CN104790377B - The quick-discharging consolidation device and method of high sticky content river and lake dredging bed mud - Google Patents
The quick-discharging consolidation device and method of high sticky content river and lake dredging bed mud Download PDFInfo
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Abstract
The present invention relates to the quick-discharging consolidation device and method of a kind of river and lake dredging bed mud, the quick-discharging consolidation device and method of a kind of high sticky content river and lake dredging bed mud, belong to water conservancy, waterway engineering technical field.The inventive system comprises surface and be provided with the double-decker mud filling tube bag filling mud mouth, at least two pieces of draining boards in parallel of described mud filling tube bag positioned inside, the two ends of described draining board are equipped with union joint, the described union joint often held is in parallel through pipeline, and one end of described pipeline is closed, the other end stretches out mud filling tube bag and is connected with vacuum equipment.Its advantage is: tradition mud filling tube bag technology and vacuum concretion technology are carried out optimization fusion innovatively, break through the limitation of monotechnics, solve high sticky content river and lake dredging bed mud discharging consolidation problem slowly, shorten the construction period, improve efficiency of construction, strengthen consolidation draining effect, promote Tail water reuse level, economic and environmental benefit is notable, and market application foreground is wide.
Description
Technical field
The present invention relates to the quick-discharging consolidation device and method of a kind of river and lake dredging bed mud, especially
It is the quick-discharging consolidation device and method of a kind of high sticky content river and lake dredging bed mud, belongs to water
Profit, waterway engineering technical field.
Background technology
China's water bodies of rivers and lakes is seriously polluted, needs every year to carry out large-scale riverbed sludge desilting,
The substantial amounts of river and lake dredging bed mud of inevitable generation needs to process.According to " Taihu Lake basin water environment
Comprehensive control overall plan " (2008), only East Taihu Lake Introduction of The Comprehensive Regulating Works need dredge the end
Mud is up to 18,000,000 m3, the additionally river course of the network of waterways, TAI HU AREA, Jiangsu Province desilting up to 1000
Bar, 3574 kilometers, desilting total amount reaches 60,000,000 m3.As can be seen here, produce in following China
Raw river and lake dredging bed mud is the most considerable, in the urgent need to effective sludge handling technology as propping up
Support, provides technical guarantee for lake, China river eco-river control, thus dredging riverbed sludge is disposed and had
Wide application prospect.Mud filling tube bag water discharge technology is grown up abroad the seventies
Planting dredged mud treatment technology, the nineties is gradually applied in China's dredging work, this technology
Feature is, by Dredged bed mud slush to have drainage do not filter soil function geotextile tube bag in,
There is draining in Dredged bed mud under the effect of self gravitation, water oozes out pipe by anti-filter geotextiles
Bag, Dredged bed mud is stayed in pipe bag, continues filling dredging after pipe bag height reduction again in pipe bag
Bed mud, then stand allow its conduct oneself with dignity draining, the most repeated multiple times filling, until packed height reaches
Design load.Mud filling tube bag technology is owing to having easy construction, can make full use of the local dredging end
Mud as engineering material, save the advantage such as engineering cost, this technology is both domestic and external reclaims fields from the sea,
Existing relatively broad application in embankment engineering and deep water port Deepwater Channel Regulation Project.But this skill
The application of art has the limitation that it is certain, can only process the Dredged bed mud that sand content is bigger at present,
High, the Dredged bed mud of poor permeability for sticky content, glutinous grain particle diameter (less than 0.002mm)
Be far smaller than tradition mud filling tube bag effective aperture, tradition mud filling tube bag soil conservation poor performance, thin
Grain runs off serious, and the tail water of discharge is difficult to reach project treatment and requires and environmental emission requirement；With
Time, sticky content is high, poor permeability causes and uses tradition mud filling tube bag to process consolidating of Dredged bed mud
Speed is slow, treatment effeciency is low for knot, poor processing effect etc..Therefore, permeability high for sticky content
The Dredged bed mud of difference, tradition mud filling tube bag water discharge technology is the most applicable.
