CN114991207B - Supporting column for lifting construction of ultra-large span steel corridor on subway - Google Patents
Supporting column for lifting construction of ultra-large span steel corridor on subway Download PDFInfo
- Publication number
- CN114991207B CN114991207B CN202210650907.7A CN202210650907A CN114991207B CN 114991207 B CN114991207 B CN 114991207B CN 202210650907 A CN202210650907 A CN 202210650907A CN 114991207 B CN114991207 B CN 114991207B
- Authority
- CN
- China
- Prior art keywords
- column
- concrete
- lower chord
- steel
- ribs
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to a supporting column for lifting construction of an ultra-large-span steel corridor on a subway. The bridge connecting bridge comprises a base, wherein a variable cross section column is arranged above the base, a horizontal haunching wall is arranged on the upper end face of the variable cross section column, a concrete column is arranged on the right portion of the upper end face of the variable cross section column, the horizontal haunching wall is rotatably arranged through a spring support to form a bridge connecting lower chord steel beam in a 'shape', the bridge connecting lower chord steel beam upper end face is fixedly provided with a bridge connecting lower chord side support and a bridge connecting lower chord girder, the included angle of the bridge connecting lower chord steel beam is sequentially and horizontally rotated and fixedly provided with a bridge connecting lower chord side support and a bridge connecting lower chord girder, a concrete floor beam in a 'T' shape is arranged at the bottom of the concrete column, a concrete torsion-resistant secondary beam is fixedly arranged on the concrete floor beam, and a damper is arranged between the concrete floor beam and the bridge connecting lower chord girder. The invention has the advantages of quick erection, large carrying capacity, strong adaptability, adaptability to narrow space of construction sites and short construction period.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a supporting column for lifting construction of an ultra-large-span steel corridor on a subway.
Background
In subway engineering construction, the steel corridor construction method is mainly used for high-altitude crossing operation. In the subway engineering, the subway tunnel is shallow buried under the original soil surface by about 1.8-2.5 m, and the ground load is limited by 20KN/m 2 The supporting piles are arranged on two sides of the tunnel to strengthen the construction system, so that the bearing capacity of the installation of a 100t crawler crane walking lattice type lifting well-shaped frame (capable of bearing 1500 t) is met, the horizontal splicing and lifting of the main stressed truss of the corridor are completed, and the problem of load limiting of the subway upper cover is solved.
Therefore, the steel corridor for subway engineering has the characteristics of large span, high height, large construction load and high construction process requirement. The invention designs a supporting column aiming at the characteristics of construction of an ultra-large span steel corridor in subway engineering, which not only can meet the requirements of construction technology, but also can bear a supporting column with larger bearing capacity.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a supporting column for the lifting construction of an oversized span steel corridor on a subway, and the supporting column adopts a template pouring construction method, thereby meeting the requirements of large bearing force and uniform stress of the supporting column for the construction of the oversized span corridor.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a support column for construction is promoted to super large-span steel corridor on subway, including the base, the base top sets up the variable cross section post, is provided with the level on the variable cross section post up end and adds the armpit, the right part of variable cross section post up end is provided with the concrete column, the level adds the armpit up end and rotates the bridge lower chord girder steel that sets up to be ">" shape through the spring bracket, and the bridge lower chord girder steel up end is fixed to be the bridge steel column of vertical setting, and the contained angle department of bridge lower chord girder steel is fixed setting up in proper order the horizontal rotation and is even bridge lower chord side support, the bridge lower chord girder, and the concrete column bottom is provided with the concrete floor roof beam that is "T" shape, wherein keeps away from the concrete floor roof beam of horizontal haunching direction's the both sides respectively fixed setting concrete antitorque secondary beam, is provided with the attenuator between concrete floor roof beam and the bridge lower chord girder steel.
Further, the damper is a viscous damper, and the spring support is a bidirectional spring support.
Further, two concrete torsion-resistant secondary beams are arranged in parallel.
