CN111705951A - Assembled underground station vertical wall opening structure and construction method - Google Patents
Assembled underground station vertical wall opening structure and construction method Download PDFInfo
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- CN111705951A CN111705951A CN202010453132.5A CN202010453132A CN111705951A CN 111705951 A CN111705951 A CN 111705951A CN 202010453132 A CN202010453132 A CN 202010453132A CN 111705951 A CN111705951 A CN 111705951A
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- concrete block
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- hole
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- top concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- 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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- 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
- E04B1/0007—Base structures; Cellars
- E04B1/0015—Cellars constructed from prefabricated units
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/02—Base frames, i.e. template frames for openings in walls or the like, provided with means for securing a further rigidly-mounted frame; Special adaptations of frames to be fixed therein
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2220/00—Temporary installations or constructions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a fabricated underground station vertical wall opening structure and a construction method, wherein the fabricated underground station vertical wall opening structure comprises a hole top concrete block, a hole bottom concrete block and a frame body, the hole bottom concrete block is arranged on a concrete wall, the frame body is positioned between the hole top concrete block and the hole bottom concrete block, the hole bottom concrete block comprises a first hole bottom concrete block, a second hole bottom concrete block and a third hole bottom concrete block, and the second hole bottom concrete blocks are arranged between the first hole bottom concrete block and the third hole bottom concrete block in sequence; the frame body includes stand and back timber, and the frame body forms for the stand top and the back timber both ends welding of both sides, and the internal concrete that is filled with of frame body, each second hole top concrete block bottom surface is pre-buried to be provided with the channel-section steel, and frame body lateral wall all welds with the channel-section steel that contacts. The invention realizes the full assembly of the prefabricated components of the vertical wall opening structure, and the assembled components have controllable concrete quality, batch production and uniform quality.
Description
Technical Field
The invention belongs to the field of underground structure engineering, and particularly relates to a vertical wall opening structure of an assembled underground station and a construction method.
Background
At present, the government is popularizing the assembly type building, and the development of the assembly type building has important significance for promoting the change of building construction modes, ensuring the quality safety of engineering construction and promoting the transformation and upgrading of the building industry. Compared with the traditional cast-in-place concrete structure system, the prefabricated concrete structure system has the advantages of saving resources and energy, reducing construction pollution, improving labor production efficiency and quality safety level, facilitating deep integration of buildings and informatization industrialization and the like, and is expected to become a novel structure system which is actively recommended and developed by all parties participating in construction in the future market. The prefabricated structure has better application effect in the building construction project, but due to the complexity of the construction environment and the process of the underground project and the rigor of the requirements on the waterproof and anti-seismic performance of the structure, the application of the prefabricated structure in the underground project still faces many problems. Therefore, the research on the design theory and method of the prefabricated assembly type structure system of the underground engineering is an important research direction for the development of the industrialized construction technology of the underground structure.
Disclosure of Invention
The invention aims to provide a vertical wall opening structure of an assembled underground station and a construction method, and particularly facilitates the assembly construction of concrete prefabricated parts by a user.
In order to solve the technical problems, the invention adopts the technical scheme that: the hole opening structure comprises a hole top concrete block, a hole bottom concrete block and a frame body, wherein the hole bottom concrete block is arranged on a concrete wall, the frame body is positioned between the hole top concrete block and the hole bottom concrete block, the hole bottom concrete block comprises a first hole bottom concrete block, a second hole bottom concrete block and a third hole bottom concrete block, and a plurality of second hole bottom concrete blocks are sequentially arranged between the first hole bottom concrete block and the third hole bottom concrete block; the hole top concrete piece includes first hole top concrete piece, second hole top concrete piece and third hole top concrete piece, second hole top concrete piece has a plurality of and sets gradually between first hole top concrete piece and third hole top concrete piece, the frame body includes stand and back timber, stand and back timber are the rectangular steel pipe structure that the steel sheet welded becomes, and the frame body forms for the stand top and the back timber both ends welding of both sides, the internal concrete of irritating of frame body, the pre-buried channel-section steel that is provided with in each second hole top concrete piece bottom surface, and first hole top concrete piece, third hole top concrete piece, concrete piece and third hole bottom concrete piece are all pre-buried towards frame body side at the bottom of the first hole and are provided with the channel-section steel, the frame body lateral wall all welds with the channel-section steel that contacts. The first hole bottom concrete block, the second hole bottom concrete block and the third hole bottom concrete block are connected by adopting third prestressed threaded steel bars; the first tunnel top concrete block, the second tunnel top concrete block and the third tunnel top concrete block are connected by adopting fourth prestressed threaded steel bars; and the first hole bottom concrete block is connected with the first hole top concrete block through second prestressed threaded steel bars, and the third hole bottom concrete block is connected with the third hole top concrete block through second prestressed threaded steel bars. A plurality of first prestressed threaded steel bars are adopted to be connected between the top beam of the frame body and the first tunnel top concrete block, the second tunnel top concrete block and the third tunnel top concrete block in an enhanced mode.
