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中堂大桥是广(州)-深(圳)公路上的一座大桥。该桥主桥为32.5+4×45+32.5米,5孔一联的预应力混凝土箱形连续梁桥,两端引桥为17孔跨径16米的钢筋混凝土简支T形梁桥,全桥总长522.10米。下部构造采用钻孔灌注桩基础和双柱式桥墩。桥面净宽为净9+2×1.5米人行道。设计荷载为汽-20,挂-100,人群荷载250公斤/米~2。为适应通航、地形要求,桥址线路设±3％纵坡,变坡点在主桥中心。主桥处于10,000米半径的圆弧竖曲
Zhongtang Bridge is a large (state) - Shenzhen (Shenzhen) highway on a bridge. The main bridge of the bridge is 32.5 +4 × 45 +32.5 m, five holes in a row of prestressed concrete box-shaped continuous beam bridge, both ends of the 17-hole approach for the bridge spanning 16 meters of reinforced concrete simply supported T-beam bridge, full bridge The total length of 522.10 meters. The lower structure uses bored pile foundation and double column piers. Bridge net width of net 9 +2 × 1.5 meters sidewalk. Design load for steam -20, hanging -100, the crowd load 250 kg / m ~ 2. In order to meet the navigation, topography requirements, the bridge site line set ± 3% longitudinal slope, change the slope point in the center of the main bridge. The main bridge is at an arc of 10,000 meters in radius