Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Consolidation degree calculation method for united preloading of stratified foundation
The invention discloses a consolidation degree calculation method for united preloading of a stratified foundation. A method of firstly separating and then closing is adopted. The method comprises thefollowing steps of: firstly, splitting two parts, namely vacuum preloading and surcharge preloading, which form combined preloading into three subjects; then, adopting a stratification method consolidation theory and formula; thirdly, calculating one by one to respectively obtain the consolidation degree initial value, the stratified average consolidation degree, the stratified consolidation degree contribution value and the whole-layer total average consolidation degree of the stratified foundation under the single action of vacuum negative pressure, water level drop and surcharge pressurization; according to the proportions of the three in the combined preloading, the respective weights of the vacuum negative pressure, obtaining the water level drop and the surcharge pressurization in the combined preloading; and finally, synthesizing the weights into the average consolidation degree of each layer, the contribution value of the consolidation degree of each layer and the total average consolidation degree of the whole layer in the combined preloading process, or multiplying the total average consolidation degree of the whole layer when the vacuum negative pressure, the water level drop and the surcharge pressurization respectively act by the respective weight of the whole layer, and adding to calculate the total average consolidation degree of the whole layer when the three act together.
本发明公开了一种成层地基联合预压的固结度计算方法，采用“先分后合”的办法，即先将组成联合预压的真空预压和堆载预压两部分拆分为三个课题，然后用分层法固结理论和公式，逐一运算分别求得成层地基在真空负压、水位下降和堆载加压单独作用时各分层固结度初值、分层平均固结度、分层固结度贡献值和整层总平均固结度，再根据三者在联合预压中的占比，求得真空负压、水位下降和堆载加压在联合预压中各自的权重，最后根据权重将其合成为联合预压时各分层平均固结度、各分层固结度贡献值和整层总平均固结度。也可以将真空负压、水位下降和堆载加压分别作用时的整层总平均固结度乘上各自的整层权重后相加算得三者共同作用时的整层总平均固结度。
Consolidation degree calculation method for united preloading of stratified foundation
The invention discloses a consolidation degree calculation method for united preloading of a stratified foundation. A method of firstly separating and then closing is adopted. The method comprises thefollowing steps of: firstly, splitting two parts, namely vacuum preloading and surcharge preloading, which form combined preloading into three subjects; then, adopting a stratification method consolidation theory and formula; thirdly, calculating one by one to respectively obtain the consolidation degree initial value, the stratified average consolidation degree, the stratified consolidation degree contribution value and the whole-layer total average consolidation degree of the stratified foundation under the single action of vacuum negative pressure, water level drop and surcharge pressurization; according to the proportions of the three in the combined preloading, the respective weights of the vacuum negative pressure, obtaining the water level drop and the surcharge pressurization in the combined preloading; and finally, synthesizing the weights into the average consolidation degree of each layer, the contribution value of the consolidation degree of each layer and the total average consolidation degree of the whole layer in the combined preloading process, or multiplying the total average consolidation degree of the whole layer when the vacuum negative pressure, the water level drop and the surcharge pressurization respectively act by the respective weight of the whole layer, and adding to calculate the total average consolidation degree of the whole layer when the three act together.
本发明公开了一种成层地基联合预压的固结度计算方法，采用“先分后合”的办法，即先将组成联合预压的真空预压和堆载预压两部分拆分为三个课题，然后用分层法固结理论和公式，逐一运算分别求得成层地基在真空负压、水位下降和堆载加压单独作用时各分层固结度初值、分层平均固结度、分层固结度贡献值和整层总平均固结度，再根据三者在联合预压中的占比，求得真空负压、水位下降和堆载加压在联合预压中各自的权重，最后根据权重将其合成为联合预压时各分层平均固结度、各分层固结度贡献值和整层总平均固结度。也可以将真空负压、水位下降和堆载加压分别作用时的整层总平均固结度乘上各自的整层权重后相加算得三者共同作用时的整层总平均固结度。
Consolidation degree calculation method for united preloading of stratified foundation
一种成层地基联合预压的固结度计算方法
ZHOU WEI (Autor:in) / ZHU JINGJING (Autor:in) / LIU YIPING (Autor:in) / REN YAQUN (Autor:in) / WEI HUA (Autor:in) / CHEN NIANJUN (Autor:in) / LU WEIGANG (Autor:in) / HE XIAOFEI (Autor:in) / WANG ZHINAN (Autor:in) / SHEN JINRU (Autor:in)
06.11.2020
Patent
Elektronische Ressource
Chinesisch
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