CN212689007U - Support system for subway standard station house - Google Patents
Support system for subway standard station house Download PDFInfo
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- CN212689007U CN212689007U CN202020929349.4U CN202020929349U CN212689007U CN 212689007 U CN212689007 U CN 212689007U CN 202020929349 U CN202020929349 U CN 202020929349U CN 212689007 U CN212689007 U CN 212689007U
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- retaining wall
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Abstract
The utility model discloses a subway standard station room is with support system, including major structure (1), additional structure (2), ground wall (3) and retaining wall (7), the additional structure includes SMW worker's method stake (4), is under construction crown beam (10) on SMW worker's method stake, one end props up first steel shotcrete (6) on crown beam and is under construction at ground wall and SMW worker's method between the stake foundation slab (9); the retaining wall construction is on major structure's roof, and the retaining wall is located one side that major structure is close to additional structure, and additional structure's first steel shotcrete's the other end props up on the retaining wall, makes additional structure's roof be located the retaining wall top, additional structure's roof can directly link to each other with major structure's roof. The utility model discloses a lift additional structure roof, needn't stay and establish the post-cast strip, the roof construction joint quantity that significantly reduces weak position quality and hides, can effectively improve the efficiency of construction simultaneously, reduces construction cost.
Description
Technical Field
The utility model relates to a subway deep basal pit construction structures especially relates to a subway standard station is support system for room.
Background
In the subway foundation pit engineering, an underground continuous wall is a common supporting structure type as the enclosure of a main structure foundation pit of a station. In order to connect the auxiliary structures of the station such as the gateway and the wind pavilion to the station hall layer, the underground continuous wall of the main enclosure structure is inevitably removed. Due to the planar arrangement of the auxiliary structure foundation pit of the station, the inner support of the auxiliary structure in the existing construction is usually supported on the underground continuous wall of the main structure of the station. In the process that the auxiliary structure is in butt joint communication with the station main body, unreasonable chiseling of the underground continuous wall of the main structure can easily cause failure of the support system in the auxiliary structure, and the safety of foundation pit engineering is seriously threatened.
Disclosure of Invention
An object of the utility model is to provide a subway standard station is support system for room through lifting additional structure roof, needn't stay and establish the post-cast strip, and the roof construction joint quantity that significantly reduces weak position quality and hides, can effectively improve the efficiency of construction simultaneously, reduces construction cost.
The utility model discloses a realize like this:
a supporting system for a standard subway station house comprises a main structure, an auxiliary structure, a ground connecting wall and a retaining wall, wherein the auxiliary structure comprises an SMW construction method pile, a crown beam constructed on the SMW construction method pile, a first steel support with one end supported on the crown beam and a foundation slab constructed between the ground connecting wall and the SMW construction method pile; the retaining wall construction is on major structure's roof, and the retaining wall is located one side that major structure is close to additional structure, and additional structure's first steel shotcrete's the other end props up on the retaining wall, makes additional structure's roof be located the retaining wall top, and additional structure's roof can directly link to each other with major structure's roof.
And a second steel support is arranged in the auxiliary structure, the second steel support is connected between the ground connecting wall and the SMW construction method pile, and the second steel support is positioned between the foundation bottom plate and the first steel support.
And a retaining wall buttress is arranged between the side face of the retaining wall and the top plate of the main body structure, and the retaining wall buttress is positioned on the side face of the retaining wall far away from the accessory structure.
The retaining wall buttress is a strip-shaped structure with a triangular cross section, and the retaining wall buttress is long with the retaining wall.
To sum up, the utility model discloses a prop up the first steel shotcrete of additional structure on the retaining wall on the main structure roof of construction and the crown beam at SMW worker method stake top, lift the roof of additional structure, after the foundation slab construction of additional structure is accomplished, can directly break off the ground wall according to the construction section, can directly link to each other with the roof of main structure when constructing the roof of additional structure, needn't set up the post-cast strip, greatly reduce roof construction joint quantity, reduce weak position quality hidden danger; simultaneously, compare and break off ground wall even according to the width of cloth, the utility model discloses can save a large amount of time, and the installation segmentable of supporting the support body is gone on as required, has reduced the extravagant and lease time of unnecessary, effectively reduces construction cost.
Drawings
Fig. 1 is a schematic structural diagram of the support system for the subway standard station house of the present invention;
FIG. 2 is a sectional view of the supporting system for the standard subway station house of the present invention;
fig. 3 is the utility model discloses subway standard station is construction flow chart of support system for room.
In the figure, 1 a main structure, 2 auxiliary structures, 3 ground connection walls, 4 SMW construction method piles, 5 second steel supports, 6 first steel supports, 7 retaining walls, 8 retaining wall buttresses, 9 foundation slabs and 10 crown beams.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, the support system for the standard subway station comprises a main body structure 1, an auxiliary structure 2, a diaphragm Wall 3 and a retaining Wall 7, wherein the auxiliary structure 2 comprises SMW (Soil Mixing Wall) construction piles 4, crown beams 10 constructed on the SMW construction piles 4, first steel supports 6 with one ends supported on the crown beams 10 and a foundation slab 9 constructed between the diaphragm Wall 3 and the SMW construction piles 4; retaining wall 7 is under construction on the roof of major structure 1, and retaining wall 7 is located the major structure 1 and is close to one side of additional structure 2, and the other end of the first steel shotcrete 6 of additional structure 2 props up on retaining wall 7, makes the roof of additional structure 2 be located retaining wall 7 top, and the roof of additional structure 2 can directly link to each other with the roof of major structure 1, realizes that the roof of additional structure 2 once is under construction and targets in place.
