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郑州地处黄河之畔,地质状况大都属软土地带。郑州分局在北站地区规划修建的312生活小区,占地5.56公顷,规划为17栋住宅楼、以及商店等,建筑面积达35万平方米。在此实践中探索软土地基的设计原则是个极好的机会。 “312”住宅小区座落于软土地层之上,该地区10米以内地层分布情况为: 一层为耕质土,厚0.6～1.0m[R]=90kpa 二层为轻亚粘土,厚3～5m浅黄色,砂性大。[R]=70kpa 三层为轻亚粘土,厚0～1.4m浅黄色,可塑性。[R]=80kpa 四层为轻亚粘土,厚1～2.4m软塑流塑状。[R]=112kpa 五层为轻亚粘土,厚2～3m可塑状会姜石[R]=150kpa
Zhengzhou is located in the Yellow River, most of the geological conditions are soft soil. Zhengzhou Sub-station in the North Station area planning to build 312 living area, an area of 5.56 hectares, planning for the 17 residential buildings, as well as shops, construction area of 350,000 square meters. In this practice to explore the design principles of soft ground is a wonderful opportunity. “312 ” residential area is located above the soft soil layer, within 10 meters of the formation distribution: the first layer of cultivated soil, 0.6 ~ 1.0m thick [R] = 90kpa two layers of light-loam, Thick 3 ~ 5m light yellow, big sand. [R] = 70kpa Three layers of light-loam clay, light yellow 0-1.4m, plasticity. [R] = 80kpa Four layers of light-loam clay, soft plastic flow 1 ~ 2.4m shape. [R] = 112kpa five layers of light-loam clay, plastic-shaped 2 ~ 3m will be ginger stone [R] = 150kpa