CN106248558A - Fill big particle diameter rubber lamellar body and hit device for testing permeability coefficient and the method for real soil - Google Patents

Fill big particle diameter rubber lamellar body and hit device for testing permeability coefficient and the method for real soil Download PDF

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Publication number
CN106248558A
CN106248558A CN201610899077.6A CN201610899077A CN106248558A CN 106248558 A CN106248558 A CN 106248558A CN 201610899077 A CN201610899077 A CN 201610899077A CN 106248558 A CN106248558 A CN 106248558A
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China
Prior art keywords
water tank
soil
particle diameter
compaction cylinder
big particle
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CN201610899077.6A
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CN106248558B (en
Inventor
崔新壮
王磊
王忠啸
金青
张磊
崔社强
刘泽群
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Shandong University
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Shandong University
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806—Details, e.g. sample holders, mounting samples for testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample
    • G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change

Abstract

The invention discloses and a kind of fill big particle diameter rubber lamellar body and hit device for testing permeability coefficient and the method for real soil, including water tank, one support is set in described water tank, it is equipped with one layer of geotechnique at described cradle top to weave cotton cloth, described geotechnique weaves cotton cloth and is arranged over the compaction cylinder of bottomless uncovered, and the bottom of described compaction cylinder weaved cotton cloth clamping by a draw-in groove and geotechnique, the lower sidewall of described water tank is provided with main drainpipe, the end of described main drainpipe is provided with a multiple contour and concordant drain pipe, it is used for containing soil sample at described compaction cylinder, and a water pressure sensor being connected with data handling system at the cross-section of river of soil sample top, it is equipped with water tank bottom.

Description

Fill big particle diameter rubber lamellar body and hit device for testing permeability coefficient and the method for real soil
Technical field
The present invention relates to one and hit real soil device for testing permeability coefficient, especially relate to the big particle diameter rubber lamellar body of a kind of admixture Hit device for testing permeability coefficient and the method for testing of real soil, belong to field of civil engineering.
Background technology
According to research both at home and abroad, junked tire lamellar body (Tire-Derived Aggregate, the letter of a size of 50～300mm Claim TDA) lightweight, water penetration is strong, antifreeze and antidetonation, it is adaptable to as reinforcement abutment on soft foundation, side slope, the filling out of roadbed Material, constructs and keeps in repair speed soon, low cost.
The utilization rate to big particle diameter junked tire lamellar body for convenience of construction and raising, material-taking on-site has carried out series of experiments Checking, the compound soil body of such big particle diameter junked tire lamellar body of admixture, through correct proportioning, can meet engineering and use after hitting in fact The requirement of material, but its permeance property just need to can apply in Practical Project through strict test determination.
At present, the instrument kind and the test method that measure infiltration coefficient are a lot.For measuring the instrument of infiltration coefficient, because of existing Some permeameteres generally exist in the test shortcomings, and domestic project such as size size less, that can measure is limited and utilize The example filling the big particle diameter sheet rubber bluk recombination soil body is little, and this soil sample size is relatively big, therefore invents that a set of energy is simple, is System, determine and fill big particle diameter rubber lamellar body and hit the large-scale determinator of infiltration coefficient and the assay method of real soil accurately, be The most necessary.
Summary of the invention
The invention provides a kind of big particle diameter rubber lamellar body of admixture that measures and hit the test device and method of real soil infiltration coefficient, The advantage of this device: simple structure, easy to operate, hit real infiltration integration, in the case of not disturbing compacted soil samples, can be direct Utilize large-scale compaction test cylinder itself can hit real soil infiltration coefficient by the Accurate Determining big particle diameter rubber lamellar body of admixture as infiltration instrument.
The present invention realizes its first invention and is adopted the technical scheme that:
A kind of fill big particle diameter rubber lamellar body and hit the device for testing permeability coefficient of real soil, including water tank, at described water tank One support is inside set, is equipped with one layer of geotechnique at described cradle top and weaves cotton cloth, described geotechnique weave cotton cloth be arranged over bottomless The compaction cylinder of uncovered, and the bottom of described compaction cylinder weaved cotton cloth clamping by a draw-in groove and geotechnique, the sidewall of described water tank Bottom is provided with main drainpipe, and the end of described main drainpipe is provided with multiple contour and concordant drain pipe, described in hit reality Cylinder is used for containing at soil sample, and the soil sample top cross-section of river and is equipped with the water being connected with data handling system with water tank bottom Pressure transducer.
Further, described compaction cylinder, its volume and the most all than the volume of water tank and the least.
Further, a described drain pipe is in series with water valve.
Second invention of the present invention is to provide one and utilizes this device mensuration big particle diameter rubber lamellar body of admixture to hit real soil infiltration The method of testing of coefficient, this method of testing is easy to operate, can hit real soil infiltration coefficient by the Accurate Determining big particle diameter rubber lamellar body of admixture.
The present invention realizes its second invention and is adopted the technical scheme that: a kind of use said determination fills big particle diameter rubber Lamellar body hits the test device of real soil infiltration coefficient, measures and fills the method that big particle diameter hits real soil infiltration coefficient, the steps include:
Step 1 Preparatory work of experiment
The compound soil body filling big particle diameter rubber lamellar body is layered in compaction cylinder and hits real sample preparation, with draw-in groove at the bottom of compaction cylinder End and geotechnique weave cotton cloth clamping, are placed in water tank by, slowly add water to full in water tank, stand to soil sample immersion saturated；
Step 2 permeability test
Two water pressure sensors A, B are individually positioned in the compaction cylinder soil sample top cross-section of river and water tank bottom, suitably Regulate the water valve size of multiple drain pipies, control water tank and carry out permeability test with suitable drainage speed；Water pressure sensor The infiltration information input data processing system of collection is carried out information processing；
Step 3 osmotic coefficient investigating
In test, the dynamic change of sensor the real time measure hydraulic pressure, processes through data handling system, can dynamic by hydraulic pressure Change is output as the change of water level Δ h on compaction cylinder soil sample top1, the change of water level Δ h of water tank bottom2, and combine varying head test Method i.e. can obtain filling big particle diameter rubber lamellar body and hit the osmotic coefficient k of real soil.
Further, the calculation of described osmotic coefficient k is as follows:
k = 2.3 L t 2 - t 1 a A 1 - A 2 l g Δh 2 Δh 1 ;
In formula, a compaction cylinder basal area；A1Water tank internal diameter area；A2Compaction cylinder external diameter area；L soil sample length； K infiltration coefficient；t1And t2Represent the different moment respectively.
Further, according to the data of data handling system output, draw with Δ h1For vertical coordinate, t is the Δ of abscissa h1T relation curve；With Δ h2For vertical coordinate, t is the Δ h of abscissa2T relation curve；By selected several groups of different values, Measure the time t that they are required respectively, calculate their osmotic coefficient k, then average, final as this soil sample Infiltration coefficient.
The operation principle of the present invention is as follows:
The method of test soil body osmotic coefficient mainly has test in situ and laboratory test two kinds, wherein from test principle Upper laboratory test can be divided into hydrostatic head method and variable water level method two kinds.Constant head test method is exactly holding water in whole experimentation Head is a constant, it is adaptable to measure the infiltration coefficient of the big sandy soil of water penetration；Variable water level method is exactly head one in experimentation Directly changing over, it is adaptable to measure the infiltration coefficient of the little cohesive soil of water penetration.Due to such compound soil body permeability test Middle water table gradient is less, and head is the least, and Darcy law is obeyed in the flowing of water, its water penetration between sandy soil and cohesive soil, Change in conjunction with head in Practical Project always, for based on Practical Project and conscientiously reflect admixture big particle diameter rubber lamellar body Hit the permeability of real soil, therefore this test method preferentially uses variable water level method.
Before on-test, it is immersed in water tank because of compaction cylinder always, records at the bottom of the compaction cylinder soil sample top cross-section of river, water tank The head in portion is equal；After on-test, because of the retardation of the compound soil body in permeability apparatus, the head on compaction cylinder soil sample top Changes delta h1It is significantly less than water tank bottom change of water level Δ h2；If any time t acts on the head at soil sample two ends in process of the test Difference is Δ h, is computed processing Δ h and can directly use Δ h1、Δh2Represent, i.e. Δ h=Δ h2-Δh1；After the dt period, hit reality Cylinder middle water level declines dh, then the seepage discharge flowing into soil sample in the dt time is:
dVe=adh
In formula, a compaction cylinder basal area.
Seepage discharge according to flowing out soil sample in Darcy's law, time is:
dV 0 = k i A d t = k Δ h L ( A 1 - A 2 ) d t
A=A1-A2
In formula, discharge section area between A compaction cylinder and water tank；A1Water tank internal diameter area；A2Compaction cylinder outer diameter face Long-pending；L soil sample length；K infiltration coefficient；
According to the current principle of continuity, should there is dVe=dV0, i.e.
a d h = k Δ h L ( A 1 - A 2 ) d t
d t = L k a A 1 - A 2 d h Δ h
Both members each integration
∫ t 1 t 2 d t = L k a A 1 - A 2 ∫ Δh 1 Δh 2 d h Δ h
t 2 - t 1 = L k a A 1 - A 2 l n Δh 2 Δh 1
Thus obtain the infiltration coefficient of soil
k = L t 2 - t 1 a A 1 - A 2 l n Δh 2 Δh 1
Use common logarithm instead to represent, then above formula can be written as
k = 2.3 L t 2 - t 1 a A 1 - A 2 l g Δh 2 Δh 1
Beneficial effects of the present invention is as follows:
The invention provides a kind of big particle diameter rubber lamellar body of admixture that measures and hit the test device and method of real soil infiltration coefficient, The advantage of this device: simple structure, easy to operate, hit real infiltration integration, in the case of not disturbing compacted soil samples, can be direct Utilize large-scale compaction test cylinder itself can hit real soil infiltration coefficient by the Accurate Determining big particle diameter rubber lamellar body of admixture as infiltration instrument.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to These accompanying drawings obtain other accompanying drawing.
Fig. 1 is the front view of permeability apparatus；
Fig. 2 is permeability apparatus top view；
In figure: 1 water tank, the compaction cylinder of 2 bottomless uncovereds, 3 draw-in grooves, 4 geotechniques weave cotton cloth, 5 supports, 6 main drainpipes, 7 drainings Pipe, 8 data handling systems, 9 collecting containers, A, B, water pressure sensor.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
At present, the method for test soil body osmotic coefficient mainly has test in situ and laboratory test two kinds, wherein from examination Test laboratory test in principle and can be divided into hydrostatic head method and variable water level method two kinds.Constant head test method is exactly in whole experimentation Keeping head is a constant, it is adaptable to measure the infiltration coefficient of the big sandy soil of water penetration；Variable water level method is exactly in experimentation Head is changing over always, it is adaptable to measure the infiltration coefficient of the little cohesive soil of water penetration.Owing to such compound soil body oozes In test, water table gradient is less thoroughly, and head is the least, and Darcy law is obeyed in the flowing of water, and its water penetration is between sandy soil and viscosity Between soil, change in conjunction with head in Practical Project always, for based on Practical Project and conscientiously reflect admixture big particle diameter Rubber lamellar body hits the permeability of real soil, and the test method of the present invention preferentially uses variable water level method.
For variable water level method, the invention discloses and a kind of fill big particle diameter rubber lamellar body and hit the infiltration coefficient test dress of real soil Put, including water tank 1, a support 5 is set in described water tank 1, be equipped with one layer of geotechnique at described support 5 top and weave cotton cloth 4, described geotechnique weaves cotton cloth 4 compaction cylinders 2 being arranged over bottomless uncovered, and the bottom of described compaction cylinder 2 is by a draw-in groove 3 Weaving cotton cloth 4 clampings with geotechnique, the lower sidewall of described water tank is provided with main drainpipe 5, and the end of described main drainpipe is provided with Multiple contour and concordant drain pipe 6, arrange collecting container 9 in a discharge outlet for a drain pipe 6, at a described drain pipe On be in series with water valve.It is used for containing at soil sample, and the soil sample top cross-section of river and water tank bottom is equipped with one at described compaction cylinder Individual water pressure sensor A and B being connected with data handling system 8.
Further, for compaction cylinder and water tank, it is desirable to the volume of compaction cylinder and the most all than volume and the height of water tank Little, it is immersed in all the time in water tank with compaction cylinder before ensureing draining.
Before on-test, it is immersed in water tank because of compaction cylinder always, records at the bottom of the compaction cylinder soil sample top cross-section of river, water tank The head in portion is equal；After on-test, because of the retardation of the compound soil body in permeability apparatus, the head on compaction cylinder soil sample top Changes delta h1It is significantly less than water tank bottom change of water level Δ h2；If any time t acts on the head at soil sample two ends in process of the test Difference is Δ h, is computed processing Δ h and can directly use Δ h1、Δh2Represent, i.e. Δ h=Δ h2-Δh1；After the dt period, hit reality Cylinder middle water level declines dh, then the seepage discharge flowing into soil sample in the dt time is:
dVe=adh
In formula, a compaction cylinder basal area.
Seepage discharge according to flowing out soil sample in Darcy's law, time is:
dV 0 = k i A d t = k Δ h L ( A 1 - A 2 ) d t
A=A1-A2
In formula, discharge section area between A compaction cylinder and water tank；A1Water tank internal diameter area；A2Compaction cylinder outer diameter face Long-pending；L soil sample length；K infiltration coefficient；
According to the current principle of continuity, should there is dVe=dV0, i.e.
a d h = k Δ h L ( A 1 - A 2 ) d t
d t = L k a A 1 - A 2 d h Δ h
Both members each integration
∫ t 1 t 2 d t = L k a A 1 - A 2 ∫ Δh 1 Δh 2 d h Δ h
t 2 - t 1 = L k a A 1 - A 2 l n Δh 2 Δh 1
Thus obtain the infiltration coefficient of soil
k = L t 2 - t 1 a A 1 - A 2 l n Δh 2 Δh 1
Use common logarithm instead to represent, then above formula can be written as
k = 2.3 L t 2 - t 1 a A 1 - A 2 l g Δh 2 Δh 1
Second invention of the present invention is to provide one and utilizes this device mensuration big particle diameter rubber lamellar body of admixture to hit real soil infiltration The method of testing of coefficient, this method of testing is easy to operate, can hit real soil infiltration coefficient by the Accurate Determining big particle diameter rubber lamellar body of admixture, Including herein below:
A, Preparatory work of experiment
The compound soil body filling big particle diameter rubber lamellar body is layered in compaction cylinder and hits real sample preparation, with draw-in groove at the bottom of compaction cylinder End and geotechnique weave cotton cloth clamping, are placed in water tank by bracing frame, slowly add water to full in water tank, stand to soil sample immersion full With.
B, permeability test
Two water pressure sensors A, B are individually positioned in the compaction cylinder soil sample top cross-section of river, water tank bottom, suitably adjust Save the water valve size of 3 outlet pipes, control water tank and carry out permeability test with suitable drainage speed.Water pressure sensor is connected After computer system, the infiltration information input data acquisition system of collection is carried out information processing, directly hit reality in this system Saturated soil sample prepared by cylinder, it is to avoid the disturbance to soil sample, measures the soil sample cross-section of river and the hydraulic pressure of water tank bottom in real time.
C, osmotic coefficient investigating
The dynamic change of test Computer the real time measure hydraulic pressure, through pressure measurement software processes, can be by the dynamic change of hydraulic pressure It is output as the change of water level Δ h on compaction cylinder soil sample top1, the change of water level Δ h of water tank bottom2, and combine varying head test method(s) i.e. Can obtain filling big particle diameter rubber lamellar body and hit the infiltration coefficient of real soil.
Concrete operating process is as follows:
(1) the compound soil body filling big particle diameter rubber lamellar body be layered in compaction cylinder and hits real sample preparation, hit reality with draw-in groove handle Cylinder bottom and geotechnique weaves cotton cloth clamping, is placed in water tank by bracing frame, slowly adds water to full in water tank, stands to soil sample and soaks Saturated.
(2) two water pressure sensors A, B are individually positioned in the compaction cylinder soil sample top cross-section of river, water tank bottom, connect Logical computer, starts hydraulic testing system.
(3) suitably the water valve size of outlet pipes is propped up in regulation 3, controls water tank and carries out infiltration examination with suitable drainage speed Test, it is desirable to the drainage speed of water tank can not be too fast, in order to avoid water is emptied before soil sample occurs infiltration by water tank, cause test failure.
(4) the dynamic of test Computer the real time measure hydraulic pressure changes every time, through the process of data collecting system, and can be by water The dynamically change of pressure is output as the dynamic change of head, i.e. records the change of water level Δ h on compaction cylinder soil sample top1, water tank bottom Change of water level Δ h2, and combine varying head test method(s) and i.e. can obtain filling big particle diameter rubber lamellar body and hit the infiltration coefficient of real soil.
Data processing method is as follows:
According to the data of computer pressure measuring system output, draw with Δ h1For vertical coordinate, t is the Δ h of abscissa1T relation Curve；With Δ h2For vertical coordinate, t is the Δ h of abscissa2T relation curve.By selected several groups of different values, measure it respectively Time t needed for, calculates their osmotic coefficient k, then averages, as the infiltration coefficient of this soil sample.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.

Claims (6)

1. the big particle diameter rubber lamellar body of admixture hits real native device for testing permeability coefficient, it is characterised in that include water tank, in institute One support is set in the water tank stated, is equipped with one layer of geotechnique at described cradle top and weaves cotton cloth, described geotechnique weave cotton cloth top It is provided with the compaction cylinder of bottomless uncovered, and weaved cotton cloth clamping by a draw-in groove and geotechnique in the bottom of described compaction cylinder, described water The lower sidewall of case is provided with main drainpipe, and the end of described main drainpipe is provided with a multiple contour and concordant drain pipe, Described compaction cylinder is used for containing at soil sample, and the soil sample top cross-section of river and water tank bottom is equipped with one and data handling system The water pressure sensor being connected.
2. the big particle diameter rubber lamellar body of admixture as claimed in claim 1 hits the device for testing permeability coefficient of real soil, it is characterised in that Described compaction cylinder, its volume and the most all than the volume of water tank and the least.
3. the big particle diameter rubber lamellar body of admixture as claimed in claim 1 hits the device for testing permeability coefficient of real soil, it is characterised in that A described drain pipe is in series with water valve.
4. utilize the device described in claim 3 to measure and fill the method that big particle diameter hits real soil infiltration coefficient, it is characterised in that bag Include following steps:
Step 1 Preparatory work of experiment
The compound soil body filling big particle diameter rubber lamellar body be layered in compaction cylinder and hits real sample preparation, with draw-in groove compaction cylinder bottom and Geotechnique weaves cotton cloth clamping, is placed in water tank by, slowly adds water to full in water tank, stands to soil sample immersion saturated；
Step 2 permeability test
Two water pressure sensors A, B are individually positioned in the compaction cylinder soil sample top cross-section of river and water tank bottom, suitably regulate The water valve size of multiple drain pipies, controls water tank and carries out permeability test with suitable drainage speed；Water pressure sensor will be adopted The infiltration information input data processing system of collection carries out information processing；
Step 3 osmotic coefficient investigating
In test, the dynamic change of sensor the real time measure hydraulic pressure, processes through data handling system, can be by the dynamic change of hydraulic pressure It is output as the change of water level Δ h on compaction cylinder soil sample top1, the change of water level Δ h of water tank bottom2, and combine varying head test method(s) i.e. Can obtain filling big particle diameter rubber lamellar body and hit the osmotic coefficient k of real soil.
5. utilizing the arbitrary described device of claim 4 to measure and fill the method that big particle diameter hits real soil infiltration coefficient, its feature exists In, the calculation of described osmotic coefficient k is as follows:
k = 2.3 L t 2 - t 1 a A 1 - A 2 lg Δh 2 Δh 1 ;
In formula, a compaction cylinder basal area；A1Water tank internal diameter area；A2Compaction cylinder external diameter area；L soil sample length；K oozes Coefficient thoroughly；t1And t2Represent the different moment respectively.
6. utilizing the arbitrary described device of claim 5 to measure and fill the method that big particle diameter hits real soil infiltration coefficient, its feature exists In,
According to the data of data handling system output, draw with Δ h1For vertical coordinate, t is the Δ h of abscissa1T relation curve； With Δ h2For vertical coordinate, t is the Δ h of abscissa2T relation curve；By selected several groups of different values, measure they institutes respectively The time t needed, calculates their osmotic coefficient k, then averages, as the final infiltration coefficient of this soil sample.
CN201610899077.6A 2016-10-14 2016-10-14 Compacting soil doped with large-particle-size rubber sheet permeability coefficient testing device and method Active CN106248558B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157425A (en) * 2020-01-08 2020-05-15 华东交通大学 Device and method for measuring permeability coefficient of granular ballast
CN115308110A (en) * 2022-08-09 2022-11-08 河南省地质调查院 Method and device for measuring permeability coefficient of variable water head

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103149143A (en) * 2013-03-04 2013-06-12 黄河水利委员会黄河水利科学研究院 Device and method for determining permeability coefficient of coarse-grained soil with super large grain size
CN103217371A (en) * 2013-04-08 2013-07-24 天津虹炎科技有限公司 Method for measuring filtration coefficient of oversized-grain-diameter coarse-grained soil
CN103498396A (en) * 2013-10-21 2014-01-08 山东大学 Method for processing roadbed by means of matching of waste tire piece bodies and reinforced soil
CN103792172A (en) * 2014-01-15 2014-05-14 山东农业大学 Pressurized variable water head permeameter
CN104614297A (en) * 2015-01-28 2015-05-13 广西大学 Geotechnical composite drainage material filter membrane horizontal seepage clogging discounting test device and test method thereof
CN105866005A (en) * 2016-05-23 2016-08-17 河海大学 Intelligent testing device for soil mass layered permeability characteristic analysis, measuring method and evaluation method
CN206459928U (en) * 2016-10-14 2017-09-01 山东大学 Fill the device for testing permeability coefficient that big particle diameter rubber lamellar body hits real soil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103149143A (en) * 2013-03-04 2013-06-12 黄河水利委员会黄河水利科学研究院 Device and method for determining permeability coefficient of coarse-grained soil with super large grain size
CN103217371A (en) * 2013-04-08 2013-07-24 天津虹炎科技有限公司 Method for measuring filtration coefficient of oversized-grain-diameter coarse-grained soil
CN103498396A (en) * 2013-10-21 2014-01-08 山东大学 Method for processing roadbed by means of matching of waste tire piece bodies and reinforced soil
CN103792172A (en) * 2014-01-15 2014-05-14 山东农业大学 Pressurized variable water head permeameter
CN104614297A (en) * 2015-01-28 2015-05-13 广西大学 Geotechnical composite drainage material filter membrane horizontal seepage clogging discounting test device and test method thereof
CN105866005A (en) * 2016-05-23 2016-08-17 河海大学 Intelligent testing device for soil mass layered permeability characteristic analysis, measuring method and evaluation method
CN206459928U (en) * 2016-10-14 2017-09-01 山东大学 Fill the device for testing permeability coefficient that big particle diameter rubber lamellar body hits real soil

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
苗强强等: "含黏砂土渗透系数的3种试验方法浅析", 《后勤工程学院学报》 *
高凌霞等: "非饱和重塑黏土渗透性试验研究", 《岩土力学》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157425A (en) * 2020-01-08 2020-05-15 华东交通大学 Device and method for measuring permeability coefficient of granular ballast
CN115308110A (en) * 2022-08-09 2022-11-08 河南省地质调查院 Method and device for measuring permeability coefficient of variable water head
CN115308110B (en) * 2022-08-09 2024-01-30 河南省地质调查院 Variable water head permeability coefficient determination method and device

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