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引发建筑安全事故的原因总体上可以分为直接原因、间接原因和基础原因三大类。直接原因:人、物、环境的不安全状态直接原因是指物、环境以及人的不安全状态的原因。物的不安全状态包括机械、设备老化不良,材料质量不合格等。它们构成了施工中的隐患和危险源,当满足一定条件时就会转化成事故。环境的不安全状态包括自然环境的不安全状态和工作环境的不安全状态。自然环境的不安全状态会增加施工难度,工作环境的不安全状态会引起工人的情绪变化,增加其疲劳强度,这些都使得事故发生的几率
The causes of construction safety accidents on the whole can be divided into direct, indirect and basic causes of three categories. The direct cause: people, things, the unsafe state of the environment The direct cause refers to objects, the environment and the reasons for the unsafe condition of people. Unsafe conditions of the material include mechanical, poor aging equipment, material quality and other unqualified. They constitute a hidden danger and a source of danger in construction, and will be transformed into an accident when certain conditions are met. The unsafe condition of the environment includes the unsafe condition of the natural environment and the working environment. The unsafe natural environment will increase the construction difficulty, the unsafe working conditions will lead to emotional changes in workers, increasing their fatigue strength, which makes the accident probability