CN109024654B - Structure of pier pile foundation and construction method thereof - Google Patents
Structure of pier pile foundation and construction method thereof Download PDFInfo
- Publication number
- CN109024654B CN109024654B CN201810920957.6A CN201810920957A CN109024654B CN 109024654 B CN109024654 B CN 109024654B CN 201810920957 A CN201810920957 A CN 201810920957A CN 109024654 B CN109024654 B CN 109024654B
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- Prior art keywords
- pore canal
- pile
- prefabricated
- peripheral
- positioning steel
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 239000011148 porous material Substances 0.000 claims abstract description 88
- 230000002093 peripheral effect Effects 0.000 claims abstract description 54
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000004593 Epoxy Substances 0.000 claims description 17
- 239000004570 mortar (masonry) Substances 0.000 claims description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 230000001965 increasing effect Effects 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention relates to the technical field of bridge construction, in particular to a pier pile foundation structure and a construction method thereof, wherein the pier pile foundation structure comprises a prefabricated bearing platform and a prefabricated pipe pile; the prefabricated bearing platform is arranged above the prefabricated pipe pile; the prefabricated bearing platform is provided with a central pore canal and a peripheral pore canal, and the peripheral pore canal is arranged around the central pore canal; and positioning steel bars are arranged in the peripheral pore canal. The invention has the beneficial effects that: through the arrangement of the positioning fixing reinforcing steel bars and the positioning steel plates, the prefabricated bearing platform and the prefabricated pipe piles can be connected through a mechanical structure in the installation process, so that the fixing is convenient, the construction time is saved, and meanwhile, the safety in the construction process is improved; the positioning steel bars can provide better horizontal plane shearing resistance, so that the relative stability between the pier pile foundation and the prefabricated bearing platform is improved, and the two are prevented from sliding relatively; the arrangement of the fixed reinforcing steel bars can effectively strengthen the connection between the precast tubular pile and the cast-in-situ plain concrete.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a pier pile foundation structure and a construction method thereof.
Background
At present, the highway bridge pile foundation and the bearing platform in China are mostly constructed by adopting a site pouring method, the construction method has long period and low construction efficiency, and the construction process has great influence on the life of surrounding residents.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problems to be solved by the invention are as follows: provided are a pier pile foundation structure capable of improving construction efficiency and a construction method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
a pier pile foundation structure comprises a prefabricated bearing platform and a prefabricated pipe pile; the prefabricated bearing platform is arranged above the prefabricated pipe pile;
the prefabricated pile cap is provided with a central pore canal and a peripheral pore canal, the peripheral pore canal is arranged around the central pore canal, the central pore canal and the peripheral pore canal are arranged above the prefabricated pipe pile pipeline, and the axes of the central pore canal and the peripheral pore canal are parallel to each other;
a positioning steel plate is arranged at the upper opening of the peripheral pore canal, a reinforcing steel bar hole is arranged on the positioning steel plate, and the reinforcing steel bar hole is arranged above the pore canal of the peripheral pore canal; and positioning steel bars are arranged in the peripheral pore canal, extend into the pipeline of the prefabricated pipe pile, and the top ends of the positioning steel bars are fixed on the positioning steel plates.
Furthermore, the positioning steel plate is also provided with grouting holes, and the grouting holes are arranged above the pore canals of the peripheral pore canals.
Further, a longitudinal main rib of the tubular pile is arranged in the side wall of the prefabricated tubular pile.
Further, a hollow weather-resistant steel sleeve is sleeved on the top end of the prefabricated pipe pile.
Further, the precast tubular pile further comprises fixed steel bars, the length of each fixed steel bar is smaller than the radius of the precast tubular pile, one end of each fixed steel bar transversely penetrates into the hollow weather-resistant steel sleeve and the precast tubular pile, and the other end of each fixed steel bar extends out of the hollow weather-resistant steel sleeve and is fixed through an anchorage device.
