CN109403366B - Assembled steel pipe concrete pile foundation and construction method thereof - Google Patents
Assembled steel pipe concrete pile foundation and construction method thereof Download PDFInfo
- Publication number
- CN109403366B CN109403366B CN201811521545.1A CN201811521545A CN109403366B CN 109403366 B CN109403366 B CN 109403366B CN 201811521545 A CN201811521545 A CN 201811521545A CN 109403366 B CN109403366 B CN 109403366B
- Authority
- CN
- China
- Prior art keywords
- piles
- pile
- cavity
- bearing platform
- stud
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 239000004567 concrete Substances 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000004568 cement Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003351 stiffener Substances 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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to an assembled steel pipe concrete pile foundation, which comprises a bearing platform, wherein a supporting pile for supporting the bearing platform is arranged below the bearing platform, and an upward extending supporting column is arranged at the upper end of the bearing platform; the invention also relates to a construction method of the fabricated steel pipe concrete pile foundation. The support pile has high bearing capacity, is not easy to crack and break, effectively reduces the adverse effect of the large-volume concrete of the traditional bearing platform, and is convenient to install, good in processing quality and short in construction period by adopting modularized manufacture.
Description
Technical Field
The invention relates to an assembled steel pipe concrete pile foundation and a construction method thereof.
Background
Pile foundations are mostly adopted in high-rise building structures, and the pile foundations are deep foundations consisting of piles and pile caps (called caps for short) connected with pile tops. The types of piles include precast piles and cast-in-place piles. The precast pile has the advantages of high bearing capacity, firmness, durability, high construction speed and the like, so that the precast pile is widely applied to building structures and bridge structures, and the existing precast pile mainly comprises concrete square piles, prestressed concrete pipe piles and steel piles. However, the above precast piles still have the following problems in practical use: 1) The concrete square pile and the prestressed concrete pipe pile are easy to break in the transportation and construction process, and the maintenance cost is high; 2) The steel pile has larger steel consumption.
The cast-in-place pile mainly comprises a single pile cap, a two-pile cap, a three-pile cap, a multi-pile cap and the like, and is generally formed by casting in situ. However, the cast-in-situ reinforced concrete bearing platform has the following problems in actual use: 1) The concrete is cast in situ, and is greatly influenced by weather, construction conditions and quality of workers, and the casting quality is not easy to ensure; 2) The large-volume concrete is easy to generate expansion deformation and temperature stress during pouring, so that the concrete is cracked; 3) The construction procedures are more, and the construction period is longer.
Disclosure of Invention
Therefore, the invention aims to provide the assembled concrete filled steel tube pile foundation and the construction method thereof, and the assembled concrete filled steel tube pile foundation has the advantages of reasonable stress, good processing quality, convenience in construction, short construction period and the like.
The technical scheme of the invention is as follows: the utility model provides an assembled steel pipe concrete pile foundation, includes the cushion cap, is provided with the support stake that is used for supporting the cushion cap below the cushion cap, is provided with the support column that upwards extends in the cushion cap upper end.
Further, an annular bracket is arranged between the support pile and the bearing platform, a stiffening rib is arranged below the annular bracket, and a shear pin A is arranged at the upper end of the support pile.
Further, the cushion cap includes the bottom plate, be provided with upward extension's bounding wall at the bottom plate periphery, be provided with in the bottom plate upper end be used for with support stake complex cavity A and be used for with support column complex cavity B, be provided with the connecting plate that is used for connecting bounding wall, cavity A, cavity B between bounding wall, cavity A, be provided with shear pin B in cavity A, be provided with shear pin C in cavity B, be provided with the rings of the cushion cap hoist and mount of being convenient for in the bounding wall outside, be provided with the concrete block between bounding wall, cavity A, cavity B, connecting plate.
Further, a through hole is arranged at the bottom of the cavity A.
Further, the lower end of the support column is matched with the cavity B, and the lower end of the support column is provided with a shear pin D.
Further, the support pile comprises a plurality of spliced sub-piles, each sub-pile comprises a weather-resistant steel pipe, an annular concrete pile is arranged in the weather-resistant steel pipe, a threaded sleeve and a connecting steel plate are arranged between two adjacent sub-piles, the lower end face of the sub-pile located above and the upper end face of the sub-pile located below are both provided with a big-end stud and a small-end stud, and the big-end stud and the small-end stud are arranged in the threaded sleeve.
