CN111549902B - Reinforced concrete prefabricated member - Google Patents
Reinforced concrete prefabricated member Download PDFInfo
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- CN111549902B CN111549902B CN202010363916.9A CN202010363916A CN111549902B CN 111549902 B CN111549902 B CN 111549902B CN 202010363916 A CN202010363916 A CN 202010363916A CN 111549902 B CN111549902 B CN 111549902B
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 117
- 239000010959 steel Substances 0.000 claims abstract description 117
- 239000010410 layer Substances 0.000 claims abstract description 83
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 22
- 239000012792 core layer Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 229920000742 Cotton Polymers 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 230000001413 cellular effect Effects 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 description 33
- 230000003139 buffering effect Effects 0.000 description 26
- 229910001873 dinitrogen Inorganic materials 0.000 description 14
- 229910000746 Structural steel Inorganic materials 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 239000002990 reinforced plastic Substances 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/7608—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/943—Building elements specially adapted therefor elongated
- E04B1/944—Building elements specially adapted therefor elongated covered with fire-proofing material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/945—Load-supporting structures specially adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention belongs to the technical field of prefabricated part production, and particularly relates to a reinforced concrete prefabricated part which comprises an inner reinforcement frame, wherein a concrete protective layer is arranged outside the inner reinforcement frame, angle steels are arranged at four corners of the outer side of the concrete protective layer, nut holes are symmetrically formed in two sides of the four angle steels, a connecting bolt is arranged at a position, corresponding to the nut holes, on the concrete protective layer, the connecting bolt is fixedly connected with the nut holes through nuts, clamping grooves are symmetrically formed in two ends of the four angle steels, and fireproof steel plates are arranged between the adjacent angle steels; the fireproof steel plate is provided with the fireproof coating, the base plate, the fireproof core layer and the heat insulation layer, the fireproof coating can initially play a fireproof role in the using process, the fireproof core layer and the heat insulation layer can further play a fireproof role, the structural design can effectively delay the influence on the concrete protection layer when a fire disaster occurs, and the use safety is improved.
Description
Technical Field
The invention belongs to the technical field of prefabricated part production, and particularly relates to a reinforced concrete prefabricated part.
Background
In order to accelerate the construction period of the construction project and ensure the project quality and the use safety, reinforced concrete prefabricated components are widely applied and are more and more in variety, reinforced plastic reinforced concrete prefabricated components are one of the reinforced plastic reinforced concrete prefabricated components, and although the production process of the existing reinforced plastic reinforced concrete prefabricated components is mature day by day, part of the reinforced plastic reinforced concrete prefabricated components are still insufficient to be improved.
The reinforced concrete prefabricated member for reinforcing plasticity of the prior art has the following problems: the existing reinforced concrete prefabricated part with reinforced plasticity is poor in fireproof performance, the use safety is reduced, and meanwhile, the reinforced concrete prefabricated part is heavy in weight, inconvenient to transport and install and poor in fireproof capacity.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a reinforced concrete prefabricated part.
The technical scheme adopted by the invention for solving the technical problems is as follows: a reinforced concrete prefabricated part comprises an inner steel bar frame, wherein a concrete protective layer is arranged outside the inner steel bar frame, angle steels are arranged at four corners of the outer side of the concrete protective layer, nut holes are symmetrically formed in two sides of the four angle steels, a connecting bolt is arranged at a position, corresponding to the nut holes, on the concrete protective layer, the connecting bolt is fixedly connected with the nut holes through nuts, clamping grooves are symmetrically formed in two ends of the four angle steels, fireproof steel plates are arranged between the adjacent angle steels, clamping pieces are arranged at positions, corresponding to the clamping grooves, of two ends of each fireproof steel plate, and grouting holes are formed in one side, close to the fireproof steel plates, of each angle steel; the clamping groove and the grouting hole are arranged in a penetrating and communicating structure; one end of the connecting bolt, which is close to the concrete protective layer, is provided with a short rib, and the short rib is connected to the main steel bar of the inner steel bar frame in a welding mode; the angle steel is fixedly connected with the clamping piece in a grouting mode; during operation, put the angle steel in the one corner of concrete protection layer (concrete protection layer, connecting bolt and interior reinforcing bar frame have been produced and have been accomplished earlier), connecting bolt on the concrete protection layer and the nut hole on the angle steel just are in connected state at the corresponding position this moment, then utilize nut fixed connection bolt, realize being connected of concrete protection layer and angle steel, other triangle angle steel are connected according to same mode after the angle steel is connected, all put fire prevention steel sheet in adjacent angle steel department after connecting, its card is put and is in the draw-in groove of angle steel when fire prevention steel sheet is put, put and then in proper order to the downthehole slip casting of nut hole and grout, realize the reinforcement of nut and the connection of fire prevention steel sheet, accomplish overall production promptly and wait to use, this kind of connection structure can guarantee the connection stability of fire prevention steel sheet, can increase the support sectional area again, improve the bearing capacity.
