地基承載力計算方法與地基設(shè)計應(yīng)用分析
孫宏偉1，馮海悅2
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（1 北京市建筑設(shè)計研究院有限公司, 北京 100045； 2 中國建筑標(biāo)準(zhǔn)設(shè)計研究院, 北京 100048）
［摘要］地基承載力的確定應(yīng)兼顧地基強(qiáng)度與地基變形控制。討論了基礎(chǔ)設(shè)計過程中的地基設(shè)計理念，對地基承載力術(shù)語的沿革及地基承載力多種計算方法進(jìn)行了梳理，并給出了基礎(chǔ)寬度和埋深的地基承載力修正系數(shù)的計算公式。通過實例分析強(qiáng)調(diào)了不同地基承載力計算方法的綜合應(yīng)用。期望能夠?qū)υO(shè)計人員在基礎(chǔ)設(shè)計時正確理解與綜合應(yīng)用地基承載力計算方法有所幫助。［關(guān)鍵詞］地基設(shè)計; 容許承載力; 沉降計算; 差異沉降中圖分類號：TU470 文獻(xiàn)標(biāo)識碼：A 文章編號：1002-848X(2015)18-0101-04
Analysis on computation formulae for subgrade bearing capacity applied in geotechnical and foundation designSun Hongwei1, Feng Haiyue2(1 Beijing Institute of Architectural Design, Beijing 100045, China; 2 China Institute of Building Standard Design & Research, Beijing 100048, China)Abstract: The determination of subgrade bearing capacity should consider subgrade strength and subgrade deformation control. The subgrade design idea in foundation design process was discussed and the evolution of terms for subgrade bearing capacity was introduced as well as calculation methods of subgrade bearing capacity. The calculation formulas of subgrade bearing capacity correction coefficients for the foundation width and depth were given. Through the case analysis, the comprehensive applications of different calculation methods of subgrade bearing capacity were emphasized. It is hoped that the study can be helpful to designers in understanding and comprehensive applying the calculation methods of subgrade bearing capacity in foundation design.Keywords: geotechnical design; allowable bearing capacity; settlement calculation; differential settlement
作者簡介：孫宏偉，學(xué)士，副總工程師，教授級高級工程師，注冊土木工程師（巖土），Email：dijiyanjiu@163.com。
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