CN118376446A - Highway coring quality detection method - Google Patents
Highway coring quality detection method Download PDFInfo
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- CN118376446A CN118376446A CN202410823871.7A CN202410823871A CN118376446A CN 118376446 A CN118376446 A CN 118376446A CN 202410823871 A CN202410823871 A CN 202410823871A CN 118376446 A CN118376446 A CN 118376446A
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 238000011946 reduction process Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 8
- 238000004080 punching Methods 0.000 abstract description 13
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000005553 drilling Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to the technical field of detection devices, in particular to a highway coring quality detection method, which comprises the steps of firstly determining a section to be cored according to requirements, obtaining a rough area for first punching in the section of the area, accurately marking the first punching position, carrying out first coring at a marking point, recording part of marks of the punching position on the end face of a sample core, and facilitating the later positioning of metal in the sample core; further, detect the appearance core, judge whether inside the appearance core exists the metal, if inside the appearance core exists the metal, then acquire the inside metal position of appearance core, according to the inside position of metal at appearance core and the mark of record on appearance core terminal surface contrast, and contrast with subaerial partial mark, predict the position of punching next time, improve the probability that the core was got successfully of punching.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a highway coring quality detection method.
Background
According to the relevant specifications in the technical field of building engineering detection in China, the core drilling method detection technology is widely applied to the quality detection field of buildings such as piles, walls, roadbeds and the like by virtue of the characteristics of science, intuitiveness, practicability and the like. The pile length, the pile body concrete strength, the pile bottom sediment thickness and the pile body integrity can be obtained through the core drilling method detection, and the building quality condition can be judged.
Traditional core drilling method detection comprises the steps of drilling and sampling by a drilling machine, and processing the sample core to obtain a standard sample core, so that the detection accuracy is ensured. But building highway, the in-process of wall body, generally can ligature the steel bar frame earlier, secondly set up mould in the outside of metal frame, pour concrete etc. to the mould in last, this kind of mode can strengthen highway or the intensity of wall body, but the metal also can influence the intensity of appearance core in the testing process for the appearance core detection data who obtains is inaccurate, nevertheless does not know the position that the metal is located in actual sampling process, leads to coring success rate low, thereby has increased the cost of detection.
Disclosure of Invention
The invention provides a highway coring quality detection method, which aims to solve the problem of low success rate of coring in the existing highway coring quality detection method.
The invention relates to a highway coring quality detection method which adopts the following technical scheme:
A highway coring quality detection method, comprising the steps of:
s100: obtaining a rough area of a position to be cored, and marking;
s200: performing a first coring at the marked point;
s300: if the metal exists in the sample core, acquiring a specific position of the metal in the sample core;
s400: predicting the position of the next sampling according to the specific position of the metal in the sample core;
S410: cutting off the sample core metal area;
S420: acquiring the distribution state of metal in a sample core;
s430: and comparing the distribution state of the metal in the sample core with the mark point before coring, and predicting the next coring position.
Further, the method further comprises the following steps:
S500: if no metal exists in the sample core, acquiring various size data of the sample core;
S600: and (5) carrying out refining treatment on the sample core without metal inside to obtain a standard component.
Further, in step S300, further includes:
s310: and if the metal in the sample core does not influence the interception standard component, carrying out refinement treatment on the sample core until the standard component is obtained.
Further, the sample core refinement processing in step S600 and step S310 includes:
s610: marking a plurality of standard lengths on the sample core;
S620: if the sample core in the standard lengths has one or more core segments conforming to the standard diameters, the sample core is subjected to material reduction.
Further, after step S610, it includes:
s611: diameter data D of a plurality of points in a sample core with each standard length are obtained;
S612: calculating the difference delta D between the diameter data D of a plurality of points in the sample core of each standard length and the standard diameter;
s613: obtaining the maximum value |delta D|max of the absolute value of each delta D, and selecting one minimum value { |delta D|max } min of a plurality of |delta D|max;
s614: if { |ΔD|max } min is less than 2mm, then there are one or more core segments in the sample core that meet the standard diameter.
Further, after step S610, the method further includes:
S615: if the { |DeltaD|max } min is larger than or equal to 2mm, acquiring a positive state and a negative state before the absolute value of the |DeltaD|max } min;
s616: if ΔD is a positive number, the sample core has one or more core segments that meet the standard diameter.
Further, the material reduction process in step S620 includes:
S621: and cutting off the sample core, and polishing the sample core.
Further, in step S420, it includes:
s421: and acquiring the distribution state of the metal in the sample core through an imager.
Further, in step S300, it includes:
S320: and acquiring the specific position of the metal in the sample core through a metal detector.
The beneficial effects of the invention are as follows: according to the road coring quality detection method, firstly, a section to be cored is determined according to requirements, a rough area for first punching is obtained in the section of the area, accurate marking is carried out at a first punching position, first coring is carried out at a marking point, and partial marks at the punching position are recorded on the end face of a sample core, so that the metal in the sample core can be positioned at the later stage; further, detect the appearance core, judge whether inside the appearance core exists the metal, if inside the appearance core exists the metal, then acquire the inside metal position of appearance core, according to the inside position of metal at appearance core and the mark of record on appearance core terminal surface contrast, and contrast with subaerial partial mark, predict the position of punching next time, improve the probability that the core was got successfully of punching.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flow chart of a highway coring quality detection method provided by an embodiment of the present invention;
FIG. 2 is a partial flow chart of a method for detecting highway coring quality, which is provided by an embodiment of the present invention, wherein the method performs refinement treatment on a sample core;
FIG. 3 is a state diagram of a situation that metal is distributed in a sample core in a highway coring quality detection method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of predicting a next punching point in a first state of metal distribution inside a sample core in the highway coring quality detection method according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of predicting a next punching point in a second state of metal distribution inside a sample core in a highway coring quality detection method according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of predicting a next punching point in a third state of metal distribution inside a sample core in the method for detecting highway coring quality according to an embodiment of the present invention.
In the figure: 110: an imager.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 6, a highway coring quality detection method provided in a first embodiment of the present invention includes the following steps:
S100: an approximate region of the location to be cored is acquired and marked. Firstly, a rough coring position is obtained in a region to be detected, conventionally, the metal detector is used for detecting on a pavement, the metal detector can only detect metal on an underground surface layer, marking is carried out after a rough sampling region is obtained through the metal detector, the mark is circular, and a mark of a cross coordinate system and azimuth information are drawn in the circular.
S200: the first coring is performed at the marked point. Coring is performed by using a conventional coring mechanism, the diameter of a sample core taken out by the coring mechanism is greater than 100mm, the radius of a circle marked on the ground is greater than that of the sample core, after the coring is finished, the end of the sample core is reserved with marks of a part of a cross coordinate system, and the end of the sample core is reserved with information of various directions.
S300: if the metal exists in the sample core, the specific position of the metal in the sample core is obtained. And detecting the sample core taken down by the coring machine again, judging whether metal exists in the sample core, and if the metal exists in the sample core, determining the specific position of the metal in the sample core.
S320: and acquiring the specific position of the metal in the sample core through a metal detector. Through using metal detector to scan the appearance core, if the inside metal that exists of appearance core, then metal detector can send out the alarm, marks at the alarm position, cuts the processing at mark position to appearance core afterwards for the cross-section of metal can show, and the distribution form of clear metal in appearance core inside.
S400: the position of the next sample is predicted according to the specific position of the metal in the sample core.
S410: cutting is carried out on the sample core metal area. After the sample core is obtained, the sample core is positioned, and a self-centering chuck is generally used for positioning the sample core, so that subsequent operations on the sample core are facilitated. After the sample core containing the metal is cut off, the metal is displayed on the end face of the sample core, and when the self-centering chuck is used for clamping the sample core, one end clamped by the self-centering chuck is one end of the sample core with a mark, so that the marks and the metal are respectively arranged at two end parts of the sample core.
S420: and obtaining the distribution state of the metal in the sample core. Binding a steel bar framework when constructing a highway, and pouring, wherein the situation that metal is distributed in a sample core can be divided into two types, wherein one type is that the steel bar framework is provided with a junction in the sample core, wherein the junction is a point where at least two steel bars in the steel bar framework are intersected, as shown in a state shown in fig. 4 and 5, wherein a P1 point in fig. 4 and a P2 point in fig. 5 are both intersection points of the steel bar framework; another type is a state in which the rebar framework has no junction inside the sample core, as shown in fig. 6, in which the rebar framework has no junction inside the sample core.
S421: the distribution of the metal in the sample core is obtained by the imager 110. The end face of the sample core is analyzed through the imagers 110 when the distribution state of the metal in the sample core is analyzed, wherein the imagers 110 are arranged at two ends of the sample core, the two imagers 110 are respectively arranged at two ends of the sample core, one imager 110 analyzes the distribution situation of the metal in the sample core, and the other imager 110 analyzes the marking situation of the end part of the sample core.
S430: and comparing the distribution state of the metal in the sample core with the mark point before coring, and predicting the next coring position. Overlapping and observing imaging results of the two imagers 110, as shown in fig. 4, wherein O 2 to O 8 are all predicted points for next sampling; FIG. 5 shows the situation where O 11 to O 18 are all predicted points for the next sampling; FIG. 6 shows the situation where O 21 to O 22 are all predicted points for the next sampling; according to different distribution conditions of the metal in the sample core, the next coring position is further optimized and predicted, and the next coring position is optimized to be closest to the intersection point, then the next coring point in fig. 4 is O 2, the next coring points in fig. 5 are O 15、O16、O17 and O 18, and the next coring point in fig. 6 is O 21.
In this embodiment, the highway coring quality detection method further includes:
s500: and if no metal exists in the sample core, acquiring various size data of the sample core. After the sample core is drilled, the inside of the sample core is detected by using a metal detector, and if no metal exists in the inside of the sample core, the diameter of the sample core and the length of the sample core are detected, and each item of dimension data of the sample core comprises the length of the sample core and the diameter of the sample core.
S600: and (5) carrying out refining treatment on the sample core without metal inside to obtain a standard component. And taking the length and the diameter of the standard part as the standard, wherein the ratio of the length to the diameter of the standard part is 1:1 when the pressure experiment is carried out on the sample core, the length of the standard part is 100mm, the diameter of the standard part is 100mm, and processing the sample core which is taken down according to the size of the standard part until the sample core which is taken down reaches the standard of the standard part.
In this embodiment, step S300 further includes:
S310: and if the metal in the sample core does not influence the interception standard component, carrying out refinement treatment on the sample core until the standard component is obtained. When metal exists in the sample core, after detection by the metal detector, the metal is positioned at the end part of the sample core, the length of the sample core without metal is measured, if the length of the sample core without metal accords with the length of the sample core of the standard component, the end containing the metal in the sample core is cut off, and then the cut sample core is continuously processed until the drilled sample core reaches the standard of the standard component.
In the present embodiment, the sample core refinement processing in step S600 and step S310 includes:
S610: a plurality of standard lengths are marked on the sample core. After the core is inspected for the absence of metal, the core is length-measured, a plurality of standard lengths are measured on a core, each standard length can have partially overlapping segments, and the core of each standard length is marked.
S611: diameter data D of a plurality of points in each standard-length sample core are obtained. After a number of standard lengths are marked in one of the cores, a number of diameter data, defined as D, are detected on the core within each standard length.
S612: and calculating the difference delta D between the diameter data D of a plurality of points in each standard length sample core and the standard diameter. And obtaining a plurality of diameter data D from any section of standard length sample core, calculating the difference value between each diameter data D in any section of standard length sample core and the standard diameter, and defining the difference value as delta D, wherein the delta D has a plurality of values.
S613: the maximum value |Δd|max of the absolute value of Δd within each standard length is obtained, and one minimum value { |Δd|max } min of the plurality of |Δd|max is selected. The sample cores with the standard lengths are provided with a plurality of delta D, the absolute value |delta D| of each delta D is calculated, the maximum value of the |delta D| is selected from the sample cores with the standard lengths and is named as |delta D|max, the sample cores with the standard lengths are provided with a plurality of |delta D|max, and the sample cores with the standard lengths are selected from the plurality of |delta D|max and are named as { |delta D|max } min.
S614: if { |ΔD|max } min is less than 2mm, then there are one or more core segments in the sample core that meet the standard diameter. And judging whether the calculated { |DeltaD|max } min is smaller than 2mm or not because the error range of the diameter of the international detection standard is within 2mm, and if the { |DeltaD|max } min in the sample core with one standard length is smaller than 2mm, proving that the sample core with at least one standard section in the extracted sample core meets the detection standard.
S615: if the { |DeltaD|max } min is larger than or equal to 2mm, the positive and negative states before the absolute value of the |DeltaD|max } min are obtained. If the { |DeltaD|max } min is larger than or equal to 2mm, the error is proved to be larger than the international detection standard, and the sample core is proved to be not in accordance with the detection standard. At this time, the positive and negative states before the absolute value of |Δd| is taken in { |Δd|max } min are acquired.
S616: if ΔD is a positive number, the sample core has one or more core segments that meet the standard diameter. Wherein Δd refers to the difference between the actual diameter of the sample core and the standard diameter, and if Δd is a positive number, it is proved that the diameter of the sample core is coarse, and the coarse diameter can be processed to the standard diameter. If DeltaD is negative, the sample core is directly discarded, and core drilling sampling is performed again for detection.
S620: if the sample core in the standard lengths has one or more core segments conforming to the standard diameters, the sample core is subjected to material reduction. If the sample cores in the standard lengths are provided with one or more core sections conforming to the standard diameter, the core sections conforming to the standard diameter are processed, the processed core sections conform to the standard, and the detection accuracy is improved.
In this embodiment, the material reduction process in step S620 includes:
S621: and cutting off the sample core, and polishing the sample core. The sample core is cut off usually by means of turning equipment, and polishing usually by means of grinding equipment, so that the accuracy of detecting the sample core is ensured, and the accuracy of detecting is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The highway coring quality detection method is characterized by comprising the following steps of:
s100: obtaining a rough area of a position to be cored, and marking;
s200: performing a first coring at the marked point;
s300: if the metal exists in the sample core, acquiring a specific position of the metal in the sample core;
s400: predicting the position of the next sampling according to the specific position of the metal in the sample core;
S410: cutting off the sample core metal area;
S420: acquiring the distribution state of metal in a sample core;
s430: and comparing the distribution state of the metal in the sample core with the mark point before coring, and predicting the next coring position.
2. A highway coring quality inspection method according to claim 1, further comprising:
S500: if no metal exists in the sample core, acquiring various size data of the sample core;
S600: and (5) carrying out refining treatment on the sample core without metal inside to obtain a standard component.
3.A highway coring quality inspection method according to claim 2, wherein: the step S300 further includes:
s310: and if the metal in the sample core does not influence the interception standard component, carrying out refinement treatment on the sample core until the standard component is obtained.
4. A highway coring quality inspection method according to claim 3, wherein the sample core refinement processing in step S600 and step S310 comprises:
s610: marking a plurality of standard lengths on the sample core;
S620: if the sample core in the standard lengths has one or more core segments conforming to the standard diameters, the sample core is subjected to material reduction.
5. A highway coring quality inspection method according to claim 4, wherein: after step S610, it includes:
s611: diameter data D of a plurality of points in a sample core with each standard length are obtained;
S612: calculating the difference delta D between the diameter data D of a plurality of points in the sample core of each standard length and the standard diameter;
S613: obtaining the maximum value |delta D|max of the absolute values of a plurality of points delta D in the sample core in each standard length, and selecting a minimum value { |delta D|max } min in the plurality of |delta D|max;
s614: if { |ΔD|max } min is less than 2mm, then there are one or more core segments in the sample core that meet the standard diameter.
6. A highway coring quality inspection method according to claim 5, wherein: after step S610, further includes:
S615: if the { |DeltaD|max } min is larger than or equal to 2mm, acquiring a positive state and a negative state before the absolute value of the |DeltaD|max } min;
s616: if ΔD is a positive number, the sample core has one or more core segments that meet the standard diameter.
7. A highway coring quality inspection method according to claim 4, wherein: the material reduction process in step S620 includes:
S621: and cutting off the sample core, and polishing the sample core.
8. A highway coring quality inspection method according to claim 1, wherein: the step S420 includes:
s421: and acquiring the distribution state of the metal in the sample core through an imager.
9. A highway coring quality inspection method according to claim 1, wherein: the step S300 includes:
S320: and acquiring the specific position of the metal in the sample core through a metal detector.
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