Preferably, the fireproof steel plate comprises a fireproof coating, a substrate, a fireproof core layer, a heat insulation layer and a buffer layer, wherein the fireproof coating is arranged on one side of the substrate, the fireproof core layer is arranged on the other side of the substrate, and the buffer layer is arranged between the substrate and the fireproof core layer; a heat insulation layer is arranged on one side of the fireproof core layer, which is far away from the substrate; the during operation, the fire prevention effect can tentatively be played to the fire protection coating of fire prevention steel sheet in the use, and fire prevention effect can further be played to fire prevention sandwich layer and insulating layer, can effectively delay the influence that the conflagration caused when taking place to the concrete protection layer, improves the safety in utilization.
Preferably, the buffer layer comprises a plurality of first arc-shaped plates and a plurality of second arc-shaped plates which are alternately arranged; arc-shaped rods are fixedly connected to two ends of the first arc-shaped plate; a sliding groove is formed in the second arc-shaped plate; the arc-shaped rod is inserted into the sliding chute; the second arc-shaped plate is made of elastic metal materials, and the arc-shaped rod is designed to be tightly attached to the inner wall of the sliding chute; the during operation, when the fire prevention steel sheet bears external force striking, strength passes through the base plate and transmits to the buffer layer on, make the arc pole on the first arc slide to the spout, because the arc pole is hugged closely with the spout, the arc pole slides in-process makes the spout internal gas pressure rise, thereby through the rising of atmospheric pressure, for first arc and second arc provide the buffering, thereby effectively improve the buffer capacity of fire prevention steel sheet through the buffer layer, simultaneously because second arc elastic metal material makes, when the fire prevention steel sheet receives external force striking, the second arc is crooked, high pressure in the cooperation spout, further improve the buffering effect of buffer layer, thereby further improve the buffer capacity of fire prevention steel sheet.
Preferably, the outer surface of the buffer layer is wrapped with a rubber layer; nitrogen is filled between the rubber layer and the buffer layer; the during operation, through the nitrogen gas of rubber layer and packing, can further improve the buffer capacity of buffer layer, can reduce the power of conduction to the buffer layer simultaneously, thereby effectively improve the life of buffer layer, and through the packing of nitrogen gas, can effectively reduce the whole quality of fire prevention steel sheet, in the time of convenient transportation, easy to assemble, and when the fire prevention steel sheet collapses, can reduce the injury of fire prevention steel sheet to personnel, simultaneously in base plate atress and the damaged back of fever, nitrogen gas is discharged, because nitrogen gas is inert gas, can effectively restrain stretching of intensity of a fire.
Preferably, a cavity is formed in the rubber layer; cellular buffer cotton is filled in the cavity; the during operation effectively improves the intensity on rubber layer through cellular buffering cotton to further reduce the atress of buffer layer, improve buffer layer life, through the cotton setting of cavity and cellular buffering simultaneously, can further improve the buffer capacity of fire prevention steel sheet.
