CN111238964A - Metal-cement based material interface mechanical property testing device - Google Patents
Metal-cement based material interface mechanical property testing device Download PDFInfo
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- CN111238964A CN111238964A CN202010102398.5A CN202010102398A CN111238964A CN 111238964 A CN111238964 A CN 111238964A CN 202010102398 A CN202010102398 A CN 202010102398A CN 111238964 A CN111238964 A CN 111238964A
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- 238000012360 testing method Methods 0.000 title claims abstract description 110
- 239000000463 material Substances 0.000 title claims abstract description 28
- 239000004568 cement Substances 0.000 title claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000452 restraining effect Effects 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 24
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- 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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- 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
- G01N3/02—Details
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- 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
- G01N2203/0025—Shearing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of structural engineering, and discloses a metal-cement-based material interface mechanical property testing device which comprises a supporting assembly, a loading frame and a tangential actuator, wherein a groove with a notch facing one side is formed in the supporting assembly, the loading frame is of a hollow structure with openings at two sides, the sizes of the groove and the loading frame are matched with a test piece, and the tangential actuator is fixedly arranged above one side of the notch of the groove. According to the metal-cement-based material interface mechanical property testing device provided by the invention, the loading frame is matched with the groove, so that the force can be conveniently applied to the loading frame to test the tangential shear resistance of the testing piece, and meanwhile, the groove and the loading frame can play a role in restraining the testing piece at the periphery of the testing piece, so that the lateral deformation of the testing piece in the testing process can be avoided, the influence of the geometric deformation of the testing piece on the mechanical property is further reduced, and the stable and accurate mechanical property result can be obtained.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to a device for testing mechanical properties of a metal-cement-based material interface.
Background
Steel and concrete are two engineering structural materials with the largest use amount at present. The steel-concrete composite structure generally refers to a structure formed by combining steel and concrete, and the steel and the concrete work together, such as a steel-concrete composite beam, steel pipe concrete, section steel concrete and the like. The composite structure has the characteristics of good mechanical property, convenience and quickness in construction and the like, and is widely applied to large-span, bridge and high-rise structures at present.
In the stress process of the member, the steel and the concrete material of the combined structure need to work together, and the force transmission of the steel and the concrete material needs to be reliable. For components that provide a shear connection, push-out testing is typically used to determine the interface shear resistance. For some members without shear connectors, the interfacial adhesion-slip property between the clear steel and the concrete is the basis for ensuring reliable internal force transfer between the two materials.
The following problems exist in the aspect of testing the mechanical performance of the steel and concrete interface at present: because the tangential shear capacity of the interface of the steel and the concrete is greatly influenced by the geometric deformation of the member, a stable interface mechanical property result is difficult to obtain.
Disclosure of Invention
The embodiment of the invention provides a metal-cement-based material interface mechanical property testing device, which is used for solving or partially solving the problem that a stable interface mechanical property result is difficult to obtain in the existing steel and concrete interface mechanical property test.
The embodiment of the invention provides a metal-cement-based material interface mechanical property testing device which comprises a supporting component, a loading frame and a tangential actuator, wherein a groove with a notch facing one side is formed in the supporting component, the loading frame is of a hollow structure with openings on two sides, the sizes of the groove and the loading frame are matched with that of a test piece, and the tangential actuator is fixedly arranged above one side of the notch of the groove.
On the basis of the scheme, the loading device further comprises a vertically arranged guide structure, the first side of the loading frame is connected with the notch of the groove, and the loading frame is movably connected with the guide structure.
On the basis of the scheme, the guide structure comprises a vertically arranged sliding rod, at least one sliding rod is arranged on two opposite sides of the loading frame respectively, an ear plate is connected to the corresponding position of the loading frame and the sliding rod, and the sliding rod is sleeved with the ear plate in a sliding mode.
On the basis of the scheme, the loading frame further comprises a normal loading assembly, wherein the normal loading assembly comprises a normal actuator, and the normal actuator is arranged on the second side of the loading frame.
On the basis of above-mentioned scheme, normal direction loading subassembly still includes first end plate, second end plate, supports tight piece and horizontal pole, first end plate and second end plate set up relatively, normal direction actuator's stiff end connect in first end plate, loading end orientation the loading frame, the second end plate is located the recess deviates from one side of loading frame, support the tight piece one end with the second end plate is connected, the other end with the tank bottom outside of recess meets, the horizontal pole is located first end plate with between the second end plate and both ends correspond with first end plate and second end plate respectively and are connected.
On the basis of the scheme, a plurality of cross rods are arranged on the periphery of the normal actuator.
On the basis of the scheme, the loading end of the normal actuator is connected with a plate-shaped sliding structure.
On the basis of the scheme, the bottom of the groove is detachably connected with adjusting pieces, the length of the adjusting pieces protruding out of the bottom of the groove is adjustable, and the adjusting pieces are symmetrically distributed about the center of the groove.
On the basis of the scheme, the supporting component comprises a base and a panel, the panel is vertically connected to the base, and the groove is formed in one side of the panel.
On the basis of the scheme, the other side of the panel is vertically connected with a reinforcing rib plate.
According to the metal-cement-based material interface mechanical property testing device provided by the embodiment of the invention, the loading frame is matched with the groove, so that the force can be conveniently applied to the loading frame to test the tangential shear resistance of the test piece, and meanwhile, the groove and the loading frame can play a role in restraining the test piece at the periphery of the test piece, so that the test piece can be prevented from being deformed laterally in the testing process, the influence of the geometric deformation of the test piece on the mechanical property is further reduced, and the stable and accurate mechanical property result can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic overall view of a metal-cement-based material interface mechanical property testing device according to an embodiment of the present invention;
FIG. 2 is a first schematic view of a loading frame and slide bar arrangement in an embodiment of the invention;
FIG. 3 is a second schematic view of a loading frame and slide bar arrangement in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a normal loading assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a support assembly according to an embodiment of the invention.
Description of reference numerals:
wherein, 1-a support assembly; 101-a base; 102-a panel; 103-a reinforcing rib plate; 104-a groove; 105-a threaded hole; 2-a slide block slide rod; 201-load box; 202-a slide rod; 203-ear plate; 3-normal loading component; 301-a first end plate; 302-a cross-bar; 303-a nut; 304-a second end plate; 305-a normal actuator; 306-an abutment; 307-a sliding structure; 4-tangential actuator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention provides a mechanical property testing device for a metal-cement-based material interface, and referring to fig. 1, the mechanical property testing device comprises a supporting component 1, a loading frame 201 and a tangential actuator 4, wherein the supporting component 1 is provided with a groove 104 with a notch facing one side, the loading frame 201 is a hollow structure with openings on two sides, the sizes of the groove 104 and the loading frame 201 are matched with a test piece, and the tangential actuator 4 is fixedly arranged above one side of the notch of the groove 104.
When the mechanical property test is performed on the test piece, the test piece may be placed in the loading frame 201, the loading frame 201 may be placed on the notch side of the groove 104, and one side of the test piece may be inserted into the groove 104. That is, when the test piece is tested, a part of the test piece is located in the groove 104, and a part of the test piece is located in the loading frame 201. The tangential actuator 4 is above the notch side of the groove 104, i.e. after the test piece has been placed, the tangential actuator 4 is above the loading frame 201. So that the tangential actuator 4 can apply a downward force to the loading frame 201, and further perform the mechanical property test of the test piece.
The metal-cement-based material interface mechanical property testing device provided by the embodiment is provided with the loading frame 201 matched with the groove 104, so that the loading frame 201 can be conveniently applied with force to test the tangential shear resistance of a test piece, and meanwhile, the groove 104 and the loading frame 201 can play a role in restraining the test piece at the periphery of the test piece, so that the test piece can be prevented from generating lateral deformation in the testing process, the influence of the geometric deformation of the test piece on the mechanical property is further reduced, and the stable and accurate mechanical property result is favorably obtained.
Further, the metal-cement-based material interface mechanical property testing device provided by the embodiment can be used for carrying out tangential shear performance testing on a steel-concrete interface. Because the tangential shear capacity of the interface of steel and concrete is greatly influenced by the geometric deformation of the member, the conventional general testing device has no constraint on the lateral deformation, and a stable interface mechanical property result is difficult to obtain. The mechanical property testing device provided by the embodiment is provided with the groove 104 and the loading frame 201 to restrain a test piece, so that the deformation of a component is avoided, and a more stable mechanical property result is obtained.
Further, when the mechanical property testing device is used for testing the tangential shear resistance of the interface of the steel concrete, one side of the steel plate of the test piece is inserted into the groove 104. And preferably the depth of the groove 104 is the same as the thickness of the steel plate. So that the interface between the groove 104 and the loading frame 201 is the interface of the steel reinforced concrete.
Further, the mechanical property testing device can be used for testing mechanical properties of aluminum-concrete interfaces and the like, and the device can be used for testing the interface properties of any metal-cement-based material or other materials, and is not limited specifically.
