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目的斜向配筋预应力水泥混凝土路面作为一种新型路面形式出现,其特点是在路面双向布置斜向预应力筋,采用较少的横向接缝达到路面平整、行车舒适的要求,通过对其研究奠定在全国推广应用的基础。方法本文以《预应力混凝土路面工程技术规范》为依据,在国内外对斜向配筋预应力混凝土路面设计方法研究成果的基础上对其设计准则进行深入分析。结果进一步研究斜向配筋预应力水泥混凝土路面弹性设计准则的方法,并提出路面的疲劳设计准则,综合分析推荐出斜向预应力混凝土路面的设计程序。结论因弹性设计准则要求混凝土面板不产生任何裂缝过于保守,经实例计算验证,有必要对疲劳设计准则进行考虑。
The purpose of the oblique reinforcement prestressed cement concrete pavement as a new type of pavement appears, which is characterized by bi-directional arrangement of inclined prestressed tendons in the road, with fewer horizontal joints to achieve road surface formation, driving comfort requirements, through its Research laid the basis for the promotion and application in the country. Methods Based on the “Technical Specifications for Prestressed Concrete Pavement Engineering”, this paper deeply analyzes the design criteria of the prestressed concrete pavement design method based on the research results at home and abroad. Results The method of elastic design criteria for prestressed cement concrete pavement with oblique reinforcement was further studied and the fatigue design criteria of pavement were proposed. The design procedure of inclined prestressed concrete pavement was recommended based on comprehensive analysis. Conclusion Due to the requirement of elastic design criterion that the concrete slab does not produce any cracks, it is necessary to consider the fatigue design criteria through case studies.