CN103760009A - Brickwork pressure-shearing device - Google Patents
Brickwork pressure-shearing device Download PDFInfo
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- CN103760009A CN103760009A CN201410022931.1A CN201410022931A CN103760009A CN 103760009 A CN103760009 A CN 103760009A CN 201410022931 A CN201410022931 A CN 201410022931A CN 103760009 A CN103760009 A CN 103760009A
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- pressure
- shearing
- masonry
- cushion block
- cut
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a brickwork pressure-shearing device for exerting shearing force on two sides of brickwork while exerting pressure on two horizontal planes of the brickwork. The device is characterized by comprising a pressure exerting unit and a shearing force exerting unit, wherein the pressure exerting unit is provided with at least four fastening components and two opposite pressure plates, and the two opposite pressure plates are detachably connected with the fastening components; the shearing force exerting plate is vertical to the pressure plates and provided with a first shearing force component and a second shearing force component opposite to the first shearing force component; the two pressure plates are respectively contacted with the two horizontal planes and used for exerting pressure on the horizontal planes, and the pressure is changed by regulating the fastening components; the first shearing force component and the second shearing force component are respectively contacted with the two sides and used for exerting the shearing force on the sides. According to the brickwork pressure-shearing device provided by the invention, the anti-shearing performance and the anti-pressure performance of the brickwork can be compositely measured due to the arrangement of the shearing force exerting unit and the pressure exerting unit; the device is simple in structure, low in cost and simple to operate, and the test efficiency is greatly improved.
Description
Technical field
The invention belongs to building engineering field, be specifically related to a kind ofly for masonry, cut and press the masonry of composite testing to cut pressure device.
Background technology
Masonry is a kind of two phase composite materials of being built by laying bricks or stones with mortar by building block, is one of most widely used building materials in current construction work.As primary structure member, masonry can be always in stretching, compress and shear compound stress, therefore, use before masonry, need to assess the shear behavior of different pressures masonry, to determine that masonry, cutting failure mechanism and the shear behavior of pressing under compound action, meets user demand.
Masonry cut pressure composite testing, be the important method of measuring the shear behavior of masonry under different pressures.At present, cut and press composite testing conventionally to adopt lifting jack and universal testing machine or pressing machine to be used in conjunction with, by changing jack pair masonry applied pressure, universal testing machine or pressing machine are tested and are assessed its shear behavior.But adopt lifting jack to exert pressure, cost is higher, take up room large.
Summary of the invention
In order to address the above problem, to the object of this invention is to provide a kind of masonry and cut pressure device.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of masonry is cut pressure device, for two of masonry surface levels are exerted pressure, two of masonry sides are applied to shearing simultaneously, it is characterized in that, comprise: pressure applying unit, have at least four secure components relative with two to pressure plare, two pressure plares all removably connect with secure component; And shearing applying unit, perpendicular to pressure plare, have the first shearing parts with relative with the first shearing parts to the second shearing parts.Wherein, two pressure plares contact with two surface levels respectively, and surface level is exerted pressure, and by regulating secure component, pressure are changed; The first shearing parts and the second shearing parts contact with two sides respectively, and side is applied to shearing.
In addition, masonry involved in the present invention is cut pressure device can also have such feature: wherein, the number of secure component is selected from four, six or eight.
In addition, masonry involved in the present invention is cut pressure device can also have such feature: wherein, secure component is high-strength bolt and the bolt sleeve that matches with high-strength bolt, pressure plare is provided with at least four bolts hole that match with high-strength bolt, bolt hole is between two about the Central Symmetry of pressure plare, and high-strength bolt removably connects with two pressure plares respectively through bolt hole.
In addition, masonry involved in the present invention is cut pressure device can also have such feature: wherein, the first shearing parts have application of force backing plate and are fitted in the first cushion block on application of force backing plate center, and this first cushion block contacts with a side; The second shearing parts have support backing plate and are fitted in two the second cushion blocks that support on backing plate, and this second cushion block contacts with another side.By to the first cushion block and the second cushion block application of force, the first cushion block and the second cushion block apply shearing to two sides.
In addition, masonry involved in the present invention is cut pressure device can also have such feature: torque value adjustable dial torque wrench between 0～600N*m, and for secure component is regulated, thus the pressure that regulates pressure plare to be subject to.
