CN216484349U - Concrete elastic modulus tester for improving measurement accuracy - Google Patents
Concrete elastic modulus tester for improving measurement accuracy Download PDFInfo
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- CN216484349U CN216484349U CN202123110282.5U CN202123110282U CN216484349U CN 216484349 U CN216484349 U CN 216484349U CN 202123110282 U CN202123110282 U CN 202123110282U CN 216484349 U CN216484349 U CN 216484349U
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Abstract
The utility model relates to an improve concrete elastic modulus apparatus of measuring accuracy belongs to the technical field that building material detected, and the concrete elastic modulus apparatus of measuring accuracy is improved includes to fit with a contraceptive ring and lower ring, one side of keeping away from the lower ring of fitting with a contraceptive ring can be dismantled and is provided with the support, be provided with the telescopic link on the support, the extending direction of telescopic link sets up along vertical direction, the telescopic link is located the upper ring central point and puts, the telescopic link is kept away from the tip of support and is used for the central butt with the concrete that awaits measuring. This application has and is convenient for place the concrete that awaits measuring fast accurately and encircle the center under with fitting with a contraceptive ring, improves the effect of measuring the accuracy.
Description
Technical Field
The application relates to the technical field of building material detection, in particular to a concrete elastic modulus tester for improving measurement accuracy.
Background
The concrete elasticity modulus tester is mainly used for measuring the elasticity modulus of the concrete test block. The elastic modulus is an important mechanical property of concrete, reflects the relationship between the stress borne by the concrete and the generated strain, and is one of the necessary parameters for calculating the deformation, crack development and temperature stress of large-volume concrete of a reinforced concrete structure.
In the related art, for example, chinese patent publication No. CN207263542U discloses a concrete elasticity modulus measuring apparatus, which includes an upper ring, a lower ring coinciding with a central axis of the upper ring, a plurality of dial indicators located between the upper ring and the lower ring, and a plurality of support rods located between the upper ring and the lower ring, wherein a plurality of fastening screws with free ends extending into the upper ring and the lower ring are screwed on the upper ring and the lower ring. Placing the concrete that will await measuring and fitting with a contraceptive ring and lower ring in, then rotatory fastening screw makes fastening screw and concrete contact to make and fitting with a contraceptive ring and lower ring all fix on the concrete, then zero the amesdial, take off the bracing piece between fitting with a contraceptive ring and the lower ring simultaneously, start the press, make the upper surface and the lower surface of concrete receive the external load of quota, the concrete that awaits measuring takes place deformation, the volume that takes place deformation shows from the amesdial.
Aiming at the related technologies, the inventor finds that when a worker places concrete to be measured in an upper ring and a lower ring, the concrete to be measured cannot be placed in the central positions of the upper ring and the lower ring quickly and accurately, so that the accuracy of a measuring result is poor.
SUMMERY OF THE UTILITY MODEL
In order to be convenient for place the concrete that awaits measuring at last ring and lower ring center fast accurately, improve measuring accuracy, this application provides an improvement and measures concrete elastic modulus apparatus of accuracy.
The application provides an improve concrete elasticity modulus apparatus of measuring accuracy adopts following technical scheme:
the utility model provides an improve concrete elastic modulus apparatus of measuring accuracy, includes to fit with a contraceptive ring and lower ring, the one side of keeping away from the lower ring on a contraceptive ring can be dismantled and is provided with the support, be provided with the telescopic link on the support, the extending direction of telescopic link sets up along vertical direction, the telescopic link is located upper ring central point and puts, the telescopic link is kept away from the tip of support and is used for the central butt with the concrete that awaits measuring.
By adopting the technical scheme, the upper ring and the lower ring are sleeved outside the concrete to be measured, and the upper ring and the lower ring are moved to the required positions, so that the end part of the telescopic rod is abutted against the central position of the end face of the concrete to be measured and aligned coaxially, the concrete to be measured is positioned at the centers of the upper ring and the lower ring, the measurement accuracy is improved, and the method is simple and convenient; after the upper ring and the lower ring are fixed with the concrete to be measured respectively, the support and the telescopic rod can be taken down from the upper ring so as to be convenient for subsequent measurement.
Preferably, one side that the lower ring was kept away from and is provided with a plurality of outer poles, it is equipped with interior pole to slide the cover in the outer pole, the slip direction of interior pole sets up along vertical direction, be provided with on the outer pole and be used for the mounting to the outer pole with interior pole relatively fixed.
By adopting the technical scheme, the upper ring and the lower ring are sleeved outside the concrete to be measured, all the inner rods slide to the uniform required positions, the upper ring and the lower ring are positioned at the required positions of the concrete to be measured, the inner rods are relatively fixed to the outer rods through the fixing pieces, and the outer rods and the inner rods support the lower ring, so that the upper ring and the lower ring are kept in a balanced state, and then the upper ring and the lower ring are respectively fixed with the concrete to be measured, so that the possibility of inclination of the upper ring and the lower ring is reduced, the telescopic rod is aligned with the center of the concrete to be measured, and the measurement accuracy is further improved; the inner rod is separated from the supporting surface by sliding the inner rod, and the inner rod is fixed by the fixing piece, so that the concrete to be measured is conveniently measured.
Preferably, the fixing part comprises a bolt threaded on the outer rod, and the end of the bolt is used for abutting against the outer wall of the inner rod.
By adopting the technical scheme, the bolt is rotated to be separated from the inner rod, so that the inner rod can slide conveniently; the bolt is rotated to enable the bolt to be abutted against the inner rod, so that the inner rod and the outer rod are relatively fixed, the inner rod can be conveniently slid and fixed to a required position, the possibility of inclination of the lower ring is reduced, and the measurement error is reduced.
Preferably, the outer wall of the inner rod is provided with a first scale mark.
Through adopting above-mentioned technical scheme, the setting of first scale mark is favorable to sliding all interior poles to unified position, and convenient and fast reduces the possibility of lower ring slope, further is favorable to improving measuring accuracy.
Preferably, be provided with the bracing piece between the upper ring and the lower ring, the bracing piece is including the first body of rod of pegging graft on the upper ring and the second body of rod of threaded connection on the first body of rod, the one end that the first body of rod was kept away from to the second body of rod is pegged graft on the lower ring, be provided with the second scale mark on the second body of rod, be provided with the pointer on the first body of rod, the pointer is used for instructing the scale on the second scale mark.
Through adopting above-mentioned technical scheme, the position of the second scale mark through the pointer instruction is favorable to being connected the first body of rod and the second body of rod and fixed to required position, reduces to connect the possibility that does not put in place and make the tilt of fitting with a contraceptive ring, is convenient for make the concrete that awaits measuring be located the center of fitting with a contraceptive ring and lower ring to further improve the accuracy that detects.
Preferably, an installation plate is arranged at one end, close to the upper ring, of the support, a fixing column is arranged at one end, far away from the lower ring, of the upper ring, a limiting block is rotatably arranged at one end, far away from the upper ring, of the fixing column, the rotation axis of the limiting block is parallel to the extension direction of the telescopic rod, the thickness of the installation plate is matched with the length of the fixing column, a through hole for the fixing column and the limiting block to penetrate through is formed in the installation plate, and the limiting block is used for being abutted against one surface, far away from the upper ring, of the installation plate.
By adopting the technical scheme, the fixing column and the limiting block penetrate through the through hole, and the limiting block is rotated to enable the limiting block to be abutted against one surface of the mounting plate, which is far away from the upper ring, so that the mounting of the support and the upper ring is realized, and the concrete to be tested is conveniently placed at the centers of the upper ring and the lower ring in the follow-up process; the limiting block is rotated to align the limiting block with the through hole, so that the mounting plate can be taken down from the upper ring, the support and the upper ring can be detached, and the concrete to be measured can be conveniently measured.
Preferably, one side of the limiting block, which is close to the upper ring, is provided with an anti-slip layer, and the anti-slip layer is used for enhancing the friction force between the limiting block and the mounting plate.
