CN209854736U - Supporting structure for emergency rescue and reinforcement of foundation pit - Google Patents
Supporting structure for emergency rescue and reinforcement of foundation pit Download PDFInfo
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- CN209854736U CN209854736U CN201920457038.XU CN201920457038U CN209854736U CN 209854736 U CN209854736 U CN 209854736U CN 201920457038 U CN201920457038 U CN 201920457038U CN 209854736 U CN209854736 U CN 209854736U
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Abstract
The utility model discloses a supporting construction for foundation ditch emergency rescue is consolidated has related to foundation ditch supporting construction technical field, and it is longer to have solved construction cycle, the problem that the cost is high, including foundation ditch body and a plurality of fender pile, it is a plurality of one side of fender pile is fixed with a plurality of waist roof beams, one of them be fixed with counter-force roof beam on the waist roof beam, the basal plane activity of foundation ditch body is provided with the bottom plate, be fixed with down counter-force roof beam on the bottom plate, go up counter-force roof beam with be fixed with the bracing steel pipe down between the counter-force roof beam, the slope of bracing steel pipe sets up. The utility model has more obvious reinforcing effect and better integral stress performance; use the steel pipe bracing to consolidate construction convenience, erect and to accomplish the back can the atress, the later stage is demolishd the convenience, can also carry out the secondary and use, combines a plurality of fender piles to consolidate the foundation ditch body for foundation ditch body excavation depth can be darker, and the scheme of strutting is more excellent.
Description
Technical Field
The utility model belongs to the technical field of the excavation supporting construction technique and specifically relates to a supporting construction that is used for emergent rescue and reinforcement of foundation ditch.
Background
Along with the rapid development of social economy, the tension of urban land promotes the building structure to be continuously expanded to the underground space, the development of the urban underground space is accelerated, and the urban foundation pit excavation scale is developed towards a larger and deeper direction. Due to various factors, the foundation pit is placed for too long time or the surrounding conditions of the foundation pit are changed, so that the horizontal deformation of the foundation pit is too large and far exceeds the limit value given by the specification, and safety accidents occur on the construction site easily.
A chinese patent with an authorization publication number of CN109267575A, which proposes a construction method of a foundation pit support in a soft soil area pit, comprising the following steps, step 1: according to a pit-in-pit foundation support design drawing, measuring and setting out along the outer side 500 of the edge of a pit-in-pit foundation, and determining the pile position of a high-pressure jet grouting pile; step 2: after adjusting the cement mixing amount and the jet grouting pressure parameters, starting to drive a high-pressure jet grouting shape, inserting a circular steel pipe into the center of each high-pressure jet grouting pile by using a digging machine after the construction of each high-pressure jet grouting pile is finished,
the above prior art solutions have the following drawbacks: the construction period is long, the manufacturing cost is high, the subsequent influence on the construction of the main body structure is large, and the actual requirement is difficult to adapt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used for emergent reinforced (rfd) supporting construction that speedily carries out construction, practice thrift cost, recoverable, suitability is strong for the foundation ditch.
The utility model discloses a can realize through following technical scheme:
a supporting structure for emergency rescue and reinforcement of a foundation pit comprises a foundation pit body and a plurality of supporting piles, wherein a plurality of waist beams are fixed on one sides of the supporting piles, an upper counter-force beam is fixed on one of the waist beams, a bottom plate is movably arranged on the base surface of the foundation pit body, a lower counter-force beam is fixed on the bottom plate, an inclined strut steel pipe is fixed between the upper counter-force beam and the lower counter-force beam, and the inclined strut steel pipe is obliquely arranged.
By adopting the technical scheme, the upper counter-force beam, the bottom plate and the lower counter-force beam are arranged, so that the reinforcing effect of the steel pipe inclined strut is more obvious, and the integral stress performance is better; use the steel pipe bracing to consolidate construction convenience, erect and to accomplish the back can the atress, the later stage is demolishd the convenience, can also carry out the secondary and use, combines a plurality of fender piles to consolidate the foundation ditch body for foundation ditch body excavation depth can be darker, and the scheme of strutting is more excellent.
