受2011年及以前几起恶性的工程事故影响,进入2012年后,各地均加强了对混凝土的质量监管力度。同时,像北京、上海、广东、山东、江苏、浙江、湖南、重庆、辽宁等混凝士发展较快的省市纷纷建立混凝土质量管理机制,出台相关管理办法。2012年,多数地方的搅拌站管理人员和技术人员反馈,上级主管部门对混凝土搅拌站的监督检查管理加强了,其中不 Affected by several vicious engineering accidents in 2011 and before, in 2012, the quality control of concrete was strengthened everywhere. In the meantime, provinces and cities such as Beijing, Shanghai, Guangdong, Shandong, Jiangsu, Zhejiang, Hunan, Chongqing and Liaoning that have developed rapidly have set up concrete quality management mechanisms and introduced relevant management measures. In 2012, the majority of local mixing station managers and technicians were fed back, and supervisory and supervisory inspection and management of the concrete mixing plant was strengthened at the higher level. No