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为适应世界标准构造物设计规范的发展趋势,基于极限状态设计法的基本思想,构建了完整的铁路工程地基处理设计体系,包括地基处理工程等级、荷载组合、地基处理性能要求等;提出了铁路地基处理设计性能矩阵、地基处理与性能要求之间的相互关系;针对不同铁路等级、轨道类型、速度目标值给出了铁路地基处理设计中稳定性和沉降的控制指标。将极限状态设计理念引入到地基处理设计中,其目的就是为了逐步融入国际发展新潮流,以期制定满足不同工程性能要求的地基处理技术规程。
In order to meet the development trend of the world standard structure design code, based on the basic idea of the limit state design method, a complete railway engineering foundation treatment design system is constructed, including the foundation treatment engineering level, load combination, foundation treatment performance requirements; proposed railway The relationship between the foundation treatment design performance matrix and the foundation treatment and the performance requirements; the control indexes for the stability and settlement of the railway foundation treatment design are given for different railway grades, orbit types and speed target values. The ultimate state design concept into the design of foundation treatment, the purpose is to gradually integrate into the new trend of international development, in order to formulate to meet the requirements of different engineering requirements of foundation treatment technology.