【正文】
圖。 D (DO) that is implemented according to plan。 Construction of the requirement for the factory concrete track control, timely feedback of quality of concrete cases, for production control。 And makes mass concrete implement continuous and seamless construction possible. (5) the protection and improvement of the environment. Use of mercial concrete can save land for construction, reduce the waste of resources. (6) to reduce construction site materials piled up in the area, to avoid traffic jams. Avoid built a building, the damage is a way of the status quo, keep the construction environment clean and tidy, civilized construction. 3 Quality Control Tools There are a couple of good tools that can be used to control quality on a project, these are cause and effect diagrams, Pareto charts and control charts: Cause and Effect Diagram, also known as fishbone diagrams or Ishikawa diagrams (named after Kaoru Ishikawa, a Japanese quality control statistician, who developed the concept in the 1960s, and is considered one of the seven basic tools of quality management) It is named fishbone diagram because of their fishlike appearance, it is an analysis tool that provides a systematic way of looking at effects and the causes that create or contribute to those effects. The Ishikawa Diagram is employed by a problemsolving team as a tool for assembling all inputs (as to what are the causes of the problem they39。 因果圖 4 商品混凝土質量控制措施 混凝土的質量由原材料、生產設備、有關人員三個因素構成,也就是所謂的硬件和軟件。 ( 6)減少建筑地盤材料堆放的占地面積,避免交通堵塞。 因此,商品混凝土是現代