CN107328921A - A kind of grout sleeve grouting material plumpness detection means and method - Google Patents

A kind of grout sleeve grouting material plumpness detection means and method Download PDF

Info

Publication number
CN107328921A
CN107328921A CN201710332850.5A CN201710332850A CN107328921A CN 107328921 A CN107328921 A CN 107328921A CN 201710332850 A CN201710332850 A CN 201710332850A CN 107328921 A CN107328921 A CN 107328921A
Authority
CN
China
Prior art keywords
grouting
pump
grout sleeve
automatic gauge
mrow
Prior art date
Application number
CN201710332850.5A
Other languages
Chinese (zh)
Other versions
CN107328921B (en
Inventor
韦永斌
曹振
Original Assignee
中国建筑股份有限公司
北京中建柏利工程技术发展有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国建筑股份有限公司, 北京中建柏利工程技术发展有限公司 filed Critical 中国建筑股份有限公司
Priority to CN201710332850.5A priority Critical patent/CN107328921B/en
Publication of CN107328921A publication Critical patent/CN107328921A/en
Application granted granted Critical
Publication of CN107328921B publication Critical patent/CN107328921B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01N33/38Concrete; ceramics; glass; bricks

Abstract

The invention discloses a kind of grout sleeve grouting material plumpness detection means and method, the device includes barometer, hydraulic ga(u)ge, automatic gauge grouting pump, pump joint and control module;Barometer, hydraulic ga(u)ge and automatic gauge grouting pump are connected with control module;The hydraulic ga(u)ge is arranged on the plasma discharge hole of the grout sleeve;The pump joint is connected and is arranged on the injected hole of the grout sleeve with automatic gauge grouting pump, and steam vent is provided with the pump joint;Control module controls the grouting amount and slip casting number of times of automatic gauge grouting pump, and receives the feedback signal of hydraulic ga(u)ge.Grout sleeve grouting material plumpness detection means and method that the present invention is provided, its is rational in infrastructure, grouting material plumpness can be detected after grouting, and uncompacted situation is found in time, improves the safety and reliability of grout sleeve structure.The device is reusable without pre-buried detection sensor, easy to operate, has the advantages that comprehensive use cost is low.

Description

A kind of grout sleeve grouting material plumpness detection means and method
Technical field
The present invention relates to field of engineering building, more particularly to a kind of grout sleeve grouting material plumpness detection means and Method.
Background technology
With the fast development of assembled architecture, reinforcing bar grout sleeve interconnection technique is due to speed of application is fast, connection Intensity is more and more applied in large-scale civil construction project higher than parent material of reinforcement rebar, economic resistance to advantage of waiting so long.Filled in sleeve The plumpness situation of slurry directly influences the intensity of grout sleeve structure connection, and then may be brought sternly to structural safety Weight potential safety hazard.Therefore the detection to grout sleeve grouting material plumpness is particularly important.
At present, grout sleeve grouting material plumpness detection method mainly has ultrasonic method and pre-buried sensor method.
Ultrasonic wave energy attenuation after being propagated in two kinds of materials of sleeve and grouting material is fast, detect due to existing for ultrasound checking Shi Rongyi by grouting material material is uneven and the factor such as construction environment noise is influenceed, use cost is higher, at the construction field (site) in Feasibility is restricted;Due to there is complicated construction technique, sensor, once embedment sleeve can not be weighed the detection of pre-buried sensor method The shortcomings of using again, causes construction cost higher, it is difficult to promote the use of.
Therefore, the low grout sleeve grouting material plumpness inspection of a kind of simple operation of design, reliable operation, integrated application cost Apparatus and method are surveyed to have a very big significance.
The content of the invention
The purpose of the present invention is that there is provided a kind of grout sleeve grouting material plumpness detection means for above-mentioned technical problem And method, its is rational in infrastructure, reusable, easy to operate, has the advantages that comprehensive use cost is low, with extensive market Prospect and promotional value.
Technical scheme
In order to solve the above technical problems, a kind of grout sleeve grouting material plumpness detection means that the present invention is provided includes gas Pressure meter, hydraulic ga(u)ge, automatic gauge grouting pump, pump joint and control module;Barometer, hydraulic ga(u)ge and automatic gauge grouting pump and control Molding block is connected.
The hydraulic ga(u)ge is arranged on the plasma discharge hole of the grout sleeve;The pump joint is connected with automatic gauge grouting pump And on the injected hole of the grout sleeve, steam vent is provided with the pump joint;Control module controls automatic gauge The grouting amount and slip casting number of times of grouting pump, and receive the feedback signal of hydraulic ga(u)ge.
Further, the grout sleeve also includes sleeve, upper sealing-plug, lower sealing-plug, upper reinforcing bar, lower reinforcing bar, upper steel Muscle, lower reinforcing bar are through sleeve and are fixed respectively by upper sealing-plug, lower sealing-plug.
Further, the grouting material that the automatic gauge grouting pump is noted is identical with the grouting material in grout sleeve.
Further, the slip casting number of times of the automatic gauge grouting pump is no more than 10 times.
The invention also discloses a kind of grout sleeve grouting material plumpness detection method, it specifically includes following steps:
S1, assembles grout sleeve grouting material plumpness detection means, and control module control automatic gauge grouting pump passes through row Air in stomata discharge pump line, and read barometrical registration;
S2, closes steam vent, and control module control automatic gauge grouting pump injects one to grouting port successively by pump joint Determine the grouting material of volume, and record every time the value of hydraulic ga(u)ge after the volume of injection grouting material, every time injection grouting material;
S3, according to gas balance equations, it is determined that the bubble volume corresponding to injection grouting material every time;
S4, according to bubble cumulative volume formula, calculates the bubble cumulative volume V contained by the grouting material in grout sleeve;
Further, in step s 2, the slip casting number of times of automatic gauge grouting pump is no more than 10 times.
Further, in step s3, gas balance equations are:
In formula, P is barometrical registration, and Pi is the registration of hydraulic ga(u)ge after injection grouting material every time, and Vi is that injection is filled every time Bubble volume note corresponding to slurry, Li is the volume that automatic gauge grouting pump injects grouting material to grouting port successively, and n is automatic Measure the number of times of grouting pump slip casting.
Further, in step s 4, gas balance equations are:
In formula, Vi is the bubble volume note corresponding to injection grouting material every time, and n is time of automatic gauge grouting pump slip casting Number.
Beneficial effect of the present invention:
A kind of grout sleeve grouting material plumpness detection means and method that the present invention is provided, its is rational in infrastructure, Neng Gou Grouting material plumpness is detected after grouting, uncompacted situation is found in time, improve grout sleeve structure security and Reliability.The device is reusable without pre-buried detection sensor, easy to operate, has the advantages that comprehensive use cost is low.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned advantage of the invention will be apparent and be easier reason Solution, these accompanying drawings are schematical, are not intended to limit the present invention, wherein:
Fig. 1 is the structural representation of the present invention.
In accompanying drawing, the part representated by each label is as follows:
1. control module;2. barometer;3. hydraulic ga(u)ge;4. automatic gauge grouting pump;5. pump joint;6. steam vent;7. note Starch sleeve;8. on sealing-plug;9. lower sealing-plug;10. on reinforcing bar;11. lower reinforcing bar;12. injected hole;13. plasma discharge hole;14. grouting Material;15. bubble.
Embodiment
With reference to specific embodiments and the drawings to the present invention a kind of grout sleeve grouting material plumpness detection means and Method is described in detail.
The embodiment recorded herein is the specific embodiment of the present invention, the design for illustrating the present invention, It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious The other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part And its correlation.It note that between the structure of each part for the ease of clearly showing the embodiment of the present invention, each accompanying drawing Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Fig. 1 is a kind of structural representation of grout sleeve grouting material plumpness detection means of the present invention, and it includes gas Pressure meter 2, hydraulic ga(u)ge 3, automatic gauge grouting pump 4, pump joint 5 and control module 1.
The grout sleeve also includes sleeve 7, upper sealing-plug 8, lower sealing-plug 9, upper reinforcing bar 10, lower reinforcing bar 11, upper reinforcing bar 10th, lower reinforcing bar 11 is through sleeve 7 and is fixed respectively by upper sealing-plug 8, lower sealing-plug 9.
Barometer 2, hydraulic ga(u)ge 3 and automatic gauge grouting pump 4 are connected with control module 1;The hydraulic ga(u)ge 3 is arranged on described On the plasma discharge hole 13 of grout sleeve;The pump joint 5 is connected with automatic gauge grouting pump 4 and installed in the note of the grout sleeve Starch on hole 12, steam vent 6 is provided with the pump joint 5.
The grouting amount and slip casting number of times of the control automatic gauge of control module 1 grouting pump 4, and receive the feedback letter of hydraulic ga(u)ge 3 Number.
The grouting material that the automatic gauge grouting pump 4 is noted is identical with the grouting material 14 in grout sleeve, to avoid to filling Starch the influence of the grouting material 14 in sleeve.
The slip casting number of times of the automatic gauge grouting pump 4 is no more than 10 times, to ensure that grout sleeve grouting material plumpness is examined The reliability of survey.
Present invention also offers a kind of grout sleeve grouting material plumpness detection method, it specifically includes following steps:
S1, assembles grout sleeve grouting material plumpness detection means, and the control automatic gauge of control module 1 grouting pump 4 passes through Air in the discharge pump line of steam vent 6, and read the registration of barometer 2;
S2, closes steam vent 6, the control automatic gauge of control module 1 grouting pump 4, by pump joint 5 successively to grouting port 12 The grouting material of certain volume is injected, and records every time the value of hydraulic ga(u)ge 3 after the volume of injection grouting material, every time injection grouting material;
In step s 2, the slip casting number of times of automatic gauge grouting pump 4 is no more than 10 times, to ensure that grout sleeve grouting material is satisfied The reliability of full scale detection.
S3, according to gas balance equations, it is determined that the bubble volume corresponding to injection grouting material every time;
In step s3, gas balance equations are:
In formula, P is barometrical registration, and Pi is the registration of hydraulic ga(u)ge after injection grouting material every time, and Vi is that injection is filled every time Bubble volume note corresponding to slurry, Li is the volume that automatic gauge grouting pump injects grouting material to grouting port successively, and n is automatic Measure the number of times of grouting pump slip casting.
S4, according to bubble cumulative volume formula, calculates the bubble cumulative volume V contained by the grouting material in grout sleeve;
In step s 4, gas balance equations are:
In formula, Vi is the bubble volume note corresponding to injection grouting material every time, and n is time of automatic gauge grouting pump slip casting Number.
Compared to the shortcoming and defect of prior art, the present invention can be used for the multiplicating of grout sleeve grouting material plumpness Detection, reliability is high, easy to operate without pre-buried detection sensor, and comprehensive use cost is low, can find that grouting material is satisfied in time Full scale situation, improves the safety and reliability of grout sleeve structure.
The present invention is not limited to the above-described embodiments, and anyone can draw other various forms under the enlightenment of the present invention Product, it is every that there is technical side identical or similar to the present application however, make any change in its shape or structure Case, is within the scope of the present invention.