The construction steps are as follows:
the first step is as follows: after the side wall is constructed to the position of the side wall opening, sequentially positioning and assembling the first hole bottom concrete block, the second hole bottom concrete block and the third hole bottom concrete block;
the second step is that: horizontally connecting the first hole bottom concrete block, the second hole bottom concrete block and the third hole bottom concrete block close to the hole opening through third prestressed threaded steel bars to form a hole opening bottom hidden beam;
the third step: hoisting the frame body;
the fourth step: arranging a temporary steel support piece under the frame body component;
the fifth step: hoisting and positioning a first tunnel top concrete block, a second tunnel top concrete block and a third tunnel top concrete block;
and a sixth step: the first tunnel bottom concrete block and the first tunnel top concrete block and the third tunnel bottom concrete block and the third tunnel top concrete block are vertically connected through second prestressed threaded steel bars respectively to form hidden columns on two sides of the tunnel opening;
the seventh step: horizontally connecting the first tunnel top concrete block, the second tunnel top concrete block and the third tunnel top concrete block through a fourth prestressed twisted steel bar to form a tunnel opening top hidden beam;
eighth step: the top beam of the frame body is welded with the through length of channel steel pre-embedded at the bottoms of a first tunnel top concrete block, a second tunnel top concrete block and a third tunnel top concrete block of the member, and after the top beam of the frame body is welded with the through length of channel steel pre-embedded at the sides of the first tunnel bottom concrete block, the first tunnel top concrete block, the third tunnel bottom concrete block and the third tunnel top concrete block, the connection between the upright post of the frame body and the tunnel mouth ring frame beam is realized;
the ninth step: removing the temporary steel support;
the tenth step: the top beam of the frame body is connected with the first tunnel top concrete block, the second tunnel top concrete block and the third tunnel top concrete block through the prestressed threaded steel bars, so that the overall rigidity and strength of the tunnel opening ring frame beam are enhanced.
The invention has the advantages and positive effects that: by adopting the technical scheme, the prefabricated member of the vertical wall opening structure is completely assembled, and the assembled member concrete has controllable quality, can be produced in batches and has uniform quality; the field has no wet connection engineering, so that the environmental pollution is reduced, and the environment is protected; the construction period is short, and the construction precision is high.
Drawings
FIG. 1 is a schematic elevation view of a vertical wall opening structure of the present invention;
FIG. 2 is a schematic sectional view of the construction stage of the vertical wall opening structure A-A of the present invention;
FIG. 3 is a schematic sectional view A-A of the vertical wall opening structure in the use stage of the present invention;
FIG. 4 is a schematic view of the vertical structure of the reinforced concrete beam column framework of the present invention;
FIG. 5 is a schematic view of the engineering structure of the first step and the second step of the construction method of the present invention;
FIG. 6 is a schematic view of the construction structure of the third step of the construction method of the present invention;
FIG. 7 is a schematic view of the construction structure of the fourth step of the construction method of the present invention;
FIG. 8 is a schematic view of the construction structure of the fifth step of the construction method of the present invention;
FIG. 9 is an engineering structure diagram of the sixth to eighth steps of the construction method of the present invention;
FIG. 10 is a schematic diagram of the engineering structure of the ninth step and the tenth step of the construction method of the present invention.
