( 7 ) axisymetrical analytical solutions of vacuum preloading was deduced to compute pore water pressure and degree of consolidation , the effect of vacuum loading speed , well resistance and smear were considered ( 7 )在轴对称单井模型的基础上,推导了考虑真空荷载施加过程的真空预压下地基孔压及固结度的解析解,同时可考虑井阻、涂抹等因素。
During the construction phase , it should make decision on loading speed according the dynamic supervising results and make decision on the adding spread time of road according the prognostic subsiding result after construction 在施工阶段,需要根据动态监测的结果,对施工期的加载速度做出决策。根据工后沉降的预测结果,对路面的加铺时间做出决策。
( 8 ) for the sake of overcoming the shortage of the former work , axisymetrical analytical solutions of vacuum combined surcharge preloading were deduced , the effect of surcharge loading speed was considered and vacuum was regard as instantaneous load , so we can take account of effect of surcharge loading time , well resistance and smear , it is more closed to practical engineering ( 8 )根据以前真空-堆载联合预压解析解的不足之处,推导了真空-堆载联合预压下地基孔压及固结度的解析解。本文的解析解将真空荷载视为瞬时施加,而将堆载荷载的施加考虑为线性施加过程,因此可以考虑堆载施加的时间影响,与实际工程情况更摘要加接近,并可同时考虑井阻、涂抹的影响。