CN108755724A - The external water drainage waterproof method of pipe gallery - Google Patents
The external water drainage waterproof method of pipe gallery Download PDFInfo
- Publication number
- CN108755724A CN108755724A CN201810615675.5A CN201810615675A CN108755724A CN 108755724 A CN108755724 A CN 108755724A CN 201810615675 A CN201810615675 A CN 201810615675A CN 108755724 A CN108755724 A CN 108755724A
- Authority
- CN
- China
- Prior art keywords
- filter
- well
- foundation pit
- pipe
- drainpipe
- Prior art date
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NS4wJyBoZWlnaHQ9Jzg1LjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8dGV4dCB4PScxMy4zJyB5PSc1My42JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojRTg0MjM1JyA+SDwvdGV4dD4KPHRleHQgeD0nMjguMicgeT0nNjIuOScgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToxNXB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6I0U4NDIzNScgPjI8L3RleHQ+Cjx0ZXh0IHg9JzM1LjAnIHk9JzUzLjYnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MjNweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiNFODQyMzUnID5PPC90ZXh0Pgo8L3N2Zz4K O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000004746 geotextile Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 210000000481 Breast Anatomy 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000009287 sand filtration Methods 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 abstract description 5
- 238000001764 infiltration Methods 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 241001661194 Dives Species 0.000 description 1
- 101710013024 POU1F1 Proteins 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
Abstract
The present invention relates to municipal construction field, specifically a kind of external water drainage waterproof method of pipe gallery；It is characterized in that being included in both sides other than piping lane sump position corridor body excavates water filter well foundation pit；Filter pipe outsourcing gauze and geotextiles are hung to filter well foundation pit section by section；Chimney filter is installed to top, away from below ground about 0.6m, is stayed for drainpipe and is set channel；Water pump and drainpipe laying；After filter well and foundation pit backfill, self-opening type immersible pump is connect with scupper hose, is slowly hung to infiltration bottom, hose top is stretched out from the hole of cutting outside filter well.After seepage well is constructed, just proximad leads to municipal drainage well direction and excavate drainpipe groove, the gradient 2% lays Φ 150PVC drainpipes later, and comb finishes backfill groove in time and tamps.Construction method of the present invention is simple, and principle is reliable and construction is quick, can effectively prevent Groundwater infiltration piping lane；Thus great application value.
Description
Technical field
The present invention relates to municipal construction field, specifically a kind of external water drainage waterproof method of pipe gallery.
Background technology
With the construction and development of China's urban infrastructure, pipe gallery has all been built in more and more cities, this is pair
Urban underground space reasonable development and the important measure utilized.However the leakage problems of pipe gallery and the underground space, it is always
Annoying the problem of this industry development.Currently, for its structural shape and waterproof material, waterproof mainly takes structure certainly anti-
The measure that water and outer waterproof are applied simultaneously, although taking the method for two kinds of waterproof measures while application, still degree not
Same also will appear some leakages.Therefore, at present there is an urgent need to find a kind of waterproof method implemented in a manner of water drainage, with
Make up the deficiency of above-mentioned waterproof method.
Invention content
The purpose of the present invention is to provide a kind of easy to implement and at low cost quick, great application value it is comprehensive
Close the external water drainage waterproof method of piping lane.
A kind of external water drainage waterproof method of pipe gallery, including
Step 1, setting filter well；
Φ 800, the water filter well foundation pit of depth about 800mm, hole are excavated in step 1.1, the both sides other than piping lane sump position corridor body
It is thick not less than the concrete 200mm of C20 that strength grade is completely poured at bottom；
Step 1.2, by filter pipe outsourcing gauze and geotextiles, hung section by section later to filter well foundation pit, it is thick in being filled outside chimney filter
Sand, chimney filter fill medium coarse sand and coordinate alternately with foundation pit backfill；
Step 1.3, chimney filter are installed to top, away from below ground about 0.6m, are led to municipal drainage well direction and are dug 150 holes about Φ
Hole is stayed for drainpipe and sets channel；
Step 2, water pump and drainpipe laying；
After step 2.1, filter well and foundation pit backfill, self-opening type immersible pump is connect with scupper hose, is slowly hung to oozing
Well bottom, hose top are stretched out from the hole of cutting outside filter well；Wherein, the suitable buried-pipe laying of self-opening type water pump transmission line of electricity,
Buried depth, protected mode have to comply with transmission line of electricity and lay related administrative provisions.
