CN106643369A - Buried pipeline excavation verification buried depth measuring method and measuring ruler - Google Patents
Buried pipeline excavation verification buried depth measuring method and measuring ruler Download PDFInfo
- Publication number
- CN106643369A CN106643369A CN201610970444.7A CN201610970444A CN106643369A CN 106643369 A CN106643369 A CN 106643369A CN 201610970444 A CN201610970444 A CN 201610970444A CN 106643369 A CN106643369 A CN 106643369A
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- China
- Prior art keywords
- buried
- measuring
- buried depth
- excavation
- steel tape
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Classifications
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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
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
- G01B3/04—Rulers with scales or marks for direct reading rigid
- G01B3/08—Rulers with scales or marks for direct reading rigid extensible
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1056—Tape end arrangements, e.g. end-hooks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a buried pipeline excavation verification buried depth measuring method and a measuring ruler. According to the method, when an excavation ground position is known, obtained buried depth h of a buried pipeline is a vertical distance h0 between the ground position and a pipeline measuring point. When the excavation ground position is unknown, the method includes the following measuring steps that: step 1, a horizontal height position is selected above the ground; step 2, a vertical distance h between the horizontal height position and the pipeline measuring point is measured, wherein the horizontal height position is located above and corresponding to the pipeline measuring point; step 3, two side positions at two sides of the pipeline measuring point are selected, and vertical distances h1 and h2 between horizontal height positions corresponding to the two side positions and the ground are measured; step 4, horizontal distances x1 and x2 between the pipeline measuring point to the two side positions are measured; and step 5, the buried depth of the exposed buried pipeline after excavation is obtained. The buried depth measuring method can be used in combination with the measuring ruler, so that the buried depth of the buried pipeline can be accurately and quickly measured. The measuring method and the measuring ruler have the advantages of simple measurement process and convenient measurement operation.
Description
Technical field
The present invention relates to a kind of buried pipeline excavates inspection buried depth measuring method and the measuring scale for buried depth measurement.
Background technology
Buried pipeline is widely used in oil, natural gas long distance delivery, cities and towns cogeneration of heat and power district heating field.Outer corruption
Erosion direct detection is that current buried steel pipeline checks the method being most frequently with, including pipelining environmental survey, anti-corrosion (to protect
Temperature) layer status inspection without excavation, pipeline cathode protection validation checking, excavate the project such as Direct Test.Excavating Direct Test is
One of wherein important detection project, it may be verified that anti-corrosion (insulation) layer status inspection without excavation result, detection soil corrosivity, right
Pipe welding seam carries out Non-Destructive Testing etc..After pipe excavation, the buried depth of exploitation point measurement pipeline need to be passed through, it may be verified that survey by PCM
The buried depth result of amount, at the same with install information buried depth Data Comparison, judge whether pipeline has sedimentation and deformation etc..
At present, the measurement for ending rear buried depth is using steel tape or straight steel ruler observation and original ground level by survey crew
Determining buried depth, measurement process is complex, time-consuming, error is larger, cannot particularly determine original for numerical value on corresponding ruler
During ground location, measure error is bigger.And when the scope that buried depth is touched beyond survey crew, then can only be matched somebody with somebody by two people
Close, a people is fixed on ruler one end on pipeline, another person draws ruler to cheat ground location, substantially estimated data to excavation, because
This measurement accuracy is worse.
The content of the invention
The invention provides a kind of buried pipeline excavates inspection buried depth measuring method and measuring scale, background technology is which overcomed
Described in the deficiencies in the prior art.
One of the technical solution adopted for the present invention to solve the technical problems is：
Buried pipeline excavates inspection buried depth measuring method, after excavation, a measurement point is taken on exposed buried pipeline；
When at the excavation known to ground location, buried depth depth h of buried pipeline exposed after the excavation is drawnBuried depthFor the ground
Face position is to vertical distance h between the measurement point0；
When ground location is unknown at excavation, the buried depth measurement includes following measuring process：
Step 1, it is square on the ground to take a level height position；
Step 2, measures the corresponding level height position in the measurement point top to vertical distance h of the measurement point；
Step 3, takes two side positions of the measurement point both sides of living apart, and measures the corresponding level height position of two side position
Vertical distance h on ground is arrived respectively1And h2；
Step 4, measures the measurement point to horizontal range x of its two side position1And x2；
Step 5, draws buried depth depth h of buried pipeline exposed after the excavationBuried depthFor：
Work as h1＞ h2When,
Work as h1＜ h2When,
Work as h1=h2When,
The two of the technical solution adopted for the present invention to solve the technical problems are：
Buried pipeline as described in one of technical scheme excavates the measuring scale of inspection buried depth measurement, and it includes main scale, nesting
In main scale and can respectively toward main scale both sides horizontal extension two shrinkage-rules, be equiped with main scale can be vertically drop-down the first coil of strip
Chi, the end of two shrinkage-rules is equiped with respectively the second steel tape that can be vertically drop-down, and the main scale is provided with for adjusting its level
The first bubble pipe of degree, is respectively provided with the second bubbler tube for adjusting its levelness on two shrinkage-rule, the main scale and two is stretched
Reduced scale is provided with digital calibration value along its horizontal length direction, and first steel tape is used to measuring described vertical distance h or h0,
Second steel tape is used to measure described vertical distance h1And h2, the main scale and two shrinkage-rules be used to measuring described level away from
From x1And x2。
Among one embodiment：The digital calibration value of the main scale is zero graduation starting point gradually to two with main scale center
Side is incremented by, and the digital calibration value of two shrinkage-rule is each gradually passed end as zero graduation starting point with its to its other side direction
Increase, the first steel tape correspondence is installed in the zero graduation position of main scale, the second steel tape correspondence is installed in shrinkage-rule
Zero graduation position.
Among one embodiment：The pull-out end of first steel tape and the second steel tape is respectively equipped with to be easy to pull out steel
The pulling buckle of tape measure.
Among one embodiment：Pulling buckle on first steel tape is circular draw ring.
Among one embodiment：The end of the shrinkage-rule is cutting-edge structure, is easy to that the measuring scale is stuck in into excavation during measurement
Hole side wall.
Compared with background technology, it has the advantage that the technical program：
1st, when ground location is unknown at excavation, can be accurately determined at excavation by the buried depth measuring method described in this case
Ground location, and obtain the accurate buried depth depth of buried pipeline.
2nd, easily the buried depth depth of buried pipeline quickly and accurately can be measured by the measuring scale described in this case,
Measurement process is simple, measures easy to operate.
3rd, the measuring scale novel in structural design described in this case, it is unique, it is easy to operate.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described.
Fig. 1 is the overall structure diagram of the measuring scale described in the present embodiment；
Fig. 2 is the fit structure schematic diagram of the measuring scale main scale described in the present embodiment and shrinkage-rule；
The partial schematic diagram of the measuring scale main scale described in the present embodiment of Fig. 3 positions；
Fig. 4 is one of buried depth of pipeline measuring principle schematic diagram described in the present embodiment；
Fig. 5 is two of the buried depth of pipeline measuring principle schematic diagram described in the present embodiment；
Fig. 6 is three of the buried depth of pipeline measuring principle schematic diagram described in the present embodiment；
Specific embodiment
Fig. 1 to Fig. 3 is refer to, buried pipeline excavates the measuring scale of inspection buried depth measurement, and it includes main scale 1, is nested in master
In chi 1 and can respectively toward the both sides horizontal extension of main scale 1 two shrinkage-rules 2, be equiped with main scale 1 can be vertically drop-down the first coil of strip
Chi 11, the end of two shrinkage-rules 2 is equiped with respectively the second steel tape 21 that can be vertically drop-down, and the main scale 1 is provided with for adjusting
The first bubble pipe 12 of its levelness, generally, the first bubble pipe 12 divides located at the center of main scale 1 on two shrinkage-rule 2
The second bubbler tube 22 for adjusting its levelness is not provided with, the shrinkage-rule 2 of main scale 1 and two is provided with along its horizontal length direction
Digital calibration value.
Preferably, the digital calibration value of the main scale 1 is gradually passed by zero graduation starting point of main scale center to both sides
Increase, the digital calibration value of two shrinkage-rule 2 is each gradually incremented by end as zero graduation starting point with its to its other side direction, institute
The zero graduation position that the correspondence of the first steel tape 11 is installed in main scale 1 is stated, the correspondence of the second steel tape 21 is installed in shrinkage-rule 2
Zero graduation position.
Preferably, the pull-out end of the steel tape 21 of first steel tape 11 and second is respectively equipped with and is easy to pull out coil of strip
The pulling buckle of chi, in the present embodiment, the pulling buckle on first steel tape 11 is circular draw ring 111.
Preferably, the end of the shrinkage-rule 2 is cutting-edge structure, and the measuring scale is stuck in into excavation hole side when being easy to measurement
Wall.
Buried pipeline excavates inspection buried depth measuring method, and its measurement process is as follows：After excavation, on exposed buried pipeline
A measurement point is taken, the measurement point is measuring basis of the measurement of buried depth of pipeline on pipeline.
As shown in figure 4, at the excavation known to ground location when, draw the buried depth depth of buried pipeline exposed after the excavation
hBuried depthIt is the ground location to vertical distance h between the measurement point0, in actual measurement procedure, measuring scale is placed in ground
Face flush position, is stuck on the upper side wall for excavating hole by the cutting-edge structure at measuring scale two ends, then pulls out the first steel tape
11, measure vertical distance h using the first steel tape 110。
When ground location is unknown at excavation, the buried depth measurement includes following measuring process：
Step 1, it is square on the ground to take a level height position, in actual measurement procedure, the level height position one
As take away the top level elevation of both sides mound of digging pit；
Step 2, measures the corresponding level height position in the measurement point top to vertical distance h of the measurement point,
During concrete measurement, measuring scale is positioned on the both sides mound of excavation hole and leveling, the first steel tape 11 is pulled out, using the first coil of strip
Chi 11 measures vertical distance h on the level height position to duct survey point on the mound；
Step 3, takes two side positions of the measurement point both sides of living apart, and measures the corresponding level height position of two side position
Vertical distance h on ground is arrived respectively1And h2, when specifically measuring, two side position is to excavate the both sides mound position cheated, measuring scale
Still it is placed horizontally on the mound of both sides, pulls out the second steel tape 21, using the second steel tape 21 water on the mound of both sides is measured
Flat height and position arrives respectively vertical distance h on ground1And h2；
Step 4, measures the measurement point to horizontal range x of its two side position1And x2, when specifically measuring, by measuring scale
The cooperation of main scale 1 and 2 measures the measurement point position to horizontal range x between the mound of both sides1And x2, wherein horizontal range x1And x2
Measured value for scale value and the scale of corresponding shrinkage-rule 2 of the zero graduation both sides of main scale 1 and, during measurement, need to be by measuring scale master
The zero graduation perpendicular alignmnet measurement point of chi 1, for the ease of calculating, during measurement, can use x1=x2；
Step 5, draws buried depth depth h of buried pipeline exposed after the excavationBuried depthFor：
As shown in figure 5, working as h1=h2When,
As shown in fig. 6, working as h1＜ h2When, h '=h1, OO '=h ", AO=x1, AB=x1+x2, BC=h2-h1, calculate OO '；
From proportionate relationship,Thus can obtain
hBuried depth=h-h '-h "；That is,
Can obtain in the same manner, work as h1＞ h2When,
By buried depth of pipeline measuring method of the present invention, it is possible to resolve when ground location is unknown at excavation, exactly
It is determined that ground location at excavation, and obtain the accurate buried depth depth of buried pipeline.Can in combination with measuring scale of the present invention
The buried depth depth of buried pipeline is quickly and accurately measured, measurement process is simple, measured easy to operate.Survey described in this case
Gage novel in structural design, it is unique, it is easy to operate.
The above, only present pre-ferred embodiments, therefore can not according to this limit the scope of present invention enforcement, i.e., according to
Equivalence changes that the scope of the claims of the present invention and description are made and modification, all should still belong in the range of the present invention covers.
Claims (6)
1. buried pipeline excavates inspection buried depth measuring method, it is characterised in that：After excavation, a survey is taken on exposed buried pipeline
Amount point；
When at the excavation known to ground location, buried depth depth h of buried pipeline exposed after the excavation is drawnBuried depthFor the ground position
Put to vertical distance h between the measurement point0；
When ground location is unknown at excavation, the buried depth measurement includes following measuring process：
Step 1, it is square on the ground to take a level height position；
Step 2, measures the corresponding level height position in the measurement point top to vertical distance h of the measurement point；
Step 3, takes two side positions of the measurement point both sides of living apart, and measures the corresponding level height position difference of two side position
To vertical distance h on ground1And h2；
Step 4, measures the measurement point to horizontal range x of its two side position1And x2；
Step 5, draws buried depth depth h of buried pipeline exposed after the excavationBuried depthFor：
Work as h1＞ h2When,
Work as h1＜ h2When,
Work as h1=h2When,
2. the measuring scale that buried pipeline as claimed in claim 1 excavates inspection buried depth measurement is used for, it is characterised in that：Including master
Chi, be nested in main scale and can respectively toward main scale both sides horizontal extension two shrinkage-rules, being equiped with main scale can be vertically drop-down
First steel tape, the end of two shrinkage-rules is equiped with respectively the second steel tape that can be vertically drop-down, and the main scale is provided with for adjusting
The first bubble pipe of its levelness is saved, the second bubbler tube for adjusting its levelness, the master are respectively provided with two shrinkage-rule
Chi and two shrinkage-rules are provided with digital calibration value along its horizontal length direction, first steel tape be used to measuring it is described it is vertical away from
From h or h0, second steel tape is used to measure described vertical distance h1And h2, the main scale and two shrinkage-rules are used to measuring described
Horizontal range x1And x2。
3. buried pipeline according to claim 2 excavates the measuring scale of inspection buried depth measurement, it is characterised in that：The main scale
Digital calibration value with main scale center as zero graduation starting point gradually to both sides be incremented by, the digital calibration of two shrinkage-rule
Value is each gradually incremented by end as zero graduation starting point with its to its other side direction, and the first steel tape correspondence is installed in main scale
Zero graduation position, second steel tape correspondence is installed in the zero graduation position of shrinkage-rule.
4. the buried pipeline according to Claims 2 or 3 excavates the measuring scale of inspection buried depth measurement, it is characterised in that：It is described
The end that pulls out of the first steel tape and the second steel tape is respectively equipped with the pulling buckle for being easy to pull out steel tape.
5. buried pipeline according to claim 4 excavates the measuring scale of inspection buried depth measurement, it is characterised in that：Described first
Pulling buckle on steel tape is circular draw ring.
6. the buried pipeline according to Claims 2 or 3 excavates the measuring scale of inspection buried depth measurement, it is characterised in that：It is described
The end of shrinkage-rule is cutting-edge structure, and the measuring scale is stuck in into excavation hole side wall when being easy to measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970444.7A CN106643369B (en) | 2016-11-03 | 2016-11-03 | Buried pipeline, which excavates, examines buried depth measurement method and measuring scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970444.7A CN106643369B (en) | 2016-11-03 | 2016-11-03 | Buried pipeline, which excavates, examines buried depth measurement method and measuring scale |
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| Publication Number | Publication Date |
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| CN106643369A true CN106643369A (en) | 2017-05-10 |
| CN106643369B CN106643369B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610970444.7A Active CN106643369B (en) | 2016-11-03 | 2016-11-03 | Buried pipeline, which excavates, examines buried depth measurement method and measuring scale |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489455A (en) * | 2018-03-25 | 2018-09-04 | 姚燕明 | The aided measurement device and measurement method of sewage open caisson internal structure |
| CN111879283A (en) * | 2020-07-08 | 2020-11-03 | 中国科学院海洋研究所 | Pipeline retesting method for crossing river channel |
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| JP2004258016A (en) * | 2003-02-26 | 2004-09-16 | Yoshiaki Ohira | Length meter using clip |
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| CN111879283A (en) * | 2020-07-08 | 2020-11-03 | 中国科学院海洋研究所 | Pipeline retesting method for crossing river channel |
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| Publication number | Publication date |
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| CN106643369B (en) | 2019-03-15 |
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