CN203867601U - Tunnel arch replacing construction supporting structure - Google Patents
Tunnel arch replacing construction supporting structure Download PDFInfo
- Publication number
- CN203867601U CN203867601U CN201420303814.8U CN201420303814U CN203867601U CN 203867601 U CN203867601 U CN 203867601U CN 201420303814 U CN201420303814 U CN 201420303814U CN 203867601 U CN203867601 U CN 203867601U
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- Prior art keywords
- tunnel
- frame
- supporting structure
- steel arch
- support
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a tunnel arch replacing construction supporting structure which comprises a tunnel supporting steel arch and foundation beams. The supporting structure is characterized in that a plurality of foundation beams are vertically and downwards arranged on the lower surface of the top of the tunnel supporting steel arch, triangular supports are symmetrically arranged on the two sides of each foundation beam respectively, a connecting rod is fixedly arranged on one corner of each triangular support and is connected with a clamping groove correspondingly formed in the side face of another foundation beam in a clamping mode, one of another two corners of each triangular support is connected with the tunnel supporting steel arch in a contact mode, and the other corner is vertically downward; the supporting structure further comprises triangular ground supports and universal wheels, the triangular ground supports and the universal wheels are provided with sleeves, and a connecting rod connected with the corresponding triangular ground support or the corresponding universal wheel in a sleeved mode is arranged on the vertically-downward corner of each triangular support. The tunnel arch replacing construction supporting structure is simple in structure, convenient to mount and dismount and good in stability, and guarantees construction safety.
Description
Technical field
The utility model relates to the constructing structure in constructing tunnel process, is specifically related to tunnel and changes arch construction supporting structure.
Background technology
Along with the continuous progress of society, people's life is produced and is more and more be unable to do without road traffic, and tunnel becomes a part indispensable in road traffic.Highway tunnel construction generally adopts drilling and blasting method at present, the general New Austrian Tunneling Method that adopts of design, in digging process, make full use of the supporting capacity of country rock self, first in the time of excavation, apply preliminary bracing restriction surrouding rock deformation, and stressed together with country rock, common distortion, after again surrouding rock deformation after substantially restraining, to apply the collaborative preliminary bracing of two lining cutting stressed together.In Tunnel work progress, because geological conditions is poor, not in place at shallow embedding, bias voltage etc., or the irrational situation of construction technology, easily in tunnel excavation process or after preliminary bracing completes, occur that arch sinks to invading limit, side wall containing excessive and invade the phenomenon of limit, in order to ensure structural safety, just need to change arch operation.
Changing the safety in the whole work progress of braced structures relation in arch process, so all higher for changing braced structures stability requirement in arch process.Application number is that CN201220311085.1 discloses a kind of constructing structure that changes arch construction for tunnel, this constructing structure comprises the steel arch frame of grade beam, the former preliminary bracing of temporary supporting and tunnel, the foundation frame of temporary supporting is located on the grade beam of bottom surface, tunnel, and the top-supported of temporary supporting is lived the steel arch frame of the former preliminary bracing in tunnel; Steel arch frame top is evenly distributed with and extends to tunnel and invade the injected hole in limit section rock mass along arch, tunnel hoop, is provided with steel floral tube in injected hole.The advantage such as that this constructing structure has is simple in structure, be easy to installation and removal, safety is good, but the temporary supporting in this constructing structure be by many vertical, laterally and hound be spliced, its stability is not fine, in construction, install also cumbersome, and this temporary supporting is located on the grade beam of bottom surface, tunnel, its bottom is a plane, land and shakiness, do not reach great optimization stablizing effect, in the time that needs remove temporary support, also can only dismounting one by one manually move afterwards, relatively waste time and energy.In addition, this constructing structure can not be monitored the detection of the humidity of construction environment in real time, can not well monitor job site humidity.
Summary of the invention
The purpose of this utility model is according to the deficiencies in the prior art, and a kind of good stability is provided, and removes tunnel easily and changes arch construction supporting structure.
