LARGE DIAMETER UNDERGROUND STRUCTURE CONSTRUCTION METHOD USING MULTI-DRILLING BUCKET AND CONSTRUCTION EQUIPMENT

摘要

The present invention provides a large diameter underground structure construction method using a multi-drilling bucket and large diameter underground structure construction equipment which comprises: an oscillator (20); a soft rock drilling bucket (100); and a hard rock drilling bucket (200). The soft rock drilling bucket (100) comprises: a body (110); a storage hopper (140); and a discharge member (150). The hard rock drilling bucket (200) comprises: a body (210); a storage hopper (240); and a discharge member (250). According to the present invention, a construction period of time can be significantly reduced.;COPYRIGHT KIPO 2017