CN205205842U - Local precipitation structure of deep basal pit - Google Patents
Local precipitation structure of deep basal pit Download PDFInfo
- Publication number
- CN205205842U CN205205842U CN201520776853.4U CN201520776853U CN205205842U CN 205205842 U CN205205842 U CN 205205842U CN 201520776853 U CN201520776853 U CN 201520776853U CN 205205842 U CN205205842 U CN 205205842U
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- China
- Prior art keywords
- foundation ditch
- seal ring
- deep foundation
- pipe
- built
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001556 precipitation Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004078 waterproofing Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 241000251468 Actinopterygii Species 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 14
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 241000425571 Trepanes Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a local precipitation structure of deep basal pit, include: locate the bed course of deep basal pit bottom, locate the waterproof layer on the bed course, locate the soleplate on the waterproof layer, locate the sump pit under the bed course, locate the water -proof component in the deep basal pit, the precipitation subassembly includes: pre -buried pipe, the one end of pre -buried pipe is inserted and is located the sump pit, forms to insert to establish the end, inserts to establish to hold to be equipped with the hole of permeating water, and the other end of pre -buried pipe exposes the soleplate, locate the last seal ring and lower seal ring of pre -buried pipe, in upward the seal ring was fixed in the soleplate, lower seal ring was fixed in in the bed course, and locate the sewage pump of sump pit. The utility model discloses local precipitation structure of deep basal pit adopts welding steel pipe and twice seal ring constitution precipitation subassembly to carry out the drainage of falling of deep basal pit, and simple structure, convenient operation, suitability are strong, the utility model discloses a work efficiency is high, easy ponding and the influence of deep basal pit infiltration to waterproofing when having solved the deep basal pit construction.
Description
Technical field
The utility model relates to the realm of building construction, espespecially a kind of deep foundation ditch local dewatering structure.
Background technology
Adopt during deep foundation pit precipitation and bore the construction method of dewatering well in foundation ditch surrounding, but trepan after dark 8 meters of brill, bottom dewatering well, enter rugged lithosphere cannot down deep drilling, now bottom depth is higher than the degree of depth of elevator shaft sump in deep foundation ditch.After the water in dewatering well is drained, no longer include underground water in dewatering well to gush out, now in foundation ditch, the water of the elevator shaft sump of minimum point is still poured in sump from sandy gravel stratum and lithosphere layered position, if extract the water of sump not in time, gush on the completely rear underground water of water starts, the mat surface of whole basement has open fire to occur.For a long time, deep foundation ditch basis waterproof construction adopts flexible waterproof sheet mostly, often because dewatering effect is undesirable or cannot be well controlled because of perched water, underground water has hydraulic pressure that whole waterproof roll layer will be made to float, very large difficulty is brought to flexible water construction, the construction quality of waterproofing well cannot be ensured, even affect the overall construction period because local waterproof cannot be constructed.If directly put submersible pump at sump to draw water, waterproof construction and the construction of the mat foundation in later stage of sump will be affected.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of deep foundation ditch local dewatering structure, and the construction quality solving waterproofing in prior art cannot guaranteed problem.
The technical scheme realizing above-mentioned purpose is: provide deep foundation ditch local dewatering structure to comprise:
Be located at the bed course bottom deep foundation ditch;
Be located at the waterproofing course on described bed course;
Be located at the sole plate on described waterproofing course;
Be located at the sump under described bed course;
Be located at the water repellent component in described deep foundation ditch, described precipitation assembly comprises: built-in pipe, and one end of described built-in pipe is inserted in described sump, is formed and plugs end, described in plug end and be provided with permeable hole, the other end of described built-in pipe exposes described sole plate; Be located at the upper seal ring of described built-in pipe and lower seal ring, described upper seal ring is fixed in described sole plate, and described lower seal ring is fixed in described bed course; And
Be located at the foul water pump of described sump.
The beneficial effect of the utility model deep foundation ditch local dewatering structure:
The utility model deep foundation ditch local dewatering structure adopts welded steel pipe and twice seal ring to form the Yield rainfall relation that a kind of precipitation assembly carries out deep foundation ditch, and structure is simple, easy to operate, applicability is strong; Operating efficiency of the present utility model is high, easily amasss water problem when not only solving deep foundation pit construction, and solves the impact of deep foundation ditch infiltration on waterproof construction, Be very effective.
The further improvement of the utility model deep foundation ditch local dewatering structure is, described upper seal ring is fixed on the middle part of the thickness of described sole plate.
The further improvement of the utility model deep foundation ditch local dewatering structure is, described lower seal ring is fixed on the middle part of the thickness of described bed course.
