CN113338280A - Pile sinking method for steel pipe pile - Google Patents
Pile sinking method for steel pipe pile Download PDFInfo
- Publication number
- CN113338280A CN113338280A CN202110539118.1A CN202110539118A CN113338280A CN 113338280 A CN113338280 A CN 113338280A CN 202110539118 A CN202110539118 A CN 202110539118A CN 113338280 A CN113338280 A CN 113338280A
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- China
- Prior art keywords
- pile
- steel pipe
- flange
- inner ring
- top flange
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a pile sinking method for a steel pipe pile in the field of building construction, which aims to improve the pile sinking effect after hammering, and comprises the following steps: s100, integrally hoisting pile sinking process components including process flanges and used for the steel pipe piles; s200, hoisting a pile sinking process assembly for the steel pipe pile on a pile top flange of the steel pipe pile to enable the inner ring part to be in butt joint with the pile top flange; s300, fixedly connecting the inner ring part with the pile top flange, starting a pile hammer, and hammering the process flange; s400, removing the process flange from the pile top flange after hammering is finished; by applying the pile sinking method for the steel pipe pile, the pile sinking effect after hammering can be obviously improved.
Description
Technical Field
The invention relates to the field of building construction, in particular to a pile sinking method for a steel pipe pile.
Background
In the current construction of offshore wind turbine foundation structures in China, as the transportation capacity and the hoisting capacity are improved, the steel pipe pile serving as the wind power foundation is not manufactured and installed in a traditional segmented mode, but is integrally formed once; for this reason, the weight of the hammer also needs to be larger and larger.
In the current pile sinking process, a pile hammer is mostly adopted to directly hammer a pile top flange, and the cross section of the pile top flange is in an inverted L shape, so that the pile top flange is easy to deform after being continuously hammered by heavy weight through the pile hammer, and the final pile forming effect is influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a pile sinking method for a steel pipe pile, which can improve the pile sinking effect after hammering.
The pile sinking method for the steel pipe pile comprises the following steps of: s100, integrally hoisting pile sinking process components including process flanges and used for the steel pipe piles; s200, hoisting a pile sinking process assembly for the steel pipe pile on a pile top flange of the steel pipe pile to enable the inner ring part to be in butt joint with the pile top flange; s300, fixedly connecting the inner ring part with the pile top flange, starting a pile hammer, and hammering the process flange; s400, removing the process flange from the pile top flange after hammering is finished; a pile sinking technology subassembly for steel-pipe pile includes the technology flange, and the technology flange includes the base, and the base includes outer loop portion and interior annular portion, and the periphery of annular portion including outer loop portion sets up, and the upwards extension of outer loop portion is used for connecting the pile bolck flange to interior annular portion upside, interior annular portion.
According to some embodiments of the present invention, in step S300, the pin is inserted into the pile top flange through the positioning hole, and then the inner ring portion is fixed to the pile top flange by using the screw.
According to some embodiments of the present invention, in step S100, a hoisting screw is installed in the threaded hole, and then hoisting is performed by the hoisting screw.
According to some embodiments of the present invention, in step S100, the base of the operation platform is connected to the inner ring portion such that the operation platform and the process flange constitute a pile sinking process assembly for the steel pipe pile, and then the pile sinking process assembly for the steel pipe pile is integrally lifted.
According to some embodiments of the present invention, in step S100, the process flange is placed on the ground, then the base of the operation platform is placed within the inner ring portion so that the supporting portion is located right above the inner ring portion, and then the process flange is lifted.
According to some embodiments of the present invention, in step S100, after the constructor enters above the base, the process flange is lifted.
According to some embodiments of the present invention, in step S300, the constructor inserts the bolt into the positioning hole and the pile top flange, and then fixes the inner ring portion and the pile top flange using the screw.
According to some embodiments of the present invention, in step S300, after the inner ring portion is fixedly connected to the pile top flange, the operation platform is removed and then hammering is performed.
According to some embodiments of the present invention, in step S400, after the constructor enters above the base, the operation platform is lifted so that the support part is erected above the inner ring part.
According to some embodiments of the invention, in step S400, after the screws fixed to the pile top flange on the inner ring portion are removed, the hoisting screws are installed in the threaded holes of the inner ring portion, and the process flange and the operation platform are integrally hoisted away by the hoisting screws.
