【摘要】 针对基坑工程施工的特点和目前数据分析中所存在的问题,对基坑工程施工数据分析中应用科学计算可视化分析的方法进行了系统研究,结合体可视化算法思想,建立了基坑工程施工数据的可视化分析研究方法,提出采用直接体视的算法来实现基坑工程施工数据可视化问题的解决方案;建立了用于基坑工程施工数据可视化分析的体数据模型,体数据中包含了基坑施工的土力学参数和位移场的三维信息。按照不同的施工阶段,建立了不同时间序列的系列体数据集.利用这些体数据集,可以直接可视地分析施工每一工况下的坑外土体内各种土工参数的变化和土体位移的变化。并通过实例分析,验证了上述研究的可行性和有效性。更多还原

【Abstract】 In allusion to the construction particularity and existing problems for excavation work,on the basis of analysis on visualization of scientific computing,a visual data analysis method is studied for excavation work.A new way is found for engineers to use visualization of scientific computing method to interprete the data of excavation work.Volume visualization of surface-based rendering is applied to visualization of excavation environment and voxel-based rendering(Direct volume rendering)applied to visualization of excavation data analysis.A direct volume rendering method of excavation data analysis about Runyang bridge anchor-abutment constructed by freezing excavation method(as a former study) is studied and some unusual problems are found by visualization analysis of excavation work.Volume data set of excavation work and its structure are set up.Almost all soil mechanics parameters and soil displacement field are involved in this volume data.Now the soil behavior at anytime of excavation session can be easily discussed and analysed.A complete visualization analysis system of excavation work is given,and the whole process of excavation work can be studied with visualization analysis method.更多还原