Further, a thread structure is arranged at the top end of the positioning steel bar, and the positioning steel bar penetrates out of the steel bar hole and is fixed through a nut.
Further, a groove is further formed in the top surface of the prefabricated bearing platform, and the central pore canal and the peripheral pore canal are arranged in the groove.
Further, the peripheral pore channels and the grooves are filled with high-performance epoxy mortar; and plain concrete is filled in the pipeline and the central pore canal of the precast tubular pile.
The construction method of the pier pile foundation comprises the following steps:
step 1: driving the precast tubular pile into a designated position of a foundation;
step 2: placing the prefabricated bearing platform at a designated position above the prefabricated pipe pile;
step 3: inserting the positioning steel bars into the peripheral pore canal steel bar holes and passing through the nuts;
step 4: pouring plain concrete into the central pore canal until the central pore canal is filled; and (5) filling high-performance epoxy mortar into the peripheral pore canal until the groove is filled.
Further, in the step 3, a threaded structure is provided at the top end of the positioning steel bar, and the positioning steel bar penetrates out of the steel bar hole and is fixed by a nut.
The invention has the beneficial effects that: through setting up of location reinforcing bar, fixed steel bar and location steel sheet, can be in the installation with prefabricating cushion cap and prefabricating the tubular pile through mechanical structure and connect, conveniently fix, saved the time of construction, increased the security in the work progress simultaneously; the connection between the hollow weather-resistant steel sleeve and the precast tubular pile is effectively reinforced through the fixed reinforcing steel bars, and meanwhile, the connection between the precast tubular pile and plain concrete is effectively reinforced, so that the connection of the precast tubular pile and plain concrete is firmer.
Drawings
FIG. 1 is a front cross-sectional view of a pier foundation structure according to an embodiment of the present invention;
FIG. 2 is a top view of a prefabricated deck of a pier foundation structure according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the embodiment of the present invention at B of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C in accordance with an embodiment of the present invention;
description of the reference numerals:
1. prefabricating a bearing platform; 11. a central aperture; 12. peripheral tunnels; 13. positioning a steel plate; 131. a reinforcing bar hole; 132. grouting holes; 14. positioning reinforcing steel bars; 15. a groove;
2. prefabricating a tubular pile; 21. longitudinal main ribs of the pipe piles; 22. a hollow weather-resistant steel sleeve; 23. fixing the reinforcing steel bars; 24. an anchor;
3. plain concrete;
4. high-performance epoxy mortar.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: through setting up of location reinforcing bar, fixed steel bar and location steel sheet, can be in the installation with prefabricating cushion cap and prefabricating the tubular pile through mechanical structure and connect, conveniently fix, saved the time of construction, increased the security in the work progress simultaneously; the connection between the hollow weather-resistant steel sleeve and the precast tubular pile is effectively reinforced through the fixed reinforcing steel bars, and meanwhile, the connection between the precast tubular pile and plain concrete is effectively reinforced, so that the connection of the precast tubular pile and plain concrete is firmer.
Referring to fig. 1-3, a pier pile foundation structure includes a prefabricated pile cap 1 and a prefabricated pipe pile 2; the prefabricated bearing platform 1 is arranged above the prefabricated pipe pile 2;
the prefabricated pile cap 1 is provided with a central pore canal 11 and a peripheral pore canal 12, the peripheral pore canal 12 is arranged around the central pore canal 11, the central pore canal 11 and the peripheral pore canal 12 are arranged above the prefabricated pipe pile 2 pipeline, and the axes of the central pore canal 11 and the peripheral pore canal 12 are parallel to each other;
a positioning steel plate 13 is arranged at the upper opening of the peripheral pore canal 12, a reinforcing steel bar hole 131 is arranged on the positioning steel plate 13, and the reinforcing steel bar hole 131 is arranged above the pore canal of the peripheral pore canal 12; the positioning steel bars 14 are arranged in the peripheral pore canal 12, the positioning steel bars 14 extend into the pipeline of the prefabricated pipe pile 2, and the top ends of the positioning steel bars 14 are fixed on the positioning steel plates 13.
The above description shows that the pier pile foundation structure has the following beneficial effects: through the arrangement of the positioning steel bars 14, the fixing steel bars 23 and the positioning steel plates 13, the prefabricated bearing platform 1 and the prefabricated pipe pile 2 can be connected through a mechanical structure in the installation process, so that the fixing is convenient, the construction time is saved, and meanwhile, the safety in the construction process is improved; the connection between the hollow weather-resistant steel sleeve 22 and the precast tubular pile 2 is effectively enhanced through the fixed reinforcing steel bars 23, and meanwhile, the connection between the precast tubular pile 2 and plain concrete 3 is effectively enhanced, so that the connection of the precast tubular pile 2 and the plain concrete is firmer.
Further, the positioning steel plate 13 is further provided with grouting holes 132, and the grouting holes 132 are disposed above the peripheral channels 12.
As can be seen from the above description, the arrangement of the grouting holes 132 facilitates the grouting of the slurry, further increasing the efficiency of construction.
Further, a longitudinal main rib 21 of the tubular pile is arranged in the side wall of the precast tubular pile 2.
As is apparent from the above description, by providing the tubular pile longitudinal main ribs 21 in the precast tubular pile 2, the structural strength of the precast tubular pile 2, particularly the shear capacity in the horizontal direction, is increased, thereby increasing the stability of the whole structure.
Further, a hollow weather-resistant steel sleeve 22 is sleeved on the top end of the precast tubular pile 2.
As is apparent from the above description, by providing the hollow weather-resistant steel sleeve 22, it is possible to transmit and disperse load, disperse impact force received when driving the precast tubular pile 2 into the ground, and prevent the top end of the precast tubular pile 2 from being damaged when driving into the ground.
Further, the precast tubular pile 2 further comprises fixing steel bars 23, the length of the fixing steel bars 23 is smaller than the radius of the precast tubular pile 2, one ends of the fixing steel bars 23 transversely penetrate into the hollow weather-resistant steel sleeve 22 and the precast tubular pile 2, and the other ends of the fixing steel bars extend out of the hollow weather-resistant steel sleeve 22 and are fixed through an anchorage 24.
As is apparent from the above description, by the arrangement of the fixing reinforcing bars 23, the hollow weather-resistant steel sleeve 22 can be fixed, the connection between the hollow weather-resistant steel sleeve 22 and the precast tubular pile 2 can be reinforced, thereby enhancing the capacity of the hollow weather-resistant steel sleeve 22 to transmit and disperse loads, and at the same time, the connection between the precast tubular pile 2 and the plain concrete 3 can be enhanced after the plain concrete 3 is poured.
Further, a threaded structure is provided at the top end of the positioning steel bar 14, and the positioning steel bar 14 passes through the steel bar hole 131 and is fixed by a nut.
From the above description, the positioning steel bar 14 can be conveniently connected to the positioning steel plate 13 through the arrangement of the nut, so that the construction efficiency is increased.
Further, a groove 15 is further formed on the top surface of the prefabricated platform 1, and the central hole 11 and the peripheral hole 12 are disposed in the groove 15.
Further, the peripheral pore canal 12 and the groove 15 are filled with high-performance epoxy mortar 4; the pipe and the central pore canal 11 of the precast tubular pile 2 are filled with plain concrete 3.
As is apparent from the above description, the arrangement of the grooves 15 can prevent corrosion and rust of the positioning steel bars 14 and the positioning steel plates 13 and water inflow at the edges of the central duct 11 and the peripheral duct 12 by pouring the high-performance epoxy mortar 4 to seal the central duct 11, the peripheral duct 12, and the top ends of the positioning steel bars 14 and the positioning steel plates 13; the positioning steel bar 14 and the positioning steel plate 13 which are wrapped in the epoxy mortar can be formed into a firm and closed structure through the high-performance epoxy mortar 4, so that the positioning steel bar 14 and the positioning steel plate 13 wrapped in the epoxy mortar are prevented from being corroded due to contact with moisture and air; the plain concrete 3 has a firm and stable structure and low cost, and is suitable for being used as a filling material of a pier pile foundation main body.
