Non-standard Bridge Guardrail Thickened Columns, Customized Upon Request. Longbang Traffic Facilities
Guanxian Longbang Traffic Facilities Co., Ltd. mainly deals in the following products:
1. Manufacturer of corrugated beam barriers, bridge barriers, landscape barriers, river barriers, signposts and signs (construction services available)
2. Signboards, signposts, reflective signs, wide-angle mirrors, aluminum road studs, corner guards, colored corner guards, anti-glare panels, trapezoidal contour lights, rectangular contour lights, speed bumps, anti-glare panels, barbwire fences, iron horses, water horses, warning posts, crossing stakes, warning piles, construction barriers, and fences
3. Customization of various barriers such as municipal barriers, community barriers, lawn barriers, school barriers, fences for railway stations and airports, and wire mesh fences for stadiums. 
About Longbang
Guanxian Longbang Traffic Facilities Co., Ltd. is located in the "Hometown of Barriers" - Guan County, Liaocheng City, Shandong Province. It is a modern comprehensive service provider integrating R & D, precision manufacturing, sales and trade, engineering design, and construction and installation, focusing on the field of road traffic safety facilities. Liaocheng overpass barriers
Relying on the advantage of the tens of billions - level traffic facilities industrial cluster in Guan County, Longbang Traffic has built a cold - bending forming production line for corrugated beam barriers, fully automatic CNC punching equipment, hot - dip galvanizing and electrostatic spraying anti - corrosion treatment production lines. It strictly implements the ISO9001 quality management system and the national standard GB/T 31439 "Corrugated Beam Steel Barriers". It controls the whole process from the re - inspection of raw material warehousing to the finished product delivery, aiming to provide high - standard and full - life - cycle safety protection solutions for highway, national and provincial trunk roads, municipal roads and rural road safety projects across the country. 
Full - range product matrix. Customized requirements for thickened columns of non - standard overpass barriers from Longbang Traffic Facilities
️ Highway corrugated beam steel barrier system
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Double-wave W-beam Guardrail: Gr-C / Gr-B / Gr-A grade, with a plate thickness of 2.5 - 4.0mm, suitable for county and township roads and ordinary highways;
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Triple-wave W-beam Guardrail: Gr-A / Gr-SB / Gr-SA grade, reinforced 506mm wide wave plate, suitable for expressways, sharp bends in mountainous areas and approach roads of extra-large bridges;
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Anti-corrosion Process: Hot-dip galvanizing (average zinc layer ≥600g/㎡ / ≥85μm), hot-dip galvanizing + color powder coating composite coating, zinc-aluminum-magnesium alloy coating (suitable for coastal/alpine/heavy saline-alkali environments);
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Complete Set of Accessories: φ114/φ140 round columns, 130×130 square columns, anti-blocking blocks (196×178×200×4.5mm), brackets, R160/R250/R350 end heads, column caps, M16/M20 high-strength anti-theft bolts, etc. are supplied in a complete set.
Customized requirements for thickened columns of non-standard overpass guardrails by Guanxian Longbang Traffic Facilities Co., Ltd.
Traffic Signs, Signboards and Poles
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Single-column/double-column/cantilever/F-type sign poles for expressways and municipal use;
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Aluminum plate signs, using high-intensity/diamond-grade reflective film, with CNC cutting and automatic film-laminating processes;
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Mileposts, hundred-meter stakes, road boundary markers, crossing marking stakes, warning posts. Flyover guardrails
Customize non-standard flyover guardrail thickened posts from Guanxian Longbang Traffic Facilities Co., Ltd.
Other traffic safety and municipal security products
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Anti-glare facilities: Anti-glare panels, anti-glare nets;
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Sound barriers and noise reduction products: Metal louver/microporous composite sound-absorbing barriers, suitable for highways and urban expressways;
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Road ancillary facilities: Speed bumps, delineators, raised pavement markers (cat's eyes), solar warning posts, snow fences, isolation piers;
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Municipal and Site Guardrails: Municipal isolation guardrails, bridge sidewalk guardrails, community/stadium/railway protective nets, power guardrails, etc.
Engineering Services and Core Advantages
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Customized Design: Provide BIM-assisted in-depth design and reinforced guardrail solutions for special working conditions such as mountainous areas along cliffs, soft foundation sections, and permafrost regions;
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One-stop Delivery: Cover the whole-process services from scheme optimization and selection → production progress supervision → national logistics distribution → on-site installation technical guidance;
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Quality Traceability: Establish a "one-item" quality file for key products, with traceable parameters and support for third-party testing; Overpass guardrails
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National Response: A mature logistics cooperation network and a professional after-sales team provide technical consultation and installation training support.
