基于点云的复杂桥塔数字化预拼装方法

王文渊; 廖岳; 刘界鹏; 黄峰; 杨文树; 彭应川

doi:10.13206/j.gjgS25121701

基于点云的复杂桥塔数字化预拼装方法

doi: 10.13206/j.gjgS25121701

王文渊^1,2,
廖岳^1,2, ,,
刘界鹏^1,2,
黄峰^3,4,
杨文树^3,4,
彭应川^3,4

1. 重庆大学土木工程学院, 重庆 400045;
2. 山区土木工程安全与韧性全国重点实验室, 重庆 400045;
3. 中铁大桥局集团有限公司第六工程有限公司, 武汉 430101;
4. 中铁大桥局集团有限公司丰城分公司, 江西丰城 331104

基金项目:

国家自然科学基金项目（52595692）。

详细信息

作者简介:
王文渊，硕士，主要从事数字化预拼装研究。

通讯作者:
廖岳，博士研究生，主要从事智能建造研究，20221601068@stu.cqu.edu.cn。

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出版历程
- 收稿日期: 2025-12-17
- 网络出版日期: 2026-07-06

Virtual Trial Assembly of Complex Bridge Towers Based on Point Cloud Data

Wang Wenyuan^1,2,
Liao Yue^{1,2
, ,},
Liu Jiepeng^1,2,
Huang Feng^3,4,
Yang Wenshu^3,4,
Peng Yingchuan^3,4

1. School of Civil Engineering, Chongqing University, Chongqing 400045, China;
2. State Key Laboratory of Safety and Resilience of Civil Engineering in Mountain Area, Chongqing 400045, China;
3. Sixth Engineering Co., Ltd., China Railway Major Bridge Engineering Group Co., Ltd., Wuhan 430101, China;
4. Fengcheng Branch, China Railway Major Bridge Engineering Group Co., Ltd., Fengcheng 331104, China

摘要

摘要: 为提高复杂桥塔建造质量和数字化建造水平，提出了一种基于点云的复杂桥塔数字化预拼装方法。该方法针对桥塔节段几何形态复杂难以描述的问题，提出基于特征平面的检测截面分割方法和基于先验信息的截面特征点提取方法，用于实现复杂桥塔的数字化尺寸检测；依据不同工程基础信息，构建基于设计模型和基于几何特征的数字化预拼装技术路线，并基于数字化预拼装结果，采用有限元进行火焰矫正工艺仿真，实现拼接错缝的变形矫正分析，为修整施工提供参考。结果表明：基于点云的尺寸检测结果与全站仪对比偏差控制在±2 mm以内，数字化预拼装方法能够有效获取拼接错缝偏差，结合有限元仿真技术可提前获取变形矫正参数，为矫正施工提供参考。所提方法将数字化尺寸检测、数字化预拼装以及矫正工艺仿真相互衔接，有效提升了复杂桥塔的数字化建造水平，可为类似工程提供参考。
- 桥梁工程 /
- 数字化预拼装 /
- 点云数据 /
- 复杂桥塔 /
- 尺寸检测 /
- 仿真分析
Abstract: To enhance the quality and digitalization in the construction of complex bridge towers， a virtual trial assembly （VTA） method for complex bridge towers based on point cloud data was proposed. The method addressed the issue of describing the complex geometric shapes of bridge towers by introducing a feature-plane-based detection section segmentation method and a prior-knowledge-based feature point extraction method， enabling digital dimensional measurement for complex bridge towers. Based on the fundamental information of different engineering projects， VTA technical routes were constructed from both the design model perspective and the geometric feature perspective. Based on the VTA results， finite element simulation of the flame straightening process was conducted to analyze deformation correction for joint misalignments. This provided technical reference and guidance for subsequent repair and adjustment during construction. The results showed that the deviation between the point-cloud-based dimensional inspection and total station measurements was controlled within ±2 mm. The VTA method effectively identified joint misalignments， and by integrating finite element simulation， deformation correction parameters were obtained in advance to provide guidance for corrective actions during construction. The proposed method integrates digital dimensional measurement， VTA， and correction process simulation， significantly enhancing the digital construction capability of complex bridge towers and providing a valuable reference for similar engineering projects.
- bridge engineering /
- virtual trial assembly /
- point cloud data /
- complex bridge tower /
- dimensional measurement /
- simulation analysis

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