CN113293703A - Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof - Google Patents
Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof Download PDFInfo
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- CN113293703A CN113293703A CN202110533951.5A CN202110533951A CN113293703A CN 113293703 A CN113293703 A CN 113293703A CN 202110533951 A CN202110533951 A CN 202110533951A CN 113293703 A CN113293703 A CN 113293703A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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Abstract
The invention relates to the technical field of municipal bridge construction, in particular to a template-free prefabricated superposed assembly type pier column-bearing platform structure and a construction method thereof. The cast-in-place pier stud core concrete is poured in the prefabricated pier stud shell, the cast-in-place pier stud sandwich concrete is poured in the prefabricated pile stud shell, the steel sleeve is sleeved at the lower part of the prefabricated pier stud shell, long and short shear nails are arranged in the steel sleeve, and the steel sleeve is connected with the prefabricated pier stud shell through the short shear nails; the steel sleeve is connected with the core concrete of the cast-in-place pier stud through long shear nails, and a plurality of perforated rib plates are fixed on the outer part of the steel sleeve, which is vertical to the side face at equal intervals. The invention obviously enhances the connection performance and the anti-seismic performance of the pier column-bearing platform structure, greatly reduces the processes of erecting, dismantling and the like of the templates in the construction site, reduces the high-precision requirement and the hoisting weight of the prefabricated assembly positioning, and obviously accelerates the construction progress.
Description
Technical Field
The invention relates to the technical field of municipal bridge construction, in particular to a pier stud-bearing platform connection pile foundation structure, and specifically relates to a template-free prefabricated superposed assembly type pier stud-bearing platform structure and a construction method thereof.
Background
The urban bridge substructure in China mainly adopts a cast-in-place construction process at present, and the construction method has obvious defects, seriously influences urban traffic trip and pollutes the environment. With the continuous deepening and development of the green traffic concept in China, the structure is required to be safe and durable, and negative effects brought to the quality of life of people by construction are required to be reduced to the greatest extent by improving design and construction technologies. Therefore, the prefabrication and assembly technology of factory production, standardization, prefabrication and assembly becomes the inevitable development trend of the whole transportation industry and even the building field.
In recent years, prefabricated assembled piers mainly connected by grouting sleeves and mechanical sleeves have been developed at home and abroad, and have remarkable advantages, but obvious disadvantages exist: (1) the construction process is very complex, and the compactness of the grouting material is difficult to ensure; (2) the butt joint aperture of the reserved steel bar and the grouting sleeve is small, and the construction precision requirement is high; (3) the connection structure is easily broken. For the grouting sleeve connection mode, the grouting sleeve or the steel bar is difficult to be ensured not to be pulled out under the action of repeated loads such as earthquake and the like; for a mechanical sleeve, the section of the steel bar is suddenly changed to easily cause brittle fracture; (4) the requirement of construction machinery equipment is high. The fully prefabricated pier stud is heavy and has high requirements on hoisting mechanical equipment, a grouting machine is required for grouting sleeve construction, and a pier roughing machine, a wire twisting machine and the like are required for mechanical sleeve construction; (5) the material cost is increased, and the development of special grouting materials and the like is required.
Although a great deal of research has been carried out on the prefabricated pier column-bearing platform structure and certain results have been obtained, due to the defects, the demand for the prefabricated assembled pier column-bearing platform structure which is simpler and more reliable in connection is still very urgent.
Disclosure of Invention
The invention overcomes the defects of the traditional integral cast-in-place and the two prefabricated assembled pier column-bearing platform structures (grouting sleeve and mechanical sleeve), not only increases the connection integrity of the pier and the bearing platform, improves the shock resistance, but also reduces the high precision requirement and hoisting weight of the prefabricated assembled connection technology, and simultaneously can obviously reduce the formwork erection and formwork removal procedures of a construction site and accelerate the construction progress, and provides the template-free prefabricated superposed assembled pier column-bearing platform structure and the construction method thereof.
