CN205475195U - Bloated joint vacuum preloading ground processing apparatus of bandlet side - Google Patents
Bloated joint vacuum preloading ground processing apparatus of bandlet side Download PDFInfo
- Publication number
- CN205475195U CN205475195U CN201620152342.XU CN201620152342U CN205475195U CN 205475195 U CN205475195 U CN 205475195U CN 201620152342 U CN201620152342 U CN 201620152342U CN 205475195 U CN205475195 U CN 205475195U
- Authority
- CN
- China
- Prior art keywords
- bandlet
- bedding course
- sand bedding
- plastics
- injection pipe
- 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.)
- Expired - Fee Related
Links
- 238000012545 processing Methods 0.000 title abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 91
- 229920003023 plastic Polymers 0.000 claims abstract description 91
- 239000004576 sand Substances 0.000 claims abstract description 45
- 239000012528 membrane Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 33
- 239000004927 clay Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 39
- 230000008569 process Effects 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000007596 consolidation process Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000003203 everyday effect Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a bloated joint vacuum preloading ground processing apparatus of bandlet side sets up the sand bedding course in construction region top, sets up the seal membrane at the upper surface of sand bedding course, beats in construction region and establishes plastics drain bar and plastics bandlet, buries the chimney filter in the sand bedding course underground to link to each other plastics drain bar and chimney filter, a chimney filter and a membrane device link to each other, go out the membrane device and link to each other through first connecting pipe and jet pump, bury the gas injection pipe underground in the sand bedding course to continuous with the gas injection pipe with the plastics bandlet, the gas injection is managed with a membrane device continuously, and play membrane device passes through the second connecting pipe and air compressor links to each other, sets up the press mold ditch around construction region, sets up clay sealing wall in the below of press mold ditch, uses the clay compaction in the seal membrane four sides shop income press mold ditch. The construction at the beginning starts jet pump and air compressor, carries out the evacuation and to filling gas in the plastics bandlet to construction region to make the plastics bandlet produce the side and expand, produce the squeezing action to the periphery. The utility model discloses technical scheme is applied to soft soil foundation reinforcement, and the bandlet side expands and can produce the crack and accelerate the soil body and concrete, and the foundation bearing capacity of high pressure heater after solid is further carried to the additional load to the level of applying, can reach more than the 80kPa.
Description
Technical field
This utility model belongs to field of civil engineering method for processing foundation, the particularly swollen combined vacuum in bandlet side precompressed ground
Processing means and method.
Background technology
Vacuum preloading is a kind of wide variety of soft soil foundation reinforcing method, especially has in terms of processing deep weak clay
Unique advantage.Vacuum method is proposed by the W Kjellman of geological institute of imperial family of Sweden the earliest, introduction of authors five
Group site test results, and propose the theoretical explanation of vacuum preloading.Hereafter, vacuum preloading research work slower development.
China is in 20th century 50～the sixties, and commensurate has not carried out the work of exploration respectively, but in theoretical and engineering practice side
Face all there is no bigger breakthrough.Starting from 1980, Tianjin bay work (is handed over by Hang Ju scientific research institution of Ministry of Communications one in existing
Academy company limited) carry out large-area on-the-spot test, and combine with University Of Tianjin and carried out laboratory test and theory
Research.Tentatively understood fully the consolidation mechanism of vacuum preloading, and investigated suitable vacuum extractor (jet pump) and
Cover the critical processes such as diaphragm seal, and achieve national inventing patent.Hereafter in order to obtain higher foundation bearing capacity, hand over
Logical Bu Yihangju scientific research institution has invented vacuum combined stack-load method for processing foundation on the basis of vacuum method.Send out in recent years
Bright supercharged vacuum precompressed and air pressure splitting vacuum preloading are difficult to control to gases at high pressure extend influence vacuum etc. owing to existing
A difficult problem, consolidation effect fails to obtain bigger raising.