Preferably, the honeycomb-shaped buffer cotton is made of a water absorption material, each honeycomb hole of the honeycomb-shaped buffer cotton is not communicated with each other, a film is adhered to the inner wall of each honeycomb hole, nitrogen and dry powder are filled in each honeycomb hole, and the honeycomb holes are in a high-pressure state; during operation, after the base plate atress and the fire damage, make the rubber layer damaged, nitrogen gas and dry powder blowout in the honeycomb hole, further restrain stretching of intensity of a fire, simultaneously make through the cotton absorbent material of honeycomb buffering, can effectively absorb surrounding moisture, improve the fire-proof ability of fire prevention steel sheet, can further restrain stretching of intensity of a fire simultaneously, it has nitrogen gas and dry powder to all fill simultaneously through in every honeycomb hole, when restraining the intensity of a fire, for the cotton provides the time of absorbing water of honeycomb buffering, thereby make honeycomb buffering cotton and nitrogen gas and dry powder restrain the intensity of a fire in turn, thereby effectively improve the ability of restraining the intensity of a fire from stretching, improve the success rate of putting out a fire.
The invention has the following beneficial effects:
1. according to the reinforced concrete prefabricated part, the fireproof steel plate is composed of the fireproof coating, the base plate, the fireproof core layer and the heat insulation layer, the fireproof coating can initially play a fireproof role in the using process, and the fireproof core layer and the heat insulation layer can further play a fireproof role.
2. According to the reinforced concrete prefabricated part, the fireproof steel plates are connected with the angle steel in a grouting mode through the clamping grooves and the clamping pieces, the angle steel is connected with the concrete protective layer in a grouting mode through the connecting bolts and the nuts, and the connecting structure can guarantee the connecting stability of the fireproof steel plates, increase the supporting sectional area and improve the bearing capacity.
3. According to the reinforced concrete prefabricated part, the buffering capacity of the fireproof steel plate is effectively improved through the buffering layer, and meanwhile, due to the fact that the second arc-shaped plate is made of the elastic metal material, when the fireproof steel plate is impacted by external force, the second arc-shaped plate is bent and matched with high pressure in the sliding groove, the buffering effect of the buffering layer is further improved, and therefore the buffering capacity of the fireproof steel plate is further improved.
4. According to the reinforced concrete prefabricated part, the buffering capacity of the buffer layer can be further improved through the rubber layer and the filled nitrogen, meanwhile, the force conducted to the buffer layer can be reduced, the service life of the buffer layer is effectively prolonged, the overall quality of the fireproof steel plate can be effectively reduced through the filling of the nitrogen, the installation is convenient while the transportation is convenient, the damage of the fireproof steel plate to personnel can be reduced when the fireproof steel plate collapses, meanwhile, the nitrogen is discharged after the base plate is stressed and damaged during burning, and the spread of fire can be effectively inhibited because the nitrogen is inert gas.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the connection relationship between the concrete protective layer and the angle steel;
FIG. 3 is a schematic structural view of the connection relationship between the fireproof steel plate and the angle steel;
FIG. 4 is a schematic structural view of a fire-resistant steel plate;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
in the figure: concrete protective layer 1, fire prevention steel sheet 2, fire protection coating 21, base plate 22, fire prevention sandwich layer 23, insulating layer 24, nut 3, buffer layer 31, first arc 32, second arc 33, arc 34, spout 35, rubber layer 36, cavity 37, bolt 4, nut hole 5, angle steel 6, interior reinforcing bar frame 7, draw-in groove 8, card is put 9, grout hole 10.