工程地质综合性与岩体结构动态控制观的提出

Engineering Geological Synthesis and an Opinion of Discontinuity Dynamic Controlling (DDC)

当前我国一系列大型地质工程建设中地质灾害预报和动态设计、信息化施工的需求,使工程地质学面临综合理论创新发展的历史性机遇和挑战。有关学者提出大成综合理论,从源头上综合了专家的多源知识,从理论上凝炼了工程地质学高度综合的特点。以大成综合理论为基础,作者提出将众多因素相互作用进行观察、判断和测试,建立关系矩阵并加以权重分析和活跃强度等运算,提出了表征工程地质多因素作用关系简便可行途径。其研究难点在于综合认识地质条件的原生、次生和工程作用下的变化。总结复杂地质条件下国内外地质工程实践经验,提出了自然演化和工程扰动下岩体结构动态控制观(DDC)。结合工程场地规划和比选,以工程地质分区(EZI)、综合适宜性(CSI)、加固需求度(DRD)等可操作的量化指标,发展工程施工乃至运行扰动作用下的岩体结构控制论,更好地服务于地质工程与环境和谐的高层次决策目标。复杂地质条件下工程实践说明了DDC提出的科学合理性,以及解决复杂性问题的实用性。

To deal with interactions of geological objects with rock engineering projects under quick construction in China, which both together comprising one complex huge system, the Meta-Synthesis is set up for variovs sources of knowledge to be combined to accomplish joints of experience, inference with monitoring for decision making in engineering geology. From this theoretical basement, this paper presents observations, judgment and tests are used to fulfill interaction matrix for analysis of multiple factors with interactions. Therefore the engineering geological interaction approach （EGI） is put forward as one applicable method for interaction analysis. From viewpoint of Meta-Synthesis and actual situations of natural evolution and engineering disturbance of geological objects, the opinion of Dynamic Controlling （DDC） is formed. This opinion takes account of primary and secondal.＇y variations of ohjects, meets requirements of plan and selection schemes, and adopts some indices as engineering geological zonation （EZI） , comprehensive suitability index CS1） , and assessment of the degree of reinforcement demand （DRD）, etc, for assisting in decision making with aspects to agreement of engineering with the environment.