According to the technical requirement of joint open and joint s ealing material,the calculation formula of zigzag spacing has been set up and applied in narro w slit design on cement concrete road surface of airport.

• 根据接缝张开量和填缝料的技术要求；建立了锯缝宽度的计算公式；并应用于机场水泥混凝土道面的窄缝设计.