CN105821892A - Horizontal screen pipe dewatering system and treatment method - Google Patents
Horizontal screen pipe dewatering system and treatment method Download PDFInfo
- Publication number
- CN105821892A CN105821892A CN201610174561.2A CN201610174561A CN105821892A CN 105821892 A CN105821892 A CN 105821892A CN 201610174561 A CN201610174561 A CN 201610174561A CN 105821892 A CN105821892 A CN 105821892A
- Authority
- CN
- China
- Prior art keywords
- precipitation
- floral tube
- tube
- horizontal
- main pipeline
- 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
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention belongs to the technical field of construction of building foundation pits, and particularly discloses a horizontal screen pipe dewatering system and a treatment method. The horizontal screen pipe dewatering system comprises a water collection tank. The bottom of the water collection tank is filled with a middle sand layer, and an airtight soil layer is laid on the middle sand layer. A dewatering screen pipe is laid in the center of the middle sand layer and arranged horizontally. One end of the dewatering screen pipe is sealed, and the other end of the dewatering screen pipe communicates with a main pipeline through a branch pipeline. The main pipeline is connected with a vacuum dewatering device. The horizontal screen pipe dewatering system is simple in structure, good in dewatering effect and low in cost.
Description
Technical field
The invention belongs to building foundation pit technical field of construction, be specifically related to a kind of horizontal floral tube precipitation system and processing method.
Background technology
In hydraulic structures construction period, owing to geological condition is different, some engineering project levels of ground water are higher, when conventional relevant deep foundation base excavation construction, have a large amount of subsoil water and ooze out, and will be unable to construction as got rid of not in time.In order to solve seepage in foundation seepage problem, we used well-points dewatering and tube well dewatering method in the past, well-points dewatering and tube well dewatering are to use lower peupendicular hole pipe to carry out precipitation, it is all the soil property of sandy loam to underground, there is positive effect, but when level of ground water appears above impermeable stratum or the surface more serious geology of infiltration (such as foundry loam layer), upper strata dewatering effect is inconspicuous.Well-points dewatering and tube well dewatering are more without positive effect.In order to thoroughly solve the infiltration of foundation ditch top layer and the problem of foundation ditch side infiltration, engineers and technicians, according to conventional construction experience, consult relevant information, have developed horizontal floral tube precipitation method.Trying out in drawing yellow lock reconstruction project natural literary composition rock canal inverted-siphon engineering in Puyang canal village, obtained positive effect, indices all can reach construction requirement.This equipment use material price buying cheap, easy, low cost, construction technology is simple, dewatering effect is obvious.Improve site construction condition, striven for the engineering time, accelerate construction speed, improve economic benefit.
Summary of the invention
It is an object of the invention to provide that a kind of simple in construction, dewatering effect be good and the horizontal floral tube precipitation system of low cost and processing method.
For achieving the above object, the present invention by the following technical solutions: horizontal floral tube precipitation system, including water leg, sand bed in water leg underfill, middle sand bed is laid soil layer of holding one's breath, middle sand bed center is equipped with precipitation floral tube；Precipitation floral tube is horizontally disposed with；Precipitation floral tube one end seals, and the other end is connected on main pipeline by lateral, and main pipeline connects vacuum-dewatering equipment.
Precipitation floral tube includes plastic tube, and plastic tube is evenly equipped with through hole, is fixed with palm fibre lamella, is fixed with filter mesh layer outside palm fibre lamella outside plastic tube.
Plastic tube internal diameter is 4-5cm；Through-hole aperture is 6-10mm, and pitch of holes is 10-20cm.
Middle burial depth is 30-40cm；Described the thickness of the layer of holding one's breath is 15-30cm.
Vacuum-dewatering equipment includes the vacuum tank being connected with main pipeline, and vacuum tank connects has vacuum pump, vacuum pump to be provided with motor.
Main pipeline is arranged below pipeline support.
The processing method of horizontal floral tube precipitation system, comprises the following steps:
(1) precipitation floral tube is made；
(2) water leg is excavated at needs precipitation position；
(3) in laying bottom water leg, sand, is placed on precipitation floral tube on Shamian Island, then fills middle sand, and sand bed in formation fills, at middle sand bed top, soil layer of holding one's breath；
(4) by lateral, precipitation floral tube is connected with main pipeline；
(5) start vacuum-dewatering equipment and carry out precipitation.
Selecting internal diameter in step (1) is the plastic tube of 4-5cm, plastic tube surface drilling formed aperture be 6-10mm, pitch of holes be the through hole of 10-20cm, include that plastic tube forms palm fibre lamella with palm fibre sheet, after palm fibre lamella periphery uses tied silk colligation fixing, it is wrapped in outside palm fibre lamella with filter screen again and colligation is fixed, prepare precipitation floral tube.
