CN105821830B - A kind of anatonosis siphon drainge system for hypotonicity slight slope - Google Patents
A kind of anatonosis siphon drainge system for hypotonicity slight slope Download PDFInfo
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- CN105821830B CN105821830B CN201610307632.1A CN201610307632A CN105821830B CN 105821830 B CN105821830 B CN 105821830B CN 201610307632 A CN201610307632 A CN 201610307632A CN 105821830 B CN105821830 B CN 105821830B
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- siphon
- pipe
- hypotonicity
- pervious concrete
- anatonosis
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- 239000011380 pervious concrete Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000003673 groundwater Substances 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002791 soaking Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- 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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (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)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Hydrology & Water Resources (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention relates to hyposmosis Geotechnical Engineering technical field of drainage, and in particular to a kind of anatonosis siphon drainge system for hypotonicity slight slope, the engineering drainage especially suitable for hyposmosis coefficient water rich strata.It is made up of pervious concrete pressure break injected system with siphon drainge system, for the loess slope with hypotonicity and settlement by soaking, pervious concrete is pressed into hypotonicity Loess Landslide, forms high osmosis network channel, expands the coverage that single siphon drainage hole produces cone of depression.Drainage efficiency is increased by the permeable network of high osmosis, high-lift siphon principle is relied on, it is automatical and efficient to discharge underground water unnecessary in side slope in real time, slope underground water position can be controlled below safe water plane, without any external impetus, there is low cost, the advantage of efficiency high.
Description
Technical field
The invention belongs to hypotonicity soil body technical field of drainage, and in particular to one kind forms height by being pressed into seepy material
The water discharge method of permeable network, especially suitable for the ground being made up of hypotonicity soil and the draining of side slope.
Background technology
In basement process and preventing land slide field, it is engineering control success or not to discharge the underground water contained in the soil body in time
Key.However, for the very low soil body of permeability, drainage procedure generally requires long time, largely effects on project progress,
The displacement of the hypotonicity soil body in the unit interval is improved into main path to solve this problem.
At present, in field of foundation treatment, sand drain and plastic draining board is commonly used as drainage channel, passes through the side of piling prepressing
Formula increases pore water pressure, and larger hydraulic gradient is formed between the soil body and drainage channel, the power as underground water discharge.
This way engineering time length, and complex procedures.And in slope treatment, draining is carried out frequently with gravity type osculum, really often
Often perplexed by draining hole plug.To solve this problem, scholar carries out draining using siphon method side slope, its advantage is
Automatically controlling for siphon startup can be realized, is not easy plug-hole, and draining depth is larger.But this method is in the hypotonicity soil body
In some problems also be present.Because the permeability of the soil body is low, the rate of discharge of groundwater caused entry into siphonic system collector pipe is small, rainbow
Time out length is inhaled, the risk for having failure.In addition, hypotonicity often leads to high hydraulic gradient so that siphon drainage landing leakage
The coverage that struggles against is limited, and the low mode in intensive arrangement siphon drainage hole need to be used to solve this problem, cause quantities to greatly increase.
Therefore, it is necessary to invent a kind of method and apparatus, the drainage efficiency and shadow of the hypotonicity soil body are improved with reference to siphon drainge system
Ring scope.
The content of the invention
For siphon drainage method in the prior art, drainage efficiency is low in the hypotonicity soil body, coverage it is small, it is necessary to
The defects of a large amount of manpower and materials, patent technical problem to be solved of the present invention be by seepy material in the hypotonicity soil body
Pressure break networking, form the permeable network of high osmosis.Described anti-reflection technology can not only increase hypotonicity inside soil body draining
Area, drainage efficiency is improved, and can play a part of internally reinforcing drainage, there is filtering to make soil particle
With the guarantee soil body will not produce corrosion destruction.It is automatic to recover with reference to siphon Auto-drainage, it is steady in a long-term effective the characteristics of, realize
Efficient, the stable and safety drain of the hypotonicity soil body.The soil body type that underground water content is high, permeability is low, such as loess, silty
Clay etc..
The technical solution adopted for the present invention to solve the technical problems is：
A kind of anatonosis siphon drainge system for hypotonicity slight slope, it is characterised in that：Described is used for hypotonicity
The anatonosis siphon drainge system of slight slope includes pressure break injected system and siphon drainge system, and described pressure break injected system includes height
Press pump, borehole casing, pervious concrete, described siphon drainge system include siphon pipe, collecting-tank, and siphon drainge system is to raise
Journey is higher than 10m high-lift siphon drainge system, for the automatic start siphon in groundwater table rise, discharges in real time in stratum
Underground water, controlling groundwater level is below a safety level.