Further, the large-and-small-head stud comprises a stud A with a large diameter and a stud B with a small diameter, wherein the stud A is screwed with a threaded sleeve on the lower end face of the upper sub-pile, and the stud B is inserted into the threaded sleeve on the upper end face of the lower sub-pile.
The other technical scheme provided by the invention is as follows: a construction method of an assembled steel pipe concrete pile foundation comprises the following steps:
(1) Conveying the split piles to a construction site, driving the split piles to a designated position of a foundation, filling high-strength cement-based grouting materials in a threaded sleeve of the upper end face of the split piles driven into the foundation, taking the split piles driven into the foundation as lower piles, screwing a stud A of a big-end stud into the threaded sleeve of the split piles which are not driven into the foundation, taking the unfinished split piles as upper piles, hoisting the upper piles, aligning, inserting a stud B of the big-end stud at the bottom of the upper piles into the threaded sleeve of the lower piles, extruding the high-strength cement-based grouting materials in the threaded sleeve when the stud B is inserted into the threaded sleeve, overflowing the high-strength cement-based grouting materials onto a connecting steel plate, bonding the connecting steel plate of the lower end face of the upper piles with the connecting steel plate of the upper end face of the lower piles, cleaning the periphery of the joint of the upper piles and the lower piles, taking a weather-resistant steel pipe of the split piles which are used as the upper piles, continuously driving the connected split piles into the designated height, taking the unfinished split piles as the split piles, and repeatedly installing the split piles as the lower piles which are designed to be the upper piles, and installing the split piles until the high-pile is completed;
(2) After the installation of the support pile is completed, welding an annular bracket and a shear stud A at the upper end of the support pile, conveying the bearing platform to a construction site, hoisting the bearing platform to the installed support pile, enabling the upper end of the support pile to penetrate through a through hole of the cavity A and extend into the cavity A, supporting the bearing platform by the annular bracket, pouring a high-strength cement-based grouting material into the cavity A, connecting the support pile and the bearing platform into a whole, and completing the installation of the bearing platform;
(3) After the bearing platform is installed, the shear stud D is welded to the lower end of the supporting column, then the supporting column is hoisted, the supporting column is inserted into a cavity B of the bearing platform, then high-strength cement-based grouting material is poured into the cavity B, the supporting column and the bearing platform are connected into a whole, and connection of the supporting column is completed.
Compared with the prior art, the invention has the beneficial effects that:
(1) The supporting piles, the bearing platforms and the supporting columns are arranged in a modularized mode, so that the whole manufacturing and the installation are convenient;
(2) The supporting pile is a hollow weather-resistant steel pipe concrete member, and the compressive bearing capacity of the concrete is improved due to the circumferential constraint action of the weather-resistant steel pipe on the concrete, so that the supporting pile has high overall bearing performance, and the weather-resistant steel pipe is arranged on the periphery so that the member is not easy to crack and break, and is convenient to transport and install;
(3) The bearing platform is provided with the bottom plate and the coaming, so that the steps of installing the template and removing the template can be saved when concrete is poured, the working efficiency is improved, the bearing capacity of the bearing platform is increased, meanwhile, the bearing platform is also provided with the connecting plate, the large-volume bearing platform concrete is divided into a plurality of small-volume concrete components by the connecting plate, the high temperature difference caused by hydration heat during pouring of the large-volume concrete is effectively reduced by the measure, the concrete cracking is avoided, and the bearing platform is a prefabricated component and has the advantages of reliable quality and convenience in construction.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present invention 1;
FIG. 2 is a schematic diagram of the structure of an embodiment of the present invention 2;
FIG. 3 is a schematic structural view of a platform according to an embodiment of the present invention;
FIG. 4 is a schematic view of a support column according to an embodiment of the present invention;
FIG. 5 is a schematic view of a supporting pile according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of splicing support piles according to an embodiment of the present invention;
FIG. 8 is a B-B cross-sectional view of FIG. 7 in accordance with an embodiment of the present invention;
in the figure: 100-bearing platform; 110-a bottom plate; 120-coaming; 130-cavity a; 131-shear pin B; 132-a through hole; 140-cavity B; 141-shear pin C; 150-connecting plates; 160-hanging rings; 170-concrete blocks; 200-supporting piles; 210-shear pin a; 220-pile separation; 221-weather-resistant steel pipe; 222-ring concrete piles; 230-a threaded sleeve; 240-connecting steel plates; 250-big and small head studs; 251-stud A; 252-stud B; 300-supporting columns; 310-shear pin D; 400-annular bracket; 500-stiffeners.
