CN108867618A - Drainage plate and method under piling prepressing with air bag - Google Patents
Drainage plate and method under piling prepressing with air bag Download PDFInfo
- Publication number
- CN108867618A CN108867618A CN201810613723.7A CN201810613723A CN108867618A CN 108867618 A CN108867618 A CN 108867618A CN 201810613723 A CN201810613723 A CN 201810613723A CN 108867618 A CN108867618 A CN 108867618A
- Authority
- CN
- China
- Prior art keywords
- pressure bladder
- soft soil
- air bag
- soil foundation
- drain bar
- 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
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 83
- 229920003023 plastic Polymers 0.000 claims abstract description 34
- 239000004033 plastic Substances 0.000 claims abstract description 34
- 238000005273 aeration Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000004570 mortar (masonry) Substances 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 238000007596 consolidation process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000011083 cement mortar Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 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
- E02D3/02—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)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses the drainage plates and method under a kind of piling prepressing with air bag.The device includes several pieces of expansion drain bars, and expansion drain bar interval in a row-shaped is piled in soft soil foundation to be processed, and soft soil foundation ground surface heap is loaded with precompressed soil；The pressure bladder two sides of expansion drain bar respectively pass through one piece of plastic draining board and are clamped；Pressure bladder is equipped with the aeration aperture for inflation；And the plastic draining board of pressure bladder two sides is laterally not fixed, the freedom degree with laterally outward displacement in pressure bladder expansion.In Soft Ground, air bag is inflated, expands outwardly plastic draining board, lateral compression is generated to the periphery soil body, achievees the effect that load consolidation, accelerates soil body draining, after draining, mortar is injected in air bag, forms high-strength compound body ground.The present apparatus and method equipment are simple, cost is relatively low, and inflation loading effect depth is larger, and after can produce high-strength compound body ground.
Description
Technical field
The invention belongs to Soft Ground fields, and in particular under a kind of piling prepressing the drainage plate with air bag and
Method.
Background technique
Preloading is often used in Soft Ground, especially coastal, hydraulic reclamation is regional, and is using piling prepressing
When method carries out basement process, plastic draining board is often used as drainage channel again.
In piling prepressing, the preloading of soil body top generates additional stress to the soil body, generates Super-void Water Pressure in the soil body of lower part,
Pore water in the soil body enters in plastic draining board, then earth's surface is discharged via the drainage channel in drain bar.Ground was draining
It is consolidated in journey, soil strength gradually increases, and achievees the effect that ground is strengthened.
But the draining of very widely used today preloading the main problems are as follows：
1. in general, load needed for piling prepressing is larger, and often the area of basement process is also very big, therefore preloading
Very big project amount is needed with the process of unloading.
2., due to the presence of stress diffusion angle, top preloading is affected to the upper layer soil body according to principles of soil mechanics, generate
Additional stress it is larger, Super-void Water Pressure is larger, and draining is very fast；But for deep soil, the additional stress of generation is smaller, surpasses
Pore water pressure is also smaller, drains slower.This method is ineffective to the stabilization by drainage of deep soil.
3. Reinforcing Soft-soil Foundation by Preloading Method of Accumulating Load generally require expend long time, for engineering construction efficiency very not
Therefore benefit accelerates this drainage procedure particularly important.
Summary of the invention
It is an object of the invention to be directed to the deficiency of Reinforcing Soft-soil Foundation by Preloading Method of Accumulating Load, propose under a kind of piling prepressing
Drainage plate with air bag.
The technical solution adopted by the present invention to solve the technical problems is：
Drainage plate with air bag under a kind of piling prepressing comprising several pieces of expansion drain bars, expansion drain bar are in
Row pattern interval is piled in soft soil foundation to be processed, and the soft soil foundation earth's surface clamped between two pieces of adjacent expansion drain bars
Face heap is loaded with precompressed soil；The expansion drain bar is made of plastic draining board and pressure bladder, and the two sides of pressure bladder are each logical
It crosses one piece of plastic draining board to be clamped, forms sandwich structure；Pressure bladder is equipped with the aeration aperture for inflation；And it seals
The plastic draining board of air bag two sides is laterally not fixed, the freedom degree with laterally outward displacement in pressure bladder expansion.
