建筑桩基技术规范JGJ94-XXXX(69页)VIP免费

目录1总则………………………………………………………………………………………12术语、符号…………………………………………………………………………………22．1术语………………………………………………………………………………………22．2符号………………………………………………………………………………………33基本设计规定……………………………………………………………………………53．1一般规定…………………………………………………………………………………53．2基本资料…………………………………………………………………………………63．3桩的选型与布置…………………………………………………………………………73．4特殊条件下的桩基……………………………………………………………………83．5耐久性规定……………………………………………………………………………104桩基构造……………………………………………………………………………………114．1基桩构造………………………………………………………………………………114．2承台构造………………………………………………………………………………135桩基计算……………………………………………………………………………………155．1桩顶作用效应计算……………………………………………………………………155．2桩基竖向承载力计算…………………………………………………………………165．3单桩竖向极限承载力……………………………………………………………………175．4特殊条件下桩基竖向承载力验算………………………………………………………245．5桩基沉降计算…………………………………………………………………………285．6软土地基减沉复合疏桩基础…………………………………………………………315．7桩基水平承载力与位移计算…………………………………………………………335．8桩身承载力与裂缝控制计算…………………………………………………………365．9承台计算………………………………………………………………………………386灌注桩施工…………………………………………………………………………………466．1施工准备…………………………………………………………………………………466．2一般规定………………………………………………………………………………466．3泥浆护壁成孔灌注桩……………………………………………………………………476．4长螺旋钻孔压灌桩………………………………………………………………………506．5沉管灌注桩和内夯沉管灌注桩…………………………………………………………506．6干作业成孔灌注桩………………………………………………………………………536．7灌注桩后注浆……………………………………………………………………………547混凝土预制桩与钢桩施工………………………………………………………………567．1混凝土预制桩的制作…………………………………………………………………567．2混凝土预制桩的起吊、运输和堆放…………………………………………………577．3混凝土预制桩的接桩……………………………………………………………………577．4锤击沉桩…………………………………………………………………………………587．5静压沉桩…………………………………………………………………………………607．6钢桩(钢管桩、H型桩及其他异型钢桩)施工…………………………………………618承台施工…………………………………………………………………………638．1基坑开挖和回填…………………………………………………………………………638．2钢筋和混凝土施工………………………………………………………………………639桩基工程质量检查及验收………………………………………………………649．1一般规定…………………………………………………………………………………649．2施工前检验………………………………………………………………………………649．3施工检验…………………………………………………...