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一、刚性路面的一般构造属于刚性路面的有水泥混凝土和钢筋混凝土的面层或基层。它们具有很高的抗弯能力,并具有相当大的以路用水泥混凝土的弹性模量表征的弯曲刚度(水泥混凝土的弹性模量值与它的抗弯强度直接相关)。为减小水泥混凝土在温度变化时的应力,必须用纵向和横向的温度缝将路面划块(见图1)。刚性路面在构造上有如下各种不同的类型:按修筑技术—整体式和装配式;按刚性层材料型—素混凝土的、钢筋混凝土的和预
First, the general structure of rigid pavement Belongs to the rigid pavement with cement concrete and reinforced concrete surface or grass-roots level. They have high bending resistance and have considerable bending stiffness characterized by the elastic modulus of concrete for road use (the modulus of elasticity of cement concrete is directly related to its flexural strength). In order to reduce the stress of cement concrete during the temperature change, the pavement must be padded with longitudinal and transverse temperature joints (see Figure 1). Rigid pavement in the construction of the following different types: According to the construction technology - monolithic and assembly; by rigid layer material type - plain concrete, reinforced concrete and pre