探讨了土石方开挖的主要技术问题，并提出作者的见解。
The main problems of the earth and rock excavation is discussed and the writer's opinions put forward.
在水利水电工程石方开挖施工中，常遇到施工用风优化配置问题。
In exploding rock of hydraulic engineering construction, there is often a problem on optimizing disposition of wind-force for construction.
① 石方开挖根据岩石类别、风化程度和节理发育程度，确定开挖方法。
Stonework excavation is based on stone type, weathering degree and joint develop degree.
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