Abstract：In this paper，some problems have been successfully solved encountered in the fields of the Qin-Shen high speed railway construction when the CPN M C-3 PO RTAPROBE( Nuclear Density Apparatus) was used to test the effectiveness of roller compaction. It is considered necessary to use the Nuclear Density Apparatus in the construction of roadbed which needs high degree compaction. And on the basis of analysis，the description of some problems has been made which should be paid more attention when the Nuclear Density Apparatus is used to test the degree of compaction in high speed railway roadbed construction.
谢永涛1，赵慧丽2，赵飞扬3，满泽联3. 核子仪在秦沈高速铁路建设中的应用[J]. 铁道工程学报, 2000, 17(4): 35-37.
XIE Yong-tao1，ZHAO Hui-li2，ZHAO Fei-yang3，MAN Ze-lian3. APPLICATION OF NUCLEAR DENSITY APPARATUS IN CONSTRUCTION OF QIN-SHEN HIGH SPEED RAILWAY. Journal of Railway Engineering Society, 2000, 17(4): 35-37.
2000, Vol. 17 
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