The technical scheme that the utility model provides: described a kind of tunnel changes arch construction supporting structure, comprise tunnel support steel arch frame and grade beam, it is characterized in that: described grade beam is provided with many, all be arranged on straight down the soffit of tunnel support steel arch top of the trellis, the upper end of every pile foundation beam is fixedly connected with tunnel support steel arch frame; Be provided with triangle support frame in every pile foundation beam bilateral symmetry, described triangle support frame wherein one jiao be fixed with connecting rod, and by connecting rod with offer the corresponding draw-in groove clamping that is located at grade beam side, other two jiaos wherein one jiao touch with tunnel support steel arch frame, other one jiao vertically downward; Described braced structures also comprises that triangular ground touches and universal wheel, triangular ground touch and universal wheel on be equipped with sleeve, be provided with in triangle support frame bight vertically downward and touch with triangular ground or the connecting rod of universal wheel socket.
The further technical scheme of the utility model: be provided with hygronom on grade beam.
The further technical scheme of the utility model: be provided with support bar between each triangle support frame and tunnel support steel arch frame, and support bar one end and the clamping of tunnel support steel arch frame inwall, the support bar clamping that the other end and triangle support frame are adjacent with tunnel support steel arch frame.
The utility model is technical scheme preferably: described triangle support frame is right-angled triangle bracing frame, and it is highly 2.5-3.0m, and the right angle electrical of described right-angled triangle bracing frame and tunnel support steel arch frame touch.
The utility model is technical scheme preferably: every pile foundation beam is cylindrical structural or cylinder-like structure, and its diameter is 30-40cm, and many pile foundations beam is linearly equidistantly arranged on the soffit of tunnel support steel arch top of the trellis.
The utility model is technical scheme preferably: described connecting rod is whorl brace rod, described triangular ground touch and universal wheel on sleeve be welded on respectively triangular ground and touch and universal wheel upper end, and in sleeve, be provided with the internal thread mutually mating with whorl brace rod.
The utility model is technical scheme preferably: described triangular ground touches and is made up of three pointed metal sheets in lower end.
The beneficial effects of the utility model:
(1) braced structures of the present utility model adopts triangle support frame, utilize leg-of-mutton strong construction, and be equipped with triangle support frame on grade beam both sides, multiple triangular structures, support more surely, guarantee construction safety, simultaneously triangle support frame and grade beam clamping, when guarantee is connected firmly, easy for removal and installation;
(2) be provided with hickey in the bottom of triangle support frame, can touch and universal wheel for connecting triangular ground, in the time that needs support, can by triangular ground touch be connected on bracing frame, can insert underground, guarantee period stability, after construction finishes, screw off and touch, utilize universal wheel easily to remove braced structures, simple and convenient;
(3) the utility model is also provided with hygronom on grade beam, can monitor in real time the humidity of construction environment, the control of constructability process.
The utility model is simple in structure, and installation, convenient disassembly still have fixed bar between each triangle support frame and steel arch frame, can strengthen the stability of braced structures, ensure further construction safety.
Brief description of the drawings
The view in transverse section of Fig. 1 when to be the utility model change arch Construction Support for tunnel;
Fig. 2 is the view in transverse section of bracing frame of the present utility model while removing;
Fig. 3 be the utility model intermediate cam shape the structural representation that touches.
