Partially laminated beam bridge
A pier and girder technology applied in the field of partially superimposed girder bridges to achieve the effects of low cost, high material utilization and short construction time
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[0082] The span arrangement (90m+3×165m+90m) of the partially superimposed girder bridge in this embodiment is the same as that of the North Branch Bridge of the Second Nanjing Yangtze River Bridge. Specifically: if figure 1As shown, a partially laminated girder bridge is mainly composed of abutment 1, pier 2, concrete structure 3 and steel structure 4; the concrete structure 3 is arranged in the compression area of the girder above the pier 2, and the rest are steel structures 4. To reduce the weight of the structure. A falcon is set above the concrete structure 3, and the embedded parts and shear connectors are welded around the junction of the concrete structure 3 and the steel structure 4. After the steel structure 4 is placed in place later, the steel structure 4 and the embedded parts welded together and poured with micro-expanding concrete to form the whole. The concrete structure arranged above the pier does not increase the load effect of the structure, but also g...
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Abstract
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