什么是路面标高?

什么是路面标高?指的是从哪里到哪里?
2025-02-07 16:06:19
推荐回答(2个)
回答1:

设计标高为道路修建完毕后的标高,自然标高为原地面标高。

比如,一条路原地面标高也就是自然标高为道路未修建前或者改建前的标高。四级公路以下的都是指路基中线的标高。设计标高为建造完成后,即路面的标高。

设计标高又称红色标高,是指在竖向设计中,相对某基准点在一定地点设计选定的高程。它的建立应根据竖向设计的整体要求、交通、排水、景观及其他功能方面的需要和节约土石方量综合来考虑。

扩展资料

设计标高时应主要考虑以下因素与要求:

①防洪、排水

设计标高要使雨水顺利排除,基地不被水淹,建筑不被水倒灌,山地需注意防洪排洪问题,近水域的基地设计标高应高出设计洪水位0.5m以上。

②地下水位、地质条件

避免在地下水位很高的地段挖方,地下水位低的地段,因下部土层比上部土层的地耐力大,可考虑挖方,挖方后可获较高地耐力,并可减少基础埋设深度和基础断面尺寸。

③道路交通

考虑基地内外道路的衔接,并使区内道路系统平顺、便捷、完善;道路和建筑、构筑物及各场地间的关系良好。

④节约土石方量

设计标高在一般情况下应尽量接近自然地形标高,避免大填大挖,尽量就地平衡土石方。

⑤建筑空间景观

设计标高要考虑建筑空间轮廓线及空间的连续与变化,使景观反映自然、丰富生动、具有特色。

⑥利于施工

设计标高要符合施工技术要求,采用大型机械平整场地,则地形设计不宜起伏多变;土石方应就地平衡,一般情况土方宜多挖少填,石方宜少挖;垃圾淤泥要挖除;挖土地段宜作建筑基地,填方地段宜作绿地、场地、道路等承载量小的设施。

参考资料来源:百度百科—路面标高

参考资料来源:百度百科—设计标高

回答2:

路面标高:标高表示路面某一部位相对于基准面(标高的零点)的竖向高度。

路面标高是某一个点的高度,从某一点到另外一点就称其为高差或坡度了

扩展阅读:
标高按基准面选取的不同分为绝对标高和相对标高。

(1)绝对标高
绝对标高:是以一个国家或地区统一规定的基准面作为零点的标高,我国规定以青岛附近黄海的平均海平面作为标高的零点;所计算的标高称为绝对标高。

(2)相对标高
相对标高:以建筑物室内首层主要地面高度为零作为标高的起点,所计算的标高称为相对标高。

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