CN207944463U - A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction - Google Patents
A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction Download PDFInfo
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- CN207944463U CN207944463U CN201820137088.5U CN201820137088U CN207944463U CN 207944463 U CN207944463 U CN 207944463U CN 201820137088 U CN201820137088 U CN 201820137088U CN 207944463 U CN207944463 U CN 207944463U
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- shaped steel
- foundation pit
- steel pipe
- steel
- diagonal brace
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Abstract
The utility model is related to construction engineering technical field, especially a kind of steel pipe shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：The supporter is made of steel pipe and shaped steel combination, and the shaped steel is arranged in the bottom surface of foundation pit hereinafter, one end of the steel pipe is connect with the shaped steel, and the other end is connect with the fender body.The utility model has the advantages that：The advantage of steel pipe and shaped steel respectively is utilized well, more than foundation pit bottom surface is steel pipe so that diagonal brace has good anti-pressure ability, has ensured stability；It is shaped steel below foundation pit bottom surface, is easy to squeeze into smaller compared in hard stratum, being influenced on undisturbed soil, has ensured construction efficiency and diagonal brace bearing capacity；Furthermore it is possible to which incorporation engineering requires, slip casting structure is set on steel pipe shaped steel combination formula diagonal brace, its bearing capacity is further increased by slip casting, finally, steel pipe shaped steel combination formula diagonal brace forms effective foundation pit supporting construction together with fender body.
Description
Technical field
The utility model is related to construction engineering technical field, especially a kind of steel pipe-shaped steel combination formula diagonal brace pattern foundation pit supporting structure
Structure.
Background technology
Excavation pit need to carry out pattern foundation pit supporting structure in engineering construction, and traditional foundation pit supporting method mainly has bored concrete pile, soil cement
Mixing pile class fender body etc. combines horizontal struts system to form supporting construction, but set horizontally-supported leads to subsequent construction not
Just, increase the duration and the problems such as cost, therefore start steel pipe inclined support structure occurred, preferably solve it is horizontally-supported it is existing on
State problem.But when it is compared with hard stratum that diagonal brace steel pipe, which enters the following soil layer in Foundation Pit bottom, often there is steel pipe and squeeze into difficulty, construct
The low problem of efficiency, and steel pipe squeeze into supporting course disturb it is larger, reduce the intensity of undisturbed soil, and then influence its carrying
Power.
Invention content
The purpose of this utility model is that it is oblique to provide a kind of steel pipe-shaped steel combination formula according to above-mentioned the deficiencies in the prior art
Support group pit supporting construction, by using shaped steel to replace steel pipe below foundation pit bottom surface, to make supporter be easy to squeeze into compared with pan soil
It is smaller on undisturbed soil influence in layer, it had not only improved construction efficiency but also had ensured bearing capacity.
The utility model aim realization is completed by following technical scheme：
A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction, institute's foundation pit supporting construction include at least fender body and branch
Support body, the supporter are used to support the fender body, it is characterised in that：The supporter is made of steel pipe and shaped steel combination,
The shaped steel is arranged in the bottom surface of foundation pit hereinafter, one end of the steel pipe is connect with the shaped steel, the other end and the fender body
Connection.
The supporter has Grouting Pipe, and injecting cement paste can be formed in the peripheral slip casting of the shaped steel by the Grouting Pipe.
The injecting cement paste is the single point-like injecting cement paste arranged along the shaped steel length direction or multiple spot shape injecting cement paste or full section
Shape injecting cement paste.
Detachable be connected and fixed is constituted by joint member between the steel pipe and the shaped steel.
The shaped steel can be one or both of H profile steel, channel steel, I-steel, angle steel and two or more combinations.
Collar tie beam is provided at the top of the fender body, the steel pipe is connected by the collar tie beam with the fender body.
The utility model has the advantages that：The advantage of steel pipe and shaped steel respectively is utilized well, more than foundation pit bottom surface is steel
Pipe so that diagonal brace has good anti-pressure ability, has ensured stability；It is shaped steel below foundation pit bottom surface, is easy to squeeze into compared with pan soil
It is smaller on undisturbed soil influence in layer, ensure construction efficiency and diagonal brace bearing capacity；Furthermore it is possible to which incorporation engineering requires, in steel
Slip casting structure is set on pipe-shaped steel combination formula diagonal brace, its bearing capacity is further increased by slip casting, finally, steel pipe-shaped steel group
Box-like diagonal brace forms effective foundation pit supporting construction together with fender body.
Description of the drawings
Fig. 1 is the first structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view A in Fig. 1；
Fig. 3 is second of structural schematic diagram of the utility model；
Fig. 4 is the partial enlarged view A ' in Fig. 3.
Specific implementation mode
The utility model feature and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing,
In order to the understanding of technical staff of the same trade：
As shown in Figs 1-4, figure label 1-12 is expressed as：Steel pipe 1, shaped steel 2, joint member 3, fender body 4, slip casting
Pipe 5, injecting cement paste 6, collar tie beam 7, natural ground 8, underground structure 9, structural cushion coat 10, bottom plate 11, foundation pit 12.
Embodiment one：As shown in Figure 1, steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction in the present embodiment is used for base
The supporting in hole 12, foundation pit 12 dig formation 8 times on natural ground.The proposed underground structure 9 in foundation pit 12, underground structure 9 have bottom
Plate 11.Structural cushion coat 10 is provided on the bottom surface of foundation pit 12, structural cushion coat 10 is located at the bottom plate of foundation pit 12 and underground structure 9
Between 11.
As shown in Figure 1, the inside sidewalls in foundation pit 12 are provided with fender body 4, fender body 4 is used for outside to the side wall of foundation pit 12
The side soil body carries out supporting, and the soil body is avoided to topple into foundation pit 12.The top of fender body 4 is provided with collar tie beam 7, collar tie beam 7 is used for will
Several fender bodies 4 are connected, and to improve the globality of supporting construction, further increase its supporting effect.
The supporter constituted is combined by steel pipe 1 and shaped steel 2 as shown in Figure 1, being connected on fender body 4, supporter is in incline
Tiltedly arrangement, is used to apply slanting support force to fender body 4, and effect and structural stability are gone along with sb. to guard him to improve fender body 4.
The bottom soil body squeezing into end squeeze into foundation pit 12 of the one end of shaped steel 2 as supporter, using the characteristic of shaped steel 2, supporter can letter
Just it squeezes into harder soil layer, it is smaller on undisturbed soil influence, ensure the bearing capacity of construction efficiency and supporter；Shaped steel 2
Below the bottom surface of foundation pit 12.As shown in Fig. 2, the other end of shaped steel 2 can by one end of joint member 3 and steel pipe 1 composition
Detachable is connected and fixed, and is convenient for the recycling of steel pipe 1.The other end of steel pipe 1 is connected by collar tie beam 7 with fender body 4,
Utilize the characteristic of steel pipe so that supporter has good anti-pressure ability, has ensured stability.
The present embodiment has following construction procedure in construction：
1）According to requirement of engineering, the processing of steel pipe 1, shaped steel 2, joint member 3 is completed.
2）First, in the side wall of foundation pit 12 construction fender body 4.
3）Then according in relation to requiring to squeeze into shaped steel 2 into the bottom soil body of foundation pit 12, construction joint component 3, then pass through
The upper steel pipe 1 of the connection of joint member 3 and the precalculated position for squeezing into supporter, that is, complete steel pipe in the present embodiment-shaped steel combination formula
The upper end of steel pipe 1 is connect by the construction of diagonal brace by collar tie beam 7 with fender body 4, forms the supporting construction of foundation pit 12.
4) at the top of fender body 4, construction collar tie beam 7 is constituted the integer support knot of foundation pit 12 so that each fender body 4 to be connected
Structure.
Embodiment two：The present embodiment compared to embodiment one the difference is that：As shown in figure 3, being set on supporter
It is equipped with the Grouting Pipe 5 as slip casting structure.As shown in figure 4, Grouting Pipe 5 is threaded through among the tube body of steel pipe 1 and sticks on shaped steel 2
Web side, one end of Grouting Pipe 5 is grouting port, and the other end is grout outlet, which may be arranged at the length model of shaped steel 2
In enclosing.As shown in figure 3, by the slip casting of Grouting Pipe 5, injecting cement paste 6 can be formed in the periphery of shaped steel 2, thus by shaped steel 2 and its week
Soil body Liancheng one is enclosed, further increases the bearing capacity of supporter, and then improve the supporting effect of supporting construction.
The present embodiment has following construction procedure in construction：
1）According to requirement of engineering, the processing of steel pipe 1, shaped steel 2, joint member 3 is completed.
