標(biāo)題: 埋地管道土壤摩擦力問(wèn)題討論 [打印本頁(yè)] 作者: 油田小將 時(shí)間: 2012-10-7 20:17 標(biāo)題: 埋地管道土壤摩擦力問(wèn)題討論 請(qǐng)教問(wèn)題：埋地管道（凍土層一下），冬天與夏天相比，土壤對(duì)管道的摩擦力是冬天大還是夏天大啊，還是一樣大？
有知道的嗎？研究埋地管道的可以加我QQ 33461278作者: zhang.limin 時(shí)間: 2014-8-6 05:54
ALA has a standard for buried pipe calculation, Caesar II and autopipe also use ALA standard even both of them had their own calculation methods作者: beibeilang 時(shí)間: 2014-8-6 08:27
zhang.limin 發(fā)表于 2014-8-6 05:54
ALA has a standard for buried pipe calculation, Caesar II and autopipe also use ALA standard even bo ...
ALA means ALASKA ?作者: zhang.limin 時(shí)間: 2014-8-6 22:24
Guidelines for the Design of Buried Steel Pipe - American