Claims (8)

1. a kind of grout sleeve grouting material plumpness detection means, it is characterised in that including barometer (2), hydraulic ga(u)ge (3), from Dynamic metering grouting pump (4), pump joint (5) and control module (1);Barometer (2), hydraulic ga(u)ge (3) and automatic gauge grouting pump (4) It is connected with control module (1);The hydraulic ga(u)ge (3) is arranged on the plasma discharge hole (13) of the grout sleeve;The pump joint (5) It is connected and on the injected hole (12) of the grout sleeve, is set on the pump joint (5) with automatic gauge grouting pump (4) There is steam vent (6);The grouting amount and slip casting number of times of control module (1) control automatic gauge grouting pump (4), and receive hydraulic ga(u)ge (3) feedback signal.
2. grout sleeve grouting material plumpness detection means according to claim 1, it is characterised in that the grout sleeve is also Including sleeve (7), upper sealing-plug (8), lower sealing-plug (9), upper reinforcing bar (10), lower reinforcing bar (11), upper reinforcing bar (10), lower reinforcing bar (11) it is through sleeve (7) and fixed by upper sealing-plug (8), lower sealing-plug (9) respectively.
3. grout sleeve grouting material plumpness detection means according to claim 1, it is characterised in that the automatic gauge note The grouting material that stock pump (4) is noted is identical with the grouting material (14) in grout sleeve.
4. grout sleeve grouting material plumpness detection means according to claim 1, it is characterised in that the automatic gauge note The slip casting number of times of stock pump (4) is no more than 10 times.
5. a kind of grout sleeve grouting material plumpness detection method, it is characterised in that comprise the following steps:
S1, assembles grout sleeve grouting material plumpness detection means, and control module (1) control automatic gauge grouting pump (4) passes through Air in steam vent (6) discharge pump line, and read the registration of barometer (2);
S2, closes steam vent (6), control module (1) control automatic gauge grouting pump (4), by pump joint (5) successively to slip casting Mouth (12) injects the grouting material of certain volume, and records every time hydraulic ga(u)ge after the volume of injection grouting material, each injection grouting material (3) value;
S3, according to gas balance equations, it is determined that the bubble volume corresponding to injection grouting material every time;
S4, according to bubble cumulative volume formula, calculates the bubble cumulative volume V contained by the grouting material in grout sleeve.
6. grout sleeve grouting material plumpness detection method according to claim 5, it is characterised in that in step s 2, from The slip casting number of times of dynamic metering grouting pump (4) is no more than 10 times.
7. grout sleeve grouting material plumpness detection method according to claim 5, it is characterised in that in step s3, gas Body equilibrium equation is:
<mrow> <msub> <mi>PV</mi> <mi>i</mi> </msub> <mo>=</mo> <msub> <mi>P</mi> <mi>i</mi> </msub> <mrow> <mo>(</mo> <msub> <mi>V</mi> <mi>i</mi> </msub> <mo>-</mo> <munderover> <mi>&amp;Sigma;</mi> <mn>1</mn> <mi>n</mi> </munderover> <msub> <mi>L</mi> <mi>i</mi> </msub> <mo>)</mo> </mrow> <mo>,</mo> <mo>(</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> <mo>~</mo> <mi>n</mi> </mrow> <mo>)</mo> </mrow>
In formula, P is barometrical registration, and Pi is the registration of hydraulic ga(u)ge after injection grouting material every time, and Vi is injection grouting material every time Corresponding bubble volume note, Li is the volume that automatic gauge grouting pump injects grouting material to grouting port successively, and n is automatic gauge The number of times of grouting pump slip casting.
8. grout sleeve grouting material plumpness detection method according to claim 5, it is characterised in that in step s 4, gas Body equilibrium equation is:
<mrow> <mi>V</mi> <mo>=</mo> <mfrac> <mrow> <msubsup> <mi>&amp;Sigma;</mi> <mn>1</mn> <mi>n</mi> </msubsup> <msub> <mi>V</mi> <mi>i</mi> </msub> </mrow> <mi>n</mi> </mfrac> <mo>,</mo> <mrow> <mo>(</mo> <mi>i</mi> <mo>=</mo> <mn>1</mn> <mo>~</mo> <mi>n</mi> <mo>)</mo> </mrow> </mrow>
In formula, Vi is the bubble volume note corresponding to injection grouting material every time, and n is the number of times of automatic gauge grouting pump slip casting.
CN201710332850.5A 2017-05-11 2017-05-11 A kind of grout sleeve grouting material plumpness detection device and method Active CN107328921B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710332850.5A CN107328921B (en) 2017-05-11 2017-05-11 A kind of grout sleeve grouting material plumpness detection device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710332850.5A CN107328921B (en) 2017-05-11 2017-05-11 A kind of grout sleeve grouting material plumpness detection device and method

Publications (2)

Publication Number Publication Date
CN107328921A true CN107328921A (en) 2017-11-07
CN107328921B CN107328921B (en) 2019-11-19

Family

ID=60192836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710332850.5A Active CN107328921B (en) 2017-05-11 2017-05-11 A kind of grout sleeve grouting material plumpness detection device and method

Country Status (1)

Country Link
CN (1) CN107328921B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884516A (en) * 2017-11-29 2018-04-06 中国建筑科学研究院 Prefabricated concrete structure grout sleeve node checks and accepts device and its application method
CN108414433A (en) * 2018-01-05 2018-08-17 东南大学 A kind of device and method of detection concrete structure inner sleeve grouting plumpness
CN108519306A (en) * 2018-04-16 2018-09-11 刘明亮 The detection device of Grouted density in a kind of grout sleeve
CN108801843A (en) * 2018-05-30 2018-11-13 宁波联城住工科技有限公司 The closely knit device for detecting performance of grout sleeve grouting and its detection method
CN108827825A (en) * 2018-05-30 2018-11-16 广州建设工程质量安全检测中心有限公司 Grouting material compactness inspection system and detection method in a kind of reinforced bar sleeve
CN108828197A (en) * 2018-05-30 2018-11-16 宁波联城住工科技有限公司 For detecting the pH value detection device and its detection method of grouting material
CN108918310A (en) * 2018-03-28 2018-11-30 昆山市建设工程质量检测中心 A method of detection prefabricated concrete structure middle sleeve grouting material solid strength
CN109030279A (en) * 2018-05-31 2018-12-18 宁波联城住工科技有限公司 A kind of detection method of reinforcing bar grout sleeve grouting quality
CN109444389A (en) * 2018-12-28 2019-03-08 杨春白雪 A kind of sleeve grouting plumpness observer and observation method
CN109856191A (en) * 2019-01-04 2019-06-07 西南交通大学 A method of detection sleeve grouting quality
CN110514263A (en) * 2019-08-25 2019-11-29 唐昌辉 Standard curve is established to the detection method of grout sleeve pulp noodle height
CN111075119A (en) * 2020-01-03 2020-04-28 北方工业大学 Grouting sleeve for quality monitoring of fabricated building node, monitoring device, monitoring system, method and application
WO2020135484A1 (en) * 2018-12-25 2020-07-02 浙江大学 Device and method for detecting density of grouts in connecting structure of steel sleeve

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201217890Y (en) * 2008-06-05 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Nested grouting reinforced steel coupling sleeve
CN104865352A (en) * 2015-05-28 2015-08-26 中国建筑第八工程局有限公司 Detection method and detection structure for grouting density of prefabricated part
CN105223343A (en) * 2015-10-19 2016-01-06 北京智博联科技股份有限公司 A kind of vibration transducer detecting prefabricated concrete structure reinforced bar sleeve grouting plumpness
CN105929108A (en) * 2016-04-12 2016-09-07 浙江省交通工程建设集团有限公司 Inspection method of prestressed duct grouting quality
CN106124569A (en) * 2016-08-30 2016-11-16 北京智博联科技股份有限公司 A kind of for measuring the reinforced bar sleeve grouting probe of plumpness and method
CN106483041A (en) * 2016-11-14 2017-03-08 济南轨道交通集团有限公司 Apparatus and method based on the absorptive test xoncrete structure packing of concrete
CN106501495A (en) * 2016-10-21 2017-03-15 河海大学 The detection means and detection method of grouting material degree of compaction in a kind of sleeve
CN206074493U (en) * 2016-08-26 2017-04-05 湖南联智桥隧技术有限公司 A kind of hole path pressure grouting degree of compaction monitoring device
CN106596298A (en) * 2015-11-10 2017-04-26 安徽建筑大学 Sleeve grouting compactness detection device and detection method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201217890Y (en) * 2008-06-05 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Nested grouting reinforced steel coupling sleeve
CN104865352A (en) * 2015-05-28 2015-08-26 中国建筑第八工程局有限公司 Detection method and detection structure for grouting density of prefabricated part
CN105223343A (en) * 2015-10-19 2016-01-06 北京智博联科技股份有限公司 A kind of vibration transducer detecting prefabricated concrete structure reinforced bar sleeve grouting plumpness
CN106596298A (en) * 2015-11-10 2017-04-26 安徽建筑大学 Sleeve grouting compactness detection device and detection method
CN105929108A (en) * 2016-04-12 2016-09-07 浙江省交通工程建设集团有限公司 Inspection method of prestressed duct grouting quality
CN206074493U (en) * 2016-08-26 2017-04-05 湖南联智桥隧技术有限公司 A kind of hole path pressure grouting degree of compaction monitoring device
CN106124569A (en) * 2016-08-30 2016-11-16 北京智博联科技股份有限公司 A kind of for measuring the reinforced bar sleeve grouting probe of plumpness and method
CN106501495A (en) * 2016-10-21 2017-03-15 河海大学 The detection means and detection method of grouting material degree of compaction in a kind of sleeve
CN106483041A (en) * 2016-11-14 2017-03-08 济南轨道交通集团有限公司 Apparatus and method based on the absorptive test xoncrete structure packing of concrete