Substantial amounts of vacuum preloading engineering shows, vacuum preloading is a kind of efficient and rational soft-soil foundation treatment method, but exists
Two problems.First is restriction vacuum pre-press reinforcing groundwork characteristic load bearing capacity about about the 80kPa due to atmospheric pressure,
Can not improve further；Though vacuum combined stack-load method can improve foundation bearing capacity further, but it is obtained by heap material containing and fortune
Defeated restriction, costly, simultaneously for ensureing that the soil body does not destroys, needs controlled loading speed, affects work during preloading
Phase.Second is relatively slow for the less Clay Consolidation speed of infiltration coefficient, needs the longer pumpdown time, and the electricity charge etc. take
With higher, affect the duration.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that bandlet side is swollen combined vacuum precompressed basement process
Apparatus and method, are applied to reinforced soft soil ground, and bandlet side is swollen produces crack quickening soil solidifying, applies level to attached
Loading carries and improves the foundation bearing capacity after reinforcing further.
Technical purpose of the present utility model is achieved by following technical proposals:
Bandlet side is swollen combined vacuum precompressed basement process device, is provided above sand bedding course at construction area, in construction area
Set plastic draining board and plastics bandlet, in construction area, bury monitoring instrument underground；Chimney filter is buried underground in sand bedding course, and will
Plastic draining board is connected with chimney filter, and chimney filter is connected with membrane device；Membrane device is connected with jet pump by the first connecting tube,
Form the pumping channel from plastic draining board chimney filter membrane device the first connecting tube jet pump；Sand bedding course buries
If air injection pipe, and plastics bandlet is connected with air injection pipe, air injection pipe is connected with membrane device, and membrane device is by second even
Adapter is connected with air compressor, is formed from air compressor the-the second connecting tube-membrane device-air injection pipe-Flat plastic
The loading line of band；Upper surface at sand bedding course arranges diaphragm seal, and the surrounding at construction area arranges press mold ditch, at press mold
The lower section of ditch arranges wax wall, and diaphragm seal four limit spreads in press mold ditch and is compacted with clay.
In technique scheme, plastic draining board is arranged according to square；Plastics bandlet enters also according to square
Row is arranged, the spacing of plastics bandlet is 1-2 times of plastic draining board spacing, and plastics bandlet is positioned at four plastic draining boards
The foursquare center surrounded.
In technique scheme, described monitoring instrument is pore pressure gauge, delaminating deposition or level of ground water pipe
In technique scheme, chimney filter uses PVC (polrvinyl chloride) corrugated tubing, and caliber 63mm, ring stiffness is more than
6kN/m2, chimney filter is pressed the punching of 20mm spacing total length, and is twined outward 2～3 metafiltration cloth.
In technique scheme, membrane device is fixed by upper and lower two ring flanges, and is fixed on up and down by diaphragm seal
Between two ring flanges, tighten upper and lower two ring flanges by four screw rods air tight to ensure, select in upper and lower two methods
Arranging rubber blanket between blue dish, upper lower flange forms path, and lower flange is connected with four-way base, and four-way base is used for
It is connected with chimney filter or the air injection pipe of distribution in sand bedding course.
In technique scheme, air injection pipe selects plastic tube, and the most embedded steel wire is as the PVC (polrvinyl chloride) of skeleton
Flexible pipe, caliber 50mm.
In technique scheme, for convenience of connecting, four-way connection (preferably hard PVC pipe) is used to connect plastics bandlet
And air injection pipe, and iron wire is used to be fixed.
In technique scheme, press mold trench depth is 1.0～2.0m.
In technique scheme, the width of wax wall is not less than 1.2m, and entering the impermeable stratum degree of depth is 1.0-1.2m,
The clay content of mix back wall should be greater than 15%, and infiltration coefficient is not more than 1 × 10-5cm/s。
In technique scheme, in construction area, plastic draining board is consistent with the depth of burying of plastics bandlet.
In technique scheme, in sand bedding course, air injection pipe is positioned at the either above or below of chimney filter.
