Combined with practical work construction method is adopted,which utilize manual hole digging method in upper part and machine-dug method in under part with rich water.

The construction technology and application effect of manual hole digging pile, pile-drilling technique with plywood-pieces sandwiching foam board stick in pile and anchor pile are introduced in cutting and side slope excavation with soft erupt rockmass.

The construction method combing manual hole digging with machine dimensions drilling are outlined.

At present,most of the mountain-crossing tunnels in China are constructed by manual excavation method,which can not satisfy the requirements of rapid tunnel excavation due to its low mechanization and automatization level.

Construction of manual hole digging pile in sea-filling area with hydraulic fill sand;

The application of manual hole digging pile in building foundation design;

According to the actual condition of the Danjiangkou Reservoir, the measures for controlling sediment accumulation such as water and soil conservation, desilting by hydraulic structures, silt digging artificially are adopted in combination with each other.