On the basis of the above embodiment, further, the mechanical property testing device further comprises a vertically arranged guide structure, the first side of the loading frame 201 is connected with the notch of the groove 104, and the loading frame 201 is movably connected with the guide structure. The loading frame 201 is movable along the guide structure. The guide structure is connected with the loading frame 201, the moving path of the loading frame 201 in the testing process can be limited, so that when the testing piece reaches the mechanical limit, the loading frame 201 and part of the testing piece inside the loading frame move along the guide structure, namely, move along the tangential direction, and the stability and the accuracy of the test can be improved.
On the basis of the above embodiment, further referring to fig. 2 and fig. 3, the guiding structure includes a vertically disposed slide rod 202, at least one slide rod 202 is respectively disposed on two opposite sides of the loading frame 201, an ear plate 203 is connected to the loading frame 201 corresponding to the slide rod 202, and the ear plate 203 is slidably sleeved on the slide rod 202. The loading frame 201 can move up and down along the slide bar 202, thereby limiting the moving path of the loading frame 201.
Preferably, a slide rod 202 is disposed on each of opposite sides of the loading frame 201 adjacent to the first side. The loading frame 201 is connected to the slide bar 202 at two opposite sides, and the loading frame 201 can be prevented from horizontal deviation to affect the stability of the test.
On the basis of the above embodiment, further referring to fig. 4, a mechanical property testing device further includes a normal loading assembly 3, where the normal loading assembly 3 includes a normal actuator 305, and the normal actuator 305 is disposed on the second side of the loading frame 201. The second side of the load frame 201 is the side opposite the first side. Because the normal force has a relatively large influence on the anti-shearing performance, the normal loading assembly 3 is arranged in the testing device according to the embodiment in consideration of the influence of the normal force before and after the interface moves. The normal direction actuator 305 can apply normal force to the test piece, so that the normal direction stress of the test piece in the test process is controlled, and the stability of the tangential shear performance test of the test piece is improved.
On the basis of the above embodiment, further, the normal loading assembly 3 further includes a first end plate 301, a second end plate 304, a tightening member 306 and a cross bar 302, the first end plate 301 and the second end plate 304 are oppositely disposed, a fixed end of the normal actuator 305 is connected to the first end plate 301, the loading end faces the loading frame 201, the second end plate 304 is located on a side of the groove 104 away from the loading frame 201, one end of the tightening member 306 is connected to the second end plate 304, the other end of the tightening member is connected to an outer side of a groove bottom of the groove 104, the cross bar 302 is located between the first end plate 301 and the second end plate 304, and two ends of the cross bar are respectively connected to the first end plate 301 and the second end plate 304 correspondingly.
The normal loading assembly 3 includes a first end plate 301, a second end plate 304, a normal actuator 305, a hold down 306, and a cross-bar 302. The first end plate 301 and the second end plate 304 are oppositely arranged, the side of the first end plate 301 facing the second end plate 304 is connected with the fixed end of the normal actuator 305, the loading end of the normal actuator 305 faces the second end plate 304, and the side of the second end plate 304 facing the first end plate 301 is connected with one end of the abutting member 306; the first end plate 301 and the second end plate 304 are correspondingly connected with two ends of the cross bar 302 and are connected and fixed through the cross bar 302.
When a mechanical property test is carried out on a test piece, the normal loading assembly 3 is placed along the normal direction of the test piece, namely the first end plate 301 is placed on one side of the loading frame 201, which is far away from the groove 104, and the second end plate 304 is placed on one side of the groove 104, which is far away from the loading frame 201; and the other end of the abutment 306, remote from the second end plate 304, meets the outside of the bottom of the groove 104. The loading end of the normal actuator 305 is engaged with the second side of the loading frame 201 to apply a normal force to the test element within the loading frame 201.
When normal direction actuator 305 is to the test piece application of force, the loading end of normal direction actuator 305 supports tightly the test piece, and the other end that supports piece 306 simultaneously can support the tank bottom outside of tight recess 104 to make normal direction loading subassembly 3 need not the installation fixed can exert stable normal direction effort to the test piece. The arrangement structure of the normal direction loading assembly 3 ensures that the normal direction loading assembly 3 is not required to be installed and fixed, and the normal direction loading assembly 3 is convenient to use and detach, so that the test piece is convenient to install and detach, the test device and the normal direction loading assembly 3 are convenient to store and transport, and the like.
In addition to the above-described embodiments, a plurality of crossbars 302 are further provided around the periphery of the normal actuators 305. The stability of the connection of the first end plate 301 and the second end plate 304 is facilitated, and further, the stable normal acting force is favorably applied to the test piece. Preferably, a plurality of crossbars 302 may be uniformly disposed about the periphery of the normal actuator 305.
