The four kinds of hydraulic protection schemes,including underground ladder wall,underground diversion wall,sloping and slope protection,for gas pipeline laid in slope segments of trench are put forward,and the characteristics,job practice and applicable fields of different schemes are discussed.
对处于沟坡段的输气管道,提出了地下阶梯墙、地下导流墙、放坡和护坡4种水工保护方案,论述了各方案的特点、施工方法及适用场所。
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