CN207727590U - Foundation pit supporting construction applied to deep layer tunnel drainage engineering - Google Patents
Foundation pit supporting construction applied to deep layer tunnel drainage engineering Download PDFInfo
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- CN207727590U CN207727590U CN201721840617.XU CN201721840617U CN207727590U CN 207727590 U CN207727590 U CN 207727590U CN 201721840617 U CN201721840617 U CN 201721840617U CN 207727590 U CN207727590 U CN 207727590U
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- foundation pit
- supporting construction
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- deep layer
- bearing plate
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Abstract
The utility model discloses a kind of foundation pit supporting constructions applied to deep layer tunnel drainage engineering,It is related to the realm of building construction,The problem of foundation pit supporting construction corrosion being easily led to for the infiltration water of tunnel foundation pit in the prior art and influencing the reliability and stability of foundation pit supporting construction,Provide following technical scheme,Including supporting rack,The top of supporting rack is fixed with the bearing plate with tunnel foundation pit contacted inner surfaces,Hydrophobic structure is provided at the top of bearing plate,Hydrophobic structure is by extending to the bottom of tunnel foundation pit at the top of tunnel foundation pit,The infiltration water of tunnel foundation pit is drained by being set to the hydrophobic structure on the bearing plate of tunnel foundation pit contacted inner surfaces the bottom of bearing plate,And then reduces infiltration water and penetrated into downwards in each connection structure from bearing plate,And then reduce the corrosion of bearing plate connection structure below,To improve the whole reliability and stability of tunnel foundation pit supporting construction.
Description
Technical field
The utility model is related to the realm of building construction, more specifically, it relates to which a kind of being applied to deep layer tunnel drainage work
The foundation pit supporting construction of journey.
Background technology
With the increasing of the expansion and construction density in city, hardened ground rate is more and more high, original reservoir, massif, lake
Pool, fish pond are gradually occupied, and creek section is more and more narrow, and water storage, draining and the natural purifying ability in city weaken significantly, city
Water logging and waterlogging take place frequently；In addition, the high density of population and urban construction density makes city surface source pollution load increase rapidly,
The pollution load of overflow getting worse in rainy season combined system area；Building dense and underground utilities are complicated crowded so that by with building shallow-layer
Lower drainage pipe becomes abnormal difficult and costly to improve standard of drainage and improve a section dirty system；
Become the inevitable choice of urban development using underground deep layer spatial construction large size outlet tunnel to solve drainage problem.
Currently, the Chinese patent that notification number is CN206554092U disclose it is a kind of applied to deep layer tunnel drainage engineering
Foundation pit supporting construction, it includes curved roof, and the both ends bottom of curved roof is equipped with crossbeam, and the both ends bottom of crossbeam is equal
It is connected with the montant perpendicular to crossbeam, the bottom of montant and the track slot of sliding rail are slidably connected, and the bottom of two sliding rails passes through bottom
Bar connects, and is connected by first baffle between two montants, and connected by second baffle between two sliding rails, and two montants
It is connected by U-shaped connecting rod close to the side of curved roof, and a middle side part of the U-shaped connecting rod far from first baffle is equipped with fixed block,
The bottom centre of montant is equipped with shaft, and the bottom end of shaft is rotatably connected to lever.
Although this foundation pit supporting construction sound construction applied to deep layer tunnel drainage engineering, the inner wall of foundation pit generates
When the phenomenon that seeps water, infiltration can be in each connection structure that top plate flows below top plate, and then connection structure can be caused to become rusty
Erosion, and then the integrally-built reliability of pattern foundation pit supporting structure and stability are influenced, therefore there is room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind being applied to deep layer tunnel drainage
The foundation pit supporting construction of engineering has the advantages that the stability and reliability that reduce corrosion, improve structure.
To achieve the above object, the utility model provides following technical solution：
A kind of foundation pit supporting construction applied to deep layer tunnel drainage engineering, including supporting rack, the top of support frame as described above
It is fixed with the bearing plate with tunnel foundation pit contacted inner surfaces, hydrophobic structure, the hydrophobic knot are provided at the top of the bearing plate
Structure is by extending to the bottom of tunnel foundation pit at the top of tunnel foundation pit.
