CN110409474A - It is placed in the pipe well for lower water of diaphram wall bottom - Google Patents
It is placed in the pipe well for lower water of diaphram wall bottom Download PDFInfo
- Publication number
- CN110409474A CN110409474A CN201910727527.7A CN201910727527A CN110409474A CN 110409474 A CN110409474 A CN 110409474A CN 201910727527 A CN201910727527 A CN 201910727527A CN 110409474 A CN110409474 A CN 110409474A
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- Prior art keywords
- well
- round tube
- diaphram wall
- reinforcement cage
- steel reinforcement
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000002787 reinforcement Effects 0.000 claims abstract description 38
- 239000004576 sand Substances 0.000 claims abstract description 34
- 238000010276 construction Methods 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 15
- 239000000706 filtrate Substances 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000011118 depth filtration Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0007—PVC
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of pipe well for lower water for being placed in diaphram wall bottom, it include round tube, steel reinforcement cage, groove and filter well, round tube is bound to the inside of steel reinforcement cage, it respectively corresponds at the top and bottom of round tube and is stretched out from the top and bottom of steel reinforcement cage, diaphram wall is formed in steel reinforcement cage merging groove and by way of casting concrete, by boring digging downwards along the inside of round tube and being thrown into middle sand, the mode of coarse sand is formed with sand setting section in the bottom of diaphram wall, filter well is sunk down into along the inside of round tube to be bored at digging and contacts sand setting section, it filters and is filled with filtrate in well, the pipe well for lower water for being placed in diaphram wall bottom is consequently formed.Round tube (being equivalent to well casing section) of the present invention is prefabricated, is fixed in diaphram wall steel reinforcement cage, this section of well casing no longer need to sink using the drilling of conventional construction method, well casing, the filter layer between backfill tube wall and the borehole wall, well-flushing, construction greatly simplifies, the project amount that up to 80% can be reduced shortens the construction period, reduces project cost.
Description
Technical field
The present invention relates to Geotechnical Engineering field, specifically a kind of pipe well for lower water for being placed in diaphram wall bottom.
Background technique
Pipe well points are made of water-filtering well tube, suction hose and water lifting machinery etc..Pipe well points equipment is simpler, displacement
Greatly, precipitation is deeper, has bigger dewatering effect compared with light well point, multiple groups light well point can be replaced to act on, and water pump is located at ground,
It is easy to maintain.The inbuilt depth of pipe well and distance are according to needing precipitation area, depth and infiltration coefficient to determine, general 10~50m of spacing,
Maximum buried depth is up to 10m.Tube well dewatering applicable elements: Quaternary aquifer thickness is greater than 5.0m；Bedrock fracture and karst are aqueous
Layer, thickness are smaller than 5.0m；AQUIFER HYDRAULIC K is preferably greater than 1.0m/d；Suitable for 3~5m of precipitation depth.
There is the filter layer between drilling, well casing sinking, backfill tube wall and the borehole wall, well-flushing, examination pumping etc. are main to walk when tube well construction
Suddenly, it also needs to pull out well casing, shut-in well after use.One fairly large base pit engineering often need to set quantity dozens of even on
Hundred dewatering wells, overall expenses is higher, and occupies construction site.
In the base pit engineering using diaphram wall supporting, if diaphram wall is generally in big aqueous of infiltration coefficient
It is to be worth discussion the characteristics of how developing a kind of novel pipe well for lower water, make it have easy construction, low cost in sandy gravel stratum
The technical issues of.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of pipe well for being placed in diaphram wall bottom
Dewatering well, round tube (being equivalent to well casing section) is prefabricated, is fixed in steel reinforcement cage, and round tube and underground connect at the end of construction of diaphragm wall
The rock-soil layer contact of continuous wall bottom, bores again into rock-soil layer inside round tube and digs certain distance and filter well is arranged, that is, form precipitation
Well has construction is simple, the feature of low cost.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of pipe well for lower water being placed in diaphram wall bottom, it is characterised in that: include round tube, steel reinforcement cage, groove
With filter well, the round tube is bound to the inside of the steel reinforcement cage, is respectively corresponded at the top and bottom of round tube from the steel reinforcement cage
Top and bottom stretch out, the steel reinforcement cage be placed in the groove and be formed with by way of casting concrete underground company
Continuous wall, in the bottom of the diaphram wall by way of being bored downwards along the inside of the round tube and digging and be thrown into middle sand, coarse sand
It is formed with sand setting section, the filter well sinks down into along the inside of the round tube and bores at digging and contact the sand setting section, filters and fills out in well
Filled with filtrate, the pipe well for lower water for being placed in diaphram wall bottom is consequently formed.