The borehole casing of pressure break injected system is by pervious concrete pumping outlet, overcoat pipe joint, inner sleeve pipe close, internal sleeve
Pipe, outer sleeve, orientation injection tube head, water penetration collector pipe composition, borehole casing are installed orientation injection tube head by drilling
Precalculated position in hypotonicity slight slope, adjustment orientation inject tube head position, ensure the injection direction of pervious concrete.High pressure
Pump is connected with pervious concrete pumping outlet, and pervious concrete is injected between inner sleeve and outer sleeve, then will be permeable mixed
Solidifying soil is from orientation injection tube head injection hypotonicity slight slope, and pervious concrete develops along soil body weakness zone, in fracturing stratum
Ground forms space high osmosis drainage network, after pervious concrete solidification meanwhile, it is capable to full of whole crevice space and solidifying
Overcoat pipe joint, the inner sleeve pipe close of borehole casing are removed, makes the siphon of the inner sleeve and siphon drainge system of borehole casing
Pipe is connected, and water is inversely poured into siphon pipe and enters the collector pipe of lower end, siphon pipe pipe lower end elevation is reduced, makes pipe lower end elevation
Less than the elevation of pipe upper end, initial siphon is realized, underground water enters orientation injection tube head by space high osmosis drainage network,
Inner sleeve is entered by pervious concrete and water penetration collector pipe again, then water is discharged to by siphon pipe by collecting-tank.
The described anatonosis siphon drainge system for hypotonicity slight slope, it is characterised in that：Described pervious concrete,
Infiltration coefficient reaches 0.01~0.02m/d, is added using a small amount of cement mortar such as graded aggregate, forms the permeable structure of high voidage,
As seepage action of ground water passage.After being pressed into loess, formed centered on collector pipe, the drainage network spread to surrounding.
Described borehole casing is double-tube structure, logical for pervious concrete injection between inner sleeve and outer sleeve
Road.
The siphon pipe is less than 5mm polyurethane (PU) siphon pipe using internal diameter, during siphon flowing, can be formed
Slug flow, air accumulation will not occur.
It is 10MPa that described high-pressure pump maximum, which is available for pressure, according to orientation injection tube head present position, overlying soil thickness
And the draining pitch of holes being related to determines high pressure pump pressure.
The inner sleeve of described borehole casing uses PVC, while as the placement passage of siphon pipe.
The outer sleeve of described borehole casing uses steel pipe, and pipe end sets sizing tube head, and orientation tube head is in boring procedure
In simultaneously be used as drill bit.
The beneficial effects of the invention are as follows be mainly manifested in：
1st, slope drainage system of the invention utilize high-lift siphon principle, it is automatical and efficient discharge in real time it is unnecessary in side slope
Underground water, slope underground water position can be controlled below safe water plane, without any external impetus；
2nd, pervious concrete is pressed into hypotonicity Loess Landslide by the present invention by high pressure, is formed high osmosis network and is led to
Road, expand the coverage that single siphon drainage hole produces cone of depression；
3rd, the high osmosis network channel that the present invention is formed, draining is had concurrently with reinforcing two functions, lowering of watertable
Increase soil shear strength simultaneously, improve Side Slope Safety Coefficient；
4th, present invention is specifically directed to the loess slope with hypotonicity and settlement by soaking, increased by the permeable network of high osmosis
Add drainage efficiency, rely on siphon drainage technology Auto-drainage, there is low cost, the advantage of efficiency high.
Brief description of the drawings
Fig. 1 is the technical principle overall diagram of the present invention；
Fig. 2 is the borehole casing axial section of the present invention；
Fig. 3 is the borehole casing radial cutaway view of the present invention；
In figure：1 level of ground water；2 space high osmosis drainage networks；3 borehole casings；4 hypotonicity slight slopes；5 siphon pipes；
6 collecting-tanks；7 pervious concrete pumping outlets；8 overcoat pipe joints；9 inner sleeve pipe closes；10 inner sleeves；11 outer sleeves；12 is fixed
To injection tube head；13 water penetration collector pipes；14 pervious concretes.
Embodiment
The present invention provides a kind of anatonosis siphon drainge system for hypotonicity slight slope, and described is used for hypotonicity soil
The anatonosis siphon drainge system on slope includes pressure break injected system and siphon drainge system, and described pressure break injected system includes high pressure
Pump, borehole casing 3, pervious concrete 14；Described siphon drainge system includes siphon pipe 5, collecting-tank 6, siphon drainge system
It is higher than 10m high-lift siphon drainge system for lift, for the automatic start siphon in groundwater table rise, discharges ground in real time
Underground water in layer, controlling groundwater level is below a safety level, and the borehole casing 3 of pressure break injected system is by pervious concrete
Pumping outlet 7, overcoat pipe joint 8, inner sleeve pipe close 9, inner sleeve 10, outer sleeve 11, orientation injection tube head 12, water penetration collection
Water pipe 13 forms, the precalculated position that borehole casing 3 will orient injection tube head 12 in hypotonicity slight slope 4 by drilling,
Adjustment orientation injection tube head 12 position, ensure the injection direction of pervious concrete 14, high-pressure pump and the phase of pervious concrete pumping outlet 7
Even, pervious concrete 14 is injected between inner sleeve 10 and outer sleeve 11, then injected pervious concrete 14 from orientation
Tube head 12 injects hypotonicity slight slope 4, and pervious concrete 14 develops along soil body weakness zone, in fracturing stratum ground simultaneously,
Whole crevice space can be full of and solidified, form space high osmosis drainage network 2, pervious concrete 14 removes brill after solidifying
Overcoat pipe joint 8, the inner sleeve pipe close 9 of hole sleeve 3, make the inner sleeve 10 of borehole casing 3 and the siphon of siphon drainge system
Pipe 5 is connected, and water is inversely poured into siphon pipe 5 and enters the collector pipe 13 of lower end, the pipe lower end elevation of siphon pipe 5 is reduced, makes under pipe
Hold elevation to be less than the elevation of pipe upper end, realize initial siphon, underground water enters orientation by space high osmosis drainage network 2 and noted
Enter tube head 12, then inner sleeve 10 is entered by pervious concrete 14 and water penetration collector pipe 13, then water is arranged by siphon pipe 5
To collecting-tank 6.