And a second steel support 5 is arranged in the auxiliary structure 2, the second steel support 5 is connected between the diaphragm wall 3 and the SMW construction method pile 4, and the second steel support 5 is positioned between the foundation bottom plate 9 and the first steel support 6, so that the structural stability of the auxiliary structure 2 during construction can be improved.
And a retaining wall buttress 8 is arranged between the side surface of the retaining wall 7 and the top plate of the main body structure 1, and the retaining wall buttress 8 is positioned on the side surface of the retaining wall 7 far away from the auxiliary structure 2, so that the strength of the retaining wall 7 can be improved, and effective support is provided for the first steel support 6 of the auxiliary structure 2.
Retaining wall buttress 8 be triangle-shaped's rectangular form structure for the cross-section, retaining wall buttress 8 leads to long with retaining wall 7, ensures that retaining wall buttress 8 can provide even, stable support to retaining wall 7.
The utility model discloses a 6 props up retaining wall 7 and the top of SMW worker method stake 4 on the roof beam 10 of 1 roof of main structure construction with the first steel shotcrete of additional structure 2, lift the roof of additional structure 2 (lift highly according to concrete construction conditions and confirm through the accurate calculation), can directly link to each other with main structure 1's roof when constructing the roof of additional region 2, needn't reserve and establish the back casting area, the roof construction joint quantity that significantly reduces, reduce weak position quality hidden danger, a large amount of time has been saved, and the installation segmentable of support frame bodies such as first steel shotcrete 6 goes on as required, unnecessary waste and lease time have been reduced, effectively reduce construction cost.
Referring to fig. 3, the construction process of the present invention specifically includes: constructing an SMW construction method pile 4 → a crown beam 10 on the SMW construction method pile 4 → a retaining wall 7 on a top plate of a main structure 1 → excavation of a foundation pit earthwork, installing a first steel support 6 → excavation of the earthwork to the base elevation, constructing a cushion layer → binding of a foundation bottom plate 9 reinforcing steel bar, embedding H-shaped steel → pouring of concrete of the foundation bottom plate 9, reserving a post-pouring zone of 1-1.5m → dismantling a second steel support 5 → side wall construction → a skip cabin method framing and removing a ground connecting wall 3 → erecting a full-space support, constructing a top plate of an auxiliary structure 2 in place once → dismantling the first steel support 6 → sealing of the bottom plate post-pouring zone → earthing and backfilling, and finishing construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (4)
1. A subway standard station is braced system for room, characterized by: the auxiliary structure (2) comprises an SMW construction method pile (4), a crown beam (10) constructed on the SMW construction method pile (4), a first steel support (6) with one end supported on the crown beam (10) and a foundation slab (9) constructed between the ground connection wall (3) and the SMW construction method pile (4); the retaining wall (7) is constructed on the top plate of the main structure (1), the retaining wall (7) is located on one side, close to the auxiliary structure (2), of the main structure (1), the other end of the first steel support (6) of the auxiliary structure (2) is supported on the retaining wall (7), the top plate of the auxiliary structure (2) is located above the retaining wall (7), and the top plate of the auxiliary structure (2) can be directly connected with the top plate of the main structure (1).
2. The support system for the subway standard station room as claimed in claim 1, wherein: and a second steel support (5) is arranged in the auxiliary structure (2), the second steel support (5) is connected between the ground connecting wall (3) and the SMW construction method pile (4), and the second steel support (5) is positioned between the foundation bottom plate (9) and the first steel support (6).
3. The support system for the subway standard station room as claimed in claim 1, wherein: and a retaining wall buttress (8) is arranged between the side surface of the retaining wall (7) and the top plate of the main body structure (1), and the retaining wall buttress (8) is positioned on the side surface of the retaining wall (7) far away from the auxiliary structure (2).
4. The support system for the subway standard station room as claimed in claim 3, wherein: retaining wall buttress (8) be triangle-shaped's rectangular form structure for the cross-section, retaining wall buttress (8) lead to long with retaining wall (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020929349.4U CN212689007U (en) | 2020-05-28 | 2020-05-28 | Support system for subway standard station house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020929349.4U CN212689007U (en) | 2020-05-28 | 2020-05-28 | Support system for subway standard station house |
Publications (1)
| Publication Number | Publication Date |
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| CN212689007U true CN212689007U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020929349.4U Active CN212689007U (en) | 2020-05-28 | 2020-05-28 | Support system for subway standard station house |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235951A (en) * | 2021-06-16 | 2021-08-10 | 浙江吉通地空建筑科技有限公司 | Installation method and connection structure of section steel support |
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2020
- 2020-05-28 CN CN202020929349.4U patent/CN212689007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235951A (en) * | 2021-06-16 | 2021-08-10 | 浙江吉通地空建筑科技有限公司 | Installation method and connection structure of section steel support |
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