Further, the horizontal haunching comprises a steel buried plate, a side auxiliary buried plate, an auxiliary buried plate and a support buried plate, wherein the steel buried plate, the side auxiliary buried plate, the auxiliary buried plate and the support buried plate enclose a closed space, and concrete is poured into the closed space.
Further, the steel buried plate is fixedly arranged on the upper end face of the variable-section column in an L shape, and the vertical part of the steel buried plate is fixedly connected with the concrete column.
Further, the upper side surface of the variable-section column is provided with a support bracket at a position corresponding to the horizontal haunching.
Further, the base, the variable cross section column and the concrete column are of an integrated reinforced concrete structure.
Further, column longitudinal ribs are arranged in the base and the variable-section column, column hooping ribs are arranged around the column longitudinal ribs, a plurality of first hooping ribs and a plurality of second hooping ribs are respectively arranged in a quadrilateral formed by the column hooping ribs, and the first hooping ribs and the second hooping ribs are vertically arranged.
Further, column hoop ribs in the base are vertically arranged; the column hoop ribs in the variable-section column are radially arranged along with the section change direction of the variable-section column.
Further, be provided with the post in the concrete column and indulge the muscle, the post is indulged the muscle and is enclosed and be equipped with the post stirrup, is provided with a plurality of first stirrups and a plurality of second stirrups respectively in the quadrangle that the post stirrup constitutes, and first stirrup and second stirrup set up perpendicularly, the post that sets up in the concrete column indulges the muscle and inserts in the variable cross section post.
Compared with the prior art, the invention has the following beneficial effects:
the support column is uniformly stressed, the structural design adopts a three-dimensional finite element model design, the connecting rod connection is realized through the bridge lower chord steel beam, the bridge lower chord side support, the bridge lower chord main beam, the concrete torsion-resistant secondary beam and the concrete floor beam, the additional load on steel frameworks such as steel trusses in the corridor design is small, and the requirements of balance stability and bearing reliability in the vertical rotation operation of the steel frameworks are met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a block diagram of the horizontal haunching according to the present invention;
FIG. 3 is a reinforcement view of the foundation, the variable cross-section column, the concrete column of the present invention;
fig. 4 is a bar arrangement of a cross section of a base according to the invention.
In the figure: 1. a base; 2. a variable cross-section column; 3. horizontal haunching; 4. a damper; 5. the bridge lower chord steel girder and the bridge lower chord side support are connected; 7. a bridge lower chord main beam; 8. a concrete floor beam; 9. a bridge steel column; 10. a concrete column; 11. a concrete torsion-resistant secondary beam; 12. a spring support; 13. the side surface assists the buried plate; 14. auxiliary buried plates; 15. burying a plate on a support; 16. column longitudinal ribs; 17. column stirrups; 18. a first stirrup; 19. a second stirrup; 20. a bracket; 21. a steel buried plate; 22. concrete column longitudinal ribs.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, the technical scheme adopted by the invention is as follows:
a support column for construction is promoted to super large-span steel corridor on subway, includes base 1, and base 1 top sets up variable cross section post 2, and the right part of variable cross section post 2 up end is provided with concrete column 10. The base 1, the variable cross section column 2 and the concrete column 10 are of an integrated reinforced concrete structure.
Column longitudinal ribs 16 are arranged in the base 1 and the variable-section column 2, column hoops 17 are arranged around the column longitudinal ribs 16, a plurality of first hoops 18 and a plurality of second hoops 19 are respectively arranged in a quadrilateral formed by the column hoops 17, and the first hoops 18 and the second hoops 19 are vertically arranged.
The column hoop ribs 17 in the base 1 are vertically arranged; the column hoop ribs 17 in the variable cross-section column 2 are radially arranged along with the direction of the section change of the variable cross-section column 2.
