This study analysis the critical issues and quality control points for sand-filling subgrade with case study of Shanghai S32 freeway construction practice.
论文结合上海S32高速公路填砂路基施工实践，探讨了填砂路基施工的关键问题和质量控制要点。
2
Shawn Keith, certified personal trainer, recommends filling tennis balls and tennis cans with sand or change for some great handheld weights.
职业私人教练肖凯什推荐将网球和网球罐装满沙子或者硬币，这非常有利于做些手握式的重量训练。
3
This paper describes main technical characteristics of underhand drift hydraulic sandfilling method and its successful application at North Part of Wushan Copper Mine.