Further, both ends of the cross bar 302 and the first and second end plates 301 and 304 may be respectively screw-coupled. The cross bar 302 may have both ends extending through the first end plate 301 and the second end plate 304, respectively, and be connected to the nuts 303 at the outer sides of the first end plate 301 and the second end plate 304.
In addition to the above embodiments, a plate-shaped sliding structure 307 is further connected to the loading end of the normal actuator 305. The loading or free end of the normal actuator 305. The sliding structure 307 may be a low coefficient of friction material plate or a rolling fairing. So as to reduce the friction force between the testing part and the testing part, and further facilitate the smooth movement of the testing part and avoid damaging the loading end of the normal actuator 305 when the testing part deforms and moves.
The sliding structure 307 is plate-shaped, and can be conveniently contacted with the test piece to apply force. The side of the sliding structure 307 facing the test piece may be provided with a roller or a ball. So that relative movement between the test piece and the sliding structure 307 occurs.
On the basis of the above embodiment, further, referring to fig. 5, the bottom of the groove 104 is detachably connected with an adjusting member, the length of the adjusting member protruding out of the bottom of the groove 104 is adjustable, and a plurality of adjusting members are symmetrically distributed about the center of the groove 104. Through adjusting the length that the regulating part protrudes from the groove bottom of the groove 104, the depth of the groove 104 for accommodating the test piece can be adjusted, so that the groove 104 is suitable for test pieces with different thicknesses, and the applicability and flexibility of the testing device are improved.
Further, the adjustment member may be a bolt. A threaded hole 105 can be formed in the bottom of the groove 104 to connect with a bolt, and the length of the bottom of the groove 104 where the bolt protrudes is adjusted by adjusting the length of the bolt screwed into the threaded hole 105. The plurality of adjusting pieces are symmetrically distributed about the center of the groove 104, so that the testing piece can be uniformly and stably supported, and the stability of mechanical property testing is improved.
On the basis of the above embodiment, further, the supporting assembly 1 includes a base 101 and a panel 102, the panel 102 is vertically connected to the base 101, and the groove 104 is disposed on one side of the panel 102.
In addition to the above embodiments, a reinforcing rib 103 is vertically connected to the other side of the panel 102.
On the basis of the above embodiments, the present embodiment further provides a steel-concrete interface mechanical performance testing apparatus with high stability and capable of considering the influence of the normal force before and after the interface sliding. The steel-concrete interface mechanical performance test device comprises a plurality of components; the assembly comprises a supporting assembly 1, a sliding block sliding rod 2, a normal loading assembly 3 and a tangential actuator 4; the support assembly 1 comprises a base 101, a panel 102 and a reinforcing rib plate 103, wherein the panel 102 is provided with a groove 104; the bottom of the panel 102 and the reinforcing rib 103 are connected to the base 101. The slide block slide rod 2 comprises a loading frame 201, an ear plate 203 and a slide rod 202; the loading frame 201 is connected with the ear plate 203, a hole is arranged on the ear plate 203, the ear plate 203 slides up and down along the axial direction of the slide rod 202, and the slide rod 202 is vertically connected with the base 101. The normal loading assembly 3 comprises end plates on two sides, a cross rod 302, a normal actuator 305, a nut 303, a sliding structure 307 and a tightening piece 306; the end plate is connected with a normal actuator 305, a nut 303 is arranged outside the end plate, and a fastening piece 306 is arranged between the end plate and the panel 102; the sliding structure 307 is connected with the loading end of the normal actuator 305; the tangential actuator 4 is fixed above the loading frame 201; the fixed ends of the tangential actuators 4 can be fixed to other brackets or equipment foundations so that the loading ends of the tangential actuators 4 are connected to the upper portion of the loading frame 201.
Wherein the ear plate 203 is located outside the loading frame 201. The crossbar 302 is located outside the normal actuator 305. The number of the crossbars 302 may be four or more. It should be noted that the number and distribution of the cross bars 302 in this embodiment are only examples, and those skilled in the art can specifically set the number and distribution according to actual needs.
The sliding structure 307 may be a low coefficient of friction material plate or a rolling fairing. The support assembly 1 (including the base 101, the panel 102 and the reinforcing rib plate 103), the slider slide rod 2 (including the loading frame 201, the ear plate 203 and the slide rod 202), the end plate (including the first end plate 301 and the second end plate 304), the cross bar 302, the nut 303 and the tightening piece 306 are all made of common steel, high-strength steel, fire-resistant and weather-resistant steel or stainless steel.
