毕业设计（论文）-石桥镇老桥改造桥设计

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1、石桥镇老桥改造桥设计目录总目录······························································1前言································································3第一章改建石桥设计计算书···········································4一、设计说明························································4（一）设计背景····························

2、························4（二）设计标准及规范··············································4（三）主要材料···················································4（四）设计要点····················································5二、方案比选·······················································5（一）桥梁结构方案比选·························

3、··················5（二）桥梁截面形式比选76石桥镇老桥改造桥设计············································8（三）桥墩方案比选················································9三、主要构件尺寸设计···············································10（一）结构尺寸设计···············································10（二）桥梁设计荷载····························

4、···················12四、行车道板设计···················································13（一）计算理论···················································13（二）单向板内力计算公式·········································14（三）行车道板设计···············································15五、主梁（板）设计···································

5、··············17（一）荷载横向分布系数计算·······································17（二）主梁内力计算··············································1976石桥镇老桥改造桥设计（三）主梁配筋设计···············································24六、盖梁设计·······················································25（一）荷载计算································

6、···················25（二）内力计算···················································30（三）截面配筋设计················································31七、桥梁墩柱设计···················································34（一）荷载计算···················································34（二）截面配筋计算·····························

7、··················36八、孔灌注桩设计···················································38（一）荷载计算···················································38（一）桩长设计···················································39（三）桩基