Thrie Beam also known as Three wave beam guardrail, is widely used in China highway road and the dangerous road section , bridge road, air station and other import traffic road control restraint systems .
The overall length for one piece of thrie beam guardrail is 4.32meter. Post distance is 4.0 meter.
Width of thrie beam guardrail is 506mm, Thickness of thrie beam is 3.0--4.0mm.
One kilometer of thrie beam guardrail (post distance is 4.0 meters): 250 nos of thrie beam guardrailr , 2 nos of end rail, 251nos post, 251 nos of spacers (block-out); 3000 sets of M16*35 bolts nuts; 1004 sets of M16*45 bolts and nuts; 10004 nos of flat rectangle washers.