CN221224383U - Novel cement grouting material compressive strength shaping examination mould - Google Patents
Novel cement grouting material compressive strength shaping examination mould Download PDFInfo
- Publication number
- CN221224383U CN221224383U CN202323221727.6U CN202323221727U CN221224383U CN 221224383 U CN221224383 U CN 221224383U CN 202323221727 U CN202323221727 U CN 202323221727U CN 221224383 U CN221224383 U CN 221224383U
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- side plate
- baffle
- frame body
- bottom plate
- compressive strength
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- 239000004568 cement Substances 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000007493 shaping process Methods 0.000 title claims description 8
- 238000012360 testing method Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000465 moulding Methods 0.000 claims abstract description 20
- 230000000740 bleeding effect Effects 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a novel cement grouting material compressive strength molding test die, which comprises a base and a frame assembly; the base comprises a bottom plate, a first baffle and a second baffle, wherein the first baffle and the second baffle are arranged in parallel and are fixedly arranged on the same side of the bottom plate; the frame body component is arranged on the bottom plate and is positioned between the first baffle and the second baffle; the frame body component is matched with the bottom plate to form a forming cavity; the base is provided with a fixing component for fixing the frame body component on the base; the inner wall of the frame body component is provided with a capillary water guide groove, and the bottom plate is provided with a bleeding hole; a water permeable membrane is arranged in the frame body component. According to the utility model, the capillary water guide groove is arranged on the inner wall of the frame body assembly, and the bleeding holes are arranged on the bottom plate, so that water secreted in the test piece forming process can be adsorbed and led out, the forming environment of the test piece is closer to the actual construction environment, and the compressive strength of the test piece is closer to the actual.
Description
Technical Field
The utility model relates to the technical field of cement grouting, in particular to a compression strength molding test die for cement grouting materials.
Background
Cement grouting is widely applied to tunnel grouting, soil reinforcement and the like as a reinforcing material. The grouting reinforcement construction purpose of the tunnel is mainly to improve the loose property of stratum and treat water, so that the compressive strength and the adhesiveness of the top and the side face of the tunnel are increased, the reinforcement purpose is realized, and the stability of surrounding rock and the safety of the tunnel after lining the tunnel are ensured. The post-grouting technology is a pile foundation construction technology for grouting cement into pile bottom and pile side soil mass to improve the bearing capacity of the pile foundation and reduce sedimentation, and effectively solves the problems of mud skin sediment, pile bottom bearing layer disturbance, pile side soil stress release relaxation and the like in the pile forming process of the bridge cast-in-place pile, and improves the bearing capacity of the pile foundation and the structural safety. The performance of grouting slurry plays an extremely important role in foundation engineering, and even is critical in determining grouting effect. Therefore, in the practical application process, the performance and quality of the slurry must be controlled through relevant performance tests and tests.
The application number 202211343712.4 discloses a cement mortar test die, including test die, film forming bottom plate, base, test die be the box mould of rectangle, locate on the film forming bottom plate, the test die includes baffle and roof at both ends to and locate curb plate and baffle between baffle and the roof, the baffle outside is equipped with spacing post, roof outside connecting bolt, the bolt runs through the fixed plate of locating on the film forming bottom plate, both sides curb plate outside is equipped with the fixed slot, the matching is equipped with the dead lever in the fixed slot. The test die is fixed between the limiting column and the bolt through bolt tightening, so that the test die is more stable on the film forming bottom plate, and loose test die in the compaction process is avoided.
However, the prior art still has the problem that the fluidity requirement on the cement grouting material is high in the construction process, surrounding soil can absorb water to the slurry after the slurry is injected into an engineering entity, bleeding occurs in the process of molding the cement grouting material in a test film, and the existing test film of the molded test piece cannot absorb water, so that the compression strength measured by the test piece is easy to be greatly different from the actual compression strength.
Therefore, designing a test piece to be more close to an actual molding test mold is one of the problems to be solved in the prior art.
Disclosure of utility model
The utility model aims to provide a novel cement grouting material compression strength molding test die, which solves the defects in the prior art, and can adsorb and guide out water secreted in the test piece molding process, so that the molding environment of a test piece is closer to the actual construction environment, and the compression strength of the test piece is closer to the actual.
The utility model provides a novel cement grouting material compressive strength molding test die, which comprises a base and a frame assembly; the base comprises a bottom plate, a first baffle and a second baffle, wherein the first baffle and the second baffle are arranged in parallel and are fixedly arranged on the same side of the bottom plate;
The frame assembly is arranged on the bottom plate and is positioned between the first baffle plate and the second baffle plate; the frame body component is matched with the bottom plate to form a forming cavity;
The base is provided with a fixing component for fixing the frame body component on the base; a capillary water guide groove is formed in the inner wall of the frame body assembly, and a bleeding hole is formed in the bottom plate;
and a water permeable film is arranged in the frame body component.
Preferably, the frame assembly is surrounded by a first side plate, a second side plate, a third side plate and a fourth side plate; the first side plate is arranged on one side close to the first baffle, the second side plate is arranged on one side close to the second baffle, two first limit grooves are formed in one side of the first side plate close to the second side plate, the two first limit grooves are positioned at the edge of the first side plate, two second limit grooves are formed in one side of the second side plate close to the first side plate, the two second limit grooves are positioned at the edge of the second side plate, and the two second limit grooves are opposite to the two first limit grooves respectively; the third side plate and the fourth side plate are respectively inserted into the two opposite first limit grooves and the second limit grooves.
Preferably, the bottom plate is provided with a capillary drainage groove communicated with the capillary water guide groove and the bleeding hole.
Preferably, the securing assembly includes a locking screw; the first baffle is provided with a locking hole; the locking screw is in threaded connection with the locking hole; one end of the locking screw rod is abutted with the first side plate.
Preferably, a screwing handle is arranged at one end of the locking screw away from the first side plate.
Preferably, a sliding block is arranged on one side of the second side plate, which is close to the second baffle plate;
A chute is arranged on one side of the second baffle close to the second side plate; the sliding block is connected with the sliding groove in a sliding fit manner.
Preferably, the sliding direction of the sliding block and the sliding groove is perpendicular to the bottom plate.
Preferably, the diameter of the weeping holes is 1-4 mm.
Preferably, the capillary guide groove has a width of 0.6 to 1.2 mm.
Preferably, the capillary guide groove has a depth of 0.5 to 1 mm.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the capillary water guide groove is arranged on the inner wall of the frame body assembly, and the bleeding holes are arranged on the bottom plate, so that water secreted in the test piece forming process can be adsorbed and led out, the forming environment of the test piece is closer to the actual construction environment, and the compressive strength of the test piece is closer to the actual.
2. According to the utility model, the water permeable film is arranged in the frame body component, so that the surface of the molded test piece is smoother and smoother, the discreteness of experimental data is small, and the repeatability is good.
3. According to the utility model, the frame body assembly is formed by connecting the first side plate, the second side plate, the third side plate and the fourth side plate in a clamping manner, so that the test piece can be conveniently taken out of the die after being molded.
4. According to the utility model, the sliding block is arranged on the second side plate, the sliding groove matched with the sliding block is arranged on the second baffle, so that the second side plate can be conveniently and quickly installed in place, the left and right movement is avoided, meanwhile, the limiting effect on the frame body assembly can be realized, the contact area between the frame body assembly and the base is increased, the connection fastness between the frame body and the base is improved, and the loosening of a test die in the compaction process is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a novel compressive strength molding test mold for cement grouting materials according to an embodiment of the utility model;
FIG. 2 is a schematic structural view of a frame assembly;
FIG. 3 is a schematic view of the structure of the first side plate;
FIG. 4 is a schematic structural view of a second side plate according to the first embodiment;
FIG. 5 is a schematic view of the structure of the base;
FIG. 6 is a schematic structural view of a third side plate;
FIG. 7 is a schematic structural diagram of a novel compressive strength molding test mold for cement grouting materials according to the second embodiment of the utility model;
fig. 8 is an exploded view of fig. 7.
Reference numerals illustrate:
The device comprises a 1-base, a 2-frame assembly, a 101-bottom plate, a 102-first baffle plate, a 103-second baffle plate, a 201-capillary water guide groove, 1011-bleeding holes, 3-water permeable films, 4-first side plates, 5-second side plates, 6-third side plates, 7-fourth side plates, 401-first limit grooves, 501-second limit grooves, 1012-capillary water discharge grooves, 8-locking screws, 1021-locking holes, 9-screwing handles, 10-sliding blocks and 1031-sliding grooves.
Detailed Description
The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In a first embodiment of the present utility model:
Referring to fig. 1-6, a novel cement grouting material compression strength molding test mold comprises a base 1 and a frame body component 2;
The base 1 is in a U-shaped structure and comprises a bottom plate 101, a first baffle plate 102 and a second baffle plate 103, wherein the first baffle plate 102 and the second baffle plate 103 are arranged in parallel and are fixedly arranged on the same side of the bottom plate 101;
The frame body assembly 2 is arranged on the bottom plate 101 and is positioned between the first baffle plate 102 and the second baffle plate 103; the frame body component 2 is matched with the bottom plate 101 to form a forming cavity; the frame body component 2 can be taken down from the base 1, so that the test piece can be conveniently demoulded after being molded.
The base 1 is provided with a fixing component for fixing the frame body component 2 on the base 1; the inner wall of the frame body assembly 2 is provided with the capillary water guide groove 201, the capillary water guide groove 201 is arranged along the direction vertical to the bottom plate 101, so that water discharged in the test piece forming process is more conveniently led out of the capillary water guide groove 201, the bottom plate 101 is provided with the bleeding holes 1011, and the setting of the bleeding holes 1011 is convenient for discharging the water led out of the capillary water guide groove 201 out of the die; be equipped with water-permeable membrane 3 in the framework subassembly 2, the size of water-permeable membrane 3 is the same with the shaping chamber that framework subassembly 2 and bottom plate 101 enclose, sets up water-permeable membrane 3 and can prevent that cement paste from blocking up weeping hole 1011 and capillary guide groove 201 after the cement paste pours into the shaping chamber, can make test piece shaping back surface smoother again, can also make things convenient for the test piece drawing of patterns after the shaping. The existing permeable membrane is selected as the permeable membrane 3, and the permeable membrane 3 is replaceable, namely, when one test piece is manufactured and another test piece is required to be manufactured, the new permeable membrane 3 is replaced again. The diameter of the weep hole 1011 is 1-4 mm, the width of the capillary guide groove 201 is 0.6 to 1.2 mm, the depth of the capillary guide groove 201 is 0.5 to 1 mm, here, taking the diameter of the weep hole 1011 as 1 mm, the width of the capillary guide groove 201 as 0.6 mm, and the depth of the capillary guide groove 201 as 0.5 mm as an example.
When the device is used, the frame body assembly 2 is placed on the base 1, the frame body assembly 2 is fixed on the base 1 through the fixing assembly (after the frame body assembly 2 is fixed firmly, the bleeding hole 1011 is just at the center of the bottom of the forming cavity, so that water which is discharged during the forming of two test pieces is easier to discharge), then the water permeable membrane 3 is placed, cement slurry is injected into the forming cavity, and finally cement slurry in the forming cavity is compacted.
Referring to fig. 2, the frame assembly 2 is surrounded by a first side plate 4, a second side plate 5, a third side plate 6 and a fourth side plate 7; the first side plate 4 is arranged on one side close to the first baffle plate 102, the second side plate 5 is arranged on one side close to the second baffle plate 103, two first limit grooves 401 are formed in one side of the first side plate 4 close to the second side plate 5, the first limit grooves 401 are formed in the direction perpendicular to the bottom plate 101, the two first limit grooves 401 are formed in the edge of the first side plate 4, two second limit grooves 501 are formed in one side of the second side plate 5 close to the first side plate 4, the second limit grooves 501 are also formed in the direction perpendicular to the bottom plate 101, the two second limit grooves 501 are formed in the edge of the second side plate 5, and the two second limit grooves 501 are arranged opposite to the two first limit grooves 401 respectively; the third side plate 6 and the fourth side plate 7 are respectively inserted into the first limit groove 401 and the second limit groove 501 which are opposite to each other. Through the mode with first curb plate 4, second curb plate 5, third curb plate 6 and fourth curb plate 7 through the joint connect the constitution, take out from the mould after making things convenient for the test piece shaping.
The bottom plate 101 is provided with a capillary drainage groove 1012 communicated with the capillary water guide groove 201 and the bleeding hole 1011, the depth of the capillary drainage groove 1012 is 0.5 to 1mm, and the width is 0.6 to 1.2 mm, and the capillary drainage groove 1012 is arranged so that water discharged from the capillary water guide groove 201 is more easily discharged into the bleeding hole 1011 and is discharged from the die.
Further, the fixing assembly comprises a locking screw 8; the first baffle 102 is provided with a locking hole 1021; the locking screw rod 8 is in threaded connection with the locking hole 1021; one end of the locking screw 8 abuts against the first side plate 4.
In order to facilitate the rotation of the locking screw 8, a tightening handle 9 is provided at the end of the locking screw 8 remote from the first side plate 4.
In a second embodiment of the present utility model:
The present embodiment is further improved based on the first embodiment, and the same parts as the first embodiment are not described in detail; referring to fig. 7 to 8, a slider 10 is provided on one side of the second side plate 5 near the second baffle 103; a chute 1031 is arranged on one side of the second baffle 103 close to the second side plate 5; the sliding block 10 is connected with the sliding groove 1031 in a sliding fit manner, and the sliding direction of the sliding block 10 and the sliding groove 1031 is perpendicular to the bottom plate 101. So set up and make things convenient for second curb plate 5 to install fast in place, avoid appearing controlling the removal, can play spacing effect to framework subassembly 2 simultaneously, increase the area of contact of framework subassembly 2 and base 1, improve the connection fastness of framework subassembly 2 and base 1, avoid testing the mould at the tap in-process not hard up.
According to the utility model, the capillary water guide groove 201 is arranged on the inner wall of the frame body assembly 2, and the bleeding hole 1011 is arranged on the bottom plate 101, so that water secreted in the test piece forming process can be adsorbed and led out, the forming environment of the test piece is closer to the actual construction environment, and the compressive strength of the test piece is closer to the actual. The water permeable membrane 3 is arranged in the frame body assembly 2, so that the surface of a test piece after being molded is smoother and smoother, the discreteness of experimental data is small, and the repeatability is good. The whole test membrane is simple in structure, convenient to install and detach, and convenient to take out from the die after the test piece is molded. The water permeable film can enable the surface of the molded test piece to be smoother and smoother, and experimental data has small discreteness and good reproducibility.
The foregoing detailed description of the preferred embodiments of the present utility model will be presented in terms of a detailed description of the preferred embodiments of the utility model, but the utility model is not limited to the details of the preferred embodiments of the utility model, and is intended to cover all modifications and equivalent arrangements included within the spirit of the present utility model.
Claims (10)
1. The utility model provides a novel cement grouting material compressive strength shaping examination mould which characterized in that: comprises a base (1) and a frame body component (2);
The base (1) comprises a bottom plate (101), a first baffle (102) and a second baffle (103), wherein the first baffle (102) and the second baffle (103) are arranged in parallel and are fixedly arranged on the same side of the bottom plate (101);
The frame body assembly (2) is arranged on the bottom plate (101) and is positioned between the first baffle (102) and the second baffle (103); the frame body component (2) is matched with the bottom plate (101) to form a forming cavity;
The base (1) is provided with a fixing component for fixing the frame body component (2) on the base (1); a capillary water guide groove (201) is formed in the inner wall of the frame body assembly (2), and a bleeding hole (1011) is formed in the bottom plate (101);
a water permeable membrane (3) is arranged in the frame body component (2).
2. The novel cement grouting material compressive strength molding test die according to claim 1, wherein: the frame body assembly (2) is surrounded by a first side plate (4), a second side plate (5), a third side plate (6) and a fourth side plate (7); the first side plate (4) is arranged on one side close to the first baffle plate (102), the second side plate (5) is arranged on one side close to the second baffle plate (103), two first limit grooves (401) are formed in one side of the first side plate (4) close to the second side plate (5), the two first limit grooves (401) are formed in the edge of the first side plate (4), two second limit grooves (501) are formed in one side of the second side plate (5) close to the first side plate (4), the two second limit grooves (501) are formed in the edge of the second side plate (5), and the two second limit grooves (501) are arranged opposite to the two first limit grooves (401) respectively; the third side plate (6) and the fourth side plate (7) are respectively inserted into the two opposite first limit grooves (401) and the second limit grooves (501).
3. The novel cement grouting material compressive strength molding test die according to claim 2, wherein: and a capillary drainage groove (1012) communicated with the capillary water guide groove (201) and the bleeding hole (1011) is formed in the bottom plate (101).
4. The novel cement grouting material compressive strength molding test die according to claim 2, wherein: the fixing assembly comprises a locking screw (8); the first baffle (102) is provided with a locking hole (1021); the locking screw rod (8) is in threaded connection with the locking hole (1021); one end of the locking screw rod (8) is abutted with the first side plate (4).
5. The novel cement grouting material compressive strength molding test die according to claim 4, wherein: one end of the locking screw rod (8) far away from the first side plate (4) is provided with a screwing handle (9).
6. The novel cement grouting material compressive strength molding test die according to claim 2, wherein: a sliding block (10) is arranged on one side of the second side plate (5) close to the second baffle (103);
A chute (1031) is arranged on one side of the second baffle (103) close to the second side plate (5); the sliding block (10) is connected with the sliding groove (1031) in a sliding fit manner.
7. The novel cement grouting material compressive strength molding test die according to claim 6, wherein: the sliding direction of the sliding block (10) and the sliding groove (1031) is perpendicular to the bottom plate (101).
8. The novel cement grouting material compressive strength molding test die according to any one of claims 1 to 7, wherein: the diameter of the bleeding hole (1011) is 1-4 mm.
9. The novel cement grouting material compression strength molding test die according to any one of claims 1 to 6, wherein: the capillary guide groove (201) has a width of 0.6 to 1.2 mm.
10. The novel cement grouting material compressive strength molding test die according to claim 1, wherein: the capillary guide groove (201) has a depth of 0.5 to 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323221727.6U CN221224383U (en) | 2023-11-28 | 2023-11-28 | Novel cement grouting material compressive strength shaping examination mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323221727.6U CN221224383U (en) | 2023-11-28 | 2023-11-28 | Novel cement grouting material compressive strength shaping examination mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221224383U true CN221224383U (en) | 2024-06-25 |
Family
ID=91569077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323221727.6U Active CN221224383U (en) | 2023-11-28 | 2023-11-28 | Novel cement grouting material compressive strength shaping examination mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221224383U (en) |
-
2023
- 2023-11-28 CN CN202323221727.6U patent/CN221224383U/en active Active
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