Median barrier is parallel with the highway and used to separate opposing directions of traffic on a divided highway or motorway. It is designed to reduce the risk of errant vehicles especially head-on crash which would be terrible if happens.
Considering the safety of people in the errant vehicle, median barriers should perform well in redirecting light vans, cars and trucks. Traditional concrete barriers is a very common type. Though it is effective and maintenance-free after installation, it should be a little more expensive in the initial cost and more severe injuries.
More and more states and countries prefer to choosing semi-rigid barriers such as w-beam guardrail, box beam guardrail, thrie beam guardrail or cable barriers.
What is the advantage of steel guardrail including cable barrier?
Less initial installation cost;
Higher life cycle-cost;
Absorb energy during a crash.
Cars are running along the w-beam median guardrail
W-beam median guardrail separates the traffic in the opposite directionhigh tension cable barrier standing in the center of highway
Cable barrier mounted on weak steel posts is often used as median road barrier to control the direction of vehicles.
Box beam guardrail in the center of motorway
Median box beam guardrailthrie beam guardrail at the center of the road
Median thrie beam barrier
Cable barrier, also called guard cable or wire road safety barrier (wrsb for short) is getting popular in roadside or median road applications. It includes steel cable and steel posts like h posts. As a result of lower installation cost and effectiveness at controlling vehicles, cable guardrail is increasingly applied by highways or motorways. Depending on tension strength, cable barrier can be divided into low-tension and high-tension type. Each type has its own advantages and disadvantages. However, a high-tension cable barrier system will benefit you more in the long term. If you are not sure which type is right for you, call us for professional advice. Advantages of cable barrier: Cover less area and transparent; More desirable for bicyclists and pedestrians; Low cost and easy installation. Disadvantages of cable barrier: Not as safe as w-beam guardrail; Must be fixed after an impact; Maintenance and repair may be a problem for cold season. Product description: Cable material: high tensile steel wire; Surface treatment: hot-dipped galvanized; Cable diameter: 15 ¡§c 30mm; Post: round, h, u-channel post; Post surface: pvc coating, green or yellow or as required. 4-cable barrier with green pvc coated post 4-cable roadside barrier3-cable barrier along the highway 3-cable road barrier
Open box beam barrier (obb for short) is also found at the road edge or in the center of highways, motorways or other high speed ways. Unlike box beam, open box beam has been coiled into a trapezoidal section. The trapezoidal rail is connected to the post by the fishplates. Commonly, the rail is supplied in 4.8m and 2.4m lengths. According to en 1317, post spacing is 1.2m or 2.4m. Z section post or h post, fishplates, bolts and other accessories are provided at the same time for easy installation. Special request will be available. Product description: Thickness: 5mm; Length: 2.4m and 4.8m or as required; Surface treatment: hot-dip galvanized or powder coated; Post: z post or h post; Standard: en1317. Popular applications: Central reservation of motorways or high speed roads; The approach to bridges; Highway crash barrier; Motorway guardrail. Features & benefits: More rigid performance than armco barrier; Galvanized or powder coated finish; Stronger than other barriers. Open box beam barrier in the center of the highway Open box beam guardrail as median barrier of the highwayopen box crash rail standing in front of the fence Open box beam crash barrier provides an alternative to w-beam or box beam guardrail where stronger barrier is required.
Thrie beam guardrail is manufactured from steel coil of a certain length. The steel plate is then punched, slotted to fit the thrie configuration. Common surface treatment is hot dip galvanized and plastic powder coated in yellow, green or other colors. Thrie beam barrier can be straight or curved to suit different applications. Straight thrie beam barrier is often used as roadside barrier or median barrier to control the traffic. Sometimes modified thrie beam can be used as transitional part of concrete rail to w-beam rail. Features & benefits: Stronger than w-beam guardrail; Less maintenance after installation; No offset block needed. Product description: Beam thickness: 10 ga. (3.43mm) or 12 ga. (2.67mm); Panel width (minimum): 20 inch; Panel depth (minimum): 3 inch; Length: 2.0m or 4.0m; Post: h-post, base-plated post; Steel grade: q235 (equivalent to s235jr / din en 10025 and gr.D / astm a283m), q345 (s355jr / astm a529m 1994), q255jr; Surface treatment: hot dipped galvanized or powder coating; Popular applications: Connecting part between concrete rail to w-beam rail; Median highway barrier; Motorway roadside barrier.
-beam guardrail is shaped from steel coil into W-like rail and typically galvanized to get rid of corrosion from weathers, rains and other threating factors. 10-gauge or 12-gauge corrugated steel rail is strong enough to prevent vehicle accidents in most applications. Sometimes colored powder coating is used to add view to the applications. W beam crash barrier is frequently found in many places. It can be applied to guard work zone safety, asset protection and control the traffic movement. Manufactured in standard AASHTO, lengths will be 12'6" or 25'; special lengths and post-hole spacing are available. According to the actual requirements, W-beam crash barrier can be classified into strong and weak, most different from the thickness of the beam and the post. Remark: A complete set of W-beam guardrail system can be provided for easy installation and economic cost. Product descriptions: Corrugated Steel Gauge: 10 or 12 or as required; Length: 12'6" or 25'; Surface treatment: hot-dip galvanizing (up to 550 g/sqm) or powder coating; Steel Grade: Raw material conforming to IS 5986 Grade Fe 360/Fe 410, IS 10748 Grade II or equivalent; Standard: AASHTO Specifications; Post spacing: 6'3" (strong post) and 12'6" (weak post). Popular Applications: Car parking lot guardrail; Industrial barriers; Roadway guard crash barriers; Median highway crash barrier; Loading bays; Warehouses; Distribution depots; Service roads; Pedestrian areas; Bridge guardrail. Features & Advantages: Widest applications like bridge guardrail; Galvanization prevents corrosion; Installed on strong or weak posts on your request; Powder coating is optional. Full set of accessories ensure easy installation; Less maintenance; Continues to function as effective barrier after minor impacts. Disadvantage: Reduce available road space for pedestrians; Affect the aesthetics. Installation types of W-beam guardrail Single faced single barrier. Single faced double barrier. Double faced single barrier. Double faced double barrier. Installation types of W-beam guardrail Installation types of W-beam guardrail A - Single Faced Single Barrier B - Single Faced Double Barrier C - Double Faced Single Barrier D - Double Faced Double Barrier Strong W-beam guardrail along the highway Single faced single barrierModular W-beam barrier in front of equipment Single faced double barrier
Box beam guardrail, although not as popular as W-beam traffic barrier, is also widely used to protect vehicles, pedestrians and equipment, etc. Horizontal rail is rolled from steel coil into a 6" ¡¨¢ 6" or 6" ¡¨¢ 8" tube. Galvanized surface benefits durability and stability. Special powder coating is available for aesthetic appearance and better weathering resistance. At the same time, open box beam is provided. Box beam guardrail can be hot-dipped galvanized or powder coated. The common silver appearance can resist weather factors. However, powder coating means another protective layer. It is often be yellow which warns the drivers to avoid the barrier. A complete set of box beam guardrail is provided, including end treatment, bolts, posts, brackets and other related accessories necessary for installation. Features & Advantages: Easy installation; Higher durability & no further maintenance; Available as median road barrier; Powder coated finish for better protective layer; Galvanized surface ensure long-term use and free-rust; Higher durability & no added maintenance; Full set provided. Product Description: Base Steel Material: Q235 (equivalent to S235JR / DIN EN 10025 and Gr.D / ASTM A283M), Q345 (S355JR / ASTM A529M 1994), Q255JR, etc. Cross dimension: Length: 2.4m, 4.8m or other special size; Thickness: 10 and 12 gauge; Height: 200mm; Surface treatment: hot-dipped galvanization or powder coating. Popular Applications: Domestic car park perimeters; Protect building walls; Pedestrian handrail post. Box beam guardrail protecting the wall Box guardrail protects the wall from vehicles or other external factors.A red truck is running on the highway with box beam guardrail on both sides Box beam guardrail separates the highway from dangerous place Box beam guardrail with impact head and yellow color Box beam guardrail under the bridge is designed to protect the piers.Box beam guardrail connects with the bridge concrete barrier Single faced double box beam guardrail
W-beam guardrail system is very popular among many countries and states. Seven types of end treatments are supplied. Any type is available in special sizes. W-beam guardrail with boxing glove end treatment Boxing glove end treatmentw-beam traffic barrier equipped with fish tail Fish tail end treatment Hot-dipped stubby nose end for w-beam guardrail W-beam crash barrier stubby nose end treatmentw-beam guardrail turned-down end Turn down end treatment was popular in 1960's. The rail twisted 90 degrees was bent down flat on the ground. W-beam crash barrier with bull nose end Bull nose end treatment for w-beam guardrail is often used in highway w-beam safety. Customized sizes will be provided on request.Breakaway cable terminal equipped with w-beam barrier system W-beam barrier with breakaway cable terminal Sequential kinking terminal for w-beam guardrail in median applications Sequential kinking terminal (skt) for w-beam guardrail absorbs energy made by the crash.
