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河南油田某稠油联合站扩建工程的主要内容是新建2座5 000 m3原油储罐。储罐采用天然地基、环墙式基础,基础高出地面0.5 m;建筑抗震设防类别为丙类;抗震设防烈度为6°,设计地震分组为第一组,建筑场地类别为Ⅱ类,设计地震基本加速度值为0.05 g;建筑结构安全等级为二级,设计使用年限50年,基础设计等级为丙类。
The main content of the expansion project of a heavy oil joint station in Henan Oilfield is to build 2 new 5 000 m3 crude oil storage tanks. The natural foundation and ring-walled foundation is used for the storage tank, and the foundation is 0.5 m above the ground; the category of seismic fortification of buildings is Class C; the seismic fortification intensity is 6 °; the design earthquake group is the first group; the construction site class is Class Ⅱ; The basic acceleration is 0.05 g; the structural safety rating of the building is Grade II, the designed service life is 50 years, and the basic design grade is Grade C.