焊接钢管的焊缝应平整、无焊渣、突起。构件镀锌层表面应均匀完整、颜色一直，表面具有实用性光滑，不得有流挂、滴瘤或多余结块。立柱固。其顶部应无明显踏扁、变形、开裂等缺陷。
圣高交通设施有限公司生产+销售+安装双波护栏板，防阻块，立柱，柱帽，喷塑护栏板，镀锌护栏板，双波及三波护栏板
护栏板是一种操纵土基、立柱、横梁的变形来吸引碰撞能量，迫使改变标的目的，恢复到正常行驶标的目的，防止车辆公路波形护栏板的分类：
The guardrail plate is a kind of deformation by using soil base,
column and crossbeam to attract collision energy, forcing the vehicle to change
direction, return to normal driving direction, to prevent the vehicle off the
road, protect the passengers and vehicles in the car, so as to reduce the loss
of the accident. Classification of highway wave barrier plate:1）、按防撞品级，可分为
A级和
S级。
S级增强型的
