CN110031369A - The underwater slurry shield mud film of bad ground forms simulator and analogy method - Google Patents

The underwater slurry shield mud film of bad ground forms simulator and analogy method Download PDF

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Publication number
CN110031369A
CN110031369A CN201910427364.0A CN201910427364A CN110031369A CN 110031369 A CN110031369 A CN 110031369A CN 201910427364 A CN201910427364 A CN 201910427364A CN 110031369 A CN110031369 A CN 110031369A
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CN
China
Prior art keywords
mud
water
water tank
storehouse
shield
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CN201910427364.0A
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Chinese (zh)
Inventor
张健
周中
刘五一
刘撞撞
秦坤元
常彦博
姜克寒
张磊
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Central South University
Sinohydro Bureau 8 Co Ltd
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Central South University
Sinohydro Bureau 8 Co Ltd
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Priority to CN201910427364.0A priority Critical patent/CN110031369A/en
Publication of CN110031369A publication Critical patent/CN110031369A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/04Investigating osmotic effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The invention discloses a kind of underwater slurry shield mud films of bad ground to form simulator, including native case, semicircle shield shell and power loading system, native case and shield shell are made of transparent material, power loading system provides driving force to be mixed with the mud of fluorescent powder in muddy water storehouse, the excess pore water pressure monitoring holes for being connected to U-tube manometer are equipped in native case positioned at the front of cutterhead, is additionally provided on native case and provides the constant head simulator of constant head for it;The side wall that native case is equipped with shield shell is equipped with the graduated scale parallel with shield columella line, and the bottom of native case is equipped with the drainage hole that graduated cylinder is connected to by drainpipe, and drainpipe is equipped with drain valve.The device can control Different Strata condition, simulated mud, grouting pressure, grouting amount etc. and carry out the simulation of slurry shield grouting system, and the parameters such as soil body excess pore water pressure carry out mud film and form researching and analysing for effect in front of measurement mud drainage amount, mud film thickness and mud film.

Description

The underwater slurry shield mud film of bad ground forms simulator and analogy method
Technical field
The invention belongs to Shield Construction Technique fields more particularly to a kind of underwater slurry shield mud film of bad ground to form mould Quasi- device and analogy method.
Background technique
With the continuous development that urban rail transit in China is built, there is the constructing tunnel of more and more complex conditions, Constructing tunnel etc. under such as submerged tunnel, proximity existing tunnel and architecture construction, sandy gravel complex geological condition.Mud and water balance Shield has many advantages, such as that construction safety, construction disturbance are small, applicability is wide, is widely used in the high hydraulic pressure of research and permeates complicated geological by force Under the conditions of constructing tunnel.The core of slurry balance shield constructing tunnel is exactly to pass through slip casting to form one layer of cause in front of excavation face Close mud film guarantees to excavate face stability so that mud pressure effectively to be acted on to the Water And Earth Pressures on excavation face balance stratum. And the requirement that shield tunnel construction underwater for bad ground forms effect to mud film is higher, therefore how in complex geological condition Simulated mud, grouting pressure and the grouting amount etc. that selection can form fine and close mud film are the problem of numerous engineering staffs pay close attention to. And test is sampled to mud film by construction site to be related to working procedure more, it is uneconomical, it is unfavorable for going deep into carrying out mud The research of effect can be formed to mud film under different geological conditions.
Patent 2015109384764 discloses a kind of experimental provision formed for simulating shield mud film, and the present invention is to mud Each monitoring parameters changing rule of film forming process and slurry penetration situation and mud film properties qualitative parameter are summarized and analyzed, and are looked for The principal element that the effective mud film of mud balanced shield is formed is influenced out, is stablized for mud Pressure Shield Tunnel face and is provided reliably Experimental basis.
Patent 2017109040525 discloses a kind of slurry shield indoor simulation mole and its analogy method, this is specially The applicable geological condition of benefit is extensive, comprehensive to the dynamic driving simulation of slurry shield, and the monitoring of multi-angle, test can be carried out to stratum As a result technical support can be provided for the stabilization in digging in-situ face, boring parameter and simulated mud.
But the mud film that above-mentioned patent can not simulate underwater slurry shield tunnel forms effect, and observes the shape of mud film It is needed after slip casting at situation, digs out experiment soil layer, taken out mud film, be more troublesome, be easily destroyed mud film, it cannot be real-time Observe the permeation pathway of the formational situation and mud of mud film in experiment soil layer.Therefore how to design under a kind of complex geological condition Indoor slurry shield tunnel slip casting simulation system is the engineering problem of urgent need to resolve.
Summary of the invention
The application aims to solve at least one of the technical problems existing in the prior art.For this purpose, an object of the present invention It is to provide a kind of underwater slurry shield mud film formation simulator of bad ground.The device can control Different Strata condition, Simulated mud, grouting pressure, grouting amount etc. carry out the simulation of slurry shield grouting system, measurement mud drainage amount, mud film thickness and The parameters such as soil body excess pore water pressure carry out mud film and form researching and analysing for effect in front of mud film.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of underwater slurry shield mud film formation simulator of bad ground, including native case, semicircle shield shell and power add Loading system, the shield shell are fixedly mounted on the inner sidewall of the native case, and the front end of the shield shell is equipped with cutterhead, and inside is formed with Muddy water storehouse, the soil case and shield shell are made of transparent material, and the power loading system is to be mixed with fluorescence in the muddy water storehouse The mud of powder provides driving force, and the excess pore water for being connected to U-tube manometer is equipped with positioned at the front of the cutterhead in the soil case Pressure monitoring hole is additionally provided with and provides the constant head simulator of constant head for it on the soil case;The soil case is equipped with shield shell Side wall is equipped with the graduated scale parallel with shield columella line, and the bottom of the soil case is equipped with the draining that graduated cylinder is connected to by drainpipe Hole, the drainpipe are equipped with drain valve.
Further, the constant head simulator includes the first water tank, the second water tank and suction pump, first water tank The lower section of second water tank is set, the water outlet of second water tank by water inlet pipe be connected to the native box top into The mouth of a river, the side of second water tank are equipped with the overflow port for being connected to first water tank, and first water tank passes through suction pump Water in it is pumped to and is equipped with inlet valve with second water tank, the water inlet pipe.
Further, the inner cavity of the shield shell is divided into the muddy water storehouse of front side and the air pressure storehouse of rear side by piston, described The side wall in muddy water storehouse is equipped with injected hole, and the injected hole is connected to grouting equipment by Grouting Pipe.
Further, the side wall in the air pressure storehouse is equipped with air inlet, and the power loading system includes air compressor, The air inlet is connected to the air compressor by air inlet pipe, and the air pressure storehouse is equipped with air gauge, in the air inlet pipe Equipped with pressure regulator valve.
Further, the cutterhead is equipped with permeability hole and its inside is equipped with strainer.
Further, the shield shell is made of organic glass, and flat face utilizes epoxy gluing on native case.
Further, the stop valve that position locking is carried out to piston is additionally provided on the shield shell.
Further, sandy gravel filtering layer is equipped in native bottom portion.
Further, the native case is square.
A kind of analogy method that the underwater slurry shield mud film of bad ground is formed, using above-mentioned simulator, feature exists In including the following steps:
Step 1: the drainage hole in native bottom portion is connected to graduated cylinder by drainpipe, and closes drain valve, cutterhead is installed In the front end of shield shell, excess pore water pressure monitoring holes are connect with U-tube manometer, and close U-tube manometer valve;
Step 2: filling one layer of sandy gravel filtering layer in native bottom portion, is then charged into test soil layer and is compacted;It will be native by top plate Constant head simulator is closed and be connected to case, closes the inlet valve on water inlet pipe.
Step 3: injecting water in the first water tank, opens suction pump, the water tank in the first water tank is pumped to the second water tank Interior and overflow;Inlet valve is opened, the water flow in the second water tank is made to bury in case, until testing soil layer saturation in native case;Then it beats Begin to rehearse water valve, adjusts the height of drainpipe and graduated cylinder, until just there is no water to flow into graduated cylinder for drainpipe;
Step 4: piston position is carried out by locking by stop valve, opens air compressor, is arranged using pressure regulator valve predetermined The air pressure of size makes air pressure be transmitted to air pressure storehouse by air inlet, observes air gauge, guarantees that the air pressure of air pressure storehouse reaches required value;
Step 5: will prepare the mud completed and inject muddy water storehouse by mud tube and injected hole, will after muddy water storehouse is filled with Injected hole seals, and then opens the U-tube manometer valve on excess pore water pressure monitoring holes;
Step 6: closing lock valve, records the time started with stopwatch, the air pressure in air pressure storehouse is made to be transmitted to muddy water by piston In storehouse, the grouting pressure of predefined size is formed, mud is permeated by the permeability hole on cutterhead to cutterhead front experiment soil layer, Mud film is formed in front of cutterhead;
Step 7: mud is permeated into experiment soil layer, records mud drainage amount using graduated cylinder at regular intervals, reads U The pore water pressure of U-tube manometer each excess pore water pressure monitoring hole location, until mud drainage amount and U-tube manometer When stable reading, show that fine and close mud film is formed, the thickness and mud of the mobile distance of piston and mud film are read by graduated scale Seepage distance is starched, slurry consumption is calculated;Finally, take out mud film and mud film is put into baking oven measurement mud film moisture content, after, By after test soil layer and sandy gravel filtering layer remove, so far a test is just fully finished.
The underwater slurry shield mud film of bad ground by adopting the above technical scheme forms simulator, passes through ordinary water connector analog Head control in native case is saturated the test soil body in native case in stable height by device, will be prepared through grouting system Mud injects muddy water storehouse by injected hole, closes injected hole and opens air compressor, is formed by pressure regulator valve in air pressure storehouse constant Air pressure, open stop valve, by moveable piston, given mud pressure provided to the mud in muddy water storehouse, mud is logical It crosses hole on cutterhead and enters experiment soil layer, form mud film in front of cutterhead, mud film thickness, shield front are recorded by measuring system Soil body excess pore water pressure and mud drainage amount form effect for convenience of mud film is observed, and the present invention is by stratum and shield machine along right Claim axis to cut, according to the fluorescent powder mixed in mud in advance, take wherein half studied, according to being mixed in mud in advance Fluorescent powder, can realize the original of mud film forming process clearly in permeation pathway of the native case side observation mud in soil sample Position observation.
In conclusion the present invention is that a kind of simple possible effectively studies the underwater slurry shield mud film of bad ground and forms mould Quasi- device, can control Different Strata condition, edpth of tunnel, simulated mud, grouting pressure, grouting amount and cutterhead aperture opening ratio etc. The research that slurry shield mud film forms effect is carried out, construction simulation scene complex geological condition, device selects energy through the invention Simulated mud, grouting pressure and the grouting amount of fine and close mud film are formed on this stratum, the selection for construction site mud parameter provides Foundation has stronger engineering adaptability and application prospect.Can also to different simulated muds, performance parameter and grouting parameter into Row single factor test or orthogonal test analysis carry out mud property, grouting parameter etc. and form effect progress to slurry shield tunnel mud film Qualitative and quantitative scientific research.
Detailed description of the invention
Fig. 1 is main view of the invention;
Fig. 2 is side view of the invention;
Fig. 3 is power loading system schematic diagram;
Fig. 4 is native case and shield shell connection schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, a kind of underwater slurry shield mud film of bad ground forms simulator, including native case 1, semicircle Shape shield shell 7 and power loading system, shield shell 7 are fixedly mounted on the inner sidewall of native case 1, and the front end of shield shell 7 is equipped with cutterhead 10, knife Disk 10 is equipped with permeability hole and its inside is equipped with strainer 29, and muddy water storehouse 9 is formed with inside shield shell 7, and power loading system is muddy water The mud 30 that fluorescent powder is mixed in storehouse 9 provides driving force, is equipped in native case 1 positioned at the front of cutterhead 10 and is connected to U-tube manometer 21 excess pore water pressure monitoring holes 4 are additionally provided on native case 1 and provide the constant head simulator of constant head for it;Native case 1 is equipped with The side wall of shield shell 7 is equipped with the graduated scale 13 parallel with 7 axis of shield shell, and the bottom of native case 1, which is equipped with, passes through the drainpipe amount of being connected to The drainage hole 2 of cylinder, drainpipe are equipped with drain valve 19, and native case 1 and semicircle shield shell 7 are all made of transparent material production, so as to Mud film forming process is observed with facilitating, transparent material can choose organic glass or plastics etc..
Referring to Fig. 1, constant head simulator includes the first water tank 15, the second water tank 16 and suction pump 17, the first water tank 15 The lower section of second water tank 16 is set, the water outlet of the second water tank 16 is connected to the water inlet 3 at native 1 top of case by water inlet pipe, The side of second water tank 16 is equipped with the overflow port for being connected to the first water tank 15, and the first water tank 15 passes through suction pump 17 for the water in it It is pumped to and is equipped with inlet valve 18 with the second water tank 16, water inlet pipe.
Referring to Fig. 1 and Fig. 3, the inner cavity of shield shell 7 is divided into the muddy water storehouse 9 of front side and the air pressure storehouse 8 of rear side by piston 28, The stop valve 12 that position locking is carried out to piston 28 is additionally provided on shield shell 7.The side wall in muddy water storehouse 9 is equipped with injected hole 5, injected hole 5 are connected to grouting equipment by Grouting Pipe 14, and the side wall in air pressure storehouse 8 is equipped with air inlet 6, and power loading system includes air pressure Contracting machine 25, air inlet 6 are connected to air compressor 25 by air inlet pipe 27, and air pressure storehouse 8 is equipped with air gauge 11, passes through air gauge Air pressure size in 11 pairs of air pressure storehouses 8 measures, and air inlet pipe 27 is equipped with pressure regulator valve 26, to adjust charge flow rate.
By stratum and shield machine, vertically symmetry axis is cut the application, take wherein half studied, according in advance in mud The fluorescent powder mixed in slurry clearly can observe forming process, the mud of the progress mud film with slip casting in native case side in real time The permeation pathway of film thickness and mud in soil sample, without after slip casting, digging out experiment soil layer, take out mud film into Row observation, may be implemented the home position observation of mud film, and the formational situation and mud that can observe mud film in real time are in experiment soil layer Permeation pathway.
Referring to fig. 4, shield shell 7 is made of organic glass, and flat face utilizes epoxy gluing on native case 1, native case 1 For square box, square box is surrounded and is formed by four blocks of side plates, top plate and bottom plate.
Excess pore water pressure monitoring holes 4 are arranged in rows on the native case in front of cutterhead, every row's excess pore water pressure monitoring holes 4 Including four holes arranged perpendicular to shield columella line, spacing between row and row uses 100mm, is then bolted U-shaped Pressure gauge, compared with burying pore pressure gauge in soil layer in the prior art, U-tube manometer is high with precision, response is fast, surveys The advantages that discharge amplitude is wide, cheap, reliable and stable, and replacement soil layer does not need to remove measuring device every time, it is easy to operate It is convenient, it is more suitable the underwater shield tunnel pore water pressure measurement of high hydraulic pressure;And pore pressure gauge cost is higher, volume compared with Greatly, generally it is chiefly used in the measurement of engineering actual field, for experimental provision, each measuring point spacing is smaller, is not suitable for embedding pore water pressure Power meter.
Referring to figures 1-4, the analogy method that a kind of underwater slurry shield mud film of bad ground is formed, is filled using above-mentioned simulation It sets, which comprises the steps of:
Step 1: the drainage hole 2 of native 1 bottom of case is connected to graduated cylinder 20 by drainpipe, and closes drain valve 19, by knife Disk 10 is mounted on the front end of shield shell 7, excess pore water pressure monitoring holes 4 is connect with U-tube manometer 21, and close U-tube manometer Valve;
Step 2: filling one layer of sandy gravel filtering layer 22 in native 1 bottom of case, is then charged into test soil layer 23 and is compacted;Pass through top The second water tank 16 is closed and be connected to native case 1 by plate, closes the inlet valve 18 on water inlet pipe.
Step 3: injecting water in the first water tank 15, opens suction pump 17, and the water tank in the first water tank 15 is pumped to the Simultaneously overflow in two water tanks 16;Inlet valve 18 is opened, the water flow in the second water tank 16 is made to bury in case 1, until testing soil in native case 1 Layer saturation;Then drain valve 19 is opened, the height of drainpipe and graduated cylinder 20 is adjusted, until just there is no water influxs for drainpipe In cylinder 20;
Step 4: 28 position of piston is carried out by locking by stop valve 12, air compressor 25 is opened, utilizes pressure regulator valve 26 The air pressure of predefined size is set, by air inlet 6, air pressure is made to be transmitted to air pressure storehouse 8, observes air gauge 11, guarantee 8 gas of air pressure storehouse Pressure reaches required value;
Step 5: will prepare the mud 30 completed and injected in muddy water storehouse 9 by mud tube 14 and injected hole 5,9 quilt of muddy water storehouse After filling, injected hole 5 is sealed, then opens the U-tube manometer valve on excess pore water pressure monitoring holes 4;
Step 6: closing lock valve 12, and piston 28 moves under gas pressure towards 10 direction of cutterhead, is opened with stopwatch record Begin the time, be transmitted to the air pressure in air pressure storehouse 8 in muddy water storehouse 9 by piston, form the grouting pressure of predefined size, mud 30 is logical Cross the permeability hole on cutterhead 10, to cutterhead 10 in front of experiment soil layer 23 permeate, in front of cutterhead 10 formed mud film 24;
Step 7: mud 30 is permeated into experiment soil layer 23, records mud drainage amount using graduated cylinder 20 at regular intervals, The pore water pressure at each 4 position of excess pore water pressure monitoring holes of U-tube manometer 21 is read, until mud drainage amount and U-shaped When the stable reading of pressure gauge 21, show the fine and close formation of mud film 24, the mobile distance of piston 28 is directly read by graduated scale And the thickness and slurry penetration distance of mud film, slurry consumption is calculated using the mobile distance of piston 28;Finally, taking out mud film 24 and mud film is put into baking oven measurement mud film moisture content, after, by after test soil layer and sandy gravel filtering layer remove, so far one A test is just fully finished.It is injected separately into the mud of configured different performance, repeats above-mentioned test procedure.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out It is dynamic to be still in the protection scope of this invention.

Claims (10)

1. a kind of underwater slurry shield mud film of bad ground forms simulator, including native case, semicircle shield shell and power load System, the shield shell are fixedly mounted on the inner sidewall of the native case, and the front end of the shield shell is equipped with cutterhead, and inside is formed with mud Sump, the soil case and shield shell are made of transparent material, it is characterised in that: the power loading system is in the muddy water storehouse The mud for being mixed with fluorescent powder provides driving force, is equipped in the soil case positioned at the front of the cutterhead and is connected to U-tube manometer Excess pore water pressure monitoring holes are additionally provided with and provide the constant head simulator of constant head for it on the soil case;The soil case is set There is the side wall of shield shell to be equipped with the graduated scale parallel with shield columella line, the bottom of the soil case, which is equipped with, passes through the drainpipe amount of being connected to The drainage hole of cylinder, the drainpipe are equipped with drain valve.
2. simulator according to claim 1, it is characterised in that: the constant head simulator include the first water tank, The lower section of second water tank is arranged in second water tank and suction pump, first water tank, and the water outlet of second water tank is logical The water inlet that water inlet pipe is connected to the native box top is crossed, the side of second water tank, which is equipped with, is connected to first water tank Water in it is pumped to by suction pump and is equipped with second water tank, the water inlet pipe by overflow port, first water tank Inlet valve.
3. simulator according to claim 2, it is characterised in that: the inner cavity of the shield shell is divided into front side by piston Muddy water storehouse and rear side air pressure storehouse, the side wall in the muddy water storehouse is equipped with injected hole, and the injected hole passes through Grouting Pipe connection To grouting equipment.
4. simulator according to claim 3, it is characterised in that: the side wall in the air pressure storehouse is equipped with air inlet, institute Stating power loading system includes air compressor, and the air inlet is connected to the air compressor, the gas by air inlet pipe Storehouse is pressed to be equipped with air gauge, the air inlet pipe is equipped with pressure regulator valve.
5. simulator according to claim 4, it is characterised in that: the cutterhead is equipped with permeability hole and its inside is equipped with Strainer.
6. simulator according to claim 5, it is characterised in that: the shield shell is made of organic glass, and straight Face is using epoxy gluing on native case.
7. simulator according to claim 4, it is characterised in that: be additionally provided on the shield shell and carry out position lock to piston Fixed stop valve.
8. simulator according to claim 4, it is characterised in that: be equipped with sandy gravel filtering layer in native bottom portion.
9. simulator according to claim 4, it is characterised in that: the soil case is square.
10. a kind of analogy method that the underwater slurry shield mud film of bad ground is formed, described in any item using claim 4-9 Simulator, which comprises the steps of:
Step 1: the drainage hole in native bottom portion is connected to graduated cylinder by drainpipe, and closes drain valve, cutterhead is mounted on shield Excess pore water pressure monitoring holes connect with U-tube manometer, and close U-tube manometer valve by the front end of shell;
Step 2: filling one layer of sandy gravel filtering layer in native bottom portion, is then charged into test soil layer and is compacted;Native case is sealed by top plate Constant head simulator is closed and be connected to, the inlet valve on water inlet pipe is closed.
Step 3: injecting water in the first water tank, opens suction pump, the water tank in the first water tank is pumped in the second water tank simultaneously Overflow;Inlet valve is opened, the water flow in the second water tank is made to bury in case, until testing soil layer saturation in native case;Then the row of opening Water valve adjusts the height of drainpipe and graduated cylinder, until just there is no water to flow into graduated cylinder for drainpipe;
Step 4: piston position is carried out by locking by stop valve, opens air compressor, predefined size is set using pressure regulator valve Air pressure so that air pressure is transmitted to air pressure storehouse by air inlet, observe air gauge, guarantee that the air pressure of air pressure storehouse reaches required value;
Step 5: the mud completed will be prepared, muddy water storehouse is injected by mud tube and injected hole, after muddy water storehouse is filled with, by slip casting Hole seals, and then opens the U-tube manometer valve on excess pore water pressure monitoring holes;
Step 6: closing lock valve, records the time started with stopwatch, the air pressure in air pressure storehouse is made to be transmitted to muddy water storehouse by piston In, the grouting pressure of predefined size is formed, mud is by the permeability hole on cutterhead, to cutterhead front experiment soil layer infiltration, in knife Mud film is formed in front of disk;
Step 7: mud is permeated into experiment soil layer, is recorded mud drainage amount using graduated cylinder at regular intervals, is read U-shaped pressure The pore water pressure of each excess pore water pressure monitoring hole location of power meter, until the reading of mud drainage amount and U-tube manometer When stablizing, show that fine and close mud film is formed, is seeped by thickness and mud that graduated scale reads the mobile distance of piston and mud film Saturating distance, calculates slurry consumption;Finally, take out mud film and mud film is put into baking oven measurement mud film moisture content, after, it will try Soil layer and sandy gravel filtering layer after testing are removed, and so far a test is just fully finished.
CN201910427364.0A 2019-05-22 2019-05-22 The underwater slurry shield mud film of bad ground forms simulator and analogy method Pending CN110031369A (en)

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CN110456027A (en) * 2019-08-22 2019-11-15 江苏建筑职业技术学院 A kind of slurry shield knife cutting soil body generation mud membrane pilot unit contained
CN113030277A (en) * 2021-03-08 2021-06-25 广东工业大学 System and method for testing permeability damage and grouting injectability of surrounding rock of water-rich sand layer tunnel
CN113420482A (en) * 2021-06-24 2021-09-21 北京安捷工程咨询有限公司 Segment load orthogonal numerical inversion method based on structural internal force monitoring value

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CN105866337A (en) * 2016-04-21 2016-08-17 河海大学 Device and method for testing slurry shield excavation surface mud film formation and mud film air tightness under high pressure
CN106768838A (en) * 2016-12-08 2017-05-31 中铁十四局集团第二工程有限公司 A kind of complex condition pulp-water boundary moving tracing observation device and method
CN108072749A (en) * 2017-07-05 2018-05-25 同济大学 A kind of tunneling shield excavates high-precision seepage flow simulation by tracing experimental rig
CN107489426A (en) * 2017-09-29 2017-12-19 中铁隧道局集团有限公司 A kind of slurry shield lab simulation mole and its analogy method
CN207406343U (en) * 2017-09-29 2018-05-25 中铁隧道局集团有限公司 A kind of slurry shield indoor simulation mole
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CN109752248A (en) * 2019-01-22 2019-05-14 北京交通大学 The visual Simulation experimental rig and method of soil body muddy water splitting stretching process
CN109667589A (en) * 2019-02-01 2019-04-23 上海隧道工程有限公司 Ultra-deep stratum shield synchronization slip casting total cross-section visual Simulation experimental rig and method

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CN110456027A (en) * 2019-08-22 2019-11-15 江苏建筑职业技术学院 A kind of slurry shield knife cutting soil body generation mud membrane pilot unit contained
CN110456027B (en) * 2019-08-22 2021-12-31 江苏建筑职业技术学院 Test device for producing mud film by cutting soil body with cutter head of mud shield
CN113030277A (en) * 2021-03-08 2021-06-25 广东工业大学 System and method for testing permeability damage and grouting injectability of surrounding rock of water-rich sand layer tunnel
CN113420482A (en) * 2021-06-24 2021-09-21 北京安捷工程咨询有限公司 Segment load orthogonal numerical inversion method based on structural internal force monitoring value

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