CN217460609U - Horizontal steel supporting structure of reverse construction method - Google Patents
Horizontal steel supporting structure of reverse construction method Download PDFInfo
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- CN217460609U CN217460609U CN202221204001.4U CN202221204001U CN217460609U CN 217460609 U CN217460609 U CN 217460609U CN 202221204001 U CN202221204001 U CN 202221204001U CN 217460609 U CN217460609 U CN 217460609U
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Abstract
The utility model provides a horizontal steel bearing structure of reverse construction method, including structure roof beam and fender pile, the bottom of structure roof beam is supported through many frontier steps stands, the lateral wall of fender pile is equipped with two-layer purlin that encloses, the edge of structure roof beam and two-layer purlin that encloses all pre-buried a plurality of pre-buried boards have been pre-buried, all weld between a plurality of pre-buried boards of one-to-one on the purlin structure roof beam and upper strata and have first horizontal steel shotcrete, many frontier steps stands and lower floor enclose between a plurality of pre-buried boards on the purlin one-to-one welding have the horizontal steel shotcrete of second. The supporting structure avoids waste, reduces the engineering quantity of foundation pit supporting, saves the cost and is convenient and fast to construct.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a horizontal steel bearing structure of reverse construction method.
Background
The excavation of foundation pits of underground engineering which is widely applied at present is mostly a sequential method, excavation layer by layer and layer by layer supporting, the method is generally applicable to shallow excavation of the foundation pits, and for excavating deeper foundation pits, the method has the defects of longer construction period, low technical reliability, obvious lagging process and the like. The reverse construction method is the method with the most economic underground space development cost and the most reliable technology.
During the reverse construction method construction, in order to form the support between the structural beam and the fender pile, a supporting structure is generally required to be built in the foundation pit, the supporting structure generally adopts traditional steel supports or concrete supports, the waste condition is easy to occur, and the engineering quantity is increased.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a horizontal steel bearing structure of reverse construction method, this bearing structure have avoided the waste, have reduced excavation supporting's engineering volume, practice thrift the cost to it is convenient to be under construction.
In order to solve the above problems, the utility model adopts the following technical scheme:
the utility model provides a horizontal steel bearing structure of reverse construction method, includes structure roof beam and fender pile, the bottom of structure roof beam supports through many sidespan stands, the lateral wall of fender pile is equipped with two-layer purlin that encloses, the edge of structure roof beam and two-layer purlin that encloses all pre-buried having a plurality of pre-buried boards, all weld between a plurality of pre-buried boards of one-to-one on the purlin structure roof beam and the upper strata and have first horizontal steel shotcrete, many sidespan stands and lower floor enclose between a plurality of pre-buried boards on the purlin one-to-one welding have the horizontal steel shotcrete of second.
Preferably, a plurality of reinforcing ribs are welded on the side walls of the embedded plates.
Preferably, the first horizontal steel support and the second horizontal steel support are both i-shaped steel.
Preferably, a plurality of pairs of reinforcing ribs are welded to the side walls of the embedded plates.
Preferably, the side span stand comprises four right angle steel bars and a plurality of square plate welding, the one end welding that the horizontal steel of second supported is on the square plate that corresponds the position, is located the square plate of this square plate below and installs support piece, support piece includes two diagonal bars and two vertical steel bars, the both ends of two diagonal bars and two vertical steel bars weld respectively on square plate and the horizontal steel of second support.
Preferably, a plurality of pegs are welded on the side walls of the first horizontal steel support and the second horizontal steel support uniformly.
The utility model has the advantages that:
1. by adopting the supporting mode of the first horizontal steel supports and the second horizontal steel supports, after the basement earthwork is backfilled to build the outer wall, the excess part is cut off, and the rest part is buried in the reinforced concrete, so that the waste phenomenon of the traditional steel supports or concrete supports is avoided, the engineering quantity of foundation pit supporting is reduced, and the cost is saved.
2. Through setting up pre-buried board and many strengthening ribs, can install fast to structural beam and two on enclosing the purlin, the strengthening rib can further improve structural stability, through installation support piece and a plurality of stiffening rib, can improve the stability and the structural strength who supports.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the cutting state provided by the present invention.
In the figure: 1 structural beam, 2 side span columns, 21 square plates, 22 right-angle steel bars, 3 reinforcing ribs, 4 embedded plates, 5 first horizontal steel supports, 6 studs, 7 reinforcing ribs, 8 second horizontal steel supports, 9 enclosing purlins, 10 enclosing piles, 11 supporting pieces, 111 vertical steel bars, 112 diagonal steel bars, 12 excess parts and 13 outer walls.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-2, a horizontal steel bearing structure of reverse construction method, including structure roof beam 1 and fender pile 10, the bottom of structure roof beam 1 supports through many sidespan stands 2, the lateral wall of fender pile 10 is equipped with two-layer purlin 9 that encloses, structure roof beam 1 and two-layer edge of enclosing purlin 9 are all pre-buried to have a plurality of pre-buried boards 4, all weld between a plurality of pre-buried boards 4 of one-to-one on structure roof beam 1 and the purlin 9 of upper strata enclosing has first horizontal steel shotcrete 5, many sidespan stands 2 and the one-to-one welding have second horizontal steel shotcrete 8 between a plurality of pre-buried boards 4 on the purlin 9 of lower floor enclosing.
