桥梁施工方法

资料简介：

　　Bridge Construction Techniques
# R" k/ W' b% M/ ?) F2 P* Z4 f　　The final cost of a bridge is the sum of the cost of  permanent materials,the proportionate cost to the project of plant and temporary works and the cost of labor .The cost of permanent materials can be estimated reasonably correctly.With experience,a bridge contractor can deal completely with cost of plant and temporary works .But the labor cost does not lend itself to exact analysis .Recent competitive designs have attempted to introduce innovations in construction methods with a view to effect economy in the cost on labor by reducing temporary works and by minimizing the duration of site work.
0 m3 W  q; z# }# _　　桥梁施工方法
7 k7 I8 M! N- f# `# u9 Q) D9 p　　一座桥梁的最终造价是建造桥梁结构物的材料费用与这项工程相关的机械费用和临时工程及劳动力的费用的总和。材料的费用能够被预算的相当准确的，承包商们借助施工经验是能够估算施工机械和劳动力的费用的。但是劳动力的费用是不能够精确分析的。最近的一项比较有竞争力的设计试图通过减少临时工程和工程的工期来革新施工方法。