[中英]柔性路面设计

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内容简介

　　Flexible Pavement Design　　 Generally speaking, pavements (and bases ) may be divided into two broad classifications or types: rigid and flexible. As commonly used in the United States, the term "rigid pavement" is applied to wearing surfaces constructed of Portland-cement concrete. A pavement constructed of concrete is assumed to possess considerable flexural strength that will permit it to act as a beam and allow it to bridge over minor irregularities which may occur in the base or subgrade on which it rests; hence the term "rigid." Similarly, a concrete base that supports a brick or block layer might be described as "rigid."　　柔性路面设计　　一般来讲，路面(和路基)可以分为两种类型：刚性路面和柔性路面。“刚性路面”一词在美国通常指由普通水泥混凝土修筑的道路面层。人们认为，混凝土路面可以像梁一样具有较高的弯曲强度并能够跨越基层或路基上一些微小的不平整的地带，因此称为“刚性”。同样，支撑砖层或砌体层的混凝土基座也可以说成是刚性的。　　

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