The working principle of the device is：In unaerated, two sides plastic draining board is closer, and pressure bladder is in pressure
Contracting state；When inflation, pressure bladder volume increases, and two sides plastic draining board is pushed away, and then the weak soil on the outside of extrusion drainage plate
Ground achievees the effect that load consolidation, accelerates the Interstitial Water soil body is discharged by the vertical drainage channel of drain bar；Draining terminates
Afterwards, mortar is injected in pressure bladder, forms high-strength compound body ground.
Preferably, the top of the expansion drain bar is concordant with the ground surface of soft soil foundation, in order to applying for earth's surface
Work operation.
Preferably, the expansion drain bar is in the depth of burying and soft soil foundation depth phase to be processed below ground
Together, enable drain bar to the uniformly applied additional stress of soil layer of entire depth to be processed.
Preferably, the aeration aperture have it is multiple, in order to inflate and control pressure.
Preferably, the aeration aperture is set to the top of pressure bladder, in order to the connection and disassembly of gas tube.
Preferably, the aeration aperture is connected to air charging system by tracheae.
Preferably, the plastic draining board is fixed by bonding with the side wall of pressure bladder, manufacturing process
Simply.
Preferably, the expansion drain bar is vertically squeezed into soft soil foundation, same row expands the plate face of drain bar
Parallel and block-by-block face be efficiently treated the soil layer in row's water swelling draining span of slab can.
Another object of the present invention is to provide a kind of soft soil foundation piling prepressing water discharge method using above-mentioned apparatus,
Steps are as follows：
1) the expansion drain bar block-by-block is squeezed into soft soil foundation to be processed, and expands in a row-shaped point of drain bar
Cloth, the pending soft soil foundation region of covering institute；
2) piling prepressing soil above the soft soil foundation ground surface clamped between adjacent two pieces of expansions drain bars, using pre-
The load of firming generates additional stress to the soft soil foundation soil body；
3) by the gas outlet of air charging system by the aeration aperture on pipeline communication seals air bag, then to each pressure bladder into
Row inflation, expands each pressure bladder and respectively reaches scheduled air pressure, and plastic draining board is pushed in the expansive force of pressure bladder
Under, laterally outward displacement, adjacent two pieces of expansion drain bars apply stress to the soft soil foundation clamped between the two, realize the row of extruding
Water；
4) ground is discharged by plastic draining board in the water generated during piling prepressing in soft soil foundation；
5) after completing soft soil foundation draining, stop inflating and open pressure bladder, cement mortar is filled into pressure bladder,
Form high-strength composite ground.
Preferably, constantly regulate pressure bladder according to ground processing requirement and draining progress during piling prepressing
In air pressure size, make soft soil foundation continue to drain.
The beneficial effects of the invention are as follows：
One, two plastic draining board Intermediate Gray pressure bladders push plastic draining board to squeeze soil at both sides when inflation, are formed
Load and generate additional stress, it is equally useful to deep soil since air pressure is uniform, be not present unbalanced stress the problem of；
Two, since the load of pressure bladder is applied with lateral additional stress to the soil body, it is possible to reduce the heap at the top of the soil body
It carries, reduces project amount；
Three, pressure bladder greatly reduces the time of draining to the load of the soil body and the presence of two sides plastic draining board,
Reduce the duration；
Four, after draining, mortar can be injected to pressure bladder region, high-strength compound body ground is formed, without taking out
Pressure bladder.
Detailed description of the invention
Fig. 1 is device side view in ground in the present invention；
Device top view when Fig. 2 is air bag unaerated in the present invention；
Fig. 3 is device top view when air bag is inflated in the present invention；
Fig. 4 is the device top view after draining in the present invention after balloon positions injection mortar；
In figure：Plastic draining board 1, pressure bladder 2, aeration aperture 3, cement mortar 4, pre- firming 5.
Specific embodiment
The present invention is further elaborated and is illustrated with reference to the accompanying drawings and examples.Each embodiment in the present invention
Technical characteristic can carry out the corresponding combination under the premise of not conflicting with each other.
