the ring wall base resulted in sudden change of stress and formed steep subsidence zone at the ring wall on soft ground base, being unfavorable to stress at the bottom of the tank.
其次,当罐直径越来越大时, 混凝土环墻的温度应力和干缩成为设计难题。
the parameters of the fault deformation anomaly from northern part of shanxi zone reflected the strong earthquake activity along shanxi fault subsidence zone and its extension section.