论文部分内容阅读
一、概 述 沩水大桥系4×38米+2×38米二联预应力混凝土连续梁桥。桥梁载重标准为汽-20级、挂-100。桥面宽为净-7.0米+2×1.5米人行道。预应力混凝土连续梁截面为单箱双室、等截面箱形梁。顶推法施工。桥墩由2×φ1.5米钻孔灌注支承桩组成,为施工方便在接近河床处没置横系梁。全桥采用盆式橡胶活动支座。其中1、2、3、5号墩上支座的设计承载力为400吨。全桥支座布置见图1。
First, an overview of Sui Shui Bridge 4 × 38 m +2 × 38 m two prestressed concrete continuous beam bridge. Bridge load standards for the steam -20, hanging -100. The bridge is wide net -7.0 m +2 × 1.5 m sidewalk. The prestressed concrete continuous beam section is single box double chamber, equal section box beam. Thrust construction. The pier consists of 2 × φ1.5 m bored and perforated support piles, which are not arranged near the riverbed for construction convenience. Full bridge with basin rubber bearing activities. Among them, the design carrying capacity of the abutment on pier 1,2,3,5 is 400 tons. Full bridge bearing arrangement shown in Figure 1.