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专桥5004拱涵标准图是在原标准图专桥5000、专桥5001和参考图叁标桥5003等的基础上,结合长期使用实践编制的。所以专桥5004图包括了以上三套图的全部内容,另外在拱涵的细节、选用、拱架、设计理论和计算方法上均作了一些改进和补充。全图计有设计说明和计算图表、整体式基础拱涵、非整体式基础拱涵、板凳式基础拱涵和低边墙扁平式拱涵等五套图纸,共234张。整体式基础拱涵,单孔有0.75～6.0米共13种孔径,适用于设计流量0.9～66.1米~3/秒;双孔有2.0～6.0米共7种孔径,适用于设计流量10.2～132.2米~3/秒。拱顶至
5004 culvert standard bridge culvert in the original standard map special bridge 5000, special bridge 5001 and reference figure three standard bridge 5003, based on the combined use of long-term practice. Therefore, the special bridge 5004 diagram includes the entire contents of the above three sets of diagrams. In addition, some improvements and additions are made on the details, selection, arches, design theory and calculation methods of the arch culvert. There are 234 sets of drawings such as design description and calculation charts, integral basic arch culvert, non-integral basic arch culvert, bench type basic arch culvert and low side wall flat arch culvert. Integral foundation arch culvert, with a single hole of 0.75-6.0 m total of 13 kinds of aperture, suitable for design flow 0.9 ~ 66.1 m ~ 3 / s; double hole 2.0 ~ 6.0 m total of 7 kinds of aperture, suitable for design flow 10.2 ~ 132.2 M ~ 3 / sec. Vault to