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[提要]  結(jié)合現(xiàn)場(chǎng)實(shí)測(cè)結(jié)果分析了高層建筑上部結(jié)構(gòu)與箱基和砂卵石地基共同作用機(jī)理，對(duì)三者共同作用的關(guān)鍵問題——基底反力的求解，首次在結(jié)構(gòu)連續(xù)化方法的基礎(chǔ)上，運(yùn)用加權(quán)殘數(shù)法求出了基底反力的大小及分布。還運(yùn)用所編程序定量分析了影響基底反力大小及分布的主要因素。
[關(guān)鍵詞]  高層建筑 箱形基礎(chǔ)  共同作用  數(shù)值模擬 砂卵石地基反力

Based on results of field measurements, the mechanism of interaction between high-rise building super-structure, foundation and cobble-stone subsoil is discussed. For calculation of subsoil reactions which is the critical problem of interaction between high-rise building superstructure, foundation and cobble-stone subsoil, the weighted residual method is first used to calculate value and distribution of subsoil reactions on the basis of structural continuum. The program for calculating subsoil reactions is coded in FORTRAN and quantitative analysis of a variety of influencing factors which affect value and distribution of subsoil reactions are carried on.
Keywords: high-rise building; box foundation;  cooperative effect;  numerical simulation;  cobble-stone
subsoil reactions