DBJ∕T 13-28-2016 福建省基础工程钻芯法检测技术规程

0福建省工程建设地方标准DB工程建设地方标准编号：DBJ/T13-28-2016住房和城乡建设部备案号：J13442-2016福建省基础工程钻芯法检测技术规程TechnicalspecificationofcoredrillingmethodforFoundationengineeringinFujian2016-05-06发布2016-08-01实施福建省住房和城乡建设厅DownloadFrom福建省工程建设地方标准福建省基础工程钻芯法检测技术规程TechnicalspecificationofcoredrillingmethodforFoundationengineeringinFujian工程建设地方标准编号：DBJ/T13-28-2016住房和城乡建设部备案号：J13442-2016主编单位：福建省建筑设计研究院批准部门：福建省住房和城乡建设厅施行日期：2016年08月01日DownloadFrom福建省住房和城乡建设厅关于发布省工程建设地方标准《福建省基础工程钻芯法检测技术规程》的通知闽建科[2016]19号各设区市建设局（建委），平潭综合实验区交通与建设局，各有关单位：由福建省建筑设计研究院主编的《福建省基础工程钻芯法检测技术规程》，经审查，批准为福建省工程建设地方标准，编号DBJ/T13-28-2016，自2016年8月1日起实施。原《基桩钻芯法检测技术规程》DBJ13-28-1999同时废止。在执行过程中，有何问题和意见请函告省厅建筑节能与科技处。该标准由省厅负责管理。福建省住房和城乡建设厅2016年5月6日DownloadFrom关于同意福建省《福建省基础工程钻芯法检测技术规程》地方标准备案的函建标标备[2016]109号福建省住房和城乡建设厅：你厅《关于报送福建省工程建设地方标准＜福建省基础工程钻芯法检测技术规程＞备案的函》（闽建科函[2016]43号）、《关于报送省工程建设地方标准福建省钢铁渣粉混凝土应用技术规程备案的函》（闽建科函[2016]44号）收悉。经研究，同意该2项标准作为“中华人民共和国工程建设地方标准”备案，其备案号为：福建省基础工程钻芯法检测技术规程J13442-2016福建省钢铁渣粉混凝土应用技术规程J13443-2016该2项标准的备案号，将刊登在国家工程建设标准化信息网和近期出版的《工程建设标准化》刊物上。住房和城乡建设部标准定额司2016年5月24日DownloadFrom前言本规程是根据福建省住房和城乡建设厅《关于2014年度工程建设行业标准修订计划的通知》省建标[2014]45号文的要求，由福建省建筑设计研究院会同有关勘察、设计、研究和检测单位，对《基桩钻芯法检测技术规程》DBJ13-28-1999修订而成。在规程修订过程中，进行了调査分析和对比试验，认真总结了近年来我省钻芯法检测技术和施工经验，并以多种方式征求了有关单位的意见，最后经审查定稿。本规程共分十章和四个附录，主要技术内容有：总则、术语和符号、基本规定、检测设备、现场检测技术要求、芯样试件截取与抗压强度试验、检测成果的分析与判定、检测结果质量评定、验证与扩大检测和承载力验算与补强处理技术及有关附录。本规程修订的主要内容：1总则中，扩大钻芯法检测基础工程技术的应用范围。工程实践经验证明，在民用建筑和市政基础工程质量检测中，钻芯法不但适用于各类混凝土灌注桩，凡是可采用钻芯法检测技术评定工程质量的基础工程地下结构，如：地下连续墙和竖向增强体（系指复合地基中强度等级为C8～C15有粘结强度的深层搅拌桩、旋喷桩、CFG桩的统称）等，均列入本“规程”检测适用范围。因此，评审专家意见：标准名称建议改为《基础工程钻芯法检测技术规程》；2现场检测技术要求中，增加地下连续墙和竖向增强体（深层搅拌桩、旋喷桩、CFG桩）的钻芯法技术要求和质量评定方法；补充按不同桩径，确定钻芯孔数及开孔位置；补充根据桩底持力层岩土性状，采用不同的试验方法；3芯样试件截取与抗压强度试验中，补充混凝土芯样试件截取位置和要求；增加对桩底岩石芯样抗压强度试验；4在检测成果的分析与判定中，补充两孔、三孔桩身完整性分类特征与评定；5混凝土芯样抗压强度评定中，补充基桩（墙）混凝土芯样强度平均最小检测值进行质量评定的要求和规定；DownloadFrom增加验证与扩大检测和承载力验算与补强处理技术；7补充附录B钻芯法检测记录表和附录D补强处理方法与技术要求。本规程由福建省建筑设计研究院负责具体技术内容的解释。本规程在执行过程中如有意见或建议，请寄送福州市通湖路188号邮编350001，福建省建筑设计研究院规范、规程管理办公室。本规程主编单位：福建省建筑设计研究院本规程参编单位：福建天闽建设工程检测有限公司福州市建筑设计院福建省建设工程物探试验检测中心福建省地质工程研究院福建省永正工程质量检测有限公司福建泉州勘测设计院有限公司福建省闽宏建材实业有限公司福建省华荣建设集团有限公司本规程主要起草人员：林胜天董金荣朱德昌蔡洪美邓鼎兴晁鹏飞李清华李春林本规程主要审查人员：赖树钦施峰严可煊郑也平张秀义梁晓劼陈苓DownloadFrom目次1总则····························································12术语和符号······················································22.1术语·······················································22.2符号·······················································33基本规定·······················································53.1一般规定···················································53.2检测桩（槽段）的数量·····································63.3检测芯样直径··············································64检测设备·······················································74.1检测机具一般规定···········································74.2芯样锯切机与平整要求·······································74.3压力试验机选择与技术要求···································75现场检测技术要求················································95.1一般规定···················································95.2检测芯样孔数和开孔位置·····································95.3持力层检测技术要求········································105.4现场芯样编录技术要求······································116芯样试件截取与抗压强度试验·····································126.1一般规定··················································126.2芯样试件截取数量··········································126.3芯样试件加工技术要求·····································126.4芯样试件抗压强度试验······································137检测成果的分析与判定···········································147.1桩（墙）身完整性判定标准····································147.2芯样试件抗压强度评定方法··································157.3持力层岩土性状判定········································177.4沉渣厚度判定··············································187.5桩长、墙深允许误差·········································18DownloadFrom检测结果质量评定··············································208.1一般规定··················································208.2检测质量评定标准··········································209验证与扩大检测················································239.1验证······················································239.2扩大检测··················································2310承载力验算与补强处理技术······································2410.1承载力验算················································2410.2补强处理技术··············································24附录A检测报告的基本要求·········································25附录B钻芯法检测记录表···········································27附录C混凝土芯样加工及技术要求···································29附录D补强处理方法与技术要求·····································30本规程用词说明·····················································35引用标准名录·······················································36附：条文说明·········