[中英]柔性路面設(shè)計

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內(nèi)容簡介

　　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."　　柔性路面設(shè)計　　一般來講，路面(和路基)可以分為兩種類型：剛性路面和柔性路面。“剛性路面”一詞在美國通常指由普通水泥混凝土修筑的道路面層。人們認(rèn)為，混凝土路面可以像梁一樣具有較高的彎曲強度并能夠跨越基層或路基上一些微小的不平整的地帶，因此稱為“剛性”。同樣，支撐磚層或砌體層的混凝土基座也可以說成是剛性的?！　?

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