In the figure:
1. a first hole bottom concrete block 2, a second hole bottom concrete block 3 and a third hole bottom concrete block
4. A first tunnel top concrete block 5, a second tunnel top concrete block 6 and a third tunnel top concrete block
7. Frame body 71, upright 72, top beam
8. Steel support 9, channel steel 10, first prestressed twisted steel
11. Second prestressed twisted steel bar 12, third prestressed twisted steel bar 13 and fourth prestressed twisted steel bar
Detailed Description
As shown in fig. 1-10, the invention relates to a vertical wall opening structure of an assembled underground station and a construction method, comprising a hole top concrete block, a hole bottom concrete block and a frame body 7, wherein the hole bottom concrete block is arranged on a concrete wall, the frame body 7 is positioned between the hole top concrete block and the hole bottom concrete block, the hole bottom concrete block comprises a first hole bottom concrete block 1, a second hole bottom concrete block 2 and a third hole bottom concrete block 3, and the second hole bottom concrete blocks 2 are provided with a plurality of parts and are sequentially arranged between the first hole bottom concrete block 1 and the third hole bottom concrete block 3; the tunnel top concrete block comprises a first tunnel top concrete block 4, a second tunnel top concrete block 5 and a third tunnel top concrete block 6, a plurality of second tunnel top concrete blocks 5 are sequentially arranged between the first tunnel top concrete block 4 and the third tunnel top concrete block 6, the frame body 7 comprises upright posts 71 and top beams 72, the upright posts 71 and the top beams 72 are rectangular steel pipe structures formed by welding steel plates, the top of the upright column 71 at two sides of the frame body 7 is welded with two ends of the top beam 72, the pipe body of the frame body 7 is filled with concrete, the bottom surface of each second hole top concrete block 5 is pre-buried with a channel steel 9, and concrete block 4 at the bottom of first hole top, concrete block 6 at the top of third hole, concrete block 1 at the bottom of first hole and concrete block 3 at the bottom of the third hole all pre-buried being provided with channel-section steel 9 towards frame body 7 side, 7 lateral walls of frame body all with the channel-section steel 9 welding that contacts. The first hole bottom concrete block 1, the second hole bottom concrete block 2 and the third hole bottom concrete block 3 are connected by a third prestressed twisted steel bar 12; the first tunnel top concrete block 4, the second tunnel top concrete block 5 and the third tunnel top concrete block 6 are connected by a fourth prestressed twisted steel bar 13; the first hole bottom concrete block 1 is connected with the first hole top concrete block 4 through a second prestressed threaded steel bar 11, and the third hole bottom concrete block 3 is connected with the third hole top concrete block 6 through the second prestressed threaded steel bar 11. The top beam 72 of the frame body 7 is connected with the first tunnel top concrete block 4, the second tunnel top concrete block 5 and the third tunnel top concrete block 6 by adopting a plurality of first prestressed threaded steel bars 10.
The construction steps are as follows:
the first step is as follows: after the side wall is constructed to the position of the side wall opening, a first hole bottom concrete block 1, a second hole bottom concrete block 2 and a third hole bottom concrete block 3 are sequentially positioned and assembled;
the second step is that: the first tunnel bottom concrete block 1, the second tunnel bottom concrete block 2 and the third tunnel bottom concrete block 3 are horizontally connected close to the tunnel portal through third prestressed threaded steel bars 12 to form a tunnel portal bottom hidden beam;
the third step: a member for hoisting the frame body 7;
the fourth step: a temporary steel support 8 is arranged under the frame body 7 component;
the fifth step: hoisting and positioning a first tunnel top concrete block 4, a second tunnel top concrete block 5 and a third tunnel top concrete block 6;
and a sixth step: the first tunnel bottom concrete block 1 and the first tunnel top concrete block 4 as well as the third tunnel bottom concrete block 3 and the third tunnel top concrete block 6 are vertically connected through second prestressed threaded steel bars 11 respectively to form hidden columns on two sides of the tunnel opening;
the seventh step: horizontally connecting the first tunnel top concrete block 4, the second tunnel top concrete block 5 and the third tunnel top concrete block 6 through a fourth prestressed twisted steel 13 to form a tunnel opening top hidden beam;
eighth step: the top beam 72 of the frame body 7 is welded with the through length of channel steel 9 pre-embedded at the bottoms of a first tunnel top concrete block 4, a second tunnel top concrete block 5 and a third tunnel top concrete block 6 of a member, and after the top beam 72 of the frame body 7 is welded with the through length of channel steel 9 pre-embedded at the sides of the first tunnel bottom concrete block 1, the first tunnel top concrete block 4, the third tunnel bottom concrete block 3 and the third tunnel top concrete block 6, the connection between the upright 1 of the frame body 7 and a tunnel opening ring frame beam is realized;
the ninth step: removing the temporary steel support 8;
the tenth step: the top beam 72 of the frame body 7 is connected with the first tunnel top concrete block 4, the second tunnel top concrete block 5 and the third tunnel top concrete block 6 through the prestressed threaded steel bars 10, so that the overall rigidity and strength of the tunnel opening ring frame beam are enhanced.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (4)
1. The utility model provides an assembled underground station erects wall structure of opening a hole which characterized in that: the concrete block at the bottom of the hole comprises a first concrete block at the bottom of the hole (1), a second concrete block at the bottom of the hole (2) and a third concrete block at the bottom of the hole (3), wherein the second concrete block at the bottom of the hole (2) is provided with a plurality of concrete blocks at the bottom of the hole (1) and is sequentially arranged between the first concrete block at the bottom of the hole (1) and the third concrete block at the bottom of the hole (3); the hole top concrete piece includes first hole top concrete piece (4), second hole top concrete piece (5) and third hole top concrete piece (6), second hole top concrete piece (5) have a plurality of and set gradually first hole top concrete piece (4) with between third hole top concrete piece (6), frame body (7) include stand (71) and back timber (72), stand (71) with back timber (72) are the rectangular steel pipe structure that the steel sheet welded into, just frame body (7) are both sides stand (71) top with back timber (72) both ends welding forms, fill with the concrete in frame body (7) body, each second hole top concrete piece (5) bottom surface is pre-buried to be provided with channel-section steel (9), just first hole top concrete piece (4), third hole top concrete piece (6), First hole bottom concrete piece (1) with third hole bottom concrete piece (3) orientation frame body (7) side all pre-buried being provided with channel-section steel (9), frame body (7) lateral wall all with contact channel-section steel (9) welding.
