목 차
제 1 장 총 칙
1.1 적용범위 ············································ 1- 1
1.2 용어의 정의··········································· 1- 1
1.3 교량의 등급··········································· 1- 2
1.4 조 사·············································· 1- 2
1.5 계 획·············································· 1- 3
1.5.1 가설위치와 형식의 선정·········· ·························· 1- 3
1.5.2 구조규격············ ······························· 1- 3
1.5.3 교차조건··············· ···························· 1- 3
1.6 설계의 기본원칙········································· 1- 4
1.7 품질보증 요건·········································· 1- 4
1.8 설계도에 기재할 사항················ ······················ 1- 4
제 2 장 설계일반사항
2.1 하 중·············································· 2- 1
2.1.1 하중의 종류·········································· 2- 1
2.1.2 고정하중························ ··················· 2- 2
2.1.3 활하중···················· ························ 2- 2
2.1.4 충격······························· ·············· 2- 5
2.1.5 초과하중에 대한 검토······················· ·············· 2- 8
2.1.6 프리스트레스힘·································· ······ 2- 8
2.1.7 콘크리트의 크리프와 건조수축의 영향······························ 2- 9
2.1.8 토압·································· ··········· 2- 10
2.1.9 수압······································ ······· 2- 10
2.1.10 부력 혹은 양압력······································· 2- 11
2.1.11 풍하중············································ 2- 12
2.1.12 온도변화··········································· 2- 18
2.1.13 지진의 영향····································· ···· 2- 19
2.1.14 설하중············································ 2- 20
2.1.15 지반변동 및 지점이동의 영향························ ········· 2- 20
2.1.16 파압············································· 2- 20
2.1.17 원심하중 및 제동하중····································· 2- 21
2.1.18 가설시 하중······················· ·················· 2- 21
2.1.19 충돌하중··········································· 2- 22
2.2 설계방법 및 안전율···························· ··········· 2- 23
2.2.1 일 반············································· 2- 23
2.2.2 허용응력설계법······················ ·················· 2- 23
2.2.3 강도설계법······································ ···· 2- 25
2.3 사용재료······································ ······ 2- 30
2.3.1 강 재············································· 2- 30
2.3.2 콘크리트······································ ····· 2- 31
2.3.3 설계계산에 사용하는 물리상수···················· ············· 2- 32
2.4 받침, 신축이음장치 및 방호울타리····················· ··········· 2- 35
2.4.1 받침····························· ················ 2- 35
2.4.2 신축이음장치························· ················ 2- 38
2.4.3 방호울타리································· ········· 2- 38
2.4.4 연 석············································· 2- 40
2.4.5 배 수············································· 2- 41
2.4.6 교면포장··································· ········ 2- 41
2.4.7 부속시설····································· ······ 2- 41
2.4.8 부착시설물·························· ················ 2- 41
2.5 기 록·············································· 2- 42
2.5.1 교량대장················ ··························· 2- 42
2.5.2 교명판··························· ················· 2- 42
제 3 장 강 교
3.1 일 반 사 항··········································· 3- 1
3.1.1 적용범위····································· ······ 3- 1
3.1.2 용어의 정의·········································· 3- 1
3.1.3 기호······························ ··············· 3- 2
3.1.4 참고기준········································ ··· 3- 6
3.2 재료 및 설계일반······················· ················· 3- 7
3.2.1 설계일반··············· ···························· 3- 7
3.2.2 설계계산························· ·················· 3- 7
3.2.3 처짐의 허용값········································· 3- 7
3.2.4 설계의 전제조건········································ 3- 8
3.2.5 강재의 선정·········································· 3- 9
3.3 허 용 응 력··········································· 3- 10
3.3.1 일 반············································· 3- 10
3.3.2 강재의 허용응력········································ 3- 10
3.3.3 콘크리트의 허용응력······································ 3- 22
3.3.4 반복하중 및 인성에 대한 고려···················· ············· 3- 22
3.4 부재에 관한 일반사항·························· ············ 3- 33