Detailed Description
As shown in fig. 1 to 8, an assembled concrete filled steel tube pile foundation comprises a bearing platform 100, a supporting pile 200 for supporting the bearing platform 100 is arranged below the bearing platform 100, and an upward extending supporting column 300 is arranged at the upper end of the bearing platform 100. The supporting piles 200, the bearing platforms 100 and the supporting columns 300 are arranged in a modularized mode, so that the whole manufacturing and installation are convenient.
In this embodiment, an annular bracket 400 is provided between the support pile 200 and the platform 100, a stiffening rib 500 is provided below the annular bracket 400, and a shear pin a210 is provided at the upper end of the support pile 200. The annular bracket 400 can support the bearing platform 100, and the stiffening ribs 500 can prevent the bracket 400 from being unstable and enhance the bearing capacity of the bracket 400.
In this embodiment, the bearing platform 100 includes a bottom plate 110, a coaming 120 extending upward is disposed on the periphery of the bottom plate 110, a cavity a130 for matching with the supporting piles 200 and a cavity B140 for matching with the supporting columns 300 are disposed at the upper end of the bottom plate 110, a connecting plate 150 for connecting the coaming 120, the cavity a130 and the cavity B140 is disposed among the coaming 120, the cavity a130 and the cavity B140, a shear pin B131 is disposed in the cavity a130, a shear pin C141 is disposed in the cavity B140, a hanging ring 160 for facilitating hanging of the bearing platform 100 is disposed outside the coaming 120, and a concrete block 170 is disposed among the coaming 120, the cavity a130, the cavity B140 and the connecting plate 150. The bottom plate 110 and the coaming 120 are arranged on the bearing platform 100, so that the steps of installing and removing the templates can be saved when concrete is poured, the working efficiency is improved, the bearing capacity of the bearing platform 100 is increased, the bearing platform 100 can be hoisted through the hanging rings 160, the mass bearing platform concrete is divided into a plurality of small-volume concrete components through the connecting plates, and the high temperature difference caused by hydration heat during pouring of the mass concrete is effectively reduced by the measures, so that concrete cracking is avoided.
In this embodiment, a through hole 132 is provided at the bottom of the cavity a 130.
In this embodiment, the lower end of the support column 300 is matched with the cavity B140, and the lower end of the support column 300 is provided with a shear pin D310. Shear pin D310 can enhance the reliability of the connection between support post 300 and cavity B140.
In this embodiment, the supporting pile 200 includes a plurality of spliced piles 220, the piles 220 include a weather-resistant steel pipe 221, an annular concrete pile 222 is disposed in the weather-resistant steel pipe 221, between two adjacent piles 220, a threaded sleeve 230 and a connecting steel plate 240 are disposed on a lower end face of the upper pile 220 and an upper end face of the lower pile 220, and a large-and-small-end stud 250 is disposed in the threaded sleeve 230. By adopting the weather-resistant steel pipe 221 to manufacture, the weather-resistant steel pipe 221 plays a role in circumferential restraint on the annular concrete pile 222, so that the compressive bearing capacity of concrete is improved, the overall bearing capacity of the support pile 200 is high, and the support pile is not easy to crack and break, and is convenient to transport and install.
In this embodiment, the large-and-small-head stud 250 includes a stud a251 with a large diameter and a stud B252 with a small diameter, the stud a251 is screwed with the threaded sleeve 230 on the lower end surface of the upper sub-pile 220, and the stud B252 is inserted into the threaded sleeve 230 on the upper end surface of the lower sub-pile 220.
