Abstract：Research purposes: Handan—Huanghuagang Railway from Handan to Huanghuagang passes through the plain terrain in Hebei Province with characteristics of much farmlands，many roads and shortage of soils along the railway．For accumulating the design experience in construction of grade I freight railway in plain terrain. this paper researches the key technical criteria for Handan—Huanghuagang Railway，mainly on the maximal gradient and subgrade filling criteria．
Research conclusions: Compared with the railway with max．gradient of 6‰，the investment in the railway with max． gradient of 4‰will be increased by 400 million RMB，accounting for 2．5％of the total investment．However，the traction weight of he railway with 4‰ gradient will be up to 7，250 t，80 it is suggested to adopt 4％t gradient for meeting the requirements of heavy—haul transportation，large vehicle in the future and being uniform with neighboring main line of the railway network in the criteria．As there is little subgrade filling materials in plain terrain．it is suggested to use the impmved soil grade A to the surface layer of subgrade and the improved soil grade C to the bottom of the subgrade with rolling compaction to lower the cost and enhance the implementation．
王兴华，李永庆. 邯郸至黄骅港铁路关键技术标准研究[J]. 铁道工程学报, 2009, 26(6): 13-16.
WANG Xing—hua，LI Yong—qing. Research on the Key Technical Standards for Handan—Huanghuagang Railway. 铁道工程学报, 2009, 26(6): 13-16.
2009, Vol. 26 
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