Civil 3D在港区工程量计算中的应用
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摘要
港区陆域形成的填挖方量对工程经济性影响非常大,寻找精确地计算港区陆域工程量使纵向设计最优化的方法是港区工程全寿命周期各个环节的关键。基于传统方法的计算原理与应用现状分析了现有方法在港区土方计算中存在的问题,借鉴建筑信息模型BIM(Building Information Modeling)思想,对Civil 3D的土方计算原理与操作流程进行研究,最后以某港区石化仓储库区场平方案为例,参考传统计算软件HTCAD的计算结果,验证了Civil 3D在港区工程量计算中的便捷性与可靠性。结果显示:Civil 3D的计算精度比HTCAD高7%～20%,计算速度是HTCAD的数十倍,在修改过程中计算速度达数百倍。研究成果为采用Civil 3D进行港区陆域土方计算提供理论和技术依据。
The earthwork quantity in the land of a port area has a great influence on the economy of the project. In each link of the whole life cycle of the port area project, therefore, the urgent task is to find out an accurate method for calculating the site earthwork quantity in port area and optimizing the longitudinal design. Based on the calculation principles and application status of traditional methods, the problems in earthwork calculation in the port area by using the existing methods are analyzed. The principle and operation processes of Civil 3 D in the earthwork calculation are studied by drawing lessons from the Building Information Modeling(BIM). By relying on the scheme for leveling site in the petrochemical warehouse area in a port area and taking the calculation results of the traditional computing software HTCAD as a reference, the convenience and reliability of Civil 3 D in the calculation of engineering quantity in the port area are tested and verified. The results show that the computational accuracy of Civil 3 D is 7%～20% higher than that of HTCAD; the computational speed of Civil 3 D is tens of times as much as that of HTCAD; and the modification process is even 100 times faster. This study provides theoretical and technical base for using Civil 3 D to calculate the earthwork quantity in the land of the port area.
The earthwork quantity in the land of a port area has a great influence on the economy of the project. In each link of the whole life cycle of the port area project, therefore, the urgent task is to find out an accurate method for calculating the site earthwork quantity in port area and optimizing the longitudinal design. Based on the calculation principles and application status of traditional methods, the problems in earthwork calculation in the port area by using the existing methods are analyzed. The principle and operation processes of Civil 3 D in the earthwork calculation are studied by drawing lessons from the Building Information Modeling(BIM). By relying on the scheme for leveling site in the petrochemical warehouse area in a port area and taking the calculation results of the traditional computing software HTCAD as a reference, the convenience and reliability of Civil 3 D in the calculation of engineering quantity in the port area are tested and verified. The results show that the computational accuracy of Civil 3 D is 7%～20% higher than that of HTCAD; the computational speed of Civil 3 D is tens of times as much as that of HTCAD; and the modification process is even 100 times faster. This study provides theoretical and technical base for using Civil 3 D to calculate the earthwork quantity in the land of the port area.
引文
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[3] FAN Y P.Application of LASS in earthwork calculation[J].Ceomatics & Spatital Information Technology,2011,34(4):249-250,254.范玉平.南方CASS在土方计算中的应用[J].测绘与空间地理信息,2011,34(4):249-250,254.
[4] ZHANG X Y.The research on some problems of highway BIM based on Civil 3D[J].Xi’an:Chang’an University,2017.张兴宇.基于Civil 3D平台的公路BIM若干问题研究[D].西安:长安大学,2017.
[5] JI C L,LI Z J,MA X M.Research on several c alculation methods of earthwork[J].Geomatics & Spatial Information Technology,2010,33(3):219-222,226.季朝亮,李宗聚,马学民.关于几种土方量计算方法的研究[J].测绘与空间地理信息,2010,33(3):219-222,226.
[6] ZHANG T T,WANG T L.Study on the method of earthwok calculation[J].Journal of Anhui Agriculture Science,2006,34(22):6047-6050.张婷婷,王铁良.土方量计算方法研究[J].安徽农业科学,2006,34(22):6047-6050.
[7] LIU L,LI G J,QIAO W G.3D geological modeling method and application based on Civil 3D[J].Port & Waterway Engineering,2018(8):140-144.刘莉,李国杰,乔伟刚.基于Civil 3D的三维地质建模方法及应用[J].水运工程,2018(8):140-144.