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 and 5, the reinforced concrete prefabricated member comprises an inner steel bar frame 7, a concrete protective layer 1 is arranged outside the inner steel bar frame 7, angle steels 6 are arranged at four corners outside the concrete protective layer 1, nut holes 5 are symmetrically arranged at two sides of the four angle steels 6, a connecting bolt 4 is arranged at a position, corresponding to the nut hole 5, on the concrete protective layer 1, the connecting bolt 4 is fixedly connected with the nut hole 5 through a nut 3, clamping grooves 8 are symmetrically arranged at two ends of the four angle steels 6, fireproof steel plates 2 are arranged between the adjacent angle steels 6, clamping pieces 9 are arranged at positions, corresponding to the clamping grooves 8, of two ends of each fireproof steel plate 2, and grouting holes 10 are arranged at one side, close to the fireproof steel plates 2, of each angle steel 6; the clamping groove 8 and the grouting hole 10 are arranged in a penetrating and communicating structure; one end of the connecting bolt 4 close to the concrete protective layer 1 is provided with a short rib, and the short rib is connected to the main steel bar of the inner steel bar frame 7 in a welding mode; the angle steel 6 is fixedly connected with the clamping piece 9 in a grouting manner; when the angle steel connecting structure works, the angle steel 6 is placed at one corner of the concrete protective layer 1 (the concrete protective layer 1, the connecting bolt 4 and the inner steel bar frame 7 are produced), the connecting bolt 4 on the concrete protective layer 1 and the nut hole 5 on the angle steel 6 are in corresponding positions and in a connecting state at the same time, then the connecting bolt 4 is fixed by the nut 3 to realize the connection of the concrete protective layer 1 and the angle steel 6, the other triangular angle steel 6 is connected after the angle steel 6 is connected in the same way, the fireproof steel plates 2 are placed at the adjacent angle steel 6 after the connection, the clamping piece 9 of the fireproof steel plate 2 is positioned in the clamping groove 8 of the angle steel 6 when the fireproof steel plate 2 is placed, grouting is carried out in the nut hole 5 and the grouting hole 10 in sequence after the placement, the reinforcement of the nut 3 and the connection of the fireproof steel plates 2 are realized, namely the integral production is completed for use, and the connecting structure can ensure the connection stability of the fireproof steel plates 2, but also can increase the supporting sectional area and improve the bearing capacity.
As an embodiment of the present invention, the fireproof steel plate 2 includes a fireproof coating 21, a substrate 22, a fireproof core layer 23, a heat insulation layer 24, and a buffer layer 31, wherein the fireproof coating 21 is disposed on one side of the substrate 22, the fireproof core layer 23 is disposed on the other side of the substrate 22, and the buffer layer 31 is disposed between the substrate 22 and the fireproof core layer 23; a heat insulation layer 24 is arranged on one side of the fireproof core layer 23, which is far away from the substrate 22; the during operation, fire prevention effect can tentatively be played to fire prevention coating 21 of fire prevention steel sheet 2 in the use, and fire prevention sandwich layer 23 and insulating layer 24 can further play fire prevention effect, can effectively delay the influence that the conflagration caused when taking place to concrete protection layer 1, improve the safety in utilization.
As an embodiment of the present invention, the buffer layer 31 includes a plurality of first arc plates 32 and a plurality of second arc plates 33 alternately arranged; the two ends of the first arc-shaped plate 32 are fixedly connected with arc-shaped rods 34; a sliding groove 35 is formed in the second arc-shaped plate 33; the arc-shaped rod 34 is inserted into the sliding groove 35; the second arc-shaped plate 33 is made of elastic metal materials, and the arc-shaped rod 34 is designed to be tightly attached to the inner wall of the sliding groove 35; the during operation, when fire prevention steel sheet 2 bears external force striking, strength passes through base plate 22 and transmits to buffer layer 31 on, make arc pole 34 on the first arc 32 slide to spout 35, because arc pole 34 hugs closely with spout 35, arc pole 34 slides in-process and makes the interior atmospheric pressure of spout 35 rise, thereby through the rising of atmospheric pressure, for first arc 32 and second arc 33 provide the buffering, thereby effectively improve fire prevention steel sheet 2's buffer capacity through buffer layer 31, simultaneously because second arc 33 elastic metal material makes, when fire prevention steel sheet 2 receives external force striking, second arc 33 is crooked, high pressure in the cooperation spout 35, further improve buffer layer 31's buffering effect, thereby further improve fire prevention steel sheet 2's buffer capacity.
