The installation height of the guardrail can pass the full-size collision test between the vehicle and the guardrail.
护栏安装高度可通过车辆与护栏的足尺碰撞试验；
Traffic accident investigation data of the guardrail in use;
使用中护栏的交通事故调查资料；
The geometric characteristics of modern vehicles are analyzed in three aspects to determine, generally.
现代车辆的几何特性分析三方面情况进行确定，一般地。
The center height of the beam of the corrugated beam guardrail, the distance from the road surface to the center of the connecting bolt hole to 60cm is appropriate, Shandong Xinsheng Traffic Facilities Co., Ltd. produces and operates guardrail plate, highway guardrail plate and waveform guardrail plate supporting small parts (anti-block, column cap, bracket, end, bolt, cross partition beam, etc.).
波形梁护栏的横梁中心高度，从路面算起至连接螺栓孔中心的距离以60cm为宜，山东鑫升交通设施有限公司生产经营护栏板、高速公路护栏板及波形护栏板配套小件（防阻块、柱帽、托架、端头、螺栓、横隔梁等）。
The device has the advantages of simple structure, convenient installation and maintenance. (2) The column should be firmly buried in the soil.
该装置结构简单，安装、维修方便，（2）立柱应牢固地埋入土中。
To reach the design level, the washer is continuously punched with flat steel or strip steel, because the bearing surface of the washer is an important factor affecting the torque coefficient, so special attention should be paid to the smooth surface when selecting materials, and pay attention to the various properties of the punching press and the machine used for punching and punching shape.
达到设计程度，垫圈用扁钢或带钢连续冲成，由于垫圈的支承面是影响扭矩系数的重要因素，因此在选材时要特别注意表面的平整光滑，注意垫圈冲孔和冲外形用的冲床和平整机的各种性能。
