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落石是山区铁路路基一大病害。仅以哈尔滨铁路局管内三千公里的山区铁路为例,每年都有数十起落石发生。每当春融期或雨季,几乎每天都有落石现象。尤其在地质构造运动强烈的破碎带及大爆破施工的边坡上,落石现象更是防不胜防。绥焦线K280山头,因_块直径约1米的孤石落下未被及时发现,将一列货车翻至河里。这还是在设有人员看守的情况下发生的。
Rockfall is a major disease in mountainous railway subgrade. Take the mountain railway in Harbin Railway Bureau only 3,000 km long as an example, dozens of rockfalls occur every year. Rockfall occurs almost daily every spring or rainy season. Especially in the geological structure of the strong movement of the broken belt and the construction of the slope of the big blast, falling rocks is even more difficult to guard against. Sui Jiao line K280 Hill, due to _ block diameter of about 1 meter fall of the boulder was not found in time, will be a truck turned to the river. This happened with guards.