CN220960860U - Pouring die for testing interlayer fracture performance of concrete by three-point bending beam method - Google Patents
Pouring die for testing interlayer fracture performance of concrete by three-point bending beam method Download PDFInfo
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- CN220960860U CN220960860U CN202322431401.XU CN202322431401U CN220960860U CN 220960860 U CN220960860 U CN 220960860U CN 202322431401 U CN202322431401 U CN 202322431401U CN 220960860 U CN220960860 U CN 220960860U
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- 239000011229 interlayer Substances 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000013001 point bending Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims 18
- 238000010276 construction Methods 0.000 abstract description 9
- 239000010410 layer Substances 0.000 abstract description 6
- 239000000565 sealant Substances 0.000 description 21
- 238000013461 design Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
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- 238000009434 installation Methods 0.000 description 1
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Abstract
The pouring die for testing the interlayer fracture performance of the concrete by a three-point bending beam method comprises a left cavity and a right cavity, wherein the two cavities share a bottom plate, a first top plate and a second top plate are respectively arranged at the top of the two cavities, a prefabricated seam steel plate and a partition plate in the middle are fixed between the two cavities to separate the die cavity into two cavities, the left cavity also comprises a first front side plate, a first rear side plate and a left side end plate which are fixed on the bottom plate, the top of the first rear side plate and the left side end plate are fixed on the top of the first front side plate, the first rear side plate so that the left cavity forms a closed independent cavity, the right cavity comprises a bottom plate, a second front side plate, a second rear side plate, a right side end plate and a second top plate which are mutually fixed together, when the right cavity is used, the partition plate of the left cavity is removed, and the second rear side plate of the right cavity is connected with the first rear side plate of the left cavity to form an integral closed independent cavity; the device is convenient to install and detach, is poured in a layered mode, is good in compactness, enables an interlayer interface to be better exposed to an environment which is set in advance, and is convenient to study influence of factors on fracture performance among concrete layers in the construction process.
Description
Technical Field
The utility model relates to the technical field of concrete pouring dies, in particular to a test block layered pouring die for testing a concrete three-point bending beam method.
Background
In the concrete dam construction process, because the pouring time is different, a discontinuous pouring interface can be formed inside the concrete structure, meanwhile, factors such as temperature, humidity and wind speed of a construction site can influence the performance of an interlayer interface, and the poor construction environment can further reduce the integrity and durability of the dam. In order to research the influence of factors in construction environment on the interlayer fracture performance of concrete, the interlayer combination quality of the dam meets higher safety requirements, so that the experimental research of the interlayer fracture performance of the concrete for layered pouring by related factors is necessary to be carried out.
The existing three-point bending beam die lacks a die capable of realizing concrete layered pouring, and when a three-point bending beam test piece is poured, the interface between concrete layers is buried in the die and cannot be fully exposed in the set environment.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pouring die for testing the interlayer fracture performance of concrete by a three-point bending beam method, so that the layered pouring of the concrete is realized, and meanwhile, an interlayer interface is better exposed to an environment which is set in advance, so that the influence of factors on the interlayer fracture performance of the concrete in the construction process is conveniently researched.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a pouring mould of three-point bending beam method test concrete interlayer fracture performance, including controlling two cavities, two cavities share a bottom plate, the top is provided with first roof and second roof respectively, prefabricated seam steel sheet in the middle and baffle are fixed between bottom plate and first roof, the second roof, separate the mould cavity into two cavities, left side cavity still includes the first preceding curb plate of fixing on the bottom plate, first posterior lateral plate and left side end plate, first roof is fixed at their top, make left side cavity form a sealed independent cavity, right side cavity includes the bottom plate of mutually fixing together, the second preceding curb plate, the second posterior lateral plate, right side end plate and the second roof at top, when right side cavity uses, demolish the baffle of left side cavity, the second posterior lateral plate of right side cavity and the first posterior lateral plate of left cavity are leveled, make right cavity and left cavity intercommunication together form an whole sealed independent cavity, all seam departments of left and right cavity all are provided with the sealant.
In the preferred scheme, all be provided with the recess on first roof, second roof and the bottom plate, prefabricated seam steel sheet and the baffle in the centre insert in the recess, adopt the bolt to be connected fixedly with first roof, second roof and bottom plate respectively.
In the preferred scheme, prefabricated seam steel sheet contains perpendicular fixed horizontal riser and the end riser as an organic whole, and the upper and lower end all is fixed with the connecting plate on the end riser lateral surface, is fixed with the handle in the middle, is provided with the hole on the connecting plate, and the downthehole bolt of packing is fixed as an organic wholely with first roof, second roof and bottom plate connection respectively, in inserting the recess of first roof, second roof and bottom plate from top to bottom to the end riser, the interior plane is leveled with first preceding curb plate and second preceding curb plate, and the seam crossing is sealed with sealed glue, and the structure of baffle is the same with the structure of prefabricated seam steel sheet.
In the preferred scheme, the lower plane of first roof, second roof and the upper plane both sides of bottom plate are provided with the recess along length direction, and curb plate, second preceding curb plate, first posterior lateral plate, second posterior lateral plate insert in the recess before first, adopt the bolt to fix together with first roof, second roof and bottom plate respectively.
In the preferred scheme, all be provided with a plurality of holes on the cavity outside of first roof, second roof and bottom plate, adorn long screw rod in the downthehole, respectively with first roof, first preceding curb plate, first posterior lateral plate and bottom plate, second roof, second preceding curb plate, second posterior lateral plate and bottom plate are connected fixedly as an organic wholely.
In the preferred scheme, curb plate, first posterior lateral plate and bottom plate before the first, the recess that curb plate and bottom plate are connected before the second is provided with the sealant in the cavity inside, and curb plate, first posterior lateral plate before first roof and, the recess that curb plate, second posterior lateral plate are connected before the second is provided with the sealant outside the cavity in the cavity, seals the seam crossing.
In the preferred scheme, first preceding curb plate and left side end plate, second preceding curb plate and right side end plate, first posterior lateral plate and left side end plate, second posterior lateral plate and right side end plate are fixed through right angle fixed block and bolted connection.
In the preferred scheme, the fixed part is connected to curb plate and left side end plate before first, curb plate and right side end plate before the second, curb plate and left side end plate behind the first, curb plate and right side end plate behind the second, all is provided with the sealant in controlling the chamber, seals the seam crossing.
In the preferred scheme, all be provided with the recess from top to bottom in left side end plate and the right side end plate medial surface, first roof, second roof and bottom plate insert in the recess respectively, be connected fixedly as an organic wholely with left side end plate and right side end plate.
In the preferred scheme, the recess department that first roof, bottom plate and left side end plate, second roof, bottom plate and right side end plate connect is provided with the sealant, seals the seam crossing.
The pouring die for testing the interlayer fracture performance of the concrete by using the three-point bending beam method has the following beneficial effects:
1. The device is provided with a plurality of grooves, which is beneficial to the relative fixation of parts and ensures the compactness of the pouring die;
2. The device is provided with the long screw rod for connecting the top plate and the bottom plate, so that the compactness of the pouring die and the tightness of the die are ensured, and meanwhile, the device is convenient to install and detach;
3. The device is provided with two independent sealed chambers, so that layered pouring of concrete is realized;
4. The structural design of the prefabricated seam steel plates and the partition plates and the structural design of the connection with the top plate, the bottom plate and the side plates are convenient to install and disassemble, and meanwhile, the compactness of the pouring die is guaranteed;
5. The arrangement of the prefabricated seam steel plates and the partition plates of the device enables the interlayer interface to be better exposed to the environment set in advance, and provides conditions for the influence of factors on the interlayer fracture performance of the concrete in the subsequent research and construction process;
6. The design of the sealant at the joint of the device ensures the tightness of the pouring die and simultaneously ensures the convenience of installation and disassembly.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a first top plate according to the present utility model;
FIG. 3 is a schematic view of the structure of the base plate of the present utility model;
FIG. 4 is a schematic view of the left end plate of the present utility model;
FIG. 5 is a schematic structural view of a pre-slit steel sheet of the present utility model;
FIG. 6 is a schematic view of the structure of the separator of the present utility model;
FIG. 7 is a partial schematic view of the assembly of the bottom plate and the pre-slit steel plate of the present utility model;
FIG. 8 is a schematic view of the left chamber of the present utility model when used alone;
FIG. 9 is a schematic view of the structure of the two chambers of the present utility model when they are connected together for use;
In the figure: the novel side frame comprises a first front side plate 1, a second front side plate 2, a first rear side plate 3, a second rear side plate 4, a first top plate 5, a second top plate 6, a bottom plate 7, a left side end plate 8, a right side end plate 9, a prefabricated seam steel plate 10, a partition plate 11, a right angle fixing block 12, a long screw 13, a transverse vertical plate 101, an end vertical plate 102, a connecting plate 103 and a handle 104.
Detailed Description
As shown in fig. 1 to 9, a pouring mold for testing the interlayer fracture performance of concrete by a three-point bending beam method comprises a left cavity and a right cavity, wherein the two cavities share a bottom plate 7, the top of the two cavities is respectively provided with a first top plate 5 and a second top plate 6, a middle prefabricated seam steel plate 10 and a partition plate 11 are fixed between the bottom plate 7 and the first top plate 5 and the second top plate 6, the mold cavity is divided into two cavities, the left cavity also comprises a first front side plate 1, a first rear side plate 3 and a left side end plate 8 which are fixed on the bottom plate 7, the top of the first rear side plate 3 and the left side end plate 8, the first top plate 5 is fixed on the top of the left cavity, the left cavity forms a closed independent cavity, the right cavity comprises a bottom plate 7, a second front side plate 2, a second rear side plate 4, a right side end plate 9 and a second top plate 6 which are mutually fixed together, when the right cavity is used, the partition plate 11 of the left cavity is removed, the second rear side plate 4 of the right cavity is connected with the first rear side plate 3 of the left cavity evenly, the right cavity and the left cavity are communicated together to form an integral independent cavity, and all positions of the left cavity and right cavity are provided with sealing glue.
In this embodiment, grooves are formed on the first top plate 5, the second top plate 6 and the bottom plate 7, and a middle prefabricated seam steel plate 10 and a partition plate 11 are inserted into the grooves and are respectively connected and fixed with the first top plate 5, the second top plate 6 and the bottom plate 7 by bolts;
The prefabricated seam steel plate 10 comprises a transverse vertical plate 101 and an end vertical plate 102 which are vertically fixed into a whole, wherein connecting plates 103 are respectively fixed at the upper end and the lower end of the outer side surface of the end vertical plate 102, handles 104 are fixed in the middle of the connecting plates, holes are formed in the connecting plates 103, bolts are filled in the holes and respectively connected and fixed with a first top plate 5, a second top plate 6 and a bottom plate 7 into a whole, the end vertical plate 102 is inserted into grooves of the first top plate 5, the second top plate 6 and the bottom plate 7 up and down, the inner plane is leveled with the first front side plate 1 and the second front side plate 2, sealing glue is sealed at joints, and the structure of a partition plate 11 is the same as that of the prefabricated seam steel plate 10;
Grooves are formed in the two sides of the lower planes of the first top plate 5 and the second top plate 6 and the upper plane of the bottom plate 7 along the length direction, the first front side plate 1, the second front side plate 2, the first rear side plate 3 and the second rear side plate 4 are inserted into the grooves, and are respectively fixed with the first top plate 5, the second top plate 6 and the bottom plate 7 by bolts;
The first top plate 5, the second top plate 6 and the bottom plate 7 are provided with a plurality of holes on the outer side of the cavity, long screws 14 are arranged in the holes, and the first top plate 5, the first front side plate 1, the first rear side plate 3 and the bottom plate 7 are respectively connected and fixed into a whole, and the second top plate 6, the second front side plate 2, the second rear side plate 4 and the bottom plate 7 are respectively connected and fixed into a whole;
The grooves formed by connecting the first front side plate 1, the first rear side plate 3 and the bottom plate 7, the grooves formed by connecting the second front side plate 2, the second rear side plate 4 and the bottom plate 7 are provided with sealant inside the cavity, and the grooves formed by connecting the first top plate 5, the first front side plate 1, the first rear side plate 3, the second top plate 6, the second front side plate 2 and the second rear side plate 4 are provided with sealant outside the cavity to seal joints;
The first front side plate 1, the left side end plate 8, the second front side plate 2, the right side end plate 9, the first rear side plate 3, the left side end plate 8, the second rear side plate 4 and the right side end plate 9 are fixedly connected through right-angle fixing blocks 12 and bolts;
The joints of the first front side plate 1, the left side end plate 8, the second front side plate 2, the right side end plate 9, the first rear side plate 3, the left side end plate 8, the second rear side plate 4 and the right side end plate 9 are fixedly connected, sealant is arranged in the left cavity and the right cavity, and the joints are sealed;
Grooves are formed in the upper and lower inner sides of the left end plate 8 and the right end plate 9, and the first top plate 5, the second top plate 6 and the bottom plate 7 are respectively inserted into the grooves and are connected and fixed with the left end plate 8 and the right end plate 9 into a whole;
the grooves where the first top plate 5, the bottom plate 7, the left side end plate 8, the second top plate 6, the bottom plate 7 and the right side end plate 9 are connected are provided with sealant, and the joints are sealed.
Example 1
The specific use is as follows: assembling the first front side plate 1, the first rear side plate 3, the bottom plate 7, the left side end plate 8, the right side end plate 9, the prefabricated seam steel plate 10 and the partition plate 11, inserting the first front side plate 1, the first rear side plate 3, the prefabricated seam steel plate 10 and the partition plate 11 into grooves of the bottom plate 7, inserting the bottom plate 7 into grooves of the left side end plate 8 and the right side end plate 9, arranging sealant at the connected grooves, and sealing joints; simultaneously, a right-angle fixing block 12 and bolts are adopted to respectively connect and fix the left side end plate 8, the first front side plate 1 and the first rear side plate 3; bolts are adopted to respectively fix the bottom plate 7, the prefabricated seam steel plate 10 and the partition plate 11; then pouring operation of left concrete can be performed, after pouring is completed, the first top plate 5 is installed, meanwhile, the long screw 13 is adopted to fix the first top plate 5 and the bottom plate 7, and meanwhile, sealant is coated at the joint of the first top plate 5, the first front side plate 1, the first rear side plate 3, the left side end plate 8, the prefabricated joint steel plate 10 and the partition plate 11, and the joint is sealed; after the left part of the concrete test piece is initially set, the prefabricated seam steel plate 10 and the partition plate 11 are disassembled, the device is turned over by 90 degrees, the left side end plate 8 is grounded, the first front side plate 1, the first rear side plate 3, the first top plate 5 and the bottom plate 7 are erected, the test piece is erected and placed, the interface between concrete layers is fully exposed in an environment which is set in advance, after the interface between the layers is treated, the prefabricated seam steel plate 10 is assembled again, then the second front side plate 2 and the second rear side plate 4 are inserted into grooves of the bottom plate 7, and sealing glue is coated at the connected grooves to seal the seam; the right-angle fixing block 12 and the bolt are adopted to connect and fix the right-side end plate 9, the second front side plate 2 and the second rear side plate 4 respectively; then pouring the concrete on the right part, installing a second top plate 6 after pouring, fixing the second top plate 6 and a bottom plate 7 by adopting a long screw 13, and simultaneously coating sealant on the joints of the second top plate 6, the second front side plate 2, the second rear side plate 4, the right side end plate 9, the prefabricated seam steel plate 10 and the first rear side plate 3 and the second rear side plate 4, and sealing the joints; and after the right part of concrete is initially set, the mould is removed, and a concrete test piece required by the test can be obtained.
Example 2
The specific use is as follows: assembling the second front side plate 2, the first rear side plate 3, the bottom plate 7, the left side end plate 8, the right side end plate 9, the prefabricated seam steel plate 10 and the partition plate 11, inserting the second front side plate 2, the first rear side plate 3, the prefabricated seam steel plate 10 and the partition plate 11 into grooves of the bottom plate 7, inserting the bottom plate 7 into grooves of the left side end plate 8 and the right side end plate 9, arranging sealant at the connected grooves, and sealing joints; simultaneously, a right-angle fixing block 12 and bolts are adopted to respectively connect and fix the right-side end plate 9, the second front side plate 2 and the first rear side plate 3; bolts are adopted to respectively fix the bottom plate 7, the prefabricated seam steel plate 10 and the partition plate 11; then pouring the concrete on the right part, installing a second top plate 6 after pouring, fixing the second top plate 6 and a bottom plate 7 by adopting a long screw 13, and simultaneously coating sealant at the joint of the second top plate 6, the first front side plate 1, the first rear side plate 3, the right side end plate 9, the prefabricated joint steel plate 10 and the partition plate 11 to seal the joint; after the right part of the concrete test piece is initially set, the prefabricated seam steel plate 10 and the partition plate 11 are disassembled, the device is turned over by 90 degrees, the right side end plate 9 is grounded, the second front side plate 2, the first rear side plate 3, the second top plate 6 and the bottom plate 7 are erected, the test piece is erected and placed, the interface between concrete layers is fully exposed in an environment which is set in advance, after the interface between the layers is treated, the prefabricated seam steel plate 10 is assembled again, then the first front side plate 1 and the second rear side plate 4 are inserted into grooves of the bottom plate 7, and sealing glue is coated at the connected grooves to seal the seam; the right-angle fixing block 12 and the bolt are adopted to connect and fix the left side end plate 8, the first front side plate 1 and the second rear side plate 4 respectively; then pouring the left concrete, after pouring, installing a first top plate 5, fixing the first top plate 5 and a bottom plate 7 by adopting a long screw 13, and simultaneously coating sealant at the joints of the first top plate 6, the first front side plate 1, the second rear side plate 4, the left side end plate 8, the prefabricated seam steel plate 10 and the first rear side plate 3 and the second rear side plate 4, and sealing the joints; and after the left part of concrete is initially set, the mould is removed, and a concrete test piece required by the test can be obtained.
In the preferred scheme, grooves are formed in the first top plate 5, the second top plate 6 and the bottom plate 7, a middle prefabricated seam steel plate 10 and a partition plate 11 are inserted into the grooves, and are respectively connected and fixed with the first top plate 5, the second top plate 6 and the bottom plate 7 by bolts; grooves are formed in the first top plate 5, the second top plate 6 and the bottom plate 7, a middle prefabricated seam steel plate 10 and a partition plate 11 are inserted into the grooves, and are respectively connected and fixed with the first top plate 5, the second top plate 6 and the bottom plate 7 by bolts; grooves are formed in the two sides of the lower planes of the first top plate 5 and the second top plate 6 and the upper plane of the bottom plate 7 along the length direction, the first front side plate 1, the second front side plate 2, the first rear side plate 3 and the second rear side plate 4 are inserted into the grooves, and are respectively fixed with the first top plate 5, the second top plate 6 and the bottom plate 7 by bolts; grooves are formed in the upper and lower inner sides of the left end plate 8 and the right end plate 9, and the first top plate 5, the second top plate 6 and the bottom plate 7 are respectively inserted into the grooves and are connected and fixed with the left end plate 8 and the right end plate 9 into a whole; the arrangement, in particular the arrangement of a plurality of grooves, further ensures the relative fixation of parts of the device and increases the compactness of the pouring die.
In a preferred scheme, the grooves connected with the first front side plate 1, the first rear side plate 3 and the bottom plate 7, the grooves connected with the second front side plate 2, the second rear side plate 4 and the bottom plate 7 are provided with sealant inside the cavity, and the grooves connected with the first top plate 5, the first front side plate 1, the first rear side plate 3, the second top plate 6, the second front side plate 2 and the second rear side plate 4 are provided with sealant outside the cavity to seal joints; the joints of the first front side plate 1, the left side end plate 8, the second front side plate 2, the right side end plate 9, the first rear side plate 3, the left side end plate 8, the second rear side plate 4 and the right side end plate 9 are fixedly connected, sealant is arranged in the left cavity and the right cavity, and the joints are sealed; the grooves where the first top plate 5, the bottom plate 7, the left side end plate 8, the second top plate 6, the bottom plate 7 and the right side end plate 9 are connected are provided with sealant, and the joints are sealed; the arrangement, especially the arrangement of the sealant at each joint, further ensures the tightness of the pouring die and the compactness of the pouring die.
In a preferred scheme, a plurality of holes are formed in the outer sides of the chambers of the first top plate 5, the second top plate 6 and the bottom plate 7, long screws 14 are arranged in the holes, and the first top plate 5, the first front side plate 1, the first rear side plate 3 and the bottom plate 7 are respectively connected and fixed into a whole with the second top plate 6, the second front side plate 2, the second rear side plate 4 and the bottom plate 7; the arrangement, especially the arrangement of the long bolt 13, ensures that the device is connected more stably, further ensures the tightness of the die and is convenient to install and disassemble.
In a preferred scheme, the prefabricated seam steel plate 10 comprises a transverse vertical plate 101 and an end vertical plate 102 which are vertically fixed into a whole, wherein connecting plates 103 are fixed at the upper end and the lower end of the outer side surface of the end vertical plate 102, handles 104 are fixed in the middle of the connecting plates, holes are formed in the connecting plates 103, bolts are filled in the holes and respectively connected and fixed with a first top plate 5, a second top plate 6 and a bottom plate 7 into a whole, the end vertical plate 102 is vertically inserted into grooves of the first top plate 5, the second top plate 6 and the bottom plate 7, the inner plane is connected with a first front side plate 1 and a second front side plate 2 in a flat mode, sealing glue is sealed at joints, and the structure of a partition plate 11 is the same as that of the prefabricated seam steel plate 10; the arrangement, especially the structural design of the prefabricated seam steel plates 10 and the partition plates 11 and the assembly mode of the prefabricated seam steel plates and the adjacent top plates, side plates and bottom plates, realize layered pouring of concrete and advanced presetting of interlayer interfaces, and further ensure sealing of the die, and are convenient to install and detach.
In a preferred scheme, the pouring die for testing the interlayer fracture performance of the concrete by a three-point bending beam method comprises a left cavity and a right cavity, wherein the two cavities share a bottom plate 7, the top of the two cavities is respectively provided with a first top plate 5 and a second top plate 6, a middle prefabricated seam steel plate 10 and a partition plate 11 are fixed between the bottom plate 7 and the first top plate 5 and the second top plate 6, the die cavity is divided into two cavities, the left cavity also comprises a first front side plate 1, a first rear side plate 3 and a left side end plate 8 which are fixed on the bottom plate 7, the top of the first front side plate 1, the first rear side plate 3 and the left side end plate 8, the first top plate 5 is fixed on the top of the left cavity, the left cavity forms a closed independent cavity, the right cavity comprises a bottom plate 7, a second front side plate 2, a second rear side plate 4, a right side end plate 9 and a second top plate 6 which are mutually fixed together, when the right cavity is used, the partition plate 11 of the left cavity is removed, the second rear side plate 4 of the right cavity is connected with the first rear side plate 3 of the left cavity to be communicated with the left cavity together to form an integral closed independent cavity, and all glue joints of the left cavity and right cavity are provided with sealing joints; the arrangement, particularly the arrangement of the two chambers, realizes layered pouring of concrete and advanced presetting of an interlayer interface, and provides conditions for researching influence of factors on interlayer fracture performance of the concrete in the construction process.
In conclusion, the utility model has the advantages of exquisite design, simple and reliable structure, strong interchangeability, good sealing property and easy operation, realizes layered pouring of concrete and advanced presetting of an interlayer interface, provides conditions for researching influence of each factor on the interlayer fracture performance of the concrete in the construction process, and has high popularization value.
Claims (10)
1. A pouring die for testing the interlayer fracture performance of concrete by a three-point bending beam method is characterized in that: the plastic sealing device comprises a left cavity and a right cavity, wherein the two cavities share a bottom plate (7), a first top plate (5) and a second top plate (6) are respectively arranged at the top of the two cavities, a middle prefabricated seam steel plate (10) and a partition plate (11) are fixed between the bottom plate (7) and the first top plate (5) and the second top plate (6), the mold cavity is divided into two cavities, the left cavity further comprises a first front side plate (1), a first rear side plate (3) and a left side end plate (8) which are fixed on the bottom plate (7), the top of the first front side plate is fixed with the top of the first rear side plate, the first top plate (5) is fixed at the top of the first front side plate, the left cavity is formed into a closed independent cavity, the right cavity comprises a bottom plate (7), a second front side plate (2), a second rear side plate (4), a right side end plate (9) and a second top plate (6) which are fixed with each other, when the right cavity is used, the partition plate (11) of the left cavity is removed, the second rear side plate (4) of the right cavity is connected with the first rear side plate (3) of the left cavity evenly, the right cavity and the left cavity are communicated together to form a whole closed independent cavity, and all sealed joints are arranged at the sealed joints.
2. The casting die for testing the interlayer fracture performance of concrete by using a three-point bending beam method according to claim 1, wherein the casting die comprises the following components in percentage by weight: grooves are formed in the first top plate (5), the second top plate (6) and the bottom plate (7), and a middle prefabricated seam steel plate (10) and a partition plate (11) are inserted into the grooves and are respectively connected and fixed with the first top plate (5), the second top plate (6) and the bottom plate (7) through bolts.
3. The casting die for testing the interlayer fracture performance of concrete by using the three-point bending beam method according to claim 2, wherein the casting die comprises the following components in parts by weight: the prefabricated seam steel plate (10) comprises a transverse vertical plate (101) and an end vertical plate (102) which are vertically fixed into a whole, connecting plates (103) are fixed at the upper end and the lower end of the outer side face of the end vertical plate (102), handles (104) are fixed in the middle, holes are formed in the connecting plates (103), bolts are filled in the holes and are respectively connected and fixed with a first top plate (5), a second top plate (6) and a bottom plate (7) into a whole, the end vertical plate (102) is inserted into grooves of the first top plate (5), the second top plate (6) and the bottom plate (7) up and down, an inner plane is connected with a first front side plate (1) and a second front side plate (2) in a flat mode, sealing glue is arranged at the joint, and the structure of the partition plate (11) is identical with that of the prefabricated seam steel plate (10).
4. The casting die for testing the interlayer fracture performance of concrete by using a three-point bending beam method according to claim 1, wherein the casting die comprises the following components in percentage by weight: the lower plane of first roof (5), second roof (6) and the upper plane both sides of bottom plate (7) are provided with the recess along length direction, and curb plate (1) before first, curb plate (2) before the second, curb plate (3) behind first, curb plate (4) behind the second insert in the recess, adopt the bolt to fix together with first roof (5), second roof (6) and bottom plate (7) respectively.
5. The casting die for testing the interlayer fracture performance of concrete by using a three-point bending beam method according to claim 1, wherein the casting die comprises the following components in percentage by weight: the novel high-pressure air conditioner is characterized in that a plurality of holes are formed in the outer side of the cavity, long screws (13) are arranged in the holes, and the first top plate (5), the first front side plate (1), the first rear side plate (3) and the bottom plate (7) are connected and fixed into a whole, and the second top plate (6), the second front side plate (2), the second rear side plate (4) and the bottom plate (7) are connected and fixed into a whole.
6. The casting die for testing the interlayer fracture performance of concrete by using a three-point bending beam method according to claim 1, wherein the casting die comprises the following components in percentage by weight: the sealing glue is arranged inside the cavity in the grooves where the first front side plate (1), the first rear side plate (3) and the bottom plate (7) are connected, the sealing glue is arranged outside the cavity in the grooves where the second front side plate (2), the second rear side plate (4) and the bottom plate (7) are connected, and the joints are sealed by the sealing glue.
7. The casting die for testing the interlayer fracture performance of concrete by using the three-point bending beam method according to claim 1, wherein the casting die comprises the following components in parts by weight: the first front side plate (1) and the left side end plate (8), the second front side plate (2) and the right side end plate (9), the first rear side plate (3) and the left side end plate (8), the second rear side plate (4) and the right side end plate (9) are fixedly connected through right-angle fixing blocks (12) and bolts.
8. The casting die for testing the interlayer fracture performance of concrete by using the three-point bending beam method according to claim 7, wherein the casting die comprises the following components in parts by weight: the sealing glue is arranged in the left cavity and the right cavity, and the joint is sealed.
9. The casting die for testing the interlayer fracture performance of concrete by using the three-point bending beam method according to claim 1, wherein the casting die comprises the following components in parts by weight: grooves are formed in the upper side and the lower side of the inner sides of the left end plate (8) and the right end plate (9), the first top plate (5), the second top plate (6) and the bottom plate (7) are respectively inserted into the grooves, and are connected and fixed with the left end plate (8) and the right end plate (9) into a whole.
10. The casting die for testing the interlayer fracture performance of concrete by using the three-point bending beam method according to claim 9, wherein the casting die comprises the following components in parts by weight: the sealing glue is arranged at the groove parts where the first top plate (5), the bottom plate (7) and the left side end plate (8), the second top plate (6), the bottom plate (7) and the right side end plate (9) are connected, and the joint parts are sealed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322431401.XU CN220960860U (en) | 2023-09-07 | 2023-09-07 | Pouring die for testing interlayer fracture performance of concrete by three-point bending beam method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431401.XU CN220960860U (en) | 2023-09-07 | 2023-09-07 | Pouring die for testing interlayer fracture performance of concrete by three-point bending beam method |
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