CN107747906A - A kind of volume measuring method of testing pits for rolling earth-rock dam - Google Patents
A kind of volume measuring method of testing pits for rolling earth-rock dam Download PDFInfo
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- CN107747906A CN107747906A CN201711108480.3A CN201711108480A CN107747906A CN 107747906 A CN107747906 A CN 107747906A CN 201711108480 A CN201711108480 A CN 201711108480A CN 107747906 A CN107747906 A CN 107747906A
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- pits
- point cloud
- testing pits
- testing
- measuring method
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30132—Masonry; Concrete
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses one kind to be related to rolling earth-rock dam technical field, a kind of especially volume measuring method of testing pits for rolling earth-rock dam, it is scanned by three-dimensional laser machine to testing pits, obtain the point cloud containing surface three dimension geological information of testing pits, point cloud chart is established by the point cloud containing surface three dimension geological information of testing pits again, after handling point cloud chart, completely tested pits surface model, the surface model of testing pits can reflect each local detailed information of testing pits well, replicated equivalent to outdoor scene, it is easy to operate, obtain volume efficiency height of testing pits, the degree of accuracy is high, so as to also improve the precision of dam embankment density and efficiency of construction.
Description
Technical field
The present invention relates to rolling earth-rock dam technical field, especially a kind of volume survey of testing pits for rolling earth-rock dam
Amount method.
Background technology
The core of rolling earth-rock dam filling quality control is exactly compaction quality, and wherein compactness is exactly to detect field compaction
One of important indicator of quality.It is determined that live field density is tested pits, according to the volume tested pits using method of testing pits by digging at the scene
It is determined that weighing the weight for filler of testing pits, live dam material field density is finally calculated.At present, normal direction is replaced using volume to test pits interior people
Work fills sand or water to determine volume of testing pits, for being relatively large in diameter and depth is deeper tests pits, using the artificial bulk density for filling sand
Unmanageable, making to test pits determines volume inaccuracy, and the degree of accuracy is relatively low；Manual priming's method advantage is that the density of water is fixed, measurement
Volume is calibrated, and shortcoming is that due to will be in interior paving plastic film of testing pits, the volume for the measure that can cause to pour water be less than normal compared with actual volume,
In addition when the face of rolling is non-horizontal surface, douche can not be applicable.In addition, for high earth and rockfill dam, its stockpile maximum gauge can
To 80-100cm, the diameter and volume tested pits are larger, are wasted time and energy using artificial dig pit, manually fill sand and douche also in addition
It is low to there is efficiency, the problems such as disturbing is produced to construction speed.
The content of the invention
The technical problems to be solved by the invention are to provide the high compaction type soil of a kind of conveniently operation, efficiency high, the degree of accuracy
The volume measuring method of testing pits of masonry dam.
The present invention solves a kind of volume measuring method of testing pits for rolling earth-rock dam used by its technical problem, leads to
Cross three-dimensional laser machine to be scanned to testing pits, obtain containing the point cloud of surface three dimension geological information of testing pits, then by containing testing pits
The point cloud of surface three dimension geological information establishes point cloud chart, after handling point cloud chart, surface model of completely being tested pits.
Be further test pits by excavator into.
Be further, before point cloud chart is established, to a cloud carry out except make an uproar, filtering process.
It is further that point cloud chart, which carries out processing, to be included：Point cloud chart is handled using Octree algorithm, used
Delaunay triangulation network lattice algorithm is handled.
The beneficial effects of the invention are as follows：Tested pits for what is dug, using the three-dimensional laser machine table to testing pits from different perspectives
Face carries out 3-D scanning, can obtain the multiple clouds accurately containing three-dimensional geometric information of testing pits, then be established by a cloud
Point cloud chart, after handling point cloud chart, surface model of completely being tested pits, the surface model of testing pits can be anti-well
Each local detailed information of testing pits is reflected, is replicated equivalent to outdoor scene, it is easy to operate, volume efficiency height of testing pits is obtained, the degree of accuracy is high,
So as to also improve the precision of dam embankment density and efficiency of construction.
Embodiment
A kind of volume measuring method of testing pits for rolling earth-rock dam of the invention, by three-dimensional laser machine from different perspectives
3-D scanning is carried out to the surface tested pits, the multiple clouds accurately containing three-dimensional geometric information of testing pits, Ran Houtong can be obtained
Cross some clouds and establish point cloud chart, after handling point cloud chart, surface model of completely being tested pits.The surface model energy of testing pits
It is enough to reflect each local detailed information of testing pits well, replicated equivalent to outdoor scene, it is easy to operate, obtain volume efficiency of testing pits
Height, efficiency high, so as to also improve the precision of dam embankment density and efficiency of construction.Moreover, the cubing of testing pits of the present invention
Method replicates equivalent to outdoor scene, significantly reduces the requirement of the size and shape to testing pits, it is preferred to use excavator enters to dig examination
Hole, reduce the labor intensity that excavated by manual work is tested pits.
