CN210288418U - A bracket structure for subway foundation ditch steel shotcrete - Google Patents
A bracket structure for subway foundation ditch steel shotcrete Download PDFInfo
- Publication number
- CN210288418U CN210288418U CN201920852101.XU CN201920852101U CN210288418U CN 210288418 U CN210288418 U CN 210288418U CN 201920852101 U CN201920852101 U CN 201920852101U CN 210288418 U CN210288418 U CN 210288418U
- Authority
- CN
- China
- Prior art keywords
- steel
- steel support
- corbel
- corbel structure
- face
- 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
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model provides a bracket structure for subway foundation ditch steel shotcrete belongs to building construction technical field. The corbel structure is used for bearing a steel support, two ends of the steel support are used for supporting two opposite underground continuous walls, the corbel structure is installed on at least one underground continuous wall, one end of the steel support is installed on the corbel structure, and the corbel structure is used for adjusting the relative height of one end of the steel support and the other end of the steel support. The utility model provides a corbel structure for a steel support of a subway foundation pit, which can adjust the relative heights of two ends of the steel support, so that the two ends of the steel support are positioned on the same horizontal plane; and the bracket structure is convenient to install, can be recycled, and is economical and environment-friendly.
Description
Technical Field
The utility model relates to a civil engineering technical field, in particular to a bracket structure for subway foundation ditch steel shotcrete.
Background
Referring to fig. 1, in the construction of a subway foundation pit, a structural system combining an underground diaphragm wall 3 enclosure and a reinforced concrete support 2 with a steel support 7 is usually adopted between the ground 1 and an excavation surface 5, the steel support 7 is generally arranged below a second support, and the installation depth can reach twenty-three meters. When the steel support 7 is installed, the steel support 7 is placed on the conventional brackets 6 on the embedded steel plates 4 in the underground continuous wall 3, and whether the conventional brackets 6 at two ends of the steel support 7 directly influence the axial force of the steel support 7 on the same horizontal plane or not further influences the deformation of a foundation pit.
The conventional bracket 6 in the prior art is usually a triangular steel plate, the conventional bracket 6 is directly welded on the embedded steel plate 4, and the steel support 7 is installed on the conventional bracket 6.
When the steel support 7 is not arranged on the same horizontal plane and needs to be adjusted, the steel support 7 needs to be lifted and then the conventional corbel 6 needs to be cut and welded again. Therefore, the construction time is delayed, steel is wasted, the construction is more complicated particularly in the hoisting construction of a deep foundation pit, the hoisting and welding operation is inconvenient, and the steel support 7 is easily in a skew state, so that the prestress loss is overlarge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bracket structure for subway foundation ditch steel shotcrete to adjust the relative height at the both ends of steel shotcrete, thereby make the both ends of steel shotcrete be located same horizontal plane.
In order to achieve the above object, the utility model provides a bracket structure for subway foundation ditch steel shotcrete for bear the steel shotcrete, the both ends of steel shotcrete are used for supporting relative two sides underground continuous wall, bracket structural mounting is on at least one of them one side underground continuous wall, the one end of steel shotcrete is installed bracket is structural, the bracket structure is used for adjusting the one end of steel shotcrete with the relative height of the other end of steel shotcrete.
Optionally, the bracket structure includes first terminal surface and second terminal surface, the bracket structure passes through first terminal surface is installed on the underground continuous wall, the one end of steel shotcrete is installed on the second terminal surface.
Optionally, the first end surface is provided with a first adjusting hole;
the bracket structure passes through first regulation hole is detachable to be installed on the continuous wall in underground, and the bracket structure is in height-adjustable between the mounting point on the continuous wall in underground and the ground.
Optionally, the first adjusting hole is long, and the long side direction of the first adjusting hole is parallel to the adjusting direction of the steel support.
Optionally, one end of the steel support is installed on the second end face of the corbel structure through an adjusting part, and the adjusting part is used for adjusting the distance between one end of the steel support and the second end face.
Optionally, the adjusting part includes connecting piece and compensating beam, the one end of connecting piece with the second terminal surface can be dismantled and be connected, the other end of connecting piece with the compensating beam connect, the one end of steel shotcrete is installed on the compensating beam, the height-adjustable of connecting piece.
