3.2 토질조사 ································································································ 3-5

3.2.1 조사개요 ········································································································ 3-5

3.3 재료원 조사 ··························································································· 3-9

3.3.1 재료원조사 결과 ························································································· 3-9

3.3.2 토취장 조사 ································································································ 3-12

3.4 수문 및 구조물 조사 ·········································································· 3-13

3.4.1 수문조사 ······································································································ 3-13

3.4.2 배수구조물 조사 ······················································································· 3-21

3.4.3 수

문 ······································································································ 3-23

3.4.4 하천 현황 ···································································································· 3-24

3.5 기존도로 조사 ····················································································· 3-25

3.5.1 개

요 ······································································································ 3-25

3.5.2 기존도로 현황 ··························································································· 3-25

3.6 지하매설물 조사 ················································································· 3-27

3.7 용지 및 지장물조사 ················································································· 3-29

3.7.1 개

요 ······································································································ 3-29

3.7.2 용지조사 ······································································································ 3-29

3.7.3 지장물조사 ·································································································· 3-29

3.8 문화재 지표조사 ················································································· 3-30

3.8.1 개

요 ······································································································ 3-30

3.8.2 공구별 조사내용 ······················································································· 3-30

3.8.3 조사결과 ······································································································ 3-31
제 4 장 실시설계 ······································································ 4-1

4.1 선형설계 ··········································································································· 4-1

4.1.1 개

요 ······································································································ 4-1

4.1.2 평면선형 ········································································································ 4-1

4.1.3 종단선형 ········································································································ 4-6

4.2 토공설계 ······································································································· 4-11

4.2.1 비탈면 안정검토 결과 ············································································· 4-11

4.2.2 비탈면 보호공법 선정결과 ···································································· 4-26

4.2.3 비탈면 계측계획 ······················································································· 4-26

4.2.4 비탈면 경보시스템 구축 ········································································ 4-29

4.2.5 암발파 적용 현황 ····················································································· 4-32

4.2.6 토공량 ·········································································································· 4-36

4.2.7 사토 처리계획 ··························································································· 4-37