Effect and the effect of invention
According to masonry provided by the present invention, cut pressure device, because two pressure plares all removably connect with secure component, therefore regulate secure component, can regulate two pressure plares to two surface level applied pressures of masonry, exert pressure and compare with traditional two surface levels of employing jack pair masonry, the pressure applying unit that masonry provided by the present invention is cut pressure device not only takes up room less, and cost is low, easy to use, test efficiency is also higher.
In addition, owing to thering is shearing applying unit and pressure applying unit, can compound mensuration different pressures under the shear behavior of masonry, simple in structure, cost is lower, easy and simple to handle.
In addition, the masonry that the present embodiment provides is cut pressure device and can be used in combination with multiple universal testing machine and pressing machine, by universal testing machine or pressing machine, the first shearing parts and the second shearing parts are applied to external force, complete the shear behavior test of masonry, applied widely.
Accompanying drawing explanation
Fig. 1 is masonry involved in the present invention cut-open view in an embodiment;
Fig. 2 is that masonry involved in the present invention is cut pressure device front view in an embodiment; And
Fig. 3 is that masonry involved in the present invention is cut pressure device side view in an embodiment.
Embodiment
Below in conjunction with accompanying drawing, the concrete example of masonry involved in the present invention being cut to pressure device is further described.
< embodiment >
Fig. 1 is masonry involved in the present invention cut-open view in an embodiment.
As shown in Figure 1, choose nine bricks, adopt concrete to make the brick setting 10 that band carries out shear test.Brick setting 10 comprise two relatively to surface level 11 relative with two to side 12.
Fig. 2 is that masonry involved in the present invention is cut pressure device front view in an embodiment.
Fig. 3 is that masonry involved in the present invention is cut pressure device side view in an embodiment.
As shown in Figure 2,3, the masonry that the present embodiment provides is cut pressure device 20, comprise two symmetrical pressure plares 21 of placing, the first shearing parts 22, relative with the first shearing parts 22 to the second shearing parts 23, six secure components 24 and figure in the torque value of sign adjustable dial torque wrench between 0～600N*m not.
Two pressure plares 21 and secure component 24 form pressure applying units, and the first shearing parts 22 and the second shearing parts 23 form shearing applying units.Pressure plare 21 is perpendicular to the first shearing parts 22 and the second shearing parts 23.
The iron plate of pressure plare 21 for containing six bolts hole 211.Six bolts hole 211 are between two about the Central Symmetry of iron plate.Secure component 24 comprises the high-strength bolt 241 matching with bolt hole 211 and the bolt sleeve 242 matching with high-strength bolt 241.High-strength bolt 241 is detachably connected with two pressure plares 21 through bolt hole 211 respectively.Two pressure plares 21 are relatively to being located at the two ends of high-strength bolt 241 and contacting with two surface levels 11 respectively, and turn-knob bolt sleeve 242 can change 11 applied pressures of 21 pairs of surface levels of pressure plare.
The first shearing parts 22 comprise application of force backing plate 221 and are fitted in the first cushion block 222 on application of force backing plate 221 centers.The first cushion block 222 contacts with a side 12 of brick setting 10.The second shearing parts 23 comprise bearing plate 231 and are fitted in two the second cushion blocks 232 on bearing plate 231.The second cushion block 232 contacts with another side 12 of brick setting 10.The first cushion block 222 is identical with the second cushion block 232 shapes, and length is 2.5cm.The distance at two the second cushion block 232 intervals is 7.1cm.By to the first cushion block 222 and second cushion block 232 application of forces, the first cushion block 222 and 232 pairs of two sides 12 of the second cushion block apply shearing.
By dial torque wrench turn-knob bolt sleeve 242, the masonry 10 that makes 21 pairs of two pressure plares put into masonry put area is exerted pressure.By application of force backing plate 221 and support backing plate 231 are applied to external force, make the first cushion block 222 and 232 pairs of brick settings 10 of the second cushion block apply shearing.
The masonry that uses the present embodiment to provide is cut 20 pairs of brick settings 10 of pressure device and is cut while pressing composite testing, first, brick setting 10 is placed between two pressure plares 21, two surface levels 11 contact with two pressure plares 21 respectively, torque spanner tightens bolt sleeve 242, makes moment of torsion increase to numerical value to be measured, and numerical value to be measured is while evaluating the shear behavior of masonry under certain pressure, the torque value of required setting, obtains bearing the brick setting sample of this pressure.
