预应力混凝土T形梁设计(计算示例).pdf

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1、预应力混凝土T形梁设计计算示例预应力混凝土T形梁设计计算示例-----------------------------------------------------------------------------------------11设计资料及构造布置---------------------------------------------------------------------------------------------------31.1桥梁跨径及桥宽------------------------------------------------------

2、--------------------------------------------------31.2设计荷载----------------------------------------------------------------------------------------------------------31.3材料及施工工艺-------------------------------------------------------------------------------------------------31.4设计依据--------------

3、--------------------------------------------------------------------------------------------31.5横截面布置-------------------------------------------------------------------------------------------------------31.6横截面沿跨长的变化-----------------------------------------------------------------------------

4、-------------51.7横隔梁的设置----------------------------------------------------------------------------------------------------52主梁内力计算------------------------------------------------------------------------------------------------------------52.1恒载计算-----------------------------------------------

5、-----------------------------------------------------------52.2可变作用计算------------------------------------------------------------------------------------------------62.2.1冲击系数和车道折减系数---------------------------------------------------------------------------62.2.2.计算主梁的荷载横向分布系数-----------------

6、---------------------------------------------------72.2.3.车道荷载取值---------------------------------------------------------------------------------------102.2.4.计算可变作用效应----------------------------------------------------------------------------------112.3主梁作用效应组合--------------------------------

7、------------------------------------------------------------143预应力钢束的估算及其布置----------------------------------------------------------------------------------------153.1跨中截面钢束的估算和确定--------------------------------------------------------