在寒冷地区高的建筑物上大量积雪的猛然滑落会给过往车辆和行人带来危险,引发事故。特别是在桥梁上,车辆和行人无处逃离时,因此,防止雪的猛然滑落更为重要。防止建筑物上积雪滑落有许多方法。一种是人工除雪的方法,由人用高空作业车把积雪去除;二是融雪法,一般是在屋顶或建筑物 The sudden collapse of large amounts of snow in tall buildings in cold regions poses a danger to passing vehicles and pedestrians and can cause accidents. Especially on bridges, when vehicles and pedestrians nowhere to flee, it is even more important to prevent the sudden fall of snow. There are many ways to prevent snow falling on buildings. One is the method of artificial snow removal, by the use of high-altitude work to remove the snow cover; second snow melting method, usually in the roof or building