As shown in Figure 1, with the drainage plate of air bag under one of the present embodiment piling prepressing, several pieces in the device
Expand drain bar.Drain bar is in a row-shaped is piled in soft soil foundation to be processed for expansion.Every row expands in drain bar, and adjacent two pieces
Expand spaced apart, plate face just face between drain bar, the soil body between two pieces of water swelling drain bars be exactly this two
The zone of action of block plate.All expansion drain bars are vertically squeezed into ground, and same row expands drain bar and is parallel to each other, and plate
The vertical that face (i.e. 1 place plane of plastic draining board) block-by-block face, i.e. its plate face central point are located at same vertical plate face as far as possible
On line, so that the soil layer between the plate-laying body can obtain effective prepressing water discharge.Between two pieces of adjacent expansion drain bars
The soft soil foundation ground surface heap of clamping is loaded with precompressed soil 5.The load of pre- firming 5 can apply the soil body between two boards additional
Stress.For above-mentioned expansion drain bar when squeezing into, top is concordant with the ground surface of soft soil foundation as far as possible, in favor of subsequent work
The constructing operation of sequence.It is identical as soft soil foundation depth to be processed in the depth of burying below ground to expand drain bar, so as to right
All soft soil foundations carry out extrusion drainage.The width of expansion drain bar can be adjusted according to soft soil foundation region to be processed
It is whole, when processing region width is little, the width for expanding drain bar can be made to be greater than processing region width；And work as treatment region field width
When spending larger, Combined Treatment, multiple rows of expansion drain bar phase interconnection can be carried out by the way that multiple rows of expansion drain bar arranged side by side is arranged
It connects to cover entire treatment region field width.
Expansion drain bar in the present embodiment is a kind of plate body for capableing of lateral expansion in inflation, specific structure such as Fig. 2
It is shown, it is made of plastic draining board 1 and pressure bladder 2.Conventional Soft Ground draining can be used on plastic draining board 1
Plate is quilted plastic panel among it, is the skeleton and drainage channel of drain bar, and filtering layer is made with non-woven geotextile package in two sides,
Water can be discharged to ground upwards.Board width is drained to be determined according to production specification.The two sides of pressure bladder 2 respectively pass through one block of plastics
Drain bar 1 is clamped, and sandwich structure is formed.The top of pressure bladder 2 is equipped with the aeration aperture 3 for inflation, and aeration aperture 3 is logical
Cross tracheae connection air charging system.Air bag can be made to expand by inflating into air bag after plate body squeezes into soft soil foundation.Certainly, it is
Guarantee expansion drain bar can lateral expansion, the plastic draining board 1 of 2 two sides of pressure bladder is only bonded in 2 side wall of pressure bladder
On, but horizontally not by the fixed limit of the connector of rigidity between two pieces of plastic draining boards 1, and pressure bladder 2 is in cross
Also there is certain retractility to direction itself, enable and push plastic draining board 1 laterally outward when pressure bladder 2 expands
Expansion, transverse width becomes larger after expansion, as shown in Figure 3.When the equal lateral magnification of two pieces of expansion drain bars, clamp between the two
Soft soil foundation is subject to lateral additional stress, so that internal soil gap water is fast extruded, passes through plastic draining board 1
Ground is discharged.
Air pressure needs in pressure bladder 2 are adjusted according to ground processing requirement and drainage situation, therefore pressure bladder 2
The aeration aperture 3 at top be preferably formed with it is multiple, partial inflation hole 3 connect gas tube be inflated, other, which can be used for deflating, adjusts air pressure.
After piling prepressing, remaining soil body can achieve corresponding foundation strength requirement, but the intensity of 2 position of pressure bladder is not
Foot, therefore cement mortar can be injected into pressure bladder 2 after precompressed, it can be made to meet intensity after its consolidation and wanted
It asks.Thus, it is possible to directly carry out smooth rear progress subsequent construction process to ground without taking out plate body.Certainly, according to construction work
Pressure bladder or entire expansion drain bar can also be taken out, then carry out backfill reinforcing again by the difference of sequence.