Optionally, the connecting piece is an adjusting screw, an internal thread matched with the adjusting screw is arranged on the second end face, and the adjusting screw is in threaded connection with the internal thread.
Optionally, each adjusting screw is configured with 2 nuts, wherein one nut is attached to the balance beam and used for fixing the balance beam; and the other nut is attached to the second end face and used for adjusting the height of the balance beam.
Optionally, each corbel structure is configured with 2 adjusting screws and 2 first adjusting holes.
Optionally, an embedded steel plate is arranged on the underground continuous wall, the embedded steel plate is provided with a threaded sleeve, and the first end face is installed in the threaded sleeve through a high-strength screw.
The utility model provides a corbel structure for a steel support of a subway foundation pit, which can adjust the relative heights of two ends of the steel support, so that the two ends of the steel support are positioned on the same horizontal plane; and the bracket structure is convenient to install, can be recycled, and is economical and environment-friendly.
Drawings
FIG. 1 is a schematic side view of a prior art foundation pit and conventional corbel;
fig. 2 is a schematic side structural view of a foundation pit and a corbel structure provided by the present invention;
fig. 3 is a schematic structural diagram of a corbel structure for a steel support of a subway foundation pit;
fig. 4 is a schematic top view of the foundation pit and corbel structure provided by the present invention;
fig. 5 is a schematic view of the front structure of the foundation pit and the corbel structure provided by the present invention, wherein the pre-buried steel plate in the foundation pit is in a horizontal state;
fig. 6 is the utility model provides a positive structure schematic diagram of foundation ditch and bracket structure, pre-buried steel sheet in the foundation ditch is in crooked state.
[ reference numerals are described below ]:
1-ground; 2-supporting the reinforced concrete; 3-underground continuous wall; 4, pre-burying a steel plate; 5, excavating a surface; 6-conventional corbel; and 7-steel support.
10-adjustable corbel; 11-a first end face; 12-a second end face; 13-a threaded sleeve; 14-high-strength screw; 15-a balance beam; 16-adjusting screw; 17-right angle brackets; 18-a second adjustment aperture; 19-first adjustment aperture.
Detailed Description
In order to make the objects, advantages and features of the present invention clearer, the following description of the present invention provides a corbel structure for a steel support of a subway foundation pit. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 2-6, the present invention provides a bracket structure for a steel support of a subway foundation pit, which may be referred to as an adjustable bracket 10, wherein the adjustable bracket 10 is used for bearing the steel support 7 and adjusting the relative heights of two ends of the steel support 7; the corbel structure includes a bracket, which may be a right-angle bracket 17, i.e., an L-shaped bracket 17, although the bracket may be other shapes; the bracket can be made of steel materials, so that the strength and the corrosion resistance are improved; the right-angle bracket 17 is provided with a first end surface 11 and a second end surface 12 which are connected with each other, and the first end surface 11 is provided with a first adjusting hole 19; the shape of the first adjusting hole 19 can be a strip-shaped adjusting hole with the same length as a kidney-shaped adjusting hole or a rectangular adjusting hole, the long side direction of the first adjusting hole 19 is parallel to the adjusting direction of the steel support 7, and the height of the corbel structure relative to the ground 1 can be adjusted through the first adjusting hole 19, so that the height of the steel support 7 on the corbel structure can be indirectly adjusted; the bracket structure is detachably arranged on the embedded steel plate 4 in the underground continuous wall 3 through the first adjusting hole 19, and the steel support 7 is arranged on the bracket structure; alternatively, the corbel structure may be mounted directly on the underground diaphragm wall 3; since the corbel structure can move up and down through the first adjustment holes 19, the first adjustment holes 19 can be used for adjusting the height of the second end face 12, and thus the height of the steel support 7; the steel support 7 can be mounted directly or indirectly on the second end face 12, and the height of the steel support 7, i.e. the relative height of one end of the steel support 7 to the other end, can also be adjusted by means of an adjusting member on the second end face 12.
The utility model provides a corbel structure for a steel support of a subway foundation pit, which can adjust the relative heights of two ends of the steel support 7, so that the two ends of the steel support 7 are positioned on the same horizontal plane; and the bracket structure is convenient to install, can be recycled, and is economical and environment-friendly.
Optionally, the second end face 12 comprises a second adjustment hole 18, and the steel support 7 can adjust its own height through the second adjustment hole 18 and the adjustment member. Referring to fig. 4, a second adjusting hole 18 is formed on the second end surface 12, the second adjusting hole 18 may be an elongated adjusting hole, and the height of the steel support 7 may be adjusted by passing a screw through the second adjusting hole 18.
Optionally, the corbel structure further includes an adjustment member mounted to the second end face 12 via a second adjustment aperture 18. Referring to fig. 3, the adjusting member may include an adjusting screw 16 and a balance beam 15, the adjusting screw 16 is located between the balance beam 15 and the second end face 12, and the adjusting screw 16 is used for adjusting the height of the balance beam 15; the steel support 7 is mounted on the balance beam 15.
Optionally, referring to fig. 3, each corbel structure is configured with 2 adjusting screws 16 and 2 first adjusting holes 19, each adjusting screw 16 is configured with 2 nuts, and one of the nuts is attached to the balance beam 15 to fix the balance beam 15; and the other nut is attached to the second end face 12 and used for adjusting the height of the balance beam 15, so that the height of the steel support 7 is adjusted.
Optionally, referring to fig. 3, an embedded steel plate 4 is arranged on the underground continuous wall 3, the embedded steel plate 4 is provided with a threaded sleeve 13, and the first end surface 11 is installed in the threaded sleeve 13 through a high-strength screw 14. 1 or more bracket structures can be arranged on the 1 embedded steel plate 4.
Fig. 5 and 6 are schematic diagrams of front structures of the foundation pit and the bracket, fig. 5 shows that the whole embedded steel plate 4 is in the same horizontal plane state, and fig. 6 shows that the whole embedded steel plate 4 is in a skew state. When the embedded steel plate 4 is not installed or is touched during construction to cause the embedded steel plate 4 to be inclined, the balance beams 15 can be positioned on the same horizontal plane through the adjusting screw rods 16, so that the steel supports 7 are positioned on the same horizontal plane.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a bracket structure for subway foundation ditch steel shotcrete for bear the steel shotcrete, its characterized in that, the both ends of steel shotcrete are used for supporting relative two sides underground continuous wall, bracket structure installs on at least one of them one side underground continuous wall, the one end of steel shotcrete is installed bracket structure is last, bracket structure is used for adjusting the one end of steel shotcrete with the relative height of the other end of steel shotcrete.
2. The corbel structure according to claim 1, wherein the corbel structure includes a first end face through which the corbel structure is mounted on the underground continuous wall and a second end face on which one end of the steel support is mounted.
3. The corbel structure according to claim 2, wherein the first end face is provided with a first adjustment aperture;
the bracket structure passes through first regulation hole is detachable to be installed on the continuous wall in underground, and the bracket structure is in height-adjustable between the mounting point on the continuous wall in underground and the ground.
4. The corbel structure according to claim 3, wherein the first adjustment hole is elongated and has a long side direction parallel to the adjustment direction of the steel support.
5. A corbel structure according to any of claims 2-4, wherein one end of the steel support is mounted on the second end face of the corbel structure via an adjustment member for adjusting the distance between the end of the steel support and the second end face.
6. The corbel structure according to claim 5, wherein the adjustment member comprises a connector and a balance beam, one end of the connector is detachably connected to the second end face, the other end of the connector is connected to the balance beam, one end of the steel support is mounted on the balance beam, and the height of the connector is adjustable.
7. The corbel structure according to claim 6, wherein the connector is an adjusting screw, and the second end surface is provided with an internal thread matching the adjusting screw, and the adjusting screw is in threaded connection with the internal thread.
8. The corbel structure according to claim 7, wherein each adjusting screw is provided with 2 nuts, one of which is attached to the counterweight and used for fixing the counterweight; and the other nut is attached to the second end face and used for adjusting the height of the balance beam.
9. The corbel structure according to claim 8, wherein each corbel structure is provided with 2 adjustment screws and 2 first adjustment holes.