Further setting the following steps: and a fixed end plate is fixed at the joint of the lower counter-force beam and the inclined strut steel pipe, and an embedded steel plate which is connected and matched with the inclined strut steel pipe is fixed on one side of the fixed end plate, which faces the inclined strut steel pipe.
Through adopting above-mentioned technical scheme, the pre-buried steel sheet is convenient for the installation and the dismantlement of bracing steel pipe and bottom plate, utilizes fixed end plate to consolidate the junction of bracing steel pipe and bottom plate, has strengthened the stability of bracing steel pipe and bottom plate junction.
Further setting the following steps: and extension supporting plates are arranged on the bottom plate in an extending mode on two adjacent opposite side faces of the lower reaction beam.
Through adopting above-mentioned technical scheme, improved the horizontal support area of bottom plate, the bracing steel pipe distributes more evenly to the load of bottom plate for bottom plate stability more, it is better to the effect of strutting of foundation ditch body.
Further setting the following steps: a plurality of dowel bars are fixed inside the bottom plate along the height direction of the bottom plate.
Through adopting above-mentioned technical scheme, improved the vertical bracing intensity of bottom plate for the bottom plate is more stable.
Further setting the following steps: and a plurality of fixed steel bars are implanted into one side of the support pile, which faces the upper reaction beam, and the fixed steel bars are fixedly connected with the upper reaction beam.
By adopting the technical scheme, the upper counter-force beam is stable to install and convenient to install and detach.
Further setting the following steps: the upper reaction beam comprises a plurality of supporting steel bars, and stirrups are fixed on the periphery of the supporting steel bars.
Through adopting above-mentioned technical scheme, the shear resistance of counter-force roof beam is strengthened to the stirrup, improves the atress performance of counter-force roof beam for go up more stable of counter-force roof beam.
Further setting the following steps: and an additional steel bar is fixed on one side of the upper counter-force beam, which is far away from the support pile, and the additional steel bar is fixedly connected with a main bar inside the support pile.
By adopting the technical scheme, the connecting area of the upper counter-force beam and the support pile is further increased, the bearing capacity borne by the stress steel bar of the upper counter-force beam is compensated, and the supporting strength of the upper counter-force beam is improved.
Further setting the following steps: and the outer surfaces of the upper counter-force beam, the lower counter-force beam and the inclined strut steel tube are coated with stainless steel coatings.
Through adopting above-mentioned technical scheme, strengthen the corrosion resisting ability of counter-force roof beam, lower counter-force roof beam, bracing steel pipe, the performance is more stable, and life is more permanent.
Further setting the following steps: the fixing and the fixed connection are both welding.
Through adopting above-mentioned technical scheme, be convenient for go up the installation and the dismantlement of counter-force roof beam, lower counter-force roof beam, bracing steel pipe, be convenient for retrieve and reuse.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the upper counter-force beam, the bottom plate and the lower counter-force beam are used for supporting the inclined strut steel pipe, so that the supporting effect is good, the cost performance is high, and the environmental condition adaptability is strong;
(2) utilize the welding to connect the reinforcement, construction convenience, processing cycle is short, raises the efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the middle bottom plate and the lower reaction beam of the present invention;
fig. 3 is a schematic view of a partial structure of the middle support post and the upper reaction beam of the present invention.
Reference numerals: 1. a foundation pit body; 2. supporting piles; 3. a wale; 4. an upper counter-force beam; 5. a base plate; 6. a lower counter-force beam; 7. bracing the steel pipe; 8. fixing the end plate; 9. pre-burying a steel plate; 10. an extension support plate; 11. inserting ribs; 12. fixing the steel bars; 13. supporting the reinforcing steel bars; 14. hooping; 15. and (5) attaching reinforcing steel bars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, do the utility model discloses a supporting construction for foundation ditch emergency rescue is consolidated, including foundation ditch body 1 and a plurality of fender pile 2, a plurality of fender pile 2 parallel arrangement each other.