Through the retrieval of existing technical literature is found, in order to utilize dredging silt to fill dykes and dams, in
" it is pre-that filling mud bag combines vacuum to hand over the limited department that confiscates of Shanghai Waterway Survey and Design Inst to propose
The method that pressure fills dykes and dams " (application number: 201210008852.6), the method is by earth's surface
And between pipe bag, drainage blanket is set, after pipe bag completes mud filling, pipe bag covers and seals
Film, recycling vacuum is drawn water accelerating tube bag silt consolidation.It is noted that earth's surface or pipe bag it
Between drainage blanket recycling vacuum be set draw water, not changing affects pipe bag mud drainage rates
Key condition shortens drainage distance (to be managed according to the most husky base of soil mechanics, the draining speed of the soil body
Square being inversely proportional to of rate and drainage distance, even drainage distance shortens half, and drainage rates is permissible
Improve 4 times), the moisture in mud need nonetheless remain for discharging to pipe bag surface inside pipe bag, pipe
In bag, mud maximum drainage distance remains as pipe radius length.This method is substantially at pipe bag certainly
On the basis of heavy load, add again the effect of vacuum load in identical load action direction, pass through
The superposition that load is significantly increased realizes Quick drainage, but there are some researches show, for glutinous
Grain content is high, the dredged mud of poor permeability, and excessive load action often brings silting problem
(perigene etc. ventilating vacuum quick mud-water separation technology Eccentric Loads in Layered Soils and Research [J], vacuum section
Learn and Technology, 2010,30 (2): 215-220；Deng Dongsheng etc. low concentration dredging silt is breathed freely
Vacuum mud-water separation model investigation [J]. Geotechnical Engineering journal, 2009,31 (2):
250-253；), therefore, the method can run into by certain limitation when reality is applied
Fine particle content is high, the dredged mud of poor permeability time, easily cause not reaching pre-because of silting problem
The consolidation effect of phase.
Summary of the invention
It is an object of the invention to the defect existed for prior art, by tradition mud filling tube bag technology
Carry out optimization fusion innovatively with vacuum concretion technology, change the discharge structure of conventional tube bag,
Significantly shorten the drainage distance of pipe bag mud, propose the quick of high sticky content river and lake dredging bed mud
Draining consolidating apparatus and method, solve high sticky content river and lake dredging bed mud discharging consolidation slowly
Problem, shortens the construction period, improves efficiency of construction, strengthens consolidation draining effect, promotes tail water
Emission level.
The present invention solves technical problem by the following technical programs: at the bottom of high sticky content river and lake dredging
The quick-discharging consolidation device of mud, including mud filling tube bag, described mud filling tube bag is double-decker,
Its surface is provided with fills Ni Kou, its positioned inside at least two draining board, and described draining board surface is wrapped
Cover filter membrane, effective aperture O95≤0.01mm, the infiltration coefficient >=0.001cm/s of described filter membrane,
The two ends of described draining board are equipped with union joint, and the described union joint often held is in parallel through pipeline, institute
State one end closing of pipeline, the other end stretches out mud filling tube bag and is connected with vacuum equipment.By using
It is main filter cloth structure that the mud filling tube bag of multilamellar substitutes traditional monolayer, thin to reduce Dredged bed mud
The loss of granule, promotes Tail water reuse level, improves the water filtering performance of pipe bag simultaneously；By
Inside pipe bag, draining board is set, pipe bag in the drainage distance of mud can be greatly reduced, i.e. manage
In bag, mud can pass through pipe bag surface drainage, it is also possible to by the draining board draining in pipe bag,
In pipe bag, mud maximum drainage distance shortens half, and drainage rates can improve 4 in theory
Times；Vacuum drainage direction and pipe bag surface drainage are in opposite direction simultaneously, will not produce load superposition
Effect, causes the generation of silting.Utilize the common drainage of low-pressure drainage system and pipe bag,
The consolidation draining of the soil body in accelerating tube bag, shortens the construction period, improves efficiency of construction, and strengthening is solid
Knot drainage effect.
