방음벽 기초 설계기준 검토 및 표준도2004.12

방음벽 기초 설계기준 검토 및 표준도 작성 연구
최종보고서
2004. 12.
연구기관 / 한국건설기술연구원

건설교통부

제 1 장 서 론 ······································································································ 1
1.1 과업의 배경 ······································································································· 1
1.2 과업의 개요 ······································································································· 1
1.2.1 과업의 목적 ································································································· 1
1.2.2 과업의 범위 및 내용 ················································································· 2
제 2 장 고속도로용 방음벽 기초 표준도와 비교 ···································· 3
2.1 기초의 형태 ······································································································· 3
2.2 기초의 높이 ······································································································· 4
2.3 설계 풍하중 ····································································································· 4
2.4 자동차 충돌하중 ······························································································ 4
제 3 장 태풍 매미호(2003.9) 내습시 방음벽 파손 사례조사 ············ 7
3.1 파손사례-1 ········································································································ 7
3.2 파손사례-2 ········································································································ 9
제 4 장 설계기준 쟁점 사항 ············································································· 11
4.1 기초의 적정 돌출높이 ·················································································· 11
4.1.1 관련 규정 조사 ························································································· 11
4.1.2 검토 결과 ··································································································· 12
4.2 설계 풍하중의 적정 크기 ············································································ 12
4.2.1 관련 규정 조사 ························································································· 12
4.2.2 검토 결과 ··································································································· 19
4.3 자동차 충돌하중의 적정 크기 ··································································· 21
4.3.1 관련 규정 ··································································································· 21
4.3.2. 검토 결과 ·································································································· 21
4.4 설계 개선사항 도출 ······················································································ 22
제 5 장 방음벽 기초의 설계 ········································································ 23
5.1 설계 기준 ········································································································· 23
5.2 안정 검토 ········································································································· 24
제 6 장 개선 효과 ······························································································· 27
6.1 안전성 ··············································································································· 27
6.2 경제성 ··············································································································· 27
6.2.1 제원 ············································································································· 28
6.2.2 기존기초와 개선기초의 공사비 비교 ··················································· 29
6.2.3 L형기초와 직벽형기초 공사비 비교 - 신설 도로상 설치 ·············· 31
6.2.4 L형기초와 직벽형기초 공사비 비교 - 기존 도로상 설치 ·············· 33
제 7 장 결 론 ······································································································ 35
부 록 1 : 국도건설공사 설계실무요령(2004. 4.) 중 관련 변경내용
(설계요령, 수량산출요령, 수량내역서, 단가산출요령, 도면)
부 록 2 : 공사비 비교 산출 근거