Specifically, it lifts by crane in the steel reinforcement cage merging groove and casting concrete is formed with diaphram wall, to
After the concrete strength of the diaphram wall reaches 70%, is bored downwards based on drilling machine along the inside of the round tube and dig a depthkeeping
Degree, is thrown into middle sand, coarse sand in the bottom of the diaphram wall and is formed with sand setting section, the filter well is along the inside of the round tube
It sinks down into and bores at digging and contact the sand setting section, filter and be filled with filtrate in well, the pipe for being placed in diaphram wall bottom is consequently formed
Well dewatering well.
The pipe well for lower water for being placed in diaphram wall bottom, it is characterised in that: the filter well is by steel pipe or PVC
Pipe is made；The water seepage hole for being provided on the tube wall of well and being distributed in plum blossom-shaped is filtered, the diameter of the water seepage hole is 12mm~18mm,
The porosity of water seepage hole is all larger than 15%, and the length for the section that seeps water is greater than 1.0m；Strainer is provided with outside the tube wall of the filter well.
The pipe well for lower water for being placed in diaphram wall bottom, it is characterised in that: the internal diameter of the round tube is not less than
400mm；Round tube is made of steel or plastics, and round tube should have enough strength and stiffness, does not break under construction loads effect
It splits and fails.
The pipe well for lower water for being placed in diaphram wall bottom, it is characterised in that: the outer diameter of the filter well is slightly less than
The internal diameter of the round tube；When filter well sinks down into contact sand setting section along the inside of the round tube, the round tube is inserted on the top for filtering well
Internal length is not less than 200mm.
The pipe well for lower water for being placed in diaphram wall bottom, it is characterised in that: the length of the sand setting section is not small
In 3m.
Compared with prior art, the present invention has the advantage that
1, round tube of the invention (being equivalent to well casing section) is prefabricated, is fixed in steel reinforcement cage, at the end of construction of diaphragm wall
Being embedded in the round tube inside diaphram wall can come into operation, this section of pipe well no longer need to using conventional construction method drilling,
Well casing sinks, the filter layer between backfill tube wall and the borehole wall, well-flushing, and construction greatly simplifies, can reduce up to 80% work
Cheng Liang shortens the construction period, reduces project cost.
2, the present invention only bores downwards again along round tube after construction of diaphragm wall and digs certain depth setting filter well i.e.
Can, the project amount is relatively small, and is generally not necessarily to mud off, water filling wash boring is omitted, in dilution holes the step of mud,
To protection environmental benefits.
3, the filter well of present invention diaphragm wall bottom located underground be diaphram wall concrete strength reach 70% with
Carry out construction again afterwards, the construction of one side diaphram wall, without influence, on the other hand filters the construction of well to underground to dewatering well
The influence of diaphragm wall is also very small.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram that round tube is embedded in steel reinforcement cage in the present invention.
Fig. 2 is the structural side view that round tube is embedded in steel reinforcement cage in the present invention.
Fig. 3 is the structural schematic diagram of groove in the present invention.
Fig. 4 is to hang steel reinforcement cage schematic diagram in the present invention.
Fig. 5 is that casting concrete forms diaphram wall schematic diagram in the present invention.
Fig. 6 is to bore to dig and be arranged filter well schematic diagram in the present invention.
Fig. 7 is dewatering well precipitation schematic diagram of the present invention.
Fig. 8 is the schematic three dimensional views that the present invention is placed in diaphram wall bottom dewatering well.
Description of symbols: 1, steel reinforcement cage；2, round tube；3, groove；4, diaphram wall；5, well is filtered；6, it is infiltrated after precipitation
Line；Arrow indicates water flow movement direction of drawing water in figure.
Specific embodiment
Referring to attached drawing:
In the base pit engineering using diaphram wall supporting, level of ground water is higher, and diaphram wall is generally in infiltration
In the big water-bearing layer of coefficient, need to carry out the lowering of watertable that draws water to foundation pit inner and outer simultaneously.At present common practice be
Serial dewatering well is separately provided on the inside or outside of foundation pit, reduces the level of ground water at construction working face.
