기술사 (Journal of the Korean Professional Engineers Association)
- 제24권3호
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- Pages.43-50
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- 1991
암반 등급분류를 위한 기초 물성조사 보고서
Basic properties survey report on the rock classification
초록
On the ground foundation works for Bldg site, Rock classification test can be obtained as follows due to the International Society for Rock Mechanics. 1. In-take test ; Compression strength, Point load test. 2. In-situ test : Schmidt hammer test. Burden test finaly the convinient co-relation table between strength and S.H. test were carried out for site-engineer. This project is one of contineous works regarding to Burden test from Jack leg drill( ø 36mm) to Crawler drill( ø 75mm) use.
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