1:1.25的坡度是多大

2025年03月14日 17:43
有2个网友回答
网友(1):

  挖方边坡:应根据土的内摩擦角、内聚里、湿度、质量密度等物理力学性质,确定挖方边坡的坡度。永久性挖方应符合如下规定:  
  水文地质良好时永久性土工构筑物低洼放边坡坡度 项次 挖 方 性 质 边 坡 性 质 1 天然湿度下层理均匀,不易膨胀的粘土、亚粘土、轻亚粘土和砂土(不包括细砂和粉砂)的挖方,深度不超过3米 1:1--1:1.25 2 土质同上,社度为12米 1:1.25--1:1.50 3 干燥地区内土质结构位经破坏的干燥黄土及类黄土,深度不超过12米 1:0.1--1:1.25 4 在碎石土和泥灰岩但内的挖方,深度不超过12米,根据黄土的性质、层理特性和挖方深度确定。 1:0.5--1:1.5 5 在风化岩石内,根据岩石性质、风化程度、层理特性和挖方深度决定 1:0.2--1:1.5 6 在轻微风化岩石内,岩石无裂缝且无倾向挖方坡角的岩层 1:0.1 7 在未风化的完整岩石内挖方 直立的  注:1、在个别设计中如有充分资料和经验做依据的话,可不受此表限制。
  2、表中1——5项挖方深度超过12米时,其边坡坡度应通过设计规定。

网友(2):

是上坡锐角的正切值,就是对边比临边,算出锐角是38度39分35.31秒 。

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