CN212656247U - Deep foundation pit plugging device - Google Patents
Deep foundation pit plugging device Download PDFInfo
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- CN212656247U CN212656247U CN202021011476.2U CN202021011476U CN212656247U CN 212656247 U CN212656247 U CN 212656247U CN 202021011476 U CN202021011476 U CN 202021011476U CN 212656247 U CN212656247 U CN 212656247U
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Abstract
A deep foundation pit leakage stopping device is fixedly attached to a crack leakage position of a foundation pit wall and comprises a steel plate shaped like a Chinese character 'ji', wherein a boss is manufactured in the middle of the steel plate shaped like the Chinese character 'ji', and connecting flat plates which are hermetically attached to the foundation pit wall are manufactured on two sides of the steel plate shaped like the Chinese character 'ji'; a flow guide through hole is formed in the middle of the boss, and a high-strength mortar layer is filled in the gap between the boss and the foundation pit wall; the connecting flat plates are both penetrated and are in threaded connection with a plurality of expansion bolts. The leakage blocking device is a modular product which can be widely suitable for emergency leakage blocking of the foundation pit support structure on site, can ensure that leakage points are blocked quickly and effectively when the foundation pit support structure has a leakage dangerous situation, and is simple in structure and easy to construct.
Description
Technical Field
The utility model relates to a construction technical field relates to a deep basal pit plugging device.
Background
The foundation pit enclosure structure is an underground concealed project, and the foundation pit construction and the surrounding environment are greatly influenced by the water leakage of the foundation pit, so that the water leakage position needs to be subjected to leak stoppage treatment in time in the foundation pit excavation process. In addition, in the leakage process, if the sand gushing phenomenon occurs, sand and soil gush out along with gushing water, so that the foundation pit is damaged, and the leakage stoppage work under the condition is more urgent and complex.
The common water leakage plugging measures at present mainly adopt the following methods:
firstly, adopting ordinary portland cement and water glass as grouting materials, and guiding holes on the back of a foundation pit for grouting;
and secondly, directly plugging the soil facing side of the foundation pit by using quick-setting cement as a plugging material or grouting after plugging by using a steel plate.
The conventional treatment measures at present have the following problems:
1. in the actual operation process of the foundation pit back hole leading grouting method, because the actual height of a water leakage part from the ground is not known, if the water leakage condition occurs in the deep inner part of the foundation pit, the hole leading time is long, the pipe plugging phenomenon can also occur to the plugging material during grouting, and the plugging can not be smoothly realized. In the grouting process, the grouting effect cannot be ensured, and the hidden danger of secondary water leakage exists;
2. directly plugging the leaking water part by using a plugging material, firstly finding the leaking water part, and then using quick-drying quick-hardening cement as the plugging material, wherein if the water flow is large, the leaking water can be flushed down by the water;
3. the steel plate is fixed by the expansion bolts and is plugged by a grouting method, a leakage opening is large, the leakage position is deep, the water pressure at the leakage position is huge, when the water flow is urgent, the grouting material is difficult to be ensured to be quickly solidified, the plugging effect is poor, and a gap between the steel plate and the enclosure structure cannot be plugged, so that the seepage phenomenon exists.
Through published patent search, the following patent schemes are found to be similar to the scheme:
the utility model provides a stagnant water measure (CN210395371U) that bottom plate and basement outer wall were worn to excavation supporting steel pipe bracing a excavation supporting steel pipe bracing wears bottom plate and basement outer wall, includes outer wall and floor, opens in the floor and is equipped with the foundation ditch, and is connected with the steel pipe in the foundation ditch, and the one end that the foundation ditch was kept away from to the steel pipe runs through outer wall and fixedly connected with self-compaction concrete. The utility model has the advantages that the steel pipe is obliquely connected between the basement outer wall and the floor, on one hand, the water stop wing ring is connected on the outer wall of the steel pipe, and the elliptical steel plate is welded inside the steel pipe, so as to provide the first water stop protection; on the other hand, the self-compacting concrete is connected to one end, penetrating through the outer wall, of the steel pipe, so that the limiting support can be provided for the outer wall, and a second water stop protection can be provided for the outer wall; compromise inside and outside stagnant water measure of steel pipe bracing, ensured concrete structure intensity again simultaneously, can effectively stagnant water when guaranteeing structure security, prevent that the seepage hidden danger from appearing in the basement structure.
