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自80年代以来,在原苏联国内先后设计建造了不少新型结构的桥台.这些桥台的特点是改变了传统桥台的结构形式,因此大大地减轻了桥台的自重,同时也节省了可观的建筑材料.本文对这些新型结构的桥台作一综述,以供设计工作参考. 一、柱式埋人桥台结构柱式埋入桥台结构的构造原理是将桥台埋人边坡的土中,这样台后土压力与台前土压力可相互抵消一部分,大大减轻了作用在桥台台背上的土压力,故桥台主要承受竖向力,因此可以将桥台设计得较小些,成为一根或几根柱子.为了增加其稳定性,可增设一些纵向、横向或斜向的板.图1所示的桥台是由一根柱子
Since the 1980s, many new abutments have been designed and built in the former Soviet Union.These abutments are characterized by the change of the structure of the traditional abutment, thus greatly reducing the weight of the abutment and saving a considerable amount of Of the building materials.In this paper, a review of these new type of abutment for a reference for the design work.First, column buried bridge abutment structure Column embedded bridge abutment structure is the principle of the bridge abutment buried slope In the soil, the earth pressure behind the stage and the earth pressure before the stage can offset each other, greatly reducing the earth pressure acting on the back of the abutment. Therefore, the abutment is mainly subjected to the vertical force so that the abutment can be designed to be smaller To become one or more pillars .In order to increase its stability, you can add some vertical, horizontal or oblique plate.An abutment shown in Figure 1 is a column