Step 2.2, seepage well construction after, just proximad lead to municipal drainage well direction excavate drainpipe groove, the gradient 2%,
Φ 150PVC drainpipes are laid later, and comb finishes backfill groove in time and tamps.
The external water drainage waterproof method of the pipe gallery, filter pipe are concrete without sand filtration water pipe or hard polyvinyl chloride
Other filter pipes of material type.
The characteristic that the present invention is stored using groundwater seepage and gap, by between the external waterproof roll of piping lane and protective layer
Gap, as the channel of underground ponding seepage flow, then pass through drainage and forced drainage, reduce the external level of ground water in corridor, with this
Prevent Groundwater infiltration piping lane.
Description of the drawings
Fig. 1 is the constructing structure schematic diagram of this draining waterproof method.
Specific implementation mode
It is further illustrated the present invention below by way of specific embodiment.
As shown in Figure 1, a kind of external water drainage waterproof method of pipe gallery, including
Step 1, setting filter well；
Step 1.1, the both sides other than piping lane sump position corridor body, excavation Φ 800, the water filter well foundation pit 1 of depth about 800mm,
It is thick not less than the concrete 200mm of C20 that strength grade is completely poured at hole bottom；
Step 1.2, by filter pipe outsourcing gauze and geotextiles, hung section by section later to filter well foundation pit, it is thick in being filled outside chimney filter
Sand, chimney filter fill medium coarse sand and coordinate alternately with foundation pit backfill；
Step 1.3, chimney filter are installed to top, away from below ground about 0.6m, are led to municipal drainage well direction and are dug 150 holes about Φ
Hole is stayed for drainpipe and sets channel；
Step 2, water pump and drainpipe laying；
After step 2.1, filter well and foundation pit backfill, self-opening type immersible pump 2 is connect with scupper hose, is slowly hung to oozing
Well bottom, hose top are stretched out from the hole of cutting outside filter well；Wherein, the suitable buried-pipe laying of self-opening type water pump transmission line of electricity,
Buried depth, protected mode have to comply with transmission line of electricity and lay related administrative provisions.
Step 2.2, seepage well construction after, just proximad lead to municipal drainage well direction excavate drainpipe groove, the gradient 2%,
Φ 150PVC drainpipes are laid later, and comb finishes backfill groove in time and tamps.
The external water drainage waterproof method of the pipe gallery, filter pipe are concrete without sand filtration water pipe or hard polyvinyl chloride
Other filter pipes of material type.
The basic ideas taken of the present invention are：The generally use of the outer fish tail and waterproof layer of piping lane is laid bricks or paving polystyrene type
Cystosepiment, has certain gap between protective layer and coiled material, the bright water in the external underground in corridor is mainly stored in this.Protective layer has been constructed
Filter well is arranged against the fish tail and waterproof layer concrete water filter pipe of Φ 500 in piping lane both sides external sump position in Bi Hou,
Concrete water filter pipe outsourcing gauze and geotextiles, well head 0.2m preferably above ground level, and it is capped well lid.Shaft bottom is arranged self-opening type and dives under water
Pump and scupper hose, scupper hose buried-pipe laying outside away from the ground positions about 0.6m stretching water filter well access municipal drainage system nearby
System.Immersible pump voluntarily starts after water level reach a certain height in well, and well internal water accumulation is excluded by drainpipe.If things go on like this carry out,
The outer level of ground water of piping lane can decline rapidly, until being down to piping lane bottom plate or less.
Claims (2)
1. a kind of external water drainage waterproof method of pipe gallery, characterized in that including
Step 1, setting filter well；
Φ 800, the water filter well foundation pit of depth about 800mm, hole are excavated in step 1.1, the both sides other than piping lane sump position corridor body
It is thick not less than the concrete 200mm of C20 that strength grade is completely poured at bottom；
Step 1.2, by filter pipe outsourcing gauze and geotextiles, hung section by section later to filter well foundation pit, it is thick in being filled outside chimney filter
Sand, chimney filter fill medium coarse sand and coordinate alternately with foundation pit backfill；
Step 1.3, chimney filter are installed to top, away from below ground about 0.6m, are led to municipal drainage well direction and are dug 150 holes about Φ
Hole is stayed for drainpipe and sets channel；
Step 2, water pump and drainpipe laying；
After step 2.1, filter well and foundation pit backfill, self-opening type immersible pump is connect with scupper hose, is slowly hung to oozing
Well bottom, hose top are stretched out from the hole of cutting outside filter well；Wherein, the suitable buried-pipe laying of self-opening type water pump transmission line of electricity,
Buried depth, protected mode have to comply with transmission line of electricity and lay related administrative provisions；
Step 2.2, seepage well construction after, just proximad lead to municipal drainage well direction excavate drainpipe groove, the gradient 2%, later
Φ 150PVC drainpipes are laid, comb finishes backfill groove in time and tamps.
2. the external water drainage waterproof method of pipe gallery according to claim 1, characterized in that filter pipe be concrete without
Other filter pipes of sand filtration water pipe or hard polyvinyl chloride material type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615675.5A CN108755724A (en) | 2018-06-15 | 2018-06-15 | The external water drainage waterproof method of pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615675.5A CN108755724A (en) | 2018-06-15 | 2018-06-15 | The external water drainage waterproof method of pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108755724A true CN108755724A (en) | 2018-11-06 |
Family
ID=64022388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615675.5A Pending CN108755724A (en) | 2018-06-15 | 2018-06-15 | The external water drainage waterproof method of pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755724A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080205A (en) * | 2019-05-15 | 2019-08-02 | 广州穗岩土木科技股份有限公司 | A kind of construction method of subway station diaphragm wall |
| CN110295625A (en) * | 2019-06-28 | 2019-10-01 | 中国二十冶集团有限公司 | A kind of pipe gallery waterproof method based on sponge theory |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510528A (en) * | 2012-06-29 | 2014-01-15 | 深圳市工勘岩土工程有限公司 | Blind trench water discharging structure used for underground structure up-floating prevention |
| CN104234080A (en) * | 2014-09-15 | 2014-12-24 | 上海市政工程设计研究总院（集团）有限公司 | Utility tunnel structure for preventing deformation at high-water-level liquefaction region |
| CN105464148A (en) * | 2015-12-29 | 2016-04-06 | 天津市海岸带工程有限公司 | Foundation structure capable of resisting buoyancy by virtue of automatic water pumping |
| CN106480979A (en) * | 2016-12-20 | 2017-03-08 | 江西中联建设集团有限公司 | A kind of active antiseepage basement shear wall and its construction technology |
| CN106988342A (en) * | 2017-05-19 | 2017-07-28 | 中国水利水电第四工程局有限公司 | A kind of underground pipe gallery drainage and construction method |
| CN107100206A (en) * | 2017-06-22 | 2017-08-29 | 山东建筑大学 | A kind of prevention and controls of basement leakage |
| CN107386326A (en) * | 2017-09-22 | 2017-11-24 | 中建五局土木工程有限公司 | Underground pipe gallery structure and its construction method |
| CN107956221A (en) * | 2017-12-12 | 2018-04-24 | 中国冶集团有限公司 | Downcast well pipe proof protecting device and construction method |
-
2018
- 2018-06-15 CN CN201810615675.5A patent/CN108755724A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510528A (en) * | 2012-06-29 | 2014-01-15 | 深圳市工勘岩土工程有限公司 | Blind trench water discharging structure used for underground structure up-floating prevention |
| CN104234080A (en) * | 2014-09-15 | 2014-12-24 | 上海市政工程设计研究总院（集团）有限公司 | Utility tunnel structure for preventing deformation at high-water-level liquefaction region |
| CN105464148A (en) * | 2015-12-29 | 2016-04-06 | 天津市海岸带工程有限公司 | Foundation structure capable of resisting buoyancy by virtue of automatic water pumping |
| CN106480979A (en) * | 2016-12-20 | 2017-03-08 | 江西中联建设集团有限公司 | A kind of active antiseepage basement shear wall and its construction technology |
| CN106988342A (en) * | 2017-05-19 | 2017-07-28 | 中国水利水电第四工程局有限公司 | A kind of underground pipe gallery drainage and construction method |
| CN107100206A (en) * | 2017-06-22 | 2017-08-29 | 山东建筑大学 | A kind of prevention and controls of basement leakage |
| CN107386326A (en) * | 2017-09-22 | 2017-11-24 | 中建五局土木工程有限公司 | Underground pipe gallery structure and its construction method |
| CN107956221A (en) * | 2017-12-12 | 2018-04-24 | 中国冶集团有限公司 | Downcast well pipe proof protecting device and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080205A (en) * | 2019-05-15 | 2019-08-02 | 广州穗岩土木科技股份有限公司 | A kind of construction method of subway station diaphragm wall |
| CN110295625A (en) * | 2019-06-28 | 2019-10-01 | 中国二十冶集团有限公司 | A kind of pipe gallery waterproof method based on sponge theory |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102454167B (en) | The construction method of especially big & deep open caisson | |
| CN103046565B (en) | Draining method for ultra-deep batholith deep foundation pit | |
| CN103741714A (en) | Construction method for full cover-excavation reverse method of underground engineering | |
| CN201943173U (en) | Sinking groove type permeable gutter inlet facility system | |
| CN102535441A (en) | Construction method of underground diaphragm wall | |
| CN203530996U (en) | Multi-well-point combined type precipitation facility | |
| CN102162253B (en) | Precipitation construction method employing pipe embedded in deep foundation pits | |
| CN107630500A (en) | A kind of water supply and drainage construction method | |
| CN110847199A (en) | Construction method for drainage of underground water of deep foundation pit | |
| CN108755724A (en) | The external water drainage waterproof method of pipe gallery | |
| CN103572808A (en) | Building toilet caisson waterproof device and construction method | |
| CN106368239A (en) | Water stop structure arranged at position of expansion joint of urban underground comprehensive pipe rack and construction method of water stop structure | |
| CN109488371B (en) | Waterproof system of full-enclosed waterproof station and dynamic setting and quantity-limiting drainage method | |
| CN110004935A (en) | A kind of locally deep pit drain measure trench system and construction method | |
| CN204059380U (en) | Deep-well precipitation well head well-sealing device in underground garage foundation ditch | |
| CN203768925U (en) | Seal device for dewatering well in foundation pit | |
| CN205116159U (en) | Supporting rig dry process pore -forming bored concrete pile that digs soon of back slip casting | |
| CN211006854U (en) | Three-dimensional groundwater collecting system of compound geotechnological | |
| CN204899978U (en) | Shaft excavation to interface water layer drainage system | |
| CN204023593U (en) | Reduce the water proof drainage system of underground hydrostatic water table | |
| CN204551510U (en) | A kind of filled-up ground catchments pressure reduction well drop and drainage structure | |
| CN104196046B (en) | Reduce the water proof drainage system of underground hydrostatic water table | |
| CN206289732U (en) | A kind of active antiseepage basement shear wall | |
| CN106545070B (en) | Diversion method for adding pipeline by adopting jacking pipe in existing inspection well | |
| CN107724405B (en) | Dewatering of foundation construction method in a kind of underground pipe construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
|
| RJ01 | Rejection of invention patent application after publication |