A kind of pipe well for lower water being placed in diaphram wall bottom includes round tube 2, steel reinforcement cage 1, groove 3 and filters well 5,
Round tube 2 is bound to the inside of steel reinforcement cage 1, and the top and bottom of round tube 2 are respectively corresponded to be stretched out from the top and bottom of steel reinforcement cage 1,
Steel reinforcement cage 1 is placed in groove 3 and is formed with by way of casting concrete diaphram wall 4, by along the inside of round tube 2 to
Lower brill digs and is thrown into middle sand, the mode of coarse sand is formed with sand setting section in the bottom of diaphram wall 4, filters well 5 along the inside of round tube 2
It sinks down into and bores at digging and contact sand setting section, filter and be filled with filtrate in well 5, the pipe well drop for being placed in diaphram wall bottom is consequently formed
Well.
Specifically, lifting steel reinforcement cage 1 is placed in groove 3 and casting concrete is formed with diaphram wall 4, continuous to underground
It after the concrete strength of wall 4 reaches 70%, is bored downwards based on drilling machine along the inside of round tube 2 and digs certain depth, be thrown into middle sand, thick
Sand is formed with sand setting section in the bottom of diaphram wall 4, and filter well 5 sinks down into along the inside of round tube 2 and bores at digging and contact sand setting section,
It filters and is filled with filtrate in well 5, the pipe well for lower water for being placed in diaphram wall bottom is consequently formed.
The nouns of locality such as above-mentioned " inside " referred to, " top ", " bottom " are postures when being constructed based on diaphram wall 4
Come what is determined.Steel reinforcement cage 1 is suspended to the top of groove 3 when construction, and is in plummet state, as shown in Fig. 3~Fig. 6.In this appearance
Under state, to determine being specifically directed towards for each noun of locality, the noun of locality that other places are mentioned in specification also is estimated to obtain by this posture.
Above-mentioned orientation or positional relationship are orientation based on the figure or positional relationship, merely to description is convenient, rather than
It indicates or implies that signified device or component must have a particular orientation, construct and operate, therefore should not be understood as pair
Limitation of the invention.
Round tube 2 is bound to the inside of steel reinforcement cage 1, and the top and bottom of round tube 2 are respectively corresponded from the top and bottom of steel reinforcement cage 1
Portion is stretched out, as depicted in figs. 1 and 2.The bottom of round tube 2 is stretched out from the bottom of steel reinforcement cage 1, after so that steel reinforcement cage 1 is hung groove 3,
2 bottom of round tube can be inserted into certain distance in soil and be sealed, during the concrete pouring construction for making subsequent diaphram wall 4
Concrete cannot be introduced into the inside of round tube 2.
Filter well 5 is made of steel pipe or pvc pipe；Filter the water seepage hole for being provided on the tube wall of well 5 and being distributed in plum blossom-shaped, water seepage hole
Diameter be 12mm~18mm, the porosity of water seepage hole is all larger than 15%, and the length of the section that seeps water is greater than 1.0m；Filter the pipe of well 5
Strainer is provided with outside wall.
The internal diameter of round tube 2 is not less than 400mm；Round tube 2 is made of steel or plastics, round tube 2 should have enough intensity and just
Degree does not occur to rupture and be failed under construction loads effect.
The outer diameter of filter well 5 is slightly less than the internal diameter of round tube 2；When filter well 5 sinks down into contact sand setting section along the inside of round tube 2, filter
The length inside round tube 2 is inserted in not less than 200mm in the top of well 5.
The length of sand setting section is not less than 3m, and passing through the underground water in water-bearing layer effectively, sand setting section is permeated, filtering is collected to
It filters in well 5.
Round tube 2 is equivalent to the well casing of traditional dewatering well, and round tube 2 should have enough internal diameters, makes immersible pump based on round tube 2
Inside sinks down into the inside of filter well 5.Water band is connected on immersible pump, starting immersible pump can will penetrate into the underground water inside filter well 5
It extracts to earth's surface and is discharged.After precipitation, immersible pump can be withdrawn along the inside of round tube 2, be removed, without pulling out round tube 2.
Construction method of the invention, is briefly discussed below:
(1), smooth location, surveying setting-out pour and lead wall, excavate groove 3, as shown in Figure 3.
(2), steel reinforcement cage 1 is made in advance, and round tube 2 is fixed on inside steel reinforcement cage 1, and the top of round tube 2 is from steel reinforcement cage 1
Top is stretched out, and the bottom of round tube 2 is stretched out from the bottom of steel reinforcement cage 1, as depicted in figs. 1 and 2；The lifting of steel reinforcement cage 1 is put into groove 3
In, as shown in Figure 4.