The other technical scheme provided by the invention is as follows: a construction method of an assembled steel pipe concrete pile foundation comprises the following steps:
(1) Transporting the split piles 220 to a construction site, driving the split piles 220 into a designated position of a foundation, filling high-strength cement-based grouting materials into a threaded sleeve 230 on the upper end face of the split piles 220 driven into the foundation, taking the split piles 220 driven into the foundation as a lower pile, screwing a stud A251 of the large-small head screw pile 250 into the threaded sleeve 230 of the split piles 220 which are not driven into the foundation, taking the split piles 220 which are not installed as an upper pile, hoisting the upper pile, aligning, inserting a stud B252 of the large-small head screw pile 250 at the bottom of the upper pile into the threaded sleeve 230 of the lower pile, extruding the high-strength cement-based grouting materials in the threaded sleeve 230 when the stud B252 is inserted into the threaded sleeve 230, overflowing the high-strength cement-based grouting materials onto a connecting steel plate 240, bonding the connecting steel plate 240 on the upper end face of the upper pile with the connecting steel plate 240 of the lower pile, cleaning the periphery of the joint of the upper pile and the lower pile, taking a weather-resistant steel pipe 221 of the split piles 220 which are taken as the upper pile and a weather-resistant steel pipe 221 of the split piles which are connected with the split piles 220 which are taken into the lower pile, installing the split piles, and installing the split piles which are taken as the lower piles, repeatedly until the split piles which are not installed as the upper piles and the designated piles which are high-strength piles 220 are installed up to be completed;
(2) After the installation of the support pile 200 is completed, welding an annular bracket 400 and a shear pin A210 at the upper end of the support pile 200, conveying the support pile 200 to a building site, hoisting the support pile 100 to the installed support pile 200, enabling the upper end of the support pile 200 to pass through a through hole 132 of a cavity A130 and extend into the cavity A130, supporting the support pile 100 by the annular bracket 400, pouring a high-strength cement-based grouting material into the cavity A130, and enabling the shear pin A210 and the shear pin B131 to enhance the connection reliability between the support pile 200 and the cavity A130, and connecting the support pile 200 and the support pile 100 into a whole to complete the installation of the support pile 100;
(3) After the bearing platform 100 is installed, the shear pin D310 is welded to the lower end of the support column 300, then the support column 300 is hoisted, the support column 300 is inserted into the cavity B140 of the bearing platform 100, then high-strength cement-based grouting material is poured into the cavity B140, the shear pin C141 and the shear pin D310 can enhance the reliability of connection between the support column 300 and the cavity B140, the support column 300 and the bearing platform 100 are connected into a whole, and connection of the support column 300 is completed.
The above operation procedures and software and hardware configurations are only preferred embodiments of the present invention, and are not limited to the scope of the present invention, and all equivalent changes made by the descriptions and the drawings of the present invention, or direct or indirect application in the related technical field, are equally included in the scope of the present invention.
Claims (4)
1. An assembled steel pipe concrete pile foundation, its characterized in that: the device comprises a bearing platform, wherein a supporting pile for supporting the bearing platform is arranged below the bearing platform, and a supporting column extending upwards is arranged at the upper end of the bearing platform;
an annular bracket is arranged between the support pile and the bearing platform, a stiffening rib is arranged below the annular bracket, and a shear pin A is arranged at the upper end of the support pile;
the bearing platform comprises a bottom plate, wherein a coaming which extends upwards is arranged on the periphery of the bottom plate, a cavity A which is used for being matched with a supporting pile and a cavity B which is used for being matched with a supporting column are arranged at the upper end of the bottom plate, connecting plates which are used for connecting the coaming, the cavity A and the cavity B are arranged among the coaming, the cavity A and the cavity B, shear bolts B are arranged in the cavity A, shear bolts C are arranged in the cavity B, hanging rings which are convenient for hanging the bearing platform are arranged on the outer side of the coaming, and concrete blocks are arranged among the coaming, the cavity A, the cavity B and the connecting plates;
the lower end of the support column is matched with the cavity B, and the lower end of the support column is provided with a shear pin D;
the support pile comprises a plurality of spliced sub-piles, each sub-pile comprises a weather-resistant steel pipe, an annular concrete pile is arranged in the weather-resistant steel pipe, a threaded sleeve and a connecting steel plate are arranged between two adjacent sub-piles, the lower end face of the sub-pile located above and the upper end face of the sub-pile located below are both provided with a big end stud and a small end stud, and the big end stud and the small end stud are arranged in the threaded sleeve.
2. The fabricated concrete filled steel tube pile foundation of claim 1, wherein: a through hole is arranged at the bottom of the cavity A.
3. The fabricated concrete filled steel tube pile foundation of claim 1, wherein: the large-small head stud comprises a stud A with a large diameter and a stud B with a small diameter, wherein the stud A is screwed with a threaded sleeve on the lower end face of the upper sub-pile, and the stud B is inserted into the threaded sleeve on the upper end face of the lower sub-pile.
4. A method of constructing an assembled concrete filled steel tube pile comprising the assembled concrete filled steel tube pile of claim 1, wherein:
(1) Conveying the split piles to a construction site, driving the split piles to a designated position of a foundation, filling high-strength cement-based grouting materials in a threaded sleeve of the upper end face of the split piles driven into the foundation, taking the split piles driven into the foundation as lower piles, screwing a stud A of a big-end stud into the threaded sleeve of the split piles which are not driven into the foundation, taking the unfinished split piles as upper piles, hoisting the upper piles, aligning, inserting a stud B of the big-end stud at the bottom of the upper piles into the threaded sleeve of the lower piles, extruding the high-strength cement-based grouting materials in the threaded sleeve when the stud B is inserted into the threaded sleeve, overflowing the high-strength cement-based grouting materials onto a connecting steel plate, bonding the connecting steel plate of the lower end face of the upper piles with the connecting steel plate of the upper end face of the lower piles, cleaning the periphery of the joint of the upper piles and the lower piles, taking a weather-resistant steel pipe of the split piles which are used as the upper piles, continuously driving the connected split piles into the designated height, taking the unfinished split piles as the split piles, and repeatedly installing the split piles as the lower piles which are designed to be the upper piles, and installing the split piles until the high-pile is completed;
(2) After the installation of the support pile is completed, welding an annular bracket and a shear stud A at the upper end of the support pile, conveying the bearing platform to a construction site, hoisting the bearing platform to the installed support pile, enabling the upper end of the support pile to penetrate through a through hole of the cavity A and extend into the cavity A, supporting the bearing platform by the annular bracket, pouring a high-strength cement-based grouting material into the cavity A, connecting the support pile and the bearing platform into a whole, and completing the installation of the bearing platform;
(3) After the bearing platform is installed, the shear stud D is welded to the lower end of the supporting column, then the supporting column is hoisted, the supporting column is inserted into a cavity B of the bearing platform, then high-strength cement-based grouting material is poured into the cavity B, the supporting column and the bearing platform are connected into a whole, and connection of the supporting column is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521545.1A CN109403366B (en) | 2018-12-13 | 2018-12-13 | Assembled steel pipe concrete pile foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521545.1A CN109403366B (en) | 2018-12-13 | 2018-12-13 | Assembled steel pipe concrete pile foundation and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403366A CN109403366A (en) | 2019-03-01 |
| CN109403366B true CN109403366B (en) | 2024-01-16 |
Family
ID=65458748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521545.1A Active CN109403366B (en) | 2018-12-13 | 2018-12-13 | Assembled steel pipe concrete pile foundation and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109403366B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826222B (en) * | 2019-03-25 | 2023-12-08 | 福州大学 | Structure for reinforcing pile table connection and construction method thereof |
| CN109989415B (en) * | 2019-05-06 | 2021-05-28 | 河南绿建建筑科技有限公司 | Construction method of fabricated foundation |
| CN112376603A (en) * | 2020-11-05 | 2021-02-19 | 上海电气风电集团股份有限公司 | Assembly type fan foundation and assembly method thereof |
