我国是世界上基础建设投资最大的国家。2013年全国建筑业固定资产投资3532.3亿元,房屋施工面积113亿平方米,建筑业从业人数达4500万人。众多巨大的工程项目建设和庞大的从业人员规模使建筑业的风险剧增。近年来,我国建筑安全事故频发,形势十分严峻。建筑业属劳动密集型行业。人是建筑施工生产活动的主要生产要素之一,建筑业员工是建筑事故产生的主动因素和直接受害者。根据安全管理 China is the country that has the largest infrastructure investment in the world. In 2013, the fixed asset investment in the construction industry was 353.23 billion yuan, the housing construction area was 11.3 billion square meters, and the construction industry employed 45 million people. Many huge construction projects and a large scale of employees so that the construction industry’s risk surge. In recent years, China’s construction accidents are frequent, the situation is very grim. Construction is a labor-intensive industry. People are one of the main production factors of construction and construction activities. The construction workers are the active factors and immediate victims of construction accidents. According to safety management