CN212388576U - Drainage and seepage-proofing device for deep foundation pit - Google Patents
Drainage and seepage-proofing device for deep foundation pit Download PDFInfo
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- CN212388576U CN212388576U CN202020283572.6U CN202020283572U CN212388576U CN 212388576 U CN212388576 U CN 212388576U CN 202020283572 U CN202020283572 U CN 202020283572U CN 212388576 U CN212388576 U CN 212388576U
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Abstract
The utility model discloses a drainage and seepage-proofing device for a deep foundation pit, which is used for automatically discharging underground water at the inner side of the foundation pit into an external municipal rainwater well to prevent the underground water from permeating into the basement, the deep foundation pit dewatering and drainage anti-seepage device comprises an automatic dewatering and drainage well which is arranged on the inner side of a foundation pit and used for collecting underground water, a water diversion mechanism which is communicated with the automatic dewatering and drainage well and used for introducing the underground water into the automatic dewatering and drainage well, a drainage pipe which is used for draining the underground water collected in the automatic dewatering and drainage well to an external municipal rainwater well and is provided with a water inlet extending into the bottom of the automatic dewatering and drainage well, a pumping and drainage pump which is connected with the water inlet of the drainage pipe and used for pumping and conveying the underground water collected in the automatic dewatering and drainage well to the external municipal rainwater well, and a control mechanism which is connected with the pumping and drainage pump and used for detecting the water level height in the automatic dewatering and controlling the pumping and drainage pump to.
Description
Technical Field
The utility model relates to a construction technical field especially, relates to a deep basal pit falls drainage anti-seepage device.
Background
At present, after foundation pit basement backfilling is carried out, the moisture content of soil bodies on the upstream face of the basement outer wall rises due to the influence of infiltration of surface water and rainwater, and the water level of underground water rises, so that the buoyancy force on a building is increased, and higher requirements are provided for the anti-permeability functions of a bottom plate and side walls. At present, in building engineering, measures such as paving waterproof coiled materials, brushing waterproof paint and the like are mainly adopted for underground outdoor waterproofing, but the waterproof effect is often not ideal due to the influence of factors such as construction quality and the like on waterproofing. Anti-floating anchor rods are commonly used in underground structure anti-floating measures to consider the influence of underground water on the buoyancy of the structure, but the anti-floating anchor rods cannot fully utilize the vertical force transmitted by the upper structure to balance part of the water buoyancy; the anti-floating anchor rod construction is comparatively complicated, and the cost is also higher, influences the engineering construction progress, increases construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a deep basal pit falls drainage anti-seepage device, its purpose falls the poor technical problem of water-proof effects of drainage anti-seepage measure for solving current deep basal pit.
According to one aspect of the utility model, a drainage and seepage prevention device for a deep foundation pit is provided, which is used for automatically discharging underground water at the inner side of the foundation pit into an external municipal rainwater well to prevent the underground water from permeating into a basement, the deep foundation pit dewatering and drainage anti-seepage device comprises an automatic dewatering and drainage well which is arranged on the inner side of a foundation pit and used for collecting underground water, a water diversion mechanism which is communicated with the automatic dewatering and drainage well and used for introducing the underground water into the automatic dewatering and drainage well, a drainage pipe which is used for draining the underground water collected in the automatic dewatering and drainage well to an external municipal rainwater well and is provided with a water inlet extending into the bottom of the automatic dewatering and drainage well, a pumping and drainage pump which is connected with the water inlet of the drainage pipe and used for pumping and conveying the underground water collected in the automatic dewatering and drainage well to the external municipal rainwater well, and a control mechanism which is connected with the pumping and drainage pump and used for detecting the water level height in the automatic dewatering and controlling the pumping and drainage pump to.
Further, the degree of depth of automatic dewatering well falls is greater than the degree of depth of foundation ditch, and diversion mechanism is used for introducing the inboard secret ponding of foundation ditch in the automatic dewatering well including locating the foundation ditch bottom and with the intercommunication of automatic dewatering well that falls.
Further, the control mechanism includes a float valve connected to the pump.
Furthermore, the maximum height of the floating ball valve floating up along with the water level in the automatic water lowering and draining well is not more than the height of the water outlet of the drainage ditch.
Further, the diversion mechanism is including installing the sluicing structure that is used for leading the inside secret infiltration of foundation ditch in the automatic drainage well that falls on the automatic drainage well that falls.
Further, the outlet structure is equipped with a plurality of inlet openings that are arranged in guiding secret infiltration entering outlet conduit including running through the outlet pipe of the automatic wall body that falls the drainage well and wrapping up the melon and rice stone group on the outlet pipe water inlet on, the water inlet of outlet pipe.