A plurality of wales 3 are fixed on one side of the plurality of support piles 2 in sequence along the height direction of the support piles, and an upper counter-force beam 4 is fixedly connected to one of the wales 3 in a welding manner. The foundation pit foundation structure is characterized in that a base plate 5 is movably arranged on the foundation pit foundation surface of the foundation pit body 1, the base plate 5 is arranged along the length direction of the upper reaction beam 4, and the base plate 5 is fixedly connected with the foundation pit foundation surface of the foundation pit body 1 through reinforcing steel bars. Counter-force roof beam 6 under its length direction fixedly connected with on the bottom plate 5, it all has reinforced concrete to make and all is the halfpace form with counter-force roof beam 6 down to go up counter-force roof beam 4, the relative setting in one side of going up counter-force roof beam 4 and the slope of counter-force roof beam 6 down, it has bracing steel pipe 7 to go up hoist and mount between counter-force roof beam 4 and the counter-force roof beam 6 down, bracing steel pipe 7 slope sets up, realize bracing steel pipe 7 and last counter-force roof beam 4 and the fixed connection of counter-force roof beam 6 down through the welded mode, the simple convenient installation, construction cycle is short, be convenient for accomplish foundation ditch body 1's supporting construction fast, be convenient for go up counter-force roof beam 4 simultaneously, lower counter-force roof beam 6, the dismantlement.
The outer surfaces of the upper reaction beam 4, the lower reaction beam 6 and the inclined strut steel tube 7 are coated with stainless steel coatings. The corrosion resistance of the upper counter-force beam 4, the lower counter-force beam 6 and the inclined strut steel pipe 7 is enhanced, the performance is more stable, and the service life is longer.
Referring to fig. 2, a plurality of fixed steel bars 12 are implanted into one side of the support pile 2 facing the upper reaction beam 4, the fixed steel bars 12 are perpendicular to the axis of the support pile 2, and two ends of the fixed steel bars 12 penetrate into the support pile 2 and the upper reaction beam 4 respectively and are fixedly connected with the main bars inside the support pile 2 and the upper reaction beam 4 respectively. The fixed reinforcing steel bars 12 are fixedly connected with the upper reaction beam 4, so that the upper reaction beam 4 is stably installed, and the upper reaction beam 4 is convenient to install and detach.
The upper reaction force beam 4 includes a plurality of support bars 13 therein, and stirrups 14 are commonly fixed to the periphery sides of the plurality of support bars 13. The stirrups 14 reinforce the shear resistance of the upper reaction beam 4, and improve the load-carrying capacity of the upper reaction beam 4, so that the upper reaction beam 4 is more stable.
Go up reaction beam 4 and keep away from one side of a fender pile 2 and be fixed with additional reinforcing bar 15, additional reinforcing bar 15 extends the setting along the outside profile of last reaction beam 4, and the both ends of additional reinforcing bar 15 extend to the outer and main muscle fixed connection with fender pile 2 inside of supreme reaction beam 4. The additional reinforcing steel bars 15 further increase the connection area between the upper reaction beam 4 and the support piles 2, make up the bearing capacity borne by the main reinforcing steel bars of the upper reaction beam 4, and improve the support strength of the upper reaction beam 4.
Referring to fig. 3, a fixed end plate 8 is fixed at the joint of the lower reaction beam 6 and the inclined strut steel pipe 7, an embedded steel plate 9 connected and matched with the inclined strut steel pipe 7 is fixed on one side of the fixed end plate 8 facing the inclined strut steel pipe 7, and the fixed end plate 8 and the embedded steel plate 9 are both arranged along the inclined plane of the lower reaction beam 6 in an inclined manner. The pre-buried steel plate 9 is convenient for the installation and the dismantlement of bracing steel pipe 7 and bottom plate 5, utilizes fixed end plate 8 to consolidate the junction of bracing steel pipe 7 and bottom plate 5, has strengthened the stability of bracing steel pipe 7 with bottom plate 5 junction.
The bottom plate 5 is provided with extension support plates 10 extending from two adjacent opposite side surfaces of the lower reaction beam 6, and the extension support plates 10 extend along the width direction of the bottom plate 5. The extension support plate 10 improves the transverse support area of the bottom plate 5, and the inclined support steel pipes 7 distribute the load of the bottom plate 5 more uniformly, so that the bottom plate 5 is more stable, and the supporting effect on the foundation pit body 1 is better. A plurality of dowels 11 are fixed inside the bottom plate 5 in the height direction thereof. The dowel bars 11 improve the vertical support strength of the bottom plate 5, so that the bottom plate 5 is more stable.