The concrete column 10 is internally provided with column longitudinal ribs 16, column longitudinal ribs 16 are surrounded with column stirrups 17, a plurality of first stirrups 18 and a plurality of second stirrups 19 are respectively arranged in a quadrilateral formed by the column stirrups 17, the first stirrups 18 and the second stirrups 19 are vertically arranged, and the column longitudinal ribs 16 arranged in the concrete column 10 are inserted into the variable-section column 2.
First, the form is fixed in accordance with the shape of the base 1, then the column longitudinal ribs 16 are provided, and the column stirrups 17 are provided at the periphery of the column longitudinal ribs 16, then the first stirrups 18 and the second stirrups 19 are provided. The column longitudinal bars 16, the column hoop bars 17, the first hoop bars 18 and the second hoop bars 19 are bundled by steel wires to form a reinforcing bar frame. The concrete is then poured to form the foundation 1. And casting and forming are sequentially carried out according to the shapes of the variable cross section column 2 and the concrete column 10. Before the concrete column 10 is manufactured again, the column longitudinal bars 16 in the concrete column 10 should be inserted into the variable cross-section column 2 in advance. In order to increase the support of the column longitudinal ribs 16, two column longitudinal ribs 16 may be provided at four corners.
The upper end face of the variable cross-section column 2 is provided with a horizontal haunching arm 3, and the corresponding position of the upper side face of the variable cross-section column 2 and the horizontal haunching arm 3 is provided with a support bracket 20.
In addition, when the variable-section column 2 is manufactured, the built template should be designed with the support bracket 20, so that the support bracket 20 and the variable-section column are integrally formed and synchronously poured.
The horizontal haunching plate 3 comprises a steel buried plate 21, a side auxiliary buried plate 13, an auxiliary buried plate 14 and a support buried plate 15, wherein the steel buried plate 21, the side auxiliary buried plate 13, the auxiliary buried plate 14 and the support buried plate 15 enclose a closed space, and concrete is poured into the closed space. The steel buried plate 21 is fixedly arranged on the upper end face of the variable cross section column 2 in an L shape, and the vertical part of the steel buried plate 21 is fixedly connected with the concrete column 10.
When the variable cross-section column 2 and the concrete column 10 are manufactured, the steel buried plates 21 are paved at the corresponding positions of the variable cross-section column 2 and the concrete column 10 in time. After the solidification of the variable cross-section column 2 and the concrete column 10 is completed, the side auxiliary buried plates 13, 14 are installed, concrete is injected through the opening reserved in the auxiliary buried plates 14, and then the opening is covered by the pedestal buried plate 15. In the case of the horizontal haunched 3, screws for mounting the fixed spring support 12 may be reserved.
The spring support 12 is provided with a hole into which a screw is inserted and fixedly mounted by means of a nut.
The horizontal haunched 3 up end passes through spring support 12 and rotates and set up and be the bridge lower chord girder steel 5 of ">" shape, the fixed bridge steel column 9 that is vertical setting of bridge lower chord girder steel 5 up end, the contained angle department of bridge lower chord girder steel 5 is the fixed setting of horizontal rotation in proper order and is linked bridge lower chord side stay 6, bridge lower chord girder 7, concrete column 10 bottom is provided with the concrete floor roof beam 8 that is "T" shape, wherein keeps away from the both sides of the extension of the concrete floor roof beam 8 of horizontal haunched 3 direction and fixes respectively sets up concrete antitorque secondary beam 11, two concrete antitorque secondary beam 11 parallel arrangement.
The spring support 12 is a bi-directional spring support.
A damper 4 is arranged between the concrete floor beam 8 and the bridge lower chord steel beam 5.
The damper 4 is a viscous damper.
The invention has the advantages of quick erection, large carrying capacity, strong adaptability, adaptability to narrow space of construction sites and short construction period.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A support column for construction is promoted to super large-span steel vestibule on subway, including base (1), its characterized in that, base (1) top sets up variable cross section post (2), is provided with level haunching (3) on variable cross section post (2) up end, and the right part of variable cross section post (2) up end is provided with concrete column (10), the level haunching (3) up end rotates through spring bracket (12) and sets up bridge lower chord girder steel (5) that are ">" shape, and bridge lower chord girder steel (5) up end is fixed and is bridge steel column (9) that vertical setting, and the contained angle department of bridge lower chord girder steel (5) is fixed in proper order horizontal rotation and is set up bridge lower chord side brace (6), bridge lower chord girder (7), and concrete column (10) bottom is provided with concrete floor roof beam (8) that are "T" shape, and wherein the both sides of the extension of concrete floor beam (8) of keeping away from level haunching (3) direction are fixed respectively to set up concrete sub beam (11), are provided with damping between bridge (8) and the bridge lower chord girder steel (5).
2. The support column for lifting construction of ultra-large span steel corridor on subway according to claim 1, characterized in that the damper (4) is a viscous damper and the spring support (12) is a bi-directional spring support.
3. Support column for construction of ultra-large span steel corridor lifting on subways according to claim 1, characterized in that two of said concrete torsion-resistant secondary beams (11) are arranged in parallel.
4. The support column for lifting construction of ultra-large span steel corridor on subway according to claim 1, characterized in that the horizontal haunching (3) comprises a steel buried plate (21), a side auxiliary buried plate (13), an auxiliary buried plate (14) and a support buried plate (15), the steel buried plate (21), the side auxiliary buried plate (13), the auxiliary buried plate (14) and the support buried plate (15) enclose a closed space, and concrete is poured into the closed space.
5. The supporting column for lifting construction of ultra-large span steel corridor on subway according to claim 4, characterized in that the steel buried plate (21) is fixedly arranged on the upper end surface of the variable cross section column (2) in an L shape, and the vertical part of the steel buried plate (21) is fixedly connected with the concrete column (10).
6. The support column for lifting construction of ultra-large span steel corridor on subway according to claim 1, characterized in that the upper side of the variable cross section column (2) is provided with support brackets (20) corresponding to the horizontal haunching (3).
7. The support column for the lifting construction of the ultra-large span steel corridor on the subway according to claim 1, wherein the base (1), the variable cross section column (2) and the concrete column (10) are of an integrated reinforced concrete structure.
8. The supporting column for lifting construction of the ultra-large span steel corridor on the subway according to claim 1, wherein column longitudinal ribs (16) are arranged in the base (1) and the variable cross section column (2), column hooping ribs (17) are arranged around the column longitudinal ribs (16), a plurality of first hooping ribs (18) and a plurality of second hooping ribs (19) are respectively arranged in a quadrilateral formed by the column hooping ribs (17), and the first hooping ribs (18) and the second hooping ribs (19) are vertically arranged.
9. The support column for lifting construction of ultra-large span steel corridor on subway according to claim 8, characterized in that column stirrups (17) in base (1) are arranged vertically; the column stirrups (17) in the variable-section column (2) are radially arranged along with the section change direction of the variable-section column (2).
