Abstract：The paper expounds the conception concerned with the "grading crushed stone” used for the first time in the railway. The research achievements of design, construction and other aspects for the "grading crushed stone" used in dedicated Qin-Shen passenger traffic railway line arc summarized in this paper.
张建邦；李晓峰；白杨军. 秦沈线级配碎石的研究及探讨[J]. 铁道工程学报, 2003, 20(1): 141-144.
ZHANG Jian-bang, LI Xiao-feng, BAI Yang-jun. STUDY AND EXPLORATION ON GRADING CRUSHED STONE FOR DEDICATED QIN-SHEN PASSENGER TRAFFIC RAILWAY LINE. 铁道工程学报, 2003, 20(1): 141-144.
2003, Vol. 20 
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