逐层开挖工程整体三维影像模型构建方法

doi:10.13278/j.cnki.jjuese.20180164

吉林大学学报(地球科学版) ›› 2018, Vol. 48 ›› Issue (5): 1589-1595.doi: 10.13278/j.cnki.jjuese.20180164

• 中国水利学会勘测专业委员会专栏 • 上一篇

逐层开挖工程整体三维影像模型构建方法

王吉亮^1,2, 施炎^1,2, 周炳强^1,2, 杨静^1,2, 郝文忠^1,2, 廖立兵^1,2, 康双双^1,2

1. 长江勘测规划设计研究院, 武汉 430010;
2. 长江三峡勘测研究院有限公司(武汉), 武汉 430074

收稿日期:2018-06-25 发布日期:2018-11-20
作者简介:王吉亮(1982-),男,高级工程师,博士,主要从事水利水电工程地质勘察研究工作,E-mail:39128518@qq.com
基金资助:
国家重点研发计划项目（2017YFC1502601）

Method of Overall 3D Image Model Construction for Step by Step Excavation Engineering

Wang Jiliang^1,2, Shi Yan^1,2, Zhou Bingqiang^1,2, Yang Jing^1,2, Hao Wenzhong^1,2, Liao Libing^1,2, Kang Shuangshuang^1,2

1. Changjiang Institute of Survey, Planning, Design and Research, Wuhan 430010, China;
2. Three Gorges Geotechnical Consultants Co., Ltd. (Wuhan), Wuhan 430074, China

Received:2018-06-25 Published:2018-11-20
Supported by:
Supported by National Key R & D Program of China (2017YFC1502601)

摘要/Abstract

摘要： 对于高边坡、大型地下洞室、深基坑等逐层开挖工程，开挖形象具有动态变化的特点，工程形象变化大、开挖持续时间长、开挖面位置不断变化，开挖面地质信息必须及时采集，而传统的静态三维影像建模方法难以满足要求。本文以典型的逐层开挖工程——乌东德水电站大坝建基面边坡为研究对象，探索出一套三维影像建模方法，通过无人机倾斜摄影结合像控点测量、数据处理、模型构建，获取建基面整体三维影像。影像成果质量优良，位移偏差一般为5.1~7.9 cm，精度满足一般工程需要。此三维影像建模方法为工程信息存储、分析、展示和后期应用奠定了基础，取得了良好效果。

关键词: 三维影像建模, 大坝建基面, 无人机倾斜摄影, 乌东德水电站

Abstract: In a step by step excavation engineering such as high slope,large underground cavern and deep foundation pit, the project image changes greatly, the excavation duration is long, the position of excavation face is constantly changing, and the geological information of excavation face needs to be collected in time. These characteristics are not conducive to build a 3D image model. These problems cannot be solved by using the traditional static method. Taking the dam foundation surface slope of Wudongde hydropower station as a typical example of step by step excavation engineering, the authors explored a 3D image modelling method. Based on the oblique photographic data with unmanned aerial vehicle (UAV), image control point's measurement, and data processing and modelling, the overall 3D images are obtained. The quality of the 3D images is good and the coordinate error is generally 5.1-7.9 cm, and the coordinate precision meets the engineering requirement. This 3D image model construction method lays a foundation for engineering information storage, analysis, display and later use.

Key words: 3D image model construction, dam foundation surface, unmanned aerial vehicle oblique photogrammetry, Wudongde hydropower station

中图分类号:

P231

王吉亮, 施炎, 周炳强, 杨静, 郝文忠, 廖立兵, 康双双. 逐层开挖工程整体三维影像模型构建方法[J]. 吉林大学学报(地球科学版), 2018, 48(5): 1589-1595.

Wang Jiliang, Shi Yan, Zhou Bingqiang, Yang Jing, Hao Wenzhong, Liao Libing, Kang Shuangshuang. Method of Overall 3D Image Model Construction for Step by Step Excavation Engineering[J]. Journal of Jilin University(Earth Science Edition), 2018, 48(5): 1589-1595.

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逐层开挖工程整体三维影像模型构建方法

Method of Overall 3D Image Model Construction for Step by Step Excavation Engineering

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