CN109440759A - It is a kind of to make the processing unit and processing method that soil layer precipitation consolidates in submarine soil layer - Google Patents
It is a kind of to make the processing unit and processing method that soil layer precipitation consolidates in submarine soil layer Download PDFInfo
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- CN109440759A CN109440759A CN201811241214.2A CN201811241214A CN109440759A CN 109440759 A CN109440759 A CN 109440759A CN 201811241214 A CN201811241214 A CN 201811241214A CN 109440759 A CN109440759 A CN 109440759A
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- 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
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- 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
- E02D3/103—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by installing wick drains or sand bags
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- 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
Make the processing unit and processing method that soil layer precipitation consolidates in submarine soil layer the invention discloses a kind of, be related to submarine soil layer concretion technology field, is mainly used in the precipitation consolidation of submarine soil layer the following steps are included: construction installation;Draw water: after pipeline is inserted into submarine soil layer, starting suction pump draws water.Water in pump process in submarine soil layer enters pipeline and is extracted the water surface, and since soil layer top hydraulic pressure is greater than the hydraulic pressure inside soil layer, the water above soil layer is taken away under pressure action to soil layer internal flow, then by pumping conduit.End is drawn water.4th step, device recycling.After the completion of submarine soil layer precipitation consolidation, processing construction is slowly extracted from the soil layer being disposed, completes the entire treatment process of submarine soil layer precipitation consolidation.The present invention has many advantages, such as that principle is simple, operation is easy, treatment effect is good, wide application, is applicable not only to the rapid consolidation of soil layer under ocean water, applies also for the consolidation process of land various aqueous grounds.
Description
Technical field
The present invention relates to submarine soil layer concretion technology fields, especially a kind of to make the place that soil layer precipitation consolidates in submarine soil layer
Manage device and processing method.
Background technique
The soil body is made of soil particle, mutually arranged between countless soil particles to have collectively constituted the soil body.Soil particle arrangement
When particle between there are hole, there are water and air in hole, intrapore water is known as pore water.All holes are filled by pore water
The full soil body is known as saturated soil, otherwise referred to as unsaturated soil.Submarine soil layer is due to being submerged in the water surface for a long time hereinafter, between soil particle
Hole is filled with water, and the arrangement between soil particle is not close, and the globality and intensity of the soil body be not high.Since natural rock-filled exists
Hole is easily deformed and is destroyed when receiving the effect of external loads, so in the practice of construction of civil engineering, no
It can directly use it as the basis of building, and need in advance to handle foundation soil body.It is currently higher to all kinds of water content
The main methods of the soil body have:
1. compound foundation method, such as the prefabricated all kinds of stakes in soft soil foundation: rotary churning pile, powder-spray pile, broken stone pile are added with reaching
Gu the purpose of ground.
2. heavy-tamping method carries out power to the soil body using weight and rams, make local products are raw to force densification and reduce its compressibility, mention
It is high-intensitive.
3. prepressing water discharge method carries out precompressed to the aqueous soil body by all kinds of modes, reduces soil body Pore Pressure, discharge
Moisture is in the soil body to achieve the purpose that reinforce soil strength.
Above-mentioned common ground soil processing method can efficiently solve the easily-deformable problem of the soil body, improve foundation soil body
Intensity, however be limited only to the processing of land foundation soil, may not apply to the reinforcing of underwater soil layer especially submarine soil layer
Processing: compound foundation method be in foundation soil prefabricated all kinds of stakes to achieve the purpose that consolidated subsoil, it is clear that under water stake processed compared with
Land difficulty is bigger and cost is higher;There is also many difficulties for implementation of the underwater environment to heavy-tamping method in ocean, to seafloor soil
It is even more unrealistic that body carries out prepressing water discharge.Recently as country to the fluffy of the Devoting Major Efforts To Developings of marine resources and marine transportation industry
The exhibition of breaking out, ocean engineering construction are also rapidly developed.Different from building on land, the basis of ocean engineering building is located at water
Under, more then hundreds of meters, difficulty of construction is considerably beyond building on land.Since the maximum feature of submarine soil layer physico-mechanical properties is to contain
Water is high, void ratio is big, intensity is low, deformation is big, compressibility is high, and has thixotropy, rheological characteristic and very strong inhomogeneities, when it
Very strong soft and unstability is showed to obtain when as engineering construction ground.Easily occur under the loads such as ocean wave current all kinds of
Geological disaster, main performance is that marine structure is easy to happen strong uneven subsidence, ground caused by also deforming sometimes because of sliding
Base or slope instability.The engineering accident as caused by submarine soil weakness is commonplace in recent years, such as due to all kinds of ocean platforms
Since ocean ground weakness causes unstability even to be toppled, all kinds of submerged pipeline engineerings cause to walk due to wave current souring on basis
The soil body dissipates, and pipelined shift is caused even to be broken, and has brought tremendous economic losses to country and enterprise.It can be seen that reinforcing
The basis of ocean engineering has far-reaching realistic meaning, however currently to the research of ocean soil body reinforcement means almost a piece of sky
It is white, so needing to develop the method that a kind of pair of submarine soil layer is effectively reinforced.
