Basics of civil engineering

                                                                     unit 4                                                                                                                               1)The vertical stress at depth z directly below the point P is ( k is constant) … k P/z k P/z 3 k P/z 2 k P 2 /z 1/2 2)The intensity of vertical stress σ 2 at a depth z due to point load Q acting on the surface of a semi-infinite elastic soil mass is …. (a) directly proportional to depth   (b)...