Further, the water drain pipe is gradually inclined downwards along the conveying direction, so that underground seepage water flows into the automatic descending drainage well through the water drain pipe.
Further, a plurality of drainage structures are arranged along the circumference and/or the vertical direction of the automatic descending and draining well.
Furthermore, a water filter screen is arranged around a water inlet of the water drainage structure, so that underground seepage water on the inner side of the foundation pit enters the automatic descending and draining well from the water drainage mechanism after being filtered by the water filter screen.
Furthermore, a plurality of automatic water falling and discharging wells are respectively arranged at the corners of the inner side of the foundation pit and the middle positions of the long edges of the inner side of the foundation pit.
The utility model discloses following beneficial effect has:
the utility model discloses a deep foundation pit drainage anti-seepage device, through setting up automatic drainage well that falls in the foundation pit inboard, and set up diversion mechanism and introduce groundwater into automatic drainage well that falls, and then through extending the water inlet of drain pipe to automatic drainage well bottom and connecting the pump drainage, in addition, detect the water level height in automatic drainage well that falls and control the start and stop of pump drainage according to the water level height in automatic drainage well that falls through setting up control mechanism, when the water level of the groundwater that automatic drainage well collected rises to high water level, control mechanism automatic control pump drainage pump starts, pump the groundwater of collecting in automatic drainage well that falls to outside municipal rainwater well through the drain pipe through the pump drainage, and then when making the water level in automatic drainage well that falls decline to low water level gradually, control mechanism automatic control pump drainage pump stops, thereby discharge the groundwater of foundation pit inboard in time, avoid in groundwater infiltration basement's the lateral wall to and prevent that the buoyancy of the groundwater that the basement received from increasing and cause the structure unstable, consequently need not to carry out anti-floating anchor rod construction in the basement work progress, improved engineering efficiency of construction, shortened engineering construction cycle.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of a deep foundation pit drainage and seepage control device according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a deep foundation pit drainage and seepage prevention device according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a drain structure according to a preferred embodiment of the present invention.
Illustration of the drawings:
1. automatically lowering and draining the well; 2. a drain pipe; 3. a pump-out pump; 4. a float valve; 5. a drainage ditch; 6. a water drainage structure; 61. a drain pipe; 62. melon and rice stone balls; 7. a water filtering net; 100. a foundation pit; 200. a basement; 300. municipal catch basin.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Fig. 1 is a schematic structural view of a deep foundation pit drainage and seepage control device according to a preferred embodiment of the present invention; fig. 2 is a schematic structural view of a deep foundation pit drainage and seepage prevention device according to a preferred embodiment of the present invention; fig. 3 is a schematic structural view of a drain structure according to a preferred embodiment of the present invention.
As shown in fig. 1 and 2, the deep foundation pit dewatering and drainage seepage-proofing device of the embodiment is used for automatically discharging underground water inside a foundation pit 100 into an external municipal rainwater well 300 to prevent the underground water from infiltrating into a basement 200, and comprises an automatic dewatering and drainage well 1 installed inside the foundation pit 100 and used for collecting the underground water, a water diversion mechanism communicated with the automatic dewatering and drainage well 1 and used for introducing the underground water into the automatic dewatering and drainage well 1, a drainage pipe 2 with a water inlet extending into the bottom of the automatic dewatering and drainage well 1 and used for discharging the underground water collected in the automatic dewatering and drainage well 1 into the external municipal rainwater well 300, a pumping and drainage pump 3 connected with the water inlet of the drainage pipe 2 and used for pumping the underground water collected in the automatic dewatering and drainage well 1 to the external municipal rainwater well 300, and a control mechanism connected with the pumping and drainage pump 3 and used for detecting the water level height in the automatic dewatering and drainage well 1 and controlling the pumping and drainage pump 3 to start and stop according to the water level height in the automatic dewatering and drainage well 1. The deep foundation pit dewatering and drainage anti-seepage device of the utility model is characterized in that an automatic dewatering and drainage well 1 is arranged at the inner side of a foundation pit 100, a water diversion mechanism is arranged to lead groundwater into the automatic dewatering and drainage well 1, a water inlet of a drainage pipe 2 is extended to the bottom of the automatic dewatering and drainage well 1 and is connected with a drainage pump 3, in addition, a control mechanism is arranged to detect the water level height in the automatic dewatering and drainage well 1 and control the starting and stopping of the drainage pump 3 according to the water level height in the automatic dewatering and drainage well 1, when the water level of the groundwater collected by the automatic dewatering and drainage well 1 is raised to a high water level, the control mechanism automatically controls the starting of the drainage pump 3, the groundwater collected by the automatic dewatering and drainage well 1 is pumped into an external municipal rainwater well 300 through the drainage pipe 2 by the drainage pump 3, and further when the water level in the automatic dewatering and drainage well 1 is gradually lowered to a low water level, the control, thereby in time discharge the inboard groundwater of foundation ditch 100, avoid in groundwater infiltration basement 200's the side wall to and prevent that basement 200 from receiving the buoyancy increase of groundwater and cause the structure unstable, consequently need not to carry out anti-floating anchor rod construction in basement 200 work progress, improved engineering efficiency of construction, shortened engineering construction cycle. The automatic lowering and draining wells 1 are respectively arranged at the corners of the inner side of the foundation pit 100 and the middle positions of the long edges of the inner side of the foundation pit 100, so that underground water in the inner side of the foundation pit 100 can be better collected. The underground water at the inner side of the foundation pit 100 is simultaneously collected through the automatic water lowering and discharging wells 1 arranged at a plurality of positions and discharged through the water discharging pipe 2, so that the waterproof effect is improved. The depth of the automatic descending and draining well 1 is not less than that of the foundation pit 100, so that underground accumulated water at the bottom of the foundation pit 100 flows into the automatic descending and draining well 1 through the water diversion mechanism.
As shown in fig. 2, the depth of the automatic lowering and draining well 1 is greater than that of the foundation pit, and the water diversion mechanism comprises a drainage ditch 5 which is arranged at the bottom of the foundation pit 100 and communicated with the automatic lowering and draining well 1 and is used for leading the underground accumulated water inside the foundation pit 100 into the automatic lowering and draining well 1. The number and the arrangement manner of the drainage ditches 5 are adjusted according to the external structure of the basement 200. The control mechanism comprises a ball float valve 4 connected to the pump 3. When the ball float valve 4 gradually floats to a high water level along with the water level in the automatic lowering and draining well 1, the automatic pumping and draining pump starts by induction, and underground water in the automatic lowering and draining well 1 is pumped to the external municipal rainwater well 300. The maximum height that ball-cock assembly 4 floated along with the automatic water level of falling in drainage well 1 is no longer than the height of 5 delivery ports in escape canal, ensures that secret ponding from 5 flow in the automatic drainage well 1 that fall in of escape canal, prevents that the groundwater water level of foundation ditch 100 bottom from rising and causing the floating force increase that basement 200 received. Optionally, the control mechanism includes a liquid level detection module and a control module, and the control module controls the automatic draining pump to start and stop according to a detection signal of the liquid level detection module. Optionally, a filter screen and/or a filter cloth is arranged at the water outlet of the drainage ditch 5, so that the underground accumulated water in the drainage ditch 5 flows into the automatic dewatering and drainage well 1 after being filtered by the filter screen and/or the filter cloth.
As shown in fig. 3, the water diversion mechanism includes a water drainage structure 6 installed on the automatic lowering and draining well 1 for introducing groundwater inside the foundation pit 100 into the automatic lowering and draining well 1. The water drainage structure 6 comprises a water drainage pipe 61 penetrating through the wall body of the automatic lowering and draining well 1 and a melon and rice stone group 62 wrapped on the water inlet of the water drainage pipe 61, and a plurality of water inlet holes used for guiding underground water seepage to enter the water drainage pipe 61 are formed in the water inlet of the water drainage pipe 61. The melon-rice stone balls 62 are loose structures formed by the melon-rice stones. The drain pipe 61 is gradually inclined downward in the conveying direction so that groundwater can flow into the automatic dewatering and draining well 1 through the drain pipe 61. The underground seepage water inside the foundation pit 100 is deposited on the melon and rice stone clusters 62 and seeps into the drain pipe 61 from the melon and rice stone clusters 62, and then flows into the automatic dewatering and drainage well 1. Optionally, the drainage structure 6 includes a drainage hole penetrating through the wall body of the automatic lowering and draining well 1 and a melon and rice stone block 62 fixed at the water inlet of the drainage hole.