Wherein, described double-decker be outer layer be high-strength braided cloth, internal layer is chopped fiber needle-punched geotechnique
Cloth.Outer layer high-strength braided cloth ensures stablizing of internal layer chopped fiber needle-punched geotextiles gap structure, longitudinally
Tensile strength >=70kN/m, transverse tensile strength >=95kN/m, effective aperture O95≤
0.5mm；Internal layer chopped fiber needle-punched geotextiles soil conservation drainage, mass area ratio >=150g/m2,
Effective aperture O95≤0.005mm, vertical permeability coefficient >=0.001cm/s.Described pipeline another
Being provided with valve between end and vacuum equipment, this valve connects vacuum equipment for reserved.
The setting of draining board is not limited to one, can be that linearly type is laterally distributed in and fills mud
In pipe bag, the locus of draining board controls at width under mud filling tube bag, is positioned at design filling
At the 1/4-1/2 of height；Can also be laterally to be distributed in mud filling tube bag in undaform, draining
The crest of plate and trough are high more than or equal to 1/4 design filling with the distance of pipe bag top and bottom
Degree.Additionally, described draining board setting space≤1.0m and palpus ensure that draining board distance bag is big
In equal to 0.5m.
The present invention further provides the quick-discharging consolidation side of high sticky content river and lake dredging bed mud
Method, comprises the following steps:
The first step, laying mud filling tube bag, select physical features smooth, without the place of sharp keen foreign material,
Offer draining gully in place surrounding, first mud filling tube bag curling be placed in central area, place,
Again mud filling tube bag is launched；
Mud equipment is filled in second step, connection, filling mud filling tube bag mud mouth and carrying bed mud mud
Pumping line use plastic flexible pipe to connect, two ends pipe clamp fixes, and arranges in pumping line one end
Hand-operated butterfly valve, described water discharging valve connects vacuum equipment；
3rd step, filled geotube, be delivered into mud filling tube bag by mud by pumping line, when filling
The height of mud pipe bag stops filling when reaching to design packed height, tightens and fills Ni Kou；
4th step, vacuum are drawn water consolidation, after stopping filling, when the height of mud filling tube bag declines,
Bag surface drainage leaching rate slowly to when oozing out without drainage, is opened vacuum equipment and is carried out draining
Consolidation.
The method also includes the 5th step, is again filled with consolidation, after the 6th step has consolidated, then
Repeat the 3rd step and complete discharging consolidation to the 4th step.
Further, described in fill mud mouth uniformly at intervals in bag surface, described in fill mud mouth diameter with
Pumping line matches.
The outlet pressure of described 3rd step pumping line is 0.2-0.3Mpa, prevents bag from rupturing,
The lowest casting resin of pressure easily deposits, and affects filling effect, and pressure easily causes the most greatly the explosion of filling bag.
The present invention is the associating of novelty while improving tradition mud filling tube bag technology
Vacuum drainage concretion technology, changes the discharge structure of conventional tube bag, significantly shortens pipe bag mud
Drainage distance, it is proposed that the high sticky content vacuum combined mud filling tube bag of river and lake dredging bed mud is quickly arranged
Water concretion technology, overcomes tradition mud filling tube bag technical finesse sticky content high, poor permeability
Dredged bed mud soil conservation poor performance, fine grained runs off serious, and the tail water of discharge is difficult to reach engineering department
The engineering roadblocks such as reason requires and environmental emission requirement, low little, the weak effect for the treatment of effeciency.This technology
Have tradition mud filling tube bag water discharge technology and the advantage of vacuum drainage concretion technology concurrently, can play
The drain function of two set technology, the Dredged bed mud of poor permeability high for sticky content, soil conservation
Water filtering performance is good, can reduce fine grained and run off, improve the emission level of tail water, effectively reduce tail
Water turbidity, it is to avoid secondary pollution；Can improve again efficiency of construction, consolidation effect, the reduction of erection time,
High-efficiency environment friendly, economical and practical.
Accompanying drawing explanation
Fig. 1 is the three-dimensional knot of the mud filling tube bag laying plane formula low-pressure drainage system of the present invention
Structure schematic diagram.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the side view of Fig. 2.
Fig. 5 is the three-dimensional knot of the mud filling tube bag laying three-dimensional low-pressure drainage system of the present invention
Structure schematic diagram.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the side view of Fig. 6.
Detailed description of the invention
Embodiment 1
The high sticky content vacuum combined mud filling tube bag of river and lake dredging bed mud of the present embodiment is quickly arranged
Water concretion technology is implemented on certain river course environmental dredging and Dredged bed mud handling project, at the bottom of this river course
Mud sticky content is about 15%, uses plane formula drainage system, as Figure 1-Figure 4, its knot
Structure includes that surface is provided with the mud filling tube bag 8 filling mud mouth 1, six pieces of edges of mud filling tube bag 8 positioned inside
The draining board 2 that bag length direction is in parallel, the Surface coating filter membrane of draining board, the equivalence of filter membrane
Aperture O95≤0.005mm, infiltration coefficient >=0.001cm/s, the two ends of draining board 2 are equipped with
Union joint 3, the union joint 3 often held is in parallel through pipeline (reinforcement flexible pipe) 4, pipeline (reinforcement
Flexible pipe) 4 one end close, the other end stretches out mud filling tube bag 8 and is connected with the vacuum equipment of peripheral hardware.
Draining board 2 linearly type is laterally distributed in mud filling tube bag 8, and the locus of draining board controls
At distance 8 times width of mud filling tube bag, it is positioned at the 1/4-1/2 of design packed height.Mud filling tube bag
8 is double-decker, and outer layer is endwise tensile strength >=70kN/m, transverse tensile strength >=
95kN/m, the high-strength braided cloth 5 of effective aperture O95≤0.5mm；Internal layer is unit are matter
Amount >=150g/m2, effective aperture O95≤0.005mm, vertical permeability coefficient >=0.001cm/s
Chopped fiber needle-punched geotextiles 6.Spacing≤the 1.0m of draining board 2, draining board 2 and bag internal layer
Distance >=0.5m.Pipeline (reinforcement flexible pipe) is provided with valve 7 between 4 other ends and vacuum equipment.
It is embodied as step as follows:
1) mud filling tube bag makes: mud filling tube bag uses high-strength braided cloth and chopped fiber needle-punched geotextiles
Make, geotextiles mass area ratio 180g/m2.Mud filling tube bag width 5m, length 20m,
Pipe bag surface is uniformly provided with 2 filling mouths of pipe, nozzle diameter 20cm, cuff length 40cm.
Plane formula low-pressure drainage system (see Fig. 1) is laid in mud filling tube bag in advance, plastic draining
Plate spacing 50cm, outermost plastic draining board distance mud filling tube bag side 50cm, plastic row
Water board space position control (designs packed height at width 0.3m under distance mud filling tube bag
0.75m), plastic draining board two uses union joint, reinforcement flexible pipe to be together in parallel, and linger in advance
Receive the union joint of vacuum equipment.
2) dispose Site Design: smooth for placing mud filling tube bag region, remove and likely damage
The sharp keen foreign material of evil mud filling tube bag, place surrounding excavation draining gully.
3) mud filling tube bag is laid: mud filling tube bag volume is placed in the center of design paving location
Territory, with artificial dilatory expansion.
4) pipeline connects: use plastics by filling the mud mouth of pipe pumping line with conveying bed mud mud
Hose connection, two ends pipe clamp is fixed, and pumping line one end arranges 1 Hand-operated butterfly valve, in order to control
System fills mud speed and flow.By union joint reserved for plane formula low-pressure drainage system (see Fig. 1)
It is connected to jet pump.
5) filling in pipe bag
Bed mud mud (initial aqueous rate about 580%, initial concentration about 15%) is passed through pumping line
Road is delivered into mud filling tube bag, and tube outlet Stress control, at 0.2Mpa, reaches to design filling high
Stop filling during degree 0.75m, tighten and fill Ni Kou, and open the filling mouth of another mud filling tube bag
Valve switches over filling.
6) vacuum drainage consolidation
When the decline of mud filling tube bag height is inconspicuous, surface does not has drainage or drainage slow substantially
Time, open jet pump, by the plane formula low-pressure drainage system being laid in advance in mud filling tube bag
(see Fig. 1) carries out evacuation discharging consolidation.
7) mud filling tube bag secondary filling
When mud filling tube bag is under evacuation discharging consolidation effect, mud filling tube bag height declines inconspicuous
Time, start 2 fillings, so circulate construction, until mud filling tube bag allows design packed height
0.75m, plumpness controls 85%.
Postponing at 10-15 days, in mud filling tube bag, bed mud moisture content is reduced to about 50%, about
Being 1 times of liquid limit moisture content, treatment effeciency is high, ideal treatment effect.
Embodiment 2
The high sticky content river and lake dredging bed mud vacuum combined mud filling tube bag Quick drainage of the present embodiment is solid
Knot technology is implemented on certain lake environmental dredging and Dredged bed mud handling project, and this bottom mud in lake sticks
Property content is about 30%, uses three-dimensional drainage system, as shown in Figure 5-Figure 8, and its structure bag
Including surface and be provided with the mud filling tube bag 8 filling mud mouth 1, mud filling tube bag 8 positioned inside six pieces is along bag
The draining board 2 that length direction is in parallel, the Surface coating filter membrane of draining board, the effective aperture of filter membrane
O95≤0.005mm, infiltration coefficient >=0.001cm/s, the two ends of draining board 2 are equipped with connection
3, the union joint 3 often held is in parallel through pipeline (reinforcement flexible pipe) 4, pipeline (reinforcement flexible pipe)
One end of 4 is closed, the other end stretches out mud filling tube bag 8 and is connected with the vacuum equipment of peripheral hardware.Draining
Plate 2 is laterally distributed in undaform in mud filling tube bag 8, the crest of draining board 2 and trough and pipe
The distance of bag top and bottom is more than or equal to 1/4 design packed height.Mud filling tube bag 8 is double
Rotating fields, outer layer is endwise tensile strength >=70kN/m, transverse tensile strength >=95kN/m, etc.
The high-strength braided cloth 5 of effect aperture O95≤0.5mm；Internal layer is mass area ratio >=150g/m2,
The chopped fiber needle-punched geotechnique of effective aperture O95≤0.005mm, vertical permeability coefficient >=0.001cm/s
Cloth 6.Spacing≤the 1.0m of draining board 2, draining board 2 and bag internal layer distance >=0.5m.Pipe
Road (reinforcement flexible pipe) is provided with valve 7 between 4 other ends and vacuum equipment.
It is embodied as step as follows:
1) mud filling tube bag makes: mud filling tube bag uses high-strength braided cloth and chopped fiber needle-punched geotextiles
Make, geotextiles mass area ratio 200g/m2.Mud filling tube bag width 8m, length 30m,
Pipe bag surface is uniformly provided with 3 filling mouths of pipe, nozzle diameter 25cm, cuff length 40cm.
Three-dimensional low-pressure drainage system (see Fig. 2) is laid in mud filling tube bag in advance, plastic draining
Plate spacing 50cm, outermost plastic draining board distance mud filling tube bag side 50cm, plastic row
Width under mud filling tube bag is fixed at water plate two ends, and vertical height is 0.4m (design packed height
1.20m), plastic draining board two uses union joint, reinforcement flexible pipe to be together in parallel, and linger in advance
Receive the union joint of vacuum equipment.
2) dispose Site Design: smooth for placing mud filling tube bag region, remove and likely damage
The sharp keen foreign material of evil mud filling tube bag, place surrounding excavation draining gully.
3) mud filling tube bag is laid: mud filling tube bag volume is placed in the center of design paving location
Territory, with artificial dilatory expansion.
4) pipeline connects: use plastics by filling the mud mouth of pipe pumping line with conveying bed mud mud
Hose connection, two ends pipe clamp is fixed, and pumping line one end arranges 1 Hand-operated butterfly valve, in order to control
System fills mud speed and flow.By union joint reserved for three-dimensional low-pressure drainage system (see Fig. 2)
It is connected to jet pump.
5) filling in pipe bag
Bed mud mud (initial aqueous rate about 900%, initial concentration about 10%) is passed through pumping line
Road is delivered into mud filling tube bag, and tube outlet Stress control, at 0.2Mpa, reaches to design filling high
Stop filling during degree 1.20m, tighten and fill Ni Kou, and open the filling mouth of another mud filling tube bag
Valve switches over filling.
6) vacuum drainage consolidation
When the decline of mud filling tube bag height is inconspicuous, surface does not has drainage or drainage slow substantially
Time, open jet pump, by the three-dimensional low-pressure drainage system being laid in advance in mud filling tube bag
(see Fig. 2) carries out evacuation discharging consolidation.
7) mud filling tube bag secondary filling
When mud filling tube bag is under evacuation discharging consolidation effect, mud filling tube bag height declines inconspicuous
Time, start 2 fillings, so circulate construction, until mud filling tube bag allows design packed height
1.20m, plumpness controls 80%.
Postponing at 15-20 days, in mud filling tube bag, bed mud moisture content is reduced to about 90%, about
Being 1.2 times of liquid limit moisture content, treatment effeciency is high, ideal treatment effect.
In addition to the implementation, the present invention can also have other embodiments.All employing equivalents are replaced
Change or the technical scheme of equivalent transformation formation, all fall within the protection domain of application claims.
Claims (10)
- The quick-discharging consolidation device of the highest sticky content river and lake dredging bed mud, is provided with including surface and fills The mud filling tube bag of mud mouth, it is characterised in that: described mud filling tube bag positioned inside at least two pieces is along bag The draining board that body length direction is in parallel, the Surface coating filter membrane of described draining board, described filter membrane Effective aperture O95≤0.01mm, infiltration coefficient >=0.001cm/s, the two ends of described draining board Being equipped with union joint, the union joint often held is in parallel through pipeline, and one end of described pipeline is closed, separately One end is stretched out mud filling tube bag and is connected with vacuum equipment.
- The quick-discharging consolidation of the highest sticky content river and lake dredging bed mud Device, it is characterised in that: described mud filling tube bag is double-decker, and outer layer is endwise tensile strength ≥70kN/m2, transverse tensile strength >=95kN/m2, the height of effective aperture O95≤0.5mm Strong woven cloth；Internal layer is mass area ratio >=150g/m2, effective aperture O95≤0.005mm, The chopped fiber needle-punched geotextiles of vertical permeability coefficient >=0.001cm/s.
- The quick-discharging consolidation of the highest sticky content river and lake dredging bed mud Device, it is characterised in that: the spacing≤1.0m of described draining board, draining board and bag internal layer away from From >=0.5m.
- The quick-discharging consolidation of the highest sticky content river and lake dredging bed mud Device, it is characterised in that: it is provided with valve between the described pipeline other end and vacuum equipment.
- The quick-discharging consolidation of the highest sticky content river and lake dredging bed mud Device, it is characterised in that: described draining board linearly type is laterally distributed in mud filling tube bag, row The locus of water plate controls at width under mud filling tube bag, is positioned at design packed height At 1/4-1/2.
- The quick-discharging consolidation dress of the highest sticky content river and lake dredging bed mud Put, it is characterised in that: described draining board is that undaform is laterally distributed in mud filling tube bag, draining The distance of the crest of plate and trough and pipe bag top and bottom is more than or equal to 1/4 design filling Highly.
- The quick-discharging consolidation dress of the highest sticky content river and lake dredging bed mud The consolidation method put, comprises the following steps:The first step, laying mud filling tube bag, select physical features smooth, without the place of sharp keen foreign material, Offer draining gully in place surrounding, first mud filling tube bag curling be placed in central area, place, Again mud filling tube bag is launched；Mud equipment is filled in second step, connection, filling mud filling tube bag mud mouth and carrying bed mud mud Pumping line use plastic flexible pipe to connect, two ends pipe clamp fixes, and arranges in pumping line one end Hand-operated butterfly valve, described water discharging valve connects vacuum equipment；3rd step, filled geotube, be delivered into mud filling tube bag by mud by pumping line, when filling The height of mud pipe bag stops filling when reaching to design packed height, tightens and fills Ni Kou；4th step, vacuum are drawn water consolidation, after stopping filling, when the height of mud filling tube bag declines, Bag surface drainage leaching rate slowly to when oozing out without drainage, is opened vacuum equipment and is carried out draining Consolidation.
- The Quick drainage of the most described high sticky content river and lake dredging bed mud is solid The consolidation method of knot device, it is characterised in that: also include the 5th step, be again filled with consolidation, when After 4th step has consolidated, repeat the 3rd step and the 4th step completes discharging consolidation.
- The quick-discharging consolidation dress of the highest sticky content river and lake dredging bed mud The consolidation method put, it is characterised in that fill mud mouth described in: uniformly at intervals in bag surface, institute State and fill mud mouth diameter and match with pumping line.
- The quick-discharging consolidation of the highest sticky content river and lake dredging bed mud The consolidation method of device, it is characterised in that: the outlet pressure of described 3rd step pumping line is 0.2-0.3Mpa。
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| CN110451760A (en) * | 2019-06-28 | 2019-11-15 | 湖南科技大学 | A kind of geotextile tube bag with inner core and its combined vacuum carry out mud dewaterion method |
| CN111088790A (en) * | 2019-12-10 | 2020-05-01 | 浙江工业大学 | Novel geotechnical pipe bag sludge dewatering device combined with vacuum preloading and sludge dewatering method thereof |
| CN112761135B (en) * | 2021-01-25 | 2023-05-05 | 温州大学 | Device for treating dredging sludge with high water content by using short fiber-geomembrane bag reverse filtration composite horizontal drainage plate and construction method of device |
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| CN101082216B (en) * | 2007-07-13 | 2011-01-19 | 柳自道 | Soft soil foundation pipe-embedded vacuum drainage method |
| KR20130008994A (en) * | 2011-07-14 | 2013-01-23 | 주식회사 동아지질 | Drain apparatus for suction drain method |
| CN103205952A (en) * | 2012-01-12 | 2013-07-17 | 中交上海航道勘察设计研究院有限公司 | Method for filling dam by combining sludge-filled bags and vacuum preloading |
| CN102628273B (en) * | 2012-03-20 | 2015-09-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Utilize dredging markets to charge the large-scale of fill and charge bag fill method and an equipment thereof |
| CN102787592A (en) * | 2012-04-05 | 2012-11-21 | 江苏鑫泰岩土科技有限公司 | Vacuum sludge filling bag |
| CN103046553B (en) * | 2013-01-30 | 2014-09-03 | 安徽水利开发股份有限公司 | Method for carrying out deepwater laying on large-volume reinforced mud-filling tubular bags by using geotextiles-laying vessels |
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Effective date of registration: 20190815 Address after: 210000, No. four, archway 2, Xinjiekou street, Xuanwu District, Jiangsu, Nanjing Co-patentee after: Jiangsu Hongji water source Polytron Technologies Inc Patentee after: Southeast University Co-patentee after: East-Route of South-to-North Water Transfer Project Jiangsu Water Source Co., Lt Address before: No. 35 Jinxianghe Road, Xuanwu District, Nanjing City, Jiangsu Province, 210000 Co-patentee before: Jiangsu Hongji Hydraulic Engineering Construction Co., Ltd. Patentee before: Southeast University Co-patentee before: East-Route of South-to-North Water Transfer Project Jiangsu Water Source Co., Lt |