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《混凝土结构设计基本原理》课程设计.
目录
设计资料················································ 2
1 道碴槽板的设计······································· 3
1.1 结构形式及基本尺寸······································· 3
1.2 荷载与内力··············································· 3
1.2.1 恒载·············································· 3
1.2.2 活载·············································· 4
1.2.3 活载组合·········································· 5
1.2.4 内力组合·········································· 6
1.3 道碴槽板的设计与检算····································· 7
1.3.1 板厚检算·········································· 7
1.3.2 配筋及检算········································ 8
1.3.3 混凝土压应力、钢筋拉应力及混凝土拉应力检算········ 8
1.3.4 裂缝宽度检算······································10
2 主梁的设计···········································12
2.1 结构形式及基本尺寸·······································12
2.2 荷载与内力···············································12
2.2.1 恒载及恒载内力计算································12
2.2.2 活载及其内力计算··································13
2.2.3 内力组合··········································15
2.3 梁的设计与检算···········································16
2.3.1 跨中钢筋设计及检算································16
2.3.2 主拉应力的检算····································18
2.3.3 剪应力计算及剪应力图······························19
2.3.4 箍筋设计··········································20
2.3.5 斜筋设计··········································20
2.3.6 弯矩包络图与材料图································21
2.3.7 跨中截面裂缝宽度计算······························21
2.3.8 跨中截面挠度计算··································22
参考文献·················································23
附图
设计资料
1 结构形式及基本尺寸
采用分片形式T形截面
梁梗中心距 道碴槽宽 每片梁顶宽 计算跨度 梁全长 梁高 跨中腹板厚 180cm 390cm 192cm 1600cm 1650cm 190cm 30cm 2 桥上线路与人行道
桥上线路为平坡、直线、单线线路,道碴桥面;设双侧带栏杆的人行道。
3 材料
混凝土:250号
钢筋:T20MnSi及A3。板内:受力钢筋;分布钢筋。梁内:纵向受力钢筋;箍筋及纵向水平钢筋,架立钢
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