Application No. is the 200910307872.1 layer-by-layer foundation reinforcement methods based on cartridge type negative pressure technique, and this method is in cylinder
Type basis lamina tecti transfers the steel pipe for being provided with sieve pore, will first be passed through in soil under bucket foundation with negative pressure, then passes through the steel
Pipe draws water to the soil body inside bucket foundation, to improve the bearing capacity and stability of bucket foundation.Though the invention utilizes
The approach of negative pressure pumping water handles soil matrix, and but there are the following problems: first, this method (is also referred to as in the industry " suction type using bucket foundation
Bucket base ") it is handled, however the biggest problem existing for generally acknowledged current suction type bucket base is to solve bucket foundation
Under pass through during " soil plug " phenomenon, i.e., since the soil in cylinder in the too low cylinder of pressure will become loosely to swell, phenomenon is filled in native land
In the presence of recycle steel pipe draw water to the soil body in cylinder will be of no avail, can not achieve the purpose that consolidated subsoil soil;Second,
This method can only improve the bearing capacity of bucket base, that is, be only capable of making this structure of bucket base more stable merely, can not be over the ground
Base soil layer itself is reinforced, it is clear that can not realize the reinforcing to submarine soil layer.
Summary of the invention
The purpose of the present invention is accelerating submarine soil layer discharging consolidation, the compaction rate of the soil body is improved, is realized to submarine soil layer
The reinforcing of ground devises a kind of processing unit and processing method for making soil layer precipitation consolidation in submarine soil layer.
Realize above-mentioned purpose the technical scheme is that, a kind of processing dress consolidating soil layer precipitation in submarine soil layer
It sets, including several drinking-water pipes, is set in submarine soil layer, the bottom end end sealing of the drinking-water pipe, top is equipped with opening, the pumping
The bottom end side of water pipe is equipped with the permeable hole of seepage flow;Collector pipe is connect with the top end opening of the drinking-water pipe, the collector pipe
One end sealing, the other end connect with pressure pump;Strainer is set to the outside of the drinking-water pipe permeable hole, for silt to be isolated
With the permeable hole for preventing from blocking the drinking-water pipe.
Further, the outside of the drinking-water pipe is equipped with annular groove, and the permeable hole is arranged at annular groove, the strainer
It is arranged at annular groove.
Further, activity setting pressure chamber, the collector pipe are equipped with the inner cavity phase with drinking-water pipe in the drinking-water pipe
Pair plug chamber.
Further, the drinking-water pipe is connected to collector pipe by waterpipe couplings.
Further, the shape of the drinking-water pipe is cylinder.
Further, the radius of the drinking-water pipe is 8-16cm.
A kind of application method making the processing method of soil layer precipitation consolidation in submarine soil layer, comprising the following steps:
A, drinking-water pipe is inserted into submarine soil layer to be processed, in the external pressure pump in the one end for the tube opening that catchments, completes peace
Dress;
B, cracking pressure pump reduces the pressure in collector pipe, effect of the pore water in submarine soil layer in soil layer in seepage force
Under across strainer, enter drinking-water pipe from permeable hole, finally enter collector pipe discharge;
C, when pressure surge occurs in pressure pump, pressure pump is closed, soil layer precipitation consolidation is completed in submarine soil layer.