In technique scheme, in sand bedding course, residing for air injection pipe, the distance of horizontal level distance sand bedding course upper surface is
/ 4th of sand bedding course thickness arrive half.
In technique scheme, in sand bedding course, residing for chimney filter, the distance of horizontal level distance sand bedding course upper surface is sand
/ 3rd of cushion thickness arrive half.
In technique scheme, the first connecting tube is identical with the material of the second connecting tube, all can use embedded steel wire conduct
PVC (polrvinyl chloride) flexible pipe of skeleton.
Construction starts, and starts jet pump, utilizes plastic draining board chimney filter membrane device the first connecting tube jet pump
Pumping channel construction area is carried out evacuation；Start air compressor simultaneously, utilize air compressor second to connect
Loading line insufflation gas in plastics bandlet of pipe membrane device air injection pipe plastics bandlet, so that plastics bandlet produces
Raw side is swollen, and periphery is produced squeezing action.
During whole precompressed, jet pump unlatching rate is not less than 80%, and under-membrance vacuum degree requires to reach more than 85kPa, takes out
Water (evacuation) is carried out continuously 80 100 days, and every day is 24 hours；High-pressure gas pressure is 0.3～0.5MPa, uses
The mode that continuous or interval is inflated, carries out 80 100 days, and every day is 24 hours.
In whole construction period, utilize the monitoring instrument buried underground to carry out the monitoring of construction progress and quality, determine discharge time.
After unloading, disconnect the first connecting tube and membrane device and the second connecting tube and membrane device, remove diaphragm seal, membrane
Device, sand bedding course and wherein air injection pipe and chimney filter, be retained in plastics bandlet and plastic draining board in construction area, uses
Construction area is processed by vibroroller cmpacting, to eliminate the space after plastics bandlet expands.
This utility model uses plastics bandlet and plastic draining board to coordinate, and makes plastics bandlet side by injecting gases at high pressure
Swollen, apply lateral load to the soil body, carry out draining by plastic draining board.On the one hand, according to small hole expansion theory, mould
Material bandlet side is swollen can make the soil body produce the crack of horizontal radiation shape, increases horizontal osmotic coefficient and the coefficient of consolidation further,
Accelerate soil body horizontal to consolidation.The biggest crack can form a certain amount of horizontal row water surface, shortens between vertical drainage
Away from, accelerate the vertical consolidation of the soil body.On the other hand, plastics bandlet side is swollen adds level to additional load to the soil body, carries
Foundation bearing capacity after high reinforcing；Top layer can be made by vibroroller cmpacting to eliminate the space after plastics bandlet expands after unloading
Foundation bearing capacity is further enhanced.In a word, compared with prior art, this utility model on the one hand swollen generation in bandlet side
Soil body discharging consolidation is accelerated in crack；On the other hand applying level foundation bearing capacity after additional load improves reinforcing further.
This utility model can improve efficiency of construction, saves expense, reduction of erection time.
Accompanying drawing explanation
Fig. 1 is the distribution schematic diagram (top view) of plastics bandlet and plastic draining board in technical solutions of the utility model, wherein 2
For plastic draining board, 3 be plastics bandlet.
Fig. 2 is the schematic diagram of this utility model bandlet side swollen combined vacuum precompressed basement process device, and wherein 1 is sand bedding course, 2
For plastic draining board, 3 is plastics bandlet, and 4 is monitoring instrument, and 5 is chimney filter, and 6 is membrane device, and 7 is air injection pipe, 8
For four-way connection, 91 is the first connecting tube, and 92 is the second connecting tube, and 10 is air compressor, and 11 is press mold ditch,
12 is diaphragm seal, and 13 is wax wall, and 14 is jet pump.
Fig. 3 is plastics bandlet in this utility model processing means, air injection pipe and four-way connection connection diagram, and wherein 3 is plastics
Bandlet, 7 is air injection pipe, and 8 is four-way connection, and 15 is iron wire.