The steel-concrete interface mechanical property test device provided by the embodiment can ensure that the steel and concrete interface moves relatively along the tangential direction, provides a relatively stable test result, and can reduce the friction resistance influence of the loading device.
The embodiment provides a steel-concrete interface mechanical property testing device which is high in stability and capable of considering the influence of normal force before and after interface sliding. The device comprises a back plate base 101, a sliding block sliding rod 2, a normal loading assembly 3 and a tangential actuator 4. On one hand, the loading frame 201 in the sliding block and sliding rod 2 assembly can provide enough rigidity for concrete loading, the sliding rod 202 can enable the loading frame 201 to move axially, the steel and concrete interfaces are guaranteed to move relatively along the tangential direction, pure shear stress can be generated between the interfaces through good constraint, and unstable results caused by bending shear damage due to small deformation of components are avoided. On the other hand, the normal loading component 3 can provide normal stress for the test piece, the friction coefficient of the sliding structure 307 is small, and the friction resistance influence caused by the normal loading component 3 can be reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a metal-cement based material interface mechanical properties testing arrangement, its characterized in that, includes supporting component, loading frame and tangential actuator, the last recess that has the notch towards one side of supporting component, the loading frame is the equal open-ended hollow structure in both sides, the recess and the size and the test piece phase-match of loading frame, the tangential actuator is fixed to be set up the top of the notch one side of recess.
2. The metal-cement based material interface mechanical property testing device of claim 1, further comprising a vertically arranged guide structure, wherein the first side of the loading frame is connected with the notch of the groove, and the loading frame is movably connected with the guide structure.
3. The metal-cement-based material interface mechanical property testing device of claim 2, wherein the guiding structure comprises a vertically arranged sliding rod, at least one sliding rod is respectively arranged on two opposite sides of the loading frame, an ear plate is connected to the loading frame corresponding to the sliding rod, and the ear plate is slidably sleeved on the sliding rod.
4. The metal-cement based material interface mechanical property testing device of claim 2 or 3, further comprising a normal loading assembly, wherein the normal loading assembly comprises a normal actuator, and the normal actuator is arranged on the second side of the loading frame.
5. The device for testing mechanical properties of a metal-cement based material interface according to claim 4, wherein the normal loading assembly further comprises a first end plate, a second end plate, a retaining member and a cross rod, the first end plate and the second end plate are disposed opposite to each other, a fixed end of the normal actuator is connected to the first end plate, a loaded end of the normal actuator faces the loading frame, the second end plate is located on a side of the groove away from the loading frame, one end of the retaining member is connected to the second end plate, the other end of the retaining member is connected to an outer side of a groove bottom of the groove, and the cross rod is disposed between the first end plate and the second end plate and has two ends respectively connected to the first end plate and the second end plate.
6. The device for testing mechanical properties of a metal-cement based material interface as recited in claim 5, wherein a plurality of said crossbars are disposed around the periphery of said normal actuator.
7. The metal-cement based material interface mechanical property testing device of claim 5, wherein the loading end of the normal actuator is connected with a plate-shaped sliding structure.
8. The metal-cement-based material interface mechanical property testing device as recited in any one of claims 1 to 3, wherein an adjusting member is detachably connected to the bottom of the groove, the length of the adjusting member protruding out of the bottom of the groove is adjustable, and a plurality of the adjusting members are symmetrically distributed about the center of the groove.
9. The device for testing mechanical properties of a metal-cement based material interface as claimed in any one of claims 1 to 3, wherein the supporting member comprises a base and a panel, the panel is vertically connected to the base, and the groove is formed in one side of the panel.
10. The metal-cement based material interface mechanical property testing device of claim 9, wherein a reinforcing rib plate is vertically connected to the other side of the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102398.5A CN111238964A (en) | 2020-02-19 | 2020-02-19 | Metal-cement based material interface mechanical property testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102398.5A CN111238964A (en) | 2020-02-19 | 2020-02-19 | Metal-cement based material interface mechanical property testing device |
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| CN111238964A true CN111238964A (en) | 2020-06-05 |
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| CN202010102398.5A Pending CN111238964A (en) | 2020-02-19 | 2020-02-19 | Metal-cement based material interface mechanical property testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484152A (en) * | 2021-06-30 | 2021-10-08 | 广西路桥工程集团有限公司 | Testing device and method for testing hoop effect of concrete filled steel tube arch rib |
-
2020
- 2020-02-19 CN CN202010102398.5A patent/CN111238964A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484152A (en) * | 2021-06-30 | 2021-10-08 | 广西路桥工程集团有限公司 | Testing device and method for testing hoop effect of concrete filled steel tube arch rib |
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