3.4.1 총칙·································· ··········· 3- 33
3.4.2 압축응력을 받는 판 및 보강판······················· ·········· 3- 34
3.4.3 축방향력 및 휨모멘트를 받는 부재······················ ········· 3- 46
3.4.4 구멍 뚫린 판································· ········ 3- 47
3.4.5 ㄱ형 및 T형 단면을 갖는 압축부재························ ······· 3- 48
3.4.6 인장 ㄱ형강의 유효단면적····························· ······ 3- 50
3.4.7 수직브레이싱과 수평브레이싱·································· 3- 50
3.5 연결························· ····················· 3- 52
3.5.1 부재의 연결·········································· 3- 52
3.5.2 용접 이음··········································· 3- 53
3.5.3 고장력볼트 이음········································ 3- 58
3.5.4 핀이음······························· ············· 3- 67
3.6 바닥판································· ············ 3- 68
3.6.1 철근콘크리트 바닥판······································ 3- 68
3.6.2 강바닥판································ ··········· 3- 76
3.6.3 경험적 설계법········································· 3- 81
3.6.4 프리캐스트 바닥판······································· 3- 83
3.7 바닥틀··································· ·········· 3- 86
3.7.1 바닥틀의 지간········································· 3- 86
3.7.2 세로보의 자동차 윤하중 분포·································· 3- 87
3.7.3 연속세로보의 휨모멘트 및 전단력································ 3- 88
3.7.4 가로보의 자동차 윤하중 분포·································· 3- 89
3.7.5 바닥틀의 연결········································· 3- 89
3.7.6 수직브레이싱······························· ·········· 3- 90
3.8 플레이트 거더·········································· 3- 91
3.8.1 적용범위·································· ········· 3- 91
3.8.2 설계일반··································· ········ 3- 91
3.8.3 플랜지····································· ······· 3- 93
3.8.4 복부판······································ ······ 3- 98
3.8.5 수직보강재····································· ····· 3-102
3.8.6 수평보강재······································ ···· 3-105
3.8.7 하중집중점의 보강재······································ 3-106
3.8.8 수직브레이싱과 수평브레이싱·································· 3-107
3.8.9 중간다이아프램의 간격····································· 3-108
3.8.10 기타 구조세목····································· ··· 3-110
3.9 합성거더·········································· ·· 3-111
3.9.1 일반································· ············ 3-111
3.9.2 설계일반································ ··········· 3-112
3.9.3 허용응력································· ·········· 3-114
3.9.4 바닥판··································· ········· 3-117
3.9.5 전단연결재·································· ········ 3-117
3.9.6 강재 주거더의 플랜지 두께··································· 3-124
3.9.7 솟음······································· ······ 3-124
3.10 트러스············································· 3-125
3.10.1 적용범위··········································· 3-125
3.10.2 부재············································· 3-125
3.10.3 절점············································· 3-128
3.10.4 다이아프램·········································· 3-130
3.10.5 브레이싱··········································· 3-130
3.10.6 트러스의 2차응력······································· 3-132
3.10.7 포니트러스·········································· 3-132
3.10.8 바닥판을 직접 지지하는 현재················ ················· 3-132
3.10.9 솟음············································· 3-133
3.10.10 전체좌굴에 대한 검사···················· ················ 3-133
3.11 아 치······························ ··············· 3-134
3.11.1 적용범위··········································· 3-134
3.11.2 일 반 ············································ 3-134
3.11.3 변위의 영향···· ····································· 3-134
3.11.4 아치의 면외좌굴··· ···································· 3-136
3.11.5 아치부재의 설계···· ··································· 3-138
3.11.6 극한강도의 검사····· ·································· 3-139
3.11.7 행어 또는 지주········································ 3-139
3.11.8 처 짐··········· ································· 3-139
3.12 케이블············································· 3-140
3.12.1 적용범위··········································· 3-140
3.12.2 주케이블 및 행어의 종류·············· ····················· 3-140
3.12.3 강선 및 강봉··················· · ···················· 3-140
3.12.4 탄성계수··········································· 3-141