Fig. 4 is the structural representation of membrane device in this utility model processing means, and wherein 12 is diaphragm seal, and 16 is upper flange plate,
17 is four-way base, and 18 is bolt, and 19 is rubber blanket, and 20 is lower flange.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.
As a example by the region of 10,000 square metres of length and width 100m × 100m, smooth location, and sand bedding course is laid on earth's surface,
Using medium coarse sand to carry out sand bedding course setting, thickness can be 40～50cm, and infiltration coefficient is more than 1 × 10-2cm/s。
Plastic draining board and plastics bandlet is set: according to the interplanar spacing cloth of plastic draining board in the region of 10,000 square metres
Putting, use board-plugging device that plastic draining board sets projected depth, plastic draining board uses Type B plastic draining board, sets
During avoid plastic draining board wrench to pollute；Arrange according to the interplanar spacing of plastics bandlet, use board-plugging device by Flat plastic
Band sets projected depth, and plastics bandlet uses PE material high intensity Flexible water pipe (i.e. polyethylene Flexible water pipe), unswollen state
Width 150mm, the heat bonding of bottom elder generation or the thin wire colligation of plastics bandlet make it air tight, set.
When setting plastic draining board and plastics bandlet, select plastic draining board according to horizontal spacing 1m, longitudinal pitch 1m
Square is configured, so that the distribution unit of the plastic draining board of four plastic draining board formation 1m × 1m, at plastics
The centrally disposed plastics bandlet of draining board distribution unit, as shown in Figure 1.
In the region of 10,000 square metres, bury monitoring instrument underground, typically can use pore pressure gauge, delaminating deposition or ground
Lower water level pipe, to realize monitoring constantly.
In sand bedding course, bury chimney filter underground, and wrench and the chimney filter colligation of plastic draining board are connected, chimney filter and membrane device phase
Even；Membrane device is connected with jet pump by the first connecting tube, so, is formed to go out from plastic draining board chimney filter
The evacuation passageway of film device the first connecting tube jet pump.Chimney filter uses PVC (polrvinyl chloride) corrugated tubing, caliber
63mm, ring stiffness is more than 6kN/m2, chimney filter is pressed the punching of 20mm spacing total length, and is twined outward 2～3 metafiltration cloth.Membrane fills
Put employing existing structure, upper and lower two ring flanges be fixed, and diaphragm seal is fixed between upper and lower two ring flanges,
Tighten upper and lower two ring flanges by four screw rods air tight to ensure, select to arrange rubber between upper and lower two ring flanges
Pad, upper lower flange forms path, and lower flange is connected with four-way base, and four-way base is used for and distribution in sand bedding course
Chimney filter is connected.
Burying air injection pipe in sand bedding course underground, and be connected with air injection pipe by plastics bandlet, air injection pipe is connected with membrane device, goes out
Film device is connected with air compressor by the second connecting tube, so, is formed from air compressor the second connecting tube
The loading line of membrane device air injection pipe plastics bandlet；Membrane device selects existing structure, with formation evacuation passageway
Membrane device identical；Air injection pipe select plastic tube, the most embedded steel wire as PVC (polrvinyl chloride) flexible pipe of skeleton,
Caliber 50mm；For convenience of connecting, four-way connection (preferably hard PVC pipe) is used to connect plastics bandlet and air injection pipe,
And use iron wire to be fixed so that it is air tight.
Upper surface at sand bedding course arranges diaphragm seal, and diaphragm seal selects 2～3 layers of polyethylene or polyvinyl chloride films, or root
Need by factory's once hot pressing according to construction.
Surrounding at construction area (i.e. stabilization zone) arranges press mold ditch, and diaphragm seal four limit spreads in press mold ditch and re-uses clay
Backfill, press mold trench depth is 1.0～2.0m.Surrounding at construction area (i.e. stabilization zone) arranges wax wall, clay
Envelope wall width is not less than 1.2m, enters the impermeable stratum degree of depth about 1.0m, and the clay content of mix back wall should be greater than 15%,
Infiltration coefficient is not more than 1 × 10-5Cm/s, wax wall is arranged on the lower section of press mold ditch.
