【摘要】 根据山东省实际情况推导出钢管、球墨铸铁管、夹砂玻璃钢管、预应力钢筋混凝土管、钢筒水泥管5种给水管材的单位成本的计算公式,给出了给水管材成本公式中的参数,为管道工程投资估算提供一种简单的计算方法。更多还原

【Abstract】 Formulae were derivated based on the actual conditions in Shandong Province for calculation of the unit costs of five types of feed water pipe materials,i.e.,steel pipes,ductile iron pipes,sand-included FRP pipes,prestressed reinforced concrete pipes and steel-cylinder cement pipes,with parameters in the cost formulae for the five types of feed water pipes given out,which provides a method for easier calculation for investment estimation for piping engineering.更多还原