CN111983204A - Masonry molding refractory mortar shrinkage testing tool and testing method - Google Patents
Masonry molding refractory mortar shrinkage testing tool and testing method Download PDFInfo
- Publication number
- CN111983204A CN111983204A CN202010876371.1A CN202010876371A CN111983204A CN 111983204 A CN111983204 A CN 111983204A CN 202010876371 A CN202010876371 A CN 202010876371A CN 111983204 A CN111983204 A CN 111983204A
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- test
- masonry
- refractory mortar
- refractory
- frame body
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 46
- 238000000465 moulding Methods 0.000 title description 10
- 239000011449 brick Substances 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000009970 fire resistant effect Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; ceramics; glass; bricks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
A testing tool and a testing method for the shrinkage rate of masonry-molded refractory mortar relate to the technical field of detection. This masonry forming fire resistant mud shrinkage test instrument builds forming fire resistant mud shrinkage test instrument by laying bricks or stones, it includes that the middle part is equipped with framework and the test jig of test hole, the both ends of test jig can be dismantled with the framework both ends respectively and be connected, the test jig is connected with two cursors that can follow its removal, every vernier all is connected with can be to being close to or keeping away from the probe that the test hole direction removed, the test jig is equipped with the scale that extends along its length direction. The masonry forming refractory mortar shrinkage rate testing tool and the masonry forming refractory mortar shrinkage rate testing method can be used for rapidly and accurately detecting and calculating the shrinkage rate of refractory mortar, and have the advantages of high measuring precision, convenience in use and low measuring cost.
Description
Technical Field
The application relates to the field of detection, in particular to a tool and a method for testing the shrinkage rate of masonry-molded refractory mortar.
Background
The refractory mortar is widely used for building various buildings at present, and is the most basic bonding material for forming the structural strength of wall bodies. Generally, after masonry, the refractory mortar loses water to shrink, which is more remarkable when forced drying or heat treatment is performed, and the shrinkage of the refractory mortar is required to be tested because the shrinkage can generate cracks to influence the structural strength and air tightness of the refractory mortar.
At present, the rate of line change (shrinkage) is measured by GB/T22459.7-2008, and is calculated by molding a test block of 160mm × 40mm × 40mm with refractory mortar having a consistency of 100(0.1mm) to 110(0.1mm), but most of the refractory mortar used in actual construction has a consistency of 340(0.1mm) or more, so that the measurement method is out of the actual construction situation, and the shrinkage of the refractory mortar cannot be accurately measured.
Therefore, a device and a method for measuring the shrinkage of refractory mortar are needed to meet the requirement.
Disclosure of Invention
The application aims to provide a masonry forming refractory mortar shrinkage testing tool and a testing method, and the masonry forming refractory mortar shrinkage testing tool and the testing method have the advantages of high measuring precision, convenience in use and low measuring cost.
The embodiment of the application is realized as follows:
the embodiment of the application provides a masonry molding refractory mortar shrinkage test tool, it includes that the middle part is equipped with framework and the test jig of test hole, the both ends of test jig can be dismantled with the framework both ends respectively and be connected, the test jig is connected with two cursors that can follow its removal, every vernier all is connected with can be to being close to or keeping away from the probe that the test hole direction removed, the test jig is equipped with the scale that extends along its length direction.
In some optional embodiments, the frame body has positioning holes at two ends thereof, and the test rack has two ends connected to the corresponding positioning holes through the brackets.
The embodiment of the application also provides a masonry forming refractory mortar shrinkage rate testing method, which is carried out by adopting the masonry forming refractory mortar shrinkage rate testing tool and comprises the following steps:
taking a first masonry brick and a second masonry brick and respectively laying an isolation layer;
horizontally placing the first masonry brick and enabling the corresponding isolation layer to face upwards, coating grease on the inner wall of the test hole, placing the frame body on the isolation layer of the first masonry brick, filling refractory slurry to be tested into the test hole, placing the second masonry brick on the frame body, and enabling the isolation layers of the first masonry brick and the second masonry brick to extrude the two sides of the frame body;
taking down the second masonry brick after the refractory mortar is solidified, coating refractory fine powder on the surface of the solidified refractory mortar, placing the second masonry brick on the frame body again, then turning over the second masonry brick to enable the first masonry brick and the second masonry brick to be arranged up and down, and taking down the first masonry brick;
connecting the test frame to the frame, moving two cursors along the test frame respectively, moving the probe to a direction close to the test hole to mark the surface of the refractory slurry, and measuring the distance L between the two cursors1Taking down the test frame, drying or heat-treating the second masonry brick, the frame body and the refractory slurry, cooling to room temperature, connecting the test frame to the frame body, moving the cursors to enable the corresponding probes to move to the surface marks of the refractory slurry, and measuring the distance L between the two cursors2The shrinkage ratio P of the refractory mortarL＝(L2-L1)/L1。
In some alternative embodiments, the barrier layer is a nylon cloth.