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884516A (en) * 2017-11-29 2018-04-06 中国建筑科学研究院 Prefabricated concrete structure grout sleeve node checks and accepts device and its application method
CN108414433A (en) * 2018-01-05 2018-08-17 东南大学 A kind of device and method of detection concrete structure inner sleeve grouting plumpness
CN108918310A (en) * 2018-03-28 2018-11-30 昆山市建设工程质量检测中心 A method of detection prefabricated concrete structure middle sleeve grouting material solid strength
CN108519306A (en) * 2018-04-16 2018-09-11 刘明亮 The detection device of Grouted density in a kind of grout sleeve
CN108801843A (en) * 2018-05-30 2018-11-13 宁波联城住工科技有限公司 The closely knit device for detecting performance of grout sleeve grouting and its detection method
CN108827825A (en) * 2018-05-30 2018-11-16 广州建设工程质量安全检测中心有限公司 Grouting material compactness inspection system and detection method in a kind of reinforced bar sleeve
CN108828197A (en) * 2018-05-30 2018-11-16 宁波联城住工科技有限公司 For detecting the pH value detection device and its detection method of grouting material
CN109030279A (en) * 2018-05-31 2018-12-18 宁波联城住工科技有限公司 A kind of detection method of reinforcing bar grout sleeve grouting quality
WO2020135484A1 (en) * 2018-12-25 2020-07-02 浙江大学 Device and method for detecting density of grouts in connecting structure of steel sleeve
CN109444389A (en) * 2018-12-28 2019-03-08 杨春白雪 A kind of sleeve grouting plumpness observer and observation method
CN109856191A (en) * 2019-01-04 2019-06-07 西南交通大学 A method of detection sleeve grouting quality
CN110514263A (en) * 2019-08-25 2019-11-29 唐昌辉 Standard curve is established to the detection method of grout sleeve pulp noodle height
CN111075119A (en) * 2020-01-03 2020-04-28 北方工业大学 Grouting sleeve for quality monitoring of fabricated building node, monitoring device, monitoring system, method and application

Also Published As

Publication number Publication date
CN107328921B (en) 2019-11-19

Similar Documents

Publication Publication Date Title
CN103882894B (en) Prestressed concrete pipe pile horizontal bearing characteristic test model and test method
Bossart et al. Geological and hydraulic characterisation of the excavation disturbed zone in the Opalinus Clay of the Mont Terri Rock Laboratory
Ljunggren et al. An overview of rock stress measurement methods
Fairhurst Stress estimation in rock: a brief history and review
CN106353120B (en) Simulate the experimental rig and method of tunnel internal water pressure
CN102707034B (en) Indoor model testing device and testing method employing air-pressure splitting vacuum preloading method
Peila et al. Screw conveyor device for laboratory tests on conditioned soil for EPB tunneling operations
AU2013101531A4 (en) Deep softrock geostress test method and device based on flow stress recovery principle
CN103293560B (en) A kind of method of testing adopting triple stress court
CN201007871Y (en) Water-keeping mining solid-liquid coupling three-dimensional physical analog test stand
CN203100704U (en) Pressed pile shape and pile length ultrasonic detection device
CN105716960B (en) Excavation of foundation pit model test apparatus under complicated groundwater environment
CN103215974B (en) Foundation pile deflection measurement method based on distributed fiber sensing technique
CN103487373B (en) slope crack monitoring device and measuring method thereof
CN103953074A (en) Opened tubular pile hammering injection and static load simulation experiment device and method
CN101354334B (en) System for measuring in-situ small-sized permeability coefficient based on transient pressure pulse method
CN107063963A (en) A kind of compact reservoir microcrack extension and the test device and method of seepage flow characteristics
CN102011415A (en) Method and device for detecting strain/stress of pile body by prestress pipe file field static load test
CN100464176C (en) Self-balancing static load measuring method for pile
CN101832993B (en) Semi-module test box for dynamic compaction reinforced foundation model test
CN103215975B (en) Inbuilt method for distributed type sensing cable in foundation pile
CN202494442U (en) Stratum layering and settlement measuring device
Zeigler Determination of rock mass permeability
CN106153478B (en) A kind of impact type consolidation object intensity measuring device and its method
CN103821183B (en) A kind of soil body of simulating is dashed forward and is gushed the test unit of breakoff phenomenon and rule

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant