CN102636574A - Pressure-bearing type acoustic detection probe used for engineering - Google Patents

Pressure-bearing type acoustic detection probe used for engineering Download PDF

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Publication number
CN102636574A
CN102636574A CN2012101033338A CN201210103333A CN102636574A CN 102636574 A CN102636574 A CN 102636574A CN 2012101033338 A CN2012101033338 A CN 2012101033338A CN 201210103333 A CN201210103333 A CN 201210103333A CN 102636574 A CN102636574 A CN 102636574A
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CN
China
Prior art keywords
pressure
engineering
probe
bearing
pore
Prior art date
Application number
CN2012101033338A
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Chinese (zh)
Inventor
俞缙
蔡燕燕
陈旭
陈荣淋
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华侨大学
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Application filed by 华侨大学 filed Critical 华侨大学
Priority to CN2012101033338A priority Critical patent/CN102636574A/en
Publication of CN102636574A publication Critical patent/CN102636574A/en

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Abstract

The invention provides a pressure-bearing type acoustic detection probe used for the engineering, which comprises a probe body, wherein the probe body is provided with pore water through holes, and grooves are regularly distributed on the pressure-bearing surface of the probe body and are communicated with the pore water through holes. Through adoption of the technical scheme, the pressure-bearing type acoustic detection probe used for the engineering is characterized in that the grooves regularly distributed on the pressure-bearing surface of the pressure-bearing type acoustic detection probe can correspond to pore cracks randomly distributed in and on the surface of the tested engineering materials such as rock, and the grooves are communicated with the pore water through holes. Compared with the prior art, the pressure-bearing type acoustic detection probe used for the engineering has the advantages that the pressure-bearing surface construction form of the traditional probe is broken through, the defect that the pore water through holes of the traditional probe can not correspond to the pore cracks randomly distributed on the engineering materials such as rocks is overcome, so that water can evenly and effectively penetrate into the pore cracks; therefore, the pore crack distribution and extension characteristics of the engineering materials such as rocks under the condition that a stress field and a seepage field are coupled can be more scientifically and reasonably researched.

Description

A kind of engineering is popped one's head in the sounding of pressure-bearing infiltration type

Technical field

The present invention relates to the proving installation of construction material field tests, be specifically related to a kind of engineering and pop one's head in the sounding of pressure-bearing infiltration type based on the rock triaxial test system.

Background technology

In the engineering test field; In order to study that the hole crack of construction material such as rock under stress field and seepage field coupling situation distributes and characteristic such as expansion; Need triaxial test that parameters such as the sonic transmissions speed of construction materials such as rock and water permeability are tested; At the trial; Be required to be three servo test system configuration, one cover pressure-bearing infiltration type sounding probe, promptly in order to satisfy testing requirements, except the need such as strength and stiffness of popping one's head in are complementary with construction materials such as three servo test mechanisms and rocks; Probe need possess outside the sonic sensor of functions such as having sound wave emissions and reception, and probe also will possess the function of the construction materials of being tested such as rock being carried out infiltration pore water.

In order to make test findings meet the objective characteristic of construction materials self such as rock more; To draw objective and accurate infiltration result, need ask corresponding coupling of the infiltration lane in probe and the construction material sample such as rock should meet the distribution characteristics in the hole crack of construction materials such as rock as far as possible.

Because of the inside of construction materials such as rock and the hole crack that is formed at the surface are random distribution; And present existing pressure-bearing infiltration type sounding probe its be used to carry the pore water through hole of infiltration water to be arranged on the center of the pressure-bearing surface of probe more; Not corresponding with the hole crack of construction material stochastic distribution such as rock; Water can not evenly be permeated in the hole crack effectively; Cause to draw objective and accurate permeability test result, and then influence the overall reliability of whole threeaxis test results, distribute and extended attribute to such an extent as to can not study the hole crack of construction material such as rock under stress field and seepage field coupling situation scientifically and rationally.

Summary of the invention

The object of the present invention is to provide a kind of engineering to pop one's head in the sounding of pressure-bearing infiltration type; It can make water evenly permeate effectively in the hole crack of construction materials such as rock, and then can study the hole crack of construction material such as rock under stress field and seepage field coupling situation scientifically and rationally and distribute and extended attribute.

In order to achieve the above object, the present invention adopts such technical scheme:

A kind of engineering comprises the probe body with pressure-bearing infiltration type sounding probe, and said probe body has the pore water through hole, and the pressure-bearing surface rule of said probe body is laid with groove, said groove and said pore water through hole UNICOM.

Above-mentioned probe body is cylindric, and above-mentioned groove is annular concentric and radially is crisscross arranged.

Above-mentioned pore water through hole is laid in the intersection point place of above-mentioned groove.

The pressure-bearing surface of above-mentioned probe body is with permeable pad.

Above-mentioned probe body has the sound wave transducing head.

Above-mentioned sound wave transducing head comprises sonic sensor, piezoelectric ceramics and the signal wire that work is connected.

After adopting technique scheme; Engineering of the present invention is popped one's head in the sounding of pressure-bearing infiltration type; The groove that its pressure-bearing surface rule is laid can be corresponding with the hole crack of the inside of construction materials such as rock to be tested and surperficial stochastic distribution; And groove and the pore water through hole UNICOM that is used to carry infiltration water, promptly water is further dredged diffusion through the pore water through hole by the water stream channel that groove forms, and then permeates all sidedly in the hole crack of construction materials such as rock; Compared with prior art; Engineering of the present invention breaks through the pressure-bearing surface structural form of tradition probe with pressure-bearing infiltration type sounding probe, overcome the tradition probe the pore water through hole can not with the corresponding defective in hole crack of construction material stochastic distribution such as rock; Water can evenly be permeated in the hole crack effectively, can make people study hole crack distribution and the extended attributes of construction material under stress field and seepage field coupling situation such as rock more scientifically and rationally.

Further, permeable pad can carry out the diffusion of infiltration type to water, and further improving next, water permeates the degree of uniformity in the hole crack of construction materials such as rock.

Description of drawings

Fig. 1 is a partial cutaway diagrammatic sketch of the present invention;

Fig. 2 is a pressure-bearing surface structural representation of the present invention.

Among the figure:

1-probe body 11-pore water through hole

12-groove 121-annular groove

The permeable pad of 122-radial groove 13-

2-sound wave transducing head 21-sonic sensor

22-piezoelectric ceramics 23-signal wire

Embodiment

In order further to explain technical scheme of the present invention, set forth in detail through specific embodiment below.

A kind of engineering of the present invention is with pressure-bearing infiltration type sounding probe, and is as illustrated in fig. 1 and 2, comprises probe body 1.

Probe body 1 has the pore water through hole 11 that is used to carry infiltration water; Improvements are to pop one's head in, and rule is laid with groove 12 on the pressure-bearing surface of body 1; And groove 12 and pore water through hole 11 UNICOMs; The water that 12 pairs of grooves are flowed through behind the pore water through hole 11 is dredged diffusion uniformly, and then improves water and permeate all even degree of functioning in the hole crack of construction materials such as rock.

In order further to strengthen the mediation diffusion effect of 12 pairs of water of groove, preferably, on the pressure-bearing surface of cylindrical probe body 1, groove 12 is arranged to by concentric annular groove 121 and radial groove 122 staggered forms.

In order to improve the cooperating performance of pore water through hole 11 and groove 12, the mediation diffusion effect that further strengthens 12 pairs of water of groove more preferably, pore water through hole 11 is laid in the intersection point place of annular groove 121 and radial groove 122, is the form that the multiple spot hinge is uniformly distributed with.

In order water to be carried out infiltration type diffusion, improve further next that water permeates the degree of uniformity in the hole crack of construction materials such as rock, preferably, on the pressure-bearing surface of probe body 1, set up permeable pad 13.

In order to realize the sounding function, probe body 1 also is equipped with sound wave transducing head 2, but and sound wave transducing head 2 preferably include sonic sensor 21, the piezoelectric ceramics 22 that the mode of employing cooperating is connected together and supply the signal wire 23 of signal transmission.

Engineering of the present invention is popped one's head in the sounding of pressure-bearing infiltration type and is used for the testing experiment of construction materials such as rock; When test; Water is dredged diffusion by groove in the pore water through hole gets into the water stream channel of groove formation, water penetrates into permeable pad uniformly afterwards; And after carrying out the diffusion of infiltration type through permeable pad, next water can evenly penetrate in the hole crack of construction materials such as rock to be tested by nature effectively; When needing, cooperate above-mentioned penetration testing to drive the sound wave transducing head in good time and come sound transmission characteristics etc. to test construction materials such as rocks.

Engineering of the present invention is with pressure-bearing infiltration type sounding probe, but sonic sensor, piezoelectric ceramics and signal wire cooperating and reach sound wave transducing effect; The sound wave transducing head also can adopt other to be applicable to the sound wave transducing head of construction material field tests such as rock; Permeable spacer has the effect of infiltration water, and it should have the characteristics such as strength and stiffness that are complementary with construction materials such as probe or rocks; The pore water through hole also can require conversion to lay form according to actual; The distribution form of groove also can require to adjust and design according to reality.

Product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out the suitable variation or the modification of similar thinking to it, all should be regarded as not breaking away from patent category of the present invention.

