Description
Bridge guardrail and railings setting principles
1. Roadside guardrail must be set up on highway Bridges of all levels.
2. Highways and primary highway Bridges as secondary trunk lines must be equipped with median guardrail, while primary highway Bridges as distributed roads should be equipped with median guardrail.
3. For highway bridges with design speed less than or equal to 60km/h, sidewalks pedestrians (bicycle lanes) can be separated from vehicle lanes by kerb; for highway bridges with design speed greater than 60km/h, sidewalks pedestrians and vehicle lanes should be separated by bridge guardrail.
Regulations of protection grade for roadbed guardrail
Road classification Design speed
(km/h) Accident severity level
Low Middle High
High speed 120 A, Am
B, Bm SB, SBm SS, SSm
100,80 SA, SAm
1st grade road
60 A, Am SB, SBm
2nd grade road 80,60 A
3rd grade road
4th grade road 40 C B A
30,20 C B
Construction regulations of bridge guardrail
1. The construction of metal beam-column guardrail should meet the following requirements:
(1) The guardrail collision surface should be smooth, continuous, without sharp corners, between the metal column and beam should meet the width requirements to vehicle restraint.
(2) The total height of metal beam-column guardrail of SB grade and below protection grade shall not be less than 1.00 meters, the total height of metal beam-column guardrail of SA grade shall not be less than 1.25 meters, and the total height of metal beam-column guardrail of SS grade and above protection grade shall not be less than 1.50 meters.
Restraint grade Minimum weighted average height(mm)
B 600
A 600
SB 700
SA 800
SS 900
HB 1000
HA 1100
- bridge barrier
- bridge guardrail
- crash barrier in bridge
- highway crash barrier
- roller barrier
- rolling barrier
Production Capacity:
10000
Delivery Timeframe:
Within 30 Days
Incoterms:
CFR - Cost and Freight
CIF - Cost, Insurance and Freight
CIP - Carriage and Insurance Paid to
CPT - Carriage Paid to
DAF - Delivered At Frontier
DDP - Delivered Duty Paid
DDU - Delivered Duty Unpaid
DEQ - Delivered Ex Quay
DES - Delivered Ex Ship
EXW - Ex Works
FAS - Free Along Ship
FCA - Free Carrier
FOB - Free on Board
Packaging Details:
Wooden box
More about
Shandong Horizon International Co., Ltd.
10-50
Employees
500K - 1M
Sales volume (USD)
80%
% Export sales
Year
Established
Business type
- Industry / Manufacturer
Keywords
- Wave guardrails
- roller guardrails
- bridge guardrails
- hot-dip galvanized steel products
Contact and location
- Hiking Gao
- +86 xxxxxxxx
- Liaocheng / Shandong | China