[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"news-1000000000000002123":3,"session-user":16,"\u002Fapi\u002Fnews\u002Flist?categoryId=1000000000000000003&orderByColumn=publishTime&isAsc=desc&pageSize=5":17},{"id":4,"articleNo":5,"categoryId":6,"categoryName":7,"title":8,"summary":9,"content":10,"publishTime":11,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":13,"collectCount":14,"updateTime":11,"contentHtml":15},"1000000000000002123","q124","1000000000000000003","问答分类","在覆盖层或土层钻进应该注意些什么?","在覆盖层或土层钻进应该注意些什么呢?","在覆盖层或土层钻进应该注意些什么呢?\n\n要对钻探地区覆盖层或土层的土质、含水量、含泥量、含砂量、塑性、砂粒径、胶结力、深度进行细致地了解。做出技术施工方案，采用合理的钻进方法。\n\n1：钻进转数要慢、压力要轻、水量尽量大。\n\n2：如果使用复合片钻头钻进，钻头水口较深、较宽，嵌入土层也就深，需要回转力相应也大。由于钻机动力小，扭矩小。在操作钻机时，钻具到达井底钻进后，感觉动力有所降低，应立即向上提动，进行上下往复循环窜动。利用其惯力来加压快像钻进。不能像其他钻机那样，一味加压进行钻进。\n\n3：有条件的情况下，尽量使用低固相泥浆作为冲洗液。\n\n4：覆盖层或土层较深、较软或胶结能力差的地区，可采用跟管钻进的方法进行施工，有利于提高小时效率。\n\n       5：根据地层情况，改进钻探工具，保证其钻进质量。","2021-07-03T16:41:07+08:00","N",793,0,"\u003Cp>在覆盖层或土层钻进应该注意些什么呢?\u003C\u002Fp>\n\u003Cp>要对钻探地区覆盖层或土层的土质、含水量、含泥量、含砂量、塑性、砂粒径、胶结力、深度进行细致地了解。做出技术施工方案，采用合理的钻进方法。\u003C\u002Fp>\n\u003Cp>1：钻进转数要慢、压力要轻、水量尽量大。\u003C\u002Fp>\n\u003Cp>2：如果使用复合片钻头钻进，钻头水口较深、较宽，嵌入土层也就深，需要回转力相应也大。由于钻机动力小，扭矩小。在操作钻机时，钻具到达井底钻进后，感觉动力有所降低，应立即向上提动，进行上下往复循环窜动。利用其惯力来加压快像钻进。不能像其他钻机那样，一味加压进行钻进。\u003C\u002Fp>\n\u003Cp>3：有条件的情况下，尽量使用低固相泥浆作为冲洗液。\u003C\u002Fp>\n\u003Cp>4：覆盖层或土层较深、较软或胶结能力差的地区，可采用跟管钻进的方法进行施工，有利于提高小时效率。\u003C\u002Fp>\n\u003Cp>       5：根据地层情况，改进钻探工具，保证其钻进质量。\u003C\u002Fp>\n",null,{"items":18,"total":54,"pageNum":55,"pageSize":56},[19,26,33,40,47],{"id":20,"articleNo":21,"categoryId":6,"categoryName":7,"title":22,"summary":23,"publishTime":24,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":25,"collectCount":14,"updateTime":24},"1000000000000002438","q439","您刚才提到了花管的长度最好1.5米，我有个疑问，比如，打一口井，总共10米深，地下水位在2米左右，含水层第一层是粉质粘土层，下面是砂土层，如果花管在砂土层的位置，水一般从砂土层开始渗入，最后采水样的时","您刚才提到了花管的长度最好1.5米，我有个疑问，比如，打一口井，总共10米深，地下水位在2米左右，含水层第一层是粉质粘土层，下面是砂土层，如果花管在砂土层的位置，水一般从砂土层开始渗入，最后采水样的时候，检测的数值，能更好地反映污染状况吗？","2023-07-27T20:43:58+08:00",2111,{"id":27,"articleNo":28,"categoryId":6,"categoryName":7,"title":29,"summary":30,"publishTime":31,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":32,"collectCount":14,"updateTime":31},"1000000000000002418","q419","《关于加强国土空间详细规划工作的通知》提高详细规划编制水平的技术支撑手段有哪些？","《关于加强国土空间详细规划工作的通知》提高详细规划编制水平的技术支撑手段有哪些呢？","2023-05-07T19:29:48+08:00",1604,{"id":34,"articleNo":35,"categoryId":6,"categoryName":7,"title":36,"summary":37,"publishTime":38,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":39,"collectCount":14,"updateTime":38},"1000000000000002417","q418","城市进入存量发展阶段的详细规划，《关于加强国土空间详细规划工作的通知》有哪些针对性的引导要求？","城市进入存量发展阶段的详细规划，《关于加强国土空间详细规划工作的通知》有哪些针对性的引导要求呢？","2023-05-07T13:13:24+08:00",1655,{"id":41,"articleNo":42,"categoryId":6,"categoryName":7,"title":43,"summary":44,"publishTime":45,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":46,"collectCount":14,"updateTime":45},"1000000000000002416","q417","为什么这次《关于加强国土空间详细规划工作的通知》文件强调详细规划要立足资源资产关系？","为什么这次《关于加强国土空间详细规划工作的通知》文件强调详细规划要立足资源资产关系呢？","2023-05-07T13:12:31+08:00",1350,{"id":48,"articleNo":49,"categoryId":6,"categoryName":7,"title":50,"summary":51,"publishTime":52,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":53,"collectCount":14,"updateTime":52},"1000000000000002415","q416","《关于加强国土空间详细规划工作的通知》深化“多规合一”改革的目标是什么？新的详细规划方法有何变化？","《关于加强国土空间详细规划工作的通知》深化“多规合一”改革的目标是什么？新的详细规划方法有何变化呢？","2023-05-07T13:08:14+08:00",1388,139,1,5]