10. The corbel structure according to claim 9, wherein the underground diaphragm wall is provided with pre-embedded steel plates provided with threaded sleeves in which the first end surfaces are mounted by high-strength screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852101.XU CN210288418U (en) | 2019-06-06 | 2019-06-06 | A bracket structure for subway foundation ditch steel shotcrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920852101.XU CN210288418U (en) | 2019-06-06 | 2019-06-06 | A bracket structure for subway foundation ditch steel shotcrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210288418U true CN210288418U (en) | 2020-04-10 |
Family
ID=70072831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920852101.XU Active CN210288418U (en) | 2019-06-06 | 2019-06-06 | A bracket structure for subway foundation ditch steel shotcrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210288418U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926822A (en) * | 2020-07-29 | 2020-11-13 | 武汉光谷电力科技有限公司 | Traffic cable line tunnel construction method and fender post mounting structure |
| CN112502160A (en) * | 2020-11-24 | 2021-03-16 | 中铁第四勘察设计院集团有限公司 | Post-tensioning precast concrete supporting member, inner supporting system and construction method |
| CN114855626A (en) * | 2022-05-20 | 2022-08-05 | 中铁三局集团华东建设有限公司 | Detachable assembled bracket support |
| CN114934522A (en) * | 2022-06-30 | 2022-08-23 | 广州地铁设计研究院股份有限公司 | Outward convex connecting joint of underground enclosing structure and construction method |
-
2019
- 2019-06-06 CN CN201920852101.XU patent/CN210288418U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926822A (en) * | 2020-07-29 | 2020-11-13 | 武汉光谷电力科技有限公司 | Traffic cable line tunnel construction method and fender post mounting structure |
| CN112502160A (en) * | 2020-11-24 | 2021-03-16 | 中铁第四勘察设计院集团有限公司 | Post-tensioning precast concrete supporting member, inner supporting system and construction method |
| CN114855626A (en) * | 2022-05-20 | 2022-08-05 | 中铁三局集团华东建设有限公司 | Detachable assembled bracket support |
| CN114934522A (en) * | 2022-06-30 | 2022-08-23 | 广州地铁设计研究院股份有限公司 | Outward convex connecting joint of underground enclosing structure and construction method |
| CN114934522B (en) * | 2022-06-30 | 2023-10-03 | 广州地铁设计研究院股份有限公司 | Outer convex type connection node of underground enclosure structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210288418U (en) | A bracket structure for subway foundation ditch steel shotcrete | |
| CN201635388U (en) | Cast-in-place concrete arc outer wall body unilateral formwork system | |
| CN103397701B (en) | Adjustable positioning structure for pre-buried bolt double-layered positioning plate and construction method | |
| CN101839061A (en) | Cast-in-place concrete arc outer wall single-side formwork system and construction method thereof | |
| CN112523495B (en) | Support capable of supporting wall formwork on single side | |
| CN210529958U (en) | Civil engineering is with assembled steel construction concreting building structure exempts from | |
| CN102518300B (en) | Embedded conical bearing joint type steel structure support and construction method thereof | |
| CN210177511U (en) | Foundation ditch steel sheet pile supporting construction | |
| CN101951191A (en) | Adjustable-height bracket base for photovoltaic array bracket | |
| CN201817814U (en) | Adjustable fixed support of vertical surface sheet steel form | |
| KR100529517B1 (en) | Method for pulling up equally the upper structure of a bridge using a raising bracket supporting load dispersedly, having a displacement measuring instrument | |
| CN103291042B (en) | A kind of can the curtain wall pendant of three-dimensional regulation | |
| CN104652445B (en) | Deep basal pit one one post steel lattice column positioner and construction method thereof | |
| CN214695657U (en) | Foundation pit supporting coaming convenient to dismantle | |
| CN102653947B (en) | Underground embedded steel component limiting straightening construction method | |
| CN214835033U (en) | Building reinforced structure that rectifies | |
| CN215253503U (en) | Basic embedded part for assembled steel structure | |
| CN215441924U (en) | Profiled bar inclined supporting structure in foundation pit | |
| CN211473081U (en) | Device for controlling thickness of side slope lattice beam steel bar protective layer | |
| CN211229207U (en) | Combined light-duty embedded steel bar positioning frame | |
| CN210369024U (en) | Assembled tower crane cushion cap basis festival standard height controlling means | |
| CN203222810U (en) | Steel column and base structure system | |
| JP6033051B2 (en) | Basic unit | |
| CN205990618U (en) | A kind of rectangular deep foundation pit large-span steel-reinforced concrete inner supporting structure | |
| CN215977359U (en) | Adjustable pre-buried support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |