CN109898508A - From wedging type pipe pile connector - Google Patents
From wedging type pipe pile connector Download PDFInfo
- Publication number
- CN109898508A CN109898508A CN201910279487.4A CN201910279487A CN109898508A CN 109898508 A CN109898508 A CN 109898508A CN 201910279487 A CN201910279487 A CN 201910279487A CN 109898508 A CN109898508 A CN 109898508A
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- Prior art keywords
- anchor ear
- pipe pile
- type pipe
- pile connector
- wedging
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 210000005069 ears Anatomy 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 210000004262 dental pulp cavity Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to one kind from wedging type pipe pile connector comprising: the outer surface of at least two anchor ear sections, the anchor ear section is configured to wedge surface；From wedge ring, wherein described be configured to when vertically there is the movement relative to the wedge surface of the anchor ear section from the inner surface of wedge ring by mutual wedging.The pipe pile connector is not only simple in structure, and via the type connector carry out tubular pole connection it is time saving and energy saving, and connect after tubular pole resistance to plucking and shear resistance it is strong.
Description
Technical field
The present invention relates to concrete pipe pile construction technical fields, and in particular to one kind be capable of Fast Installation from wedging type pipe
Stake connector.
Background technique
Concrete tubular pile is widely used in due to the features such as bearing capacity is high, geological conditions is adaptable, speed of application is fast
In architectural engineering.Tension reinforcing steel bar skeleton when the effect of the pile end board at concrete tubular pile both ends is specifically included that for making tubular pole,
It is allowed to generate prestressing force；Piling machine hammering is born when piling；Etc. important function.Usually by two concrete in existing construction technology
Tubular pole is welded together two root canal piles, this mode weld interval is long, and welding quality is mainly according to resistance to by welding pile end board
In the welding technique of worker, when connector enters underground, the quality of connector is unable to get guarantee, and tubular pole bears transverse shear stresses
Scarce capacity, easily generation joint breaking, the phenomenon that upper and lower two root canal pile shifts so that tubular pole loses its effect, weldering
The tubular pole that the mode of connecing connects, tubular pole quality and service life cannot all ensure.Also occur using connector in the prior art
The construction technology for realizing tubular pole connection, can actually improve the connection speed of tubular pole to a certain extent, but its bonding strength
Be not achieved guarantee, especially anti-cross shear it is indifferent.
Therefore, a kind of bonding strength of demand is high in industry, connects short time limit and low-cost tube pile connection device.
Summary of the invention
The present invention is intended to provide a kind of can at least be partially solved the various insufficient from wedging type pipe of the above-mentioned prior art
Stake connector.
According to an aspect of the invention, there is provided one kind is used to connect stacked two from wedging type pipe pile connector
The end of root concrete tubular pile, the concrete tubular pile is provided with annular endplate, wherein the annular endplate is provided with along ring
The protrusion of all evaginations, wherein the pipe pile connector includes: at least two anchor ear sections, week of the anchor ear section along annular endplate
To the outside for being arranged in the protrusion, wherein the inside setting of the anchor ear section is fluted, the wherein cross sectional shape of the groove
The cross sectional shape for two protrusions for being configured to and being stacked matches, and the outer surface of the anchor ear section is configured to wedge
Face；From wedge ring, it is described from wedge ring along the outside for being arranged circumferentially in the anchor ear section of the anchor ear section, wherein described from wedge ring
By mutual wedging when inner surface is configured to vertically there is relative motion with the wedge surface of the anchor ear section.
The present inventor has found according to its long-term site operation experience by means of indispensable in tubular pole operation
Hammering downwards come be automatically realized tubular pole connection be it is feasible, thus design in the present invention from wedging type pipe pile connector.
Inventor creatively has found may be implemented to connect via the vertical relative motion between tubular pole and pipe pile connector to be connected
Connect connecting from wedging to realize tubular pole in such a way that whole process is not necessarily to manually participate in for device.With existing welding or by example
The mode of such as bolt connector is compared, it is of the invention from wedging type pipe pile connector no matter in required operation construction period and operation
In cost, still the bending strength and pulling test strength of tubular pole upon connection have apparent improvement.And it is of the invention from
The features such as component of wedging type pipe pile connector is few, assembly is simple, versatile is highly suitable for the tubular pole of such as railway territory
Outdoor study.
Preferably, wherein at least two anchor ears section has essentially identical size.This permission can be in a batch
It produces anchor ear section and allows in general mode using the anchor ear section, this brings great convenience for outdoor study
Property.