As an embodiment of the present invention, the outer surface of the buffer layer 31 is wrapped with a rubber layer 36; nitrogen is filled between the rubber layer 36 and the buffer layer 31; the during operation, through the nitrogen gas of rubber layer 36 and packing, can further improve buffer layer 31's buffer capacity, can reduce the power of conduction to on the buffer layer 31 simultaneously, thereby effectively improve buffer layer 31's life, and through the packing of nitrogen gas, can effectively reduce the whole quality of fire prevention steel sheet 2, in the time of convenient transportation, easy to assemble, and when fire prevention steel sheet 2 collapses, can reduce the injury of fire prevention steel sheet 2 to personnel, simultaneously at base plate 22 atress and the damaged back of burning by a fire, nitrogen gas is discharged, because nitrogen gas is inert gas, can effectively restrain stretching of intensity of a fire.
As an embodiment of the present invention, a cavity 37 is formed in the rubber layer 36; the cavity 37 is filled with honeycomb-shaped buffer cotton; the during operation effectively improves the intensity on rubber layer 36 through cellular buffering cotton to further reduce buffer layer 31's atress, improve buffer layer 31 life, simultaneously through the cotton setting of cavity 37 and cellular buffering, can further improve the buffer capacity of fire prevention steel sheet 2.
As one embodiment of the invention, the cellular buffering cotton is made of water-absorbing material, each cellular hole of the cellular buffering cotton is not communicated with each other, a film is adhered to the inner wall of each cellular hole, nitrogen and dry powder are filled in each cellular hole, and the cellular holes are in a high-pressure state; during operation, after base plate 22 atress and fire damage, make rubber layer 36 damaged, downthehole nitrogen gas of honeycomb and dry powder blowout, further restrain stretching of intensity of a fire, simultaneously make through the cotton absorbent material of honeycomb buffering, can effectively absorb moisture around, improve fireproof steel plate 2's fire prevention ability, can further restrain stretching of intensity of a fire simultaneously, all fill nitrogen gas and dry powder through every honeycomb is downthehole simultaneously, when restraining the intensity of a fire, for the cotton provides the time of absorbing water of honeycomb buffering, thereby make honeycomb buffering cotton and nitrogen gas and dry powder restrain the intensity of a fire in turn, thereby effectively improve the ability that restrains the intensity of a fire and stretch, improve the success rate of putting out a fire.
When the angle iron casting device works, firstly, the angle iron 6 is placed at one corner of the concrete protection layer 1 (the concrete protection layer 1, the connecting bolt 4 and the inner steel bar frame 7 are produced), at the moment, the connecting bolt 4 on the concrete protection layer 1 and the nut hole 5 on the angle iron 6 are in corresponding positions and in a connecting state, then, the connecting bolt 4 is fixed by the nut 3, the connection of the concrete protection layer 1 and the angle iron 6 is realized, other triangular angle irons 6 are connected according to the same mode after the angle iron 6 is connected, the fireproof steel plates 2 are placed at the adjacent angle irons 6 after the connection, the clamping pieces 9 of the fireproof steel plates 2 are positioned in the clamping grooves 8 of the angle iron 6 when the fireproof steel plates 2 are placed, grouting is sequentially carried out in the nut holes 5 and the grouting holes 10 after the placement, the reinforcement of the nut 3 and the connection of the fireproof steel plates 2 are realized, namely, the integral production is completed to be used, when the fireproof steel plates 2 bear external impact, the force is transmitted to the buffer layer 31 through the base plate 22, the arc-shaped rods 34 on the first arc-shaped plate 32 slide towards the sliding grooves 35, the arc-shaped rods 34 are tightly attached to the sliding grooves 35, air pressure in the sliding grooves 35 rises in the sliding process of the arc-shaped rods 34, so that buffering is provided for the first arc-shaped plate 32 and the second arc-shaped plate 33 through rising of the air pressure, meanwhile, due to the fact that the second arc-shaped plate 33 is made of elastic metal materials, when the fireproof steel plate 2 is impacted by external force, the second arc-shaped plate 33 bends, after the base plate 22 is damaged during stress and burning, nitrogen is discharged, after the base plate 22 