The invention adopts the following technical scheme: a template-free prefabricated superposed assembly type pier stud-cushion cap structure comprises a prefabricated pier stud shell, a prefabricated cushion cap shell and a steel sleeve, wherein longitudinal steel bars and stirrups are arranged in the prefabricated pier stud shell, cast-in-situ pier stud core concrete is poured in the prefabricated pier stud shell, cast-in-situ cushion cap core concrete is poured in the prefabricated cushion cap shell, the steel sleeve is sleeved at the lower part of the prefabricated pier stud shell, long and short shear nails are arranged in the steel sleeve, and the steel sleeve is connected with the prefabricated pier stud shell through the short shear nails; the steel sleeve is connected with the core concrete of the cast-in-place pier stud through long shear nails, and a plurality of perforated rib plates are fixed on the outer part of the steel sleeve, which is vertical to the side face at equal intervals.
Furthermore, the rectangular holes through which the longitudinal and transverse steel bars can pass are formed in the perforated rib plates.
Furthermore, the four side surfaces of the prefabricated bearing platform shell are provided with preformed holes with preset size, interval and number, and the longitudinal and transverse reinforcing steel bars pass through the rectangular holes of the perforated rib plates and simultaneously pass through the preformed holes to form longitudinal and transverse reinforcing steel bar nets; the prefabricated pile cap shell bottom set up pile foundation connection preformed hole with pile foundation corresponding position department.
A construction method of a template-free prefabricated superposed assembly type pier column-bearing platform structure comprises the following steps.
S100, manufacturing a steel sleeve, welding long and short shear nails inside the steel sleeve, and meanwhile, welding perforated rib plates of rectangular holes at equal intervals outside the steel sleeve, wherein the perforated rib plates are perpendicular to the side face of the steel sleeve.
S200, constructing a prefabricated pier column shell in a prefabrication field, positioning a steel sleeve on a platform in the prefabrication field, binding longitudinal steel bars and stirrups of the prefabricated pier column shell, erecting a template, pouring concrete to form the prefabricated pier column shell, and curing the concrete after the concrete is formed.
S300, constructing a prefabricated bearing platform shell on a platform in a prefabricated yard, firstly binding a reinforcement cage of the prefabricated bearing platform shell, erecting a template, pouring concrete to form the prefabricated bearing platform shell with a preformed hole on the side surface and a pile foundation connecting preformed hole on the bottom surface, and curing the concrete after the concrete is formed.
S400, assembling and positioning, namely transporting the prefabricated pier stud shell and the prefabricated bearing platform shell to a construction site, and positioning and installing.
S500, overlapping and forming, namely penetrating longitudinal and transverse steel bars into a reserved hole of a shell of the prefabricated bearing platform, simultaneously penetrating the longitudinal and transverse steel bars through a rectangular hole of a perforated rib plate outside a steel sleeve, and forming a longitudinal and transverse steel bar mesh by the longitudinal and transverse steel bars; pouring pier stud core concrete and bearing platform sandwich concrete, and superposing to form a whole.
The step S400 specifically adopts the following method,
s401, positioning and installing the prefabricated bearing platform shell at the design position of a pier by using hoisting equipment, and inserting the main stressed steel bars of the pile foundation into the prefabricated bearing platform shell through the pile foundation connection preformed hole.
S402, fixing the prefabricated pier stud shell and the steel sleeve which is fixed into a whole with the prefabricated pier stud shell in the middle of the prefabricated bearing platform shell through hoisting equipment, and adjusting the verticality and the horizontal position of the prefabricated pier stud shell to meet the design requirements.
In step S500, the pier stud core concrete and the bearing platform sandwich concrete are simultaneously poured, so as to ensure that the pile foundation and the pier stud-bearing platform structure are overlapped to form a whole.
Compared with the prior art, the invention has the following beneficial effects:
(1) the template-free prefabricated superposed assembly type pier column-bearing platform structure fully exerts the characteristic that the prefabricated pier column shell and the prefabricated bearing platform shell are not required to be dismantled as templates, and reduces the on-site formwork erecting-dismantling process and the on-site concrete pouring amount; compared with a fully prefabricated pier stud-bearing platform structure, the hoisting weight can be obviously reduced, the high-precision requirement of assembling and positioning is reduced, and the construction speed is high.
(2) According to the template-free prefabricated overlapped assembly type pier column-bearing platform structure, prefabricated components (a prefabricated pier column shell and a prefabricated bearing platform shell) are used as templates, core concrete of a cast-in-place pier column and sandwich concrete of the cast-in-place bearing platform are integrally poured, the pier column, the bearing platform and a pile foundation are integrally formed by overlapping longitudinal and transverse reinforcing mesh, perforated rib plates, long and short shear nails and the like with the prefabricated components, the mechanical property is equivalent to that of a full cast-in-place concrete pier column, and the anti-seismic property of the prefabricated assembled pier column-bearing platform structure is improved.
(3) The template-free prefabricated superposed assembly type pier column-bearing platform structure adopts common concrete, has obviously lower material cost than prefabricated assembled pier columns adopting grouting sleeves and mechanical sleeves, does not need special construction equipment and grouting materials, and effectively avoids the possible pulling-out damage of the grouting sleeves and the possible brittle fracture damage of the mechanical sleeves; compared with a steel pipe concrete pier column, the steel is greatly saved, the durability is good, and the economic benefit is more prominent.
Drawings
FIG. 1 is a schematic elevation view of a template-free prefabricated assembly-type pier stud-bearing platform structure of the present invention;
FIG. 2 is a schematic view of a steel sleeve with perforated rib plates for the template-free prefabricated assembly type pier stud-bearing platform structure of the present invention;
FIG. 3 is a schematic illustration of steel sleeve fabrication;
FIG. 4 is a schematic view illustrating the fabrication of a prefabricated pier stud shell;
FIG. 5 is a schematic view illustrating fabrication of a prefabricated cap shell;
FIG. 6 is a schematic view of the positioning of the assembly;
FIG. 7 is a schematic view of a hybrid type;
in the figure: 1. prefabricating a pier stud shell; 2. pouring the core concrete of the pier stud in situ; 3. prefabricating a bearing platform shell; 4. pouring the sandwich concrete of the bearing platform in situ; 5. a steel sleeve; 6, forming a hole rib plate; 7. reserving a hole; 8. a rectangular hole; 9. longitudinal and transverse reinforcing mesh; 10, hooping; 11. longitudinal reinforcing steel bars; 12. a long and short shear pin; 13. pile foundation connection preformed hole.
Detailed Description
The accompanying drawings disclose, without limitation, schematic structural diagrams of preferred embodiments of the present invention, and the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment is implemented by the following technical solutions: the prefabricated pier stud comprises a prefabricated pier stud shell 1, a prefabricated pile cap shell 3 and a steel sleeve 5, wherein longitudinal steel bars 11 and stirrups 10 are arranged in the prefabricated pier stud shell 1, cast-in-situ pier stud core concrete 2 is poured in the prefabricated pier stud shell 1, cast-in-situ pile cap core concrete 4 is poured in the prefabricated pile cap shell 3, the steel sleeve 5 is sleeved at the lower part of the prefabricated pier stud shell 1, long and short shear nails 12 are arranged in the steel sleeve 5, and the steel sleeve 5 is connected with the prefabricated pier stud shell 1 through the short shear nails; the steel sleeve 5 is connected with the cast-in-place pier stud core concrete 2 through long shear nails, and a plurality of perforated rib plates 6 are fixed on the outer part of the steel sleeve 5, perpendicular to the side face, at equal intervals; the perforated rib plate 6 is provided with a rectangular hole 8 through which the longitudinal and transverse steel bars can pass.
The thickness of the prefabricated pier stud shell and the thickness of the prefabricated bearing platform shell are 10-30 cm; and longitudinal steel bars 11 in the prefabricated pier stud shell 1 are inserted into the prefabricated bearing platform shell 3, cast together with the cast-in-place bearing platform sandwich concrete 4 and the cast-in-place pier stud core concrete 2, and are overlapped to form a whole.
As shown in fig. 2, long and short shear nails 12 are arranged inside the steel sleeve 5, and perforated rib plates 6 are arranged outside the steel sleeve 5 and perpendicular to the side surface of the steel sleeve at equal intervals; the hole that trompil floor 6 set up is rectangle hole 8 for the vertical and horizontal reinforcing bar that penetrates can freely adjust the position.
Four sides of the prefabricated bearing platform shell 3 form circular preformed holes 7 with preset size, interval and quantity through pre-buried corrugated pipes, reinforcing steel bars penetrate through the preformed holes 7, and the reinforcing steel bars penetrate through rectangular holes 8 of the perforated rib plates 6 to form longitudinal and transverse reinforcing steel bar nets 9.
As shown in fig. 3, the construction method of the template-free prefabricated superposed assembled pier stud-bearing platform structure comprises the following steps.
S100, manufacturing a steel sleeve 5, welding long and short shear nails 12 inside the steel sleeve 5, and meanwhile, welding perforated rib plates 6 of rectangular holes at equal intervals outside the steel sleeve and perpendicular to the side face of the steel sleeve.
S200, constructing a prefabricated pier stud shell 1 in a prefabricated field, positioning a steel sleeve 5 on a platform in the prefabricated field, binding longitudinal steel bars 11 and stirrups 10 of the prefabricated pier stud shell 1, erecting a template, pouring concrete to form the prefabricated pier stud shell 1, and curing the concrete after the concrete is formed.
S300, constructing the prefabricated bearing platform shell 3 on a platform in a prefabricated yard, firstly binding a reinforcement cage of the prefabricated bearing platform shell 3, erecting a template, laying a corrugated pipe, pouring concrete to form the prefabricated bearing platform shell 3 with the side surface provided with the preformed hole 7 and the bottom surface provided with the pile foundation connecting preformed hole 13, and curing the concrete after the concrete is formed.
S400, assembling and positioning, namely transporting the prefabricated pier stud shell 1 and the prefabricated bearing platform shell 3 to a construction site for positioning and installation;
the step S400 specifically adopts the following method,
s401, positioning and installing the prefabricated pile cap shell 3 at the design position of a pier by using hoisting equipment, and inserting the main stressed steel bars of the pile foundation into the prefabricated pile cap shell 3 through the pile foundation connection preformed hole 13.
S402, fixing the prefabricated pier stud shell 1 and the steel sleeve 5 which is fixed into a whole with the prefabricated pier stud shell in the middle of the prefabricated bearing platform shell 3 through hoisting equipment, and adjusting the verticality and the horizontal position of the prefabricated pier stud shell 1 to meet the design requirements.
S500, overlapping and forming, namely penetrating longitudinal and transverse steel bars into a preformed hole 7 of the prefabricated bearing platform shell 1, penetrating the longitudinal and transverse steel bars through a rectangular hole 8 of a perforated rib plate 6 outside the steel sleeve, and forming a longitudinal and transverse steel bar mesh 9 by the longitudinal and transverse steel bars. And synchronously pouring pier column core concrete and bearing platform sandwich concrete, and superposing to form a whole.
In the embodiment, the processes of on-site formwork erection and formwork removal in the traditional cast-in-place process are obviously reduced by prefabricating the pier stud shell 1 and the prefabricated bearing platform shell 3; compared with the fully prefabricated pier stud, the hoisting weight can be obviously reduced; compared with grouting sleeves and mechanical sleeves, the high-precision requirement of the prefabricated splicing connection technology on construction positioning is reduced, the construction process is simplified, and the construction progress is effectively accelerated; meanwhile, the core concrete 2 of the cast-in-place pier column and the core concrete 4 of the cast-in-place bearing platform are integrally poured and are overlapped with the prefabricated pier column shell 1 and the prefabricated bearing platform shell 3 to form a whole, the integral mechanical property of the pier is ensured, the respective advantages of the prefabrication and cast-in-place processes are fully exerted, and the industrialized, standardized, prefabricated and assembled production of the bridge is effectively promoted.
