介绍： 一、设计题目........................................................1 二、设计过程........................................................1 1．确定基础持力层...............................................1 1.1 地质资料.................................................1 1.2 工程地质条件评价.........................................2 2．初选桩型和承台埋深...........................................2 2.1 桩型.....................................................2 2.2 初选承台埋深d ...........................................3 2.3 桩长.....................................................3 3．确定单桩承载力...............................................3 3.1 由于本题无水平外力，不需计算水平承载力...................3 3.2 计算单桩竖向承载力.......................................3 4．初选桩数.....................................................5 5．初选承台尺寸.................................................5 6．桩基验算.....................................................6 6.1 基桩竖向承载力验算.......................................6 6.2桩尖平面处地基承载力验算.................................6 6.3桩基沉降验算.............................................7 7．承台设计计算.................................................9 7.1承台抗冲切验算——验算承台厚度...........................9 7.2承台受弯计算............................................10 8．桩身结构强度计算及配筋......................................11 8.1桩身起吊验算............................................11 8.2桩的主筋计算............................................12 8.3桩身强度验算............................................12 8.4桩的箍筋计算............................................13 三、参考文献.......................................................13 四、施工图.........................................................13
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