is damaged during stress and burning, the rubber layer 36 is damaged, nitrogen and dry powder in honeycomb holes are sprayed out, spreading of fire is further inhibited, meanwhile, the honeycomb-shaped buffering cotton-made of water absorbing materials can effectively absorb surrounding moisture, fireproof capacity of the fireproof steel plate 2 is improved, spreading of the fire can be further inhibited, and meanwhile, nitrogen and dry powder are filled in each honeycomb hole, when the fire is suppressed, water absorption time is provided for the honeycomb-shaped buffering cotton, so that the honeycomb-shaped buffering cotton, nitrogen and dry powder alternately suppress the fire, the capability of suppressing the fire from spreading is effectively improved, and the fire extinguishing success rate is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A reinforced concrete prefabricated member, includes interior reinforcing bar frame (7), its characterized in that: the concrete protective layer (1) is arranged outside the inner steel bar frame (7), angle steel (6) are arranged at four corners of the outer side of the concrete protective layer (1), nut holes (5) are symmetrically arranged at two sides of the four angle steel (6), connecting bolts (4) are arranged at positions, corresponding to the nut holes (5), on the concrete protective layer (1), the connecting bolts (4) are fixedly connected with the nut holes (5) through nuts (3), clamping grooves (8) are symmetrically arranged at two ends of the four angle steel (6), fireproof steel plates (2) are arranged between adjacent angle steel (6), clamping pieces (9) are arranged at positions, corresponding to the clamping grooves (8), at two ends of each fireproof steel plate (2), the fireproof steel plates (2) comprise fireproof coatings (21), base plates (22), fireproof core layers (23), heat insulation layers (24) and buffer layers (31), the fireproof coating is arranged on one side of the substrate (22), the fireproof core layer (23) is arranged on the other side of the substrate (22), and the buffer layer (31) is arranged between the substrate (22) and the fireproof core layer (23); a heat insulation layer (24) is arranged on one side, away from the substrate (22), of the fireproof core layer (23); the buffer layer (31) comprises a plurality of first arc-shaped plates (32) and a plurality of second arc-shaped plates (33) which are alternately arranged; the two ends of the first arc-shaped plate (32) are fixedly connected with arc-shaped rods (34); a sliding groove (35) is formed in the second arc-shaped plate (33); the arc-shaped rod (34) is inserted into the sliding groove (35); the second arc-shaped plate (33) is made of elastic metal materials, and the arc-shaped rod (34) is tightly attached to the inner wall of the sliding groove (35);
grouting holes (10) are formed in one side, close to the fireproof steel plate (2), of each angle steel (6); the clamping groove (8) and the grouting hole (10) are arranged in a penetrating and communicating type structure; one end of the connecting bolt (4) close to the concrete protective layer (1) is provided with a short rib, and the short rib is connected to the main steel bar of the inner steel bar frame (7) in a welding mode; the angle steel (6) is fixedly connected with the clamping piece (9) in a grouting manner;
the outer surface of the buffer layer (31) is wrapped with a rubber layer (36); nitrogen is filled between the rubber layer (36) and the buffer layer (31);
a cavity (37) is formed in the rubber layer (36); cellular buffer cotton is filled in the cavity (37);
the honeycomb-shaped buffer cotton is made of a water absorption material, each honeycomb hole of the honeycomb-shaped buffer cotton is not communicated with each other, a film is adhered to the inner wall of each honeycomb hole, nitrogen and dry powder are filled in each honeycomb hole, and the honeycomb holes are in a high-pressure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363916.9A CN111549902B (en) | 2020-04-30 | 2020-04-30 | Reinforced concrete prefabricated member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363916.9A CN111549902B (en) | 2020-04-30 | 2020-04-30 | Reinforced concrete prefabricated member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111549902A CN111549902A (en) | 2020-08-18 |
| CN111549902B true CN111549902B (en) | 2021-12-14 |
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Family Applications (1)
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| CN202010363916.9A Active CN111549902B (en) | 2020-04-30 | 2020-04-30 | Reinforced concrete prefabricated member |
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