Preferably, wherein Duan Weisan anchor ear section of at least two anchor ear, wherein each anchor ear section is relative to the ring
The periphery of shape end plate is in 120 degree of central angle.This is convenient for instructing worker to assemble the anchor ear section in a prescribed manner, to reduce
A possibility that worker's maloperation.
Preferably, the wedging angle of the inner surface from wedge ring is relative to vertically at 5-10 degree.This facilitates ensuring that tubular pole
Between enough wedge actions to ensure the bonding strength of connector, this wedge action is not substantially by worker's assembly method and outside
The influence of environment is highly suitable for outdoor study environment.
Preferably, the depth of the groove is equal with the degree of protruding out of the protrusion of the annular endplate.This facilitates ensuring that pipe
Enough wedge actions are between stake to ensure that the bonding strength of connector, this fit system facilitate worker to confirm that anchor ear section has filled
With in place, being highly suitable for outdoor study environment.
Preferably, the concrete tubular pile further includes the pipe sleeve for being connected to the annular endplate, wherein in annular endplate and
Solidification has concrete tube body in space between pipe sleeve, and the multiple channels passed through for reinforcing bar are offered in the concrete tube body.
This facilitates ensuring that enough wedge actions between tubular pole to ensure the bonding strength of connector.
Preferably, the outer diameter of the protrusion is greater than the outer diameter of the pipe sleeve.This facilitates ensuring that enough wedgings between tubular pole
Effect can prevent between stacked tubular pole that there are undesirable inclination or inclination angles to ensure the bonding strength of connector.
Preferably, the multiple channel circumferentially uniform arranged for interval in the concrete tube body.This is facilitated ensuring that
Enough wedge actions are between tubular pole to ensure the bonding strength of connector.
Preferably, the thickness of the anchor ear section is designed to when by wedging against the extremely pipe sleeve.This this help to increase
Contact surface between big anchor ear section and tubular pole ontology to be connected, and can be with to further increase the bonding strength between tubular pole
Prevent between stacked tubular pole that there are undesirable inclination or inclination angles.
Preferably, the extended height vertically of the anchor ear section is at least 3 times of the thickness of annular endplate.This equally has
Help increase the contact surface between anchor ear section and tubular pole ontology to be connected to further increase the bonding strength between tubular pole, and
And it can prevent between stacked tubular pole that there are undesirable inclination or inclination angles.
It is obvious after reading the application that a part of other features and advantages of the present invention will be those skilled in the art
, another part will be described in conjunction with the accompanying in specific embodiment below.
Detailed description of the invention
Hereinafter, carrying out the embodiment that the present invention will be described in detail in conjunction with attached drawing, in which:
Fig. 1 is the schematic cross-section of pipe pile connector according to the present invention.
Description of symbols
11,12. tubular pole 11A, 12A. annular endplate 11B, 12B. pipe sleeve
11C, 12C. protrusion 11D, 12D.The channel concrete tube body 11E, 12E.
2. 21. groove of anchor ear section, 22. wedge surface 3. is from 31. inner surface of wedge ring
Specific embodiment
Description, the exemplary scheme for disclosed device and method that the present invention will be described in detail.Although providing attached drawing
It is in order to which some embodiments of the present invention are presented, but attached drawing need not be drawn by the size of specific embodiment, and certain spies
Sign can be amplified, remove or office is cutd open to be better shown and explain the disclosure.Partial component in attached drawing can be
Position adjustment is not carried out according to actual needs under the premise of influence technique effect.The phrase " in the accompanying drawings " occurred in the description
Or similar term need not refer to all attached drawings or example.
It should be noted that it can be directly on another component when component is referred to as " fixation " to another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " setting " in another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.It hereinafter be used to describe attached drawing
Certain directional terminologies, such as "inner", "outside", " top ", " lower section " and other directional terminologies, it will accordingly be understood that for it just
It Chang Hanyi and criticizes and often sees those related directions when attached drawing.Except as otherwise indicating, directional terminology base described in this specification
This is according to conventional direction understood by one of ordinary skill in the art.
Term used in the present invention " vertical " refers to generally there is vertical relationship in solid space, it is above-mentioned it is vertical simultaneously
It is not intended to limit to be stringent vertical, but allows that there are certain inclinations.Term " first " used in the present invention, " the
Two " and its similar terms, be not offered as any sequence, quantity or importance in the present invention, but for by a component with
Other components distinguish.Term " from wedging ", which refers to, can be automatically realized wedging without external auxiliary device or operation.
