论文部分内容阅读
某厂于长江干堤边,新建面积2500平方米,有煤、硫酸碴铁粉联合储库一座,由于吊送和堆载要求,设计采用钢筋混凝土预制方桩基础。桩长根据岩层起伏走向设计为8～12M,桩总数386根,其中斜桩234根,以长12M、截面0.40×0.40M为主。设计要求斜桩承受水平荷载15吨,斜桩与地面水平夹角为76°,故斜桩斜率为tg15°=1:3.732。 (一)工程地质第一层:杂填土层,主要由页岩块石、粘性土、砖瓦碎片、炉渣等组成,层厚1.00～3.00M; 第二层:素填土层,以粘性土为主,含少量页岩碎块,有一定压密度,属中等偏高～高压缩性土,层厚为1.50～4.00M; 第三层:淤泥质粘土,呈可塑状,含多量有机腐植质及螺壳、贝壳,属中等压缩性
A plant on the edge of the Yangtze River embankment, a new area of 2,500 square meters, there is a joint storage of coal, barium sulphate iron powder, due to the lifting and loading requirements, the design of reinforced concrete prefabricated pile foundation. The length of the pile is designed to be 8~12M, and the total number of piles is 386, and the number of piles is 234. The main length is 12M and the cross section is 0.40×0.40M. The design requires the inclined pile to bear 15 tons of horizontal load, and the angle between the inclined pile and the ground is 76°, so the slope of the inclined pile is tg15°=1:3.732. (a) The first layer of engineering geology: miscellaneous filling layers, mainly composed of shale blocks, cohesive soil, brick debris, slag, etc., with a layer thickness of 1.00 to 3.00 M. Second layer: plain filling layer, with viscosity Soil-based, containing a small amount of shale pieces, a certain pressure density, is a medium high ~ high compressive soil, layer thickness 1.50 ~ 4.00M; The third layer: silty clay, was plastic, with a lot of organic humus Quality and shell, shell, a medium compression