By applying the pile sinking process method of the steel pipe pile, in the construction process of the steel pipe pile, the pile sinking process component for the steel pipe pile including the process flange can be integrally lifted to the pile top flange, and then the inner ring part is fixedly connected with the pile top flange after being butted; then starting a pile hammer to hammer the process flange, and removing the process flange after hammering is finished; when the pile hammer acts on the process flange, the inner ring part is stressed to generate the tendency of collapse, the outer ring part can be abutted to the side wall of the pile hammer, and therefore the inner ring part is prevented from collapsing, the process flange can only transmit the acting force in the vertical direction to the pile top flange to finish pile sinking, deformation of the pile top flange and the process flange is effectively reduced, and pile sinking quality is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a top view of a process flange according to an embodiment of the present invention;
FIG. 2 is an enlarged view at B in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is an isometric view of a pile sinking process kit according to an embodiment of the invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
the above figures contain the following reference numerals.
| Reference numerals | Name (R) |
| 100 | |
| 110 | |
| 120 | |
| 121 | Locating |
| 122 | Threaded |
| 130 | |
| 140 | Hoisting |
| 210 | |
| 220 | |
| 230 | |
| 240 | Supporting part |
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, the pile sinking process assembly for the steel pipe pile of the present embodiment is characterized by including a process flange, wherein the process flange includes a base 100, the base 100 includes an outer ring portion 110 and an inner ring portion 120, the outer ring portion 110 is disposed at the periphery of the inner ring portion 120, the outer ring portion 110 extends upward to the upper side of the inner ring portion 120, and the inner ring portion 120 is used for connecting a pile top flange.
By applying the pile sinking process component of the steel pipe pile, in the construction process of the steel pipe pile, the whole pile sinking process component for the steel pipe pile including the process flange can be hoisted to the pile top flange, and then the inner ring part 120 is fixedly connected with the pile top flange after being butted; then starting a pile hammer to hammer the process flange, and removing the process flange after hammering is finished; when the pile hammer acts on the process flange, the inner ring part 120 is stressed to generate the tendency of collapse, the outer ring part 110 can be abutted to the side wall of the pile hammer, and therefore the inner ring part 120 is prevented from collapsing, the process flange can only transmit the acting force in the vertical direction to the pile top flange to finish pile sinking, deformation of the pile top flange and the process flange is effectively reduced, and the quality of the pile sinking is improved.
As shown in fig. 3, the outer ring portion 110 and the inner ring portion 120 are part of the foundation 100, and the height of the outer ring portion 110 is higher than that of the inner ring portion 120, when hammering, a pile hammer directly acts on the inner ring portion 120, and the hammering force is transmitted to a pile top flange through a process flange, so that the pile top flange pushes the steel pipe pile to sink.
As shown in fig. 2, the inner ring portion 120 is provided with a positioning hole 121 penetrating up and down, and the positioning hole 121 is used for accommodating a pin; after the process flange is hoisted to the pile top flange, the bolt can be inserted into the process hole firstly, and the bolt is inserted into the pile top flange, so that the pre-positioning of the process flange is realized.
As shown in fig. 1 and 2, a plurality of positioning holes 121 are formed in the inner ring portion 120, and the plurality of positioning holes 121 are uniformly distributed along the circumferential direction of the inner ring portion 120; at the moment, the pre-positioning of the process flange can be realized through the plurality of pins, and the accuracy of the pre-positioning is improved.
As shown in fig. 2, a threaded hole 122 is formed in the upper side of the inner ring portion 120, the threaded hole 122 is used for installing a hoisting screw 140, and the threaded hole 122 is located between two adjacent positioning holes 121; at this moment, the hoisting screw 140 can be installed in the middle of the threaded hole 122, then the process flange is hoisted through hoisting equipment, after the process flange is connected with the pile top flange, the hoisting screw 140 can be detached for hammering, and the interference of the hoisting screw 140 on a hammering process is effectively reduced.
As shown in fig. 2, a threaded hole 122 is formed in the inner ring portion 120, and the threaded hole 122 is used for installing a hoisting screw 140; further, a plurality of threaded holes 122 are formed in the inner ring portion 120, and the plurality of threaded holes 122 are uniformly distributed along the circumferential direction of the inner ring portion 120; at this time, a plurality of lifting screws 140 may be installed for lifting.