One end of precipitation floral tube uses stopper to seal, and the other end connects main pipeline by lateral.
Compared with prior art, beneficial effects of the present invention is as follows: utilize horizontally disposed precipitation floral tube to carry out precipitation, and precipitation speed is fast, efficiently solves top layer infiltration.It is horizontally disposed with precipitation floral tube the infiltration of foundation ditch side is dammed and also had the biggest effect, lateral seepage stream can be prevented；Precipitation used unit quantity is few, easy to operate；Preparing precipitation floral tube after selecting plastic tube processed, material is easy to get and expense is low；The plastic tube boring machine that internal diameter is 4-5cm is drilled to aperture be 6-10mm, pitch of holes be the precipitation floral tube of 10-20cm, simple for production；Owing to well-point dewatering method is vertical pumping, belong to deep layer precipitation, precipitation scope scalp is big, take effect slow, and be not suitable for the foundation ditch of big cross section, if dewatering effect is more inconspicuous when having foundry loam interlayer in foundation ditch, and horizontal floral tube precipitation system is applicable to variously-shaped big light-gauge foundation ditch, horizontal floral tube precipitation belongs to shallow-layer precipitation, the simple small investment of operation, instant effect；The precipitation system of the present invention can carry out precipitation to big cross section foundation ditch with local and foundation ditch lateral seepage position according to job site situation, more inconspicuous than more serious position such as dewatering effect to infiltration, with increasing and adjust horizontal precipitation pipeline, applied widely；It is vertical pumping that well-points dewatering carries out precipitation to big cross section foundation ditch, it is typically all and uses both sides precipitation simultaneously to can be only achieved dewatering effect, if with side precipitation, opposite side dewatering effect is likely to inconspicuous, and horizontal precipitation pipeline can be horizontal-extending to opposite side from side, foundation ditch both sides dewatering effect can be made equally to compare balance, use the present invention to save the material of more than 1/2nd than well-points dewatering；The precipitation system of the present invention runs 1-2 hour, soil body surface in foundation ditch is it can be seen that there is dry and cracked contraction gap, and after running 24 hours, water content fully achieves test water content and execution conditions, solve top layer infiltration and lateral seepage, save 7-15 days than conventional well point dewatering.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention horizontal floral tube precipitation system；
Fig. 2 is precipitation floral tube precipitation schematic diagram of the present invention.
Detailed description of the invention
Embodiment 1
Horizontal floral tube precipitation system, as it is shown in figure 1, include water leg 7, sand bed 9 in water leg 7 underfill, middle sand bed 9 is laid soil layer 10 of holding one's breath, middle sand bed 9 center is equipped with precipitation floral tube 8；Precipitation floral tube 8 is horizontally disposed with；Precipitation floral tube 8 one end seals, and uses stopper to seal, and the other end connects on main pipeline 4 by lateral 5, and main pipeline 4 connects vacuum-dewatering equipment.Precipitation floral tube 8 includes plastic tube, and plastic tube is evenly equipped with through hole, is fixed with palm fibre lamella, is fixed with filter mesh layer outside palm fibre lamella outside plastic tube, and palm fibre lamella and filter mesh layer are all fixed by binding.Plastic tube internal diameter is 4-5cm；Through-hole aperture is 6-10mm, and pitch of holes is 10-20cm.Middle sand bed 9 thickness is 30-40cm；The thickness of soil layer 10 of holding one's breath is 15-30cm.Vacuum-dewatering equipment includes the vacuum tank 3 being connected with main pipeline 4, and vacuum tank 3 connects has vacuum pump 1, vacuum pump 1 to be provided with motor 2.Main pipeline 4 is arranged below pipeline support 11.
Embodiment 2
The processing method of horizontal floral tube precipitation system, comprises the following steps:
(1) precipitation floral tube is made；
(2) water leg is excavated at needs precipitation position；
(3) in laying bottom water leg, sand, is placed on precipitation floral tube on Shamian Island, then fills middle sand, and sand bed in formation fills, at middle sand bed top, soil layer of holding one's breath；
(4) by lateral, precipitation floral tube is connected with main pipeline；
(5) start vacuum-dewatering equipment and carry out precipitation.
