CN213448586U - Strong permeable stratum deep buried underground structure anti-floating pressure relief device - Google Patents
Strong permeable stratum deep buried underground structure anti-floating pressure relief device Download PDFInfo
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- CN213448586U CN213448586U CN202021754722.3U CN202021754722U CN213448586U CN 213448586 U CN213448586 U CN 213448586U CN 202021754722 U CN202021754722 U CN 202021754722U CN 213448586 U CN213448586 U CN 213448586U
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- bottom plate
- steel pipe
- galvanized steel
- relief device
- pressure relief
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Abstract
The utility model discloses an anti pressure relief device that floats of underground structure is buried deeply in stratum of permeating water by force, including bottom plate, DN65 galvanized steel pipe and original state stratum, be provided with on the bottom plate and reserve later stage shutoff hole, reserve the downthehole fixed mounting of later stage shutoff and have DN65 valve, run through being provided with DN65 galvanized steel pipe in the bottom plate, DN65 galvanized steel pipe and DN65 valve fixed connection, be provided with the rubble in the original state stratum, DN65 galvanized steel pipe keeps away from the one end of DN65 valve and is located the rubble, link up the bottom plate when bottom plate bed course and bottom plate are pour through pressure relief device and bury underground, and after completion is pour to bed course and bottom plate, groundwater accessible pressure relief device discharges and reaches the purpose of release groundwater pressure, and the stagnant water steel sheet can prevent that groundwater from oozing from the gap between DN65 galvanized steel pipe.
Description
Technical Field
The utility model relates to a groundwater pressure release field specifically is an anti pressure relief device that floats of underground structure is buried deeply to stratum of permeating water by force.
Background
Along with the continuous development of urbanization in China, urban construction continuously expands space to the air and underground, the problem of the air space in urban construction is better solved, but the problem of land pressure and the problem of underground water are also solved in the development of the underground space, and the stability of the underground water is related to the stability of the underground construction.
The general subway foundation pit engineering adopts well point dewatering, reserves a well head at the dewatering well position in the process of pouring the bottom plate of the station, continues to pump and drain underground water until the dewatering well is plugged after the earthwork of the top plate of the station is backfilled, but the dewatering well is easily damaged by a digging machine in the process of digging the foundation pit, the dewatering well cannot be used before the excavation of the foundation pit is finished, and the underground water cannot be pumped and drained to the designed water level before the pouring of the bottom plate because the dewatering well is damaged, so that the pressure of the underground water can cause the cracking of the bottom plate after the pouring of the bottom plate, the floating of.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti pressure relief device that floats of underground structure is buried deeply to the stratum that permeates water by force to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an anti pressure relief device that floats of underground structure is buried deeply to strong permeable stratum, includes bottom plate, DN65 galvanized steel pipe and original state stratum, be provided with on the bottom plate and reserve later stage shutoff hole, reserve the downthehole fixed mounting of later stage shutoff and have DN65 valve, run through being provided with DN65 galvanized steel pipe in the bottom plate, DN65 galvanized steel pipe and DN65 valve fixed connection, be provided with the rubble in the original state stratum, DN65 galvanized steel pipe keeps away from the one end of DN65 valve and is located the rubble.
Furthermore, a water stop steel plate is arranged in the bottom plate in a pouring mode, and the water stop steel plate is fixedly installed on the outer side of the DN65 galvanized steel pipe.
Further, a cushion layer is poured between the bottom plate and the undisturbed stratum.
Furthermore, the outside of the DN65 galvanized steel pipe is plated with a zinc layer.
Further, the gravel is positioned below the cushion layer.
Compared with the prior art, the beneficial effects of the utility model are that: the pressure relief device is used for penetrating through the bottom plate and embedding the bottom plate when the bottom plate cushion layer and the bottom plate are poured, after the cushion layer and the bottom plate are poured, underground water can be discharged through the pressure relief device to achieve the purpose of releasing the pressure of the underground water, and the water stop steel plate can prevent the underground water from seeping out from a gap between the DN65 galvanized steel pipe and the bottom plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-bottom plate, 2-reserved later-stage plugging holes, 3-DN65 valve, 4-DN65 galvanized steel pipe, 5-water stop steel plate, 6-cushion layer, 7-undisturbed stratum and 8-broken stone.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Please refer to fig. 1, in the embodiment of the present invention, an anti-floating pressure relief device of a deep buried underground structure in a water permeable stratum, includes a bottom plate 1, a DN65 galvanized steel pipe 4 and an original state stratum 7, a reserved later-stage plugging hole 2 is provided on the bottom plate 1, a DN65 valve 3 is fixedly installed in the reserved later-stage plugging hole 2, a DN65 galvanized steel pipe 4 is penetratingly provided in the bottom plate 1, the DN65 galvanized steel pipe 4 is fixedly connected with the DN65 valve 3, a broken stone 8 is provided in the original state stratum 7, one end of the DN65 galvanized steel pipe 4, which is far away from the DN65 valve 3, is located in the broken stone 8, and the DN65 galvanized steel pipe 4 is prevented from being blocked by filtering the broken stone 8.