As shown in fig. 4 and 5, the pile sinking process assembly for the steel pipe pile further includes an operation platform, the operation platform includes a base 210, the base 210 is disposed on the radial inner side of the inner ring portion 120, and the base 210 is detachably connected to the inner ring portion 120; in the middle of the actual hoisting process, the base 210 and the inner ring part 120 can be connected firstly, then the pile sinking process assembly of the steel pipe pile is hoisted to the pile top flange integrally, at the moment, the base 210 can serve as an operation platform for field constructors, the field constructors can stand on the base 210 to perform the operation of disassembling and assembling screws and pins, after the process flange and the pile top flange are fixed, the constructors can be evacuated and detached from the process flange, hammering can be started, the use of a high-altitude operation vehicle is effectively reduced, and the cost is reduced.
It should be noted that, in the present embodiment, the radially inner side of the inner ring portion 120 refers to a side of the inner ring portion 120 facing the center of the circle along the radial direction thereof, and the radially outer side, opposite to the inner side, refers to a side of the inner ring portion 120 away from the center of the circle along the radial direction thereof.
As shown in fig. 5, the operation platform further includes a plurality of supporting portions 240, the plurality of supporting portions 240 are connected to the base 210, and the plurality of supporting portions 240 extend outward to be erected on the inner ring portion 120; specifically, the structure of the supporting portion 240 may refer to a common corbel structure in the prior art, which is a common cantilever structure, and a plurality of supporting portions 240 are uniformly distributed along the circumferential direction of the base 210; after the constructor finishes fixing the pile top flange and the process flange, the hoisting equipment can directly hoist the operation platform including the base 210 and the supporting part 240 away, and the connection between the supporting part 240 and the inner ring part 120 does not need to be disconnected independently, so that the operation is facilitated.
Specifically, in order to facilitate hoisting the operation platform, the supporting portion 240 is provided with a hoisting hole; after the constructor finishes fixing the pile top flange and the process flange, the hoisting equipment can directly hoist the operation platform including the base 210 and the supporting part 240 through the hoisting hole formed in the supporting part 240, and the connection between the supporting part 240 and the inner ring part 120 does not need to be disconnected independently, so that the operation is facilitated.
As shown in fig. 5, in order to facilitate the operation of the constructor standing on the base 210, a grid plate 220 is laid on the base 210; wherein, the support part 240 is further provided with an annular frame 230, which is convenient for constructors to install safety belts.
In a second aspect of the present embodiment, a pile sinking method for a steel pipe pile is provided, which includes the following steps: s100, integrally hoisting pile sinking process components including process flanges and used for the steel pipe piles; s200, hoisting the pile sinking process assembly for the steel pipe pile on a pile top flange of the steel pipe pile to enable the inner ring part 120 to be in butt joint with the pile top flange; s300, fixedly connecting the inner ring part 120 with a pile top flange, starting a pile hammer, and hammering the process flange; s400, removing the process flange from the pile top flange after hammering is finished; the pile sinking process component for the steel pipe pile is the pile sinking process component for the steel pipe pile.
By applying the pile sinking process method of the steel pipe pile, in the construction process of the steel pipe pile, the pile sinking process component for the steel pipe pile including the process flange can be integrally lifted to the pile top flange, and then the inner ring part 120 is fixedly connected with the pile top flange after being butted; then starting a pile hammer to hammer the process flange, and removing the process flange after hammering is finished; when the pile hammer acts on the process flange, the inner ring part 120 is stressed to generate the tendency of collapse, the outer ring part 110 can be abutted to the side wall of the pile hammer, and therefore the inner ring part 120 is prevented from collapsing, the process flange can only transmit the acting force in the vertical direction to the pile top flange to finish pile sinking, deformation of the pile top flange and the process flange is effectively reduced, and the quality of the pile sinking is improved.
In order to fix the process flange and the pile top flange, in step S300, the plug pin is inserted into the pile top flange through the positioning hole 121, and then the inner ring portion 120 is fixed to the pile top flange by using a screw; at the moment, the bolt can play a role of pre-positioning, so that the bolt is convenient to mount subsequently.