Soft soil foundation piling prepressing water discharge method based on above-mentioned apparatus, construction procedure are as follows：
1) above-mentioned expansion drain bar is squeezed into soft soil foundation to be processed by construction equipment block-by-block, and expands row
The distribution in a row-shaped of water plate covers the pending soft soil foundation region of institute in plane and depth direction, i.e., squeezes into from depth
To the target depth that need to be handled, all pending area width are covered in plane width, two pieces of suctions of most end on plane length
Water expansion drain bar is located at the length direction of pending district end to end except position.
2) above the soft soil foundation ground surface clamped between two pieces of adjacent expansion drain bars, piling prepressing soil 5 is utilized
The load of pre- firming 5 generates additional stress to the soft soil foundation soil body；
3) by the gas outlet of air charging system by the aeration aperture 3 on pipeline communication seals air bag 2, then to each pressure bladder
2 are inflated, and expand each pressure bladder 2 and respectively reach scheduled air pressure.Air pressure in different sealing air bag 2 is generally kept
Unanimously, a certain range of adjustment can also be carried out under special circumstances certainly.Plastic draining board 1 is pushed in the expansion of pressure bladder 2
Under dynamic, laterally outward displacement, adjacent two pieces of expansion drain bars apply stress to the soft soil foundation clamped between the two, realize and squeeze
Draining；
4) ground is discharged by plastic draining board 1 in the water generated during piling prepressing in soft soil foundation；
5) after completing soft soil foundation draining, stop inflating and open pressure bladder 2, quickly fill water into pressure bladder 2
Cement mortar 4, pressure bladder 2 is as shown in Figure 4 at this time.After mortar consolidation, that is, form high-strength composite ground.Cement mortar 4
Proportion can be adjusted according to the intensity needed for ground.
In addition, during above-mentioned piling prepressing blanket gas need to be constantly regulate according to ground processing requirement and draining progress
Air pressure size in capsule 2, makes soft soil foundation continue to drain.Preferably, as time goes by, the air pressure in pressure bladder 2 should be by
It is gradually promoted, forms the compressive pre-stress being stepped up.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention, all
The mode of equivalent substitution or equivalent transformation technical solution obtained is taken, is fallen within the scope of protection of the present invention.
Claims (10)
1. with the drainage plate of air bag under a kind of piling prepressing, which is characterized in that including several pieces of expansion drain bars, expansion row
Water plate interval in a row-shaped is piled in soft soil foundation to be processed, and the weak soil clamped between two pieces of adjacent expansion drain bars
It is native (5) that base surface heap is loaded with precompressed；The expansion drain bar is made of plastic draining board (1) and pressure bladder (2), sealing
The two sides of air bag (2) respectively pass through one piece of plastic draining board (1) and are clamped, and form sandwich structure；Pressure bladder (2) is equipped with
Aeration aperture (3) for inflation；And the plastic draining board (1) of pressure bladder (2) two sides is laterally not fixed, in pressure bladder (2)
With the freedom degree of laterally outward displacement when expansion.
2. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the expansion drain bar
Top it is concordant with the ground surface of soft soil foundation.
3. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the expansion drain bar
It is identical as soft soil foundation depth to be processed in the depth of burying below ground.
4. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the aeration aperture (3)
Have multiple.
5. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the aeration aperture (3)
It is set to the top of pressure bladder (2).
6. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the aeration aperture (3)
Air charging system is connected to by tracheae.
7. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the plastic draining board
(1) by being fixed with the side wall of pressure bladder (2) bonding.
8. the drain bar piling prepressing device with air bag as described in claim 1, which is characterized in that the expansion drain bar
It vertically squeezes into soft soil foundation, same row expands the plate face of drain bar in parallel and block-by-block face.
9. a kind of soft soil foundation piling prepressing water discharge method using device as described in claim 1, which is characterized in that step is such as
Under：
1) the expansion drain bar block-by-block is squeezed into soft soil foundation to be processed, and expands drain bar distribution in a row-shaped, covered
The pending soft soil foundation region of lid institute；
2) piling prepressing is native (5) above the soft soil foundation ground surface clamped between adjacent two pieces of expansions drain bars, using pre-
The load of firming (5) generates additional stress to the soft soil foundation soil body；
3) by the gas outlet of air charging system by the aeration aperture (3) on pipeline communication seals air bag (2), then to each pressure bladder
(2) it is inflated, expands each pressure bladder (2) and respectively reaches scheduled air pressure, plastic draining board (1) is in pressure bladder
(2) under expansive force pushes, laterally outward displacement, adjacent two pieces of expansion drain bars apply the soft soil foundation clamped between the two
Stress realizes extrusion drainage；
4) ground is discharged by plastic draining board (1) in the water generated during piling prepressing in soft soil foundation；
5) after completing soft soil foundation draining, stop inflating and opening pressure bladder (2), fill cement bonded sand into pressure bladder (2)
It starches (4), forms high-strength composite ground.
