阅读说明：本技术 一种混凝土叠合构件粗糙度图像检测标准板及使用方法 (Concrete superposed member roughness image detection standard plate and use method thereof ) 是由 陈隽 于 2020-07-10 设计创作，主要内容包括：本发明涉及一种混凝土叠合构件粗糙度图像检测标准板,该标准板可作为预制混凝土叠合构件粗糙度图像检测方法的对照基准,可用于采用三维激光扫描、三维深度相机以及平面相机拍照等图像方式,进行混凝土预制叠合板、叠合梁或其他预制构件结合面的粗糙度检测的工作。本申请主要特点有：可用于确定混凝土粗糙度图像检测中视觉基准面；可用于对混凝土粗糙度检测精度的平面尺度和深度校验；本装置同时具有测量尺寸、角度、裂缝宽度的功能,并可配合用于对应的图像检测功能；本装置体积小,具有调平功能,采用亚克力板作为生产材料质量轻,操作方便,易于携带。(The invention relates to a roughness image detection standard plate for a concrete superposed member, which can be used as a reference standard of a roughness image detection method for a precast concrete superposed member and can be used for carrying out roughness detection on a joint surface of a precast concrete superposed slab, a superposed beam or other precast members by adopting image modes such as three-dimensional laser scanning, a three-dimensional depth camera, a plane camera and the like. The application has the following main characteristics: the method can be used for determining a visual reference surface in concrete roughness image detection; the method can be used for checking the plane scale and the depth of the concrete roughness detection precision; the device has the functions of measuring the size, the angle and the crack width at the same time, and can be matched with the corresponding image detection function; the device has small volume, leveling function, light weight by adopting the acrylic plate as a production material, convenient operation and easy carrying.)

1. The utility model provides a concrete superimposed member roughness image detection standard plate which characterized in that: the detection plate is a rectangular detection plate, the front side of the detection plate comprises a crack width comparison measurement area, a size and angle measurement area and a level bubble placing area, and the back side of the detection plate comprises a roughness measurement precision inspection area, a size and angle measurement area and a level bubble placing area.

2. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the detection plate is a milky opaque acrylic plate with the length of 10cm, the width of 6cm and the thickness of 8 mm.

3. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the detection plate front crack width contrast measurement area comprises 12 strip-shaped line segments with different widths, and a width mark is arranged on one side of each line segment.

4. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the detection plate front side size and angle measurement area comprises scales in the length direction and the width direction, and an angle comparison line segment of 45 degrees and 60 degrees is arranged at the lower right corner of the detection plate front side.

5. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the level bubble placing area on the front face of the detection plate comprises a sinking groove with the depth of 6mm and the diameter of 14mm, and is provided with a level bubble.

6. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the roughness measurement precision inspection area of the reverse side of the detection plate comprises a circular sinking groove with the depth of 5mm, a square sinking groove with the depth of 5mm, a cross sinking groove with the depth of 5mm, a triangular sinking groove with the depth of 5mm and two rectangular sinking grooves with the depths of 4mm and 6mm respectively.

7. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the size and angle measuring area of the reverse side of the detection plate comprises scales in the length direction and the width direction, and a 45-degree and 60-degree angle comparison line segment is arranged at the lower right corner of the reverse side of the detection plate.

8. The standard plate for detecting roughness image of concrete laminated member according to claim 1, wherein: the level bubble placing area on the reverse side of the detection plate comprises a sinking groove with the depth of 6mm and the diameter of 14mm, and is provided with a level bubble.

9. The use method of the roughness image detection standard plate of the concrete superposed member according to claim 1, is characterized in that:

the method comprises the following steps:

firstly, selecting an image measuring method for the roughness of the laminated slab, such as a laser scanning method, measuring the back surface of the standard slab under the same external environment before measuring the roughness of the laminated member, measuring the depth of a circular, square or rectangular sink groove on the back surface of the standard slab, comparing the depth with the standard depth of the sink groove, and evaluating whether the measuring precision meets the requirement.

And secondly, selecting a roughness measuring area of the laminated member according to the requirements of relevant specifications, and measuring by using the size scales on the standard plate to obtain size information such as the area of the measuring area and prepare for calculating the roughness subsequently.

And thirdly, in the measuring area, placing the standard plate on a proper flat area, adjusting the position and the direction of the standard plate to center the bubble of the level bubble, selecting the upper surface of the standard plate as a reference surface for measuring the roughness of the superposed member, and finally, subtracting the thickness of the standard plate from the calculated roughness.

10. The use method of the roughness image detection standard plate of the concrete superposed member according to claim 9, is characterized in that:

attaching the standard plate to the surface of an object to be measured, aligning the line segment of the crack width comparison measurement area with the crack to be measured, and comparing to obtain the width of the crack to be measured; the size and angle measuring areas of the front surface and the back surface of the standard plate comprise scales in the length direction and the width direction, and a 45-degree and 60-degree angle comparison line segment is arranged at the lower right corner of the front surface of the detection plate; when a measurement area with a predetermined size is divided on the laminated plate, the measurement area can be used for measuring the size of the area; the level bubble placing areas on the front side and the back side of the standard plate respectively comprise a sinking groove with the depth of 6mm and are provided with level bubbles; when the standard plate is used, the position and the direction of the standard plate are adjusted to enable the air bubbles in the air level to be centered, the upper surface of the standard plate is selected as a reference surface for roughness measurement, the reference surface is parallel to the surface of an object to be measured at the moment, and the thickness of the standard plate is subtracted when the roughness is calculated; the roughness measurement precision inspection area on the reverse side of the standard plate comprises a circular sinking groove with the depth of 5mm, a square sinking groove with the depth of 5mm, a cross sinking groove with the depth of 5mm, a triangular sinking groove with the depth of 5mm and two rectangular sinking grooves with the depths of 4mm and 6mm respectively; before the roughness of the superposed member is measured, the depths of a circular sinking groove, a square sinking groove, a cross sinking groove, a triangular sinking groove and a rectangular sinking groove in the roughness measurement precision inspection area of the standard plate are measured by the same measuring method; and comparing the measurement result with the standard depth of the sink, and evaluating the precision of the selected measurement method.

Technical Field

The invention relates to the technical field of building detection, in particular to a roughness image detection standard plate of a concrete superposed member and a using method thereof.

Background

The prefabricated concrete structure has the characteristics of environmental protection, material saving, high efficiency, good construction quality and the like, and is widely applied in China in recent years, and the superposed member is an important component of the prefabricated concrete structure. The joint surfaces of the superposed members such as the superposed floor slab, the superposed beam, the superposed wallboard and the like must be made into rough surfaces so as to enhance the bonding performance of the new concrete and the old concrete and ensure that the two can work together. The common rough surface treatment processes include roughening, indentation, scouring, printing, roughening, grooving, high pressure water flushing and the like. However, the quality of the joint surfaces of the construction processes is uneven, and the construction quality is difficult to ensure. The area of a rough surface of concrete is not required to be less than 80% of a joint surface, the roughness of the rough surface of a precast slab is not required to be less than 4mm, and the roughness of the rough surface of a precast beam end, a precast column end and a precast wall end is not required to be less than 6mm, which are specified in the concrete structure design specifications (GB50010-2010) and the prefabricated concrete structure technical specifications (JGJ1G-2014) in China.

In the specification, although the concave-convex depth requirement and the area requirement of the rough surface are given, a specific roughness measurement method is not given. On the construction site, a plurality of areas with specified sizes are selected on the laminated slab, and the laminated slab is detected and accepted by adopting a sand filling method, a contact pin method, a digital image method, a laser measuring method and the like. However, these methods cannot provide the reference surface position of the roughness reasonably and effectively, and cannot check the measurement accuracy, so that the rough surface in the actual engineering cannot be effectively checked at present.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a concrete superposed member roughness image detection standard plate and a use method thereof, solves the problems that a reference surface is difficult to select, the precision of a measurement result cannot be detected and the like in the existing superposed member roughness image measurement method, and can be used for measuring the size, the angle and the crack width of a measurement area.

In order to solve the technical problem, the invention is realized as follows:

the utility model provides a concrete superimposed member roughness image detection standard plate which characterized in that: the detection plate is a rectangular detection plate, the front side of the detection plate comprises a crack width comparison measurement area, a size and angle measurement area and a level bubble placing area, and the back side of the detection plate comprises a roughness measurement precision inspection area, a size and angle measurement area and a level bubble placing area.

The concrete superposed member roughness image detection standard plate is characterized in that: the detection plate is a milky opaque acrylic plate with the length of 10cm, the width of 6cm and the thickness of 8 mm.

The concrete superposed member roughness image detection standard plate is characterized in that: the detection plate front crack width contrast measurement area comprises 12 strip-shaped line segments with different widths, and a width mark is arranged on one side of each line segment.

The concrete superposed member roughness image detection standard plate is characterized in that: the detection plate front side size and angle measurement area comprises scales in the length direction and the width direction, and an angle comparison line segment of 45 degrees and 60 degrees is arranged at the lower right corner of the detection plate front side.

The concrete superposed member roughness image detection standard plate is characterized in that: the level bubble placing area on the front face of the detection plate comprises a sinking groove with the depth of 6mm and the diameter of 14mm, and is provided with a level bubble.

The concrete superposed member roughness image detection standard plate is characterized in that: the roughness measurement precision inspection area of the reverse side of the detection plate comprises a circular sinking groove with the depth of 5mm, a square sinking groove with the depth of 5mm, a cross sinking groove with the depth of 5mm, a triangular sinking groove with the depth of 5mm and two rectangular sinking grooves with the depths of 4mm and 6mm respectively.

The concrete superposed member roughness image detection standard plate is characterized in that: the size and angle measuring area of the reverse side of the detection plate comprises scales in the length direction and the width direction, and a 45-degree and 60-degree angle comparison line segment is arranged at the lower right corner of the reverse side of the detection plate.

The concrete superposed member roughness image detection standard plate is characterized in that: the level bubble placing area on the reverse side of the detection plate comprises a sinking groove with the depth of 6mm and the diameter of 14mm, and is provided with a level bubble.

The invention has the beneficial effects that: the method can be used as a visual contrast plane benchmark for measuring the roughness of the superposed member in modes of three-dimensional laser scanning, a three-dimensional depth camera, a plane camera and the like, the problems that the reference surface is selected in the roughness image measuring process and is not standard and the measuring precision cannot be checked and the like are solved, the accuracy of the roughness evaluation of the concrete superposed member is improved, the standard plate provides a size and angle measuring function, the size measurement in the measurement area division is convenient, and meanwhile, the standard plate can also be used for measuring the width of cracks in the concrete.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

FIG. 1 is a front view of a roughness image inspection standard plate for a concrete laminated member according to the present application;

FIG. 2 is a schematic reverse side view of a roughness image detection standard plate for a concrete laminated member according to the present application.

Detailed Description

As shown in fig. 1 and 2: a roughness image detection standard plate for a concrete superposed member is a rectangular detection plate 1, the front side of the detection plate 1 comprises a crack width comparison measurement area, a size and angle measurement area and a level bubble placing area, and the back side of the detection plate 1 comprises a roughness measurement precision inspection area, a size and angle measurement area and a level bubble placing area.

Further, the detection plate 1 is a milky opaque acrylic plate with the length of 10cm, the width of 6cm and the thickness of 8 mm.

Further, the front crack width comparison measuring area of the detection plate 1 comprises 12 strip-shaped line segments with different widths, the 12 line segments 3 with the widths of 0.1mm, 0.2mm, 0.3mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5m and 3.0mm are respectively arranged on one side of the parallel line segment, and a width mark 4 is arranged on one side of the parallel line segment; when measuring the width of the crack, the standard plate is required to be attached to the surface of an object to be measured, so that the line segment of the crack width comparison measurement area is aligned with the crack to be measured, and the width of the crack to be measured can be obtained by comparison.

Further, the detection plate front side size and angle measurement area comprises length direction scales 5 and width direction scales 7, and an angle comparison line segment 9 of 45 degrees and 60 degrees is arranged at the lower right corner of the detection plate front side.

Further, the level bubble placing area on the front surface of the detection plate comprises a sinking groove 11 with the depth of 6mm and the diameter of 14mm, and the level bubble is installed in the sinking groove.

Further, the roughness measurement accuracy test area on the reverse side of the test board comprises a circular sinking groove 13 with the depth of 5mm, a square sinking groove 14 with the depth of 5mm, a cross sinking groove 15 with the depth of 5mm, a triangular sinking groove 16 with the depth of 5mm, and two rectangular sinking grooves 17 with the depths of 4mm and a rectangular sinking groove 18 with the depth of 6 mm.

Further, the size and angle measuring area of the back surface of the detection plate comprises a length direction scale 6 and a width direction scale 8, and a 45-degree and 60-degree angle comparison line segment 10 is arranged at the lower right corner of the back surface of the detection plate.

Further, the level bubble placing area on the reverse side of the detection plate comprises a sinking groove 12 with the depth of 6mm and the diameter of 14mm, and the level bubble is installed in the sinking groove.

The use method of the roughness image detection standard plate of the concrete superposed member comprises the following steps:

firstly, selecting an image measuring method for the roughness of the laminated slab, such as a laser scanning method, measuring the back surface of the standard slab under the same external environment before measuring the roughness of the laminated member, measuring the depth of a circular, square or rectangular sink groove on the back surface of the standard slab, comparing the depth with the standard depth of the sink groove, and evaluating whether the measuring precision meets the requirement.

And secondly, selecting a roughness measuring area of the laminated member according to the requirements of relevant specifications, and measuring by using the size scales on the standard plate to obtain size information such as the area of the measuring area and prepare for calculating the roughness subsequently.

And thirdly, in the measuring area, placing the standard plate on a proper flat area, adjusting the position and the direction of the standard plate to center the bubble of the level bubble, selecting the upper surface of the standard plate as a reference surface for measuring the roughness of the superposed member, and finally, subtracting the thickness of the standard plate from the calculated roughness.

Paste this application standard board on the object surface that awaits measuring, make the line segment 3 of crack width contrast measuring region align with the crack that awaits measuring, contrast, can obtain the crack width that awaits measuring. The size and angle measuring areas of the front surface and the back surface of the standard plate comprise scales in the length direction and the width direction, and a 45-degree and 60-degree angle comparison line segment 9 is arranged at the right lower corner of the front surface of the detection plate. When a measurement area of a predetermined size is divided on the laminated plate, the size of the measurement area can be used. The level bubble placing areas on the front surface and the back surface of the standard plate respectively comprise a sinking groove with the depth of 6mm and are provided with level bubbles. When the standard plate is used, the position and the direction of the standard plate are adjusted to enable the air bubbles in the air level to be centered, the upper surface of the standard plate is selected as a reference surface for roughness measurement, the reference surface is parallel to the surface of an object to be measured at the moment, and the thickness of the standard plate is subtracted when the roughness is calculated. The roughness measurement accuracy inspection area of the reverse side of the standard plate comprises a circular sinking groove with the depth of 5mm, a square sinking groove with the depth of 5mm, a cross sinking groove with the depth of 5mm, a triangular sinking groove with the depth of 5mm and two rectangular sinking grooves with the depths of 4mm and 6mm respectively. Before the roughness of the superposed member is measured, the depths of a circular sinking groove, a square sinking groove, a cross sinking groove, a triangular sinking groove and a rectangular sinking groove in the roughness measurement precision inspection area of the standard plate are measured by the same measuring method. And comparing the measurement result with the standard depth of the sink, and evaluating the precision of the selected measurement method.

The method mainly cooperates with a three-dimensional scanner, a three-dimensional depth camera and a plane camera to measure and evaluate the roughness of the superposed component. A measurement step: 1. with this application openly upwards place on the coincide component laminating face that awaits measuring, adjust this application position, make the air level in this application placed between two parties. 2. And shooting by using equipment such as a three-dimensional depth camera and the like to acquire the three-dimensional point cloud file. 3. And carrying out data processing on the three-dimensional point cloud file, extracting the position of the front side of the application as a reference surface for measuring the roughness of the superposed member, and calculating the distance from the rough surface of the superposed member to the reference surface to obtain the roughness.

The main function of the application is to determine the measuring reference plane.

The application is also useful for evaluation of measurements;

an evaluation step: 1. place this application reverse side upwards on coincide component coincide face of laminating, adjust this application position, make the air level in this application placed in the middle. 2. And shooting by using equipment such as a three-dimensional depth camera and the like to acquire the three-dimensional point cloud file. 3. And (3) carrying out data processing on the three-dimensional point cloud file, extracting the position of the back surface of the application, using the position as a reference surface for measuring the roughness, calculating the roughness of the sink groove of the back surface of the application, and comparing the roughness with the real roughness (sink groove depth) of the sink groove to evaluate the roughness measurement precision.

According to the size information, the picture is obtained through equipment such as a common plane camera, and the real size information of the object in the two-dimensional picture can be extracted through means such as image processing.

Simultaneously, the front size and angle measurement area and the crack width contrast measurement area can be used for measuring the size, the angle and the crack width.

The method is mainly used as a standard component to be matched with equipment such as a three-dimensional scanner, a three-dimensional depth camera and a plane camera to finish the work of measuring the roughness of the superposed component.

The above embodiments are merely preferred embodiments for fully illustrating the present application, and the scope of the present application is not limited thereto. The equivalents and modifications that can be made by those skilled in the art based on the present application are within the scope of the present application, which is defined by the appended claims.