As shown in fig. 2, a plurality of drainage structures 6 are arranged along the circumferential direction and/or the vertical direction of the automatic lowering and draining well 1. In this embodiment, the automatic dewatering and drainage well 1 is provided with a drainage mechanism every two meters along the vertical direction, so as to introduce the groundwater seeping from different heights on the inner side surface of the foundation pit 100 into the automatic dewatering and drainage well 1. And a water filter screen 7 is arranged around the water inlet of the water drainage structure 6, so that underground seepage water on the inner side of the foundation pit 100 enters the automatic water descending and draining well 1 from the water drainage mechanism after being filtered by the water filter screen 7. In this embodiment, the multi-layer water filtering net 7 is disposed between the basement 200 and the foundation pit 100 in the vertical direction, and encloses the drainage mechanism on the automatic drainage pipe 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A drainage and seepage-proofing device for a deep foundation pit is used for automatically discharging underground water on the inner side of the foundation pit (100) into an external municipal rainwater well (300) to prevent the underground water from permeating into a basement (200),
the anti-seepage device for drainage of the deep foundation pit comprises an automatic drainage well (1) which is arranged at the inner side of the foundation pit (100) and used for collecting underground water, a water diversion mechanism which is communicated with the automatic drainage well (1) and used for leading the underground water into the automatic drainage well (1), the water inlet stretches into a drain pipe (2) which is arranged at the bottom of the automatic precipitation and drainage well (1) and used for draining underground water collected in the automatic precipitation and drainage well (1) to an external municipal rainwater well (300), a pumping and drainage pump (3) which is connected with the water inlet of the drain pipe (2) and used for pumping the underground water collected in the automatic precipitation and drainage well (1) to the external municipal rainwater well (300), and a control mechanism which is connected with the pumping and drainage pump (3) and used for detecting the water level height in the automatic precipitation and drainage well (1) and controlling the starting and stopping of the pumping and drainage pump (3) according to the water level height in the automatic precipitation and drainage well (1).
2. The deep foundation pit drainage and seepage prevention device of claim 1,
the depth of the automatic descending drainage well is larger than that of the foundation pit, and the water diversion mechanism comprises a drainage ditch (5) which is arranged at the bottom of the foundation pit (100) and communicated with the automatic descending drainage well (1) and used for leading underground accumulated water on the inner side of the foundation pit (100) into the automatic descending drainage well (1).
3. The deep foundation pit drainage and seepage prevention device of claim 2,
the control mechanism comprises a ball float valve (4) connected with the pump and drain pump (3).
4. The deep foundation pit drainage and seepage prevention device of claim 3,
the maximum height of the floating ball valve (4) floating up along with the water level in the automatic descending drainage well (1) is not more than the height of the water outlet of the drainage ditch (5).
5. The deep foundation pit drainage and seepage prevention device of claim 1,
the water diversion mechanism comprises a water drainage structure (6) which is arranged on the automatic descending and draining well (1) and is used for leading underground water seepage on the inner side of the foundation pit (100) into the automatic descending and draining well (1).
6. The deep foundation pit drainage and seepage prevention device of claim 5,
the water drainage structure (6) comprises a water drainage pipe (61) penetrating through the wall body of the automatic descending and draining well (1) and a melon and rice stone group (62) wrapped on a water inlet of the water drainage pipe (61), and a plurality of water inlet holes used for guiding underground water seepage to enter the water drainage pipe (61) are formed in the water inlet of the water drainage pipe (61).
7. The deep foundation pit drainage and seepage prevention device of claim 6,
the drain pipe (61) is gradually inclined downwards along the conveying direction so as to facilitate the underground seepage water to flow into the automatic descending and draining well (1) through the drain pipe (61).
8. The deep foundation pit drainage and seepage prevention device of claim 5,
the plurality of water drainage structures (6) are arranged along the circumferential direction and/or the vertical direction of the automatic descending and draining well (1).
9. The deep foundation pit drainage and seepage prevention device of claim 5,
and a water filter screen (7) is arranged around a water inlet of the water drainage structure (6) so that underground seepage water on the inner side of the foundation pit (100) enters the automatic water descending and draining well (1) from the water drainage mechanism after being filtered by the water filter screen (7).
10. The deep foundation pit drainage and seepage prevention device of claim 1,
the automatic water lowering and draining wells (1) are respectively arranged at the corners of the inner side of the foundation pit (100) and the middle positions of the long edges of the inner side of the foundation pit (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283572.6U CN212388576U (en) | 2020-03-10 | 2020-03-10 | Drainage and seepage-proofing device for deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283572.6U CN212388576U (en) | 2020-03-10 | 2020-03-10 | Drainage and seepage-proofing device for deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212388576U true CN212388576U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020283572.6U Active CN212388576U (en) | 2020-03-10 | 2020-03-10 | Drainage and seepage-proofing device for deep foundation pit |
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| CN (1) | CN212388576U (en) |
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- 2020-03-10 CN CN202020283572.6U patent/CN212388576U/en active Active
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