With reference to the accompanying drawing, it elaborates to embodiments of the present invention.
As shown in Figure 1, the first tubular pole 11 and the second tubular pole 12 made of stacked concrete are shown, wherein the second tubular pole
12 have for example been partially inserted into underground.First tubular pole 11 and the second tubular pole 12 are provided with first annular end plate in its end respectively
11A and the second annular endplate 12A, wherein realizing the first tubular pole 11 via first annular end plate 11A and the second annular endplate 12A
With the abutting of the second tubular pole 12 vertically and preliminary alignment.As shown, first annular end plate 11A and the second annular endplate
12A is provided with protrusion 11C and 12C along ring week evagination, wherein it is preferred that these protrusions 11C and 12C is having the same protrudes out
Length will not make the first tubular pole 11 that can incite somebody to action to ensure in superposed first tubular pole 11 in the downward hammering for being subjected to piling machine
Protrusion 12C topples over as bearing surface.
Preferably, it is connected at the periphery of first annular end plate 11A and the second annular endplate 12A vertically extending respectively
The first pipe sleeve 11B and the second pipe sleeve 12B, wherein the first pipe sleeve 11B and the second pipe sleeve 12B for example can be iron sheet, thus
The space for concrete mud injection is formed in space between annular endplate 11A and 12A and pipe sleeve 11B and 12B,
The first concrete tube body 11D and the second concrete tube body 12D are respectively formed after the slurry curing.As shown, pipe sleeve 11B and
The outer diameter of 12B is preferably designed to the outer diameter of the protrusion 11C and 12C less than evagination.Optionally, in order to enhance the first tubular pole
11 and the second bonding strength between tubular pole 12, it is respectively formed in the first concrete tube body 11D and the second concrete tube body 12D
There are the multiple channel 11E and 12E passed through for reinforcing bar, wherein these channels are preferably circumferentially uniform in the concrete tube body
Arranged for interval.Correspondingly, it offers on first annular end plate 11A and the second annular endplate 12A and aligns with these channels
Eyelet to allow reinforcing bar to pass through.
Further, as shown in Figure 1, can via it is according to the present invention connected from wedging type pipe pile connector illustrate it is folded
Two concrete tubular piles 11 and 12 set.It should include wherein at least two anchor ear sections 2 from wedging type pipe pile connector, as one kind
Preferred embodiment, these anchor ear sections 2 have essentially identical size, it is possible thereby to realize the standardized production of anchor ear section.This
A little anchor ear sections for example can be to be formed by iron casting comprising the periphery of entire annular endplate 11A and 12A is surrounded, certainly,
It is conceivable that most of position of entire periphery is only surrounded, as long as guaranteeing to realize stable connection.It is feasible
It is that setting is there are three anchor ear section, wherein each anchor ear section is in 120 degree of central angle relative to the periphery of the annular endplate, from
And surround the periphery of entire annular endplate 11A and 12A.
As shown in Figure 1, these anchor ear sections 2 are arranged in the outer of protrusion 11C and 12C along the periphery of annular endplate 11A and 12A
Side, wherein the inside of these anchor ear sections 2 is provided with groove 21, as shown in Figure 1, wherein the cross sectional shape of the groove 21 is constructed
To match with the cross sectional shape of stacked two protrusions 11C and 12C so that it is guaranteed that forming shape when being compacted between the two
Cooperation.As shown in Figure 1, stacked protrusion 11C and 12C be collectively formed it is generally trapezoidal for what is protruded outwardly, correspondingly, the groove
21 cross section is formed as complementary to it trapezoidal, to by two stacked protrusion 11C and 12C clampings and be maintained at stacked
State, even if so that two annular endplate 11A and 12A will not still occur when by the shearing force on directions such as laterally it is apparent
Relative shift or dislocation, which ensure that stacked tubular pole has enough bonding strengths.