Specifically, in order to obtain the surface model of testing pits of higher precision, before point cloud chart is established, a cloud is removed
Make an uproar, filtering process, ensure to form the point cloud precision for surface model of testing pits.Establishing point cloud chart can be carried out in GOCAD, and a cloud is entered
Row Registration and connection is into the complete pit body surface model of a view picture.In order to further improve the degree of accuracy of pit body surface model, model
Good visual effect, first point cloud chart is handled using Octree algorithm, then using Delaunay triangulation network lattice algorithm at
Reason, so as to obtain the very high surface model of testing pits of precision.Octree algorithm is a kind of tree shaped data for being used to describe three dimensions
Structure, is a basic algorithm, and Octree algorithm has following features：1st, any object can represent in minimum cube
Octree representation is used in accuracy rating；2nd, octree structure makes the set operation in three dimensions, intersecting and merging, the difference of such as object
Computing is simple and easy；3rd, octree structure makes the geometric transformation operation of three-dimensional body, such as translates, rotates, scaling is easier to realize；
4th, level different on Octree corresponds to different resolution ratio, according to specific tasks different resolution can be selected to carry out algorithm and set
Meter.Delaunay triangulation network lattice algorithm lattice are a kind of iamge description forms, and it adaptively produces some symbols according to picture material
Unification determine the triangle of feature to describe whole image, triangular apex conduct " characteristic point " can be carried out in sequence image with
Track, it is code efficiency height using the advantages of this grid progress Image Coding, establishes visual quality of images well especially in low bit- rate
When advantage it is more obvious.After being handled by Octree algorithm and Delaunay triangulation network lattice algorithm point cloud chart, Neng Gouxian
The degree of accuracy for improving pit body surface model is write, it is substantially the same with outdoor scene.
Claims (4)
- A kind of 1. volume measuring method of testing pits for rolling earth-rock dam, it is characterised in that：By three-dimensional laser machine to testing pits It is scanned, obtains the point cloud containing surface three dimension geological information of testing pits, then by containing surface three dimension geological information of testing pits Point cloud establishes point cloud chart, after handling point cloud chart, surface model of completely being tested pits.
- A kind of 2. volume measuring method of testing pits for rolling earth-rock dam as claimed in claim 1, it is characterised in that：Test pits By excavator into.
- A kind of 3. volume measuring method of testing pits for rolling earth-rock dam as claimed in claim 1, it is characterised in that：Building Before vertical point cloud chart, a cloud is carried out except make an uproar, filtering process.
- A kind of 4. volume measuring method of testing pits for rolling earth-rock dam as claimed in claim 1, it is characterised in that：Point cloud Figure, which carries out processing, to be included：Point cloud chart is handled using Octree algorithm, at Delaunay triangulation network lattice algorithm Reason.
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| CN201711108480.3A CN107747906A (en) | 2017-11-09 | 2017-11-09 | A kind of volume measuring method of testing pits for rolling earth-rock dam |
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| CN201711108480.3A CN107747906A (en) | 2017-11-09 | 2017-11-09 | A kind of volume measuring method of testing pits for rolling earth-rock dam |
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| CN107747906A true CN107747906A (en) | 2018-03-02 |
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| CN201711108480.3A Pending CN107747906A (en) | 2017-11-09 | 2017-11-09 | A kind of volume measuring method of testing pits for rolling earth-rock dam |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142141A (en) * | 2018-06-19 | 2019-01-04 | 湖北大学 | A kind of three-dimensional laser real-time detection solid material density system and method |
| CN109682717A (en) * | 2019-01-11 | 2019-04-26 | 四川大学 | A kind of detection hole measurement method |
| CN109900338A (en) * | 2018-12-25 | 2019-06-18 | 西安中科天塔科技股份有限公司 | A kind of road surface pit slot volume measuring method and device |
| CN112345694A (en) * | 2020-10-20 | 2021-02-09 | 西北农林科技大学 | Method for measuring tightness of string-shaped fruits |
| CN113074631A (en) * | 2021-03-11 | 2021-07-06 | 中国水利水电第七工程局有限公司 | Method for measuring rock-fill dam pit test volume through handheld three-dimensional laser scanning |
| CN118334248A (en) * | 2024-04-25 | 2024-07-12 | 河海大学 | Quick detection and evaluation method for rolling quality of earth-rock dam filled stones |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142141A (en) * | 2018-06-19 | 2019-01-04 | 湖北大学 | A kind of three-dimensional laser real-time detection solid material density system and method |
| CN109900338A (en) * | 2018-12-25 | 2019-06-18 | 西安中科天塔科技股份有限公司 | A kind of road surface pit slot volume measuring method and device |
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| CN112345694A (en) * | 2020-10-20 | 2021-02-09 | 西北农林科技大学 | Method for measuring tightness of string-shaped fruits |
| CN113074631A (en) * | 2021-03-11 | 2021-07-06 | 中国水利水电第七工程局有限公司 | Method for measuring rock-fill dam pit test volume through handheld three-dimensional laser scanning |
| CN113074631B (en) * | 2021-03-11 | 2023-04-25 | 中国水利水电第七工程局有限公司 | Method for measuring rock-fill dam pit volume by hand-held three-dimensional laser scanning |
| CN118334248A (en) * | 2024-04-25 | 2024-07-12 | 河海大学 | Quick detection and evaluation method for rolling quality of earth-rock dam filled stones |
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Application publication date: 20180302 |