Claims (6)

1. an engineering comprises the probe body with pressure-bearing infiltration type sounding probe, and said probe body has the pore water through hole, it is characterized in that: the pressure-bearing surface rule of said probe body is laid with groove, said groove and said pore water through hole UNICOM.
2. a kind of engineering according to claim 1 is with pressure-bearing infiltration type sounding probe, and it is characterized in that: above-mentioned probe body is cylindric, and above-mentioned groove is annular concentric and radially is crisscross arranged.
3. a kind of engineering according to claim 2 is with pressure-bearing infiltration type sounding probe, and it is characterized in that: above-mentioned pore water through hole is laid in the intersection point place of above-mentioned groove.
4. pop one's head in the sounding of pressure-bearing infiltration type according to claim 1,2 or 3 described a kind of engineerings, it is characterized in that: the pressure-bearing surface of above-mentioned probe body is with permeable pad.
5. pop one's head in the sounding of pressure-bearing infiltration type according to claim 1,2 or 3 described a kind of engineerings, it is characterized in that: above-mentioned probe body has the sound wave transducing head.
6. a kind of engineering according to claim 5 is with pressure-bearing infiltration type sounding probe, and it is characterized in that: above-mentioned sound wave transducing head comprises sonic sensor, piezoelectric ceramics and the signal wire that work is connected.
CN2012101033338A 2012-04-10 2012-04-10 Pressure-bearing type acoustic detection probe used for engineering CN102636574A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2012101033338A CN102636574A (en) 2012-04-10 2012-04-10 Pressure-bearing type acoustic detection probe used for engineering

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CN102636574A true CN102636574A (en) 2012-08-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308388A (en) * 2013-05-27 2013-09-18 华侨大学 Active or passive combined acoustic testing and seepage testing combined system for rock triaxial test
CN105510447A (en) * 2015-12-03 2016-04-20 中国石油天然气股份有限公司 Mounting device for acoustic emission sensor for hydrofracture simulation experiment
CN107228815A (en) * 2017-05-16 2017-10-03 绍兴文理学院 A kind of three axle rock mass permeability tests multi-function terminal cap system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265461A (en) * 1991-03-19 1993-11-30 Exxon Production Research Company Apparatuses and methods for measuring ultrasonic velocities in materials
US5679885A (en) * 1993-07-29 1997-10-21 Institut Francais Du Petrole Process and device for measuring physical parameters of porous fluid wet samples
CN201110844Y (en) * 2007-10-23 2008-09-03 西南石油大学 Rock core vertical and horizontal wave velocity measuring probe
CN201298013Y (en) * 2008-11-27 2009-08-26 山东科技大学 Rock pervasion experiment pressure head based on servo test system
CN101907608A (en) * 2010-07-02 2010-12-08 浙江大学 Adaptive overflow type seal shoe for ultrasonic probe
CN201724733U (en) * 2010-07-15 2011-01-26 宋文梅 Shear wave velocity detector for triaxial apparatus
CN202599914U (en) * 2012-04-10 2012-12-12 华侨大学 Pressure-bearing permeable type sound testing probe for engineering

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5265461A (en) * 1991-03-19 1993-11-30 Exxon Production Research Company Apparatuses and methods for measuring ultrasonic velocities in materials
US5679885A (en) * 1993-07-29 1997-10-21 Institut Francais Du Petrole Process and device for measuring physical parameters of porous fluid wet samples
CN201110844Y (en) * 2007-10-23 2008-09-03 西南石油大学 Rock core vertical and horizontal wave velocity measuring probe
CN201298013Y (en) * 2008-11-27 2009-08-26 山东科技大学 Rock pervasion experiment pressure head based on servo test system
CN101907608A (en) * 2010-07-02 2010-12-08 浙江大学 Adaptive overflow type seal shoe for ultrasonic probe
CN201724733U (en) * 2010-07-15 2011-01-26 宋文梅 Shear wave velocity detector for triaxial apparatus
CN202599914U (en) * 2012-04-10 2012-12-12 华侨大学 Pressure-bearing permeable type sound testing probe for engineering

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王桃桃: "新型真三轴仪改进及饱和砂土力学特性测试分析", 《中国优秀硕士学位论文全文数据库》, 31 December 2010 (2010-12-31) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103308388A (en) * 2013-05-27 2013-09-18 华侨大学 Active or passive combined acoustic testing and seepage testing combined system for rock triaxial test
CN105510447A (en) * 2015-12-03 2016-04-20 中国石油天然气股份有限公司 Mounting device for acoustic emission sensor for hydrofracture simulation experiment
CN107228815A (en) * 2017-05-16 2017-10-03 绍兴文理学院 A kind of three axle rock mass permeability tests multi-function terminal cap system

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Application publication date: 20120815