As shown in fig. 1, in step S100, a hoisting screw 140 is installed in the screw hole 122, and then hoisting is performed by the hoisting screw 140.
As shown in fig. 4, in step 100, a base 210 of an operation platform is connected to the inner ring part 120, so that the operation platform and the process flange form a pile sinking process assembly for the steel pipe pile, and then the pile sinking process assembly for the steel pipe pile is integrally lifted; after the process flange is placed on the pile top flange, a constructor can stand on the base 210, install the pins and the screws to fix the process flange, then remove the hoisting screws 140 on the process flange, then remove the base 210 and hoist the operation platform away to start piling.
Further, in step S100, the process flange is placed on the ground, then the base 210 of the operation platform is placed inside the inner ring portion 120, so that the supporting portion 240 is partially located right above the inner ring portion 120, and then the process flange is lifted; at this time, when the process flange rises to abut against the supporting portion 240, the operation platform can be driven to rise together and placed at the pile top position together, and the operation platform does not need to be hoisted independently.
More specifically, in step S100, after entering the upper side of the base 210, the constructor lifts the process flange, and the constructor, the process flange, and the operation platform can be put in place together by one-time lifting, so that the constructor can quickly perform work without separately installing an aerial work platform.
In step S300, a constructor inserts a plug into the positioning hole 121 and the pile top flange, and then fixes the inner ring portion 120 and the pile top flange with screws.
In step S300, after the inner ring portion 120 is fixedly connected to the pile top flange, the operation platform is removed and then hammering is performed; at this moment, remove operation platform and constructor together, avoid influencing hammering work.
As shown in fig. 4 and 5, in step S400, after the constructor enters above the base 210, the operation platform is lifted, so that the support portion 240 is erected above the inner ring portion 120; at the moment, constructors can reach the upper part of the pile top together with the operation platform, then fixing screws between the process flange and the pile top flange are removed, finally hoisting screws 140 are installed on the process flange, hoisting equipment is connected with the hoisting screws 140, then the hoisting screws 140 are connected with the hoisting equipment, and the process flange, the operation platform and the constructors are hoisted to finish pile sinking; it can be understood that after pile sinking is completed, the process flange, the operation platform and constructors can be directly transported to the top of the next steel pipe pile needing pile sinking, and pile sinking is started.
Specifically, in step S400, the constructor removes the lifting rope from the support part 240 and then removes the screw fixed to the pile top flange on the inner ring part 120.
In step S400, after the screws fixed to the pile top flange on the inner ring portion 120 are removed, the hoisting screws 140 are installed in the threaded holes 122 of the inner ring portion 120, and the process flange and the operation platform are integrally hoisted away by the hoisting screws 140.
The pile sinking method for the steel pipe pile in the most preferable scheme of the embodiment may include the steps of: s100, placing the process flange on the ground, then placing the base 210 of the operating platform in the inner ring part 120, enabling the supporting part 240 to be located right above the inner ring part 120, enabling constructors to enter the upper limit of the base 210, and lifting the process flange; s200, hoisting the pile sinking process assembly for the steel pipe pile on a pile top flange of the steel pipe pile to enable the inner ring part 120 to be in butt joint with the pile top flange; s300, constructors perform pre-positioning on installation pins between the inner ring part 120 and the pile top flange at present, then install screws to fix the inner ring part 120 and the pile top flange, then remove the hoisting screws 140 on the inner ring part 120, connect hoisting equipment with hoisting holes formed in the supporting part 240, withdraw the operating platform and the constructors, and then control a pile hammer to start hammering the process flange; s400, after hammering is completed, the operation platform and constructors are lifted to the pile top, the supporting portion 240 is erected on the inner ring portion 120, then the constructors remove fixing screws between the pile top flange and the process flange, the hoisting screws 140 are installed in threaded holes 122 of the inner ring portion 120, after connection between the hoisting equipment and the supporting portion 240 is disconnected, the hoisting equipment is connected with the hoisting screws 140, then the process flange, the operation platform and the constructors are transported away together, and pile sinking of the next steel pipe pile is directly performed after pile sinking is completed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (11)
1. A pile sinking method for a steel pipe pile is characterized by comprising the following steps:
s100, integrally hoisting pile sinking process components including process flanges and used for the steel pipe piles;
s200, hoisting the pile sinking process assembly for the steel pipe pile on a pile top flange of the steel pipe pile to enable the inner ring part (120) to be in butt joint with the pile top flange;
s300, fixedly connecting the inner ring part (120) with a pile top flange, starting a pile hammer, and hammering the process flange;
s400, removing the process flange from the pile top flange after hammering is finished;
a pile sinking technology subassembly for steel-pipe pile includes the technology flange, and the technology flange includes base (100), and base (100) include outer ring portion (110) and interior ring portion (120), and outer ring portion (110) set up in the periphery of interior ring portion (120), and the upwards extension of outer ring portion (110) reaches interior ring portion (120) upside, and interior ring portion (120) are used for connecting the pile bolck flange.
2. The pile sinking method for the steel pipe pile according to claim 1, wherein in step S300, the pin is inserted through the positioning hole (121) and the pile top flange, and then the inner ring part (120) is fixed to the pile top flange using a screw.
3. The pile sinking method for the steel pipe pile according to claim 1, wherein in step S100, a hoisting screw (140) is installed in the screw hole (122) and then hoisted by the hoisting screw (140).
4. The pile sinking method for the steel pipe pile according to claim 1, wherein in step S100, the base (210) of the operation platform is connected to the inner ring part (120) such that the operation platform and the process flange constitute a pile sinking process kit for the steel pipe pile, and then the pile sinking process kit for the steel pipe pile is integrally hoisted.
5. The pile sinking method for the steel pipe pile according to claim 4, wherein in step S100, the process flange is placed on the ground, then the base (210) of the operation platform is placed inside the inner ring portion (120) such that the support portion (240) is partially positioned right above the inner ring portion (120), and then the process flange is hoisted.
6. The pile sinking method for the steel pipe pile according to claim 5, wherein in step S100, after the constructor enters above the foundation (210), the process flange is lifted.
7. The pile sinking method for the steel pipe pile according to claim 6, wherein the constructor inserts the insert pin through the positioning hole (121) and into the pile top flange, and then fixes the inner ring part (120) to the pile top flange using the screw at step S300.
8. The pile driving method for a steel pipe pile according to claim 6, wherein in step S300, after the inner ring part (120) is fixedly connected to the pile top flange, the operation platform is removed and then hammering is performed.
9. The pile sinking method for the steel pipe pile according to claim 8, wherein in step S400, after the constructor enters above the foundation (210), the operation platform is lifted such that the support part (240) is erected above the inner ring part (120).
10. The pile sinking method for a steel pipe pile according to claim 9, wherein the constructor removes the hoist rope from the support part (240) and then removes the screw fixed to the pile top flange on the inner ring part (120) at step S400.
11. The pile sinking method for the steel pipe pile according to claim 10, wherein in step S400, after the screws fixed to the pile top flange on the inner ring portion (120) are removed, the hoisting screws (140) are installed in the threaded holes (122) of the inner ring portion (120), and the process flange and the operation platform are integrally hoisted away by the hoisting screws (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539118.1A CN113338280A (en) | 2021-05-18 | 2021-05-18 | Pile sinking method for steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110539118.1A CN113338280A (en) | 2021-05-18 | 2021-05-18 | Pile sinking method for steel pipe pile |
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| CN113338280A true CN113338280A (en) | 2021-09-03 |
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| CN202110539118.1A Pending CN113338280A (en) | 2021-05-18 | 2021-05-18 | Pile sinking method for steel pipe pile |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206438509U (en) * | 2017-01-05 | 2017-08-25 | 中国电建集团华东勘测设计研究院有限公司 | A kind of structure of anti-piling impact load |
| CN107268447A (en) * | 2017-07-28 | 2017-10-20 | 中交公局第二工程有限公司 | A kind of overall peace is torn open connects high operation platform built in formula radial pattern colyliform steel pile casting |
-
2021
- 2021-05-18 CN CN202110539118.1A patent/CN113338280A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206438509U (en) * | 2017-01-05 | 2017-08-25 | 中国电建集团华东勘测设计研究院有限公司 | A kind of structure of anti-piling impact load |
| CN107268447A (en) * | 2017-07-28 | 2017-10-20 | 中交公局第二工程有限公司 | A kind of overall peace is torn open connects high operation platform built in formula radial pattern colyliform steel pile casting |
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