Wherein: 1-grade beam, 2-steel arch frame, 3-triangle support frame, 4-connecting rod, 5-universal wheel, 6-triangular ground touches, 7-branch sleeve, 8-hygronom, 9-fixed bar, 10-connecting rod, 11-sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.As shown in Figure 1 and Figure 2, described a kind of tunnel changes arch construction supporting structure, comprise tunnel support steel arch frame 2 and grade beam 1, tunnel support steel arch frame 2 is identical with the radian of tunnel roof, its length is generally 5-10 rice, it is characterized in that: described grade beam 1 is provided with many, for cylindrical structural or cylinder-like structure, can directly adopt metal circular tube as grade beam, its diameter is 30-40cm, many pile foundations beam is linearly equidistantly arranged on the soffit at tunnel support steel arch frame 2 tops, and the upper end of every pile foundation beam 1 is fixedly connected with tunnel support steel arch frame 2; Be provided with triangle support frame 3 in every pile foundation beam 1 bilateral symmetry, described triangle support frame 3 preferably adopts right-angled triangle bracing frame, it is highly 2.5-3.0m, the right angle electrical of described right-angled triangle bracing frame 3 and tunnel support steel arch frame 2 touch, can just clamp with tunnel support steel arch frame 2, play the effect of support; Two other angle wherein one jiao be fixed with connecting rod 4, and by connecting rod 4 with establish the corresponding draw-in groove clamping that is located at grade beam 1 side, the draw-in groove that is arranged on grade beam 1 side can one be welded on the metallic channel on grade beam surface, also can be the groove of directly offering on grade beam 1, connecting rod 4 can insert clamping in draw-in groove, also for convenience detach.One jiao in two other oblique angle of right-angled triangle bracing frame 3 touches with tunnel support steel arch frame 2, just clamp with tunnel support steel arch frame 2, also have an oblique angle to contact with ground vertically downward, three of triangle support frame 3 points are supported on respectively tunnel support steel arch frame 2, grade beam 1 and ground like this, form a stable triangular supports.On grade beam 1, be provided with hygronom 8, hygronom 8 can be monitored the humidity of construction environment, the control of constructability process in real time.
As shown in Figure 1 and Figure 2, described braced structures also comprises triangular ground tactile 6 and universal wheel 5, on triangular ground tactile 6 and universal wheel 5, be equipped with sleeve 11, be provided with the connecting rod 10 being socketed with triangular ground tactile 6 or universal wheel 5 in triangle support frame 3 bight vertically downward, for triangular ground touch 6 or universal wheel 5 be socketed more fastening, connecting rod 10 external surfaces can be provided with external screw thread, the inner surface of sleeve 11 is provided with the internal thread mating with it, both,, in the time of socket, can be threaded connection; As shown in Figure 3, described triangular ground touches 6 and is made up of three pointed metal sheets in lower end, and the upper end of three metals is welded on respectively the lower surface of sleeve 11; Described universal wheel 5 adopts existing universal wheel, then welds in the top one and is with female sleeve 11.It is to use in supporting that triangular ground touches 6, and the tip of its lower end can be inserted in soil, makes it more stable, connecting triangular ground at tactile 6 o'clock, as shown in Figure 1, universal wheel 5 is taken off; Universal wheel 5 is to use in movable supporting frame, can move it conveniently, and connecting when universal wheel 5, as shown in Figure 2, the triangular ground of dismantling touches 6.
As shown in Figure 1, it is more stable for triangle support frame 3 is supported, between each triangle support frame 3 and tunnel support steel arch frame 2, be provided with support bar 9, and support bar 9 one end and the 2 inwall clampings of tunnel support steel arch frame, the support bar clamping that the other end is adjacent with tunnel support steel arch frame 2 with triangle support frame 3, the mode of clamping can be that triangle support frame 3 is a draw-in groove with the welding of support bar junction, can make support bar directly embed in draw-in groove clamping just can, it is also convenient to retract.
Using the utility model as changing arch when Construction Support, mechanism in all parts installation drawing is installed, just triangular ground being touched to 6 is connected on the whorl brace rod 10 of bracing frame 3, as shown in Figure 1, each triangle support frame 3 now just can touch 6 by triangular ground and insert in ground, makes whole braced structures more stable; After construction finishes, need to remove triangle support frame 3 time, only need to screw off triangular ground and touch 6, as shown in Figure 2, will utilize universal wheel 5 by sleeve 11 and connecting rod 10 screw thread sockets, just can easily remove braced structures, in whole process, hygronom 8 can be monitored the humidity of construction environment in real time, the control of constructability process, and fixed bar 9 has been strengthened the stability of braced structures, ensure further construction safety, clamping is easy for removal and installation, practical and convenient, is suitable for promoting the use of.
Of the present utility modelly utilize leg-of-mutton strong construction, support more surely, guarantee construction safety, be connected to when ensureing to be connected firmly simultaneously, easy for removal and installation.
