《混凝土结构设计基本原理》课程设计..docVIP

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