Using above-mentioned technical proposal, when tunnel, foundation pit seeps water, the water of infiltration is through the hydrophobic structure on bearing plate
From the top water conservancy diversion of tunnel foundation pit to the bottom of tunnel foundation pit, and then reduce the infiltration water of tunnel foundation pit to passing through along bearing plate stream
It moves on supporting rack, reduces the possibility that the corrosion of supporting rack occurs for infiltration water, and then increase tunnel pattern foundation pit supporting structure and integrally tie
The reliability and stability of structure.
Preferably, the hydrophobic structure includes with the fixed plate body of bearing plate and being set to several cavitys of plate body, phase
Cavity described in neighbour is interconnected, and the plate body is provided with the diversion being connected to cavity on one side with tunnel foundation pit contacted inner surfaces
Hole.
Using above-mentioned technical proposal, the water that tunnel foundation pit infiltrates is guided into cavity by priming hole, Jin Ertong
It crosses interconnected cavity and is guided water is permeated to the bottom of tunnel foundation pit, achieved the effect that infiltration water drainage.
Preferably, the cavity is cellular.
Using above-mentioned technical proposal, the structural strength of cellular cavity is good, on the one hand has plate body good hydrophobic
Property, on the other hand make plate body that there is preferable structural strength.
Preferably, the bottom of the plate body is provided with the drainpipe being connected to cavity.
Using above-mentioned technical proposal, the hydrophobic structure of plate body drains into the water of infiltration in the drainpipe below plate body, row
Water pipe drains the infiltration water concentration that water conservancy diversion is come in, and then reduces the infiltration water drained from plate body and directly wash away tunnel foundation pit
The destruction to tunnel bottom of foundation ditch is reduced in bottom.
Preferably, waterproofing protection interlayer is provided between the plate body and bearing plate.
Using above-mentioned technical proposal, plate body and bearing plate are separated by waterproofing protection interlayer, further barrier infiltration water
Infiltration to bearing plate further decreases infiltration possibility of the water to the infiltration of plate body each connection structure below.
Preferably, filter assemblies are provided in the priming hole.
Using above-mentioned technical proposal, by being set to the filter assemblies of priming hole by the inner surface of priming hole and tunnel foundation pit
Be isolated and be filtered the infiltration water for penetrating into plate body, reducing infiltration water will draw during flowing into the light body of plate body
The possibility that water hole blocks.
Preferably, the filter assemblies include be fixed on plate body and with the big sieve of the contacted inner surfaces of tunnel foundation pit and
It is fixed on small strainer of the big sieve far from tunnel foundation pit side.
The inner surface of priming hole and tunnel foundation pit is separated, and then will be larger by big sieve using above-mentioned technical proposal
Possibility the large granular impurity of diversion hole plug is isolated, and then smaller particle impurity is filtered by small strainer,
Good filtration effect reaches and reduces infiltration water penetration and make the impurity of drive tunnel foundation pit inner surface by the possibility of diversion hole plug.
Preferably, support frame as described above includes several montants and cross bar, and several montants pass through several screw threads with cross bar
Connector connects, and the bottom of the montant is provided with support plate.
Using above-mentioned technical proposal, montant is connected through a screw thread part with cross bar and connect, and then provides support for bearing plate, erects
The support plate of bar bottom increases the contact area on montant and ground, and then reduces pressure of the montant to ground, and then reduces perpendicular
Bar keeps montant easily disassembled in the sagging degree on ground.
Preferably, the bottom surface of the support plate is provided with the anchor post on pluggable ground.
Using above-mentioned technical proposal, anchor post is inserted into ground, and then increases the earth-grasping force of support plate, and then keeps frame more steady
Gu.
In conclusion the utility model has the advantages that：
1. by being set to the infiltration of tunnel foundation pit with the hydrophobic structure on the bearing plate of tunnel foundation pit contacted inner surfaces
Water drains into the bottom of bearing plate, and then reduces infiltration water and penetrated into downwards in each connection structure from bearing plate, and then reduces
The corrosion of bearing plate connection structure below, to improve the whole reliability and stability of tunnel foundation pit supporting construction；
2. the water for penetrating into hydrophobic structure is filtered by the filter assemblies of the priming hole by being set to bearing plate, reduce
The possibility that priming hole blocks, to further increase the reliability of tunnel foundation pit supporting construction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1；
Fig. 3 is the enlarged drawing in the portions B in Fig. 1；
Fig. 4 is the structural schematic diagram of bearing plate in the utility model embodiment.
