CN113074685A - Road ground plane crack depth detection method - Google Patents
Road ground plane crack depth detection method Download PDFInfo
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- CN113074685A CN113074685A CN202110135188.0A CN202110135188A CN113074685A CN 113074685 A CN113074685 A CN 113074685A CN 202110135188 A CN202110135188 A CN 202110135188A CN 113074685 A CN113074685 A CN 113074685A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses a method for detecting the depth of a crack on a road ground plane, which belongs to the field of road foundation detection and comprises the following steps: s1, firstly cleaning cracks of which the depth is to be detected, cleaning out garbage and broken stones inside, and then allocating epoxy resin, the scheme utilizes epoxy resin to fill and shape the cracks, so that the depth and the shape of the cracks can be intuitively and comprehensively known, the epoxy resin is shaped by two walls of two insertion plates matched with the cracks, the positions of the insertion plates can be slidably adjusted to adapt to irregular cracks, the insertion plates can also be adjusted up and down to adapt to the depth trend of the cracks, buffering is carried out between the insertion plates and the epoxy resin through backing plates, and separation of the epoxy resin and the insertion plates is facilitated.
Description
Technical Field
The invention relates to the field of road foundation detection, in particular to a method for detecting the depth of a crack on a road foundation surface.
Background
The roadbed is the foundation of the road surface, and has the effect of bearing traffic load together with the road surface, and has enough strength, deformation resistance and durability. The roadbed should be designed comprehensively as a geotechnical structure for supporting the road surface. The design of the road subgrade should adhere to the principles of investigation and research, local treatment and local material utilization. The basic principle of road construction should be met. Before design, the investigation work of relevant conditions such as engineering geology, hydrology, environment, land utilization, historical relics, ancient trails, materials and the like must be done, and correct design is made according to road grade, driving requirements and natural conditions.
Various cracks appear on the existing pavement, namely, the flatness is reduced, the attractiveness of the pavement is influenced, the service life of the pavement is shortened, and the reason for causing the pavement cracks is many: shrinkage of the dry soil; soft foundations or roadbed layers; paving pavement cracks with poor joints; shrinkage of the asphalt layer; and (5) daily temperature cycling. When the road surface cracks, rainwater can seep into the base course, the subbase and even the roadbed through the cracks, so that the concrete roadbed can be corroded, the strength of the base course and the soil foundation is weakened, the damage of the road is accelerated, and the service life of the road surface is shortened. The road may be further deteriorated in the current situation that the traffic is increasingly loud, and therefore, the repair and maintenance of the road are particularly important.
In order to better understand the characteristics of the crack, researchers can carry out depth detection on the crack, most of the existing detection methods carry out measurement through a measuring scale, but due to the complexity of the shapes such as the depth and the width of the crack, the measurement data are not accurate, and the deep research of the researchers is not facilitated.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for detecting the depth of a crack on a road foundation surface, which utilizes epoxy resin to perform injection molding on the crack, the depth and the shape of the crack can be visually and comprehensively known, one section of the crack is cut through the two inserting plates, the epoxy resin is shaped by matching with the two walls of the crack, the positions of the two inserting plates can be adjusted in a sliding way, so as to adapt to the irregular cracks, the inserting plate can be adjusted up and down to adapt to the depth trend of the cracks, the inserting plate and the epoxy resin are buffered through the backing plate, the epoxy resin and the inserting plate are conveniently separated, compared with the prior art, the crack depth and shape can be known more visually, deep research of researchers is effectively improved, the device can be flexibly adjusted according to the characteristics of cracks, and the adaptability is high.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for detecting the depth of a crack on a road ground plane comprises the following steps:
s1, cleaning cracks of the depth to be detected to clean out garbage and broken stones in the cracks, and then blending epoxy resin;
s2, selecting one section of the crack to be detected, nailing the detection device into the selected section of crack, and attaching the lower surface of the detection device to the road base surface to ensure that the detection device does not shake any more and then pouring the prepared epoxy resin into the detection device;
and S3, after the epoxy resin is cured, pulling out the detection device from the crack, then cutting the epoxy resin along the lower surface of the detection device, and obtaining the depth of the crack and the shape of the crack from the shape of the epoxy resin.
Further, detection device in the S2 step includes the filling box, the filling opening has been seted up to the upper end lateral wall of filling box, and the lower extreme lateral wall of filling box has seted up the filling mouth, inside spout has all been seted up to the both sides inner wall of filling box, and sliding connection has the slider in the inside spout, the opening spout rather than the intercommunication is all seted up to the upper and lower both sides inner wall that the filling box is located inside spout, two all insert in the slider and be equipped with the picture peg, and the picture peg runs through the opening spout, two the equal joint of lower extreme lateral wall of picture peg has the backing plate, the lateral wall threaded connection of slider has clamp bolt, and the bar open slot that matches with clamp bolt is seted up to the lateral wall of inside spout, utilizes epoxy to fill the crack moulding, can be directly perceived, comprehensive understanding cracked degree.
Furthermore, the side wall of the backing plate is fixedly connected with a plurality of groups of elastic insertion rods, the side wall of the insertion plate is provided with slots matched with the elastic insertion rods, and the hook parts of the elastic insertion rods hook the slots to realize the purpose of clamping.
Furthermore, each group of two elastic insertion rods are hook-shaped, the elastic insertion rods are made of elastic materials, and the elastic insertion rods can be repeatedly inserted into and pulled out of the slots due to elasticity of the elastic insertion rods.
Further, the lateral wall fixedly connected with a plurality of embedding pieces of picture peg are kept away from to the backing plate, the embedding piece is including the embedding post, the fixed cover of lateral wall of embedding post is equipped with a plurality of cover pieces, is in order to increase backing plate and epoxy's contact friction.
Furthermore, a plurality of outlet ducts of fixedly connected with in the filling box, and the upper and lower both ends of outlet duct all communicate with the external world, let the air distribute away when being in order to pour into epoxy.
Further, the lower extreme fixedly connected with first blade of picture peg, the lower extreme fixedly connected with second blade of backing plate, first blade and second blade are all in order to increase the sharpness so that can be smooth and easy insert in the crack.
Furthermore, scale marks are engraved on the side walls, far away from the base plate, of the two inserting plates, and the height of the epoxy resin can be measured by observing the scale marks.
Furthermore, the width of the sliding block is larger than that of the opening sliding groove, so that the sliding block is prevented from falling from the opening sliding groove.
Further, the method for using the detection device in the step S2 includes the following steps:
n1, inserting the inserting plates into the sliding blocks through the open sliding grooves before use, then clamping the backing plates on the inserting plates, adjusting the positions of the two inserting plates in a sliding manner according to the shape of the crack, and nailing the inserting plates into the crack;
n2, pressing the inserting plate on the sliding block by using a pressing bolt after the inserting plate does not shake, then injecting epoxy resin into the filling box, and enclosing the epoxy resin by the inserting plates on two sides and the side wall of the crack;
and N3, after the epoxy resin is cured, pulling out the plugboard from the crack, firstly screwing out the hold-down bolt to pull out the plugboard, and finally cutting off the epoxy resin along the lower surface of the filling box.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme utilizes epoxy to fill the moulding to the crack, can be directly perceived, the fissured degree of depth of comprehensive understanding and shape, one of them section through two picture peg intercepting cracks, two walls in cooperation fissured are moulding to epoxy, the equal slidable adjustment in position of two picture pegs, in order to adapt to crooked irregular crack, the picture peg is also adjusted from top to bottom, in order to adapt to fissured degree of depth trend, cushion through the backing plate between picture peg and the epoxy, make things convenient for breaking away from of epoxy and picture peg, compared with the prior art, this scheme can more audio-visual cracked degree of depth and shape of understanding, effectively improve researcher's deep research, and the device can carry out nimble regulation according to fissured characteristics, high adaptability.
(2) The detection device in the S2 step includes the filling box, the filling opening has been seted up to the upper end lateral wall of filling box, and the lower extreme lateral wall of filling box has seted up the filling opening, inside spout has all been seted up to the both sides inner wall of filling box, and sliding connection has the slider in the inside spout, the opening spout rather than the intercommunication has all been seted up to the upper and lower both sides inner wall that the filling box is located inside spout, it is equipped with the picture peg all to insert in two sliders, and the picture peg runs through the opening spout, the equal joint of the lower extreme lateral wall of two picture pegs has the backing plate, the lateral wall threaded connection of slider has clamp bolt, and the lateral wall of inside spout sets up the bar open slot that matches with clamp bolt, it is moulding to utilize epoxy to.
(3) The side wall of the backing plate is fixedly connected with a plurality of groups of elastic insertion rods, the side wall of the insertion plate is provided with slots matched with the elastic insertion rods, and the hook parts of the elastic insertion rods hook the slots to realize the purpose of clamping.
(4) The shape of each group of two elastic insertion rods is in a hook shape, the elastic insertion rods are made of elastic materials, and the elastic insertion rods can be repeatedly pulled out and inserted into the slots due to the elasticity of the elastic insertion rods.
(5) The lateral wall fixedly connected with a plurality of embedding pieces of picture peg are kept away from to the backing plate, and the embedding piece is including the embedding post, and the fixed cover of lateral wall of embedding post is equipped with a plurality of cover pieces, is in order to increase backing plate and epoxy's contact friction.
(6) A plurality of air outlet pipes are fixedly connected in the filling box, and the upper end and the lower end of each air outlet pipe are communicated with the outside, so that air is distributed when epoxy resin is filled.
(7) The lower extreme fixedly connected with first blade of picture peg, the lower extreme fixedly connected with second blade of backing plate, first blade and second blade are all in order to increase the sharpness so that can be smooth and easy insert the crack.
(8) The side walls of the two inserting plates, which are far away from the base plate, are respectively carved with scale marks, and the height of the epoxy resin can be measured by observing the scale marks.
(9) The width of the sliding block is larger than that of the opening sliding groove, so that the sliding block is prevented from falling from the opening sliding groove.
Drawings
FIG. 1 is a schematic view of the epoxy resin of the present invention before filling;
FIG. 2 is a schematic view of the epoxy resin of the present invention after filling;
FIG. 3 is a schematic top view of the filling box of the present invention;
FIG. 4 is a schematic cross-sectional view of a slider according to the present invention;
FIG. 5 is a schematic view showing a connection state of an insert plate and a backing plate according to the present invention;
FIG. 6 is a schematic view showing a state where the insert plate and the shim plate are separated according to the present invention;
FIG. 7 is a schematic front view of an insertion block according to the present invention;
FIG. 8 is a flow chart of a method of the present invention.
The reference numbers in the figures illustrate:
the filling machine comprises a filling box 1, a filling opening 2, an internal sliding groove 3, a sliding block 4, an opening sliding groove 5, an inserting plate 6, a first cutting edge 601, a base plate 7, a second cutting edge 701, an elastic inserting rod 8, an inserting groove 9, a pressing bolt 10, an embedding block 11, an embedding column 1101, a set of sheets 1102 and an air outlet pipe 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-8, a method for detecting the depth of a crack on a road ground plane, referring to fig. 8, includes the following steps:
s1, cleaning cracks of the depth to be detected to clean out garbage and broken stones in the cracks, and then blending epoxy resin;
s2, selecting one section of the crack to be detected, nailing the detection device into the selected section of crack, and attaching the lower surface of the detection device to the road base surface to ensure that the detection device does not shake any more and then pouring the prepared epoxy resin into the detection device;
and S3, after the epoxy resin is cured, pulling out the detection device from the crack, then cutting the epoxy resin along the lower surface of the detection device, and obtaining the depth of the crack and the shape of the crack from the shape of the epoxy resin.
Referring to fig. 1-4, the detecting device in the step S2 includes a filling box 1, an inlet is disposed on the upper side wall of the filling box 1, a plurality of air outlet pipes 12 are fixedly connected in the filling box 1, and the upper and lower ends of the air outlet pipes 12 are both communicated with the outside, so as to allow air to be emitted when epoxy resin is filled, a filling opening 2 is disposed on the lower side wall of the filling box 1, inner chutes 3 are disposed on the inner walls of both sides of the filling box 1, sliders 4 are slidably connected in the inner chutes 3, open chutes 5 are disposed on the inner walls of both sides of the filling box 1, which are located on the inner chutes 3, and the width of the slider 4 is greater than the width of the open chute 5, so as to prevent the slider 4 from falling from the open chute 5, insert plates 6 are inserted in both of the two sliders 4, scale marks are engraved on the side walls of the two insert plates 6, which are far away, the lower end of the inserting plate 6 is fixedly connected with a first cutting edge 601, the lower end of the backing plate 7 is fixedly connected with a second cutting edge 701, the first cutting edge 601 and the second cutting edge 701 are both used for increasing the sharpness so as to be smoothly inserted into the crack, and the inserting plate 6 penetrates through the opening sliding groove 5;
referring to fig. 5-7, the sidewalls of the lower ends of two insertion plates 6 are respectively fastened with a backing plate 7, the sidewalls of the backing plate 7 far from the insertion plates 6 are fixedly connected with a plurality of embedded blocks 11, each embedded block 11 includes an embedded column 1101, the sidewalls of the embedded columns 1101 are fixedly sleeved with a plurality of sleeve sheets 1102 so as to increase the contact friction force between the backing plate 7 and the epoxy resin, the sidewalls of the backing plate 7 are fixedly connected with a plurality of groups of elastic insertion rods 8, each group of two elastic insertion rods 8 is in a hook shape, the elastic insertion rods 8 are made of elastic materials, the elasticity of the elastic insertion rods 8 enables the insertion rods to be repeatedly inserted into and pulled out of the insertion slots 9, the sidewalls of the insertion plates 6 are provided with insertion slots 9 matched with the elastic insertion rods 8, the hook portions of the elastic insertion rods 8 hook the insertion slots 9 to achieve the purpose of fastening, the sidewalls of the sliders 4 are threadedly connected with compression bolts 10, and the sidewalls of, the crack is poured and shaped by using the epoxy resin, so that the depth and the shape of the crack can be visually and comprehensively known.
The use method of the detection device in the step S2 includes the steps of:
n1, before use, inserting the inserting plates 6 into the sliding blocks 4 through the open sliding grooves 5, then clamping the backing plates 7 on the inserting plates 6, adjusting the positions of the two inserting plates 6 in a sliding manner according to the shape of the crack, and then nailing the inserting plates 6 into the crack;
n2, after the inserting plate 6 is ensured not to shake, the inserting plate 6 is pressed on the sliding block 4 by the pressing bolt 10, then epoxy resin is injected into the pouring box 1, and the inserting plates 6 on two sides and the side walls of the crack enclose the epoxy resin;
n3, after the epoxy resin is cured, the inserting plate 6 is pulled out from the crack, the pressing bolt 10 is firstly screwed out to pull out the inserting plate 6, and finally the epoxy resin is cut along the lower surface of the pouring box 1.
This scheme utilizes epoxy to fill the moulding to the crack, can be directly perceived, the fissured degree of depth of comprehensive understanding and shape, one of them section through two picture peg intercepting cracks, two walls in cooperation fissured are moulding to epoxy, the equal slidable adjustment in position of two picture pegs, in order to adapt to crooked irregular crack, the picture peg is also adjusted from top to bottom, in order to adapt to fissured degree of depth trend, cushion through the backing plate between picture peg and the epoxy, make things convenient for breaking away from of epoxy and picture peg, compared with the prior art, this scheme can more audio-visual cracked degree of depth and shape of understanding, effectively improve researcher's deep research, and the device can carry out nimble regulation according to fissured characteristics, high adaptability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A method for detecting the depth of a crack on a road ground plane is characterized by comprising the following steps: the method comprises the following steps:
s1, cleaning cracks of the depth to be detected to clean out garbage and broken stones in the cracks, and then blending epoxy resin;
s2, selecting one section of the crack to be detected, nailing the detection device into the selected section of crack, and attaching the lower surface of the detection device to the road base surface to ensure that the detection device does not shake any more and then pouring the prepared epoxy resin into the detection device;
and S3, after the epoxy resin is cured, pulling out the detection device from the crack, then cutting the epoxy resin along the lower surface of the detection device, and obtaining the depth of the crack and the shape of the crack from the shape of the epoxy resin.
2. The method for detecting the depth of the crack on the road ground surface according to claim 1, wherein the method comprises the following steps: the detection device in the step S2 comprises a filling box (1), wherein the side wall of the upper end of the filling box (1) is provided with an injection port, a filling opening (2) is arranged on the side wall of the lower end of the filling box (1), inner sliding grooves (3) are arranged on the inner walls of the two sides of the filling box (1), and the inner chute (3) is connected with a slide block (4) in a sliding way, the inner walls of the filling box (1) positioned at the upper side and the lower side of the inner chute (3) are respectively provided with an opening chute (5) communicated with the inner chute, the two slide blocks (4) are respectively inserted with a plug board (6), the inserting plates (6) penetrate through the opening sliding grooves (5), the side walls of the lower ends of the two inserting plates (6) are respectively clamped with a backing plate (7), the side wall of the sliding block (4) is in threaded connection with a pressing bolt (10), and the side wall of the inner sliding groove (3) is provided with a strip-shaped open slot matched with the compression bolt (10).
3. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: the lateral wall fixedly connected with multiunit elasticity inserted bar (8) of backing plate (7), and slot (9) that match with elasticity inserted bar (8) are seted up to the lateral wall of picture peg (6).
4. The method for detecting the depth of the crack on the road ground plane according to claim 3, wherein the method comprises the following steps: each group of two elastic insertion rods (8) is in a hook shape, and the elastic insertion rods (8) are made of elastic materials.
5. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: the lateral wall fixedly connected with of picture peg (6) is kept away from to backing plate (7) a plurality of embedded pieces (11), embedded piece (11) are including embedding post (1101), the fixed cover of lateral wall of embedding post (1101) is equipped with a plurality of sheets (1102).
6. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: a plurality of air outlet pipes (12) are fixedly connected in the filling box (1), and the upper end and the lower end of each air outlet pipe (12) are communicated with the outside.
7. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: the lower end of the inserting plate (6) is fixedly connected with a first cutting edge (601), and the lower end of the backing plate (7) is fixedly connected with a second cutting edge (701).
8. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: and scale marks are marked on the side walls, far away from the base plate (7), of the two inserting plates (6).
9. The method for detecting the depth of the crack on the road ground plane according to claim 2, wherein the method comprises the following steps: the width of the sliding block (4) is larger than that of the opening sliding groove (5).
10. The method for detecting the depth of the crack on the road ground surface according to claim 1, wherein the method comprises the following steps: the using method of the detection device in the step S2 includes the following steps:
n1, before use, inserting the inserting plates (6) into the sliding blocks (4) through the open sliding grooves (5), then clamping the backing plates (7) on the inserting plates (6), adjusting the positions of the two inserting plates (6) in a sliding manner according to the shape of the crack, and then nailing the inserting plates (6) into the crack;
n2, after the flashboard (6) is ensured not to shake, the flashboard (6) is pressed on the sliding block (4) by a pressing bolt (10), then epoxy resin is injected into the pouring box (1), and the flashboards (6) on two sides and the side wall of the crack enclose the epoxy resin;
n3, after the epoxy resin is cured, the inserting plate (6) is pulled out from the crack, the pressing bolt (10) is firstly screwed out to pull out the inserting plate (6), and finally the epoxy resin is cut along the lower surface of the filling box (1).
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| JPH0436601A (en) * | 1990-06-01 | 1992-02-06 | Tamagawa Seiki Co Ltd | V-shape groove measuring method |
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| CN102854302A (en) * | 2012-08-24 | 2013-01-02 | 河海大学 | Testing device and method for real-time measurement of cracking time and crack width of concrete at early age |
| CN207248072U (en) * | 2017-08-30 | 2018-04-17 | 河南省公路工程试验检测中心有限公司 | Base joint grouting glue pours into Depth Meter |
| CN208443319U (en) * | 2018-06-15 | 2019-01-29 | 沈阳城市建设学院 | A kind of bridge detection pavement crack depth measurement device |
| CN209432025U (en) * | 2019-03-28 | 2019-09-24 | 王石 | A kind of water conservancy project ring geology crack measuring device |
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2021
- 2021-02-01 CN CN202110135188.0A patent/CN113074685B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436601A (en) * | 1990-06-01 | 1992-02-06 | Tamagawa Seiki Co Ltd | V-shape groove measuring method |
| KR20080039221A (en) * | 2006-10-31 | 2008-05-07 | 한국지질자원연구원 | Apparatus for measuring in-situ stress of rock using thermal crack |
| CN101968348A (en) * | 2010-09-07 | 2011-02-09 | 中国石油大学(北京) | Method for visually monitoring fracture crack |
| CN102854302A (en) * | 2012-08-24 | 2013-01-02 | 河海大学 | Testing device and method for real-time measurement of cracking time and crack width of concrete at early age |
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| CN208443319U (en) * | 2018-06-15 | 2019-01-29 | 沈阳城市建设学院 | A kind of bridge detection pavement crack depth measurement device |
| CN209432025U (en) * | 2019-03-28 | 2019-09-24 | 王石 | A kind of water conservancy project ring geology crack measuring device |
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| CN113074685B (en) | 2022-12-09 |
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