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| 三角网法计算土方量的“破网”问题研究 | |
| 引用本文： | 朱剑飞,蔡良才,刘洲,陈黎明,李天民.三角网法计算土方量的“破网”问题研究[J].四川建筑科学研究,2011,37(5):119-122. |
| 作者姓名： | 朱剑飞 蔡良才 刘洲 陈黎明 李天民 |
| 作者单位： | 1. 空军工程大学工程学院,陕西西安710038;中航第三工程总队,江苏南京211100 2. 空军工程大学工程学院,陕西西安,710038 3. 空军工程设计研究局,北京,100071 4. 成空勘察设计院,四川成都,610000 |
| 摘 要： | 对三角网法计算土方量展开了深入研究,讨论了其优缺点,剖析了其计算过程中存在的问题。针对三角网投影时出现"破网"的问题,提出了创建一个虚拟的投影组合面,再对该投影组合面进行三角剖分,求出剖分之后的每个三角形对应的三棱柱的体积,进而求出总的土方量。最后,通过实例验证了该方法,并对三种方法精度进行了分析。 |
| 关 键 词： | 破网 三角网法 精度分析 土方量计算 |
Study on the problem of break net in earthwork calculation by triangulation network |
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| ZHU Jianfei,CAI Liangcai,LIU Zhou,CHEN Liming,LI Tianmin.Study on the problem of break net in earthwork calculation by triangulation network[J].Building Science Research of Sichuan,2011,37(5):119-122. | |
| Authors: | ZHU Jianfei CAI Liangcai LIU Zhou CHEN Liming LI Tianmin |
| Affiliation: | ZHU Jianfei1,2,CAI Liangcai1,LIU Zhou1,CHEN Liming3,LI Tianmin4(1.Engineering Institute,Air Force Engineering University,Xi'an 710038,China,2.Unit of China Airport Construction,Nanjing 211100,3.Air Force Engineering Design Institute,Beijing 100071,4.Design Academe of Chengdu,Air Force Engineering Design and Research Institute,Chengdu 610000,China) |
| Abstract: | The paper thorough researched the method of earthwork calculation by triangulation network,discussed its merit and shortcoming,and analyzed the problem in calculation.Aimed at the triangulation network projection appear the problem of break net,the paper established a virtual projection combination surfaces,then divided the projection combination surfaces,calculated the volume of the three prism which correspond to the each triangle,and calculated overall earthwork.Finally,the paper through a example valida... |
| Keywords: | break net triangulation network precision analysis calculation of earthwork |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