In figure：1, supporting rack；11, montant；12, cross bar；2, tunnel foundation pit；3, bearing plate；31, hydrophobic structure；311, plate
Body；3111, limbers；3112, priming hole；312, cavity；4, drainpipe；5, filter assemblies；51, big sieve；52, small strainer；
6, waterproofing protection interlayer；7, threaded connector；8, support plate；81, anchor post.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
A kind of foundation pit supporting construction applied to deep layer tunnel drainage engineering referring to Fig. 1, including supporting rack 1, is set to branch
The top of support 1 and the bearing plate 3 to offset with the inner wall of tunnel foundation pit.
Referring to Fig. 4, bearing plate 3 is provided with hydrophobic structure 31, hydrophobic structure 31 with the inner surface that foundation pit 2 inner wall in tunnel offsets
Several cavitys 312 for including and bearing plate 3 fixed plate body 311 and being set in plate body 311, plate body 311 and tunnel foundation pit
Inner wall fitting it is domed, cavity 312 be it is cellular, limbers 3111, several cavitys are offered on each face of cavity 312
312 are interconnected by limbers 3111, and plate body 311 is provided with the diversion being connected to wall on one side with what tunnel foundation pit 2 offseted
Hole 3112.
Referring to Fig. 1 and Fig. 2, the bottom of plate body 311 is fixed with the drainpipe 4 being connected to cavity 312, passes through priming hole
The 3112 infiltration water for being directed into cavity 312, which flow to concentrate in drainpipe 4, drains.
Referring to Fig. 4, filter assemblies 5 are provided in priming hole 3112, filter assemblies 5 include offseting with 2 inner wall of tunnel foundation pit
The larger big sieve 51 of bore hole size and be bonded with big sieve 51 and far from the small strainer 52 of tunnel foundation pit inner wall setting, it is small
The hole of strainer 52 is smaller compared to big sieve 51, and the impurity such as the dust of larger particles are carried out primary mistake by big sieve 51
Filter, and then secondary filter is carried out by small strainer 52, it further decreases infiltration water and enters the impurity general driven when priming hole 3112
The possibility that priming hole 3112 blocks.
Referring to Fig. 4, it is provided with waterproofing protection interlayer 6 between plate body 311 and bearing plate 3, and then reduces infiltration water and passes through plate
Body 311 penetrates into the possibility of bearing plate 3.
Referring to 1 and Fig. 3, supporting rack 1 includes several montants 11 and cross bar 12, is provided between cross bar 12 and montant 11
Threaded connector 7, several montants 11 are connected through a screw thread part 7 with cross bar 12 and are connected to the offer support of bearing plate 3, this implementation
In example, threaded connector 7 is bolt nut structure.
Referring to Fig. 1 and Fig. 2, the bottom of montant 11 is fixedly installed support plate 8, and the bottom of support plate 8 is provided with several
Anchor post 81 increases the contact area of the stabilizer blade and ground of supporting rack 1 by support plate 8, and then reduces supporting rack 1 for ground
Pressure is difficult deeply the case where extraction to reduce supporting rack 1 to be absorbed in ground relatively；Anchor post 81 is inserted into ground and then increases support plate
8 earth-grasping force, and then increase the stability of supporting rack 1.