2）First, in the side wall of foundation pit 12 construction fender body 4.
3）Then according in relation to requiring to squeeze into shaped steel 2 into the bottom soil body of foundation pit 12, construction joint component 3, it is synchronous with
Into Laying injection pipe 5, then steel pipe 1 is connect to shaped steel 2 by joint member 3 and squeezed into the precalculated position of supporter, then leads to
It crosses 5 slip casting of Grouting Pipe and forms injecting cement paste 6, that is, complete the construction of steel pipe in the present embodiment-shaped steel combination formula diagonal brace, pass through collar tie beam
7 connect the upper end of steel pipe 1 with fender body 4, form the supporting construction of foundation pit 12.
4) at the top of fender body 4, construction collar tie beam 7 is constituted the integer support knot of foundation pit 12 so that each fender body 4 to be connected
Structure.
Above-described embodiment is in the specific implementation：Shaped steel 2 can be one kind or two in H profile steel, channel steel, I-steel, angle steel
Several different shaped steel, i.e., be welded to each other, to ensure its support strength by kind and two or more combinations as needed.
The single point-like injecting cement paste or multiple spot shape injecting cement paste or full section shape that injecting cement paste 6 can be arranged along the length direction of shaped steel 2
Injecting cement paste, wherein single point-like injecting cement paste refer to a certain local slip casting in shaped steel 2；Multiple spot shape injecting cement paste is referred in shaped steel 2
It is multiple part carry out slip castings, this multiple part can be along the length direction arranged for interval of shaped steel 2；And full section shape injecting cement paste then refers to
Be to be evenly arranged injecting cement paste along the length direction of shaped steel 2, to form 2 whole injecting cement paste of package shaped steel, bearing capacity is most
It is excellent.Different types of injecting cement paste 6 can select to realize by adjusting the position of the grout outlet of Grouting Pipe 5 and slip casting time.
Although above example elaborates the design of the utility model aim and embodiment with reference to attached drawing,
But those skilled in the art will realize that in the case where no disengaging claim limits the precondition of range, still may be used
To make various modifications and variations to the utility model, therefore do not repeat one by one herein.
Claims (6)
1. a kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction, institute's foundation pit supporting construction includes at least fender body and support
Body, the supporter are used to support the fender body, it is characterised in that：The supporter is made of steel pipe and shaped steel combination, institute
It states shaped steel and is arranged in the bottom surface of foundation pit hereinafter, one end of the steel pipe is connect with the shaped steel, the other end connects with the fender body
It connects.
2. a kind of steel pipe according to claim 1-shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：It is described
Supporter has Grouting Pipe, and injecting cement paste can be formed in the peripheral slip casting of the shaped steel by the Grouting Pipe.
3. a kind of steel pipe according to claim 2-shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：It is described
Injecting cement paste is the single point-like injecting cement paste arranged along the shaped steel length direction or multiple spot shape injecting cement paste or full section shape injecting cement paste.
4. a kind of steel pipe according to claim 1-shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：It is described
Detachable be connected and fixed is constituted by joint member between steel pipe and the shaped steel.
5. a kind of steel pipe according to claim 1-shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：It is described
Shaped steel is one or both of H profile steel, channel steel, I-steel, angle steel or two or more combinations.
6. a kind of steel pipe according to claim 1-shaped steel combination formula diagonal brace foundation pit supporting construction, it is characterised in that：It is described
Collar tie beam is provided at the top of fender body, the steel pipe is connected by the collar tie beam with the fender body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137088.5U CN207944463U (en) | 2018-01-26 | 2018-01-26 | A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137088.5U CN207944463U (en) | 2018-01-26 | 2018-01-26 | A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction |
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| CN207944463U true CN207944463U (en) | 2018-10-09 |
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| CN201820137088.5U Active CN207944463U (en) | 2018-01-26 | 2018-01-26 | A kind of steel pipe-shaped steel combination formula diagonal brace foundation pit supporting construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424406A (en) * | 2019-08-07 | 2019-11-08 | 上海市机械施工集团有限公司 | A kind of oblique construction method for throwing support bridle iron and tiltedly throw support bridle iron |
-
2018
- 2018-01-26 CN CN201820137088.5U patent/CN207944463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424406A (en) * | 2019-08-07 | 2019-11-08 | 上海市机械施工集团有限公司 | A kind of oblique construction method for throwing support bridle iron and tiltedly throw support bridle iron |
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