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