Meanwhile the outer surface of anchor ear section 2 is configured to wedge surface 31, which for example may be constructed such that relative to vertical
Direction expands outwardly 5-10 degree, is provided with around the periphery of these anchor ear sections 2 in the outside of anchor ear section 2 from wedge ring 3, wherein should
It may be constructed such that the inclined-plane as shown in Figure 1 connecting with the formation wedge surface of wedge surface 22 from the inner surface of wedge ring 3, to work as these
It can be with the mutual wedging of the medial slope from wedge ring 3, this wedge when the wedge surface 22 of anchor ear section 2 vertically has relative motion
The wedging angle being tightly connected for example is can be at this time relative to vertically at 5-10 degree.It is this it is vertical on relative motion for example can be
Since anchor ear section 2 can be moved down with the tubular pole hammered downwards, and then made from wedge ring 3 by being hampered by soil or ground
At.Certainly, other realization anchor ear sections 2 and be also that can think from the mode that wedge ring 3 deposits relative motion vertically between the two
It arrives, however it is not limited to the embodiment provided in this as example.
It is further preferred that as shown in Figure 1, wherein the outer diameter of protrusion 11C is greater than pipe sleeve 11B, such design pair
Bonding strength between increasing tubular pole is beneficial, and can prevent between stacked tubular pole there are undesirable inclination or incline
Angle.Likewise it is preferred that can by the thickness design of anchor ear section 2 be can be against to the pipe sleeve 11B when by wedging, this helps to increase
Contact surface between big anchor ear section 2 and tubular pole ontology to be connected, and can to further increase the bonding strength between tubular pole
To prevent between stacked tubular pole, there are undesirable inclination or inclination angles.Similarly, preferably by the prolonging vertically of anchor ear section
At least 3 times for stretching the thickness that height is annular endplate, similarly help to increase in this way anchor ear section 2 and tubular pole ontology to be connect it
Between contact surface to further increase bonding strength between tubular pole.
Next working method according to the present invention from wedging type pipe pile connector is described in a manner of infinite:
When needing to carry out piling work, by two root canal piles 11 and 12 to be connected via the annular endplate of two alignment
11A and 12A is stacked on top of each other good.Next, can arrange multiple anchor ear sections 2 with by annular endplate from annular endplate 11A and 12A
The groove 21 of protrusion 11C and 12C stacked on top of each other and the anchor ear section 2 in 11A and 12A align.Then, make from wedge ring 3
The outside of these anchor ear sections 2 is set in surround these anchor ear sections 2 on the periphery of entire tubular pole.Then, allow piling machine
Stacked tubular pole 11 and 12 is hammered downwards, as stacked tubular pole 11 and 12 moves downward, in annular endplate 11A and 12A
Protrusion 11C and 12C stacked on top of each other can be moved downwardly together with these anchor ear sections 2, and due to being hampered by mud from wedge ring 3
Soil or ground, can not move downward same distance with tubular pole and anchor ear section 2, it is vertical between the two on relative motion meeting so that
The wedge surface in the outside of anchor ear section 2 is formed with the wedge surface from the inside of wedge ring 3 closely from wedge action, thus by 2 jail of anchor ear section
It is clamped on by ground from wedge ring 3 without depositing any apparent displacement in the axial direction or radially, this is remarkably contributing to really
Enough bonding strengths of keeping stake.Meanwhile it is not difficult to find out that of the invention very time saving and energy saving from wedging type pipe pile connector,
It only needs to be arranged in the way of regulation by anchor ear section 2 and from wedge ring 3 in advance by worker and can be carried out conventional hammering work
Industry, the duration of operation and engineering cost is greatly saved in this.Further, it by actual Internal Experiment, finds via the present invention
The tubular pole connected from wedging type pipe pile connector bending strength and pulling test strength all meet the existing construction reference of country.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (10)
1. one kind is used to connect two stacked concrete tubular piles from wedging type pipe pile connector, the concrete tubular pile
End is provided with annular endplate, which is characterized in that the annular endplate is provided with the protrusion along ring week evagination, wherein described
Pipe pile connector includes:
At least two anchor ear sections, the anchor ear section are arranged in the outside of the protrusion along the periphery of annular endplate, wherein described
The inside setting of anchor ear section is fluted, and two protrusions that wherein cross sectional shape of the groove is configured to and is stacked are cut
Face shape matches, and the outer surface of the anchor ear section is configured to wedge surface；
From wedge ring, it is described from wedge ring along the outside for being arranged circumferentially in the anchor ear section of the anchor ear section, wherein described from wedge ring
Inner surface be configured to when vertically there is movement relative to the wedge surface of the anchor ear section by mutual wedging.
2. as described in claim 1 from wedging type pipe pile connector, which is characterized in that the wherein at least two anchor ears section tool
There is essentially identical size.