The further improvement of the utility model deep foundation ditch local dewatering structure is, described waterproofing course is also coated on described built-in pipe, and extends towards the upper seal ring of described built-in pipe and fix.
The further improvement of the utility model deep foundation ditch local dewatering structure is, described waterproofing course is waterproof roll.
The further improvement of the utility model deep foundation ditch local dewatering structure is, permeable hole and the mouth of pipe of described built-in pipe are enclosed with non-woven fabrics.
The further improvement of the utility model deep foundation ditch local dewatering structure is, is provided with filtration beds in described sump.
The further improvement of the utility model deep foundation ditch local dewatering structure is, also comprises the fish tail and waterproof layer be located on described waterproofing course.
The further improvement of the utility model deep foundation ditch local dewatering structure is, described built-in pipe is steel pipe, and described sole plate is concrete floor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model deep foundation ditch local dewatering structure.
Fig. 2 is the structural representation of the precipitation assembly of the utility model deep foundation ditch local dewatering structure.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of deep foundation ditch local dewatering structure, is described the utility model deep foundation ditch local dewatering structure below in conjunction with accompanying drawing.
Consult Fig. 1, show the structural representation of the utility model deep foundation ditch local dewatering structure.Consult Fig. 2, show the structural representation of the precipitation assembly of the utility model deep foundation ditch local dewatering structure.Shown in composition graphs 1 and Fig. 2, the utility model deep foundation ditch local dewatering structure, comprise: bed course 1, waterproofing course 2, fish tail and waterproof layer 3, sole plate 4, sump 5, foul water pump 6 and precipitation assembly 7, wherein, bed course 1 is located at the bottom of deep foundation ditch, waterproofing course 2 is located on bed course 1, fish tail and waterproof layer 3 is located on waterproofing course 2, sole plate 4 is located on fish tail and waterproof layer 3, sump 5 is located at bed course 1 time, foul water pump 6 is located in sump 5 and is drawn water for timing, precipitation assembly 7 is located in deep foundation ditch, for the backwater in deep foundation ditch is extracted totally, the drier scope of operation is had when ensureing construction of waterproof layer, thus raising waterproofing quality, improve waterproof effect.
Shown in composition graphs 1 and Fig. 2, become inverted trapezoidal bottom deep foundation ditch, bed course 1 is layed in the bottom of deep foundation ditch, and waterproofing course 2 is layed on bed course 1, and in the present embodiment, bed course 1 is concrete cushion, and waterproofing course 2 is SBS waterproof roll.Fish tail and waterproof layer 3 is layed on waterproof roll, waterproof roll is played to the effect of protection.Sole plate 4 is located on fish tail and waterproof layer 3, and sole plate 4 is concrete floor, has certain thickness.Before bed course 1 is constructed, bearing stratum is deepened 60cm by local, forms sump 5, fills out establish, as filtration beds with rubble or sandstone.
Precipitation assembly 7 comprises: built-in pipe 70, upper seal ring 71 and lower seal ring 72, wherein built-in pipe 70 one end is inserted in sump 5, formation plugs end 700, plug end 700 and be equipped with permeable hole, make floral tube, be convenient to permeable, permeable hole and mouth of pipe non-woven wraps, enter in built-in pipe 70 to prevent sandstone.In the present embodiment, built-in pipe 70 for diameter be the welded steel pipe of 350mm, permeable hole is positioned at 30cm place, built-in pipe 70 bottom.The other end of built-in pipe 70 exposes sole plate 4, in an organized way being drained in precipitation assembly 7 by the ponding of deep foundation ditch surrounding and seepage part.
Upper seal ring 71 is fixed on the upper end of built-in pipe 70, and is positioned at sole plate 4, and in the present embodiment, upper seal ring 71 is fixed on the middle part of the thickness of sole plate 4.Lower seal ring 72 is fixed on the lower end of built-in pipe 70, and is positioned at bed course 1, and in the present embodiment, lower seal ring 72 is fixed on the middle part of the thickness of bed course 1.Upper seal ring 71 stops water to flow in waterproofing course 2 in the upper end of built-in pipe 70, lower seal ring 72 stops water to enter in waterproofing course 2 from the lower end of built-in pipe 70.
The flexible waterproof sheet that waterproofing course 2 adopts directly is connected with built-in pipe 70, is coated on built-in pipe 70 and upper seal ring 71 towards built-in pipe 70 upwards extends, supreme seal ring 71 place end socket.
After foul water pump 6 has drawn water, take out, and complete building of sole plate 4.Meanwhile, with slightly expanded concrete, built-in pipe 70 is filled closely knit, and excise the part built-in pipe 70 that sole plate 4 exposes, then with the steel plate identical with built-in pipe 70 material, the surrounding full weld along built-in pipe 70 connects, and brush rustproof paint.
The beneficial effect of the utility model deep foundation ditch local dewatering structure is:
The utility model deep foundation ditch local dewatering structure adopts welded steel pipe and twice seal ring to form the Yield rainfall relation that a kind of precipitation assembly carries out deep foundation ditch, and structure is simple, easy to operate, applicability is strong; Operating efficiency of the present utility model is high, easily amasss water problem when not only solving deep foundation pit construction, and solves the impact of deep foundation ditch infiltration on waterproof construction, Be very effective.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (9)
1. a deep foundation ditch local dewatering structure, is characterized in that, comprising:
Be located at the bed course bottom deep foundation ditch;
Be located at the waterproofing course on described bed course;
Be located at the sole plate on described waterproofing course;
Be located at the sump under described bed course;
Be located at the precipitation assembly in described deep foundation ditch, described precipitation assembly comprises: built-in pipe, and one end of described built-in pipe is inserted in described sump, is formed and plugs end, described in plug end and be provided with permeable hole, the other end of described built-in pipe exposes described sole plate; Be sheathed on the upper seal ring of described built-in pipe and lower seal ring, described upper seal ring is fixed in described sole plate, and described lower seal ring is fixed in described bed course; And
Be located at the foul water pump of described sump.
2. deep foundation ditch local dewatering structure as claimed in claim 1, it is characterized in that, described upper seal ring is fixed on the middle part of the thickness of described sole plate.
3. deep foundation ditch local dewatering structure as claimed in claim 1, it is characterized in that, described lower seal ring is fixed on the middle part of the thickness of described bed course.
4. deep foundation ditch local dewatering structure as claimed in claim 3, it is characterized in that, described waterproofing course is also coated on described built-in pipe, and extends towards the upper seal ring of described built-in pipe and fix.
5. the deep foundation ditch local dewatering structure as described in claim 1 or 4, is characterized in that, described waterproofing course is waterproof roll.
6. deep foundation ditch local dewatering structure as claimed in claim 4, it is characterized in that, permeable hole and the mouth of pipe of described built-in pipe are enclosed with non-woven fabrics.
7. deep foundation ditch local dewatering structure as claimed in claim 6, is characterized in that, be provided with filtration beds in described sump.
8. deep foundation ditch local dewatering structure as claimed in claim 1, is characterized in that, also comprise the fish tail and waterproof layer be located on described waterproofing course.
9. deep foundation ditch local dewatering structure as claimed in claim 1, it is characterized in that, described built-in pipe is steel pipe, and described sole plate is concrete floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776853.4U CN205205842U (en) | 2015-10-08 | 2015-10-08 | Local precipitation structure of deep basal pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776853.4U CN205205842U (en) | 2015-10-08 | 2015-10-08 | Local precipitation structure of deep basal pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205205842U true CN205205842U (en) | 2016-05-04 |
Family
ID=55843570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520776853.4U Expired - Fee Related CN205205842U (en) | 2015-10-08 | 2015-10-08 | Local precipitation structure of deep basal pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205205842U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193078A (en) * | 2016-09-22 | 2016-12-07 | 中建八局第四建设有限公司 | A kind of stagewise sealing downcomer |
| CN106223351A (en) * | 2016-07-26 | 2016-12-14 | 中国二十二冶集团有限公司 | Self priming pump reduces local groundwater level construction method |
| CN110792092A (en) * | 2019-11-11 | 2020-02-14 | 中国建筑第八工程局有限公司 | Foundation pit dewatering structure and construction method thereof |
| CN112281858A (en) * | 2020-10-20 | 2021-01-29 | 中建八局发展建设有限公司 | Mud rock natural foundation fissure water drainage construction method |
-
2015
- 2015-10-08 CN CN201520776853.4U patent/CN205205842U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223351A (en) * | 2016-07-26 | 2016-12-14 | 中国二十二冶集团有限公司 | Self priming pump reduces local groundwater level construction method |
| CN106223351B (en) * | 2016-07-26 | 2019-03-19 | 中国二十二冶集团有限公司 | Self priming pump reduces local groundwater level construction method |
| CN106193078A (en) * | 2016-09-22 | 2016-12-07 | 中建八局第四建设有限公司 | A kind of stagewise sealing downcomer |
| CN110792092A (en) * | 2019-11-11 | 2020-02-14 | 中国建筑第八工程局有限公司 | Foundation pit dewatering structure and construction method thereof |
| CN112281858A (en) * | 2020-10-20 | 2021-01-29 | 中建八局发展建设有限公司 | Mud rock natural foundation fissure water drainage construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20201008 |