Surface mortar thickness testing device and testing method

Abstract

The application relates to a surface mortar thickness testing device and a testing method. The mortar thickness testing element comprises a testing main body part and a testing end part connected with each other. The testing main body part has opposite first top and bottom ends. The testing end part has opposite second top and bottom ends. The first bottom end of the testing main body part is connected with the second top end of the testing end part. The thickness of the testing end part gradually decreases in the direction from the second top end to the second bottom end of the testing end part. The scale mark structure comprises interval reading lines and scale mark lines arranged on the testing end part. The interval reading lines are parallel to the longitudinal reference virtual line. The scale mark lines are perpendicular to the longitudinal reference virtual line. In the measuring process, the surface mortar thickness is not characterized by the self-weight sinking of the surface mortar thickness testing device into the mortar, and the testing result is not affected by the fluidity of the surface mortar. Moreover, the mortar thickness value can be directly read, and the reading error is small. The operation process is simple and fast, and the cleaning process is simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road engineering, in particular to a surface mortar thickness testing device and a testing method. BACKGROUND

[0002] In road engineering, the surface mortar thickness of the cement concrete surface layer is one of the key factors to ensure driving safety. In particular, in harsh weather conditions such as heavy rain, snow and ice, the anti-skid performance of the road surface is particularly important. The surface mortar layer not only provides space for the production of macro anti-skid structures, but also provides micro anti-skid textures that can effectively increase the friction coefficient between the tire and the road surface, thereby improving the handling stability and safety of the vehicle. In addition, ordinary cement concrete pavement also uses limestone with poor polishing value, so the surface layer of the road must have a certain thickness of mortar to wrap the coarse aggregate with poor polishing value.

[0003] With the increase of vehicle speed and traffic density, the performance requirements of the road surface mortar layer are also increasing. In order to ensure that the thickness of the road surface mortar layer can withstand more wear and impact, prolong the service life of the road, and also absorb the noise generated by the vehicle to some extent, improve the driving experience, etc. Therefore, it is necessary to monitor the surface mortar thickness of the cement concrete pavement in the construction process.

[0004] However, the current testing method for the surface mortar thickness of the cement concrete pavement in the construction process adopts the cutting ring method, which is easily affected by the flowability of the concrete on site and human factors, resulting in inaccurate test results and certain limitations. Therefore, there is an urgent need in the art to provide a cement concrete surface layer surface mortar thickness testing method that can quickly and accurately measure the thickness of the road surface mortar layer and is simple to operate. SUMMARY

[0005] Therefore, it is necessary to provide a surface mortar thickness testing device and a testing method in view of the above-mentioned technical problems.

[0006] The present application provides a surface mortar thickness testing device, which comprises:

[0007] a mortar thickness testing element, the mortar thickness testing element comprising a testing main body part and a testing end part connected in series, wherein the testing main body part has a first top end and a first bottom end opposite to each other, the testing end part has a second top end and a second bottom end opposite to each other, the first bottom end of the testing main body part is connected to the second top end of the testing end part, and the thickness of the testing main body part is equal to the thickness of the testing end part;

[0008] The scale mark structure comprises interval reading lines and scale mark lines arranged on the test end portion, and a longitudinal reference virtual line is defined on the test end portion along a direction from a second top end to a second bottom end of the test end portion, wherein the interval reading lines are straight lines, the number of the interval reading lines is set to be multiple, the multiple interval reading lines are parallel to the longitudinal reference virtual line, and the multiple interval reading lines are distributed on the surface of the test end portion along a direction perpendicular to the longitudinal reference virtual line, the scale mark lines are straight lines, the number of the scale mark lines is set to be multiple, the multiple scale mark lines are perpendicular to the longitudinal reference virtual line, and the multiple scale mark lines are distributed on the surface of the test end portion along the direction of the longitudinal reference virtual line.

[0009] A levelness adjusting element is arranged on the test main body portion of the mortar thickness test element.

[0010] In one of the embodiments, the edge of the test main body portion comprises a circular arc edge and a straight line edge, two ends of the circular arc edge are connected to two ends of the straight line edge respectively, thereby forming a complete edge of one closed loop of the test main body portion through the circular arc edge and the straight line edge, and the straight line edge is located at the first bottom end of the test main body portion.

[0011] In one of the embodiments, the thickness of the test main body portion and the thickness of the test end portion are between 0.8 mm and 1.2 mm; and / or,

[0012] The maximum distance between the first top end and the first bottom end of the test main body portion is between 70 mm and 80 mm; and / or,

[0013] The length of the straight line edge of the test main body portion is between 140 mm and 160 mm.

[0014] In one of the embodiments, the edge of the test end portion comprises a first straight line horizontal edge, a second straight line horizontal edge, a first straight line vertical edge and a second straight line vertical edge, wherein the first straight line horizontal edge and the second straight line horizontal edge are parallel to each other, the first straight line horizontal edge is located at the second top end of the test end portion, the second straight line horizontal edge is located at the second bottom end of the test end portion, the first straight line vertical edge and the second straight line vertical edge are parallel to each other, two ends of the first straight line vertical edge are connected to the left end of the first straight line horizontal edge and the left end of the second straight line horizontal edge respectively, and two ends of the second straight line vertical edge are connected to the right end of the first straight line horizontal edge and the right end of the second straight line horizontal edge respectively, thereby forming a complete edge of one closed loop of the test end portion through the first straight line horizontal edge, the second straight line horizontal edge, the first straight line vertical edge and the second straight line vertical edge.

[0015] In one of the embodiments, the straight edge of the test body part is connected with the first straight transverse edge of the test end part, and the length of the straight edge of the test body part is equal to the length of the first straight transverse edge of the test end part; and / or,

[0016] The length of the first straight transverse edge and the second straight transverse edge of the test end part is between 140mm and 160mm; and / or,

[0017] The length of the first straight longitudinal edge and the second straight longitudinal edge of the test end part is between 8mm and 12mm; and / or,

[0018] The interval between the adjacent scale mark lines in the direction parallel to the longitudinal reference virtual line is between 0.8mm and 1.2mm.

[0019] In one of the embodiments, the level adjustment element is a bubble level element.

[0020] In one of the embodiments, the level adjustment element is arranged at the first top end of the test body part.

[0021] In one of the embodiments, the test body part and the test end part are integrally formed.

[0022] The present application provides a surface mortar thickness testing method based on the surface mortar thickness testing device, and the surface mortar thickness testing method comprises the following steps:

[0023] Determining a mortar thickness testing area;

[0024] Arranging the test end part of the surface mortar thickness testing device towards the mortar layer of the mortar thickness testing area, adjusting the level of the surface mortar thickness testing device based on the level adjustment element of the surface mortar thickness testing device, so that the longitudinal reference virtual line of the test end part is perpendicular to the surface of the mortar layer of the mortar thickness testing area;

[0025] Perpendicularly inserting the surface mortar thickness testing device into the mortar layer of the mortar thickness testing area along the direction of the longitudinal reference virtual line until the test end part of the surface mortar thickness testing device touches the coarse aggregate in the mortar layer;

[0026] Reversely pulling out the surface mortar thickness testing device from the mortar layer of the mortar thickness testing area, and obtaining the mortar thickness data of the mortar layer of the mortar thickness testing area based on the scale mark structure of the surface mortar thickness testing device.

[0027] In one of the embodiments, the above steps are repeated at least three times at different positions of the mortar thickness test area, at least three mortar thickness data are obtained, and the average of the plurality of mortar thickness data is determined as the final mortar thickness data. If the difference between the value of the plurality of mortar thickness data and the value of the final determined mortar thickness data is greater than 1.5 mm, the corresponding mortar thickness data is rejected, and the average of the remaining all mortar thickness data is determined as the final mortar thickness data again; or,

[0028] After the test end of the surface mortar thickness testing device touches the coarse aggregate in the mortar layer, the surface mortar thickness testing device is pulled out from the mortar layer of the mortar thickness test area in the reverse direction after being kept for more than 5 seconds.

[0029] When the mortar thickness data of the mortar layer of the mortar thickness test area are obtained, the plurality of thickness values of the scale mark line are obtained on the plurality of interval reading lines respectively, the reading is accurate to 0.5 mm, and the mortar thickness data are obtained according to the average of the plurality of thickness values.

[0030] In the surface mortar thickness testing device and the testing method, the surface mortar thickness testing device and the method provided by the application are different from the method of determining the thickness of concrete mortar by a ring cutter when measuring the thickness of the mortar layer. First, the surface mortar thickness testing device is composed of only a single component, and the surface mortar thickness testing device is not characterized by sinking into the mortar by the weight during the measurement, but is actively inserted into the mortar layer by applying a downward driving force, so that the test result is not affected by the fluidity of the surface mortar. Moreover, when the mortar thickness data are obtained, the values of the mortar thickness data are read by the scale mark structure, instead of using the relative values of the outer ring cutter and the inner ring cylinder to characterize the surface mortar thickness, so that the mortar thickness value can be directly read, and the reading error is small. In addition, the operation process of the entire surface mortar thickness testing method is simple and fast, and does not need to be calibrated to ensure the initial reading, is less affected by the human operation factors of the site personnel, and the cleaning process is simple. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a perspective view of the surface mortar thickness testing device provided in one of the embodiments of the application.

[0032] Figure 2 It is a front view of the surface mortar thickness testing device provided in one of the embodiments of the application.

[0033] Figure 3 It is a side view of the surface mortar thickness testing device provided in one of the embodiments of the application.

[0034] Figure 4A schematic diagram of a state of use of the surface mortar thickness testing device provided in an embodiment of the present application.

[0035] Figure 5 A schematic diagram of a state of reading of the scale mark structure provided in an embodiment of the present application.

[0036] Reference signs:

[0037] 100, mortar thickness testing area

[0038] 1000, mortar thickness testing element; 2000, scale mark structure; 3000, level adjustment element

[0039] 1100, testing main body part; 1200, testing end part

[0040] 1100a, first top end; 1100b, first bottom end; 1100c, circular arc edge; 1100d, straight line edge

[0041] 1200a, second top end; 1200b, second bottom end; 1200c, first straight line horizontal edge; 1200d, second straight line horizontal edge; 1200e, first straight line vertical edge; 1200f, second straight line vertical edge; 1200g, longitudinal reference virtual line

[0042] 2000a, interval reading line; 2000b, scale mark line DETAILED DESCRIPTION

[0043] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described and it is therefore contemplated that there are many alternate embodiments that come within the scope of the present application. Accordingly, it is not intended that the present application be limited, for example, to the specific embodiments set forth below.

[0044] In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0045] In addition, the terms "first", "second", and the like, if any, are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or implicating the number of indicated technical features. Thus, a feature defined with "first", "second" may explicitly or implicitly include at least one of the features. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0046] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In the present application, unless otherwise explicitly specified and limited, if the first feature is described as "on" or "under" the second feature and the like, it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0048] It should be noted that if an element is referred to as "fixed to" or "disposed to" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0049] In the test of concrete mortar thickness, the ring cutter method is easily affected by the fluidity of the concrete on site, because the concrete mortar thickness tester based on the ring cutter method generally consists of an outer ring cutter with a beveled bottom and an inner ring cylinder with a bottom. For concrete with high fluidity, the stainless steel inner ring cylinder placed on the mortar is prone to sink into the mortar due to the influence of gravity, resulting in inaccurate test results of the surface mortar thickness. For concrete with low fluidity, the outer ring cutter cannot sink completely into the mortar due to the viscosity of the mortar under the action of gravity, resulting in inaccurate test results of the surface mortar thickness. Moreover, the operation process of the ring cutter method is complex, and the initial placement needs to be carefully maintained to ensure that the outer ring cutter and the bottom of the inner ring cylinder are on the same plane to ensure that the initial reading is 0. For mortar with high fluidity, the outer ring cutter sinks quickly, and it is difficult to calibrate the initial reading. In addition, the two components need to be cleaned every time to prevent the presence of residual mortar between the two components from hindering the sinking of the outer ring cutter. In addition, the relative height difference between the outer ring cutter and the inner ring cylinder is prone to change during reading, affecting the reading, and the operation of the on-site personnel is difficult.

[0050] In view of the problems of the ring cutter method, referring to the method shown in Figures 1 to 5 The present application provides a surface mortar thickness testing device, which comprises a mortar thickness testing element 1000, and the mortar thickness testing element 1000 comprises a testing main body part 1100 and a testing end part 1200 connected thereto. The testing main body part 1100 has a first top end 1100a and a first bottom end 1100b opposite to each other, the testing end part 1200 has a second top end 1200a and a second bottom end 1200b opposite to each other, and the first bottom end 1100b of the testing main body part 1100 is connected to the second top end 1200a of the testing end part 1200. Moreover, the thickness of the testing main body part 1100 is equal to the thickness of the testing end part 1200. In addition, the thickness of the testing end part 1200 can be gradually reduced in the direction from the second top end 1200a to the second bottom end 1200b of the testing end part 1200 according to requirements. In one embodiment, the testing main body part 1100 can be integrally formed with the testing end part 1200.

[0051] The test body portion 1100 can be configured in various shapes, such as a plate shape, a block shape, or any regular shape or other irregular shape. For example, in one embodiment, the test body portion 1100 can be configured as a semi-circular plate shape, in which the edge of the test body portion 1100 includes a circular arc edge 1100c and a straight edge 1100d, and the two ends of the circular arc edge 1100c are connected to the two ends of the straight edge 1100d, thereby forming a complete edge of one round of the test body portion 1100 through the circular arc edge 1100c and the straight edge 1100d. The straight edge 1100d is located at the first bottom end 1100b of the test body portion 1100, and the circular arc edge 1100c extends from the two ends of the straight edge 1100d to the first top end 1100a of the test body portion 1100.

[0052] In one embodiment, the thickness of the test body portion 1100 and the thickness of the test end portion 1200 can be defined between 0.8mm and 1.2mm, and both can be made of stainless steel. For example, the thickness of the test body portion 1100 and the thickness of the test end portion 1200 can be defined as 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, etc. The maximum distance between the first top end 1100a and the first bottom end 1100b of the test body portion 1100 can be defined between 70mm and 80mm, for example, the maximum distance between the first top end 1100a and the first bottom end 1100b of the test body portion 1100 is 70mm, 71mm, 72mm, 73mm, 74mm, 75mm, 76mm, 77mm, 78mm, 79mm, 80mm. The length of the straight edge 1100d of the test body portion 1100 can be defined between 140mm and 160mm, for example, the length of the straight edge 1100d of the test body portion 1100 can be defined as 140mm, 141mm, 142mm, 143mm, 144mm, 145mm, 146mm, 147mm, 148mm, 149mm, 150mm, 151mm, 152mm, 153mm, 154mm, 155mm, 156mm, 157mm, 158mm, 159mm, 160mm.

[0053] The testing end portion 1200 can be configured in various shapes, such as a plate shape, a block shape, or any regular shape or other irregular shape. For example, in one embodiment, the edges of the testing end portion 1200 include a first straight transverse edge 1200c, a second straight transverse edge 1200d, a first straight longitudinal edge 1200e, and a second straight longitudinal edge 1200f. The first straight transverse edge 1200c is parallel to the second straight transverse edge 1200d. The first straight transverse edge 1200c is located at the second top end 1200a of the testing end portion 1200, and the second straight transverse edge 1200d is located at the second bottom end 1200b of the testing end portion 1200. The first straight longitudinal edge 1200e is parallel to the second straight longitudinal edge 1200f. The two ends of the first straight longitudinal edge 1200e are connected to the left end of the first straight transverse edge 1200c and the left end of the second straight transverse edge 1200d, respectively. The two ends of the second straight longitudinal edge 1200f are connected to the right end of the first straight transverse edge 1200c and the right end of the second straight transverse edge 1200d, respectively. Thus, the first straight transverse edge 1200c, the second straight transverse edge 1200d, the first straight longitudinal edge 1200e, and the second straight longitudinal edge 1200f form a complete edge of one round of the testing end portion 1200.

[0054] In one embodiment, the straight edge 1100d of the testing main portion 1100 is connected to the first straight transverse edge 1200c of the testing end portion 1200, and the length of the straight edge 1100d of the testing main portion 1100 is equal to the length of the first straight transverse edge 1200c of the testing end portion 1200. The length of the first straight transverse edge 1200c and the second straight transverse edge 1200d of the testing end portion 1200 can be limited to between 140 mm and 160 mm, such as 140 mm, 141 mm, 142 mm, 143 mm, 144 mm, 145 mm, 146 mm, 147 mm, 148 mm, 149 mm, 150 mm, 151 mm, 152 mm, 153 mm, 154 mm, 155 mm, 156 mm, 157 mm, 158 mm, 159 mm, or 160 mm. The length of the first straight longitudinal edge 1200e and the second straight longitudinal edge 1200f of the testing end portion 1200 can be limited to between 8 mm and 12 mm, such as 8 mm, 9 mm, 10 mm, 11 mm, or 12 mm.

[0055] The test end portion 1200 can be provided with a scale mark structure 2000, which can be used to identify the depth after the test end portion 1200 is inserted into the mortar layer, wherein the scale mark structure 2000 includes interval reading lines 2000a and scale mark lines 2000b provided on the test end portion 1200. Assuming that a longitudinal reference virtual line 1200g is defined on the test end portion 1200, which is a virtual line that does not exist and is provided along the direction from the second top end 1200a to the second bottom end 1200b of the test end portion 1200, the purpose is to provide a layout reference for the interval reading lines 2000a and the scale mark lines 2000b.

[0056] In one embodiment, the interval reading lines 2000a are straight lines, the number of interval reading lines 2000a is set to be multiple, the multiple interval reading lines 2000a are parallel to the longitudinal reference virtual line 1200g, and the multiple interval reading lines 2000a are distributed on the surface of the test end portion 1200 along a direction perpendicular to the longitudinal reference virtual line 1200g. The scale mark lines 2000b are straight lines, the number of scale mark lines 2000b is set to be multiple, the multiple scale mark lines 2000b are perpendicular to the longitudinal reference virtual line 1200g, and the multiple scale mark lines 2000b are distributed on the surface of the test end portion 1200 along the direction of the longitudinal reference virtual line 1200g. The interval between adjacent scale mark lines 2000b in the direction parallel to the longitudinal reference virtual line 1200g can be defined between 0.8mm and 1.2mm, for example, the interval between adjacent scale mark lines 2000b in the direction parallel to the longitudinal reference virtual line 1200g is 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm.

[0057] The level adjustment element 3000 is provided on the test body portion 1100 of the mortar thickness test element 1000. In one embodiment, the level adjustment element 3000 is a bubble level element, and the level adjustment element 3000 can be provided on the first top end 1100a of the test body portion 1100.

[0058] The present application provides a surface mortar thickness test method based on a surface mortar thickness test device, which includes the following steps:

[0059] A mortar thickness test area 100 is determined. The test end 1200 of the surface mortar thickness test device is directed towards the mortar layer of the mortar thickness test area 100, the levelness of the surface mortar thickness test device is adjusted based on the levelness adjusting element 3000 of the surface mortar thickness test device, so that the longitudinal reference virtual line 1200g of the test end 1200 is perpendicular to the surface of the mortar layer of the mortar thickness test area 100. The surface mortar thickness test device is vertically inserted into the mortar layer of the mortar thickness test area 100 along the direction of the longitudinal reference virtual line 1200g until the test end 1200 of the surface mortar thickness test device touches the coarse aggregate in the mortar layer. The surface mortar thickness test device is pulled out of the mortar layer of the mortar thickness test area 100 in the reverse direction, and the mortar thickness data of the mortar layer of the mortar thickness test area 100 is obtained based on the scale identification structure 2000 of the surface mortar thickness test device.

[0060] When the mortar thickness data of the mortar layer is obtained based on the scale identification structure 2000 of the surface mortar thickness test device, the reading is accurate to 0.5 mm, and the mortar thickness data is obtained multiple times, and the average of the multiple mortar thickness data is taken as the determination result. For example, in one of the embodiments, the above steps are repeated at least three times at different positions of the mortar thickness test area 100, at least three mortar thickness data are obtained, and the average of the multiple mortar thickness data is determined as the final mortar thickness data, and the average is accurate to 0.5 mm. Among them, if the difference between the value of the obtained multiple mortar thickness data and the value of the finally determined mortar thickness data is greater than 1.5 mm, the corresponding mortar thickness data is rejected, and the average of the remaining all mortar thickness data is determined as the final mortar thickness data.

[0061] In one of the embodiments, the testing end 1200 of the surface mortar thickness testing device is kept in contact with the coarse aggregate in the mortar layer for more than 5 seconds, and then the surface mortar thickness testing device is pulled out of the mortar layer in the surface mortar thickness testing area 100. In one of the embodiments, when the mortar thickness data of the mortar layer in the surface mortar thickness testing area 100 is obtained, the thickness values of the scale mark lines 2000b on the interval reading lines 2000a are obtained, and the reading is accurate to 0.5 mm. The mortar thickness data is obtained according to the average of the thickness values. In the process of vertically inserting the surface mortar thickness testing device into the mortar layer in the surface mortar thickness testing area 100 along the direction of the longitudinal reference virtual line 1200g and pulling out the surface mortar thickness testing device from the mortar layer in the surface mortar thickness testing area 100, the driving device is used to cooperate with the insertion and pulling out of the surface mortar thickness testing device, that is, the surface mortar thickness testing device is not inserted by its own weight, but the driving device is used to actively drive the surface mortar thickness testing device to be inserted and pulled out.

[0062] The surface mortar thickness testing device and method provided by the application are different from the method of determining the thickness of concrete mortar by using a ring cutter. The surface mortar thickness testing device is composed of a single component. The thickness of the surface mortar is not characterized by the weight of the surface mortar thickness testing device sinking into the mortar, but the surface mortar thickness testing device is actively inserted into the mortar layer by a driving force. Therefore, the test result is not affected by the fluidity of the surface mortar. When the mortar thickness data is obtained, the scale mark structure 2000 is used to read the thickness data, instead of using the relative value of the outer ring cutter and the inner ring cylinder to characterize the thickness of the surface mortar. Therefore, the thickness of the surface mortar can be directly read, and the reading error is small. In addition, the operation process of the surface mortar thickness testing method is simple and fast. The initial reading does not need to be calibrated, the human operation factors are small, and the cleaning process is simple.

[0063] The technical features of the above embodiments can be combined in any way. To make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.

[0064] The above embodiments only express several implementation manners of the application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent scope. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the application, and these belong to the protection scope of the application. Therefore, the patent protection scope of the application should be subject to the appended claims.

Claims

1. A surface mortar thickness testing device, characterized in that, The surface mortar thickness testing device includes: A mortar thickness testing element includes a connected testing body and a testing end, wherein the testing body has a first top end and a first bottom end, and the testing end has a second top end and a second bottom end, the first bottom end of the testing body is connected to the second top end of the testing end, and the thickness of the testing body and the thickness of the testing end are equal. A scale marking structure includes interval reading lines and scale marking lines disposed on the test end. A longitudinal reference virtual line is defined on the test end along a direction from a second top end to a second bottom end. The interval reading lines are straight lines, and the number of interval reading lines is set to multiple. The multiple interval reading lines are all parallel to the longitudinal reference virtual line and are distributed on the surface of the test end along a direction perpendicular to the longitudinal reference virtual line. The scale marking lines are straight lines, and the number of scale marking lines is set to multiple. The multiple scale marking lines are all perpendicular to the longitudinal reference virtual line and are distributed on the surface of the test end along the direction of the longitudinal reference virtual line. A leveling adjustment element is disposed on the test body of the mortar thickness test element.

2. The surface mortar thickness testing device according to claim 1, characterized in that, The edge of the test body includes an arc edge and a straight edge. The two ends of the arc edge are connected to the two ends of the straight edge, thereby forming a complete closed loop of the edge of the test body through the arc edge and the straight edge. The straight edge is located at the first bottom end of the test body.

3. The surface mortar thickness testing device according to claim 2, characterized in that, The thickness of the test body and the thickness of the test end are between 0.8 mm and 1.2 mm; and / or, The maximum distance between the first top end and the first bottom end of the test body is between 70mm and 80mm; and / or, The length of the straight edge of the test body is between 140mm and 160mm.

4. The surface mortar thickness testing device according to claim 2, characterized in that, The edge of the test end includes a first horizontal straight edge, a second horizontal straight edge, a first vertical straight edge, and a second vertical straight edge. The first horizontal straight edge and the second horizontal straight edge are parallel to each other. The first horizontal straight edge is located at the second top end of the test end, and the second horizontal straight edge is located at the second bottom end of the test end. The first vertical straight edge and the second vertical straight edge are parallel to each other. The two ends of the first vertical straight edge are respectively connected to the left end of the first horizontal straight edge and the left end of the second horizontal straight edge. The two ends of the second vertical straight edge are respectively connected to the right end of the first horizontal straight edge and the right end of the second horizontal straight edge. Thus, the first horizontal straight edge, the second horizontal straight edge, the first vertical straight edge, and the second vertical straight edge form a complete closed loop of the test end.

5. The surface mortar thickness testing device according to claim 4, characterized in that, The straight edge of the test body is connected to the first straight horizontal edge of the test end, and the lengths of the straight edge of the test body and the first straight horizontal edge of the test end are equal; and / or, The lengths of the first and second straight transverse edges of the test end are between 140mm and 160mm; and / or, The lengths of the first and second straight longitudinal edges of the test end are between 8 mm and 12 mm; and / or, The spacing between adjacent scale markings in the direction parallel to the longitudinal reference virtual line is between 0.8 mm and 1.2 mm.

6. The surface mortar thickness testing device according to claim 1, characterized in that, The leveling element is a bubble leveling element.

7. The surface mortar thickness testing device according to claim 1, characterized in that, The leveling adjustment element is located at the first top of the test body.

8. The surface mortar thickness testing device according to claim 1, characterized in that, The main body of the test and the end of the test are integrally formed.

9. A method for testing the thickness of surface mortar based on the surface mortar thickness testing device according to any one of claims 1-8, characterized in that, The surface mortar thickness testing method includes the following steps: Determine the mortar thickness test area; Orient the test end of the surface mortar thickness testing device toward the mortar layer of the mortar thickness testing area, and adjust the level of the surface mortar thickness testing device based on the level adjustment element of the surface mortar thickness testing device, so that the longitudinal reference virtual line of the test end is perpendicular to the surface of the mortar layer of the mortar thickness testing area. The surface mortar thickness testing device is inserted vertically into the mortar layer of the mortar thickness testing area along the direction of the longitudinal reference virtual line until the testing end of the surface mortar thickness testing device touches the coarse aggregate in the mortar layer. The surface mortar thickness testing device is pulled out from the mortar layer in the mortar thickness testing area in the reverse direction, and the mortar thickness data of the mortar layer in the mortar thickness testing area is obtained based on the scale marking structure of the surface mortar thickness testing device.

10. The method for testing the thickness of surface mortar according to claim 9, characterized in that, The above steps are repeated at least three times at different locations within the mortar thickness test area to obtain at least three mortar thickness data points. The average of these multiple mortar thickness data points is determined as the final mortar thickness data point. If the difference between the obtained mortar thickness data point value and the final determined mortar thickness data point value is greater than 1.5 mm, the corresponding mortar thickness data point value is discarded, and the final mortar thickness data point is determined again based on the average of all remaining mortar thickness data points. Alternatively, After the test end of the surface mortar thickness testing device touches the coarse aggregate in the mortar layer, it is held for more than 5 seconds before being pulled out of the mortar layer in the test area; or... When obtaining the mortar thickness data of the mortar layer in the mortar thickness test area, multiple thickness values ​​of the scale marking line are obtained on multiple interval reading lines respectively, with the readings accurate to 0.5 mm, and the mortar thickness data is obtained based on the average of the multiple thickness values.

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