CN106769445A - A kind of indoor static pressure perforation device for determining compression strength of building mortar - Google Patents
A kind of indoor static pressure perforation device for determining compression strength of building mortar Download PDFInfo
- Publication number
- CN106769445A CN106769445A CN201611051923.5A CN201611051923A CN106769445A CN 106769445 A CN106769445 A CN 106769445A CN 201611051923 A CN201611051923 A CN 201611051923A CN 106769445 A CN106769445 A CN 106769445A
- Authority
- CN
- China
- Prior art keywords
- vertical
- fixed
- lateral
- static pressure
- mortar
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0037—Generation of the force using mechanical means involving a rotating movement, e.g. gearing, cam, eccentric, or centrifuge effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0087—Resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to masonry mortar joint mortar compressive strength determination field, specifically a kind of indoor static pressure perforation device for determining compression strength of building mortar, including the base plate being fixed on pedestal, vertical and relative parallel two lateral risers being fixed on base plate, the cover plate being fixed between two lateral riser tops, the vertical vertical screw rod with horizontal handwheel for extending vertically through cover plate and coordinating with cover plate screw thread, it is installed on the vertical pressure sensor of vertical screw rod lower end, it is installed on the fixture of vertical pressure sensor lower end, be fixed on fixture lower section and its conehead towards lower shoe injection draw point.The present invention has the advantage that compared with prior art：The present invention realizes axial compressive force, penetrating power limiting value and depth of penetration and is determined while same device, so as to improve the accuracy and reliability of experiment.
Description
Technical field
It is specifically a kind of for determining mortar compressive the present invention relates to masonry mortar joint mortar compressive strength determination field
The indoor static pressure perforation device of intensity.
Background technology
At present, detection method of the China on compression strength of building mortar has a lot, existing country《The inspection of masonry project scene
Survey technology specification》There is masonry mortar detection method specified in GB50315-2011：Barrel-shaped mast, mortar piece shearing method, mortar is returned
Bullet method, puts lotus method and selects platen press.But, these methods due to exist need sample sample preparation, operation inconvenience and by influenceed because
The practical problem such as plain more, error is larger, the application during it is detected at the scene is not extensive.In fact, at the scene detect in compared with
For a kind of commonly used method is penetration method, the method performs People's Republic of China's professional standard《Penetration method detection is built by laying bricks or stones
Mortar compression strength technical regulation》JGJ/T136-2001.However, be there is also using Testing Compressive Strength of Masonry Mortar by Penetration Resistance
Many problems.Such as, mortar surface situation, smooth degree, human users, the difference of wall axial compressive force can be detected to penetration method
Bring sizable error；Detection range is general, especially for the masonry mortar compared with low-intensity and higher-strength, accuracy of detection
It is not high；Particularly penetration method detection depth is too small, can not truly react the intensity inside mortar joint mortar.
Based on this, a kind of brand-new experimental technique is had also been proposed --- static pressure penetration method.Its principle：Passed through first with static pressure
Enter static pressure penetrating power limiting value and corresponding depth of penetration value that instrument measures masonry mortar joint mortar；Then, by above-mentioned static pressure injection
Power limiting value and corresponding depth of penetration value substitute into mortar strength test curve, obtain the compression strength scaled value of masonry mortar.Static pressure
The maximum feature of penetration method is, to the tested masonry structure basic not damaged of component, and is the sand inside testing level mortar joint
Slurry intensity, influence factor is few during test.
However, on the one hand because static pressure penetration method is a kind of brand-new masonry mortar joint mortar strength detection method, laboratory
It is interior to be even used to determine static pressure penetrating power limiting value and corresponding depth of penetration value at present without corresponding special detection device；Separately
On the one hand, according to《Testing Compressive Strength of Masonry Mortar by Penetration Resistance technical regulation》The side recommended in JGJ/T136-2001 annex E
Method, using " test block --- masonry " mode, when drawing special strength curve, not only needs to build 240mm × 370mm × 960mm by laying bricks or stones
Large volume solid brick masonry test specimen（Reference《Masonry basic mechanical performance is tested》GBT50129-2011）, and without abundant
Consider influence of the axial compressive force to static pressure penetrating power and depth of penetration.According to above-mentioned engineering background, the present invention is based on static pressure injection
Method and specially devise a kind of indoor static pressure perforation device for detecting compression strength of building mortar, for determining masonry mortar joint
The static pressure penetrating power limiting value and corresponding depth of penetration of mortar, and can simultaneously consider the influence of axial compressive force, to mortar joint inside
The intensity of mortar is detected, and need not build the large volume solid brick masonry test specimen of 240mm × 370mm × 960mm by laying bricks or stones.
