内容简介
DBJ/T 14-083-2012建筑地基安全性鉴定技术规程
Technical Code for Safety Appraisal ofBuilding Subgrade
2012-03-01实施
2012-02-03 发布
前 言
根据省住建厅鲁建标函【2011】14号文的要求，规程编制组经过广泛调查研究，认真总结分析省内外建筑地基事故原因和科研成果，并广泛征求意见，制定了本规程。本规程建筑地基安全性鉴定分级评定以满足建筑主体结构安全为目的。
本规程主要包括总则、术语和符号、基本规定、地基岩土体完整性、地基承载力安全性、地基稳定性、地基变形状态、地基不均匀沉降安全性、特殊土与不良地质作用地基安全性、地基安全性综合评定和条文说明等内容及有关附录。
目 次
1 总则 ····························································································································· 1
2 术语和符号 ················································································································ 1
2．1 术语························································································································ 1
2．2 符号························································································································ 2
3 基本规定 ···················································································································· 3
3．1 一般规定 ················································································································ 3
3．2 鉴定程序 ················································································································ 3
3．3 鉴定内容 ················································································································ 4
3．4 评定方法与安全等级 ···························································································· 4
4 地基岩土体完整性 ··································································································· 4
4．1 一般规定 ················································································································ 4
4．2 类别划分 ················································································································ 5
4．3 检测方法 ················································································································ 5
5 地基承载力安全性 ··································································································· 5
5．1 一般规定 ················································································································ 5
5．2 承载力计算 ············································································································ 6
5．3 类别划分 ················································································································ 6
5．4 检测方法 ················································································································ 6
6 地基稳定性 ················································································································ 9
6．1 一般规定 ················································································································ 9
6．2 鉴定计算 ················································································································ 9
6．3 类别划分 ·············································································································· 10
6．4 检测方法 ·············································································································· 11
7 地基变形状态 ·········································································································· 11
7．1 一般规定 ·············································································································· 11
7．2 监测与计算 ·········································································································· 12
7．3 类别划分 ·············································································································· 12
7．4 监测方法 ·············································································································· 13
8 地基不均匀沉降安全性 ························································································ 13
8．1 一般规定 ·············································································································· 13
8．2 沉降计算 ·············································································································· 13
8．3 类别划分 ·············································································································· 14
8．4 检测方法 ·············································································································· 15
9 特殊土与不良地质作用地基安全性 ·································································· 15
9．1 一般规定 ·············································································································· 15
9．2 类别划分 ·············································································································· 15
9．3 检测方法 ·············································································································· 17
10 地基安全性综合评定 ···························································································· 17
10．1 一般规定 ············································································································ 17
10．2 评定与鉴定报告 ································································································ 17
附录 A 建筑地基安全性鉴定报告 ············································································ 19
附录 B 地基岩土体完整性测量图 ············································································· 20
附录 C 地基承载力检测报告 ····················································································· 21
附录 D 滑移地基弧线与折线滑移面计算方法 ······················································· 22
附录 E 滑移面钻孔地基土物理力学参数表 ·························································· 24
附录 F 变形监测记录表 ······························································································ 25
附录 G 裂缝监测记录表 ······························································································ 26
附录 H 地基沉降量测记录表 ····················································································· 27
附录 I 裂缝量测记录表 ······························································································ 28
附录 J 地基土液化指数计算成果表 ······································································· 29
附录 K 岩溶溶洞顶板安全度η的计算 ··································································· 30
附录 L 降水梯度ψ与影响距离 D 及易失土悬高δ的计算 ······························ 32
附录 M 地基土自重应力 Pcz和附加应力 Pz的计算 ··············································· 33
附录 N 鉴定原始记录 ·································································································· 35
本规程用词说明 ············································································································ 37
引用标准名录 ················································································································ 38
附：条文说明 ·································································································· 39