A water stop steel plate 5 is arranged in the bottom plate 1 in a pouring mode, the water stop steel plate 5 is fixedly installed on the outer side of the DN65 galvanized steel pipe 4, and underground water can be prevented from rushing up to the surface of the bottom plate 1 from the outer side of the DN65 galvanized steel pipe 4.
A cushion layer 6 is poured between the bottom plate 1 and the undisturbed stratum 7, water in the water storage tank 8 can be prevented from directly contacting the bottom plate 1, and the cushion layer 6 can buffer the extrusion between the bottom plate 1 and the undisturbed stratum 7.
Example 2
Referring to fig. 1, in the embodiment of the present invention, the outside of the DN65 galvanized steel pipe 4 is plated with a zinc layer, which can slow down the oxidation of the DN65 galvanized steel pipe 4 and ensure the long-term stable use of the DN65 galvanized steel pipe 4.
The rubble 8 is located the below of bed course 6, and bed course 6 forms the stable space of a square with undisturbed stratum 7, can guarantee that rubble 8 position is stable in undisturbed stratum 7, can filter the large granule impurity of groundwater.
The utility model discloses a theory of operation is: the position of DN65 galvanized steel pipe 4 is fixed by cushion layer 6 and water stop steel plate 5 poured on undisturbed stratum 7, underground water is filtered by gravel 8 in undisturbed stratum 7 and then enters DN65 galvanized steel pipe 4, water stop steel plate 5 fixedly installed on the outer side of DN65 galvanized steel pipe 4 can prevent underground water from overflowing from the outer side of DN65 galvanized steel pipe 4, and DN65 valve 3 fixedly installed in reserved later-stage plugging hole 2 and fixedly connected with DN65 galvanized steel pipe 4 can release water by pressure.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an anti pressure relief device that floats of underground structure is buried deeply in layer of permeating water by force, includes bottom plate (1), DN65 galvanized steel pipe (4) and original state stratum (7), a serial communication port, be provided with on bottom plate (1) and reserve later stage shutoff hole (2), it has DN65 valve (3) to reserve later stage shutoff hole (2) internal fixation, run through being provided with DN65 galvanized steel pipe (4) in bottom plate (1), DN65 galvanized steel pipe (4) and DN65 valve (3) fixed connection, be provided with rubble (8) in the original state stratum (7), the one end that DN65 valve (3) were kept away from in DN65 galvanized steel pipe (4) is located rubble (8).
2. The anti-floating pressure relief device of the deep buried underground structure of the strongly permeable stratum according to claim 1, characterized in that a water stop steel plate (5) is cast in the bottom plate (1), and the water stop steel plate (5) is fixedly installed at the outer side of the DN65 galvanized steel pipe (4).
3. The anti-floating and pressure-relief device for the deep-buried underground structure of the water-permeable stratum according to claim 2, wherein a cushion layer (6) is poured between the bottom plate (1) and the undisturbed stratum (7).
4. The anti-floating pressure relief device of the underground structure deeply buried in the permeable stratum according to claim 2, wherein the outside of the DN65 galvanized steel pipe (4) is plated with a zinc layer.
5. The anti-floating pressure relief device for the deep buried underground structure in the stratum with high water permeability as claimed in claim 1, wherein the gravels (8) are positioned below the cushion layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754722.3U CN213448586U (en) | 2020-08-21 | 2020-08-21 | Strong permeable stratum deep buried underground structure anti-floating pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754722.3U CN213448586U (en) | 2020-08-21 | 2020-08-21 | Strong permeable stratum deep buried underground structure anti-floating pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213448586U true CN213448586U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021754722.3U Active CN213448586U (en) | 2020-08-21 | 2020-08-21 | Strong permeable stratum deep buried underground structure anti-floating pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213448586U (en) |
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2020
- 2020-08-21 CN CN202021754722.3U patent/CN213448586U/en active Active
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