| 21. | In this paper,An unique print position coding structure was designed according to the linear characters of the underground pipe network using language C. Based on these, a software on the fast inquiry of pipe likes graphic attributes was developed. |
| 本文以C语言为开发工具,根据地下管网所具有的线性特征,设计了一种独特的点位编码结构,并以此为基础,开发了一种管线图形属性快速查询的软件。 |
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| 22. | Based on the simplified structure of rock mass, FLAC(superscript 3D) numerical modeling technique is used to systematically analyze the distribution features of the secondary stress field, strain field and plastic zones in the surrounding rock mass of the underground cavities after the excavation. |
| 摘要在岩体结构模型概化的基础上，采用FLAC(上标3D)数值分析方法，系统研究了澜沧江某大型水电站大跨度、高边墙地下洞室群开挖完成后围岩的二次应力场、变形场和塑性破坏区的变化特征。 |
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