Claims (5)
- A kind of 1. anatonosis siphon drainge system for hypotonicity slight slope, it is characterised in that：Described is used for hypotonicity soil The anatonosis siphon drainge system on slope includes pressure break injected system and siphon drainge system, and described pressure break injected system includes high pressure Pump, borehole casing (3), pervious concrete (14)；Described siphon drainge system includes siphon pipe (5), collecting-tank (6), siphon Drainage system is the high-lift siphon drainge system that lift is higher than 10m, real for the automatic start siphon in groundwater table rise When discharge underground water in stratum, controlling groundwater level below a safety level, the borehole casing (3) of pressure break injected system by It is pervious concrete pumping outlet (7), overcoat pipe joint (8), inner sleeve pipe close (9), inner sleeve (10), outer sleeve (11), fixed To injection tube head (12), water penetration collector pipe (13) composition, borehole casing (3) is installed orientation injection tube head (12) by drilling Precalculated position in hypotonicity slight slope (4), the position of adjustment orientation injection tube head (12), ensure pervious concrete (14) Injection direction, high-pressure pump are connected with pervious concrete pumping outlet (7), by pervious concrete (14) injection inner sleeve (10) and outside It is permeable then by pervious concrete (14) from orientation injection tube head (12) injection hypotonicity slight slope (4) between parts casing pipe (11) Concrete (14) develops along soil body weakness zone, in fracturing stratum ground meanwhile, it is capable to full of whole crevice space and solidify, Space high osmosis drainage network (2) is formed, the overcoat pipe joint of borehole casing (3) is removed after pervious concrete (14) solidification (8), inner sleeve pipe close (9), the inner sleeve (10) of borehole casing (3) is made to be connected with the siphon pipe (5) of siphon drainge system, will Water inversely pours into siphon pipe (5), and enters the water penetration collector pipe (13) of lower end, reduces siphon pipe (5) pipe lower end elevation, makes pipe Lower end elevation is less than the elevation of pipe upper end, realizes initial siphon, it is fixed that underground water is entered by space high osmosis drainage network (2) Enter inner sleeve (10) to injection tube head (12), then by pervious concrete (14) and water penetration collector pipe (13), then pass through Water is discharged to collecting-tank (6) by siphon pipe (5).
- 2. according to the anatonosis siphon drainge system for hypotonicity slight slope described in claim 1, it is characterised in that：It is described Pervious concrete (14), infiltration coefficient reaches 0.01~0.02m/d.
- 3. according to the anatonosis siphon drainge system for hypotonicity slight slope described in claim 2, it is characterised in that：It is described Borehole casing (3) be double-tube structure, between inner sleeve (10) and outer sleeve (11) for pervious concrete (14) inject Passage.
- 4. according to the anatonosis siphon drainge system for hypotonicity slight slope described in claim 3, it is characterised in that：It is described Siphon pipe (5) is less than 5mm polyurethane siphon pipe using internal diameter.
- 5. according to the anatonosis siphon drainge system for hypotonicity slight slope described in claim 4, it is characterised in that：It is described The inner sleeve (10) of borehole casing (3) use PVC, the outer sleeve (11) of described borehole casing (3) uses steel Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307632.1A CN105821830B (en) | 2016-05-05 | 2016-05-05 | A kind of anatonosis siphon drainge system for hypotonicity slight slope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610307632.1A CN105821830B (en) | 2016-05-05 | 2016-05-05 | A kind of anatonosis siphon drainge system for hypotonicity slight slope |
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| Publication Number | Publication Date |
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| CN105821830A CN105821830A (en) | 2016-08-03 |
| CN105821830B true CN105821830B (en) | 2018-03-23 |
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| CN113279368A (en) * | 2021-04-21 | 2021-08-20 | 三峡大学 | Device for automatically adjusting internal osmotic water pressure of side slope |
| CN113250141A (en) * | 2021-04-21 | 2021-08-13 | 三峡大学 | System and method for adjusting osmotic water pressure inside slope with water level change |
| CN114575359B (en) * | 2022-03-17 | 2023-07-28 | 中钢集团马鞍山矿山研究总院股份有限公司 | Weak-permeability soil layer side slope underground flood control method |
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| CN105821830A (en) | 2016-08-03 |
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