Secondly, this brick setting sample is placed between the first shearing parts 22 and the second shearing parts 23, two sides 12 contact with the first cushion block 222 and the second cushion block 232 respectively, obtain shearing sample to be tested.
Again, shearing sample to be tested is placed on universal testing machine, bearing plate 231 is positioned on the worktable of universal testing machine.When the loading end of universal testing machine is during to application of force backing plate 221 application of force, a side application of force of 222 pairs of brick settings 10 of the first cushion block, worktable simultaneously in the other direction to bearing plate 231 application of forces, make another side application of force of 232 pairs of brick settings 10 of the second backing plate, thereby brick setting sample is subject to from the first cushion block 222 and the formed shearing of the second backing plate 232 acting in conjunction, and then completes the shear behavior test of brick setting 10 under this pressure.
Then, torque spanner continues turn-knob bolt sleeve 241, makes change in torque to other numerical value to be measured, and the shear behavior to brick setting 10 under other pressure is tested, and can obtain the shear behavior of brick setting 10 under different pressures.Thereby complete the assessment to shear behavior under brick setting 10 different pressures.
The effect of embodiment and effect
The masonry providing according to the present embodiment is cut pressure device, owing to thering are two pressure plare and torque spanneres that removably connect with high-strength bolt, the load that high-strength bolt bears is larger, therefore by torque spanner, screw bolt sleeve, be the pressure of adjustable two pressure plares to two surface levels of masonry, exert pressure and compare with traditional two surface levels of employing jack pair masonry, the pressure applying unit consisting of pressure plare and high-strength bolt that the present embodiment provides not only takes up room less, cost is low, easy to use, test efficiency is also higher.
Therefore in addition, owing to also having the first cushion block and two the second cushion blocks, when application of force backing plate and bearing plate are subject to external force, the first cushion block and two the second cushion blocks are exerted pressure simultaneously, and masonry is applied to shearing, and then test the shear behavior of masonry under different pressures.
In addition, the masonry that the present embodiment provides is cut pressure device and can be used in combination with multiple universal testing machine, by universal testing machine, application of force backing plate and bearing plate is applied to external force, completes the shear behavior test of masonry, applied widely.
In addition, owing to also having the adjustable dial torque wrench of moment of torsion, therefore, when masonry is exerted pressure, by regulating moment of torsion, can control the size to masonry pressure, easy to use, equipment is simple and easy to get.
In addition, the masonry providing due to the present embodiment is cut pressure device and is had shearing applying unit and pressure applying unit, therefore can compound mensuration different pressures under the shear behavior of masonry, simple in structure, cost is lower, easy and simple to handle.
Certainly masonry involved in the present invention is cut pressure device and is not merely defined in the structure in above-described embodiment.Above content is only the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all belongs to protection scope of the present invention.
In addition, the high-strength bolt providing in above-described embodiment is six, and the number of high-strength bolt involved in the present invention can also be selected from other even number that is greater than four, its objective is and makes pressure plare stress balance.Four if, lay respectively at four jiaos of pressure plare.
In addition, except the universal testing machine adopting in above-described embodiment applies external force to two of brick setting sides, can also adopt pressing machine to apply external force to two of brick setting sides.
Claims (5)
1. masonry is cut a pressure device, for two of masonry surface levels are exerted pressure, two of described masonry sides is applied to shearing simultaneously, it is characterized in that, comprising:
Pressure applying unit, have at least four secure components relative with two to pressure plare, two described pressure plares all removably connect with described secure component; And
Shearing applying unit, perpendicular to described pressure plare, have the first shearing parts with relative with described the first shearing parts to the second shearing parts,
Wherein, two described pressure plares contact with two described surface levels respectively, and described surface level is applied to described pressure, by regulating secure component, described pressure are changed; Described the first shearing parts and described the second shearing parts contact with two described sides respectively, and described side is applied to described shearing.
2. masonry according to claim 1 is cut pressure device, it is characterized in that:
Wherein, the number of described secure component is selected from four, six or eight.