10. The supporting column for lifting construction of ultra-large span steel corridor on subway according to claim 9, characterized in that, column longitudinal ribs (16) are arranged in the concrete column (10), column hooping ribs (17) are arranged around the column longitudinal ribs (16), a plurality of first hooping ribs (18) and a plurality of second hooping ribs (19) are respectively arranged in a quadrangle formed by the column hooping ribs (17), the first hooping ribs (18) and the second hooping ribs (19) are vertically arranged, and the column longitudinal ribs (16) arranged in the concrete column (10) are inserted into the variable cross section column (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650907.7A CN114991207B (en) | 2022-06-09 | 2022-06-09 | Supporting column for lifting construction of ultra-large span steel corridor on subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650907.7A CN114991207B (en) | 2022-06-09 | 2022-06-09 | Supporting column for lifting construction of ultra-large span steel corridor on subway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114991207A CN114991207A (en) | 2022-09-02 |
| CN114991207B true CN114991207B (en) | 2023-07-18 |
Family
ID=83033791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210650907.7A Active CN114991207B (en) | 2022-06-09 | 2022-06-09 | Supporting column for lifting construction of ultra-large span steel corridor on subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991207B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207567938U (en) * | 2017-12-06 | 2018-07-03 | 毋百祥 | A kind of Novel underground large space engineering Y shape pillar structure |
| KR102107666B1 (en) * | 2018-11-14 | 2020-05-07 | 이경훈 | Long Span Composite Beam And Long Span Structure Construction Method Using The Same |
| CN211143497U (en) * | 2019-10-21 | 2020-07-31 | 中国建筑第二工程局有限公司 | Head column of steel corridor |
| CN111648528A (en) * | 2020-06-11 | 2020-09-11 | 北京市轨道交通建设管理有限公司 | Umbrella-shaped steel lattice column with horizontal support |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017200671A1 (en) * | 2017-01-17 | 2018-07-19 | Thyssenkrupp Ag | Pillar with load-branching knot and adjustable outlet angle |
-
2022
- 2022-06-09 CN CN202210650907.7A patent/CN114991207B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207567938U (en) * | 2017-12-06 | 2018-07-03 | 毋百祥 | A kind of Novel underground large space engineering Y shape pillar structure |
| KR102107666B1 (en) * | 2018-11-14 | 2020-05-07 | 이경훈 | Long Span Composite Beam And Long Span Structure Construction Method Using The Same |
| CN211143497U (en) * | 2019-10-21 | 2020-07-31 | 中国建筑第二工程局有限公司 | Head column of steel corridor |
| CN111648528A (en) * | 2020-06-11 | 2020-09-11 | 北京市轨道交通建设管理有限公司 | Umbrella-shaped steel lattice column with horizontal support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114991207A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107090975B (en) | Formwork erecting construction method for ultrahigh large-span concrete cast-in-place beam bailey truss | |
| CN111119059B (en) | Ultrahigh composite support system for high-pier cast-in-place box girder and construction method | |
| CN107761950A (en) | A kind of assembled steel reinforced concrete angle brace framework and its construction method | |
| CN102127966A (en) | Fixing device for template of cast-in-place reinforced concrete column | |
| CN113638304B (en) | Concrete beam type bridge hidden cover beam structure system and construction method thereof | |
| CN102605717A (en) | Pier-top longitudinal support scaffolding method | |
| CN109469094A (en) | Super High bottom plate interpolation fashioned iron column construction method and fixed structure | |
| CN114214917A (en) | Steel pipe concrete tied arch bridge and construction method | |
| CN114991207B (en) | Supporting column for lifting construction of ultra-large span steel corridor on subway | |
| CN218596920U (en) | Face empty assembled concrete bent cap cast-in-place construction support | |
| CN112609842A (en) | Super high-rise steel column base structure and construction method thereof | |
| CN109577206B (en) | Hollow high pier formwork system and construction method | |
| CN115679834A (en) | Construction method for variable-section special-shaped cable tower pulling-supporting combined temporary consolidation mid-tower column | |
| CN215482366U (en) | Double-line continuous beam bracket structure | |
| CN212771977U (en) | Simple broken line falsework connection structure of cast-in-situ variable-section beam body | |
| CN214005382U (en) | Bridge bent cap staple bolt formwork system | |
| CN214328478U (en) | Three-tower self-anchored suspension bridge | |
| CN214090322U (en) | Anti-seismic concrete reinforcement frame structure | |
| CN112064674A (en) | Section steel concrete beam column structure with armpit supports, tunnel and tunnel construction method | |
| CN219930752U (en) | Culvert channel wall body no-pull rod pouring template | |
| CN216339390U (en) | Power generation plant water inlet runner and roof supporting platform thereof | |
| CN220746604U (en) | Cast-in-situ bracket for two-way transverse slope concrete bent cap | |
| CN216973902U (en) | Full-assembly type insulation protection shed tunnel | |
| CN217352174U (en) | Pier edge side span cast-in-place support | |
| CN218969771U (en) | Bridge deck flange plate construction formwork support system |
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 |