厂家直销防护栏 肇庆道路护栏 清远不锈钢桥梁围栏
Manufacturer's direct sale guardrail Zhaoqing road guardrail Qingyuan stainless steel bridge fence
例如：桥梁结构物一般都位于地面以上很高处。
For example, bridge structures are generally located at a high place above the ground.
过大的变形容易导致护栏承受出现除车辆碰撞力以外的其他荷载类型，使受力变得更为复杂。
Too large deformation will easily lead to the occurrence of other load types except vehicle collision force, which makes the stress more complex.