Further, after the step C, there is also step D: the submarine soil layer that processing unit is completed from processing
It is slowly extracted in middle soil layer.
Further, in step, during drinking-water pipe is inserted into submarine soil layer to be processed, into drinking-water pipe
Certain precompression is injected, floats on pressure chamber in the inner cavity of drinking-water pipe;In stepb, pressure chamber is moved to collector pipe
It fills in chamber.
Further, in stepb, increase the pressure in collector pipe, make the outside jet of permeable hole;Pressure pump reduction is catchmented
The pressure in pressure and increase collector pipe in pipe staggeredly carries out, and the former time is greater than the time of the latter.
The beneficial effects of the present invention are: the pore water in underwater soil layer can be extracted directly, accelerate soil layer precipitation consolidation, centainly
It can be shortened the construction period in degree.It is demonstrated experimentally that sand consolidation process is very slow under natural water, consolidation is needed to be up in its natural state
Several months can be only achieved engine request, and only need processing 2-3 days with processing method of the invention, and it is solid that underwater sand can be completed
Knot, greatly shortens the duration, not only safe and efficient, but also save the cost;Required processing unit structure is simple, cost economic, handles work
Skill is simple and practical, feasibility is strong, and treatment effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of herein described processing unit;
Fig. 2 is the main view of Fig. 1;
Fig. 3 is the use state diagram of the application processing unit, and wherein pressure chamber is in drinking-water pipe;
Fig. 4 is the use state diagram of the application processing unit, and wherein pressure chamber is in drinking-water pipe and collector pipe;
Fig. 5 is the use state diagram of the application processing unit, wherein pressure chamber be in drinking-water pipe plug it is intracavitary;
Fig. 6 is the principle status diagram of the application processing method, wherein pressure pump is in rigid starting state;
Fig. 7 is the principle status diagram of the application processing method, wherein pressure pump is in the state that closes to an end.
In above each figure, 1, drinking-water pipe;11, permeable hole;2, collector pipe;3, pressure chamber;41, the water surface;42, soil layer before handling
Surface;43, soil layer surface after handling.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to specific embodiment, structure, feature and its effect according to the present invention, detailed description are as follows:
The mentality of designing of the application is, in the underwater soil layer for needing to carry out consolidation process, being inserted vertically into several can be taken out
The pipeline of water, pipeline have the characteristics that draw water without taking sand grains away.Pumping conduit lower end is inserted into soil layer, pipe
Road upper end connects pressure pump, the suction needed when providing and draw water using pressure pump.When drawing water, the water in underwater soil layer can be in pressure
It pumps and pumping conduit is provided under the suction provided, be then pulled out from pipeline.After water in the soil body is pulled out, in the soil body
Pore water pressure reduces, and the pressure of the water inside soil layer reduces, and the pressure of the water above soil layer is greater than the pressure of soil layer internal water.
Water above soil layer can flow into soil layer under the action of pressure difference, then be taken away by pumping conduit, the movement of water flow during this
It will form seepage force.The flowing of water in the soil is known as seepage flow, and when seepage flow, soil particle can hinder seepage flow, generate resistance to water seepage flow
Power is equivalent to water and also produces one " power " to soil particle, this " power " is called seepage force.The direction of seepage force and the side of seepage flow
To identical, this seepage force is moved soil particle is pulled, and the hole between the soil particle of script loose arrangement is made slowly to become smaller,
Soil particle is finally closely aligned together again, and the soil body becomes more closely knit, realizes precipitation consolidation.
It is a kind of to make the processing unit that soil layer precipitation consolidates in submarine soil layer, as shown in Figures 1 to 5, including several drinking-water pipes
1, collector pipe 2 and strainer.Several drinking-water pipes 1 are arranged in submarine soil layer, and the bottom end end sealing of drinking-water pipe 1, top are equipped with opening,
Also, it is equipped with the permeable hole 11 of seepage flow in the bottom end side of drinking-water pipe 1, drinking-water pipe 1 can be circular pipe, other shapes
The pipeline of (such as rectangular, prismatic etc.) all will be regarded as in the scope of protection of the patent of the present invention, and the quantity of drinking-water pipe 1 is according to reality
The needs of border engineering are determined.
Collector pipe 2 is connect with the top end opening of drinking-water pipe 1, and drinking-water pipe 1 and collector pipe 2 can be connected by waterpipe couplings
It is logical, and one end sealing of collector pipe 2, the other end are connect with pressure pump, can control the pressure in drinking-water pipe 1 by pressure pump
The arrangement of power, collector pipe 2 and drinking-water pipe 1 is not limited to be arranged vertically with shown in figure, otherwise (for example be in tilted layout
Deng) arrangement form all will be regarded as in the scope of protection of the patent of the present invention.The permeable hole 11 on drinking-water pipe 1 is arranged in strainer
Outside and its be completely covered permeable hole 11, strainer is mesh jacket shape filter screen, and permeable hole 11 is entire through the drinking-water pipe 1
Tube wall, 11 quantity of permeable hole are determined according to actual requirement of engineering, for silt to be isolated and prevents the permeable of blocking drinking-water pipe 1
Hole 11, which has filtration, so that drinking-water pipe 1 has the characteristics that draw water without taking sand grains, strainer away
Mesh have certain size, lead to strainer can only by being mingled with the water of fine particle can cannot in other words by water
Cross silt.
For the ease of placing drinking-water pipe 1, it is equipped with annular groove in the outside of drinking-water pipe 1, permeable hole 11 is arranged at annular groove,
Strainer is arranged at annular groove.On this basis, the activity setting pressure chamber 3 in drinking-water pipe 1, collector pipe 2 are equipped with and draw water
The opposite plug chamber in the inner cavity of pipe 1.The pressure chamber 3 can reduce seawater and pour into collector pipe 2, play the role of protecting collector pipe 2.Tool
Body, with sea water advanced increase, pressure gradually increases, but since collector pipe 2 passes through the permeable hole 11 of drinking-water pipe 1
It being connected to seawater, the other end of collector pipe 2 is connect with pressure pump, therefore by the pressure by the seawater being gradually increased inside collector pipe 2
Power, the pressure chamber 3 of design can be avoided high pressure seawater and directly impact collector pipe 2, even pressure pump.In addition, collector pipe 2
The other end connected by pressure pump, then it is substantially regarded as sealing, therefore collector pipe 2 is during the decline, can be with
Gas is injected without pressure pump, during pressure chamber 3 moves up, by compressed air, to increase 2 gas pressure intensity of water accumulation pipe
Effect.The effect of plug chamber is, during pressure pump is depressured, pressure chamber can move directly to avoid being pressed in plug chamber
Power plug blocks cavity.The height of pressure chamber 3 fills in the length of chamber more preferably greater than collector pipe 2 herein, avoids blocking collector pipe 2.
With reference to Fig. 3 to Fig. 5, when drawing water, the water in underwater soil layer can enter under the suction that pressure pump provides to draw water
Then pipe 1 is pulled out from collector pipe 2.After water in the soil body is pulled out, the pore water pressure in the soil body reduces, inside soil layer
The pressure of water reduce, the pressure of the water above soil layer is greater than the pressure of soil layer internal water.Water above soil layer is in pressure difference
Soil layer can be flowed under effect, is then taken away by pumping conduit, flowing of water will form seepage force during this, and seepage force pulls sand
Soil particle is moved downwards, sand grains close-packed arrays again, and the hole between soil particle becomes smaller, and soil layer realizes precipitation consolidation,
Become more closely knit, to meet the intensity requirement of requirement of engineering.
Make the processing method that soil layer precipitation consolidates in submarine soil layer this application provides a kind of, as shown in Figure 6 to 7, packet
Include following steps:
A, construction installation.Drinking-water pipe 1 is inserted into submarine soil layer to be processed in soil layer, insertion depth is according to Practical Project
It needs to be determined, in the external pressure pump in one end that collector pipe 2 is open, installation is set in completion.It is to be processed drinking-water pipe 1 to be inserted into
During submarine soil layer, certain precompression is injected into drinking-water pipe 1, floats on pressure chamber 3 in the inner cavity of drinking-water pipe 1.
B, start to draw water.Cracking pressure pump reduces the pressure in collector pipe 2, and pressure chamber 3 is moved to the plug chamber of collector pipe 2
In, the pore water in submarine soil layer in soil layer passes through strainer under the action of seepage force, enters drinking-water pipe 1 from permeable hole 11, most
Enter collector pipe 2 afterwards to be discharged;
In figure, 41 be the water surface, 42 handle before soil layer surface, soil layer surface after 43 processing, the pore water in foundation soil will
Strainer is passed through under the suction of pressure pump, is then entered drinking-water pipe 1 from permeable hole 11, collector pipe 2 is finally entered, by pressure
Pumping from.Silt can be effectively isolated by being wrapped in the strainer outside permeable hole, and silt enters permeable hole and causes to block up when can avoid drawing water
Plug.The water on soil layer top enters inside soil layer simultaneously.
In step B, increases the pressure in collector pipe 2, make the outside jet of permeable hole 11;Pressure pump reduces in collector pipe 2
Pressure and the pressure increased in collector pipe 2 staggeredly carry out, and the former time is greater than the time of the latter, by this method, when larger
When the silt of particle blocks permeable hole 11, the pressure in collector pipe 2 can rush out larger particles, change it in permeable hole 11
Position, thus reduce silt blocking permeable hole 11 probability.
C, terminate to draw water.When pressure surge occurs in pressure pump, when difficulty of drawing water, illustrate that 1-4 has been arranged in soil particle Fig. 1
Closely, soil layer has realized that precipitation consolidates, and closes pressure pump at this time, and soil layer precipitation consolidation is completed in submarine soil layer.
After step C, there is also step D: by processing unit from the submarine soil layer that processing is completed in soil layer slowly
It extracts, completes submarine soil layer precipitation consolidation, the operation of next destination can be continued.
Above with reference to preferred embodiment, invention has been described, but protection scope of the present invention is not restricted to
This can carry out various improvement to it and can be replaced wherein with equivalent without departing from the scope of the invention
Component, as long as be not present structural conflict, it is mentioned in the various embodiments items technical characteristic can combine in any way
Get up, and any reference signs in the claims should not be construed as limiting the involved claims, no matter comes from which point
It sees, the present embodiments are to be considered as illustrative and not restrictive.Therefore, any to fall within the scope of the appended claims
All technical solutions be within the scope of the invention.
Claims (10)
1. a kind of make the processing unit that soil layer precipitation consolidates in submarine soil layer characterized by comprising
Several drinking-water pipes (1), are set in submarine soil layer, and the bottom end end sealing of the drinking-water pipe (1), top is equipped with opening, institute
The bottom end side for stating drinking-water pipe (1) is equipped with the permeable hole (11) of seepage flow;
Collector pipe (2) is connect with the top end opening of the drinking-water pipe (1), the sealing of one end of the collector pipe (2), the other end with
Pressure pump connection;
Strainer is set to the outside of the drinking-water pipe (1) permeable hole (11), for silt to be isolated and prevents from blocking the drinking-water pipe
(1) permeable hole (11).
2. a kind of processing unit for making soil layer precipitation consolidation in submarine soil layer according to claim 1, which is characterized in that institute
The outside for stating drinking-water pipe (1) is equipped with annular groove, and the permeable hole (11) is arranged at annular groove, and the strainer is arranged in annular groove
Place.
3. a kind of processing unit for making soil layer precipitation consolidation in submarine soil layer according to claim 1, which is characterized in that institute
Activity setting pressure chamber (3) in drinking-water pipe (1) is stated, the collector pipe (2) is equipped with the plug opposite with the inner cavity of drinking-water pipe (1)
Chamber.
4. a kind of processing unit for making soil layer precipitation consolidation in submarine soil layer according to claim 1, which is characterized in that institute
It states drinking-water pipe (1) and is connected to collector pipe (2) by waterpipe couplings.
5. a kind of processing unit for making soil layer precipitation consolidation in submarine soil layer according to claim 1, which is characterized in that institute
The shape for stating drinking-water pipe (1) is cylinder.
6. a kind of processing unit for making soil layer precipitation consolidation in submarine soil layer according to claim 1, which is characterized in that institute
The radius for stating drinking-water pipe (1) is 8-16cm.