The use process and principle of the utility model embodiment：
After supporting rack 1 and bearing plate 3 are installed, the inner wall of top plate and tunnel foundation pit offsets, when the inner wall of tunnel foundation pit
When generating infiltration water, infiltration water passes through big sieve 51, small strainer 52 to enter in cavity 312 by priming hole 3112, and then cavity
Infiltration water in 312, which flows downward, to be collected in drainpipe 4, and then is drained by drainpipe 4, is reduced infiltration water and is passed through undertaking
Plate 3 flow downward so that the threaded connector 7 that makes on supporting rack 1 theres is a situation where corrosion occurs, to reduce infiltration water influence
The overall stability of tunnel foundation pit supporting construction.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of foundation pit supporting construction applied to deep layer tunnel drainage engineering, including supporting rack (1), support frame as described above (1)
Top is fixed with the bearing plate (3) with tunnel foundation pit (2) contacted inner surfaces, it is characterized in that：The top of the bearing plate (3) is arranged
There is a hydrophobic structure (31), the hydrophobic structure (31) is by extending to the bottoms of tunnel foundation pit (2) at the top of tunnel foundation pit (2).
2. the foundation pit supporting construction according to claim 1 applied to deep layer tunnel drainage engineering, it is characterized in that：It is described to dredge
Water-bound (31) includes with bearing plate (3) fixed plate body (311) and being set to several cavitys (312) of plate body (311), phase
Cavity (312) described in neighbour is interconnected, the plate body (311) and tunnel foundation pit (2) contacted inner surfaces be provided on one side with
The priming hole (3112) of cavity (312) connection.
3. the foundation pit supporting construction according to claim 2 applied to deep layer tunnel drainage engineering, it is characterized in that：The chamber
Body (312) is cellular.
4. the foundation pit supporting construction according to claim 2 applied to deep layer tunnel drainage engineering, it is characterized in that：The plate
The bottom of body (311) is provided with the drainpipe (4) being connected to cavity (312).
5. the foundation pit supporting construction according to claim 2 applied to deep layer tunnel drainage engineering, it is characterized in that：The plate
Waterproofing protection interlayer (6) is provided between body (311) and bearing plate (3).
6. the foundation pit supporting construction according to claim 2 applied to deep layer tunnel drainage engineering, it is characterized in that：It is described to draw
It is provided with filter assemblies (5) in water hole (3112).
7. the foundation pit supporting construction according to claim 6 applied to deep layer tunnel drainage engineering, it is characterized in that：The mistake
Filter component (5) include be fixed on plate body (311) and with the big sieve (51) of the contacted inner surfaces of tunnel foundation pit (2) and be fixed on
Big small strainer (52) of the sieve (51) far from tunnel foundation pit (2) side.
8. the foundation pit supporting construction according to claim 7 applied to deep layer tunnel drainage engineering, it is characterized in that：The branch
Support (1) includes several montants (11) and cross bar (12), and several montants (11) are connected with cross bar (12) by several screw threads
Fitting (7) connects, and the bottom of the montant (11) is provided with support plate (8).
9. the foundation pit supporting construction according to claim 8 applied to deep layer tunnel drainage engineering, it is characterized in that：The branch
The bottom surface of support plate (8) is provided with the anchor post (81) on pluggable ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840617.XU CN207727590U (en) | 2017-12-23 | 2017-12-23 | Foundation pit supporting construction applied to deep layer tunnel drainage engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840617.XU CN207727590U (en) | 2017-12-23 | 2017-12-23 | Foundation pit supporting construction applied to deep layer tunnel drainage engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207727590U true CN207727590U (en) | 2018-08-14 |
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ID=63086198
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721840617.XU Active CN207727590U (en) | 2017-12-23 | 2017-12-23 | Foundation pit supporting construction applied to deep layer tunnel drainage engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344862A (en) * | 2019-07-10 | 2019-10-18 | 河南城建学院 | A kind of foundation pit support device for tunnel drainage engineering |
| CN111173001A (en) * | 2020-02-22 | 2020-05-19 | 王笑然 | Multi-row pile foundation pit supporting structure |
-
2017
- 2017-12-23 CN CN201721840617.XU patent/CN207727590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344862A (en) * | 2019-07-10 | 2019-10-18 | 河南城建学院 | A kind of foundation pit support device for tunnel drainage engineering |
| CN111173001A (en) * | 2020-02-22 | 2020-05-19 | 王笑然 | Multi-row pile foundation pit supporting structure |
| CN111173001B (en) * | 2020-02-22 | 2021-08-06 | 广东新业建设股份有限公司 | Multi-row pile foundation pit supporting structure |
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