10. soft soil foundation piling prepressing method as claimed in claim 9, which is characterized in that during piling prepressing, according to
Basement process requires and draining progress constantly regulate the air pressure size in pressure bladder (2), and soft soil foundation is made to continue to drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613723.7A CN108867618A (en) | 2018-06-14 | 2018-06-14 | Drainage plate and method under piling prepressing with air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613723.7A CN108867618A (en) | 2018-06-14 | 2018-06-14 | Drainage plate and method under piling prepressing with air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867618A true CN108867618A (en) | 2018-11-23 |
Family
ID=64338307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810613723.7A Pending CN108867618A (en) | 2018-06-14 | 2018-06-14 | Drainage plate and method under piling prepressing with air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867618A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680675A (en) * | 2019-01-25 | 2019-04-26 | 天津大学 | A kind of Stabilizing Grout method that can dynamically control grouting amount and harden opportunity |
| CN110158632A (en) * | 2019-05-28 | 2019-08-23 | 武汉中力岩土工程有限公司 | The foundation structure and its method of soft soil foundation anti-settling |
| CN110886285A (en) * | 2019-11-14 | 2020-03-17 | 安徽三建工程有限公司 | Soft foundation treatment method |
| CN112523197A (en) * | 2020-12-10 | 2021-03-19 | 中交（广州）建设有限公司 | Soft foundation lateral loading structure and loading method |
| CN113235562A (en) * | 2021-05-28 | 2021-08-10 | 中交投资咨询(北京)有限公司 | Soft foundation treatment drainage plate |
| CN113897944A (en) * | 2021-10-21 | 2022-01-07 | 海峡(福建)交通工程设计有限公司 | Soft soil foundation reinforcing apparatus based on intelligence initiative drainage |
| CN115217161A (en) * | 2022-07-29 | 2022-10-21 | 山东高速集团有限公司 | Flexible vibration isolation construction device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006002392A (en) * | 2004-06-16 | 2006-01-05 | Maruyama Kogyo Kk | Construction method for improving soft ground |
| CN101033609A (en) * | 2007-03-27 | 2007-09-12 | 天津大学 | Method of reinforcing soft soil foundation by gas extrusion drainage and used gasbag |
| JP2012219487A (en) * | 2011-04-07 | 2012-11-12 | Maruyama Kogyo Kk | Settlement measuring apparatus, method of construction for improving weak foundation using the same, method of grasping dynamic state of foundation to prepare banking structure thereon and method of grasping dynamic state of foundation to bury underground installation therein |
| CN206581248U (en) * | 2017-02-21 | 2017-10-24 | 浙江绿建建筑设计有限公司 | soft soil foundation drainage system |
| CN208578026U (en) * | 2018-06-14 | 2019-03-05 | 浙江大学 | Drainage plate with air bag under a kind of piling prepressing |
-
2018
- 2018-06-14 CN CN201810613723.7A patent/CN108867618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006002392A (en) * | 2004-06-16 | 2006-01-05 | Maruyama Kogyo Kk | Construction method for improving soft ground |
| CN101033609A (en) * | 2007-03-27 | 2007-09-12 | 天津大学 | Method of reinforcing soft soil foundation by gas extrusion drainage and used gasbag |
| JP2012219487A (en) * | 2011-04-07 | 2012-11-12 | Maruyama Kogyo Kk | Settlement measuring apparatus, method of construction for improving weak foundation using the same, method of grasping dynamic state of foundation to prepare banking structure thereon and method of grasping dynamic state of foundation to bury underground installation therein |
| CN206581248U (en) * | 2017-02-21 | 2017-10-24 | 浙江绿建建筑设计有限公司 | soft soil foundation drainage system |
| CN208578026U (en) * | 2018-06-14 | 2019-03-05 | 浙江大学 | Drainage plate with air bag under a kind of piling prepressing |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680675A (en) * | 2019-01-25 | 2019-04-26 | 天津大学 | A kind of Stabilizing Grout method that can dynamically control grouting amount and harden opportunity |
