CN108179742A - A kind of steel strand wires concrete-pile - Google Patents
A kind of steel strand wires concrete-pile Download PDFInfo
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- CN108179742A CN108179742A CN201810117989.2A CN201810117989A CN108179742A CN 108179742 A CN108179742 A CN 108179742A CN 201810117989 A CN201810117989 A CN 201810117989A CN 108179742 A CN108179742 A CN 108179742A
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- chuck component
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 108
- 239000010959 steel Substances 0.000 title claims abstract description 108
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910000754 Wrought iron Inorganic materials 0.000 description 4
- 230000004323 axial length Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of steel strand wires concrete-piles, steel reinforcement cage including concrete pile body, in concrete-pile body, steel reinforcement cage includes steel strand wires, stirrup, concrete pile body at least one end is equipped with end plate, several apertures from the inside to the outside gradually widened bellmouth is provided at least one piece of end plate, multi-disc intermediate plate is placed in bellmouth, the inner surface of each intermediate plate is equipped with latch, the split of multi-disc intermediate plate forms the chuck component to clip steel strand wires, the peripheral surface of chuck component forms the conical surface, chuck component is centrally formed interior perforation, and steel strand wires are locked in interior perforation；It is characterized in that：The barrier component for separating chuck component inner end and concrete is equipped in the inner end of chuck component, which can form one and give clip assemblies the further interior space moved.Because of the presence of reserved space, chuck component can also be moved inward further with respect to end plate, under the mating reaction with bellmouth, also just further clamp steel strand wires, ensure steel strand wires without departing from end plate.
Description
Technical field
Technical field more particularly to one kind the invention belongs to the pile foundation engineering of all kinds of architectural structure systems have steel
The pretensioned prestressing centrifugal concrete pile of twisted wire.
Background technology
All kinds of building structure are generally directed to pile foundation engineering, and existing prestressed-concrete pile generally uses prestressing force
Concrete is to build because of the advantages that it is prefabrication, and production efficiency is high, and construction is convenient, the period is very fast by the use of rod iron as main reinforcement
It is a large amount of, widely used and continue up using so far to build field.But during production and application, main reinforcement uses the coagulation of rod iron
Native stake is there are more problem, as rod iron brittleness is larger, tensile strength is low, the heading of the hot upsetting rod iron can lead to the strong of pier nose position
Degree is undermined material and is damaged, will appear the phenomenon that Stress non-homogeneity is even broken in stretching process, and existing main reinforcement is caused to use
The technical performances such as bending resistance, the shearing resistance of the concrete-pile of steel bar for prestressed concrete are significantly insufficient.
Because the ductility of steel strand wires is good, tensile strength it is high (its tensile strength design value be 1320MPa, tensile strength highest can
Up to 1960MPa), Chinese Enterprises and scientific research institution have also carried out numerous studies to steel strand wires applied to concrete-pile in recent years, and
Generate a kind of technical solution of the steel strand wires concrete-pile with practical value.Such as a Patent No. ZL201410034851.8
The Chinese invention patent of (notification number CN103741672B)《It is a kind of with the pre-tensioning system centrifugal concrete pile of steel strand wires and making
Method》Such a steel strand wires concrete-pile is disclosed, including hollow concrete pile body, the reinforcing bar in concrete-pile body
Cage, steel reinforcement cage include axial arranged prestressing force main reinforcement, the around the home stirrup outside main reinforcement and the end plate positioned at pile body end, in advance should
Muscle is advocated for steel strand wires, and at least one piece of end plate is connect using first clamping piece formula structure with steel strand wires, i.e., is provided on the block end plate
Gradually widened bellmouth, bellmouth are arranged in a one-to-one correspondence with steel strand wires in several apertures from the inside to the outside, are placed in each bellmouth
There is multi-disc intermediate plate, the inner surface of each intermediate plate is equipped with latch, and the split of multi-disc intermediate plate forms the chuck component to clip steel strand wires, folder
The peripheral surface of head assembly forms the conical surface to match with the bellmouth, and chuck component is centrally formed interior perforation, and each steel strand wires are equal
It is locked across the interior perforation in corresponding chuck component and by interior perforation, the outer end face of chuck component is flush to or outer less than end plate
End face；Multiple threaded connection holes to connect also are provided on end plate.
Technical solution disclosed in aforementioned patent causes steel strand wires to apply to concrete-pile and be achieved and have industrial applicability
Real value, greatly improve the bending resistance, shearing resistance and security performance of concrete pile body, so its need also exist for improving it
Place.In the tension process of production steel strand wires concrete-pile, during to the setting value of steel strand prestress tensioning to steel strand wires intensity
(being usually 70~75% or so of steel strand wires ultimate tension value), chuck component opposite end Board position is static and is locked
In the bellmouth of end plate, after by casting concrete, centrifugation, steam curing process complete manufacture, thus the finished product coagulation produced
The chuck component inner end (inner end refers to that one end of the close concrete of chuck component) of native stake with it is being solidified in concrete-pile, high
The concrete of intensity directly, closely contacts, and this contact is hard contact, thus the inner end of chuck component is by concrete
Stop and can not possibly be moved again into concrete-pile body.However problem is, in the actual application of steel strand wires concrete-pile
In, such as after two concrete-piles are mutually spliced by the end plate of pile body, when pile extension position is by great lateral force or pulling force
When, the stress of the steel strand wires of chuck component and its institute clip in concrete-pile end plate bellmouth can be caused accordingly to increase severely, work as steel
When the stress of twisted wire is more than setting value (for example the 70% of steel strand wires ultimate tension value) in tension process, chuck component is just
The trend that needs to sink in bellmouth, then be moved into concrete-pile body is formed, so as under the cooperation of bellmouth
The chucking power of bigger is provided to steel strand wires so that the huge external force that steel strand wires are unlikely to be attached pulls, still, as existing
There are the above-mentioned art solutions of technology, because the concrete of high intensity in its chuck component inner end and concrete-pile is direct, close
Hard contact, chuck component can not be given further to provide any space to concrete pile body intrinsic displacement, thus under such situation
Chuck component cannot increase the chucking power to steel strand wires with additional huge external force of contending with, therefore in the situation by huge external force
Lower chuck component cannot continue to clamp steel strand wires, part steel strand wires be caused to be detached from chuck component and end plate so that steel strand wires
The bending resistance of concrete-pile end pile extension position, shearing resistance, tensile property substantially reduce, and influence the safety of engineering.These technologies are asked
Topic is that applicant is just gradually to be found in very long and arduous research work, and eventually find the basic reason of problem.Separately
Outside, each chuck component is made of three pieces intermediate plate, and so in actual application, the clip assemblies assembling of three clamping piece structures is suitable
Inconvenience, three easily misplace so that production efficiency substantially reduces.
Invention content
The technical problems to be solved by the invention be it is insufficient for the above-mentioned prior art and provide it is a kind of can be in Practical Project
Ensure that chuck component clamps the steel strand wires concrete-pile of steel strand wires always in application environment, it is ensured that steel strand wires concrete-pile by
During huge external force, steel strand wires can also greatly improve the technologies such as the bending resistance, shearing resistance, tension of concrete-pile with the firm connection of end plate
The safety of performance and engineering.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of steel strand wires concrete-pile, including coagulation
Native pile body, the steel reinforcement cage in concrete-pile body, steel reinforcement cage include stirrup and axial arranged steel strand wires, the concrete-pile
Body at least one end is equipped with end plate, and several apertures from the inside to the outside gradually widened bellmouth, the cone are provided at least one piece of end plate
Multi-disc intermediate plate is placed in shape hole, the inner surface of each intermediate plate is equipped with latch, and intermediate plate split described in multi-disc is formed to clip
The chuck component of steel strand wires, the peripheral surface of the chuck component are the conical surface to match with the bellmouth, the middle heart of chuck component
Into interior perforation, steel strand wires are locked in interior perforation；It is characterized in that：It is equipped in the inner end of the chuck component by chuck component
The barrier component that inner end is separated with concrete, the barrier component form one and supply the chuck component further position into concrete-pile body
The space of shifting.Stirrup is typically around the home outside the steel strand wires as main reinforcement.Multi-disc quantitatively refers to more than two panels or two panels.
One of preferred embodiment as barrier component, above-mentioned barrier component are by having the material of certain elastic deformability
Manufactured gasket, the self-deformation of gasket formed it is described for chuck component further to the space of concrete pile body intrinsic displacement.It should
Gasket pre-sets and is fitted in the inner end of chuck component before the molding of steel strand wires concrete-pile, typically in the system of steel reinforcement cage
Make to be mounted on gasket in process the inner end of chuck component, so as to the gasket can will be in the inner end and pile body of chuck component it is mixed
Solidifying soil separates, and is needed after chuck component and its steel strand wires accommodated are by huge external force to concrete pile body intrinsic displacement
When, have elastic deformation ability gasket just for this movement of chuck component provide may and space.
Barrier component can also be the foams for being arranged on chuck component inner end, and the deformation of foams can form the sky
Between.It only needs to realize the effect that concrete is isolated, this scheme phase to the inner end spray foam of chuck component in production
To simplicity.
As another preferred embodiment of barrier component, above-mentioned barrier component be the lid with cavity, the cavity of lid
Direction and the inner end for covering the chuck component, have between the bottom of the cavity of the lid and the inner end of the chuck component
Spacing is so as to form the space.Spacing forms space so that chuck component can further be moved into concrete-pile body.
To solve the orientation problem of lid, in favor of manufacture, it is further improved, the bottom of above-mentioned lid is provided with for steel strand wires
The perforation being pierced by, lid are threaded through on steel strand wires.First lid is threaded through on steel strand wires in production and is covered in chuck component
End.
It is further improved, each chuck component is made of two intermediate plates；Compared with three intermediate plates, two intermediate plate groups
Dress forms chuck component and is more convenient, and defect is that its chucking power opposite can slacken compared with three intermediate plates.The periphery of the chuck component
Equipped with annular groove, it is placed in the annular groove by the cranse in multi-disc intermediate plate hoop jail.Cranse can be the classes such as wire loop or rubber ring
As elastic ring, setting cranse two panels intermediate plate can be pre-positioned to form chuck component, convenient for assembling.To strengthen two panels folder
Chucking power between piece and steel strand wires is further improved, and has the notch axially set along chuck component on every intermediate plate,
Notch through intermediate plate inner surface and peripheral surface and the stub end of intermediate plate is divided into two parts, to form a deformation space,
But notch does not extend to the small head end of intermediate plate excessively, thus the small head end of intermediate plate is not divided and still maintains an entirety, this
Sample can form deformation position everywhere by the chuck component that the nicked intermediate plate of two panels forms, two between respectively two intermediate plates
Composition surface and two incision sites, and deformation position there are three the chuck components of traditional three intermediate plates composition, therefore this structure energy
Clamping force is made to be better than the clamping piece structure of traditional three clip types instead.Between kerf width is 0.5 millimeter to 3 millimeters, notch
Axial length is more than a quarter of intermediate plate axial length.
It is connected in a manner that the chuck component coordinates with bellmouth between two pieces of end plates and steel strand wires.In this way
The both ends of steel strand wires can chuck component and bellmouth cooperation by way of with the firm connection of end plate；Can certainly only have
One piece of end plate is connect with steel strand wires in a manner that chuck component coordinates with bellmouth, and the other end of concrete pile body can not have
The steel strand wires of the other end may be used other manner connection, fix to realize production in end plate or production.
Preferably, above-mentioned latch is pawl, the center line of latch and the flank of tooth close to chuck component inner end in the latch
Between form the first angle, the second folder is formed in the center line of latch and the latch between the flank of tooth of chuck component outer end
Angle, the angle of the first angle are less than the angle of the second angle.Pawl is conducive to interior perforation direction folder of the steel strand wires with respect to chuck component
The outer extreme direction movement of head assembly, while after the completion of tensioning, can effectively prevent interior perforation court of the steel strand wires with respect to chuck component
It is moved to the interior extreme direction of clip assemblies, i.e., clip assemblies more firm can clamp steel strand wires.It is installed on steel strand wires and end plate
During intermediate plate, it is not easily to fall off to install rear jaw.The center line of latch refers to the straight line perpendicular to chuck component central axes
The angle of above-mentioned first angle is 10~30 °, and preferably 20 °, the angle of second angle is 60~80 °, excellent
It is selected as 70 °.And first the sum of the angle of angle and the second angle of angle be 90 °.
Compared with prior art, it is the advantages of this steel strand wires concrete-pile：Because the inner end of chuck component is equipped with barrier portion
Part, baffle component separate chuck component inner end with concrete, and the barrier component for chuck component further to concrete
Movement provides a displacement space in pile body, when the end pile extension position of concrete pile body is by great lateral force or pulling force
When, the inner end of chuck component can be in the space of baffle component offer further to concrete under the pulling function of steel strand wires
It is mobile inside pile body, thus chuck component can make adaptability sinking in bellmouth, under the mating reaction with bellmouth, folder
Head assembly will provide the chucking power of bigger so that the huge external force that steel strand wires are unlikely to be attached is pulled to steel strand wires.This
The steel strand wires concrete-pile of sample is in actual application environment, when the power that the steel strand wires of concrete-pile end are subject to is more than steel strand wires pole
When limiting the 70~75% of intensity (design value), it is ensured that steel strand wires without departing from end plate, greatly improve concrete-pile bending resistance,
The technical performances such as shearing resistance, tension and the safety of concrete pile body pile extension position, so as to fundamentally improve the safety of engineering.
Description of the drawings
Fig. 1 is the structure diagram of first embodiment of the invention；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is the side view of first embodiment of the invention；
Fig. 4 is the dimensional structure diagram of chuck component in two embodiments of the invention；
Fig. 5 is the front view of chuck component in two embodiments of the invention；
Fig. 6 is the sectional view of chuck component in two embodiments of the invention；
Fig. 7 is the three-dimensional exploded view of chuck component in two embodiments of the invention；
Fig. 8 is the partial schematic diagram of second embodiment of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in Fig. 1~7, one embodiment for the present invention.
A kind of steel strand wires concrete-pile is pre-tensioning system centrifugal concrete pile, including concrete pile body 1, positioned at concrete-pile
Steel reinforcement cage in body 1, concrete pile body 1 can be round stake, can also be barrette, polygonal pile, H-type stake and various first open
Method prestressed concrete shaped pile, this patent is to the pile-type of concrete-pile without limiting.
Steel reinforcement cage includes axial arranged steel strand wires 3, the around the home stirrup 4 outside steel strand wires 3 and positioned at 1 end of concrete pile body
The end plate 2 in portion, the fixation between stirrup 4 and steel strand wires 3 may be used it is manual binding, can also use automatic binding machine binding or
Other mechanical systems are fixed, and concrete pile body 1 can have nonprestressed reinforcement, anchor rib and pile protection hoop with axial arranged, be
The conventional design of concrete-pile.
Several apertures from the inside to the outside gradually widened bellmouth 21 is provided on two end plates 2, is put in each bellmouth 21
It is equipped with two panels intermediate plate 5, the inner surface of each intermediate plate 5 is equipped with latch 51, and latch 51 is pawl, center line 511 and the card of latch 51
Form the first angle α 1 between the flank of tooth of chuck component inner end in tooth 51, the center line 511 of latch 51 in the latch 51
The second angle α 2 is formed between the flank of tooth of chuck component outer end, the angle of the first angle α 1 is less than the angle of the second angle α 2
Degree.The sum of the angle of first angle α 1 and the angle of the second angle α 2 are 90 °.The angle of the first angle α 1 in the present embodiment is
20 °, the angle of the second angle α 2 is 70 °.
There is the notch 52 axially set along chuck component, notch 52 runs through the peripheral surface and Nei Biao of intermediate plate 5 on intermediate plate 5
The stub end of intermediate plate is simultaneously divided into two parts to form a deformation space, but notch 52 does not extend to intermediate plate excessively by face
Small head end, thus the small head end of intermediate plate is not divided and still maintains an entirety.The small head end of intermediate plate refers to close to chuck component
That one end of inner end, the stub end of intermediate plate is then proximate to that one end of pile body end plate outer end face, corresponding with small head end.Notch 52
Axial length for 5 axial length of intermediate plate a quarter more than, width be 0.5 millimeter to 2 millimeters between.
5 split of multi-disc intermediate plate forms the chuck component 6 to clip steel strand wires 3, and the peripheral surface of chuck component 6 is formed and institute
The conical surface 61 of the matching of bellmouth 21 is stated, the periphery of chuck component 6 is equipped with annular groove 63, is placed in annular groove 63 by multi-disc intermediate plate
The cranse 9 in 5 hoop jails.Chuck component 6 is centrally formed interior perforation 62, and each steel strand wires 3 both pass through the internal tooth in corresponding chuck component 6
Hole 62 is simultaneously locked by interior perforation 62, is provided in the inner end of chuck component 6 and is hindered the concrete in 6 inner end of chuck component and pile body
Disconnected barrier component 7, the barrier component 7 can form out one for chuck component 6 further to 1 intrinsic displacement of concrete pile body
Space P.
As described in Figure 2, the barrier component in the present embodiment is to be padded made of having the material of certain elastic deformability
Piece 7, the gasket 7 are threaded through on steel strand wires and are arranged on the inner end of chuck component, pad before the molding of steel strand wires concrete-pile in advance
The self-deformation (gasket 7 is extruded) of piece 7 can form space P, and the perforation 71 passed through for steel strand wires 3 is provided on gasket 7.For that will press from both sides
Concrete in the inner end and pile body of head assembly 6 preferably separates, and the needs of gasket 7 are bonded with the inner end of chuck component 6.
Certain barrier component can also be provided in the foams of 6 inner end of chuck component, and the deformation of foams can form institute
State space P.
Method mentioned in the preparation method and background patents of this steel strand wires concrete-pile is essentially identical, and difference exists
Every steel strand wires 3 is allowed on steel reinforcement cage to pass through after barrier component again by being located at the folder in the bellmouth 21 on end plate in step 3
Head assembly 6 connect fixation with end plate 2.
This steel strand wires concrete-pile is in actual application environment, when the power that the steel strand wires 3 of concrete-pile end are subject to is more than
Can be that chuck component 6 is further because 6 inner end of chuck component is provided with when 70~75% (design value) of 3 ultimate strength of steel strand wires
Into pile body, the mobile baffle component for providing space, chuck component 6 can also be moved further with respect to end plate 2 into concrete-pile body
It is dynamic, under the mating reaction with bellmouth 21, steel strand wires 3 are also just further clamped, ensure steel strand wires 3 without departing from end plate 2, greatly
Width improves the safety of the technical performances such as bending resistance, shearing resistance, the tension of concrete-pile and concrete-pile pile extension position.
As shown in figure 8, second embodiment for the present invention.
The difference of the present embodiment and one embodiment is：Barrier component is the lid 8 with cavity, lid 8
Cavity direction and the inner end for covering the chuck component 6, have between the bottom of the cavity of lid 8 and the inner end of chuck component 6
The presence of spacing d, spacing d so as to form space P, be chuck component 6 by huge external force act under further to coagulation
Native pile body intrinsic displacement provides space and may.The openend of lid 8 and the inner face of end plate 2 are fixed, and the rear end face of lid 8 is opened
There is the perforation 81 passed through for steel strand wires 3.
Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.That is made all within the spirits and principles of the present invention appoints
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of steel strand wires concrete-pile, including concrete pile body (1), the steel reinforcement cage in concrete pile body (1), steel reinforcement cage
Including stirrup (4) and axial arranged steel strand wires (3), the concrete pile body (1) at least one end be equipped with end plate (2), at least one
Several apertures from the inside to the outside gradually widened bellmouth (21) is provided on block end plate (2), is placed in the bellmouth (21) more
Piece intermediate plate (5), the inner surface of each intermediate plate (5) are equipped with latch (51), and intermediate plate (5) split described in multi-disc is formed to clip steel
The chuck component (6) of twisted wire (3), the peripheral surface of the chuck component (6) are the conical surface (61) to match with the bellmouth (21), folder
Head assembly (6) is centrally formed interior perforation (62), and the steel strand wires (3) are locked in interior perforation (62)；It is characterized in that：
The inner end of the chuck component (6) is equipped with the barrier component (7,8) for separating chuck component (6) inner end and concrete, the barrier
Component (7,8) forms one for chuck component (6) further to the space (P) of concrete pile body (1) intrinsic displacement.
2. steel strand wires concrete-pile according to claim 1, it is characterised in that：The barrier component is by having certain bullet
Gasket (7) made of the material of property deformability, the self-deformation of the gasket (7) can form the space (P).
3. steel strand wires concrete-pile according to claim 1, it is characterised in that：The barrier component is the lid with cavity
Sub (8), the cavity of lid (8) towards and cover the inner ends of the chuck component (6), the bottom of the cavity of the lid (8) with
There is spacing (d) so as to form the space (P) between the inner end of the chuck component (6).
4. steel strand wires concrete-pile according to claim 3, it is characterised in that：The bottom of the lid (8) is provided with for steel
The perforation (81) that twisted wire (3) is pierced by, lid are threaded through on steel strand wires (3).
5. steel strand wires concrete-pile according to claim 1, it is characterised in that：The barrier component is is arranged on collet group
The foams of part (6) inner end, the deformation of foams can form the space (P).
6. steel strand wires concrete-pile according to claim 1, it is characterised in that：Each chuck component (6) is by two
Intermediate plate (5) composition, the every intermediate plate (5) have the notch (52) axially set along chuck component (6), notch (52)
The stub end of the every intermediate plate (5) is divided into two parts..
7. steel strand wires concrete-pile according to claim 1, it is characterised in that：The latch (51) be pawl, latch
(51) the first angle (α 1) is formed between the flank of tooth of chuck component (6) inner end in center line (511) and the latch (51),
In the center line (511) of latch (51) and the latch (51) the second angle is formed between the flank of tooth of chuck component (6) outer end
(α 2), the angle of the first angle (α 1) are less than the angle of the second angle (α 2).
8. steel strand wires concrete-pile according to claim 7, it is characterised in that：The angle of first angle (α 1) is 10
~30 °, the angle of second angle (α 2) is 60~80 °.
9. steel strand wires concrete-pile according to claim 8, it is characterised in that：The angle of first angle (α 1) and the
The sum of angle of two angles (α 2) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117989.2A CN108179742A (en) | 2018-02-06 | 2018-02-06 | A kind of steel strand wires concrete-pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117989.2A CN108179742A (en) | 2018-02-06 | 2018-02-06 | A kind of steel strand wires concrete-pile |
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| Publication Number | Publication Date |
|---|---|
| CN108179742A true CN108179742A (en) | 2018-06-19 |
Family
ID=62552199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117989.2A Pending CN108179742A (en) | 2018-02-06 | 2018-02-06 | A kind of steel strand wires concrete-pile |
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| Country | Link |
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| CN (1) | CN108179742A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930267A (en) * | 2018-08-02 | 2018-12-04 | 陕西建工机械施工集团有限公司 | A kind of anchor pile structure and single pile bearing capacity device |
| CN110064720A (en) * | 2019-03-07 | 2019-07-30 | 王郁东 | A kind of conical pipe pile cage muscle volume soldering method |
| CN112726584A (en) * | 2019-10-28 | 2021-04-30 | 周兆弟 | Connecting structure for prefabricated part, prefabricated part and prefabricated pile combination |
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| CA2368512A1 (en) * | 2000-03-02 | 2001-09-07 | Anderson Technology Corporation | Prestressing strand joint structure and construction method therefor |
| CN1360671A (en) * | 1999-04-14 | 2002-07-24 | 阿伦·F·罗德里古兹 | Post-tensioning anchor seal cap |
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