Through the analysis, there is great difference in the leaking stoppage bearing structure and drainage leaking stoppage effect of above-mentioned patent and this application, consequently does not influence the novelty of this application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a deep basal pit plugging device, this plugging device is the modularization product that can extensively adapt to the emergent leaking stoppage of on-the-spot foundation ditch envelope, can guarantee when foundation ditch envelope takes place the seepage dangerous situation, quick effectual carries out the shutoff to the seepage point, and simple structure, easily construction.
A deep foundation pit leakage stopping device is fixedly attached to a crack leakage position of a foundation pit wall and comprises a steel plate shaped like a Chinese character 'ji', wherein a boss is manufactured in the middle of the steel plate shaped like the Chinese character 'ji', and connecting flat plates which are hermetically attached to the foundation pit wall are manufactured on two sides of the steel plate shaped like the Chinese character 'ji'; a flow guide through hole is formed in the middle of the boss, and a high-strength mortar layer is filled in the gap between the boss and the foundation pit wall; the connecting flat plates are both penetrated and are in threaded connection with a plurality of expansion bolts.
And the guide pipe is hermetically and penetratingly connected in the guide through hole, one end of the guide pipe, which is positioned on the inner wall of the boss, is attached to the crack of the foundation pit wall, and one end of the guide pipe, which is positioned on the outer wall of the boss, extends outwards and guides leaked liquid of the crack.
And the two sides and the bottom of the steel plate in the shape of the Chinese character ji are coated with quick-setting cement layers sealed with the foundation pit wall.
The utility model has the advantages and the technical effect be:
the utility model discloses a deep basal pit plugging device's concrete technological effect as follows: 1. high-strength mortar is filled between the wall of the foundation pit and the inverted U-shaped steel plate, so that the cracks and seepage paths at seepage points are blocked, and the deformation resistance of the cracks and the seepage points is enhanced; 2. the diversion pipe is arranged in the middle of the steel plate shaped like the Chinese character ji and is used for dredging underground water when the water pressure is larger, so that the quick combination of the plugging material and the water seepage point position is facilitated, the plugging material cannot be easily dispersed by the seepage water, and the quick solidification of the plugging material is accelerated. 3. The steel plate in the shape of the Chinese character ji has the size of 500 x 1000 x 3mm, is fixedly sealed with the foundation pit wall through expansion bolts and a quick-setting cement layer, and has the advantages of low manufacturing cost, convenient construction, low loss and the like.
The utility model discloses a deep basal pit plugging device can extensively adapt to in-situ foundation ditch enclosure emergency plugging construction operation, can guarantee when foundation ditch enclosure takes place the seepage dangerous situation, and quick modularization installation can effectually carry out the shutoff to the seepage point, and simple structure, and easily construction is a deep basal pit plugging device who has higher creativity.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
in the figure: 1-a foundation pit wall; 2-expansion bolts; 3- "Ji" shaped steel plate; 4-high strength mortar layer; 5-a flow guide pipe; 6-boss; 7-connecting the plates; 8-quick setting cement layer; 9-cracking; 10-a flow guide through hole.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A deep foundation pit leakage stopping device is fixedly attached to a leakage position of a crack 9 of a foundation pit wall 1 and comprises a steel plate 3 shaped like a Chinese character 'ji', wherein a boss 6 is manufactured in the middle of the steel plate shaped like the Chinese character 'ji', and connecting flat plates 7 which are hermetically attached to the foundation pit wall are manufactured on two sides of the steel plate shaped like the Chinese character 'ji'; a flow guide through hole 10 is formed in the middle of the boss, and a high-strength mortar layer 4 is filled in the gap between the boss and the wall of the foundation pit; the connection plates are penetrated and are in threaded connection with a plurality of expansion bolts 2.
And the guide pipe 5 is hermetically and penetratingly connected in the guide through hole, one end of the guide pipe, which is positioned on the inner wall of the boss, is attached to the crack of the foundation pit wall, and one end of the guide pipe, which is positioned on the outer wall of the boss, extends outwards and guides leaked liquid of the crack.
And the two sides and the bottom of the inverted U-shaped steel plate are coated with quick-setting cement layers 8 sealed with the foundation pit wall.