3. as claimed in claim 2 from wedging type pipe pile connector, which is characterized in that wherein at least two anchor ears section is
Three anchor ear sections, each anchor ear section are in 120 degree of central angle relative to the periphery of the annular endplate.
4. as described in claim 1 from wedging type pipe pile connector, which is characterized in that the wedge of the inner surface from wedge ring
Tight angle is relative to vertically at 5-10 degree.
5. as described in claim 1 from wedging type pipe pile connector, which is characterized in that the depth of the groove and the annular
The protruding length of the protrusion of end plate is equal.
6. as described in claim 1 from wedging type pipe pile connector, which is characterized in that the concrete tubular pile further includes connection
To the pipe sleeve of the annular endplate, wherein solidification has concrete tube body in space between the annular endplate and pipe sleeve, institute
State the multiple channels for offering in concrete tube body and passing through for reinforcing bar.
7. as claimed in claim 6 from wedging type pipe pile connector, which is characterized in that the outer diameter of the protrusion is greater than described
The outer diameter of pipe sleeve.
8. as claimed in claim 6 from wedging type pipe pile connector, which is characterized in that the multiple channel is circumferentially described
Uniform arranged for interval in concrete tube body.
9. as claimed in claim 6 from wedging type pipe pile connector, which is characterized in that the thickness of the anchor ear section is designed to
Against the extremely pipe sleeve when by wedging.
10. as claimed in claim 9 from wedging type pipe pile connector, which is characterized in that the prolonging vertically of the anchor ear section
At least 3 times for stretching the thickness that height is annular endplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279487.4A CN109898508A (en) | 2019-04-08 | 2019-04-08 | From wedging type pipe pile connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279487.4A CN109898508A (en) | 2019-04-08 | 2019-04-08 | From wedging type pipe pile connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109898508A true CN109898508A (en) | 2019-06-18 |
Family
ID=66955495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279487.4A Pending CN109898508A (en) | 2019-04-08 | 2019-04-08 | From wedging type pipe pile connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109898508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635416A (en) * | 2022-03-17 | 2022-06-17 | 深圳宏业基岩土科技股份有限公司 | Construction method for preventing leakage of water of prestressed pipe pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016446A (en) * | 2005-07-06 | 2007-01-25 | Shintoku Kogyo Kk | Connection structure of concrete pile |
| CN201924349U (en) * | 2011-02-14 | 2011-08-10 | 江苏建华管桩有限公司 | Anchor ear type connecting clamp for uplift pipe piles |
| CN202787248U (en) * | 2012-09-21 | 2013-03-13 | 天津港航桩业有限公司 | Hoop type mechanical quick connector for prestress concrete pipe piles |
| CN204000972U (en) * | 2014-05-29 | 2014-12-10 | 齐齐哈尔大学 | A kind of fixture of pile for prestressed pipe resistance to plucking test |
| CN107268606A (en) * | 2017-07-21 | 2017-10-20 | 宁乡宁华建材有限公司 | A kind of variable cross-section concrete tubular pile |
| CN209873786U (en) * | 2019-04-08 | 2019-12-31 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Self-wedging tubular pile connector |
-
2019
- 2019-04-08 CN CN201910279487.4A patent/CN109898508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016446A (en) * | 2005-07-06 | 2007-01-25 | Shintoku Kogyo Kk | Connection structure of concrete pile |
| CN201924349U (en) * | 2011-02-14 | 2011-08-10 | 江苏建华管桩有限公司 | Anchor ear type connecting clamp for uplift pipe piles |
| CN202787248U (en) * | 2012-09-21 | 2013-03-13 | 天津港航桩业有限公司 | Hoop type mechanical quick connector for prestress concrete pipe piles |
| CN204000972U (en) * | 2014-05-29 | 2014-12-10 | 齐齐哈尔大学 | A kind of fixture of pile for prestressed pipe resistance to plucking test |
| CN107268606A (en) * | 2017-07-21 | 2017-10-20 | 宁乡宁华建材有限公司 | A kind of variable cross-section concrete tubular pile |
| CN209873786U (en) * | 2019-04-08 | 2019-12-31 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Self-wedging tubular pile connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635416A (en) * | 2022-03-17 | 2022-06-17 | 深圳宏业基岩土科技股份有限公司 | Construction method for preventing leakage of water of prestressed pipe pile |
| CN114635416B (en) * | 2022-03-17 | 2024-01-23 | 深圳宏业基岩土科技股份有限公司 | Construction method for preventing water leakage of prestressed pipe pile |
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