上部结构由两端简单支承在墩台上的主要承重 梁组成的桥梁。简支梁是静定结构，相邻各跨单独受 力，结构受力比较单纯，不受支座变位等影响，适用 于各种地质情况，构造也较简单，容易做成标准化、 装配化构件，制造、安装都较方便，是一种采用最广 泛的梁式桥。但简支梁的跨中弯矩将随跨径增大而 急剧增大，因而大跨径时显得不经济。
钢筋砼简支梁桥 Reinforced concrete bridge beams
装配式简支梁桥 fabricated simply-supported beam bridge
预应力混凝土简支梁桥 Prestressed concrete simply supported beam
简支桥梁 Simply Supported Bridge
多跨简支T梁桥 multi-span T shape free beam bridge
简支t型梁桥 simply supported t-beam bridge
简支转连续桥梁 Jane turn a continuous bridge
先简支后连续桥梁 continuous bridge erected as simple-supported T-beam
文中建议了考虑活动支座摩擦力影响的简支梁桥整体分析模型。
An analytic model including effects of frictional force at movable supports is suggested.
讨论了铁路多跨简支梁桥不同计算图式对横向振动分析结果的影响。
The effect of different mathematical models on lateral vibration analysis of multi-span simple beam bridge is discussed in this paper.
通过数值算例验证了体外预应力对简支梁桥振动频率和振动模态的影响。
And numerical example is adopted to explain the influence of external prestress to the vibration frequency and modality for simple beam.
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