In order to more clearly describe the embodiments of the present invention, an example is provided below:
the utility model relates to a deep foundation pit plugging device, as shown in figures 1 to 2, a steel plate with a shape like a Chinese character 'ji' is a steel plate machined part which is 3mm thick, 1m high, 0.5m wide and is provided with holes on two connecting flat plates at two sides; the connecting flat plates on the two sides of the inverted U-shaped steel plate are provided with 8 holes with the aperture of 2cm in total, and the distance between the adjacent holes on one side is set to be 0.25 m; the middle of the inverted U-shaped steel plate is a convex shape (boss), a stable interlayer with the thickness of 4cm is formed between the inverted U-shaped steel plate and the enclosure structure (foundation pit wall) after installation and fixation, and high-strength mortar can be filled in the interlayer; the middle part of the steel plate shaped like a Chinese character ji is hermetically provided with a flow guide pipe through a flow guide through hole, one end of the flow guide pipe is connected with a crack or a leakage point, the other end of the flow guide pipe penetrates through the steel plate shaped like a Chinese character ji for flow guide, and the length of the flow guide pipe is not less than 2 m; after the connecting flat plates on the two sides of the U-shaped steel plate are fixed by expansion bolts, the two sides and the bottom of the U-shaped steel plate are sealed by rapid-setting cement, so that the plugging effect is ensured. The stable interlayer between the sealing structure and the enclosure structure (foundation pit wall) is filled with high-strength mortar, so that the seepage path at the leakage point is blocked, the deformation resistance at the leakage point is enhanced, and finally, in order to avoid the leakage point from damaging the leakage stopping device due to overhigh pressure and even further leakage, the guide pipe is designed to lead out leakage liquid.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (3)
1. The utility model provides a deep basal pit plugging device, this plugging device is fixed to be laminated in the crack leakage department of foundation ditch wall, its characterized in that: the steel plate comprises a steel plate shaped like a Chinese character 'ji', wherein a boss is manufactured in the middle of the steel plate shaped like the Chinese character 'ji', and connecting flat plates which are hermetically attached to the wall of a foundation pit are manufactured on two sides of the steel plate shaped like the Chinese character 'ji'; a flow guide through hole is formed in the middle of the boss, and a high-strength mortar layer is filled in a gap between the boss and the wall of the foundation pit; and the connecting flat plates are both penetrated and are in threaded connection with a plurality of expansion bolts.
2. The deep foundation pit plugging device according to claim 1, wherein: the guide through hole is internally sealed and is penetratingly connected with a guide pipe, one end of the guide pipe, which is positioned on the inner wall of the boss, is attached to the crack of the foundation pit wall, and one end of the guide pipe, which is positioned on the outer wall of the boss, extends outwards and guides leaked liquid of the crack.
3. The deep foundation pit plugging device according to claim 1, wherein: and quick-setting cement layers sealed with the foundation pit wall are coated on the two sides and the bottom of the inverted U-shaped steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011476.2U CN212656247U (en) | 2020-06-05 | 2020-06-05 | Deep foundation pit plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011476.2U CN212656247U (en) | 2020-06-05 | 2020-06-05 | Deep foundation pit plugging device |
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| Publication Number | Publication Date |
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| CN212656247U true CN212656247U (en) | 2021-03-05 |
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| CN202021011476.2U Active CN212656247U (en) | 2020-06-05 | 2020-06-05 | Deep foundation pit plugging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319313A (en) * | 2021-12-14 | 2022-04-12 | 上海市基础工程集团有限公司 | Device and method for crack type water leakage repairing aiming at gaps between supporting piles |
| CN115217092A (en) * | 2022-07-25 | 2022-10-21 | 上海市基础工程集团有限公司 | Reinforcement cage structure for treating leakage of joint or wall body and construction method |
-
2020
- 2020-06-05 CN CN202021011476.2U patent/CN212656247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319313A (en) * | 2021-12-14 | 2022-04-12 | 上海市基础工程集团有限公司 | Device and method for crack type water leakage repairing aiming at gaps between supporting piles |
| CN115217092A (en) * | 2022-07-25 | 2022-10-21 | 上海市基础工程集团有限公司 | Reinforcement cage structure for treating leakage of joint or wall body and construction method |
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