More than show and described general principle and principal character and the advantage of the present utility model of utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; description in above-described embodiment and manual just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements are all within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a tunnel changes arch construction supporting structure, comprise tunnel support steel arch frame (2) and grade beam (1), it is characterized in that: described grade beam (1) is provided with many, all be arranged on straight down the soffit at tunnel support steel arch frame (2) top, the upper end of every pile foundation beam (1) is fixedly connected with tunnel support steel arch frame (2); Be provided with triangle support frame (3) in every pile foundation beam (1) bilateral symmetry, described triangle support frame (3) wherein one jiao be fixed with connecting rod (4), and by connecting rod (4) with offer the corresponding draw-in groove clamping that is located at grade beam (1) side, other two jiaos wherein one jiao touch with tunnel support steel arch frame (2), other one jiao vertically downward; Described braced structures also comprises that triangular ground touches (6) and universal wheel (5), touch on (6) and universal wheel (5) and be equipped with sleeve (11) at triangular ground, be provided with the connecting rod (10) that touches (6) or universal wheel (5) socket with triangular ground in triangle support frame (3) bight vertically downward.
2. a kind of tunnel according to claim 1 changes arch construction supporting structure, it is characterized in that: on grade beam (1), be provided with hygronom (8).
3. tunnel according to claim 1 and 2 changes arch construction supporting structure, it is characterized in that: between each triangle support frame (3) and tunnel support steel arch frame (2), be provided with support bar (9), and support bar (9) one end and tunnel support steel arch frame (2) inwall clamping, the support bar clamping that the other end and triangle support frame (3) are adjacent with tunnel support steel arch frame (2).
4. a kind of tunnel according to claim 1 and 2 changes arch construction supporting structure, it is characterized in that: described triangle support frame (3) is right-angled triangle bracing frame, it is highly 2.5-3.0m, and the right angle electrical of described right-angled triangle bracing frame (3) and tunnel support steel arch frame (2) touch.
5. tunnel according to claim 1 and 2 changes arch construction supporting structure, it is characterized in that: every pile foundation beam (1) is cylindrical structural or cylinder-like structure, its diameter is 30-40cm, and many pile foundations beam is linearly equidistantly arranged on the soffit at tunnel support steel arch frame (2) top.
6. tunnel according to claim 1 and 2 changes arch construction supporting structure, it is characterized in that: described connecting rod (10) is whorl brace rod, the sleeve (11) that described triangular ground touches on (6) and universal wheel (5) is welded on respectively triangular ground tactile (6) and universal wheel (5) upper end, and in sleeve (11), is provided with the internal thread mutually mating with whorl brace rod (10).
7. tunnel according to claim 1 and 2 changes arch construction supporting structure, it is characterized in that: described triangular ground tactile (6) is made up of three pointed metal sheets in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303814.8U CN203867601U (en) | 2014-06-10 | 2014-06-10 | Tunnel arch replacing construction supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303814.8U CN203867601U (en) | 2014-06-10 | 2014-06-10 | Tunnel arch replacing construction supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867601U true CN203867601U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303814.8U Expired - Lifetime CN203867601U (en) | 2014-06-10 | 2014-06-10 | Tunnel arch replacing construction supporting structure |
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| Country | Link |
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| CN (1) | CN203867601U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779510A (en) * | 2020-08-05 | 2020-10-16 | 湖南科技大学 | Primary support invasion limit arch changing method for high liquid limit red clay surrounding rock tunnel |
| CN113503173A (en) * | 2021-07-12 | 2021-10-15 | 内蒙古工业大学 | Mine roadway support steel arch frame and mounting method thereof |
| CN114075989A (en) * | 2020-08-17 | 2022-02-22 | 李信斌 | Support equipment |
-
2014
- 2014-06-10 CN CN201420303814.8U patent/CN203867601U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779510A (en) * | 2020-08-05 | 2020-10-16 | 湖南科技大学 | Primary support invasion limit arch changing method for high liquid limit red clay surrounding rock tunnel |
| CN114075989A (en) * | 2020-08-17 | 2022-02-22 | 李信斌 | Support equipment |
| CN114075989B (en) * | 2020-08-17 | 2024-03-26 | 李信斌 | Supporting equipment |
| CN113503173A (en) * | 2021-07-12 | 2021-10-15 | 内蒙古工业大学 | Mine roadway support steel arch frame and mounting method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
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| CX01 | Expiry of patent term |