2 total weight of round tube installed additional inside steel reinforcement cage 1 is smaller, will not have an impact to the lifting construction of steel reinforcement cage 1.
(3), casting concrete, concrete wrap up round tube 2, form diaphram wall 4, as shown in Figure 5.
(4), after the concrete strength of diaphram wall 4 reaches 70%, based on drilling machine along the inside of round tube 2 to underground
The bottom of diaphragm wall 4, which is bored, digs certain depth, is thrown into middle sand, coarse sand setting sand setting section, then sink to filtering well 5 to boring at digging, filters in well 5
Filtrate is filled, the pipe well for lower water for being placed in diaphram wall bottom is consequently formed, as shown in Figure 6.
The circle gravel for the ragstone ingredient that filtrate preferably selects psephicity good.The partial size selection of filtrate should meet related specifications
It wants.
Operation schematic diagram of the invention is as shown in fig. 7, three dimensional structure diagram of the invention is as shown in Figure 8.
Round tube 2 (being equivalent to well casing section) is prefabricated, is fixed in steel reinforcement cage 1, and diaphram wall 4 is embedded in ground at the end of constructing
Round tube 2 inside lower diaphragm wall 4 can come into operation, this section of pipe well no longer needs to the drilling using conventional construction method, under well casing
Filter layer, well-flushing between heavy, backfill tube wall and the borehole wall and etc., construction greatly simplifies, and can usually reduce up to 80% engineering
Amount, shortens the construction period, reduces project cost；After diaphram wall 4 is constructed, digging one is only bored again downwards along round tube 2
Depthkeeping degree setting filter well 5, the project amount is relatively small, and is generally not necessarily to mud off, and water filling wash boring, dilute is omitted
The step of releasing mud in hole, to protection environmental benefits；The filter well 5 of 4 bottom of diaphragm wall located underground is in the mixed of diaphram wall 4
Solidifying soil intensity carries out construction after reaching 70% again, and the construction of one side diaphram wall is on dewatering well without influence, another party
Influence of the construction of face filter well to diaphram wall is also very small, in controlled range.
Generally, foundation pit surrounding is distributed evenly according to a certain number of dewatering wells of design scheme.It is dropped in design arrangement
The position of well just using the pipe well for lower water for being placed in diaphram wall bottom, makes inside dewatering well setting diaphram wall.And
In the position of not set dewatering well, traditional cast-in-situ steel reinforced concrete diaphram wall is still used.As it can be seen that being not necessarily to all unit grooves
Dewatering well is arranged in the diaphram wall of section, only on-demand reasonable Arrangement.
The partial shape for being placed in the pipe well for lower water of diaphram wall bottom and part connection type are shown only in attached drawing,
According to mentioned thinking, thus it is possible to vary shape, the connection type of each section of each component, form other correlation types is placed in underground
The pipe well for lower water of diaphragm wall bottom belongs to equivalent modifications and change of the invention, and details are not described herein again.
Attached drawing only for illustration, is not considered as limiting the invention；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, is not considered as limiting the invention.
The present invention is not limited to above-mentioned specific embodiment, according to above content, according to the ordinary technical knowledge of this field
And customary means, under the premise of not departing from above-mentioned basic fundamental thought of the invention, the present invention can also make other diversified forms
Equivalent modifications, replacement or change, be within the scope of the present invention.
Claims (5)
1. a kind of pipe well for lower water for being placed in diaphram wall bottom, it is characterised in that: include round tube, steel reinforcement cage, groove and
Well is filtered, the round tube is bound to the inside of the steel reinforcement cage, is respectively corresponded at the top and bottom of round tube from the steel reinforcement cage
Top and bottom are stretched out, and the steel reinforcement cage is placed in the groove and that underground is formed with by way of casting concrete is continuous
Wall, in the bottom shape of the diaphram wall by way of being bored downwards along the inside of the round tube and digging and be thrown into middle sand, coarse sand
At there is sand setting section, the filter well sinks down into along the inside of the round tube and bores at digging and contact the sand setting section, filters and fills in well
There is filtrate, the pipe well for lower water for being placed in diaphram wall bottom is consequently formed.
