4.1 Footing depth and spacing 4.2 Displaced soil effects 4.3 Net versus gross pressure: design soil pressures 4.4 Erosion problems for structures adjacent to flowing water 4.5 Corrosion protection 4.6 Water table fluctuation 4.7 Foundations in sand and silt deposits 4.8 Foundations on loess and other collapsible soil 4.9 Foundations on unsaturated soils subjected to volume change with change in water content
二章习题课 例题一、如图所示的构件,B为中间铰,受载荷如图所示。 求:A、C处的约束反力。 q M A a a 〔思路 1、在解题前,先回顾一下固定端约束的情形。分别以旗杆、墙上钉的铁钉等,介绍其约 束情况(反力的个数) 2、需要求解的未知数为4个,只选取一次研究对象不能解决问题,需要补充方程。故可 以考虑先选取BC为研究对象,在以整体为对象,即可求解。 解)