In above-mentioned setting, in stabilization zone, plastic draining board is consistent with the depth of burying of plastics braid.
In above-mentioned setting, in sand bedding course, air injection pipe is positioned at the either above or below of chimney filter.
In above-mentioned setting, in sand bedding course, residing for air injection pipe, the distance of horizontal level distance sand bedding course upper surface is sand pad
/ 4th of layer thickness arrive half.
In above-mentioned setting, in sand bedding course, residing for chimney filter, the distance of horizontal level distance sand bedding course upper surface is sand bedding course
/ 3rd of thickness arrive half.
In above-mentioned setting, the first connecting tube is identical with the material of the second connecting tube, can all select embedded steel wire as skeleton
PVC (polrvinyl chloride) flexible pipe.
During burying into said structure underground, after connecting loading line, start air compressor, check whole height
Body conveying system of calming the anger whether good seal, remedies air leak position in time；After passed examination, the second connecting tube is filled with membrane
Put and take apart, then carry out plastic film mulch installation.
When constructing, air compressor requires that maximum pressure at expulsion is not less than 0.5MPa.Jet pump power is not less than
7.5kW, and the vacuum pressure not less than 0.096MPa can be formed.
Construction starts, and starts jet pump, utilizes plastic draining board chimney filter membrane device the first connecting tube jet pump
Pumping channel construction area is carried out evacuation process, start air compressor simultaneously, utilize air compressor second
Loading line insufflation gas in plastics bandlet of connecting tube membrane device air injection pipe plastics bandlet, so that Flat plastic
It is swollen that band produces side, and periphery is produced squeezing action.
During whole precompressed, jet pump unlatching rate is not less than 80%, and under-membrance vacuum degree requires to reach more than 85kPa, takes out
Water (evacuation) can be carried out continuously 80 100 days, and every day is 24 hours；High-pressure gas pressure is 0.3～0.5MPa, adopts
By the continuous or mode of interval inflation, carrying out 80 100 days, every day is 24 hours.
In whole construction period, utilize the monitoring instrument buried underground to carry out the monitoring of construction progress and quality, determine discharge time.
After unloading, disconnect the first connecting tube and membrane device and the second connecting tube and membrane device, remove diaphragm seal, membrane
Device, sand bedding course and wherein air injection pipe and chimney filter, be retained in plastics bandlet and plastic draining board in construction area, uses
Construction area is processed by vibroroller cmpacting, to eliminate the space after plastics bandlet expands.
After construction terminates, fetch earth ground and test and carry out laboratory soil test, vane-shear strength is tested and existing
Field load test, is evaluated basement process consolidation effect, and result display consolidation effect meets construction requirement, and vacuum is pre-
Pressure reinforces groundwork characteristic load bearing capacity averagely up to more than 80kPa.
Above this utility model is done exemplary description, it should explanation, without departing from core of the present utility model
In the case of, any simple deformation, amendment or other those skilled in the art can not spend creative work etc.
Protection domain of the present utility model is each fallen within replacing.
Claims (10)
1. the swollen combined vacuum in bandlet side precompressed basement process device, it is characterised in that be provided above sand bedding course at construction area, sets plastic draining board and plastics bandlet in construction area, buries monitoring instrument in construction area underground；Burying chimney filter in sand bedding course underground, and be connected with chimney filter by plastic draining board, chimney filter is connected with membrane device；Membrane device is connected with jet pump by the first connecting tube, forms the pumping channel from plastic draining board chimney filter membrane device the first connecting tube jet pump；Air injection pipe is buried underground in sand bedding course, and plastics bandlet is connected with air injection pipe, air injection pipe is connected with membrane device, and membrane device is connected with air compressor by the second connecting tube, forms the loading line from air compressor the second connecting tube membrane device air injection pipe plastics bandlet；Upper surface at sand bedding course arranges diaphragm seal, and the surrounding at construction area arranges press mold ditch, arranges wax wall in the lower section of press mold ditch, and diaphragm seal four limit spreads in press mold ditch and is compacted with clay.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that plastic draining board is arranged according to square；Plastics bandlet is arranged also according to square, and the spacing of plastics bandlet is 12 times of plastic draining board spacing, and plastics bandlet is positioned at the foursquare center that four plastic draining boards surround.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that described monitoring instrument is pore pressure gauge or level of ground water pipe；Use four-way connection to connect plastics bandlet and air injection pipe, and use iron wire to be fixed.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterized in that, membrane device is fixed by upper and lower two ring flanges, and diaphragm seal is fixed between upper and lower two ring flanges, tightening upper and lower two ring flanges by four screw rods, arrange rubber blanket between upper and lower two ring flanges, upper lower flange forms path, lower flange is connected with four-way base, and four-way base is for being connected with chimney filter or the air injection pipe of distribution in sand bedding course.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that chimney filter uses polrvinyl chloride corrugated tubing, caliber 63mm；Air injection pipe selects embedded steel wire as the polyvinyl chloride hose of skeleton, caliber 50mm；First connecting tube and the second connecting tube all use embedded steel wire as the polyvinyl chloride hose of skeleton.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that press mold trench depth is 1.0～2.0m；The width of wax wall is not less than 1.2m, and entering the impermeable stratum degree of depth is 1.0 1.2m.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that in construction area, plastic draining board is consistent with the depth of burying of plastics bandlet.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that in sand bedding course, air injection pipe is positioned at the either above or below of chimney filter.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that in sand bedding course, residing for air injection pipe, distance is sand bedding course thickness 1/4th of horizontal level distance sand bedding course upper surface to half.
Bandlet side the most according to claim 1 swollen combined vacuum precompressed basement process device, it is characterised in that in sand bedding course, residing for chimney filter, distance is sand bedding course thickness 1/3rd of horizontal level distance sand bedding course upper surface to half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152342.XU CN205475195U (en) | 2016-02-29 | 2016-02-29 | Bloated joint vacuum preloading ground processing apparatus of bandlet side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152342.XU CN205475195U (en) | 2016-02-29 | 2016-02-29 | Bloated joint vacuum preloading ground processing apparatus of bandlet side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205475195U true CN205475195U (en) | 2016-08-17 |
Family
ID=56658703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152342.XU Expired - Fee Related CN205475195U (en) | 2016-02-29 | 2016-02-29 | Bloated joint vacuum preloading ground processing apparatus of bandlet side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205475195U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603963A (en) * | 2016-02-29 | 2016-05-25 | 中交天津港湾工程研究院有限公司 | Flat belt lateral swelling combined vacuum pre-pressing foundation processing device and method |