Example 1
The structure of the pier pile foundation comprises a prefabricated bearing platform 1 and a prefabricated pipe pile 2; the prefabricated bearing platform 1 is arranged above the prefabricated pipe pile 2; the prefabricated pile cap 1 is provided with a central pore canal 11 and a peripheral pore canal 12, the peripheral pore canal 12 is arranged around the central pore canal 11, the central pore canal 11 and the peripheral pore canal 12 are arranged above the prefabricated pipe pile 2 pipeline, and the axes of the central pore canal 11 and the peripheral pore canal 12 are parallel to each other; a positioning steel plate 13 is arranged at the upper opening of the peripheral pore canal 12, a reinforcing steel bar hole 131 is arranged on the positioning steel plate 13, and the reinforcing steel bar hole 131 is arranged above the pore canal of the peripheral pore canal 12; a positioning steel bar 14 is arranged in the peripheral pore canal 12, the positioning steel bar 14 stretches into the pipeline of the prefabricated pipe pile 2, and the top end of the positioning steel bar 14 is fixed on the positioning steel plate 13; the positioning steel plate 13 is also provided with grouting holes 132, and the grouting holes 132 are arranged above the pore channels of the peripheral pore channels 12; a tubular pile longitudinal main rib 21 is arranged in the side wall of the prefabricated tubular pile 2; the top end of the precast tubular pile 2 is sleeved with a hollow weather-resistant steel sleeve 22; the precast tubular pile 2 further comprises fixing steel bars 23, the length of each fixing steel bar 23 is smaller than the radius of the precast tubular pile 2, one end of each fixing steel bar 23 transversely penetrates into the hollow weather-resistant steel sleeve 22 and the precast tubular pile 2, and the other end of each fixing steel bar 23 extends out of the hollow weather-resistant steel sleeve 22 and is fixed through an anchor 24; the top end of the positioning steel bar 14 is provided with a thread structure, and the positioning steel bar 14 penetrates out of the steel bar hole 131 and is fixed by a nut; a groove 15 is further formed in the top surface of the prefabricated bearing platform 1, and the central pore canal 11 and the peripheral pore canal 12 are arranged in the groove 15; the peripheral pore canal 12 and the groove 15 are filled with high-performance epoxy mortar 4; the pipe and the central pore canal 11 of the precast tubular pile 2 are filled with plain concrete 3.
Example two
The construction method of the pier pile foundation comprises the following steps:
step 1: driving the precast tubular pile 2 into a designated position of a foundation;
step 2: placing the prefabricated bearing platform 1 at a designated position above the prefabricated pipe pile 2;
step 3: inserting the locating steel bars 14 into the steel bar holes 131 of the peripheral pore canal 12 and passing through the nuts;
step 4: filling plain concrete 3 into the central pore canal 11 until the central pore canal 11 is filled; high-performance epoxy mortar 4 is poured into the peripheral channel 12 until the grooves 15 are filled.
Further, in the step 3, a threaded structure is provided at the top end of the positioning steel bar 14, and the positioning steel bar 14 passes through the steel bar hole 131 and is fixed by a nut.
In summary, according to the structure of the pier pile foundation and the construction method thereof provided by the invention, the prefabricated bearing platform and the prefabricated pipe pile can be connected through the mechanical structure in the installation process by arranging the positioning steel bars, the fixing steel bars and the positioning steel plates, so that the fixing is convenient, the construction time is saved, and meanwhile, the safety in the construction process is increased; the connection between the hollow weather-resistant steel sleeve and the precast tubular pile is effectively reinforced through the fixed steel bars, and meanwhile, the connection between the precast tubular pile and plain concrete is effectively reinforced, so that the connection of the precast tubular pile and plain concrete is firmer; as can be seen from the above description, the arrangement of the grouting holes facilitates the grouting of the slurry, and further increases the construction efficiency; the longitudinal main ribs of the tubular pile are arranged in the prefabricated tubular pile, so that the structural strength of the prefabricated tubular pile, particularly the shearing resistance in the horizontal direction, is improved, and the stability of the whole structure is improved; through the arrangement of the hollow weather-resistant steel sleeve, load can be transmitted and dispersed, impact force received when the precast tubular pile is driven into the foundation is dispersed, and the top end of the precast tubular pile is prevented from being damaged when the precast tubular pile is driven into the foundation; through the arrangement of the fixed reinforcing steel bars, the hollow weather-resistant steel sleeve can be fixed, the connection between the hollow weather-resistant steel sleeve and the precast tubular pile is enhanced, so that the capacity of the hollow weather-resistant steel sleeve for transmitting and dispersing loads is enhanced, and meanwhile, the connection between the precast tubular pile and the plain concrete can be enhanced after the plain concrete is poured; the positioning steel bars can be conveniently connected to the positioning steel plates through the arrangement of the nuts, so that the construction efficiency is improved; the grooves can be formed by pouring high-performance epoxy mortar to seal the central pore canal, the peripheral pore canal, the top ends of the positioning steel bars and the positioning steel plates, so that the positioning steel bars and the positioning steel plates are prevented from being corroded and rusted, and water is prevented from entering the edges of the central pore canal and the peripheral pore canal; the positioning steel bars and the positioning steel plates wrapped in the epoxy mortar can be formed into a firm and closed structure through the high-performance epoxy mortar, so that the positioning steel bars and the positioning steel plates wrapped in the epoxy mortar are prevented from being corroded due to contact with moisture and air; the plain concrete has a firm and stable structure and low cost, and is suitable for being used as a filling material of a pile foundation main body of the bridge pier.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (2)
1. The construction method of the pier pile foundation is characterized in that the structure of the pier pile foundation comprises a prefabricated bearing platform and a prefabricated pipe pile; the prefabricated bearing platform is arranged above the prefabricated pipe pile;
the prefabricated pile cap is provided with a central pore canal and a peripheral pore canal, the peripheral pore canal is arranged around the central pore canal, the central pore canal and the peripheral pore canal are arranged above the prefabricated pipe pile pipeline, and the axes of the central pore canal and the peripheral pore canal are parallel to each other;
a positioning steel plate is arranged at the upper opening of the peripheral pore canal, a reinforcing steel bar hole is arranged on the positioning steel plate, and the reinforcing steel bar hole is arranged above the pore canal of the peripheral pore canal; positioning steel bars are arranged in the peripheral pore canal, extend into the pipeline of the prefabricated pipe pile, and the top ends of the positioning steel bars are fixed on the positioning steel plates;
the top end of the positioning steel bar is provided with a thread structure, and the positioning steel bar penetrates out of the steel bar hole and is fixed through a nut;
the positioning steel plate is also provided with grouting holes which are arranged above the pore canals of the peripheral pore canals;
the top surface of the prefabricated bearing platform is also provided with a groove, and the central pore canal and the peripheral pore canal are arranged in the groove;
the peripheral pore channels and the grooves are filled with high-performance epoxy mortar; plain concrete is filled in the pipeline and the central pore canal of the precast tubular pile;
a hollow weather-resistant steel sleeve is sleeved at the top end of the precast tubular pile;
the prefabricated pipe pile further comprises fixing steel bars, the length of each fixing steel bar is smaller than the radius of the prefabricated pipe pile, one end of each fixing steel bar transversely penetrates into the hollow weather-resistant steel sleeve and the prefabricated pipe pile, and the other end of each fixing steel bar extends out of the hollow weather-resistant steel sleeve and is fixed through an anchor;
the method comprises the following steps:
step 1: driving the precast tubular pile into a designated position of a foundation;
step 2: placing the prefabricated bearing platform at a designated position above the prefabricated pipe pile;
step 3: inserting the positioning steel bars into the peripheral pore canal steel bar holes and fixing the positioning steel bars through nuts;
step 4: pouring plain concrete into the central pore canal until the central pore canal is filled; and (3) filling high-performance epoxy mortar into the peripheral pore canal until the groove is filled, and wrapping the positioning steel bars and the positioning steel plates by the high-performance epoxy mortar.
2. The construction method of pier pile foundation according to claim 1, wherein a pile longitudinal main rib is provided in the side wall of the precast pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920957.6A CN109024654B (en) | 2018-08-14 | 2018-08-14 | Structure of pier pile foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920957.6A CN109024654B (en) | 2018-08-14 | 2018-08-14 | Structure of pier pile foundation and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109024654A CN109024654A (en) | 2018-12-18 |
| CN109024654B true CN109024654B (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810920957.6A Active CN109024654B (en) | 2018-08-14 | 2018-08-14 | Structure of pier pile foundation and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109024654B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700301B (en) * | 2019-10-18 | 2021-06-15 | 中国铁路设计集团有限公司 | Screw type prefabricated pipe pile and prefabricated bearing platform connecting structure |
| CN110644470A (en) * | 2019-10-18 | 2020-01-03 | 中国铁路设计集团有限公司 | Pre-buried steel sleeve joint design between precast tubular pile and precast cushion cap |
| CN110644471B (en) * | 2019-10-18 | 2024-04-05 | 中国铁路设计集团有限公司 | Connection structure of staple bolt formula precast tubular pile and prefabricated cushion cap |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000096521A (en) * | 1998-09-21 | 2000-04-04 | Fudo Constr Co Ltd | Earthquake-resistant reinforcing construction method for down-stepped bar-arrangement prefabricated wall type pier |
| CN201722789U (en) * | 2010-01-27 | 2011-01-26 | 江苏省电力设计院 | Prestressed steel bar-pressed flat joint cement joint pedestal |
| CN203755334U (en) * | 2014-01-22 | 2014-08-06 | 深圳市海能通信股份有限公司 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
| CN106988333A (en) * | 2017-05-11 | 2017-07-28 | 江苏中大建设集团有限公司 | The prefabricated cushion cap and its construction technology of core are filled with joint bar |
| CN108103926A (en) * | 2017-12-25 | 2018-06-01 | 中交第二公路勘察设计研究院有限公司 | Assembled hollow pier and its construction method based on end plate welding |
| CN108301317A (en) * | 2018-04-10 | 2018-07-20 | 大连理工大学 | A kind of assembled bridge pier structure and its construction method |
-
2018
- 2018-08-14 CN CN201810920957.6A patent/CN109024654B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000096521A (en) * | 1998-09-21 | 2000-04-04 | Fudo Constr Co Ltd | Earthquake-resistant reinforcing construction method for down-stepped bar-arrangement prefabricated wall type pier |
| CN201722789U (en) * | 2010-01-27 | 2011-01-26 | 江苏省电力设计院 | Prestressed steel bar-pressed flat joint cement joint pedestal |
| CN203755334U (en) * | 2014-01-22 | 2014-08-06 | 深圳市海能通信股份有限公司 | Single-pipe tower prefabricated spiral steel pipe pile foundation |
| CN106988333A (en) * | 2017-05-11 | 2017-07-28 | 江苏中大建设集团有限公司 | The prefabricated cushion cap and its construction technology of core are filled with joint bar |
| CN108103926A (en) * | 2017-12-25 | 2018-06-01 | 中交第二公路勘察设计研究院有限公司 | Assembled hollow pier and its construction method based on end plate welding |
| CN108301317A (en) * | 2018-04-10 | 2018-07-20 | 大连理工大学 | A kind of assembled bridge pier structure and its construction method |
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| Publication number | Publication date |
|---|---|
| CN109024654A (en) | 2018-12-18 |
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