2. The fabricated underground station vertical wall opening structure of claim 1, wherein: the first hole bottom concrete block (1), the second hole bottom concrete block (2) and the third hole bottom concrete block (3) are connected through third prestressed threaded steel bars (12), two groups of the third prestressed threaded steel bars (12) are arranged, and two ends of the third prestressed threaded steel bars are respectively fixed in the first hole bottom concrete block (1) and the third hole bottom concrete block (3); the first tunnel top concrete block (4), the second tunnel top concrete block (5) and the third tunnel top concrete block (6) are connected through fourth prestressed threaded steel bars (13), the first tunnel bottom concrete block (1) and the first tunnel top concrete block (4) are connected through second prestressed threaded steel bars (11), and the third tunnel bottom concrete block (3) and the third tunnel top concrete block (6) are connected through the second prestressed threaded steel bars (11).
3. The fabricated underground station vertical wall opening structure of claim 1 or 2, wherein: the top beam (72) of the frame body (7) is connected with the first tunnel top concrete block (4), the second tunnel top concrete block (5) and the third tunnel top concrete block (6) through a plurality of first prestressed threaded steel bars (10).
4. The construction method of the vertical wall opening structure of the assembled underground station as claimed in claim 1, comprising the steps of:
the first step is as follows: after the side wall is constructed to the position of the side wall opening, the first tunnel bottom concrete block (1), the second tunnel bottom concrete block (2) and the third tunnel bottom concrete block (3) are sequentially positioned and assembled;
the second step is that: the first tunnel bottom concrete block (1), the second tunnel bottom concrete block (2) and the third tunnel bottom concrete block (3) are horizontally connected close to the tunnel portal through third prestressed threaded steel bars (12) to form a tunnel portal bottom hidden beam;
the third step: a member for hoisting the frame body (7);
the fourth step: arranging a temporary steel support (8) under the frame body (7) member;
the fifth step: hoisting and positioning the first tunnel top concrete block (4), the second tunnel top concrete block (5) and the third tunnel top concrete block (6);
and a sixth step: the first tunnel bottom concrete block (1) and the first tunnel top concrete block (4) and the third tunnel bottom concrete block (3) and the third tunnel top concrete block (6) are vertically connected through the second prestressed threaded steel bars (11) respectively to form hidden columns on two sides of the tunnel opening;
the seventh step: horizontally connecting the first tunnel top concrete block (4), the second tunnel top concrete block (5) and the third tunnel top concrete block (6) through the fourth prestressed twisted steel bar (13) to form a tunnel opening top hidden beam;
eighth step: the top beam (72) of the frame body (7) is welded with the through length of channel steel (9) pre-embedded at the bottom of the first tunnel top concrete block (4), the second tunnel top concrete block (5) and the third tunnel top concrete block (6) of a member, and after the top beam (72) of the frame body (7) is welded with the through length of the first tunnel bottom concrete block (1), the first tunnel top concrete block (4), the third tunnel bottom concrete block (3) and the channel steel (9) pre-embedded at the side surface of the third tunnel top concrete block (6), the upright column (71) of the frame body (7) is connected with a tunnel opening ring frame beam;
the ninth step: -removing the temporary steel support (8);
the tenth step: the top beam (72) of the frame body (7) is connected with the first hole top concrete block (4), the second hole top concrete block (5) and the third hole top concrete block (6) through the prestressed threaded steel bars (10), and the overall rigidity and strength of the hole ring frame beam are enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453132.5A CN111705951A (en) | 2020-05-26 | 2020-05-26 | Assembled underground station vertical wall opening structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453132.5A CN111705951A (en) | 2020-05-26 | 2020-05-26 | Assembled underground station vertical wall opening structure and construction method |
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| Publication Number | Publication Date |
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| CN111705951A true CN111705951A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010453132.5A Pending CN111705951A (en) | 2020-05-26 | 2020-05-26 | Assembled underground station vertical wall opening structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006132A (en) * | 2021-01-29 | 2021-06-22 | 广州地铁设计研究院股份有限公司 | Method for opening tunnel door on side wall of assembled subway station |
-
2020
- 2020-05-26 CN CN202010453132.5A patent/CN111705951A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006132A (en) * | 2021-01-29 | 2021-06-22 | 广州地铁设计研究院股份有限公司 | Method for opening tunnel door on side wall of assembled subway station |
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