SL中华人民共和国水利行业标准SL/T291—2020替代SL291—2003水利水电工程钻探规程Codeofdrillingforwaterandhydropowerprojects2020-U-30发布2021-02-28实施中华人民共和国水利部发布ICS93.020P13中华人民共和国水利部关于批准发布《水工建筑物水泥灌浆施工技术规范》等7项水利行业标准的公告2020年第23号中华人民共和国水利部批准《水工建筑物水泥灌浆施工技术规范》(SL/T62-2020)等7项为水利行业标准，现予以公布。序号标准名称标准编号替代标准号发布日期实施日期1水工建筑物水泥灌浆施工技术规范SL/T62—2020SL62—20142020.11.302021.2.282水利水电工程压力钢管设计规范SL/T281—2020SL281—20032020.11.302021.2.283水利水电工程钻探规程SL/T291—2020SL291—20032020.11.302021.2.284水利水电工程地质测绘规程SL/T299—2020SL299—20042020.11.302021.2.285水工混凝土试验规程SL/T352—2020SL352—20062020.11.302021.2.28续表序号标准名称标准编号替代标准号发布日期实施日期6水工纤维混凝土应用技术规范SL/T805—20202020.11.302021.2.287水利水电工程水泵基本技术条件SL/T806—20202020.11.302021.2.28水利部2020年∏月30日目次1总则....................................................12术语和符号..............................................22.1术语...............................................22.2符号...............................................33基本规定................................................44准备工作................................................64.1作业计划...........................................64.2钻进方法选择.......................................64.3设备机具选择与使用.................................74.4作业准备...........................................85钻探方法与工艺.........................................105.1硬质合金钻进......................................105.2金刚石钻进........................................135.3绳索取心钻进......................................175.4金刚石复合片钻进..................................205.5冲击钻进.........................................215.6液动冲击回转钻进................................225.77空气潜孔锤钻进.................................245.8其他钻进方法......................................276定向钻探...............................................296.1钻孔设计.........................................296.2造斜机具与测量仪器的选择..........................296.3钻进作业..........................................307水域钻探...............................................347.1一般规定.........................................347.2漂浮钻场.........................................357.3架空钻场.........................................377.4冰上钻探.........................................398冲洗液和护壁堵漏.......................................408.1冲洗液...........................................408.2护壁堵漏.........................................429钻孔取样...............................................469.1土样采取.........................................469.2岩心采取.........................................509.3定向取心.........................................529.4土试样、岩心保护与管理..........................549.5水文地质观测与水样采取...........................5510孔内事故预防和处理...................................5810.1孔内事故预防......................................5810.2孔内事故处理....................................5911钻探质量与验收.......................................6111.1钻探质量..........................................6111.2钻探验收................................