Selecting internal diameter in step (1) is the plastic tube of 4-5cm, plastic tube surface drilling formed aperture be 6-10mm, pitch of holes be the through hole of 10-20cm, through hole becomes blossom type, include that plastic tube forms palm fibre lamella with palm fibre sheet, after palm fibre lamella periphery uses tied silk colligation fixing, it is wrapped in outside palm fibre lamella with filter screen again and colligation is fixed, prepare precipitation floral tube.One end of precipitation floral tube uses stopper to seal, and the other end connects main pipeline by lateral.
Claims (9)
- The most horizontal floral tube precipitation system, it is characterised in that: including water leg, sand bed in water leg underfill, middle sand bed is laid soil layer of holding one's breath, middle sand bed center is equipped with precipitation floral tube；Precipitation floral tube is horizontally disposed with；Precipitation floral tube one end seals, and the other end is connected on main pipeline by lateral, and main pipeline connects vacuum-dewatering equipment.
- Horizontal floral tube precipitation system the most as claimed in claim 1, it is characterised in that: described precipitation floral tube includes plastic tube, and plastic tube is evenly equipped with through hole, is fixed with palm fibre lamella, is fixed with filter mesh layer outside palm fibre lamella outside plastic tube.
- Horizontal floral tube precipitation system the most as claimed in claim 2, it is characterised in that: described plastic tube internal diameter is 4-5cm；Through-hole aperture is 6-10mm, and pitch of holes is 10-20cm.
- Horizontal floral tube precipitation system the most as claimed in claim 3, it is characterised in that: described middle burial depth is 30-40cm；Described the thickness of the layer of holding one's breath is 15-30cm.
- Horizontal floral tube precipitation system the most as claimed in claim 4, it is characterised in that: described vacuum-dewatering equipment includes the vacuum tank being connected with main pipeline, and vacuum tank connects has vacuum pump, vacuum pump to be provided with motor.
- Horizontal floral tube precipitation system the most as claimed in claim 5, it is characterised in that: described main pipeline is arranged below pipeline support.
- 7. the processing method of the horizontal floral tube precipitation system as described in claim 1-6 is arbitrary, it is characterised in that comprise the following steps:(1) precipitation floral tube is made；(2) water leg is excavated at needs precipitation position；(3) in laying bottom water leg, sand, is placed on precipitation floral tube on Shamian Island, then fills middle sand, and sand bed in formation fills, at middle sand bed top, soil layer of holding one's breath；(4) by lateral, precipitation floral tube is connected with main pipeline；(5) start vacuum-dewatering equipment and carry out precipitation.
- The processing method of horizontal floral tube precipitation system the most as claimed in claim 7, it is characterized in that: selecting internal diameter in step (1) is the plastic tube of 4-5cm, plastic tube surface drilling formed aperture be 6-10mm, pitch of holes be the through hole of 10-20cm, include that plastic tube forms palm fibre lamella with palm fibre sheet, after palm fibre lamella periphery uses tied silk colligation fixing, it is wrapped in outside palm fibre lamella with filter screen again and colligation is fixed, prepare precipitation floral tube.
- The processing method of horizontal floral tube precipitation system the most as claimed in claim 8, it is characterised in that: one end of precipitation floral tube uses stopper to seal, and the other end connects main pipeline by lateral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610174561.2A CN105821892A (en) | 2016-03-25 | 2016-03-25 | Horizontal screen pipe dewatering system and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610174561.2A CN105821892A (en) | 2016-03-25 | 2016-03-25 | Horizontal screen pipe dewatering system and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105821892A true CN105821892A (en) | 2016-08-03 |
Family
ID=56523675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610174561.2A Pending CN105821892A (en) | 2016-03-25 | 2016-03-25 | Horizontal screen pipe dewatering system and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105821892A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729459A (en) * | 2018-08-22 | 2018-11-02 | 江苏南通三建集团股份有限公司 | The horizontal Method on Dewatering of Foundation Pit of shallow-layer being used cooperatively with tube well dewatering and well-points dewatering |
| CN109797762A (en) * | 2019-02-27 | 2019-05-24 | 黄河水利职业技术学院 | A kind of excavation slope built-in pipe, which is cut, seeps structure and its construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116140A (en) * | 1997-06-13 | 1999-01-12 | Penta Ocean Constr Co Ltd | Draining method for soft soil and extensible draining material |
| CN101270571A (en) * | 2007-03-20 | 2008-09-24 | 张伯谦 | Reinforcing method for demixing sole weight, prepressing water discharge concretion combination dynamic consolidation soft ground base |
| CN101705680A (en) * | 2009-11-05 | 2010-05-12 | 上海交通大学 | Construction method of stock dump capable of accelerating dehydration and drying process of dredging deposited sludge |
| CN101831898A (en) * | 2010-04-19 | 2010-09-15 | 中交天津港湾工程研究院有限公司 | Horizontal shallow layer negative-pressure consolidation working cushion layer technique |
| CN202012073U (en) * | 2011-04-08 | 2011-10-19 | 中国新兴保信建设总公司 | Draining device of foundation pit support surface aquitard |
-
2016
- 2016-03-25 CN CN201610174561.2A patent/CN105821892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116140A (en) * | 1997-06-13 | 1999-01-12 | Penta Ocean Constr Co Ltd | Draining method for soft soil and extensible draining material |
| CN101270571A (en) * | 2007-03-20 | 2008-09-24 | 张伯谦 | Reinforcing method for demixing sole weight, prepressing water discharge concretion combination dynamic consolidation soft ground base |
| CN101705680A (en) * | 2009-11-05 | 2010-05-12 | 上海交通大学 | Construction method of stock dump capable of accelerating dehydration and drying process of dredging deposited sludge |
| CN101831898A (en) * | 2010-04-19 | 2010-09-15 | 中交天津港湾工程研究院有限公司 | Horizontal shallow layer negative-pressure consolidation working cushion layer technique |
| CN202012073U (en) * | 2011-04-08 | 2011-10-19 | 中国新兴保信建设总公司 | Draining device of foundation pit support surface aquitard |
Non-Patent Citations (1)
| Title |
|---|
| 董志良等人: "塑料排水技术及其在环境岩土工程中的应用", 《防灾减灾工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729459A (en) * | 2018-08-22 | 2018-11-02 | 江苏南通三建集团股份有限公司 | The horizontal Method on Dewatering of Foundation Pit of shallow-layer being used cooperatively with tube well dewatering and well-points dewatering |
| CN109797762A (en) * | 2019-02-27 | 2019-05-24 | 黄河水利职业技术学院 | A kind of excavation slope built-in pipe, which is cut, seeps structure and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103233454B (en) | Processing method of soaking, vacuum preloading and slurry injecting for sand piles of collapsible loess foundation | |
| CN103967507B (en) | A kind of curtain-grouting technique being suitable for rich water mine down-hole exploitation water blockoff | |
| CN104404974B (en) | The thick sand-pebble layer deep basal pit of high artesian slip casting back cover structure and construction technology thereof | |
| CN205677631U (en) | It is combined arch tunnel lining structure at the bottom of the box tunnel with hydrophobic function | |
| CN104120710B (en) | A kind of highway on soft ground method of vacuum pre-pressed joint serous fluid of dredger fill | |
| CN105544576B (en) | A kind of foundation pit Yield rainfall relation excavation method | |
| CN207143981U (en) | 3rd is rich water half diagenesis Sandstone Section Metro station excavation discharge structure | |
| CN108104144A (en) | Subtract the highly permeable stratum deep basal pit Groundwater Control method and structure oozed based on decompression | |
| CN103215945B (en) | The three-dimensional assembly power drain consolidation system of heterogeneous body place soft soil foundation and method | |
| CN102787606B (en) | Guard method to surrounding environment in a kind of excavation of foundation pit Precipitation Process | |
| CN102383408A (en) | Greening method for high water level impermeable saline and alkaline lands and greening system | |
| CN207891929U (en) | A kind of ecotype Tailings Dam leakage preventing structure | |
| CN105821892A (en) | Horizontal screen pipe dewatering system and treatment method | |
| CN203939036U (en) | A kind of steel sheet pile cofferdam structure that is applicable to river course | |
| CN102787608B (en) | Gravity type foundation pit supporting system under vacuum effect and construction method | |
| CN205839779U (en) | A kind of sandy soil stratum base pit dewatering water level following catch pit structure | |
| CN103967506B (en) | A kind of ore body roof Karst Fissures is grown and the curtain-grouting method in strong Fu Shui mineral deposit | |
| CN105155472A (en) | Dam foundation anti-seepage structure of deep overlying layer earth-rock dam and construction method of dam foundation anti-seepage structure | |
| CN102767371B (en) | Method for realizing water-preserved mining by utilizing curtain grouting technology | |
| CN205662938U (en) | Drainage excavation structure falls in foundation ditch | |
| CN204252148U (en) | High artesian thick sand-pebble layer deep foundation ditch slip casting back cover structure | |
| CN107023013A (en) | A kind of green precipitation method for making full use of hydrogeological characteristic | |
| CN203320576U (en) | Waterproof and drainage system for basement external wall of super high-rise buildings | |
| CN205444162U (en) | Horizontal floral tube precipitation system | |
| CN206173944U (en) | Lowland dredger fill drainage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
|
| RJ01 | Rejection of invention patent application after publication |