| CN110158632A (en) * | 2019-05-28 | 2019-08-23 | 武汉中力岩土工程有限公司 | The foundation structure and its method of soft soil foundation anti-settling |
| CN110158632B (en) * | 2019-05-28 | 2021-01-26 | 武汉中力岩土工程有限公司 | Anti-settling foundation structure of soft soil foundation and method thereof |
| CN110886285A (en) * | 2019-11-14 | 2020-03-17 | 安徽三建工程有限公司 | Soft foundation treatment method |
| CN112523197A (en) * | 2020-12-10 | 2021-03-19 | 中交（广州）建设有限公司 | Soft foundation lateral loading structure and loading method |
| CN113235562A (en) * | 2021-05-28 | 2021-08-10 | 中交投资咨询(北京)有限公司 | Soft foundation treatment drainage plate |
| CN113235562B (en) * | 2021-05-28 | 2022-06-10 | 中交投资咨询(北京)有限公司 | Soft foundation treatment drainage plate |
| CN113897944A (en) * | 2021-10-21 | 2022-01-07 | 海峡(福建)交通工程设计有限公司 | Soft soil foundation reinforcing apparatus based on intelligence initiative drainage |
| CN113897944B (en) * | 2021-10-21 | 2022-05-06 | 海峡(福建)交通工程设计有限公司 | Soft soil foundation reinforcing apparatus based on intelligence initiative drainage |
| CN115217161A (en) * | 2022-07-29 | 2022-10-21 | 山东高速集团有限公司 | Flexible vibration isolation construction device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108867618A (en) | Drainage plate and method under piling prepressing with air bag | |
| CN105603963A (en) | Flat belt lateral swelling combined vacuum pre-pressing foundation processing device and method | |
| CN105239555B (en) | Method for treating soft soil foundation through combination of bagged grouting gravel pile and vacuum preloading | |
| CN103628468B (en) | A kind of water penetration pile combined vacuum prepressing ground foundation treatment method | |
| CN108867619A (en) | Drainage plate and method with water uptake expansion material under piling prepressing | |
| CN208578026U (en) | Drainage plate with air bag under a kind of piling prepressing | |
| CN205475195U (en) | Bloated joint vacuum preloading ground processing apparatus of bandlet side | |
| CN103205952A (en) | Method for filling dam by combining sludge-filled bags and vacuum preloading | |
| CN108005058B (en) | Soft soil foundation extrusion and vibration consolidation method | |
| CN103074883A (en) | Active type preloading combined foundation reinforcing method | |
| CN106677158B (en) | A kind of blowing-filling sludge superficial layer Quick uniform processing method and structure recently | |
| CN1055978C (en) | Low-vacuum prepressurizing process for reinforcing and raising soft soil foundation | |
| CN101858085A (en) | Foundation pit support method of soft soil foundation | |
| CN111794258B (en) | Foundation pit dewatering system | |
| CN109505211A (en) | Reinforcement of Soft Soil Subgrade method | |
| CN111962492A (en) | Soft soil foundation treatment device and method | |
| CN109295969A (en) | The construction technology of different length drain bar series turbocharging vacuum pre-pressed soft soil foundation | |
| CN110485405B (en) | Reinforcing system and reinforcing method for soft soil foundation | |
| CN208578027U (en) | Drainage plate with water uptake expansion material under a kind of piling prepressing | |
| CN100422447C (en) | Technique for quickly reinforcing soft soil foundation | |
| CN108104103B (en) | A kind of gasbag-type displacement hull and its construction method | |
| CN206512698U (en) | A kind of layer of blowing-filling sludge superficial recently Quick uniform processing structure | |
| CN211690288U (en) | Joint drainage device based on soft soil foundation | |
| CN205669197U (en) | A kind of foundation-reinforcing device | |
| CN101144273B (en) | Geotechnics plastic draining plate with top box used for vacuum prepressing |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |