CN215866090U - Mortar concrete bonding strength test mould assembly - Google Patents
Mortar concrete bonding strength test mould assembly Download PDFInfo
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- CN215866090U CN215866090U CN202121875422.5U CN202121875422U CN215866090U CN 215866090 U CN215866090 U CN 215866090U CN 202121875422 U CN202121875422 U CN 202121875422U CN 215866090 U CN215866090 U CN 215866090U
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Abstract
The utility model discloses a mortar concrete bonding strength test mold assembly which comprises a base, a first mold and a second mold, wherein the first mold and the second mold are arranged on the base, a first mold connecting plate and a second mold connecting plate which correspond to each other are arranged on the first mold and the second mold and are connected into a hollow cylindrical test mold with openings at two ends through bolt assemblies, a first mold mounting plate and a second mold mounting plate which are matched with the base are arranged at the lower parts of the first mold and the second mold, and the mortar concrete bonding strength test mold assembly also comprises a first base and a baffle which are matched with the first mold for use. The utility model has simple structure, low manufacturing cost, convenient disassembly and assembly and simple operation; the interface area of the bonding test piece is large, so that the bonding strength test result is more representative; and each part can be dismantled, and the form removal is convenient, is difficult to cause the damage to the test piece, and the surface of baffle can be processed into different roughness simultaneously, conveniently tests the bonding strength of different roughness.
Description
Technical Field
The utility model relates to a test mould assembly, in particular to a mortar concrete bonding strength test mould assembly, and belongs to the technical field of test forming moulds.
Background
Damaged cement concrete is often repaired by using a repair material such as building mortar or concrete, and the adhesion between the repair material and a base material is one of the key indicators for determining the application effect. At present, the most used for evaluating the performance in China is the tensile bonding strength, and the reference standard is 'standard of basic performance test method of building mortar' JGJ/T70-2009. The interface contact area of a test piece formed by the existing stretch bonding forming die is small, the representativeness is poor, and the discrete type of the test piece is large. In the aspect of forming, the conventional die is small in size, so that corners of a test piece are damaged in the demolding process, and the test result is influenced. In addition, the existing tensile bonding test can only test the bonding performance of mortar and a matrix but cannot test the bonding performance of concrete and the matrix.
Therefore, the key point for solving the technical problems is to develop a mortar concrete bonding strength test mould assembly which is convenient to disassemble and assemble and simple to operate.
Disclosure of Invention
Aiming at various defects and shortcomings in the background technology, the utility model is improved and innovated, and aims to provide the mortar concrete bonding strength test mold assembly which is convenient to disassemble and assemble and simple to operate, and the interface area of a bonding test piece can be increased, so that the bonding strength test result is more representative.
In order to solve the above problems and achieve the above object, the present invention provides a mortar concrete bond strength test mold assembly, which is realized by adopting the following design structure and the following technical scheme:
the utility model relates to an improvement of a mortar concrete bonding strength test mold assembly, which comprises a base (1), a first mold (2) and a second mold (3) which are arranged on the base (1), wherein a first mold connecting plate (21) and a second mold connecting plate (31) which correspond to each other are arranged on the first mold (2) and the second mold (3) and are connected into a cylindrical test mold with openings at two ends and hollow inside through bolt assemblies, a first mold mounting plate (22) and a second mold mounting plate (32) which are matched with the base (1) are arranged at the lower parts of the first mold (2) and the second mold (3), and the mortar concrete bonding strength test mold assembly further comprises a first base (4) and a baffle (5) which are matched with the first mold (2).
As the improvement of the utility model, the base (1) is of a circular structure with a hollow interior, the top of the base (1) is provided with the mounting columns (11) in pairwise symmetry, and the mounting columns (11) are provided with external threads.
As a further improvement of the present invention, the first mold (2) and the second mold (3) are integrally semicircular cylindrical ring members, wherein a plurality of bolt holes are formed at a contact end of the first mold (2) and the second mold (3) from top to bottom.
As the further improvement of the utility model, the first die connecting plate (21) and the second die connecting plate (31) are both square plate-shaped members, and connecting holes penetrating through the front and back surfaces of the square plate-shaped members are formed in the middle of the square plate-shaped members, wherein the first die connecting plate (21) is fixedly connected to openings of two side walls of the first die (2), and the second die connecting plate (31) is fixedly connected to openings of two side walls of the second die (3).
As a further improvement of the utility model, the first die mounting plate (22) and the second die mounting plate (32) are both rectangular plate-shaped members, and a through hole penetrating through the front and back surfaces of the rectangular plate-shaped members is formed in the middle of the rectangular plate-shaped members, wherein the first die mounting plate (22) is fixedly connected to openings of two side walls of the lower part of the first die (2), and the second die mounting plate (32) is fixedly connected to openings of two side walls of the lower part of the second die (3).
As a further improvement of the utility model, the first base (4) is of a D-shaped structure, first base mounting rods (41) are arranged on two sides of the top of the first base (4), external threads are arranged on the first base mounting rods (41), and the inner diameter of the first base (4) is larger than the outer diameter of the first die (1).
As a still further improvement of the present invention, the baffle (5) is a rectangular plate member, and holes corresponding to the first mold (2) are formed on two sides of the baffle (5).
As a still further improvement of the utility model, said baffle (5) is provided with different roughness on either surface.
As a still further improvement of the utility model, the outer surfaces of the base (1), the first mold (2), the second mold (3), the first base (4) and the baffle (5) are all sprayed with colored paint or an anti-rust layer.
The working principle is as follows: the mortar concrete bonding strength test mould assembly with the design structure is used before, and an operator only needs to carry the mould assembly with the design structure to a specified construction position for standby through corresponding carrying equipment or directly through manual work.
The specific using steps are as follows:
firstly, an operator uniformly coats a layer of release agent on the inner surfaces of a first mold (2) and a baffle (5), wherein the release agent in the mold is uniformly distributed and is not obviously deposited;
then, an operator installs the first mold (2) and the baffle (5) on the first base (4) through a bolt assembly;
next, an operator loads the uniformly mixed base material (6) into the assembled semi-cylindrical mold;
then, as time goes by, after the semi-cylinder matrix is maintained to the corresponding age, an operator detaches the first mold (2) and the baffle (5) from the first base (4), then takes out the semi-cylinder matrix and places the semi-cylinder matrix into the base (1), and then installs the first mold (2) and the second mold (3) on the base (1) through the bolt assembly;
then, the operator selects a proper charging and forming method for the mixture of the repairing material (7) according to the consistency, and fills and screeds the other half of the empty cylinder;
finally, the cylindrical bonding test piece is demoulded after being hardened to the corresponding age period along with the lapse of time, an operator detaches the first die (2) and the second die (3) from the base (1), then the operator takes out the cylindrical bonding test piece, and the splitting tensile strength of the test piece is tested along the direction parallel to the bonding interface, namely the bonding strength of the repairing material (7).
And finally, cleaning and maintaining the base (1), the first mold (2), the second mold (3), the first base (4) and the baffle (5), and then placing the base in a warehouse for the next use.
Compared with the prior art, the utility model has the beneficial effects that
1. The utility model has simple structure, low manufacturing cost, convenient disassembly and assembly and simple operation;
2. the interface area of the bonding test piece is large, so that the bonding strength test result is more representative;
3. the size of the die is increased, and each part can be disassembled, so that the die is convenient to disassemble, and a test piece is not easy to damage;
4. the surface of the baffle plate can be processed into different roughness degrees, so that the bonding strength of different roughness degrees can be conveniently tested;
5. after the size of the mould is increased, the bonding strength of mortar and the bonding strength of concrete with aggregate can be tested;
6. the exterior of the utility model is coated with the antirust paint, thereby preventing rusting, prolonging the service life of the whole device, realizing environmental protection and saving resources.
Drawings
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is one of the overall structural schematic diagrams of the present invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is a second schematic view of the overall structure of the present invention;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of the structure of the base (1) component of the present invention;
FIG. 6 is a top view of a first mold (2) component of the utility model;
FIG. 7 is a top view of a second mold (3) component of the utility model;
FIG. 8 is a schematic view of the structure of the first base (4) part of the present invention;
FIG. 9 is one of the use state diagrams of the present invention;
FIG. 10 is a second state diagram of the present invention;
FIG. 11 is a third state diagram of the present invention;
FIG. 12 is a schematic view of the overall structure of a bonded test piece of the present invention;
wherein, the reference numbers in the figures: 1-base, 11-mounting column;
2-a first mould, 21-a first mould connecting plate, 22-a first mould mounting plate;
3-a second die, 31-a second die connecting plate, 32-a second die mounting plate;
4-first base, 41-first base mounting rod;
5, a baffle plate;
6-base material;
7-repairing material.
Detailed Description
In order to make the technical means, the inventive features, the achievement purposes and the effects of the present invention easy to understand, the technical solutions of the present invention are further described in detail with reference to the drawings and the detailed description below, and it is to be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The mortar concrete bonding strength test mold assembly shown in the attached drawings comprises a base 1, a first mold 2 and a second mold 3 which are arranged on the base 1, wherein the first mold 2 and the second mold 3 are provided with a first mold connecting plate 21 and a second mold connecting plate 31 which correspond to each other, and are connected into a hollow cylinder test mold with openings at two ends through bolt assemblies, a first mold mounting plate 22 and a second mold mounting plate 32 which are matched with the base 1 are arranged at the lower parts of the first mold 2 and the second mold 3, and a first base 4 and a baffle plate 5 which are matched with the first mold 2 for use are further included.
Further, base 1 is inside hollow circular structure, is equipped with erection column 11 at base 1's top two bisymmetry, is equipped with the external screw thread on the erection column 11.
In the present invention, the mounting posts 11 may be added according to the particular use.
Further, first mould 2 and second mould 3 are whole all semicircular column shape ring member, wherein, from last several bolt holes to having seted up down at the contact end department of first mould 2 and second mould 3.
In the utility model, the inner diameter and the outer diameter of the first die 2 and the second die 3 are the same, and the outer diameter of the first die 2 is smaller than the inner diameter of the base 1.
Further, first mould connecting plate 21 and second mould connecting plate 31 all are square platelike body component, offer the connecting hole that runs through its positive and negative in the middle part of this square platelike body component, and wherein, first mould connecting plate 21 fixed connection is in 2 both sides wall openings of first mould, and second mould connecting plate 31 fixed connection is in 3 both sides wall openings of second mould.
In the present invention, the total number of the first mold connecting plate 21 and the second mold connecting plate 31 is 2 or more.
Further, first mould mounting panel 22 and second mould mounting panel 32 are whole all to be rectangular platelike body component, offer the through-hole that runs through its positive and negative at this rectangular platelike body component middle part, and wherein, first mould mounting panel 22 fixed connection is in 2 lower part both sides wall openings of first mould, and second mould mounting panel 32 fixed connection is in 3 lower part both sides wall openings of second mould.
In the present invention, the first and second mold mounting plates 22 and 32 are annularly disposed on the lower side walls of the first and second molds 1 and 2, and may be increased according to specific use requirements.
Further, the whole first base 4 is of a D-shaped structure, first base mounting rods 41 are arranged on two sides of the top of the first base 4, external threads are arranged on the first base mounting rods 41, and the inner diameter of the first base 4 is larger than the outer diameter of the first mold 1.
In the present invention, the first pedestal mounting bar 41 may be added according to specific use cases.
Further, the baffle 5 is a rectangular plate-shaped member, and holes corresponding to the first mold 2 are formed on two sides of the baffle 5.
Specifically, any one surface of the baffle 5 is provided with different roughness.
Furthermore, the outer surfaces of the base 1, the first mold 2, the second mold 3, the first base 4 and the baffle 5 are all sprayed with colored paint or an anti-rust layer.
To sum up, the more specific embodiments of the present invention are:
the mortar concrete bonding strength test mould assembly with the design structure is used before, and an operator only needs to carry the mould assembly with the design structure to a specified construction position for standby through corresponding carrying equipment or directly through manual work.
The specific using steps are as follows:
firstly, an operator uniformly coats a layer of release agent on the inner surfaces of the first mold 2 and the baffle 5, wherein the release agent in the mold is uniformly distributed and is not obviously deposited;
then, the operator mounts the first mold 2 and the baffle 5 on the first base 4 through the bolt assembly;
next, an operator loads the uniformly mixed base material 6 into the assembled semi-cylindrical mold;
then, as time goes on, after the semi-cylinder matrix is maintained to the corresponding age, an operator detaches the first mold 2 and the baffle 5 from the first base 4, then takes out the semi-cylinder matrix and places the semi-cylinder matrix into the base 1, and then installs the first mold 2 and the second mold 3 on the base 1 through the bolt assembly;
then, the operator selects a proper charging and forming method for the mixture of the repair material 7 according to the consistency, and fills and screeds the other half of the empty cylinder;
finally, the cylindrical bonding test piece is cured to a corresponding age period and then demoulded, the first die 2 and the second die 3 are detached from the base 1 by an operator, then the cylindrical bonding test piece is taken out by the operator, and the splitting tensile strength of the test piece is tested along the direction parallel to the bonding interface, namely the bonding strength of the repairing material 7.
And finally, cleaning and maintaining the base 1, the first mold 2, the second mold 3, the first base 4 and the baffle 5, and then placing the base in a warehouse for the next use.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms, and any person skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a mortar concrete bond strength test mould subassembly, includes base (1) and first mould (2) and second mould (3) of setting on base (1), its characterized in that: be equipped with corresponding first mould connecting plate (21) and second mould connecting plate (31) on first mould (2) and second mould (3) to connect into the inside hollow cylinder test mould of both ends opening through bolt assembly, the lower part of first mould (2) and second mould (3) is equipped with first mould mounting panel (22) and second mould mounting panel (32) of using with base (1) collocation, wherein, still include first base (4) and baffle (5) of using with first mould (2) collocation.
2. The mortar concrete bond strength test mold assembly of claim 1, wherein: the base (1) is of a hollow circular structure, mounting columns (11) are symmetrically arranged at the top of the base (1) in pairs, and external threads are arranged on the mounting columns (11).
3. The mortar concrete bond strength test mold assembly of claim 1, wherein: first mould (2) and second mould (3) are whole all to be semicircular column shape ring member, wherein, from last several bolt holes to having seted up down at the contact end department of first mould (2) and second mould (3).
4. The mortar concrete bond strength test mold assembly of claim 1, wherein: first mould connecting plate (21) and second mould connecting plate (31) all are square platelike body component, set up the connecting hole that runs through its positive and negative at this square platelike body component middle part, and wherein, first mould connecting plate (21) fixed connection is in first mould (2) both sides wall opening part, and second mould connecting plate (31) fixed connection is in second mould (3) both sides wall opening part.
5. The mortar concrete bond strength test mold assembly of claim 1, wherein: first mould mounting panel (22) and second mould mounting panel (32) are whole all to be rectangular platelike body component, offer the through-hole that runs through its positive and negative at this rectangular platelike body component middle part, and wherein, first mould mounting panel (22) fixed connection is in first mould (2) lower part both sides wall opening part, and second mould mounting panel (32) fixed connection is in second mould (3) lower part both sides wall opening part.
6. The mortar concrete bond strength test mold assembly of claim 1, wherein: the whole first base (4) is of a D-shaped structure, first base installation rods (41) are arranged on two sides of the top of the first base (4), external threads are arranged on the first base installation rods (41), and the inner diameter of the first base (4) is larger than the outer diameter of the first mold (1).
7. The mortar concrete bond strength test mold assembly of claim 1, wherein: the baffle (5) is a rectangular plate-shaped member integrally, and holes corresponding to the first die (2) are formed in two sides of the baffle (5).
8. The mortar concrete bond strength test mold assembly of claim 7, wherein: any surface of the baffle (5) is provided with different roughness.
9. The mortar concrete bond strength test mold assembly of claim 1, wherein: the outer surfaces of the base (1), the first mould (2), the second mould (3), the first base (4) and the baffle (5) are all sprayed with colored paint or an anti-rust layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875422.5U CN215866090U (en) | 2021-08-11 | 2021-08-11 | Mortar concrete bonding strength test mould assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875422.5U CN215866090U (en) | 2021-08-11 | 2021-08-11 | Mortar concrete bonding strength test mould assembly |
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| CN215866090U true CN215866090U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266307A (en) * | 2022-08-04 | 2022-11-01 | 西南石油大学 | Test device for testing erosion of high-temperature and high-pressure oil well pipe with cement sheath |
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2021
- 2021-08-11 CN CN202121875422.5U patent/CN215866090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266307A (en) * | 2022-08-04 | 2022-11-01 | 西南石油大学 | Test device for testing erosion of high-temperature and high-pressure oil well pipe with cement sheath |
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