3. masonry according to claim 1 is cut pressure device, it is characterized in that:
Wherein, described secure component is high-strength bolt and the bolt sleeve that matches with described high-strength bolt,
Described pressure plare is provided with at least four bolts hole that match with described high-strength bolt, and described bolt hole is between two about the Central Symmetry of pressure plare,
Described high-strength bolt removably connects with two described pressure plares respectively through described bolt hole.
4. masonry according to claim 1 is cut pressure device, it is characterized in that:
Wherein, described the first shearing parts have application of force backing plate and are fitted in the first cushion block on described application of force backing plate center, and this first cushion block contacts with a described side,
Described the second shearing parts have the backing plate of support and are fitted in two the second cushion blocks on described support backing plate, and this second cushion block contacts with side described in another,
By to described the first cushion block and the described second cushion block application of force, described the first cushion block and described the second cushion block apply described shearing to two described sides.
5. masonry according to claim 1 is cut pressure device, it is characterized in that, also comprises:
Torque value adjustable dial torque wrench between 0～600N*m, for described secure component is regulated, thus the pressure that regulates described pressure plare to be subject to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022931.1A CN103760009A (en) | 2014-01-17 | 2014-01-17 | Brickwork pressure-shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022931.1A CN103760009A (en) | 2014-01-17 | 2014-01-17 | Brickwork pressure-shearing device |
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| Publication Number | Publication Date |
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| CN103760009A true CN103760009A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410022931.1A Pending CN103760009A (en) | 2014-01-17 | 2014-01-17 | Brickwork pressure-shearing device |
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| CN (1) | CN103760009A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872291A (en) * | 2017-03-03 | 2017-06-20 | 浙江大学 | Masonry cuts pressure device and masonry cuts pressure composite testing method |
| CN110426294A (en) * | 2019-07-08 | 2019-11-08 | 山东省建筑科学研究院有限公司 | A kind of masonry test specimen shearing strength test device and test method |
| CN116593323A (en) * | 2023-07-19 | 2023-08-15 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
Citations (5)
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| US4885941A (en) * | 1988-06-15 | 1989-12-12 | Regents Of The University Of Minnesota | Bi-axial geomaterial test system |
| CN101419143A (en) * | 2008-11-21 | 2009-04-29 | 同济大学 | Bidirectional composite force loading test device for masonry test piece |
| CN102778389A (en) * | 2012-06-29 | 2012-11-14 | 哈尔滨工程大学 | Concrete test loading device and test method under load and multifactor coupling |
| CN103063509A (en) * | 2012-12-29 | 2013-04-24 | 西安建筑科技大学 | Bidirectional self-balance shear loading device for fired shale masonry and test method therefor |
| EP2399126B1 (en) * | 2009-02-20 | 2013-12-25 | Halliburton Energy Services, Inc. | In situ testing of mechanical properties of cementitious material |
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2014
- 2014-01-17 CN CN201410022931.1A patent/CN103760009A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885941A (en) * | 1988-06-15 | 1989-12-12 | Regents Of The University Of Minnesota | Bi-axial geomaterial test system |
| CN101419143A (en) * | 2008-11-21 | 2009-04-29 | 同济大学 | Bidirectional composite force loading test device for masonry test piece |
| EP2399126B1 (en) * | 2009-02-20 | 2013-12-25 | Halliburton Energy Services, Inc. | In situ testing of mechanical properties of cementitious material |
| CN102778389A (en) * | 2012-06-29 | 2012-11-14 | 哈尔滨工程大学 | Concrete test loading device and test method under load and multifactor coupling |
| CN103063509A (en) * | 2012-12-29 | 2013-04-24 | 西安建筑科技大学 | Bidirectional self-balance shear loading device for fired shale masonry and test method therefor |
Non-Patent Citations (1)
| Title |
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| 邹超英 等: "应力状态对抗冻混凝土力学性能的影响", 《低温建筑技术》, no. 6, 31 December 2005 (2005-12-31), pages 1 - 3 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872291A (en) * | 2017-03-03 | 2017-06-20 | 浙江大学 | Masonry cuts pressure device and masonry cuts pressure composite testing method |
| CN110426294A (en) * | 2019-07-08 | 2019-11-08 | 山东省建筑科学研究院有限公司 | A kind of masonry test specimen shearing strength test device and test method |
| CN116593323A (en) * | 2023-07-19 | 2023-08-15 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
| CN116593323B (en) * | 2023-07-19 | 2023-11-14 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
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Application publication date: 20140430 |