地基基础工程技术交底.pdf

个人资料整理仅限学习使用1/7 技 术 交 底 记 录2018年 1 月 20 日工程名称青岛李沧万达广场工程分部工程地基基础工程分项工程名称石方爆破工程交底内容:一、施工准备工作1、主要机械、工具：Y26手持凿岩机2、作业条件：本工程场地周围环境比较复杂，行人及车辆较多，因此对爆破安全要求高，为保证爆破施工安全，爆破施工前，凡是参加本工程爆破的工作人员，都必须经过培训，考试合格并持有合格证。有关技术人员必须仔细阅读岩土地质报告，充分了解本工程爆破范围内岩石类别、熟悉岩石的主要物理力学性质及其动力学特征的基础上，只有这样才能取得良好的爆破效果，把岩石分为若干类别，指导岩石钻眼、选择施工方法以及确定爆破器材消耗，指导爆破施工。重点考虑靠近建筑物处若有石方爆破应尽量采用钻浅孔、少装药、放小炮的爆破方式进行。3、材料要求：1）应根据岩石性质、爆破规模、爆破环境条件，选用爆破材料。爆破材料的主要性能、规格、质量应满足国家有关标准。2）爆破器材的现场测试、检验:在实施爆破作业前应对所使用的爆破器材进行外观检查；对电雷管进行电阻值测定；对使用的仪表、电线、电源进行必要的性能检验。二、施工进度要求2018年 1月 20日2018 年2月 14日三、施工工艺1.石方爆破工程工艺流程技术负责人交底人接收人个人资料整理仅限学习使用2/7 录记底交术技2018 年 1 月 20 日工程名称青岛李沧万达广场工程分部工程地基基础工程分项工程名称石方爆破工程文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 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2、施工要点：1）打孔打孔前，应将孔位周围松散的土石清理干净，并对打孔工具进行细致的检查，对不符合要求的进行修理与更换。打孔人员必须精力集中，做到稳、准、狠，扶钎要平直，注意保持钢钎的方向。打孔人员应严格按照技术人员规定的打眼深度、位置进行打眼。不得乱打与超深打眼。2）放药由于环境所限，必须采用打密孔、少装药松动塑料导爆管雷管MS延时爆破网路，根据不同距离及相应的允许安全药量分段，可采用孔内外相结合控制延时，段位间隔为不小于75MS。3）爆破：为保证岩石开挖工程质量，确保标高没有误差，在进行本层的爆破施工时，爆破部分必须按设计基底标高，精确测量爆破打眼的深度，并随时校核，因爆破时有一个起爆系数，即打眼深度与爆破深度并不一致，因此，爆破打眼的深度应大于设计标高深度0.20M，每层爆破深度2.5m，炮眼间距1.5m，确保水平标高符合设计要求，爆破后挖掘机立即清理石渣，技术人员校核标高。在挖到设计标高时，技术人员应将标高控制在比设计标高10cm 左右，这样可保证清理路基后正好达到图纸设计底标高。4）基底清理本工程为机械土石方开挖及外运工程，当爆破、开挖至设计底标高时，挖掘机对基底碎石进行清理，并配合土建单位的人工清槽，将人工清运至挖掘机傍边的石渣进行装车、外运。若基底有零星未达到设计标高的位置，可采用放小炮的方式进行整平。技术负责人交底人接收人录记底交术技文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 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HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1个人资料整理仅限学习使用4/7 2018 年 1 月 20 日工程名称青岛李沧万达广场工程分部工程地基基础工程分项工程名称石方爆破工程5）支护与石方开挖挖掘机协助支护清理工作面，土石方开挖与锚杆、喷面穿插施工。四、控制要点1）控制爆破地震波对边坡稳定性、支护、及周边建筑物的危害；降低爆破噪音对周边人员工作、生活的危害。柱基、基坑、基槽、管沟场地平整水下爆破1 标高+0-100+100-300+0-400 2 长度、宽度-0+200-100+400-0+1000 3 边坡偏陡不允许不允许不允许2、保证措施1）第一次爆破前对开挖裸露的岩层爆破区域进行高程测量，确定岩层厚度，均匀分配爆破深度，防止最后一次爆破深度过小，产生飞石；2）对爆破区域进行清理，复测标高，记录爆破数据每孔用药量、孔深、实际爆破深度等）；技术负责人交底人接收人录记底交术技文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 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13 14 15 16 17 药量 kg 0.88 1.14 1.45 1.81 2.23 2.70 3.24 距离 m 18 19 20 21 22 23 24 药量 kg 3.85 4.53 5.28 6.11 7.03 8.03 9.12 距离 m 25 26 27 28 29 30 31 药量 kg 10.31 11.6 13.0 14.5 16.1 17.9 19.7 2、凿岩机操作人员应戴口罩、手套等防护用品，按照操作规程进行操作；3、施工现场周围用彩钢瓦构筑围挡加强防护，爆破作业现场设立警示牌，以免无关人员进入，施工现场爆破人员应持证上岗；4、专人负责保管爆破器材，严格遵守领用制度，禁止违规使用；5、保证炮孔的堵塞长度和质量，用沙袋，炮被覆盖炮孔，防止飞石；6、施爆时发出声响信号和视觉信号，使危险区内人员能听到能看到。主要路段设置岗哨，阻止行人和车辆进入危险区。第一次信号：预告信号，所有与爆破无关的人员应立即撤到危险区域外，或撤到指定的安全地点，向危险区域边界派出境界人员；第二次信号：起爆信号，确认人员、设备全部撤离危险区域后，具备安全起爆条件时，发出起爆信号，根据这个信号准许起爆员起爆。第三次信号：解除警戒信号，未发出解除警戒信号前，岗哨应坚守岗位，出爆破检查人员外，任何人员不得进入危险区，经检查确认安全后，方准发出解除危险信号；7、爆破装药、填塞工作规定成孔后，炸药的装入与填塞对爆破的质量非常重要，同时装药、填塞具有一定的危险性，因此装药、填塞人员必须认真执行以下规定，同时爆破技术人员在现场指导装药与填塞工作，确保施工安全。文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 ZZ3X2B3A6M1文档编码:CS9Q5Y6C8Y2 HM8H6K1F8P9 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