Further, a plurality of reinforcing ribs 3 are welded on the side walls of the embedded plates 4, and the reinforcing ribs 3 improve the structural strength.
Furthermore, the first horizontal steel support 5 and the second horizontal steel support 8 are both made of I-shaped steel, and materials are convenient to obtain.
Furthermore, a plurality of pairs of reinforcing ribs 7 are welded on the side walls of the embedded plates 4, so that the stability and the structural strength of the support are further improved.
Further, the side span column 2 is formed by welding four right angle steel bars 22 and a plurality of square plates 21, one end of the second horizontal steel support 8 is welded on the square plate 21 corresponding to the position, a support member 11 is installed on the square plate 21 below the square plate 21, the support member 11 comprises two oblique steel bars 112 and two vertical steel bars 111, and two ends of the two oblique steel bars 112 and the two vertical steel bars 111 are respectively welded on the square plate 21 and the second horizontal steel support 8.
Furthermore, a plurality of studs 6 are uniformly welded on the side walls of the first horizontal steel support 5 and the second horizontal steel support 8, so that the integral structural strength of the poured concrete is improved.
The two ends of a first horizontal steel support 5 are welded on two corresponding embedded plates 4 respectively, one end of a second horizontal steel support 8 is welded on a square plate 21 at a corresponding position, the other end of the second horizontal steel support is welded on the embedded plate 4 on a lower surrounding purlin, the two ends of two inclined steel bars 112 and two vertical steel bars 111 are welded on the square plate 21 and the second horizontal steel support 8 adjacent to the lower side respectively, the connection stability is improved, after an outer wall 13 is built by backfilling basement earthwork, the excess part 12 of the first horizontal steel support 5 and the second horizontal steel support 8 is cut off, and the rest part is embedded in reinforced concrete, so that the waste phenomenon of traditional steel supports or concrete supports is avoided, and the engineering quantity of foundation pit supporting is reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a horizontal steel bearing structure of reverse construction method, includes structural beam (1) and fender pile (10), the bottom of structural beam (1) is supported through many sidespan stand (2), its characterized in that, the lateral wall of fender pile (10) is equipped with two-layer purlin (9) of enclosing, the edge of structural beam (1) and two-layer purlin (9) of enclosing all pre-buried board (4) have been pre-buried, all weld between a plurality of pre-buried board (4) of one-to-one on structural beam (1) and upper strata purlin (9) has first horizontal steel shotcrete (5), the one-to-one welding has second horizontal steel shotcrete (8) between a plurality of pre-buried board (4) on many sidespan stand (2) and the lower floor purlin (9).
2. A top-down horizontal steel support structure according to claim 1, wherein the side walls of the pre-buried plates (4) are welded with reinforcing bars (3).
3. A top-down horizontal steel support structure according to claim 1, wherein the first (5) and second (8) horizontal steel supports are i-section steel.
4. A top-down horizontal steel support structure according to claim 1, wherein the side walls of the pre-buried plates (4) are also welded with pairs of reinforcing ribs (7).
5. The horizontal steel supporting structure of the reverse construction method according to claim 1, wherein the side span column (2) is composed of four right angle steel bars (22) and a plurality of square plates (21) by welding, one end of the second horizontal steel support (8) is welded on the corresponding square plate (21), a support member (11) is installed on the square plate (21) under the square plate (21), the support member (11) comprises two diagonal bars (112) and two vertical bars (111), and two ends of the two diagonal bars (112) and two vertical bars (111) are welded on the square plate (21) and the second horizontal steel support (8), respectively.
6. A top-down horizontal steel support structure according to claim 1, wherein the first (5) and second (8) horizontal steel supports have a plurality of pegs (6) welded to their side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221204001.4U CN217460609U (en) | 2022-05-19 | 2022-05-19 | Horizontal steel supporting structure of reverse construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221204001.4U CN217460609U (en) | 2022-05-19 | 2022-05-19 | Horizontal steel supporting structure of reverse construction method |
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| Publication Number | Publication Date |
|---|---|
| CN217460609U true CN217460609U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221204001.4U Active CN217460609U (en) | 2022-05-19 | 2022-05-19 | Horizontal steel supporting structure of reverse construction method |
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| CN (1) | CN217460609U (en) |
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2022
- 2022-05-19 CN CN202221204001.4U patent/CN217460609U/en active Active
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