The content of the invention
The present invention is in order to solve the problems that existing Testing Compressive Strength of Masonry Mortar by Penetration Resistance is present, there is provided a kind of
Indoor static pressure perforation device for determining compression strength of building mortar.The detection means static pressure penetrating power limiting value is 3000N
（Ox）, the impulse stroke of injection draw point is 70mm, and detection range is big, simple to operate, reliable results, it is adaptable to detected in laboratory
Masonry mortar joint inside mortar strength.
The present invention is achieved by the following technical solutions：A kind of indoor static pressure for determining compression strength of building mortar
Perforation device, including the base plate being fixed on pedestal, vertical and relative parallel two lateral risers being fixed on base plate are fixed
Cover plate between two lateral riser tops, vertically extends vertically through cover plate and the erecting with horizontal handwheel coordinated with cover plate screw thread
To screw rod, the vertical pressure sensor of vertical screw rod lower end is installed on, is installed on the fixture of vertical pressure sensor lower end, it is fixed
In fixture lower section and its conehead towards lower shoe injection draw point,
Every piece of lateral riser bottom laterally extends vertically through be provided with a transverse screw respectively, and every transverse screw is corresponding and side
Coordinate to riser screw thread, the every transverse screw end outside lateral riser is equipped with vertical handwheel, in lateral riser
Every transverse screw end be equipped with transverse pressure sensor, on the base plate between two transverse pressure sensors vertically and
Relative laid parallel has two pieces of lateral rigidity backing plates, and two pieces of lateral rigidity backing plate outsides are provided with and respective transversal pressure sensor
The groove of spacing cooperation, cover plate lower section is fixed with the displacement meter for determining depth of penetration.
During specific implementation, the present invention needs same Static Electro for determining the indoor static pressure perforation device of compression strength of building mortar
Resistance deformeter（It is connected with displacement meter）And computer is used cooperatively.
The present invention has the advantage that compared with prior art：The present invention realizes axial compressive force, penetrating power limiting value
And depth of penetration is determined while same device, so as to improve the accuracy and reliability of experiment；Due to that can utilize
Single brick setting mortar joint that two blocks of common bricks are formed is used as subjects, the solid brick masonry examination larger without building volume by laying bricks or stones
Part, so as to reduce workload, simplifies process of the test, improves test efficiency.
Brief description of the drawings
Fig. 1 is of the present invention a kind of shows for determining the structure of the indoor static pressure perforation device of compression strength of building mortar
It is intended to.
In figure：1- base plates, the lateral risers of 2-, 3- cover plates, 4- transverse direction handwheels, the vertical screw rods of 5-, 6- vertical pressure sensors,
7- fixtures, 8- injection draw points, 9- transverse screws, the vertical handwheels of 10-, 11- transverse pressure sensors, 12- lateral rigidity backing plates,
13- displacement meters.
Specific embodiment
A kind of indoor static pressure perforation device for determining compression strength of building mortar, including the base plate being fixed on pedestal
1, vertical and relative parallel two lateral risers 2 being fixed on base plate 1, the cover plate being fixed between the top of two lateral riser 2
3, cover plate 3 and the vertical screw rod 5 with horizontal handwheel 4 coordinated with the screw thread of cover plate 3 are vertically extended vertically through, it is installed on vertical screw rod
The vertical pressure sensor 6 of 5 lower ends, is installed on the fixture 7 of the lower end of vertical pressure sensor 6, is fixed on the lower section of fixture 7 and it is bored
The injection draw point 8 of base plate 1 upside down,
Every piece of lateral bottom of riser 2 laterally extends vertically through be provided with a transverse screw 9 respectively, and every transverse screw 9 is corresponding
Coordinate with the screw thread of lateral riser 2, the end of every transverse screw 9 outside lateral riser 2 is equipped with vertical handwheel 10, positioned at side
Transverse pressure sensor 11 is equipped with to the end of every transverse screw 9 in riser 2, between two transverse pressure sensors 11
Base plate 1 on vertical and relative laid parallel have two pieces of lateral rigidity backing plates 12, two pieces of outsides of lateral rigidity backing plates 12 are provided with
With the groove of the spacing cooperation of respective transversal pressure sensor 11, the lower section of cover plate 3 is fixed with the displacement meter for determining depth of penetration
13。
The present invention specially devises a kind of indoor static pressure perforation device based on static pressure penetration method, for testing indoor measurement
Static pressure penetrating power limiting value and corresponding depth of penetration, and can simultaneously consider the influence of axial compressive force, inside detection masonry mortar joint
Mortar strength value.Specific experimental technique is as follows：
Step 1：Tested test specimen is placed in two pieces of center positions of lateral rigidity backing plate 12, and positioned at the underface of injection draw point 8.