| CN113638435B (en) * | 2021-08-20 | 2022-09-06 | 广东精特建设工程有限公司 | Concrete pipe pile with transverse damage resistance and floating resistance functions and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060064994A (en) * | 2004-12-09 | 2006-06-14 | 노춘복 | A pile head reinforcement structure of precastconcrete pile |
| CN1912254A (en) * | 2006-08-11 | 2007-02-14 | 胡柏英 | Prestressed concrete steel pipe congruent pile and its manufacture and construction method |
| CN104480958A (en) * | 2014-12-12 | 2015-04-01 | 中交公路规划设计院有限公司 | Bridge prefabricated bearing platform and bridge construction method |
| CN204298725U (en) * | 2014-11-18 | 2015-04-29 | 中铁大桥局集团有限公司 | A kind of novel underwater support table |
| CN106758790A (en) * | 2017-02-06 | 2017-05-31 | 上海应用技术大学 | A kind of precast construction and construction method of bridge substructure construction |
| CN209798804U (en) * | 2018-12-13 | 2019-12-17 | 福州大学 | assembled concrete-filled steel tube pile foundation |
-
2018
- 2018-12-13 CN CN201811521545.1A patent/CN109403366B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060064994A (en) * | 2004-12-09 | 2006-06-14 | 노춘복 | A pile head reinforcement structure of precastconcrete pile |
| CN1912254A (en) * | 2006-08-11 | 2007-02-14 | 胡柏英 | Prestressed concrete steel pipe congruent pile and its manufacture and construction method |
| CN204298725U (en) * | 2014-11-18 | 2015-04-29 | 中铁大桥局集团有限公司 | A kind of novel underwater support table |
| CN104480958A (en) * | 2014-12-12 | 2015-04-01 | 中交公路规划设计院有限公司 | Bridge prefabricated bearing platform and bridge construction method |
| CN106758790A (en) * | 2017-02-06 | 2017-05-31 | 上海应用技术大学 | A kind of precast construction and construction method of bridge substructure construction |
| CN209798804U (en) * | 2018-12-13 | 2019-12-17 | 福州大学 | assembled concrete-filled steel tube pile foundation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109403366A (en) | 2019-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109403366B (en) | Assembled steel pipe concrete pile foundation and construction method thereof | |
| CN104746422B (en) | A kind of hollow pier stud delay-pour joint structure of bridge prefabrication and construction method | |
| CN104294753B (en) | A kind of hollow pier stud syndeton of bridge prefabrication and construction | |
| WO2020001156A1 (en) | Bridge and bridge pier thereof | |
| CN108457421B (en) | Manufacturing die and manufacturing method of assembled reinforced concrete U-shaped frame beam | |
| CN110259184B (en) | Column pulling construction method based on joist and column pulling combined supporting and jacking system | |
| CN108505433B (en) | Pier structure and construction method thereof | |
| CN101831875A (en) | Precast assembly process of prestressed concrete cylindrical hollow pier | |
| CN103422512B (en) | Replaceable pre-embedded bolt formula wind generation set concrete foundation and construction method thereof | |
| CN202000251U (en) | Cylindrical hollow prefabricated prestressed concrete pier structure | |
| CN107386127A (en) | A kind of bridge pier assembly device | |
| CN204097864U (en) | A kind of bridge prefabrication hollow pier stud delay-pour joint structure | |
| CN110644667B (en) | Assembly type bin top structure of round storage bin and assembly method thereof | |
| CN218508257U (en) | Prefabricated assembled pier stud of back muscle method | |
| CN209907420U (en) | Wet joint structure among bridge pier, bearing platform and pile foundation | |
| CN209798804U (en) | assembled concrete-filled steel tube pile foundation | |
| CN110644473A (en) | Circular-section concrete prefabricated pile cap and installation method | |
| CN115467249A (en) | Rear rib method assembly type pier stud construction method | |
| CN211228467U (en) | Circular cross section concrete precast pile cap | |
| CN209854778U (en) | Post-cast strip support-free structure | |
| CN211114321U (en) | Assembly type bin top structure of round storage bin | |
| CN107254872A (en) | Pile for prestressed pipe stake bottom floating sealing device and its control method | |
| CN109898540B (en) | Wet joint structure among bridge pier, bearing platform and pile foundation and construction process thereof | |
| CN105673354A (en) | Connecting structure of concrete tower drum and steel tower drum | |
| CN112196183A (en) | Concrete-filled steel tube optimized structure adopted in vertical structure and steel tube support mounting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |