一、木枕防裂措施的现状 日本国营铁路采取的木枕防裂措施,有铁线箍、环状防裂钉及钢带箍。近来,从作业效率及防裂效果方面考虑,大部分采用环状防裂钉,并采用液压打入机械,可以两端同时作业。由于全面采用了防裂措施及刻痕注油处理,木枕的质量、性能及使用年限均比以前提 First, the status quo of wooden pillow anti-cracking measures Japan State-owned railway to take the wooden pillow crack prevention measures, a wire hoop, ring-shaped crack nails and steel hoops. Recently, from the aspect of work efficiency and anti-cracking effect, most of them adopt ring-shaped crack-proof nails and adopt hydraulic driving machinery, and can work at both ends simultaneously. Due to the full use of anti-cracking measures and scoring oiling treatment, wooden pillow quality, performance and service life than the previous mention