3.12.5 허용응력··········································· 3-141
3.12.6 피로설계··········································· 3-142
3.12.7 케이블의 진동····················· ··················· 3-143
3.12.8 온도하중··········································· 3-143
3.12.9 현수교용 케이블의 구조세목·································· 3-143
3.12.10 사장교용 케이블의 구조세목··············· ·················· 3-144
3.13 강관구조············································ 3-145
3.13.1 적용범위··········································· 3-145
3.13.2 강재············································· 3-145
3.13.3 허용응력··········································· 3-146
3.13.4 보강재············································ 3-151
3.13.5 강관의 연결···································· ····· 3-152
3.13.6 구조세목··········································· 3-152
3.14 라멘구조············································ 3-158
3.14.1 적용범위··········································· 3-158
3.14.2 구조해석의 기본사항············· ························ 3-158
3.14.3 설계일반··········································· 3-158
3.14.4 구조세목··········································· 3-169
3.14.5 라멘의 전체좌굴················ ······················· 3-169
3.14.6 합성응력의 검사·················· ····················· 3-171
3.14.7 라멘교의 처짐·················· ······················ 3-171
3.14.8 라멘교각의 처짐··············· ························ 3-172
3.14.9 π형 라멘교의 수평변위의 영향········· ······················· 3-173
3.14.10 방 식 ····················· ······················ 3-173
제 4 장 콘크리트교
4.1 일반사항········· ··································· 4- 1
4.1.1 적용범위········· ·································· 4- 1
4.1.2 용어의 정의·········································· 4- 1
4.1.3 기호············ ································· 4- 9
4.1.4 참고 기준··········································· 4- 19
4.1.5 설계일반··········· ································ 4- 20
4.1.6 설계계산의 정밀도······································· 4- 20
4.1.7 설계의 전제가 되는 시공조건·································· 4- 20
4.1.8 사용재료············ ······························· 4- 20
4.2 설계계산에 관한 일반사항······ ······························ 4- 21
4.2.1 일반사항·············· ····························· 4- 21
4.2.2 설계계산··············· ···························· 4- 21
4.2.3 재료의 설계기준값······································· 4- 26
4.3 구조상세················· ··························· 4- 33
4.3.1 일반사항················· ·························· 4- 33
4.3.2 형상 및 부재치수·············· ························· 4- 33
4.3.3 철근의 피복두께········································ 4- 33
4.3.4 철근의 표준갈고리와 구부리기·························· ······· 4- 35
4.3.5 철근의 간격 및 배치······································ 4- 38
4.3.6 휨부재의 철근········································· 4- 41
4.3.7 압축부재의 철근········································ 4- 43
4.3.8 기둥철근의 특별 배근상세··························· ········ 4- 45
4.3.9 건조수축 및 온도 철근····································· 4- 46
4.3.10 휨철근의 정착····································· ··· 4- 46
4.3.11 인장이형철근 및 이형철선의 정착길이···················· ········· 4- 48
4.3.12 압축 이형철근의 정착길이··································· 4- 51
4.3.13 다발철근의 정착길이································· ···· 4- 52
4.3.14 인장을 받는 표준갈고리의 정착···························· ···· 4- 52
4.3.15 인장 용접철망의 정착····································· 4- 54
4.3.16 기계적 정착····································· ···· 4- 55
4.3.17 복부철근의 정착···························· ··········· 4- 56
4.3.18 철근의 이음······························· ·········· 4- 57
4.3.19 인장 용접철망의 이음····································· 4- 60
4.4 강도설계법·································· ········· 4- 63
4.4.1 일반사항··································· ········ 4- 63
4.4.2 강 도············································· 4- 63
4.4.3 설계가정···································· ······· 4- 64
4.4.4 휨부재······································ ······ 4- 65
4.4.5 압축부재······································ ····· 4- 66
4.4.6 전단에 대한 설계··································· ···· 4- 76
4.4.7 비틀림에 대한 설계········ ······························ 4- 89
4.4.8 지압강도·············· ····························· 4- 96
4.4.9 사용성 설계·········································· 4- 96
4.5 허용응력설계법·············· ··························· 4-103
4.5.1 일반사항··············· ···························· 4-103
4.5.2 허용응력················· ·························· 4-103
4.5.3 휨부재···················· ························ 4-105
4.5.4 압축부재·················· ························· 4-106
4.5.5 전단 및 비틀림 설계······································ 4-106
4.6 프리스트레스트 콘크리트····································· 4-112
4.6.1 일반사항···················· ······················· 4-112
4.6.2 해석······················· ······················ 4-113
4.6.3 설계························ ····················· 4-116
4.6.4 구조상세······················· ···················· 4-147
4.7 바닥판·························· ··················· 4-151
4.7.1 일반사항························· ·················· 4-151
4.7.2 설계일반·························· ················· 4-151
4.7.3 바닥판의 지간········································· 4-151
4.7.4 바닥판의 최소두께······································· 4-153
4.7.5 바닥판의 설계휨모멘트 및 응력의 검사·············· ··············· 4-156
4.7.6 구조상세················ ··························· 4-162
4.7.7 경험적 설계법········································· 4-164
4.7.8 프리캐스트 바닥판······································· 4-166
4.8 슬래브교·················· ·························· 4-168
4.8.1 일반사항·················· ························· 4-168
4.8.2 설계 일반··········································· 4-168
4.8.3 구조해석··················· ························ 4-169
4.8.4 구조상세···················· ······················· 4-171
4.9 T형거더교············································ 4-178
4.9.1 일반사항····················· ······················ 4-178
4.9.2 설계 일반··········································· 4-178
4.9.3 구조해석······················ ····················· 4-178
4.9.4 구조 상세··········································· 4-179
4.10 박스거더교··········································· 4-181
4.10.1 일반 사항······················ ···················· 4-181
4.10.2 설계 일반······················· ··················· 4-181
4.10.3 구조 해석························ ·················· 4-183
4.10.4 횡방향 설계························ ················· 4-183
4.10.5 받침점가로보 및 격벽의 설계················· ················ 4-184
4.10.6 구조상세··········································· 4-184
4.11 연속거더교··········································· 4-187
4.11.1 적용범위··········································· 4-187
4.11.2 설계일반··········································· 4-187
4.11.3 구조해석··········································· 4-188
4.11.4 고정받침부·········································· 4-190
4.11.5 중간받침점부········································· 4-191
4.11.6 프리캐스트 거더를 사용한 연속형교의 중간받침점부······················· 4-191
4.12 라멘교············································· 4-194
4.12.1 적용범위··········································· 4-194
4.12.2 설계일반··········································· 4-194
4.12.3 구조해석··········································· 4-195
4.12.4 라멘부재 절점부··························· ············ 4-197
4.12.5 구조상세··········································· 4-199
4.13 아 치 교············································ 4-204
4.13.1 적용범위··········································· 4-204
4.13.2 설계일반··········································· 4-205
4.13.3 구조해석··········································· 4-206
4.13.4 좌굴에 대한 검사······································· 4-208
4.13.5 구조상세··········································· 4-209
4.14 합성거더교··········································· 4-211
4.14.1 일반사항··········································· 4-211
4.14.2 PSC 합성거더교········································ 4-211
4.15 기타의 교량 및 부재의 설계··································· 4-214
4.15.1 일반 사항································ ·········· 4-214
4.15.2 곡선거더교·········································· 4-214
4.15.3 엇갈림부··········································· 4-214
4.15.4 프리캐스트 블록 이음부의 설계······················· ········· 4-218
4.15.5 깊은 보의 설계········································ 4-220
4.15.6 세그멘탈 교량의 설계····································· 4-221
제 5 장 하부구조
5.1 일반사항··································· ········· 5- 1
5.1.1 적용범위··································· ········ 5- 1
5.1.2 용어의 정의·········································· 5- 1