The implementation principle and the beneficial effects of the embodiment are as follows:
through installing counter-force roof beam 4 on fender pile 2, counter-force roof beam 6 under the installation on bottom plate 5, install bracing steel pipe 7 between last counter-force roof beam 4 and counter-force roof beam 6 down, be convenient for install fast, be convenient for consolidate fast through the welded mode, can realize after the installation is accomplished that the atress to foundation ditch body 1 is strutted, it is stable to strut, the construction method requires lowly to the environment, it is little to the environmental impact of foundation ditch body 1 simultaneously, be convenient for the continuation excavation of foundation ditch body 1. Meanwhile, the later-stage dismantling is convenient, the secondary utilization can be recovered, and the device is more environment-friendly.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a supporting construction for foundation ditch emergency rescue is consolidated which characterized in that: the foundation pit supporting structure comprises a foundation pit body (1) and a plurality of supporting piles (2), wherein a plurality of waist beams (3) are fixed on one side of the supporting piles (2), an upper counter-force beam (4) is fixed on one waist beam (3), a bottom plate (5) is movably arranged on the base surface of the foundation pit body (1), a lower counter-force beam (6) is fixed on the bottom plate (5), an inclined strut steel pipe (7) is fixed between the upper counter-force beam (4) and the lower counter-force beam (6), and the inclined strut steel pipe (7) is obliquely arranged.
2. The supporting structure for foundation pit emergency rescue reinforcement according to claim 1, wherein a fixed end plate (8) is fixed at the joint of the lower reaction beam (6) and the inclined strut steel pipe (7), and an embedded steel plate (9) connected and matched with the inclined strut steel pipe (7) is fixed on one side of the fixed end plate (8) facing the inclined strut steel pipe (7).
3. The supporting structure for foundation pit emergency rescue reinforcement according to claim 2, wherein the bottom plate (5) is provided with extension plates (10) extending from two adjacent opposite sides of the lower reaction beam (6).
4. The supporting structure for foundation pit emergency rescue reinforcement according to claim 3, characterized in that a plurality of dowel bars (11) are fixed inside the bottom plate (5) along the height direction thereof.
5. The supporting structure for foundation pit emergency rescue reinforcement according to claim 1, characterized in that a plurality of fixing steel bars (12) are implanted into one side of the supporting pile (2) facing the upper reaction beam (4), and the fixing steel bars (12) are fixedly connected with the upper reaction beam (4).
6. The supporting structure for foundation pit emergency rescue reinforcement according to claim 5, wherein a plurality of supporting steel bars (13) are included in the upper counterforce beam (4), and stirrups (14) are jointly fixed on the peripheral sides of the plurality of supporting steel bars (13).
7. The supporting structure for foundation pit emergency rescue reinforcement according to claim 6, wherein an additional steel bar (15) is fixed on one side of the upper counterforce beam (4) far away from the supporting pile (2), and the additional steel bar (15) is fixedly connected with a main steel bar inside the supporting pile (2).
8. The supporting structure for foundation pit emergency rescue reinforcement according to claim 1, wherein the outer surfaces of the upper reaction beam (4), the lower reaction beam (6) and the inclined strut steel tube (7) are coated with stainless steel coatings.
9. The supporting structure for emergency reinforcement of foundation pits according to any one of claims 1 to 7, wherein the fixing and the fixed connection are all welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457038.XU CN209854736U (en) | 2019-04-04 | 2019-04-04 | Supporting structure for emergency rescue and reinforcement of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457038.XU CN209854736U (en) | 2019-04-04 | 2019-04-04 | Supporting structure for emergency rescue and reinforcement of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209854736U true CN209854736U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457038.XU Active CN209854736U (en) | 2019-04-04 | 2019-04-04 | Supporting structure for emergency rescue and reinforcement of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209854736U (en) |
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2019
- 2019-04-04 CN CN201920457038.XU patent/CN209854736U/en active Active
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