CN217484222U - Concrete structure component internal reinforcement detecting system - Google Patents
Concrete structure component internal reinforcement detecting system Download PDFInfo
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- CN217484222U CN217484222U CN202220956559.1U CN202220956559U CN217484222U CN 217484222 U CN217484222 U CN 217484222U CN 202220956559 U CN202220956559 U CN 202220956559U CN 217484222 U CN217484222 U CN 217484222U
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Abstract
The utility model discloses a concrete structure component internal reinforcement detection system, which comprises an X-ray machine, a light-sensitive plate and a punching tool, wherein the X-ray machine is arranged outside the surface of a concrete component to be detected and is used for carrying out X-ray scanning perpendicular to the concrete component to be detected; the punching tool is used for punching a concrete beam or column member to be detected to obtain a detection hole parallel to the surface of the concrete member, and the light-sensitive plate is arranged in the detection hole or arranged at the other outer side surface of the concrete floor slab or wall member and is vertical to the X-ray emitted by the X-ray machine; and after the light-sensitive plate receives the transmitted X-rays, the reinforcing steel bars positioned in the concrete member to be detected form images on the light-sensitive plate. Through the utility model provides a detection system can carry out the detection of inside reinforcing bar quantity, diameter and defect to concrete beam, post, floor or wall component, when not influencing concrete component bearing function, accurately learns component inside reinforcing bar information, has improved detection efficiency.
Description
Technical Field
The utility model relates to a building technical field, concretely relates to concrete structure component inside steel bar detecting system.
Background
The accurate identification of the diameter and the quantity of the steel bars in the concrete structure is a technical problem in the detection field, the traditional magnetic induction method can identify the internal reinforcing bars of a wall body and a floor slab, but the identification error of the main bars of a beam and a column member is large, and particularly, an accurate detection method for the hogging moment steel bars on the top surface of the beam is unavailable.
At present, in the building industry, chiseling inspection is mainly adopted for reinforced concrete beams or column members with the cross section size of more than 350mm, for example, Chinese patent document CN 102853741 discloses a minimally invasive reinforcing steel bar detection method for the reinforced concrete members of the building, wherein a concrete chiseling mode is adopted, so that the measured reinforcing steel bars are exposed, the diameter of the exposed reinforcing steel bars is clamped by an inner clamping apparatus, the reading of the inner clamping apparatus is measured by a vernier caliper, and the diameter of the reinforcing steel bars is obtained.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned technical problem that exists, realize the short-term test to the inside steel bar diameter of concrete member, the utility model discloses based on X ray detection method, provide a concrete structure member inside steel bar detecting system, utilize the X ray can pierce through the concrete member of certain thickness, especially provide effectual inside arrangement of reinforcement quantity and diameter detection means to being greater than the concrete member that the X ray pierces through thickness.
The adopted technical scheme is as follows:
a system for detecting a steel bar in a concrete structural member comprises an X-ray machine, a light-sensitive plate and a punching tool, wherein the X-ray machine is arranged on the outer side of the surface of the concrete member to be detected and is used for carrying out X-ray scanning perpendicular to the concrete member to be detected; the punching tool is used for punching a concrete beam or column member to be detected to obtain a detection hole parallel to the surface of the concrete member, and the light-sensitive plate is arranged in the detection hole or arranged at the other outer side surface of the concrete floor slab or wall member and is vertical to the X-ray emitted by the X-ray machine; and after the light-sensitive plate receives the transmitted X-rays, the reinforcing steel bars positioned in the concrete member to be detected form images on the light-sensitive plate.
Preferably, the detection hole is a through hole with the diameter larger than 50 mm.
Preferably, the photosensitive web is a digital imaging web or film.
Preferably, the perforating tool is a concrete core drilling machine or a special rope saw, and the distance between the detection hole and the surface of the concrete member is smaller than the effective transmission distance of the X-ray machine in the concrete member.
Further preferably, the X-ray scanning width of the X-ray machine is less than or equal to the cross-sectional width of the concrete member to be measured.
When the concrete member is a concrete beam, a column, a floor slab or a wall member with the thickness of less than 350mm, the X-ray machine and the light-sensitive plate are respectively arranged at two opposite sides of the concrete member to be detected.
When the concrete member is a concrete beam, column, floor or wall member with the thickness of more than 350mm, the detection hole with the light-sensitive plate is arranged in the concrete member.
The utility model discloses technical scheme has following advantage:
A. the utility model adopts an X-ray detection mode to identify the reinforcing steel bars in concrete members such as beams, columns (hidden columns), walls, plates and the like and calculate the diameter size; through an X-ray penetrability test, the thickness of the concrete member which can effectively penetrate through the concrete member is about 350mm, and for a concrete beam or column member with the cross section thickness exceeding 350mm, accurate measurement of the diameter and the number of the internal reinforcing steel bars cannot be realized due to the fact that the X-ray cannot penetrate through the concrete beam or column member; the utility model discloses carry out the preparation of inspection hole through utilizing special instrument of punching in exceeding 350 mm's large cross-section concrete member, form the inspection hole that is used for placing the sensitization board, when X-ray machine carried out X-ray scanning to the concrete member, the X ray of walking in the concrete is seen through from the inspection hole, according to the X ray formation of image principle, demonstrate the image of the inside reinforcing bar of concrete member on the sensitization board, obtain the reinforcing bar quantity that contains, again according to the reinforcing bar formation of image size on the sensitization board, the geometric relation that combines the system position reachs the actual diameter of each reinforcing bar, it calculates the accuracy, and it is efficient.
B. The utility model discloses the transmitting terminal according to X ray apart from the distance of survey reinforcing bar and inspection hole, the reunion ray angle, the isoparametric of distance revises the imaging result, thereby the accuracy obtains the inside steel bar diameter of concrete member, need not destroy concrete member surface decoration layer, will inspect the hole repair again after the detection is accomplished, do not influence the bearing performance of former concrete member, really realized the nondestructive test to bearing steel bar quantity and diameter in the concrete member, solved present building structure detection field concrete floor, a wall, the inside steel bar diameter of roof beam or post component is difficult to realize quick, the difficult problem of accurate detection.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic representation of the state of inspection of a concrete beam member provided by the present invention;
FIG. 2 is a schematic representation of the inspection of a concrete column member provided by the present invention;
FIG. 3 is a schematic representation of the inspection of concrete floor or wall components provided by the present invention;
fig. 4 is a schematic representation of the calculation of the diameter of the reinforcing bar provided by the present invention;
fig. 5 is an image I of the reinforcing bar on the photosensitive plate provided by the present invention;
fig. 6 is an image pattern II of the reinforcing bar on the photosensitive plate according to the present invention.
The identification symbols provided in the figures are illustrated as follows:
1-concrete member, 11-top steel bar, 12-bottom steel bar; 2-detecting holes; 3-an X-ray machine; 4-a floor slab; 5-light-sensitive plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides an inside reinforcing bar detecting system of concrete structure component, including X-ray machine 3, sensitization board 5 and the instrument of punching (not marked in the figure), X-ray machine 3 can be located the different detection faces of concrete component for detect the inside reinforcing bar diameter of concrete component of different positions, for example to the detection of four inside reinforcing bars quantity and diameter in the face, as shown in fig. 1, fig. 2. The punching tool is used for punching the concrete member 1 to be detected to obtain a detection hole 2 parallel to the surface of the concrete member 1 to be detected, the light-sensitive plate 5 is arranged in the detection hole 2, the X-ray machine 3 is arranged on the outer side of the concrete member 1 to be detected, and X-ray emission and scanning are carried out in the direction vertical to the surface of the concrete member 1 to be detected; after the X-rays transmitted through the inspection hole 2 are received by the light-sensitive plate 5, the top steel bar 11 or the bottom steel bar 12 of the concrete member 1 to be inspected forms an image on the light-sensitive plate 5. Through measuring tools such as slide caliper rule, directly record the formation of image size on the sensitization board 5, then can directly obtain the actual diameter size of component top reinforcing bar 11 or bottom reinforcing bar 12 according to above-mentioned computational formula, detection efficiency is high, and the deviation is little, can accurately obtain the quantity and the diameter size of reinforcing bar in the concrete component of surveying, can also follow directly perceivedly on the sensitization board whether there is defect etc. in the concrete.
As shown in fig. 1-4, the concrete detection method of the system for detecting the internal steel bar of the concrete structural member provided by the present invention is: erecting an X-ray machine outside the surface of the concrete member; starting an X-ray machine, controlling X-rays emitted by the X-ray machine to be vertical to the surface of the concrete member, and transmitting the X-rays into the concrete member; the X-ray penetrates out of the concrete member and then vertically irradiates the light-sensitive plate, and images of the steel bars to be detected in the concrete member are obtained on the light-sensitive plate; after the dimension correction, the diameter and the number of the steel bars inside the concrete member are obtained, as shown in fig. 5 and fig. 6, and the image diagram combined on the light-sensitive plate shows that the number of the steel bars contained in the concrete member and some internal defects in the concrete member can be seen.
The detection method of the provided system is also suitable for concrete floor slabs or wall members, as shown in fig. 3, because the thickness of the concrete floor slabs or wall members is usually less than 350mm, the X-ray emitted by the X-ray machine can penetrate through the whole floor slabs or wall bodies, the X-ray machine is only needed to be erected on one side of the concrete floor slabs or wall members, the light-sensitive plate is placed on the other opposite side of the concrete floor slabs or wall members, the transmitted X-ray vertically irradiates on the light-sensitive plate, the steel bar images are displayed on the light-sensitive plate by utilizing the imaging principle, and the number of the internal reinforcing bars can be obtained and the diameter of the steel bars can be obtained through calculation.
Of course, when the concrete member to be detected is a concrete beam or a concrete column member, since the thickness of the member is greater than 350mm, as shown in fig. 1 and 2, the detection method is as follows:
firstly, punching holes in the middle of a concrete beam and a concrete column to form a detection hole parallel to the surface of a concrete member to be detected, and installing a light-sensitive plate in the detection hole, wherein the position of the detection hole can not completely fall in the middle of the concrete beam or the concrete column member; then, starting the X-ray machine, vertically transmitting the generated X-rays into the concrete member, and vertically irradiating the concrete member to a light-sensitive plate for imaging after the X-rays are transmitted out of the detection hole; and finally, obtaining the diameters and the number of the steel bars in the concrete beam and column component after size correction calculation.
Similarly, when the X-ray machine is placed on the other surface of the concrete beam or column member, an image of the reinforcing steel bar positioned on the other surface can be obtained on the light-sensing plate through X-ray scanning perpendicular to the other surface, and then the actual diameter size of the reinforcing steel bar inside the concrete beam or column member is obtained through calculation.
The utility model can form a detection hole vertically penetrating the side surface of the concrete member after being cut by a special concrete core-taking machine or a special rope saw, and the size of the detection hole from the surface of the concrete member is smaller than the effective transmission distance of an X-ray machine in the concrete member; of course, the inspection hole can also be a local blind hole structure, and the utility model discloses do not do specific restriction to the degree of depth of its inspection hole. The aperture of the formed detection hole can be a through hole with the diameter larger than 50mm, so that the photosensitive plate can be conveniently placed in the detection hole, and the detection hole can be realized by selecting a punching tool with a proper size.
The scanning width of the X-ray generated by the X-ray machine is less than or equal to the cross-sectional width of the concrete member, and the specific scanning width of the X-ray can be matched with the depth dimension of the detection hole, which is not limited specifically here.
As shown in fig. 4, the utility model discloses in, according to the actual diameter d of the formation of image size calculation of the reinforcing bar on the sensitization board each reinforcing bar, its computational formula: d ═ D × h1/(h1+ h 2);
d is the imaging diameter size of a reinforcing steel bar formed on the light-sensitive plate;
h1 is the vertical distance from the steel bar to be measured to the emergent end of the X-ray machine;
h2 is the vertical distance from the steel bar to be measured to the light sensing plate.
Certainly, the utility model discloses in still including the restoration step to the inspection hole, after the detection achievement to concrete beam, post or other big cross-section members, need adopt the concrete or the grout material of high strength grade to in time fill the inspection hole, resume structure atress performance. Because the utility model discloses the inspection hole size that forms in the concrete member is less, can not destroy original structure bearing capacity.
The utility model discloses the part not mentioned all is applicable to prior art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The system for detecting the steel bars in the concrete structural member is characterized by comprising an X-ray machine, a light-sensitive plate and a punching tool, wherein the X-ray machine is arranged on the outer side of the surface of the concrete structural member to be detected and is used for carrying out X-ray scanning perpendicular to the concrete structural member to be detected; the punching tool is used for punching a concrete beam or column member to be detected to obtain a detection hole parallel to the surface of the concrete member, and the light-sensitive plate is arranged in the detection hole or arranged at the other outer side surface of the concrete floor slab or wall member and is vertical to the X-ray emitted by the X-ray machine; and after the light-sensitive plate receives the transmitted X-rays, the reinforcing steel bars positioned in the concrete member to be detected form images on the light-sensitive plate.
2. The system for inspecting reinforcement inside a concrete structural member according to claim 1, wherein said inspection hole is a through hole having a diameter of more than 50 mm.
3. The system for inspecting reinforcement bars inside concrete structural members according to claim 2, wherein said photosensitive plate is a digital imaging plate or a film.
4. A concrete structure member internal reinforcement detection system according to claim 3, wherein the punching tool is a concrete core drilling machine or a special rope saw, and the size of the detection hole from the surface of the concrete member is smaller than the effective transmission distance of the X-ray machine in the concrete member.
5. A system for detecting the internal reinforcement of a concrete structural member according to any one of claims 1 to 4, wherein the X-ray scanning width of the X-ray machine is less than or equal to the cross-sectional width of the concrete structural member to be detected.
6. A system for detecting reinforcement inside a concrete structural member according to claim 1, wherein when the concrete structural member is a concrete beam, column, floor or wall member having a thickness of less than 350mm, the X-ray machine and the light-sensing plate are respectively disposed at opposite sides of the concrete structural member to be detected.
7. The system for detecting the internal reinforcement of a concrete structural member according to claim 1, wherein when the concrete structural member is a concrete beam, column, floor or wall member having a thickness of more than 350mm, the concrete structural member is provided with the detection hole having a light sensing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956559.1U CN217484222U (en) | 2022-04-24 | 2022-04-24 | Concrete structure component internal reinforcement detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956559.1U CN217484222U (en) | 2022-04-24 | 2022-04-24 | Concrete structure component internal reinforcement detecting system |
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| CN217484222U true CN217484222U (en) | 2022-09-23 |
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| CN202220956559.1U Active CN217484222U (en) | 2022-04-24 | 2022-04-24 | Concrete structure component internal reinforcement detecting system |
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