Design of Municipal Water Supply Pipeline for the Fourth Cross Sea Bridge in Aodang,Macao
With the development of the city,the requirements of water quality,quantity and reliability of water sup-ply has gradually improved.The penetration rate of water supply pipeline has increased year by year.The imbalance of the spatial and temporal distribution of fresh water resources makes the laying of water supply pipeline along the cross sea(river)bridge inevitable.That urban water supply pipeline crossing the river and sea can apply building a new pipe bridge or crossing the river bed,but its construction and maintenance are difficult and the cost is high;At the same time,the pipe bridge also occupies the urban space and affects the urban landscape.That water supply pipe crossing the river bed will increase the risk of water quality pollution and affect the navigation channel.Based on the municipal water supply pipeline design for the fourth cross sea bridge in Aodang,Macao as an example,the paper analyzes and summarizes the preliminary scheme and design calculation of the typical cross sea(river)bridge laying water supply pipeline,and discusses the key technical points,which has great engineering guiding signifi-cance for the design and construction of water supply pipeline laying along the cross sea(river)bridge.
water supply pipelinecross sea bridgepipeline materialpipe supportpipeline telescoping compen-sation
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