Customized requirements for thickened columns of non-standard overpass guardrails, Guanxian Longbang Traffic Facilities Co., Ltd.
Corporate Philosophy
Longxing Avenue · Bang'an Road Smooth
Guanxian Longbang Traffic Facilities Co., Ltd. takes "Protecting the safety of every road" as its mission. It adheres to the original intention of quality and continuously improves the manufacturing process and service level. It is willing to join hands with engineering construction units, distributors and colleagues from all walks of life to build a solid safety defense line for the construction of a transportation power! Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails
Contact Us
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Address: North of the road, 240 meters east of the intersection of Wuxun Avenue and Zhenxing Road, Chongwen Street, Guan County, Liaocheng City, Shandong Province
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Main products: Corrugated beam steel guardrails and a full set of traffic safety facilities | Signboards | Sound barriers | Municipal guardrails | Engineering supporting services
Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails
Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails. The folding angle of the zigzag guardrail is 150 - 170 degrees, and the radius at the turning point is not less than 300 mm. Each section is 3 - 6 meters long, continuously welded and then cut in sections. The color of the fluorocarbon spray changes with the light. The torque effect needs to be considered in the anti - collision calculation to strengthen the column section. The temperature - controlled color - changing bridge guardrail uses thermochromic paint, which shows different colors with the change of temperature. It is dark blue at low temperature and turns light pink at high temperature. The color - changing temperature range is from - 10℃ to 40℃. The particle size of the paint microcapsules is 5 - 10 microns, with good weather resistance and an outdoor service life of more than 3 years. This kind of guardrail can be used as a temperature indicator to remind drivers of the risk of road icing. In the northern winter, when the guardrail turns dark blue, it means the temperature is close to zero, and drivers need to drive carefully. It has been used on an experimental bridge in Heilongjiang, and the feedback is good.
Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails. The gabion box of the ecological revetment guardrail is 2×1×0.5 meters, filled with pebbles. The steel wire diameter is 3 mm, galvanized with Galfan. The porosity is 30%, which is beneficial to the growth of aquatic plants. The top is covered with concrete. The maintenance cost is about 800 yuan per meter, and the maintenance is simple. The weathering steel bridge guardrail uses the dense oxide layer formed on the surface of the weathering steel to prevent further corrosion, without painting and maintenance, and the whole - life cycle cost is reduced by 30%. The grade of the weathering steel is Q355NH, with a yield strength of 345 MPa and a tensile strength of 490 MPa. Initially, the surface is reddish - brown, gradually turning dark brown over time, and finally forming a stable passive film. In areas with serious pollution, the surface sediment needs to be washed regularly to promote uniform rusting. When welding, the matching welding wire ER55 - G is used, and the pre - heating temperature is above 100 degrees Celsius to prevent cold cracks. This kind of guardrail is full of industrial aesthetic flavor and is deeply favored by designers.
Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails. The modern and minimalist guardrail is made of stainless steel square tubes of 30×30 mm with a wall thickness of 2 mm and a wire - drawing treatment. The spacing is 15 cm, and it is semi - transparent. The columns are hidden in the green belt, and the bottom is suspended 10 cm to create a floating feeling. It costs about 800 yuan per meter and is suitable for modern squares. The guardrail for the river dredging access road adopts a detachable design, which is convenient for the dredging machinery to enter and exit. The standard section is 3 meters long and is connected by bolts. Two people can disassemble and assemble it. The bottom of the guardrail column is welded with a flange plate, which is fixed with the pre - embedded anchor bolts. The guardrail can be removed by loosening the nuts. The height of the guardrail is 1 meter, and there is a 30 - cm gap at the bottom for easy sludge shoveling. The material is Q235B steel, which is hot - dip galvanized. During the dredging operation, part of the guardrail is temporarily removed and immediately restored after the completion. This flexible design not only ensures daily safety but also does not hinder river maintenance.
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Customized requirements for thickened columns of non-standard overpass guardrails by Guanxian Longbang Traffic Facilities Co., Ltd.
Customize non-standard flyover guardrail thickened posts from Guanxian Longbang Traffic Facilities Co., Ltd.
Customized requirements for thickened columns of non-standard overpass guardrails, Guanxian Longbang Traffic Facilities Co., Ltd.
Customize Longbang Traffic Facilities for the demand of thickened columns of non-standard overpass guardrails

