基坑毕业设计英文翻译.doc


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1 中文摘要本设计由两部分内容组成:第一部分是长沙是某轻工商业楼基坑支护;第二部分是武广客运专线路基工点设计。土钉墙设计中,由于工程现场下部土层较好,通过朗肯主动土压力计算确定只需在上层填土部分进行土钉墙支护。计算出土钉使用状态下的土体侧压力,并由此进行土钉墙参数设计,最后对土钉墙的局部稳定性、内部整体稳定性和外部整体稳定性进行了验算。土钉墙内部稳定性验算较为复杂,本设计采用了简化算法,即把最危险滑裂面简化成了平面。武广客运专线路基工点设计中,由于路基边坡不是很稳定,需要进行防护, 本设计中采用的是浆砌片石骨架的加固措施;而由于路基下部土层不是很好,通过计算确定要进行粉喷桩处理。并计算出粉喷桩处理前后的地基沉降,由此对下卧层的稳定性进行验算。关键词:基坑;土钉墙;强度;稳定性;路基;排水;沉降;粉喷桩;边坡稳定中南大学毕业设计 2 Abstract This design consists of two parts: the first part is about the design of soil-nail wall for the foundation pit supporting of mercial Building of Light Industry Bureau in Hunan ; and the second part is about the design of Wuhan-Guangzhou high-speed railway roadbed construction site design. In the design of the soil-nail wall, according to the Rankine active earth pressure, the conclusion was got that only the upper filled soil needed supporting because of the good conditions of the lower lateral earth pressure considering the soil nails was worked out, according to which the soil-nail wall was designed. Finally the local stability, interior stability and external stability of the soil-nail wal were checked. Because it plicated to check the interior stability, the simplified method was used in the design, which thought of the most dangerous sliding surface asa plane. In the second design,because of the subgrade isnot stable ,and needed the protection, this design is used in the skeleton made of mortar and stones to the reinforcement measures;And due to the lower soil of the subgrade isnot very good,confirmed by conputing the decision to treat with DJM. And calculated the settlement of the foundation before and after treatment with DJM, this Checking the stability of the underlying stratum. Keywords: Foundation pit; Soil-nail wall; Strength; Stability; Soft soil subgrade ; Drainage; Subsidence ; DJM ; Slope stability. 中南大学毕业设计 3 绪论本课题来源于工程生产实践,高层建筑基坑支护和铁路软弱地基加固处理均是关系到国家和人民生命财产的重要课题,因此在设计中应该综合安全性和经济性等方面进行严谨地设计计算。本设计就这两方面的问题分别进行土钉墙粉喷桩设计,以期选用安全经济的方法达到基坑支护和铁路地基加固的目的。地基处理和加固技术的建立与发展始终是和工程建设紧密

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