The beneficial effect of this application is: the application provides a build refractory mud shrinkage rate testing tool of shaping by laying bricks or stones includes that the middle part is equipped with framework and the test jig of test hole, and the both ends of test jig can be dismantled with the framework both ends respectively and be connected, and the test jig is connected with two cursors that can follow its removal, and every vernier all is connected with can be to being close to or keeping away from the probe that the test hole direction removed, and the test jig is equipped with the scale of extending along its length direction. The application also provides a testing method using the masonry forming refractory mortar shrinkage testing tool. The utility model provides a masonry forming refractory mortar shrinkage test tool and test method come the size of accurate control test block through the rigidity frame, and test jig and test block position relatively fixed avoid influencing measurement accuracy because of measuring position and angle are different during the measurement, adopt the probe to mark and fix a position simultaneously, and the probe can move about and can avoid destroying the test block in the process of the test, improves measurement accuracy, has practiced thrift the investment cost of measurement facility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural view of a masonry molding refractory mortar shrinkage test tool provided in an embodiment of the present application when placed on a first masonry brick;
FIG. 2 is a schematic structural view of the masonry molding refractory mortar shrinkage test tool provided in the embodiment of the present application after a test frame is removed;
fig. 3 is a schematic structural view of the masonry molding refractory mortar shrinkage rate test tool provided in the embodiment of the present application when being pressed on both sides by the first masonry brick and the second masonry brick.
In the figure: 100. a frame body; 101. a test well; 110. a test jig; 120. a cursor; 130. a probe; 140. a scale; 150. positioning holes; 160. a support; 200. refractory mortar; 210. an isolation layer; 220. first masonry bricks; 230. and (5) second masonry bricks.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The characteristics and properties of the masonry molding refractory mortar shrinkage test tool and the test method of the present application are further described in detail with reference to the following examples.
As shown in fig. 1, an embodiment of the present application provides a masonry-molding refractory mud shrinkage rate testing tool, which includes a rectangular frame 100 and a testing jig 110, wherein a testing hole 101 is formed in the middle of the rectangular frame 100, two ends of the testing jig 110 are respectively connected to a support 160, two ends of the frame 100 are respectively provided with a positioning hole 150 for being clamped with the support 160, two cursors 120 capable of moving along the testing jig 110 are slidably sleeved on the testing jig 110, each of the cursors 120 is connected to a probe 130 penetrating through upper and lower surfaces of the cursor, the probe 130 moves towards a direction close to or away from the testing hole 101 when moving relative to the cursors 120, and the testing jig 110 is provided with a scale 140; wherein, the thickness of frame 100 is 3mm, and the frame length and the width of frame 100 are 230mm x 114mm, and test hole 101 is the rectangle and length and width are 200mm x 100mm, and support 160 height 20mm, test jig 110 length 230 mm. The scale 140 on the test jig 110 is extended to both ends of the test jig 110 by 100mm with the center of the test jig 110 in the length direction as 0 point, and the scale on the cursor 120 and the scale on the test jig 110 together have a measurement accuracy of 0.02 mm. The probe 130 penetrates through the zero point position of the scale of the vernier 120, and the length of the probe is 40 mm.
As shown in fig. 1, 2 and 3, an embodiment of the present application further provides a masonry refractory mortar shrinkage rate testing method, which is performed by using the masonry refractory mortar shrinkage rate testing tool, and includes the following steps:
taking a first masonry brick 220 and a second masonry brick 230, and respectively laying an isolation layer 210 on the surfaces of the first masonry brick and the second masonry brick, wherein the isolation layer 210 is made of nylon cloth;
horizontally placing the first masonry bricks 220 and enabling the corresponding isolation layers 210 to face upwards, coating grease on the inner wall of the test hole 101, then placing the frame body 100 on the isolation layers 210 of the first masonry bricks 220, filling the refractory slurry 200 to be tested into the test hole 101, placing the second masonry bricks 230 on the frame body 100, and enabling the isolation layers 210 of the first masonry bricks 220 and the second masonry bricks 230 to extrude the two sides of the frame body 100;
after the refractory mortar 200 is solidified, taking down the second masonry bricks 230, coating refractory fine powder on the surface of the solidified refractory mortar 200, placing the second masonry bricks 230 on the frame body 100 again, then overturning, arranging the first masonry bricks 220 and the second masonry bricks 230 up and down, and taking down the first masonry bricks 220;
connecting two ends of the testing jig 110 to two ends of the frame 100, moving two cursors 120 along the testing jig 110, respectively, moving the probe 130 toward the testing hole 101 to mark the surface of the refractory mortar 200, and measuring the distance L between the two cursors 1201Removing the test jig 110, drying or heat-treating the second masonry bricks 230, the frame body 100 and the refractory mortar 200, cooling to room temperature, reconnecting the two ends of the test jig 110 to the two ends of the frame body 100, moving the two cursors 120 along the test jig 110 respectively, moving the probe 130 to the mark position on the surface of the refractory mortar 200 in the direction close to the test hole 101, and measuring the distance L between the two cursors 1202The shrinkage ratio P of the refractory mortar is 200L＝(L2-L1)/L1。
According to the masonry molding refractory slurry shrinkage rate testing tool and the testing method provided by the embodiment of the invention, slurry is filled in the testing hole 101 of the frame body 100 to simulate the actual use state of the refractory slurry 200, meanwhile, the thickness of the test block is accurately controlled, in the measuring process, after the distance and the initial measuring point are determined by the probe 130 connected with the two cursors 120 moving along the testing frame 110, the measuring device consisting of the testing frame 110, the cursors 120 and the probe 130 is separated from contact with the refractory slurry 200 test block, the size of the refractory slurry 200 test block is measured again after the refractory slurry 200 is dried, and the shrinkage rate is calculated, so that the orientation of the measuring device is ensured to be unchanged, the test block is not damaged, the measuring precision is improved, and the error caused by non-contact measurement is avoided.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (4)
1. The utility model provides a masonry forming refractory mortar shrinkage test instrument, its characterized in that, it includes framework and the test jig that the middle part was equipped with the test hole, the both ends of test jig respectively with the connection can be dismantled at framework both ends, the test jig is connected with two cursors that can follow its removal, every the vernier all is connected with can be to being close to or keeping away from the probe that the test hole direction removed, the test jig is equipped with the scale that extends along its length direction.
2. The masonry forming refractory mortar shrinkage test tool according to claim 1, wherein positioning holes are formed in two ends of the frame body respectively, and two ends of the test frame are connected with the corresponding positioning holes through supports respectively.
3. A masonry refractory mortar shrinkage testing method which is carried out by adopting the masonry refractory mortar shrinkage testing tool of claim 1 is characterized by comprising the following steps:
taking a first masonry brick and a second masonry brick and respectively laying an isolation layer;
horizontally placing the first masonry brick and enabling the corresponding isolation layer to face upwards, coating grease on the inner wall of the test hole, placing the frame body on the isolation layer of the first masonry brick, filling refractory slurry to be tested into the test hole, placing the second masonry brick on the frame body, and enabling the isolation layers of the first masonry brick and the second masonry brick to extrude the two sides of the frame body;
taking down the second masonry brick after the refractory mortar is solidified, coating refractory fine powder on the surface of the solidified refractory mortar, placing the second masonry brick on the frame body again, then overturning, enabling the first masonry brick and the second masonry brick to be arranged up and down, and taking down the first masonry brick;
connecting the test frame to the frame body, respectively moving two cursors along the test frame, then moving the probe to the direction close to the test hole to mark the surface of the refractory slurry, and measuring the distance L between the two cursors1Taking down the test frame, drying or heat-treating the second masonry brick, the frame body and the refractory slurry, cooling to room temperature, connecting the test frame to the frame body, moving the cursors to enable the corresponding probes to move to the surface marks of the refractory slurry, and measuring the distance L between the two cursors2The shrinkage ratio P of the refractory mortarL＝(L2-L1)/L。
4. The masonry forming refractory mortar shrinkage test method according to claim 3, wherein the isolation layer is nylon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010876371.1A CN111983204A (en) | 2020-08-27 | 2020-08-27 | Masonry molding refractory mortar shrinkage testing tool and testing method |
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| CN202010876371.1A CN111983204A (en) | 2020-08-27 | 2020-08-27 | Masonry molding refractory mortar shrinkage testing tool and testing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113075255A (en) * | 2021-03-24 | 2021-07-06 | 湖北亿纬动力有限公司 | Lithium battery diaphragm thermal shrinkage test method and test equipment |
| CN113960294A (en) * | 2021-10-11 | 2022-01-21 | 中冶武汉冶金建筑研究院有限公司 | Device and method for testing shrinkage rate of refractory mortar in brick joints |
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Application publication date: 20201124 |