摘要本设计是对一个15米先张法混凝土预应力空心简支板桥的验算与设计。设计书拟定了桥梁的上部结构及其尺寸，并对内力进行计算。我的桥梁计算书也对其中主要的构件逐一分别的进行了一般使用时的强度承载力时的极限状态的计算和极限状态的计算。在这之中，上部结构的尺寸主要基于桥梁和涵洞规格以及其他相关示例。横向分配系数也是通过杠杆原理方法和铰板方法获得。并且参考相关实例，将10个中空板分组，然后知道水平分布影响线，最终得到横向分布系数。关键词：空心板，预应力，简支梁AbstractThisdesignisacheckanddesignofa15mpretensionedconcreteprestressedhollowsimplysupportedbridge.Thedesignbookoutlinestheupperstructureofthebridgeanditsdimensions,andcalculatestheinternalforces.Thisdesignbookalsochecksthelimitstateofthemaincomponentswhentheyarelimitstateinnormaluseandstrengthcarryingcapacity.Amongthem,thesizeofthesuperstructureismainlyreferredtothebridgeandculvertspecificationandotherrelatedexamples.Thelateraldistributioncoefficientisobtainedbytheleverprinciplemethodandthehingemethod.Referringtotheereltedexaples,the10hollowplatesaregrouped,andthenthehorizontaldistributioninfluencelineisknown,andthelateraldistributioncoefficientisfinallyobtained.Keywords:hollowslab,prestressed,simplysupportedbeam目录Abstract.....................................................................................................................................................31设计资料.................................................................................................................................................41.1、地址水文资料.........................................................................................................................41.2、工程概况..................................................................................................................................41.3、设计依据..................................................................................................................................41.4、受力荷载..................................................................................................................................41.5、河道规划情况..........................................................................................................................51.6、主要材料规格..........................................................................................................................52、空心板尺寸选择以及构造..................................................................................................................53、空心板毛截面几何特性的计算..........................................................................................................63.2毛截面的重心位置....................................................................................................................63.3空心板毛截面对其重心的惯矩I...............................................................................................74、作用效应组合......................................................................................................................................84.1永久作用效应的计算.................................................................................................................84.2、可变作用效应（活载）的计算..............................................................................................95、预应力钢筋数量的估算及布置.............