Through adopting above-mentioned technical scheme, the skid resistant course be provided with do benefit to the reinforcing and limit the frictional force between piece and the mounting panel to reduce and limit the piece and appear unnecessary slip, improve the relative fixed effect between limiting piece and the mounting panel.
Preferably, the outer rod is detachably arranged on the lower ring.
Through adopting above-mentioned technical scheme, can dismantle the setting between outer pole and the lower ring, the transportation of the apparatus of being convenient for.
In summary, the present application includes at least one of the following beneficial technical effects:
the upper ring and the lower ring are sleeved outside the concrete to be measured, the upper ring and the lower ring are moved to required positions, and the end part of the telescopic rod is abutted against the central position of the end face of the concrete to be measured and is aligned coaxially, so that the concrete to be measured is positioned in the centers of the upper ring and the lower ring, the measurement accuracy is improved, and the method is simple and convenient;
will fit with a contraceptive ring and encircle the cover outside the concrete that awaits measuring, through first scale mark, slide to unified required position in all interior poles, make and fit with a contraceptive ring and encircle the required position that is located the concrete that awaits measuring with the lower ring, will go up pole relatively fixed to the outer pole through the mounting in with, make outer pole and interior pole support the lower ring, thereby make and fit with a contraceptive ring and lower ring keep balanced state, it is fixed with the concrete that awaits measuring respectively with the lower ring to fit with a contraceptive ring again, in order to reduce the possibility of fitting with a contraceptive ring and the slope of lower ring, so that make the telescopic link align with the center of the concrete that awaits measuring, further improve measuring accuracy.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an exploded view of the overall structure of an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. ring fitting; 2. a lower ring; 3. a support; 31. erecting a rod; 32. a cross bar; 4. a telescopic rod; 41. a loop bar; 42. a slide bar; 5. an outer rod; 6. an inner rod; 7. a bolt; 8. a first scale mark; 9. a support bar; 91. a first rod body; 92. a second rod body; 10. a second scale mark; 11. a pointer; 12. mounting a plate; 13. fixing a column; 14. a limiting block; 15. a through hole; 16. an anti-slip layer; 17. a slot; 18. and (4) screws.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a concrete elasticity modulus tester for improving measurement accuracy. Referring to fig. 1, improve concrete elastic modulus apparatus of measurement accuracy includes ring 1 and lower ring 2, ring 1 keeps away from one side of lower ring 2 and can dismantle and be provided with support 3, support 3 is including dismantling pole setting 31 and the horizontal pole 32 of fixed connection on pole setting 31 that sets up ring 1 keeps away from lower ring 2 one side, in this embodiment, pole setting 31 is provided with threely, three horizontal pole 32 extends and intersects in the center department of ring 1 towards the center of ring 1, the crossing place of horizontal pole 32 is close to one side fixedly connected with telescopic link 4 of ring 1, telescopic link 4 is located the central point of ring 1, the extending direction of telescopic link 4 sets up along vertical direction, telescopic link 4 includes that loop bar 41 and the slip cover of fixed connection on horizontal pole 32 establish the slide bar 42 in loop bar 41, the slide bar 42 is close to the tip of ring 1 and is used for the center butt with the concrete that awaits measuring.
Referring to fig. 2 and 3, one end of each upright rod 31 close to the upper ring 1 is fixedly connected with a mounting plate 12, one side of the upper ring 1 far from the lower ring 2 is fixedly connected with a fixed column 13, the fixed columns 13 correspond to the mounting plates 12 one by one, the length direction of the fixed columns 13 is parallel to the extending direction of the telescopic rod 4, one end of the fixed columns 13 far from the upper ring 1 is rotatably provided with a limiting block 14, the cross section of the limiting block 14 is rectangular, the rotating axis of the limiting block 14 is parallel to the extending direction of the telescopic rod 4, the thickness of the mounting plate 12 is matched with the length of the fixed columns 13, the mounting plate 12 is provided with a through hole 15 for the fixed columns 13 and the limiting blocks 14 to pass through, the limiting block 14 is used for abutting against one side of the mounting plate 12 far from the upper ring 1, one side of the limiting block 14 close to the upper ring 1 is bonded with an anti-slip layer 16 for enhancing the friction force between the limiting blocks 14 and the mounting plate 12 far from one side of the upper ring 1, in the present embodiment, the anti-slip layer 16 is a silicone layer, and in other embodiments, the silicone layer may be replaced by a rubber layer.