The tested test specimen is to be built by laying bricks or stones by two pieces of ordinary fired bricks and mixed mortar and form single brick setting mortar joint, and tested test specimen
Horizontal mortar joint masonry mortar be in above-below direction；
Step 2：Using designed indoor static pressure perforation device, by rotating vertical handwheel 10, every transverse screw 9 is inwardly
Operation, and by the power transmission of lateral rigidity backing plate 12, certain axial compressive force is applied to being tested test specimen, sensed by transverse pressure
Device 11 records the axial compressive force N of corresponding applying；
Step 3：Stop the rotation vertical handwheel 10, keeps the size of axial compressive force N constant.By rotating horizontal handwheel 4, to tested
Have a try the horizontal mortar joint masonry mortar of part, it is slow it is continuous apply penetrating power, while passing through vertical pressure sensor 6 and displacement meter 13
The static pressure penetrating power limiting value F of recording level mortar joint masonry mortar and corresponding depth of penetration value d；
Step 4：Static pressure penetrating power limiting value F, the depth of penetration value d and axial compressive force N that will be recorded, it is quiet by what is pre-build
The relation of pressure penetrating power limiting value, depth of penetration, axial compressive force and mortar compression strength is come the compression strength of the surveyed mortar that converts
（Equivalent to tested test specimen cured under same condition under the age the length of side for mono- group of compression strength of test cube of 70.7mm it is flat
Average）.
Step 5：By rotating vertical handwheel, change axial compressive force N, and repeat the above steps, you can determine axial compressive force N
Influence to mortar joint mortar compression strength value.
During concrete application, the injection draw point 8 is shaped as bottom and, in helicitic texture, is passed through in cylinder, top in conehead, middle part
Enter draw point 8 to be connected with fixture 7 by its screw thread.The injection draw point 8 is using Rockwell hardness 58HRB, yield strength
What the 40Cr materials of 800MPa were made.The length of the injection draw point 8（Only include conehead, cylindrical section）It is 50mm ~ 70mm, cylinder
A diameter of 3mm ~ 5mm, conehead cone angle is 30 ° ~ 60 °.Static pressure penetrating power may be such that using the injection draw point 8 of aforementioned dimensions and material
Test scope is 0 ~ 3000N（Ox）, depth of penetration test scope is 0 ~ 70mm.
The present invention can easily apply axial compressive force to subsized specimen, therefore can utilize what two blocks of common bricks were formed
Single brick setting mortar joint fully determines influence of the axial compressive force to penetrating power limiting value and depth of penetration as subjects, without
The large volume solid brick masonry test specimen of 240mm × 370mm × 960mm must be built by laying bricks or stones.So as to, process of the test is simplified, improve examination
The efficiency and reliability tested.
Claims (4)
1. a kind of indoor static pressure perforation device for determining compression strength of building mortar, it is characterised in that including being fixed on base
Base plate on seat（1）, it is vertical and relative parallel to be fixed on base plate（1）On two lateral risers（2）, it is fixed on two lateral risers
（2）Cover plate between top（3）, vertically extend vertically through cover plate（3）And and cover plate（3）Screw thread coordinate with horizontal handwheel（4）
Vertical screw rod（5）, it is installed on vertical screw rod（5）The vertical pressure sensor of lower end（6）, it is installed on vertical pressure sensor
（6）The fixture of lower end（7）, it is fixed on fixture（7）Lower section and its conehead are towards lower shoe（1）Injection draw point（8）,
Every piece of lateral riser（2）Bottom laterally extends vertically through be provided with a transverse screw respectively（9）, every transverse screw（9）
It is corresponding with lateral riser（2）Screw thread coordinates, positioned at lateral riser（2）Every outer transverse screw（9）End is equipped with vertically
Handwheel（10）, positioned at lateral riser（2）Every interior transverse screw（9）End is equipped with transverse pressure sensor（11）, it is located at
Two transverse pressure sensors（11）Between base plate（1）Upper vertical and relative laid parallel has two pieces of lateral rigidity backing plates
（12）, two pieces of lateral rigidity backing plates（12）Outside is provided with and respective transversal pressure sensor（11）The groove of spacing cooperation, cover plate
（3）Lower section is fixed with the displacement meter for determining depth of penetration（13）.
