摘要：在简支T梁的施工过程中主要材料为混凝土整个桥梁的橫断面呈现T字型并且在安装过程中采用简支的模式。在简支T梁的设计过程中,是根据孔为一个单元且毎个相邻的孔都是独立受力。但是每个相邻的桥梁之间或有异向转角,造成路面不平坦,对过往的行车产生不利的影响。“T字型梁通常采用的是上宽下窄的断面样式主梁分布于梁肋中间混凝土处于受拉区将此区域的混凝土部分挖空减少整个结构的重量。由于混凝土区域的抗压水平较高在下缘马蹄处增加预应力钢筋増加抗拉强度。简支T梁与普通的矩形梁桥相比不仅结构简单、施工便利、缩短工期还可以节省材料、减少工程造价等。
关键词：预应力混凝土简支T梁桥、施工图设计、桥梁结构
ABSTRACT: In the construction process of simply supported T-beam, the main material is that the cross section of the whole bridge is T-shaped and the simple supported mode is adopted in the installation process. In the design process of simply supported T beam, it is based on the fact that the hole is a unit and each adjacent hole is under independent stress. However, there may be a different angle between each adjacent bridge, resulting in uneven pavement, which has a negative impact on the traffic in the past. 'T-shaped beam usually adopts the section style of wide top and narrow bottom. The main beam is distributed in the middle of the beam rib, and the concrete is in the tension area. The concrete part in this area is hollowed out to reduce the weight of the whole structure. Because of the high compressive level of the concrete area, the tensile strength of the prestressed reinforcement is increased at the lower edge of the horseshoe. Compared with ordinary rectangular beam bridge, simply supported T-beam not only has simple structure, convenient construction, shorter construction period, but also can save materials and reduce project cost.
Key words：Prestress concrete simply supported T-beam bridge, construction drawing design and software drawing
目录
1、工程概况 1
2、 方案比选 1
3、 预应力混凝土简支T形梁桥的优点 2
4、预应力混凝土简支T形梁桥发展概况 2
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