When concrete to be measured needs to be measured, the through hole 15 in the mounting plate 12 penetrates through the fixing column 13 and the limiting block 14, the mounting plate 12 is abutted against the upper ring 1, then the limiting block 14 is rotated, the limiting block 14 is abutted against one surface, far away from the upper ring 1, of the mounting plate 12, the mounting of the telescopic rod 4 is realized, the limiting block 14 is tightly abutted against the mounting plate 12 due to the arrangement of the non-slip mat, and the relative fixing effect is improved; sleeving the upper ring 1 and the lower ring 2 outside the concrete to be measured, moving the upper ring 1 and the lower ring 2 to required positions, and enabling the end part of the sliding rod 42 close to the upper ring 1 to be abutted against the central position of the concrete to be measured and to be aligned coaxially, so that the concrete to be measured is quickly and accurately placed in the centers of the upper ring 1 and the lower ring 2, and the measurement accuracy is improved; after fixing the upper ring 1 and the lower ring 2 with the concrete to be measured respectively, the limiting block 14 is rotated, the limiting block 14 is aligned with the through hole 15, the upright rod 31 is communicated with the telescopic rod 4, and the telescopic rod can be taken down from the upper ring 1, so that subsequent measurement is convenient.
Referring to fig. 1, a plurality of support rods 9 are arranged between the upper ring 1 and the lower ring 2 at intervals, in this embodiment, 3 support rods 9 are provided; the bracing piece 9 is including pegging graft first body of rod 91 and the second body of rod 92 of threaded connection on first body of rod 91 on upper ring 1, the one end that first body of rod 91 was kept away from to the second body of rod 92 is pegged graft on lower ring 2, slot 17 has all been seted up on upper ring 1 and the lower ring 2, slot 17 is pegged graft the cooperation with first body of rod 91 and second body of rod 92 respectively, be provided with second scale mark 10 on the second body of rod 92, fixedly connected with pointer 11 on the first body of rod 91, pointer 11 is used for instructing the scale on the second scale mark 10, pointer 11 sets up towards the one side that is close to the second body of rod 92.
When concrete to be measured needs to be measured, the first rod body 91 in threaded connection with the second rod body 92 is moved into the slot 17 of the upper ring 1, the second rod body 92 is rotated, the second rod body 92 extends into the slot 17 of the lower ring 2 and is tightly abutted against the bottom wall of the slot 17, and the pointer 11 is pointed on the same scale on the second rod body 92, so that the supporting rods 9 are adjusted to be at the same position, the upper ring 1 and the lower ring 2 are kept parallel, the possibility of inclination of the upper ring 1 and the lower ring 2 is reduced, the telescopic rod 4 is convenient to be concentric with the concrete to be measured, and the measurement accuracy is improved; after will encircle 1 and 2 respectively with the concrete that awaits measuring and fix, rotate the second body of rod 92, make the second body of rod 92 towards the direction shrink of the first body of rod 91, break away from with slot 17 to be convenient for take off bracing piece 9 from last ring 1.
Referring to fig. 1, the interval is dismantled to one side that the lower ring 2 kept away from to go up ring 1 and a plurality of outer poles 5 are connected, in this embodiment, outer pole 5 is provided with 3, slide the cover in the outer pole 5 and be equipped with interior pole 6, the slip direction of interior pole 6 sets up along vertical direction, be provided with first scale mark 8 on the interior pole 6 outer wall, be provided with on the outer pole 5 and be used for the mounting to outer pole 5 with interior pole 6 relatively fixed, the mounting includes that the screw thread wears to establish bolt 7 on outer pole 5, the tip of bolt 7 is used for with interior pole 6 outer wall butt.
When concrete to be measured needs to be measured, the upper ring 1 and the lower ring 2 are sleeved outside the concrete to be measured, the end part, far away from the outer rod 5, of the inner rod 6 is placed on a supporting surface and is flush with the bottom wall of the concrete to be measured, the bolt 7 is rotated to enable the bolt 7 to be separated from the inner rod 6, the inner rod 6 is moved, the inner rod 6 is slid to a uniform position through a first scale mark 8 on the inner rod 6, the upper ring 1 and the lower ring 2 are located at required positions, the upper ring 1 and the lower ring 2 are kept balanced, then the bolt 7 is rotated to enable the bolt 7 to be tightly abutted against the inner rod 6, the outer rod 5 and the inner rod 6 are relatively fixed, then the upper ring 1 and the lower ring 2 are respectively fixed with the concrete to be measured, the possibility of inclination of the upper ring 1 and the lower ring 2 is reduced, and the measurement accuracy is improved; after the upper ring 1 and the lower ring 2 are fixed with concrete to be measured respectively, the bolt 7 is rotated to separate the bolt 7 from the inner rod 6, the sliding inner rod 6 is separated from the supporting surface, the inner rod 6 is slid into the outer rod 5, and then the bolt 7 is rotated to enable the bolt 7 to be tightly abutted against the inner rod 6, so that subsequent measurement is facilitated, and errors are reduced.
Referring to fig. 1, in the present embodiment, the outer rod 5 is connected to the side of the lower ring 2 away from the upper ring 1 through a screw 18, and in other embodiments, the screw 18 can be replaced by a bolt or a bolt, and the outer rod 5 can be detached from the lower ring 2. The screw 18 is rotated to realize the disassembly and assembly between the outer rod 5 and the lower ring 2, thereby providing convenience for the transportation of the measuring instrument.
The implementation principle of the embodiment of the application is as follows: when the concrete that needs to await measuring is surveyed, pass through hole 15 on the mounting panel 12 fixed column 13 and limiting block 14, make mounting panel 12 and go up a contraceptive ring 1 butt, then rotate limiting block 14, make limiting block 14 and mounting panel 12 keep away from the one side butt of going up a contraceptive ring 1, in will moving into the slot 17 of going up a contraceptive ring 1 with the first body of rod 91 of second body of rod 92 threaded connection, rotate the second body of rod 92, make the second body of rod 92 extend to in the slot 17 of lower ring 2, support tightly with slot 17 diapire, indicate the same scale on the second body of rod 92 with pointer 11.
Sleeving the upper ring 1 and the lower ring 2 outside the concrete to be tested, placing the end part, far away from the outer rod 5, of the inner rod 6 on a supporting surface and flush with the bottom wall of the concrete to be tested, rotating the bolt 7 to separate the bolt 7 from the inner rod 6, moving the inner rod 6, sliding the inner rod 6 to a uniform position through a first scale mark 8 on the inner rod 6, enabling the upper ring 1 and the lower ring 2 to be located at required positions, and rotating the bolt 7 to enable the bolt 7 to be abutted against the inner rod 6; horizontal migration goes up ring 1 and lower ring 2, makes slide bar 42 be close to the tip of going up ring 1 and the central point of the concrete that awaits measuring puts conflict and the coaxial line aligns to swiftly accurately place the concrete that awaits measuring at the center of going up ring 1 with lower ring 2, then will go up ring 1 and lower ring 2 respectively with the concrete that awaits measuring fixed, be favorable to improving measuring accuracy.
After the upper ring 1 and the lower ring 2 are respectively fixed with the concrete to be tested, the limiting block 14 is rotated to align the limiting block 14 with the through hole 15, the upright rod 31 and the telescopic rod 4 are taken down from the upper ring 1, then the second rod body 92 is rotated to enable the second rod body 92 to contract towards the first rod body 91 and to be separated from the slot 17, and the supporting rod 9 is taken down from the upper ring 1; and finally, rotating the bolt 7 to separate the bolt 7 from the inner rod 6, sliding the inner rod 6 from the supporting surface, sliding the inner rod 6 into the outer rod 5, and rotating the bolt 7 to enable the bolt 7 to be tightly abutted against the inner rod 6, so that subsequent measurement is facilitated, and errors are reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an improve concrete elastic modulus apparatus of measuring accuracy, includes upper ring (1) and lower ring (2), its characterized in that: go up ring (1) and keep away from one side of lower ring (2) and can dismantle and be provided with support (3), be provided with telescopic link (4) on support (3), the extending direction of telescopic link (4) sets up along vertical direction, telescopic link (4) are located ring (1) central point and put, telescopic link (4) keep away from the tip of support (3) be used for with the central butt of the concrete that awaits measuring.
2. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 1, which is characterized in that: one side that lower ring (2) kept away from and fitted with a contraceptive ring (1) is provided with a plurality of outer poles (5), slide the cover in outer pole (5) and be equipped with interior pole (6), the slip direction of interior pole (6) sets up along vertical direction, be provided with on outer pole (5) and be used for the mounting on pole (6) relatively fixed extremely outer pole (5) in with.
3. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 2, characterized in that: the fixing piece comprises a bolt (7) which is threaded on the outer rod (5), and the end part of the bolt (7) is used for being abutted against the outer wall of the inner rod (6).
4. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 2, characterized in that: the outer wall of the inner rod (6) is provided with first scale marks (8).
5. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 1, which is characterized in that: the utility model discloses a multi-scale ring on-load operation, including last ring (1) and lower ring (2) between be provided with a plurality of bracing pieces (9), bracing piece (9) are including pegging graft first body of rod (91) on last ring (1) and threaded connection second body of rod (92) on first body of rod (91), the one end that first body of rod (91) was kept away from to second body of rod (92) is pegged graft on lower ring (2), be provided with second scale mark (10) on the second body of rod (92), be provided with pointer (11) on the first body of rod (91), pointer (11) are used for instructing the scale on second scale mark (10).
6. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 1, which is characterized in that: the support (3) is provided with mounting panel (12) near the one end of fitting up ring (1), the one end that goes away from lower ring (2) of fitting up ring (1) is provided with fixed column (13), the one end that goes away from fitting up ring (1) of fixed column (13) rotates and is provided with limiting block (14), the axis of rotation of limiting block (14) is on a parallel with the extending direction of telescopic link (4), the thickness size of mounting panel (12) and the length size looks adaptation of fixed column (13), offer on mounting panel (12) and be used for supplying fixed column (13) and limiting block (14) to pass through hole (15), limiting block (14) are used for with mounting panel (12) keep away from the one side butt of fitting up ring (1).
7. A concrete elasticity modulus tester for improving the measurement accuracy according to claim 6, characterized in that: the side, close to the upper ring (1), of the limiting block (14) is provided with an anti-slip layer (16), and the anti-slip layer (16) is used for enhancing the friction force between the limiting block (14) and the mounting plate (12).
8. The concrete elasticity modulus tester for improving the measurement accuracy according to claim 2, characterized in that: the outer rod (5) is detachably arranged on the lower ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123110282.5U CN216484349U (en) | 2021-12-11 | 2021-12-11 | Concrete elastic modulus tester for improving measurement accuracy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123110282.5U CN216484349U (en) | 2021-12-11 | 2021-12-11 | Concrete elastic modulus tester for improving measurement accuracy |
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| CN216484349U true CN216484349U (en) | 2022-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110039A (en) * | 2023-08-09 | 2023-11-24 | 黄山交投公路工程试验检测有限公司 | Concrete elastic modulus tester |
| CN117760825A (en) * | 2023-11-30 | 2024-03-26 | 西南石油大学 | Device and method for measuring elastic modulus of mass concrete |
-
2021
- 2021-12-11 CN CN202123110282.5U patent/CN216484349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110039A (en) * | 2023-08-09 | 2023-11-24 | 黄山交投公路工程试验检测有限公司 | Concrete elastic modulus tester |
| CN117760825A (en) * | 2023-11-30 | 2024-03-26 | 西南石油大学 | Device and method for measuring elastic modulus of mass concrete |
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