2. a kind of indoor static pressure perforation device for determining compression strength of building mortar according to claim 1, it is special
Levy and be, the injection draw point（8）It is in helicitic texture, injection draw point in cylinder, top that bottom is shaped as in conehead, middle part（8）
By its screw thread and fixture（7）It is connected.
3. a kind of indoor static pressure perforation device for determining compression strength of building mortar according to claim 2, it is special
Levy and be, the injection draw point（8）It is to be made of the 40Cr materials of Rockwell hardness 58HRB, yield strength 800MPa.
4. a kind of indoor static pressure perforation device for determining compression strength of building mortar according to Claims 2 or 3, its
It is characterised by, the injection draw point（8）Length be 50mm ~ 70mm, body diameter be 3mm ~ 5mm, conehead cone angle be 30 ° ~
60°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051923.5A CN106769445A (en) | 2016-11-25 | 2016-11-25 | A kind of indoor static pressure perforation device for determining compression strength of building mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051923.5A CN106769445A (en) | 2016-11-25 | 2016-11-25 | A kind of indoor static pressure perforation device for determining compression strength of building mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769445A true CN106769445A (en) | 2017-05-31 |
Family
ID=58912939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051923.5A Pending CN106769445A (en) | 2016-11-25 | 2016-11-25 | A kind of indoor static pressure perforation device for determining compression strength of building mortar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769445A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687983A (en) * | 2017-07-05 | 2018-02-13 | 上海交通大学 | Big Cyclic Strain tensile compression test auxiliary test unit |
| CN110057718A (en) * | 2019-01-30 | 2019-07-26 | 天津大学 | The native presetting period rapid detection method of portable grinding coagulation and detector |
| CN110108560A (en) * | 2019-05-20 | 2019-08-09 | 天能电池(芜湖)有限公司 | Distinguish the detection method of lead bullion and electrolytic lead |
| CN112665940A (en) * | 2020-12-31 | 2021-04-16 | 云南西又贝新材料科技有限公司 | Mortar strength measuring method and measuring instrument of accelerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU789739A1 (en) * | 1978-12-20 | 1980-12-23 | Рижский Ордена Трудового Красного Знамени Политехнический Институт | Method of determining lightweight-concrete strength |
| WO2003029784A2 (en) * | 2001-10-01 | 2003-04-10 | Basf Aktiengesellschaft | Method and device for analyzing the hardening of hardenable formulations |
| CN2648436Y (en) * | 2003-09-12 | 2004-10-13 | 遵化市东陵盛业设备仪器厂 | Strength measuring apparatus for needling injected high-strength concrete |
| CN103926148A (en) * | 2014-04-25 | 2014-07-16 | 太原理工大学 | Static pressure masonry mortar penetrometer |
| CN204027952U (en) * | 2014-06-27 | 2014-12-17 | 尚廷东 | Mortar penetrometer calibrating installation |
| CN204269483U (en) * | 2014-11-24 | 2015-04-15 | 青阳县天工预拌商品砂浆有限公司 | A kind of concrete block pressure test device |
| CN106198243A (en) * | 2016-06-15 | 2016-12-07 | 河南理工大学 | The true triaxial of Observable Rock soil similar material deformation fracture adds unloading experimental provision and experimental technique thereof |
-
2016
- 2016-11-25 CN CN201611051923.5A patent/CN106769445A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU789739A1 (en) * | 1978-12-20 | 1980-12-23 | Рижский Ордена Трудового Красного Знамени Политехнический Институт | Method of determining lightweight-concrete strength |
| WO2003029784A2 (en) * | 2001-10-01 | 2003-04-10 | Basf Aktiengesellschaft | Method and device for analyzing the hardening of hardenable formulations |
| CN2648436Y (en) * | 2003-09-12 | 2004-10-13 | 遵化市东陵盛业设备仪器厂 | Strength measuring apparatus for needling injected high-strength concrete |
| CN103926148A (en) * | 2014-04-25 | 2014-07-16 | 太原理工大学 | Static pressure masonry mortar penetrometer |
| CN204027952U (en) * | 2014-06-27 | 2014-12-17 | 尚廷东 | Mortar penetrometer calibrating installation |
| CN204269483U (en) * | 2014-11-24 | 2015-04-15 | 青阳县天工预拌商品砂浆有限公司 | A kind of concrete block pressure test device |
| CN106198243A (en) * | 2016-06-15 | 2016-12-07 | 河南理工大学 | The true triaxial of Observable Rock soil similar material deformation fracture adds unloading experimental provision and experimental technique thereof |
Non-Patent Citations (3)
| Title |
|---|
| 朱红卫 等: "取芯贯入法检测砂浆强度测强曲线的建立与应用", 《第八届全国建设工程无损检测技术学术会议论文集》 * |
| 朱红卫: "取芯贯入法检测砂浆强度初探", 《质量检测》 * |
| 陈松: "砌筑砂浆抗压强度贯入法检测的影响因素研究", 《工程质量》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687983A (en) * | 2017-07-05 | 2018-02-13 | 上海交通大学 | Big Cyclic Strain tensile compression test auxiliary test unit |
| CN110057718A (en) * | 2019-01-30 | 2019-07-26 | 天津大学 | The native presetting period rapid detection method of portable grinding coagulation and detector |
| CN110108560A (en) * | 2019-05-20 | 2019-08-09 | 天能电池(芜湖)有限公司 | Distinguish the detection method of lead bullion and electrolytic lead |
| CN112665940A (en) * | 2020-12-31 | 2021-04-16 | 云南西又贝新材料科技有限公司 | Mortar strength measuring method and measuring instrument of accelerator |
| CN112665940B (en) * | 2020-12-31 | 2023-05-26 | 云南西又贝新材料科技有限公司 | Mortar strength measuring method and instrument by mixing accelerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106769445A (en) | A kind of indoor static pressure perforation device for determining compression strength of building mortar | |
| CN107421872B (en) | Device for evaluating influence of different factors on water permeability of asphalt pavement | |
| CN106680115B (en) | A kind of portable shear of rock strength testing device and method | |
| CN102042932B (en) | Instrument for detecting mortar strength by pressure selecting method | |
| CN104849433A (en) | Experimental device and method for testing magnitude of crustal stress of cylindrical rock core | |
| CN111272541A (en) | Rock brazilian test fixture device for accurately controlling splitting direction of layered rock | |
| CN104596802A (en) | Slurry sampling device used for detecting TRD equal-thickness cement stirring wall | |
| CN109187270A (en) | Rheology characteristics of soil monitoring device under a kind of high temperature and pressure | |
| CN204903300U (en) | Testing arrangement is cuted in drilling of soil body normal position | |
| CN114878383A (en) | Accurate detection device of pile body concrete intensity | |
| CN105424507B (en) | The in-situ detection method of masonry structure masonry mortar shearing strength | |
| CN208432576U (en) | A kind of concrete ultrasonic velocity test device | |
| CN204530654U (en) | A kind of soil pressure measurement mechanism | |
| CN108931444A (en) | A kind of rock hollow cylinder scene torsion shear apparatus and test method | |
| WO2016051345A1 (en) | Device and method for determining unconfined compressive strength in disc-shaped samples of rock or other materials subjected to diametral loading | |
| CN104215526A (en) | Equi-biaxial bending in-situ loading device based on X-ray computerized tomography and using method | |
| CN103674833A (en) | Simple shearing test method and device for rock-concrete cement face | |
| CN208996012U (en) | A kind of anti-bias formula static penetrometer | |
| CN201508297U (en) | Mortar strength detector using a selecting and pressing method | |
| CN103926148B (en) | Masonry mortar static pressure penetrometer | |
| CN113495014B (en) | A vibrating gravity sampler for geotechnical parameter normal position test | |
| CN215415217U (en) | Probe positioning device convenient for detecting concrete crack depth | |
| CN209446411U (en) | A kind of concrete crushing strength on-site detecting device of concrete segment | |
| CN107966087A (en) | A kind of measuring tool for the detection of taper hole diameter | |
| CN105606510A (en) | Contrast test detection method for seepage performance of rock with filled and connected fissures |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |