CN113818422B - Accurate positioning core-pulling sampling process by using working rule method - Google Patents
Accurate positioning core-pulling sampling process by using working rule method Download PDFInfo
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- CN113818422B CN113818422B CN202111103692.9A CN202111103692A CN113818422B CN 113818422 B CN113818422 B CN 113818422B CN 202111103692 A CN202111103692 A CN 202111103692A CN 113818422 B CN113818422 B CN 113818422B
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- pipeline
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- 238000005070 sampling Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 239000002689 soil Substances 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002023 wood Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
Abstract
The invention discloses a precise positioning core-pulling sampling process by a working rule method, which comprises the following steps of: a. manufacturing a drilling positioning detection ruler: the drilling positioning detection ruler comprises a clamping plate, wherein the lower surface of the clamping plate is provided with a positioning clamping groove, the upper surface of the clamping plate is provided with a horizontal ruler, and one end part of the clamping plate is provided with a plumb line; b. partially excavating a shallow soil layer above the pipeline to be detected, so that the upper part of the pipeline to be detected is exposed out of the soil layer; c. a drilling positioning detection ruler is clamped and installed, a positioning clamping groove is aligned to the upper part of a pipeline to be detected, a horizontal ruler is calibrated, a clamping plate is enabled to keep a horizontal position, and then a core pulling center point is determined through a plumb line; d. vertically driving a positioning steel bar into a soil layer at a core pulling center point; e. sleeving a positioning steel sleeve on the periphery of the positioning steel bar; f. soil layer sampling is performed by a sampling drill. The invention can accurately and rapidly position the relative position of the core-pulling sampling point and the detection pipeline, and has the advantages of accurate and rapid core-pulling sampling operation, low operation cost, good environmental protection effect and strong applicability.
Description
Technical Field
The invention relates to the technical field of soil layer core pulling sampling, in particular to a precise positioning core pulling sampling process by a working rule method.
Background
In the process of underground pipe network construction, core pulling sampling detection is needed for a filling layer below an underground pipeline in order to check the construction quality of engineering, know whether backfill of each layer meets design requirements, know whether pavement restoration is constructed according to a design drawing and determine the quality and thickness of each layer of material.
In the prior art, the existing core-pulling sampling operation generally adopts large-area and large-depth excavation, the sampling core-pulling position can be determined only after most of underground pipelines expose soil layers, and the determination of the sampling core-pulling position is often determined by experience of operators. For the existing core-pulling sampling operation mode, the defects of low precision and high construction operation cost exist, a large amount of construction waste can be generated, and a large area of broken road surface can be caused.
Disclosure of Invention
The invention aims to provide the accurate positioning core-pulling sampling process by the working rule method, which aims at overcoming the defects of the prior art, and can accurately and rapidly position the relative position of the core-pulling sampling point and the detection pipeline, and the core-pulling sampling operation is accurate and rapid, the operation cost is low, the environmental protection effect is good, and the applicability is strong.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
The accurate positioning core-pulling sampling process by the work rule method comprises the following steps of:
a. manufacturing a drilling positioning detection ruler: the drilling positioning detection ruler comprises a clamping plate in a strip shape, wherein the lower surface of the clamping plate is provided with a positioning clamping groove in an arc shape, and the diameter value of the positioning clamping groove is equal to the outer diameter value of a pipeline to be detected; the upper surface of the clamping plate is provided with a level bar, and one end part of the clamping plate is provided with a plumb line;
b. partially excavating a shallow soil layer above the pipeline to be detected, so that the upper part of the pipeline to be detected is exposed out of the soil layer;
c. the drilling positioning detection ruler is clamped and installed, the positioning clamping groove of the clamping plate is aligned to the upper part of the pipeline to be detected, so that the upper part of the pipeline to be detected is aligned to and inserted into the positioning clamping groove of the clamping plate, and then the horizontal ruler is calibrated, so that the clamping plate is kept at a horizontal position; after the clamping plate is adjusted to the horizontal position, adjusting the plumb line, and leading the lower end of the plumb line to the soil layer surface, wherein the point positioned at the lower end of the plumb line is the core pulling center point;
d. after the core pulling center point is determined, vertically driving positioning steel bars into the soil layer at the core pulling center point;
e. sleeving a positioning steel sleeve on the periphery of the positioning steel bar, wherein the outer diameter of the positioning steel sleeve is matched with the inner diameter of a sampling drill bit of the sampling drilling machine, and the positioning steel sleeve and the positioning steel bar are ensured to be coaxially arranged;
f. erecting a sampling drilling machine, correcting the shaft verticality, positioning a sampling drill bit of the sampling drilling machine through a positioning steel sleeve, and then starting the sampling drilling machine to sample soil layers.
Wherein, splint are the wood square structure.
The beneficial effects of the invention are as follows: the invention relates to a precise positioning core-pulling sampling process by an industrial scale method, which comprises the following steps of: a. manufacturing a drilling positioning detection ruler: the drilling positioning detection ruler comprises a clamping plate in a strip shape, wherein the lower surface of the clamping plate is provided with a positioning clamping groove in an arc shape, and the diameter value of the positioning clamping groove is equal to the outer diameter value of a pipeline to be detected; the upper surface of the clamping plate is provided with a level bar, and one end part of the clamping plate is provided with a plumb line; b. partially excavating a shallow soil layer above the pipeline to be detected, so that the upper part of the pipeline to be detected is exposed out of the soil layer; c. the drilling positioning detection ruler is clamped and installed, the positioning clamping groove of the clamping plate is aligned to the upper part of the pipeline to be detected, so that the upper part of the pipeline to be detected is aligned to and inserted into the positioning clamping groove of the clamping plate, and then the horizontal ruler is calibrated, so that the clamping plate is kept at a horizontal position; after the clamping plate is adjusted to the horizontal position, adjusting the plumb line, and leading the lower end of the plumb line to the soil layer surface, wherein the point positioned at the lower end of the plumb line is the core pulling center point; d. after the core pulling center point is determined, vertically driving positioning steel bars into the soil layer at the core pulling center point; e. sleeving a positioning steel sleeve on the periphery of the positioning steel bar, wherein the outer diameter of the positioning steel sleeve is matched with the inner diameter of a sampling drill bit of the sampling drilling machine, and the positioning steel sleeve and the positioning steel bar are ensured to be coaxially arranged; f. erecting a sampling drilling machine, correcting the shaft verticality, positioning a sampling drill bit of the sampling drilling machine through a positioning steel sleeve, and then starting the sampling drilling machine to sample soil layers. Through the design of the steps, the accurate positioning core-pulling sampling process for the working rule method can accurately and rapidly position the relative positions of the core-pulling sampling points and the detection pipeline, and has the advantages of being accurate and rapid in core-pulling sampling operation, low in operation cost, good in environmental protection effect and strong in applicability.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of a drilling positioning detection ruler of the invention.
Fig. 2 is a schematic installation view of the drill positioning detection ruler of the invention.
FIG. 3 is a schematic view of the present invention when determining the center point of the loose core.
Fig. 4 is a schematic view of the present invention when installing the spacer bar and the spacer sleeve.
Fig. 1 to 4 include:
1-drilling positioning detection ruler 11-clamping plate
111-positioning clamping groove 12-level bar
13-plumb line 2-pipe to be detected
3-positioning steel bar 4-positioning steel sleeve
5-sampling drill bit 6-filling layer.
Detailed Description
The invention will be described with reference to specific embodiments.
As shown in fig. 1 to 4, an industrial scale method accurate positioning core-pulling sampling process comprises the following steps:
a. manufacturing a drilling positioning detection ruler 1: the drilling positioning detection ruler 1 comprises a clamping plate 11 in a strip shape, wherein a positioning clamping groove 111 in an arc shape is formed in the lower surface of the clamping plate 11, and the diameter value of the positioning clamping groove 111 is equal to the outer diameter value of a pipeline 2 to be detected; the upper surface of the clamping plate 11 is provided with a level bar 12, and one end part of the clamping plate 11 is provided with a plumb line 13;
b. partially excavating a shallow soil layer above the pipeline 2 to be detected, so that the upper part of the pipeline 2 to be detected is exposed out of the soil layer; the height of the exposed soil layer at the upper end part of the detection pipeline is determined by the height suitable for clamping circles by the drilling positioning detection ruler 1;
c. the drilling positioning detection ruler 1 is clamped and installed, the positioning clamping groove 111 of the clamping plate 11 is aligned with the upper part of the pipeline 2 to be detected, so that the upper part of the pipeline 2 to be detected is aligned with and inserted into the positioning clamping groove 111 of the clamping plate 11, and then the horizontal ruler 12 is calibrated, and the clamping plate 11 is kept in a horizontal position; after the clamping plate 11 is adjusted to the horizontal position, adjusting the plumb line 13 and leading the lower end of the plumb line 13 to the soil layer surface, wherein the point positioned at the lower end of the plumb line 13 is the core pulling center point;
d. after the core pulling center point is determined, vertically driving the positioning steel bar 3 into the soil layer at the core pulling center point;
e. sleeving a positioning steel sleeve 4 on the periphery of the positioning steel bar 3, wherein the outer diameter of the positioning steel sleeve 4 is matched with the inner diameter of a sampling drill bit 5 of the sampling drilling machine, and the positioning steel sleeve 4 and the positioning steel bar 3 are ensured to be coaxially arranged;
f. the sampling drill is erected and the shaft verticality is corrected, the sampling drill bit 5 of the sampling drill is positioned through the positioning steel sleeve 4, and then the sampling drill is started and soil layer sampling is carried out.
It should be explained that the clamping plate 11 of the present invention has a square structure; of course, the above-described wood structure does not limit the present invention, i.e., the clamping plate 11 of the present invention may be manufactured using other materials, such as aluminum plate, etc.
For the accurate positioning core-pulling sampling process of the working rule method, the accurate positioning core-pulling sampling process has the following advantages in the process of performing core-pulling sampling operation on a soil layer:
1. the accuracy is high: the invention can very accurately position the relative position of the core-pulling sampling point and the detection pipeline, the core-pulling sampling point can be accurately fixed to a vertical tangent line close to the outer wall of the pipeline, and the core-pulling sampling result is accurate;
2. the cost is lower: compared with the existing integral excavation method, the method can effectively avoid excavation with large area and large depth, accurately positions and samples the lower part of the pipe, and has lower integral cost;
3. green and environment-friendly: compared with the existing core pulling sampling operation excavation method, the method has the advantages that the damage to the original pavement is small, the influence is small, the generation of construction waste can be reduced, and the method is more environment-friendly;
4. the process is flexible and high in applicability: the invention has the advantages of visual and convenient flow, low requirement on excavation, and quicker and more accurate positioning of sampling positions; the drilling positioning detection ruler 1 is quick to manufacture, the same set of working ruler equipment can be adopted according to the pipe diameter of the detection pipeline, and corresponding working ruler adjustment can be easily manufactured even if the pipe diameters are different;
5. economic saving: the drilling positioning detection ruler 1 can be recycled for multiple times, and is economical.
In summary, in the process of carrying out core-pulling sampling operation on a soil layer by using the invention, the core-pulling sampling position can be accurately positioned by carrying out small-range excavation on the top surface of a detection pipeline through the prefabricated drilling positioning detection ruler 1, so as to achieve the purposes of checking the construction quality of engineering, knowing whether the filling layer 6 accords with the design requirement, knowing whether pavement recovery is carried out according to the design drawing, and determining the quality and thickness of each layer of material. It should be noted that the accurate positioning core-pulling sampling process by the working rule method is very suitable for detection of various underground pipe networks, has simple flow and lower overall cost than the conventional excavation detection method.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (2)
1. The accurate positioning core-pulling sampling process by the work rule method is characterized by comprising the following steps of:
a. manufacturing a drilling positioning detection ruler (1): the drilling positioning detection ruler (1) comprises a strip-shaped clamping plate (11), wherein a circular arc-shaped positioning clamping groove (111) is formed in the lower surface of the clamping plate (11), and the diameter value of the positioning clamping groove (111) is equal to the outer diameter value of a pipeline (2) to be detected; the upper surface of the clamping plate (11) is provided with a level bar (12), and one end part of the clamping plate (11) is provided with a plumb line (13);
b. partially excavating a shallow soil layer above the pipeline (2) to be detected, so that the upper part of the pipeline (2) to be detected is exposed out of the soil layer;
c. the drilling positioning detection ruler (1) is clamped and installed, the positioning clamping groove (111) of the clamping plate (11) is aligned to the upper part of the pipeline (2) to be detected, so that the upper part of the pipeline (2) to be detected is aligned to and inserted into the positioning clamping groove (111) of the clamping plate (11), and then the horizontal ruler (12) is calibrated, so that the clamping plate (11) is kept at a horizontal position; after the clamping plate (11) is adjusted to the horizontal position, adjusting the plumb line (13) and leading the lower end of the plumb line (13) to the soil layer surface, wherein the point positioned at the lower end of the plumb line (13) is the core pulling center point;
d. after the core pulling center point is determined, vertically driving a positioning steel bar (3) into the soil layer at the core pulling center point;
e. sleeving a positioning steel sleeve (4) on the periphery of the positioning steel bar (3), wherein the outer diameter of the positioning steel sleeve (4) is matched with the inner diameter of a sampling drill bit (5) of the sampling drilling machine, and the positioning steel sleeve (4) and the positioning steel bar (3) are coaxially arranged;
f. setting up a sampling drilling machine, correcting the shaft verticality, positioning a sampling drill bit (5) of the sampling drilling machine through a positioning steel sleeve (4), and then starting the sampling drilling machine to sample soil layers.
2. The process for accurately positioning and core-pulling sampling by using an industrial scale method according to claim 1, which is characterized in that: the clamping plate (11) is of a wood square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103692.9A CN113818422B (en) | 2021-09-22 | 2021-09-22 | Accurate positioning core-pulling sampling process by using working rule method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103692.9A CN113818422B (en) | 2021-09-22 | 2021-09-22 | Accurate positioning core-pulling sampling process by using working rule method |
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| Publication Number | Publication Date |
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| CN113818422A CN113818422A (en) | 2021-12-21 |
| CN113818422B true CN113818422B (en) | 2023-04-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013256839A (en) * | 2012-06-14 | 2013-12-26 | Nippon Hume Corp | Filler sampling device in excavation hole |
| CN210221556U (en) * | 2019-07-08 | 2020-03-31 | 广东全科工程检测有限公司 | Soil sampler for back backfill soil core pulling detection |
| CN110984112A (en) * | 2019-12-25 | 2020-04-10 | 绍兴文理学院 | Underwater geotechnical foundation exploration sampling equipment suitable for geotechnical engineering |
| CN112012114A (en) * | 2020-08-20 | 2020-12-01 | 河北工业大学 | Construction method of double-row glass fiber reinforced plastic sand inclusion pipe culvert |
| CN213933194U (en) * | 2020-12-09 | 2021-08-10 | 甘肃建科技术试验检测有限责任公司 | Sampling device for measuring compaction coefficient of compaction pile |
-
2021
- 2021-09-22 CN CN202111103692.9A patent/CN113818422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013256839A (en) * | 2012-06-14 | 2013-12-26 | Nippon Hume Corp | Filler sampling device in excavation hole |
| CN210221556U (en) * | 2019-07-08 | 2020-03-31 | 广东全科工程检测有限公司 | Soil sampler for back backfill soil core pulling detection |
| CN110984112A (en) * | 2019-12-25 | 2020-04-10 | 绍兴文理学院 | Underwater geotechnical foundation exploration sampling equipment suitable for geotechnical engineering |
| CN112012114A (en) * | 2020-08-20 | 2020-12-01 | 河北工业大学 | Construction method of double-row glass fiber reinforced plastic sand inclusion pipe culvert |
| CN213933194U (en) * | 2020-12-09 | 2021-08-10 | 甘肃建科技术试验检测有限责任公司 | Sampling device for measuring compaction coefficient of compaction pile |
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| CN113818422A (en) | 2021-12-21 |
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Effective date of registration: 20231024 Address after: No. 20 Longshi Road, Dongcheng Street, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Duheng Engineering Testing Co.,Ltd. Address before: 523000 Room 302, building 13, No. 6, wushigang Industrial Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee before: Guangdong ruigu Construction Technology Co.,Ltd. |
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