7. a kind of application method for making the processing method of soil layer precipitation consolidation in submarine soil layer, which is characterized in that including following step
It is rapid:
A, drinking-water pipe (1) is inserted into submarine soil layer to be processed in soil layer, in the external pressure in one end of collector pipe (2) opening
Pump completes installation;
B, cracking pressure pump reduces the pressure in collector pipe (2), effect of the pore water in submarine soil layer in soil layer in seepage force
Under across strainer, enter drinking-water pipe (1) from permeable hole (11), finally enter collector pipe (2) discharge;
C, when pressure surge occurs in pressure pump, pressure pump is closed, soil layer precipitation consolidation is completed in submarine soil layer.
8. a kind of processing unit and processing method for making soil layer precipitation consolidation in submarine soil layer according to claim 7,
It is characterized in that, after the step C, there is also step D: by processing unit from the submarine soil layer that processing is completed in soil layer
Slowly extract.
9. a kind of processing unit and processing method for making soil layer precipitation consolidation in submarine soil layer according to claim 7,
It is characterized in that, in step, during drinking-water pipe (1) is inserted into submarine soil layer to be processed, the note into drinking-water pipe (1)
Enter certain precompression, floats on pressure chamber (3) in the inner cavity of drinking-water pipe (1);In stepb, pressure chamber (3) is moved to collection
In the plug chamber of water pipe (2).
10. a kind of processing unit and processing method for making soil layer precipitation consolidation in submarine soil layer according to claim 7,
It is characterized in that, in stepb, increases the pressure in collector pipe (2), make permeable hole (11) outside jet;Pressure pump reduction is catchmented
The pressure managing the pressure in (2) and increasing in collector pipe (2) staggeredly carries out, and the former time is greater than the time of the latter.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110924420A (en) * | 2019-11-18 | 2020-03-27 | 清华大学 | Composite foundation for treating underwater soft soil foundation based on rapid prepressing consolidation |
US11525231B2 (en) | 2020-11-09 | 2022-12-13 | Ocean University Of China | Double-spiral-tube structure, grouting and pile forming device and construction method for strengthening soft soil |
CN116729555A (en) * | 2023-08-15 | 2023-09-12 | 中国石油大学(华东) | Resolidified suction anchor and use method thereof |
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CN103628465A (en) * | 2013-11-15 | 2014-03-12 | 河海大学 | Device and method for circulating water discharging blocking prevention through exhausting and inflating sludge |
CN106400777A (en) * | 2016-11-10 | 2017-02-15 | 上海勘测设计研究院有限公司 | Vacuum system for channel foundation treatment and construction method |
CN107326893A (en) * | 2017-06-28 | 2017-11-07 | 广州市万厚投资有限公司 | A kind of soft soil foundation ultra-deep forced-ventilated water consolidation structure |
CN209538158U (en) * | 2018-10-24 | 2019-10-25 | 中国海洋大学 | It is a kind of to make the processing unit that soil layer precipitation consolidates in submarine soil layer |
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JPH06264432A (en) * | 1993-03-10 | 1994-09-20 | Tokyu Constr Co Ltd | Ground solidification device of sea bottom |
CN103628465A (en) * | 2013-11-15 | 2014-03-12 | 河海大学 | Device and method for circulating water discharging blocking prevention through exhausting and inflating sludge |
CN106400777A (en) * | 2016-11-10 | 2017-02-15 | 上海勘测设计研究院有限公司 | Vacuum system for channel foundation treatment and construction method |
CN107326893A (en) * | 2017-06-28 | 2017-11-07 | 广州市万厚投资有限公司 | A kind of soft soil foundation ultra-deep forced-ventilated water consolidation structure |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110924420A (en) * | 2019-11-18 | 2020-03-27 | 清华大学 | Composite foundation for treating underwater soft soil foundation based on rapid prepressing consolidation |
US11525231B2 (en) | 2020-11-09 | 2022-12-13 | Ocean University Of China | Double-spiral-tube structure, grouting and pile forming device and construction method for strengthening soft soil |
CN116729555A (en) * | 2023-08-15 | 2023-09-12 | 中国石油大学(华东) | Resolidified suction anchor and use method thereof |
CN116729555B (en) * | 2023-08-15 | 2023-11-21 | 中国石油大学(华东) | Resolidified suction anchor and use method thereof |
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