Claims (7)
1. The utility model provides a prefabricated coincide assembled pier stud-cushion cap structure of exempting from template which characterized in that: the cast-in-place pier stud core concrete structure comprises a prefabricated pier stud shell (1), cast-in-place pier stud core concrete (2), a prefabricated bearing platform shell (3), cast-in-place bearing platform core concrete (4) and a steel sleeve (5) with an open pore rib plate, wherein longitudinal steel bars (11) and stirrups (10) are arranged in the prefabricated pier stud shell (1), the cast-in-place pier stud core concrete (2) is poured in the prefabricated pier stud shell (1), the cast-in-place bearing platform core concrete (4) is poured in the prefabricated bearing platform shell (3), the steel sleeve (5) is arranged at the lower part of the prefabricated pier stud shell (1), long and short shear nails (12) are arranged in the steel sleeve (5), and the steel sleeve (5) is connected with the prefabricated pier stud shell (1) through the short shear nails; the steel sleeve (5) is connected with the cast-in-place pier stud core concrete (2) through long shear nails, and a plurality of perforated rib plates (6) are fixed on the outer part of the steel sleeve (5) perpendicular to the side face at equal intervals.
2. The template-free prefabricated superposed assembled pier stud-bearing platform structure according to claim 1, which is characterized in that: the perforated rib plate (6) is provided with a rectangular hole (8) through which the longitudinal and transverse steel bars can pass.
3. The form-free prefabricated overlapped assembled pier column-cap structure according to claim 1, wherein pile foundation connection preformed holes (13) are formed at the bottom of the prefabricated cap shell (3) at positions corresponding to pile foundations.
4. The template-free prefabricated superposed assembled pier stud-bearing platform structure according to claim 1, which is characterized in that: the prefabricated pile cap shell (3) is characterized in that reserved holes (7) with preset size, interval and number are formed in four side faces of the prefabricated pile cap shell (3), and longitudinal and transverse steel bars penetrate through rectangular holes (8) of perforated rib plates and penetrate through the reserved holes (7) to form longitudinal and transverse steel bar nets (9).
5. A construction method of a form-free prefabricated overlapping assembly type pier column-platform structure according to claim 1, 2, 3 or 4, which comprises: comprises the following steps of (a) carrying out,
s100, manufacturing a steel sleeve (5), welding long and short shear nails (12) inside the steel sleeve (5), and meanwhile, welding perforated rib plates (6) with rectangular holes at equal intervals outside the steel sleeve and perpendicular to the side surface of the steel sleeve;
s200, constructing a prefabricated pier stud shell (1) in a prefabricated field, positioning a steel sleeve (5) on a platform in the prefabricated field, binding a longitudinal steel bar (11) and a stirrup (10) of the prefabricated pier stud shell (1), erecting a template, pouring concrete to form the prefabricated pier stud shell (1), and curing the concrete after the concrete is formed;
s300, constructing a prefabricated bearing platform shell (3) on a platform in a prefabricated yard, firstly binding a reinforcement cage of the prefabricated bearing platform shell (3), erecting a template, pouring concrete to form the prefabricated bearing platform shell (3) with a preformed hole (7) on the side surface and a pile foundation connecting preformed hole (13) on the bottom surface, and curing the concrete after the concrete is formed;
s400, assembling and positioning, namely transporting the prefabricated pier stud shell (1) and the prefabricated bearing platform shell (3) to a construction site for positioning and installation;
s500, overlapping and forming, namely penetrating longitudinal and transverse steel bars into a preformed hole (7) in the side surface of the prefabricated bearing platform shell (3), simultaneously penetrating the longitudinal and transverse steel bars through a rectangular hole (8) of a perforated rib plate (6) outside a steel sleeve, and forming a longitudinal and transverse steel bar mesh (9) by the longitudinal and transverse steel bars; pouring pier stud core concrete (2) and bearing platform sandwich concrete (4), and superposing to form a whole.