5.1.3 기호······································ ······· 5- 5
5.1.4 기본 방침··········································· 5- 6
5.1.5 설계도에 기재하여야 할 사항·································· 5- 6
5.1.6 설계계산의 정밀도······································· 5- 6
5.1.7 설계의 전제가 되는 시공의 조건·························· ······ 5- 6
5.2 조사······························ ················ 5- 7
5.2.1 조사일반···························· ··············· 5- 7
5.2.2 지반에 대한 조사························· ·············· 5- 7
5.2.3 하천바닥 및 하천 이용 현황 조사································ 5- 8
5.2.4 시공조건에 관련된 조사······················· ············· 5- 8
5.2.5 특수한 조건에서의 조사························ ············ 5- 9
5.3 설계일반································· ··········· 5- 10
5.3.1 일반사항································· ·········· 5- 10
5.3.2 휨모멘트 및 축방향력이 작용하는 콘크리트부재의 설계······················ 5- 10
5.3.3 전단력이 작용하는 철근콘크리트부재의 설계··························· 5- 11
5.3.4 강재 부재의 설계······························ ········· 5- 12
5.3.5 철근 상세··········································· 5- 12
5.4 교대 및 교각의 설계······································· 5- 13
5.4.1 일반사항··································· ········ 5- 13
5.4.2 받침 연단거리········································· 5- 14
5.4.3 교대의 설계·········································· 5- 14
5.4.4 교각의 설계·········································· 5- 15
5.4.5 확대기초의 설계········································ 5- 18
5.5 기초의 설계에 관한 일반사항··································· 5- 20
5.5.1 일반사항···································· ······· 5- 20
5.5.2 기초형식의 선정········································ 5- 20
5.5.3 설계계산의 기본········································ 5- 20
5.5.4 기초 지지층의 선정과 근입깊이································· 5- 20
5.5.5 설계상의 지반면········································ 5- 21
5.5.6 설계를 위한 지반정수······························· ······ 5- 21
5.5.7 지반반력계수와 지반탄성계수·································· 5- 21
5.5.8 지반반력 및 변위량································· ····· 5- 21
5.5.9 토압········································· ···· 5- 22
5.5.10 압밀침하가 발생하는 지반에서의 깊은기초························ ··· 5- 22
5.5.11 편심하중을 받는 기초····································· 5- 23
5.5.12 측방유동에 대한 고려····································· 5- 23
5.5.13 세굴 방지························· ················· 5- 23
5.6 직접기초의 설계········································· 5- 24
5.6.1 적용범위··························· ················ 5- 24
5.6.2 설계의 기본·········································· 5- 24
5.6.3 하중분담···························· ··············· 5- 24
5.6.4 허용지지력···························· ·············· 5- 24
5.6.5 지반반력계수와 지반탄성계수·································· 5- 25
5.6.6 지반반력 및 변위량························· ············· 5- 25
5.6.7 기초 본체의 설계··························· ············ 5- 26
5.6.8 기초저면의 처리 및 되메움 재료····················· ··········· 5- 26
5.7 케이슨기초의 설계········································ 5- 27
5.7.1 적용범위································· ·········· 5- 27
5.7.2 설계의 기본·········································· 5- 27
5.7.3 하중분담·································· ········· 5- 27
5.7.4 설계일반··································· ········ 5- 28
5.7.5 지반의 허용지지력······································· 5- 28
5.7.6 지반반력계수와 지반탄성계수·································· 5- 29
5.7.7 지반반력 및 변위량······························· ······· 5- 29
5.7.8 케이슨 본체의 설계································ ······ 5- 29
5.7.9 구조세목······································ ····· 5- 31
5.8 말뚝기초의 설계········································· 5- 32
5.8.1 적용범위······································· ···· 5- 32
5.8.2 설계의 기본·········································· 5- 32
5.8.3 하중분담········································ ··· 5- 32
5.8.4 말뚝의 배열·········································· 5- 32
5.8.5 말뚝의 허용연직지지력····································· 5- 33
5.8.6 말뚝의 허용수평지지력····································· 5- 34
5.8.7 수평방향지반반력계수··································· ·· 5- 35
5.8.8 말뚝의 스프링정수······································· 5- 35
5.8.9 말뚝반력과 확대기초변위량의 계산법····························· · 5- 35
5.8.10 특수한 조건에 있는 말뚝기초의 설계······························ 5- 36
5.8.11 말뚝본체의 설계······································ · 5- 36
5.8.12 구조세목··········································· 5- 37
5.8.13 말뚝재하시험········································· 5- 40
5.9 강관널말뚝기초의 설계······································ 5- 41
5.9.1 적용범위······················· ···················· 5- 41
5.9.2 설계의 기본·········································· 5- 41
5.9.3 하중분담························ ··················· 5- 41
5.9.4 강관널말뚝의 허용연직지지력·································· 5- 41
5.9.5 지반반력계수······················· ·················· 5- 42
5.9.6 기초 본체의 설계······················ ················· 5- 42
5.9.7 상부슬래브의 설계······································· 5- 42
제 6 장 내진설계
6.1 일반사항················· ··························· 6- 1
6.1.1 적용범위················· ·························· 6- 1
6.1.2 용어의 정의·········································· 6- 1
6.1.3 기호···················· ························· 6- 3
6.2 내진설계의 기본방침······································· 6- 7
6.2.1 목적····················· ························ 6- 7
6.2.2 내진설계기준의 기본개념···································· 6- 7
6.2.3 품질보증 요건········································· 6- 7
6.2.4 지진응답 계측········································· 6- 8
6.3 설계 일반사항·········································· 6- 9
6.3.1 설계지반운동·················· ······················· 6- 9
6.3.2 내진등급과 설계지진수준···································· 6- 10
6.3.3 지반의 분류·········································· 6- 11
6.3.4 응답수정계수··················· ······················ 6- 12
6.4 해석 및 설계에 대한 규정··············· ····················· 6- 14
6.4.1 일반사항························ ··················· 6- 14
6.4.2 해석방법························ ··················· 6- 14
6.4.3 탄성력 및 탄성변위··················· ··················· 6- 14
6.4.4 직교 지진력의 조합··················· ··················· 6- 14
6.4.5 단경간교의 설계규정······································ 6- 15
6.4.6 지진구역 II에 위치하는 내진II등급교의 설계지진력····· ·················· 6- 15
6.4.7 설계지진력························· ················· 6- 15
6.4.8 설계변위··························· ················ 6- 18
6.4.9 지반의 액상화 평가 ······································ 6- 20
6.5 해석방법····························· ··············· 6- 21
6.5.1 일반사항····························· ·············· 6- 21
6.5.2 탄성지진응답계수·························· ············· 6- 21
6.5.3 단일모드스펙트럼해석법 ···································· 6- 22
6.5.4 다중모드스펙트럼해석법························ ············ 6- 23
6.6 기초 및 교대의 내진설계····································· 6- 26
6.6.1 적용범위································ ··········· 6- 26
6.6.2 기초··································· ·········· 6- 26
6.6.3 교대···································· ········· 6- 28
6.7 강교 설계············································ 6- 29
6.7.1 일반사항··································· ········ 6- 29
6.7.2 P-Δ 효과··········································· 6- 29
6.8 콘크리트교 설계········································· 6- 30
6.8.1 일반사항···································· ······· 6- 30
6.8.2 교각의 해석 및 설계 강도····························· ······ 6- 30
6.8.3 기둥········································ ····· 6- 35
6.8.4 벽식 교각··········································· 6- 40
6.9 지진격리교량의 설계······································· 6- 42
6.9.1 일반사항······················· ···················· 6- 42
6.9.2 지진격리설계의 기본방침···································· 6- 42
6.9.3 지진격리교량의 가속도계수··································· 6- 43
6.9.4 지진격리교량의 내진등급과 설계지진수준········· ··················· 6- 43
6.9.5 지진격리교량의 지반계수···································· 6- 43
6.9.6 지진격리교량의 응답수정계수 ··············· ·················· 6- 44
6.9.7 해석방법·························· ················· 6- 45
6.9.8. 기타 요구조건························ ················ 6- 49
부록 Ⅰ 철근콘크리트 기둥의 연성도 내진설계
Ⅰ.1 일반사항············································Ⅰ- 1
Ⅰ.1.1 적용범위···········································Ⅰ- 1
Ⅰ.1.2 용어의 정의························· ················Ⅰ- 1
Ⅰ.1.3 기호·············································Ⅰ- 2
Ⅰ.2 소요연성도···········································Ⅰ- 2
Ⅰ.3 심부구속 횡방향철근량······················ ···············Ⅰ- 4
Ⅰ.4 전단 설계····························· ··············Ⅰ- 6
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