加拿大不列颠哥伦比亚铁路公司在十英里长的小半径曲线大坡度线路上试验铺设了大约4英里长的没有道钉、轨枕垫板和防爬器的钢枕。据悉,这种钢枕并能适应于22‰和曲线为8度甚至更大一些的曲线上。这个公司采用BHP铁路生产公司的钢枕,证明钢枕具有以下优点:(1)能保持线路的规格和线路结构的完整;(2)使用期长,易于维修;(3)易 British Columbia Railway Company of Canada tested a steel-pillow about 4 miles long without a spike, tie-down pad and anti-climb on a large, 10-mile radius curve. It is reported that this type of steel pillow and can adapt to 22 ‰ and the curve is 8 degrees or more on the curve. This company uses steel pillows from BHP Railroad Manufacturing Co., Ltd. to prove that the steel pillows have the following advantages: (1) they can maintain the specifications of the circuit and the integrity of the wiring structure; (2) have long service life and are easy to maintain; (3)