2. the pipe well for lower water according to claim 1 for being placed in diaphram wall bottom, it is characterised in that: the filter well
It is made of steel pipe or pvc pipe；The water seepage hole for being provided on the tube wall of well and being distributed in plum blossom-shaped is filtered, the diameter of the water seepage hole is
The porosity of 12mm~18mm, water seepage hole are all larger than 15%, and the length for the section that seeps water is greater than 1.0m；It is arranged outside the tube wall of the filter well
There is strainer.
3. the pipe well for lower water according to claim 1 for being placed in diaphram wall bottom, it is characterised in that: the round tube
Internal diameter is not less than 400mm；Round tube is made of steel or plastics, and round tube should have enough strength and stiffness, in construction loads effect
Under do not occur rupture and fail.
4. the pipe well for lower water according to claim 1 for being placed in diaphram wall bottom, it is characterised in that: the filter well
Outer diameter is slightly less than the internal diameter of the round tube；When filter well sinks down into contact sand setting section along the inside of the round tube, the top set of well is filtered
Enter the length inside the round tube not less than 200mm.
5. the pipe well for lower water according to claim 1 for being placed in diaphram wall bottom, it is characterised in that: the sand setting section
Length be not less than 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727527.7A CN110409474B (en) | 2019-08-07 | 2019-08-07 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727527.7A CN110409474B (en) | 2019-08-07 | 2019-08-07 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
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| Publication Number | Publication Date |
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| CN110409474A true CN110409474A (en) | 2019-11-05 |
| CN110409474B CN110409474B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910727527.7A Active CN110409474B (en) | 2019-08-07 | 2019-08-07 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
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| Country | Link |
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| CN (1) | CN110409474B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350202A (en) * | 2020-04-03 | 2020-06-30 | 山东大学 | Novel assembly type anchoring structure capable of being used as dewatering well and support and construction method |
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| JPH10110427A (en) * | 1996-10-04 | 1998-04-28 | Ohbayashi Corp | Underground continuous wall and construction method thereof and case assembly using the same |
| DE102006039141A1 (en) * | 2005-08-29 | 2007-04-19 | Wils, Andrea | Removing and transferring method for liquid media e.g. water, involves determining of optimal immersion depth and infiltration achievement for infiltration in aquifer |
| CN102535490A (en) * | 2012-03-06 | 2012-07-04 | 北京交通大学 | Method for dewatering foundation pit by using bored cast-in-place pile |
| CN102979105A (en) * | 2012-12-15 | 2013-03-20 | 天津大学 | Underground water control method of wellhole grouting and seepage insulation |
| CN104420476A (en) * | 2013-08-27 | 2015-03-18 | 中建四局第一建筑工程有限公司 | Method and device using home-made small tube well to lower underground water level |
| CN109881692A (en) * | 2019-03-22 | 2019-06-14 | 上海长凯岩土工程有限公司 | Pre-assembled dewatering well |
| CN211037023U (en) * | 2019-08-07 | 2020-07-17 | 中煤第三建设（集团）有限责任公司 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
-
2019
- 2019-08-07 CN CN201910727527.7A patent/CN110409474B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110427A (en) * | 1996-10-04 | 1998-04-28 | Ohbayashi Corp | Underground continuous wall and construction method thereof and case assembly using the same |
| DE102006039141A1 (en) * | 2005-08-29 | 2007-04-19 | Wils, Andrea | Removing and transferring method for liquid media e.g. water, involves determining of optimal immersion depth and infiltration achievement for infiltration in aquifer |
| CN102535490A (en) * | 2012-03-06 | 2012-07-04 | 北京交通大学 | Method for dewatering foundation pit by using bored cast-in-place pile |
| CN102979105A (en) * | 2012-12-15 | 2013-03-20 | 天津大学 | Underground water control method of wellhole grouting and seepage insulation |
| CN104420476A (en) * | 2013-08-27 | 2015-03-18 | 中建四局第一建筑工程有限公司 | Method and device using home-made small tube well to lower underground water level |
| CN109881692A (en) * | 2019-03-22 | 2019-06-14 | 上海长凯岩土工程有限公司 | Pre-assembled dewatering well |
| CN211037023U (en) * | 2019-08-07 | 2020-07-17 | 中煤第三建设（集团）有限责任公司 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350202A (en) * | 2020-04-03 | 2020-06-30 | 山东大学 | Novel assembly type anchoring structure capable of being used as dewatering well and support and construction method |
| WO2021196657A1 (en) * | 2020-04-03 | 2021-10-07 | 山东大学 | Novel fabricated anchorage structure serving as both dewatering well and support, and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110409474B (en) | 2024-03-26 |
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