| CN106284277A (en) * | 2016-08-22 | 2017-01-04 | 南京新都地下工程研究院有限公司 | A kind of air sac pressing draining combined vacuum precompressed foundation reinforcement method |
| CN108221949A (en) * | 2018-02-02 | 2018-06-29 | 上海港湾基础建设（集团）股份有限公司 | Double glue mend film device and method to a kind of vacuum preloading under water |
| CN109680670A (en) * | 2018-12-19 | 2019-04-26 | 深圳亚纳海洋科技有限公司 | The soil body based on static sounding does not consolidate undrained strength calculation method and system |
| CN110984117A (en) * | 2019-11-25 | 2020-04-10 | 浙江大学 | Device and method for soft soil foundation treatment |
-
2016
- 2016-02-29 CN CN201620152342.XU patent/CN205475195U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603963A (en) * | 2016-02-29 | 2016-05-25 | 中交天津港湾工程研究院有限公司 | Flat belt lateral swelling combined vacuum pre-pressing foundation processing device and method |
| CN106284277A (en) * | 2016-08-22 | 2017-01-04 | 南京新都地下工程研究院有限公司 | A kind of air sac pressing draining combined vacuum precompressed foundation reinforcement method |
| CN108221949A (en) * | 2018-02-02 | 2018-06-29 | 上海港湾基础建设（集团）股份有限公司 | Double glue mend film device and method to a kind of vacuum preloading under water |
| CN108221949B (en) * | 2018-02-02 | 2023-12-19 | 上海港湾基础建设（集团）股份有限公司 | Vacuum pre-pressing underwater double-adhesive film supplementing device and method |
| CN109680670A (en) * | 2018-12-19 | 2019-04-26 | 深圳亚纳海洋科技有限公司 | The soil body based on static sounding does not consolidate undrained strength calculation method and system |
| CN109680670B (en) * | 2018-12-19 | 2020-09-25 | 深圳亚纳海洋科技有限公司 | Static sounding-based soil body unconsolidation and non-drainage strength calculation method and system |
| CN110984117A (en) * | 2019-11-25 | 2020-04-10 | 浙江大学 | Device and method for soft soil foundation treatment |
| US11085161B2 (en) | 2019-11-25 | 2021-08-10 | Zhejiang University | Device and method for treating soft soil foundations |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105603963A (en) | Flat belt lateral swelling combined vacuum pre-pressing foundation processing device and method | |
| CN205475195U (en) | Bloated joint vacuum preloading ground processing apparatus of bandlet side | |
| CN101985882B (en) | Construction method of rigid primary support of mould-building concrete of plateau permafrost tunnel | |
| CN104120710B (en) | A kind of highway on soft ground method of vacuum pre-pressed joint serous fluid of dredger fill | |
| CN103806437B (en) | Double-layer vacuum preloading and hydraulic reclamation soft foundation processing method | |
| CN103628468B (en) | A kind of water penetration pile combined vacuum prepressing ground foundation treatment method | |
| CN111305877B (en) | Construction method for strong rockburst section tunnel in high-altitude area | |
| CN102733371B (en) | Closed direct-sucking sectional vacuum preloading foundation treatment method | |
| CN106638556A (en) | Heat energy reinforced vacuum preloading soft foundation drainage structure and drainage method | |
| CN101225656A (en) | Super soft soil shallow surface rapid reinforcement method and complete set of technology | |
| CN111733792A (en) | A kind of foundation treatment method and treatment system of soft soil foundation vacuum precompression combined with dynamic consolidation drainage | |
| CN105239557B (en) | Device and method for accelerating consolidation of soft soil through combination of frost heaving and melting shrinking method and vacuum preloading | |
| CN104110025A (en) | Horizontal drainage consolidation method through blow filling of soft soil | |
| CN107806099A (en) | A kind of rigid pile composite foundation stake top filling system and its construction method | |
| CN205301298U (en) | Slip casting analogue test device | |
| CN109295969A (en) | Construction Technology of Duplex Pressurized Vacuum Preloading Soft Soil Foundation with Drainage Plates of Different Lengths | |
| CN110485405B (en) | Reinforcing system and reinforcing method for soft soil foundation | |
| CN105369797A (en) | Vacuum radiation solidification method for collapsible loess | |
| CN104762951B (en) | Secondary directly discharging type vacuum prepressing processes the construction method of new hydraulically filled sludge epeirogenetic | |
| CN110939121A (en) | Drainage consolidation construction method combining hot water pipe and plastic drainage plate | |
| CN104746506A (en) | Soft soil combined preloading structure and construction method | |
| CN107604897A (en) | The reinforcement means that the vacuum preloading of soft soil foundation, air pressure splitting and grouting are combined | |
| CN219101374U (en) | A mine liquid nitrogen rapid freezing water sealing rescue device | |
| CN110700273A (en) | A kind of in-situ protection method for side-by-side masonry pipe trenches across foundation pits | |
| CN201317936Y (en) | Drainage structure for vacuum preloading ground treatment in sand drain method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200229 |