DBJ/T 15-191-2020 既有建筑地基基础检测鉴定技术规范
简介
DBJ/T 15-191-2020 备案号J15227-2020
既有建筑地基基础检测鉴定技术规范
Technical specification for inspection and identification of foundations of existing buildings
（预览版）
2020-10-01 实施
2020-07-04 发布 目 次 1 总则..........................................................................................................................1 2 术语和符号..............................................................................................................2 2.1 术语.................................................................................................................2 2.2 符号.................................................................................................................2 3 基本规定..................................................................................................................3 4 勘察..........................................................................................................................7 4.1 一般规定.........................................................................................................7 4.2 勘探与测试.....................................................................................................7 4.3 勘察成果报告.................................................................................................8 5 地基检测................................................................................................................10 5.1 一般规定.......................................................................................................10 5.2 天然地基检测...............................................................................................12 5.3 处理土地基检测...........................................................................................12 5.4 复合地基检测...............................................................................................13 6 浅基础检测............................................................................................................15 6.1 一般规定.......................................................................................................15 6.2 基础现状调查...............................................................................................15 6.3 钢筋探测.......................................................................................................16 6.4 基础混凝土强度检测...................................................................................16 7 基桩检测................................................................................................................18 7.1 一般规定.......................................................................................................18 7.2 既有建筑基桩静载法...................................................................................19 7.3 既有建筑物基桩钻芯法...............................................................................21 7.4 既有建筑基桩旁孔透射法...........................................................................21 7.5 既有建筑基桩低应变法...............................................................................25 7.6 既有建筑基桩磁测井法...............................................................................27 8 加固基础检测........................................................................................................29 8.1 一般规定.......................................................................................................29 8.2 扩大基础.......................................................................................................29 8.3 新增微型桩...................................................................................................29 8.4 地基注浆加固...............................................................................................29 9 变形监测................................................................................................................31 9.1 一般规定.......................................................................................................31 9.2 沉降监测.......................................................................................................31 9.3 水平位移监测...............................................................................................32 9.4 裂缝监测.......................................................................................................33 9.5 深层水平位移监测.......................................................................................33 9.6 土体分层沉降监测.......................................................................................34 9.7 地下水位监测...............................................................................................35 9.8 振动监测.......................................................................................................35 10 地基基础鉴定......................................................................................................36 10.1 一般规定.....................................................................................................37 10.2 地基基础鉴定.............................................................................................37 10.3 评定方法和分级标准.................................................................................38 10.4 地基基础安全性评级.................................................................................39 本规范用词说明..........................................................................................................41 引用标准名录..............................................................................................................42 条文说明......................................................................................................................43
DBJ/T 15-191-2020 备案号J15227-2020
既有建筑地基基础检测鉴定技术规范
Technical specification for inspection and identification of foundations of existing buildings
（预览版）
2020-10-01 实施
2020-07-04 发布 目 次 1 总则..........................................................................................................................1 2 术语和符号..............................................................................................................2 2.1 术语.................................................................................................................2 2.2 符号.................................................................................................................2 3 基本规定..................................................................................................................3 4 勘察..........................................................................................................................7 4.1 一般规定.........................................................................................................7 4.2 勘探与测试.....................................................................................................7 4.3 勘察成果报告.................................................................................................8 5 地基检测................................................................................................................10 5.1 一般规定.......................................................................................................10 5.2 天然地基检测...............................................................................................12 5.3 处理土地基检测...........................................................................................12 5.4 复合地基检测...............................................................................................13 6 浅基础检测............................................................................................................15 6.1 一般规定.......................................................................................................15 6.2 基础现状调查...............................................................................................15 6.3 钢筋探测.......................................................................................................16 6.4 基础混凝土强度检测...................................................................................16 7 基桩检测................................................................................................................18 7.1 一般规定.......................................................................................................18 7.2 既有建筑基桩静载法...................................................................................19 7.3 既有建筑物基桩钻芯法...............................................................................21 7.4 既有建筑基桩旁孔透射法...........................................................................21 7.5 既有建筑基桩低应变法...............................................................................25 7.6 既有建筑基桩磁测井法...............................................................................27 8 加固基础检测........................................................................................................29 8.1 一般规定.......................................................................................................29 8.2 扩大基础.......................................................................................................29 8.3 新增微型桩...................................................................................................29 8.4 地基注浆加固...............................................................................................29 9 变形监测................................................................................................................31 9.1 一般规定.......................................................................................................31 9.2 沉降监测.......................................................................................................31 9.3 水平位移监测...............................................................................................32 9.4 裂缝监测.......................................................................................................33 9.5 深层水平位移监测.......................................................................................33 9.6 土体分层沉降监测.......................................................................................34 9.7 地下水位监测...............................................................................................35 9.8 振动监测.......................................................................................................35 10 地基基础鉴定......................................................................................................36 10.1 一般规定.....................................................................................................37 10.2 地基基础鉴定.............................................................................................37 10.3 评定方法和分级标准.................................................................................38 10.4 地基基础安全性评级.................................................................................39 本规范用词说明..........................................................................................................41 引用标准名录..............................................................................................................42 条文说明......................................................................................................................43
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