CN113868728B - Method for calculating quantity of excavation and filling projects based on Bentley software - Google Patents
Method for calculating quantity of excavation and filling projects based on Bentley software Download PDFInfo
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- CN113868728B CN113868728B CN202111066211.1A CN202111066211A CN113868728B CN 113868728 B CN113868728 B CN 113868728B CN 202111066211 A CN202111066211 A CN 202111066211A CN 113868728 B CN113868728 B CN 113868728B
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000001680 brushing effect Effects 0.000 claims abstract description 40
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 abstract description 15
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000009191 jumping Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/24—Indexing scheme for image data processing or generation, in general involving graphical user interfaces [GUIs]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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- Pure & Applied Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Processing Or Creating Images (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a method for calculating the quantity of excavation and filling projects based on Bentley software. In the projects of construction projects with large earthwork quantity such as mine engineering, hydraulic and hydroelectric engineering, landslide brushing and the like, accurate calculation of the earth and stone excavation quantity is often required. The conventional square grid method is only suitable for calculating a flat and regular field. The invention leads the CAD accurate measurement plan map contour lines and elevation point data into the Bentley software to obtain the three-dimensional brushing volume information and the three-dimensional filling volume information; the volume of the three-dimensional brush body is the engineering quantity calculated by the earthwork of the excavation; the three-dimensional filling body volume is the engineering quantity calculated by filling earthwork. The method is particularly suitable for engineering projects with changeable brushing gradient, abnormal brushing aspect, fluctuation of original terrain surface and large local terrain jumping and irregularity of the excavated surface, overcomes the calculation errors and limitations of the traditional calculation method, and improves the calculation precision and efficiency.
Description
Technical Field
The invention belongs to the technical field of road engineering, and particularly relates to a method for calculating the quantity of excavation and filling projects based on Bentley software.
Background
In the projects of construction projects with large earthwork quantity such as mine engineering, hydraulic and hydroelectric engineering, landslide brushing and the like, accurate calculation of the earth and stone excavation quantity is often required. The traditional square grid method is suitable for calculating the flatness and the regularity of the field; the original ground is slightly fluctuated, and the land shape is gradually changed; however, the excavation surface of the actual excavation project has changeable brushing gradient and abnormal brushing aspect; the original terrain has the characteristics of fluctuation, large local terrain jumping and irregularity, and the traditional calculation method has certain errors and limitations.
The Bentley software realizes a three-dimensional calculation mode obtained by the excavation and filling engineering; and creating a topographic curved surface according to the contour lines and elevation point data of the precise survey network, and then dividing the soil body area above the digging aspect according to the calculation requirement so as to ensure the accuracy of calculation and the intuitiveness of display of the quantity of the digging and filling projects.
Disclosure of Invention
The invention aims to provide a method for calculating the quantity of excavation and filling projects based on Bentley software, which solves the problem of calculation errors of excavation and filling projects caused by irregular original terrain surface, changeable brushing gradient and abnormal brushing aspects in the conventional square grid method.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a method for calculating the number of excavation and filling projects based on Bentley software comprises the following steps:
Step one: importing CAD accurate measurement plan view topographic contour and elevation point data into Bentley software to simulate and generate an original mountain three-dimensional grid topographic surface;
Step two: determining an earthwork construction boundary according to the designed excavation and filling range; establishing a geologic body model in Bentley software according to the earthwork construction boundary of the model base Gao Chengji; the geologic body model and the three-dimensional grid topographic surface of the original mountain in the first step are subjected to Boolean operation to obtain a three-dimensional mountain model;
step three: establishing brushing inclined planes, brushing platforms or filling planes with different slope rates in the three-dimensional mountain model in the second step according to the slope height, slope rate, excavation elevation or filling elevation of the two-dimensional CAD plan and the section;
step four: stitching the brushing inclined plane in the third step to form brushing aspect, and converting the brushing platform into a grid curved surface;
Step five: performing Boolean logic intersection operation on the three-dimensional mountain model and the brushing aspect in Bentley software to obtain a three-dimensional brushing square; performing Boolean logic intersection operation on the three-dimensional mountain model and the filling surface in Bentley software to obtain a three-dimensional filling body;
Step six: reading the volume information of the three-dimensional brushing body and the three-dimensional filling body in the fifth step by using Bentley software, wherein the volume of the three-dimensional brushing body is the engineering quantity calculated by earthwork; the three-dimensional filling body volume is the engineering quantity calculated by filling earthwork.
The invention has the beneficial effects that:
1) According to the invention, an intuitive three-dimensional mountain model is established in Bentley software, and three-dimensional cubes and filling bodies are excavated, so that the display effect obtained by the observation is achieved;
2) The invention is especially suitable for engineering projects with changeable brushing gradient, irregular brushing aspect, fluctuation of original terrain surface, large local terrain jumping and irregularity on the excavation surface, overcomes the calculation errors and limitations of the traditional calculation method, improves the calculation precision and efficiency, and obtains the accurate earthwork quantity required by the excavation and filling, thereby achieving the effects of guiding construction, saving and optimizing the occupied area quantity and saving engineering investment.
Drawings
FIG. 1 is a diagram of the operational steps of the present invention;
FIG. 2 is a view of the original mountain three-dimensional grid terrain generated by the Bentley software;
FIG. 3 is a view of a mountain three-dimensional mountain geologic filling model generated by the Bentley software;
FIG. 4 is a view of a three-dimensional mountain geologic excavation model of a mountain generated by Bentley software;
FIG. 5 is a diagram of a brushing ramp and brushing platform model generated by the Bentley software;
FIG. 6 is a diagram of a three-dimensional brush cube model generated by the Bentley software;
FIG. 7 is a diagram of a three-dimensional filler model generated by the Bentley software;
FIG. 8 is three-dimensional brush volume information read by the Bentley software;
fig. 9 is three-dimensional filler volume information read by Bentley software.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
The following is a specific landslide brush management and filling engineering example, and is described in detail with reference to the accompanying drawings, and the specific calculation comprises the following steps:
step one: importing CAD accurate measurement plan view topographic contour lines and elevation point data into Bentley software to simulate and generate an original mountain three-dimensional grid topographic surface, as shown in fig. 2;
Step two: determining an earthwork construction boundary according to the designed excavation and filling range; establishing a geologic body model in Bentley software according to the earthwork construction boundary of the model base Gao Chengji; the geologic body model and the three-dimensional grid topographic surface of the original mountain in the first step are subjected to Boolean operation to obtain a three-dimensional mountain model; respectively selecting mountain models related to the excavation engineering, as shown in fig. 3, and mountain models related to the filling engineering, as shown in fig. 4;
step three: establishing brushing inclined planes, brushing platforms or filling planes with different slope rates in the three-dimensional mountain model in the second step according to the slope height, slope rate, excavation elevation or filling elevation of the two-dimensional CAD plan and the section view, as shown in figure 5;
step four: stitching the brushing inclined plane in the third step to form brushing aspect, and converting the brushing platform into a grid curved surface;
Step five: performing Boolean logic intersection operation on the three-dimensional mountain model and the brushing aspect in Bentley software to obtain a three-dimensional brushing cube, as shown in fig. 6; performing Boolean logic intersection operation on the three-dimensional mountain model and the filling surface in Bentley software to obtain a three-dimensional filling body, as shown in fig. 7;
Step six: reading the volume information of the three-dimensional brushing body and the three-dimensional filling body in the fifth step by using Bentley software, wherein the volume of the three-dimensional brushing body is the engineering quantity calculated by earthwork; the three-dimensional filling body volume is the engineering quantity calculated by filling earthwork; as shown in fig. 8 and 9, the calculation results show that the excavation volume is 420 ten thousand m 3 and the filling volume is 290 ten thousand m 3.
The content of the invention is not limited to the examples listed, and any equivalent transformation to the technical solution of the invention that a person skilled in the art can take on by reading the description of the invention is covered by the claims of the invention.
Claims (1)
1. A method for calculating the number of excavation and filling projects based on Bentley software is characterized by comprising the following steps: the method comprises the following steps:
Step one: importing CAD accurate measurement plan view topographic contour and elevation point data into Bentley software to simulate and generate an original mountain three-dimensional grid topographic surface;
Step two: determining an earthwork construction boundary according to the designed excavation and filling range; establishing a geologic body model in Bentley software according to the earthwork construction boundary of the model base Gao Chengji; the geologic body model and the three-dimensional grid topographic surface of the original mountain in the first step are subjected to Boolean operation to obtain a three-dimensional mountain model;
step three: establishing brushing inclined planes, brushing platforms or filling planes with different slope rates in the three-dimensional mountain model in the second step according to the slope height, slope rate, excavation elevation or filling elevation of the two-dimensional CAD plan and the section;
step four: stitching the brushing inclined plane in the third step to form brushing aspect, and converting the brushing platform into a grid curved surface;
Step five: performing Boolean logic intersection operation on the three-dimensional mountain model and the brushing aspect in Bentley software to obtain a three-dimensional brushing square; performing Boolean logic intersection operation on the three-dimensional mountain model and the filling surface in Bentley software to obtain a three-dimensional filling body;
Step six: reading the volume information of the three-dimensional brushing body and the three-dimensional filling body in the fifth step by using Bentley software, wherein the volume of the three-dimensional brushing body is the engineering quantity calculated by earthwork; the three-dimensional filling body volume is the engineering quantity calculated by filling earthwork.
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| CN202111066211.1A CN113868728B (en) | 2021-09-13 | 2021-09-13 | Method for calculating quantity of excavation and filling projects based on Bentley software |
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| CN202111066211.1A CN113868728B (en) | 2021-09-13 | 2021-09-13 | Method for calculating quantity of excavation and filling projects based on Bentley software |
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| CN113868728B true CN113868728B (en) | 2024-06-07 |
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| CN116108997B (en) * | 2023-02-22 | 2024-02-09 | 葛洲坝集团交通投资有限公司 | Method and system for predicting farmland land number and manufacturing cost of expressway in hilly area |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191581A (en) * | 2018-08-29 | 2019-01-11 | 李东帅 | A kind of Earth Volume of Road Engineering amount high-resolution method based on BIM technology |
| US10930072B1 (en) * | 2019-11-11 | 2021-02-23 | Bentley Systems, Incorporated | Multi-resolution mesh real-time contouring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3828824A1 (en) * | 2019-11-28 | 2021-06-02 | Dassault Systèmes | Polyline contributor in civil engineering |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191581A (en) * | 2018-08-29 | 2019-01-11 | 李东帅 | A kind of Earth Volume of Road Engineering amount high-resolution method based on BIM technology |
| US10930072B1 (en) * | 2019-11-11 | 2021-02-23 | Bentley Systems, Incorporated | Multi-resolution mesh real-time contouring |
Non-Patent Citations (2)
| Title |
|---|
| Bentley数字孪生技术在公路品质工程建设中的应用;梁才;;中国交通信息化;20200615(第06期);全文 * |
| 三维实景建模在山体慢道设计中的应用;杜欣俊;;绿色环保建材;20200425(第04期);全文 * |
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