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一、选题理由八○年我队建立了攻关QC小组,针对分项工程上存在的各种质量通病,进行调查分析,在七九年工程质量经济损失统计中,我们看到,地坪开裂起砂现象最为严重,占总损失的67.17％强,为此,我QC小组决定,把攻克地坪开裂起砂问题作为小组活动的第一个课题。二、原因分析我们在施工现场,应用“因果分析”方法,按照人、工具、材料、方法、环境五大因素,对地坪开裂起砂进行分析。
I. Reasons for the topic In 2008, our team established the QC team to investigate and analyze the various quality problems that existed in the sub-projects. In the statistics of the economic loss of engineering quality in 1979, we saw that the cracking of the floor The sand-sanding phenomenon was the most serious and accounted for 67.17% of the total loss. For this reason, my QC team decided to tackle the issue of cracking and sanding on the floor as the first task of the group activity. Second, the cause of the analysis We at the construction site, the application of “causal analysis” method, in accordance with people, tools, materials, methods, environmental five factors, the cracking of the floor to analyze the sand.