6. The construction method of the template-free prefabricated overlapping assembly type pier column-bearing platform structure according to claim 5, wherein: the step S400 specifically adopts the following method,
s401, positioning and installing the prefabricated pile cap shell (3) at a design position of a pier by using hoisting equipment, and inserting the pile foundation main stress steel bars into the prefabricated pile cap shell (3) through the pile foundation connection preformed holes (13);
s402, fixing the prefabricated pier stud shell (1) and the steel sleeve (5) which is fixed into a whole with the prefabricated pier stud shell in the middle of the prefabricated bearing platform shell (3) through hoisting equipment, and adjusting the verticality and the horizontal position of the prefabricated pier stud shell (1) to meet the design requirements.
7. The construction method of the template-free prefabricated superposed assembly type pier column-bearing platform structure according to claim 6, which is characterized in that: in the step S500, the pier stud core concrete (2) and the bearing platform sandwich concrete (4) are simultaneously poured, and the pile foundation and the pier stud-bearing platform structure are overlapped to form a whole.
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| CN202110533951.5A CN113293703A (en) | 2021-05-17 | 2021-05-17 | Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof |
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| CN202110533951.5A CN113293703A (en) | 2021-05-17 | 2021-05-17 | Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737636A (en) * | 2021-09-18 | 2021-12-03 | 西安市政设计研究院有限公司 | Steel-concrete combined connecting structure suitable for assembly type pier stud and construction method thereof |
| CN114960426A (en) * | 2022-04-20 | 2022-08-30 | 西安科技大学 | Steel inner die for concrete bridge tower anchoring area and construction method thereof |
| CN117758601A (en) * | 2024-02-21 | 2024-03-26 | 湖南省交通规划勘察设计院有限公司 | Assembled pier without bearing platform for high-intensity areas and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192730A (en) * | 2016-08-01 | 2016-12-07 | 上海应用技术学院 | A kind of steel bushing precast splice type bridge pier of band WELDING STUDS |
| CN207419230U (en) * | 2017-07-27 | 2018-05-29 | 长安大学 | More limb hollow combination tower piers |
| WO2019056717A1 (en) * | 2017-09-21 | 2019-03-28 | 中国建筑股份有限公司 | Post-tensioned prestressed assembly-style system of concrete framework and shock-resistant and energy-dissipating components, and construction method |
| CN210238552U (en) * | 2019-06-04 | 2020-04-03 | 中铁上海设计院集团有限公司 | Basin type superposed prefabricated bearing platform |
| CN112761176A (en) * | 2020-12-26 | 2021-05-07 | 北京工业大学 | Socket and embedded steel bar combined prefabricated hollow pier-bearing platform connection method and structure |
-
2021
- 2021-05-17 CN CN202110533951.5A patent/CN113293703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192730A (en) * | 2016-08-01 | 2016-12-07 | 上海应用技术学院 | A kind of steel bushing precast splice type bridge pier of band WELDING STUDS |
| CN207419230U (en) * | 2017-07-27 | 2018-05-29 | 长安大学 | More limb hollow combination tower piers |
| WO2019056717A1 (en) * | 2017-09-21 | 2019-03-28 | 中国建筑股份有限公司 | Post-tensioned prestressed assembly-style system of concrete framework and shock-resistant and energy-dissipating components, and construction method |
| CN210238552U (en) * | 2019-06-04 | 2020-04-03 | 中铁上海设计院集团有限公司 | Basin type superposed prefabricated bearing platform |
| CN112761176A (en) * | 2020-12-26 | 2021-05-07 | 北京工业大学 | Socket and embedded steel bar combined prefabricated hollow pier-bearing platform connection method and structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737636A (en) * | 2021-09-18 | 2021-12-03 | 西安市政设计研究院有限公司 | Steel-concrete combined connecting structure suitable for assembly type pier stud and construction method thereof |
| CN114960426A (en) * | 2022-04-20 | 2022-08-30 | 西安科技大学 | Steel inner die for concrete bridge tower anchoring area and construction method thereof |
| CN117758601A (en) * | 2024-02-21 | 2024-03-26 | 湖南省交通规划勘察设计院有限公司 | Assembled pier without bearing platform for high-intensity areas and construction method |
| CN117758601B (en) * | 2024-02-21 | 2024-06-07 | 湖南省交通规划勘察设计院有限公司 | Assembled pier without bearing platform for high-intensity areas and construction method |
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