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Help CenterNational Standard Overpass Guardrails for Urban Expressways, Customized and Processed by Longbang Traffic Facilities
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Guanxian Longbang Traffic Facilities Co., Ltd. mainly deals in the following products:
1. Manufacturer of corrugated guardrails, bridge guardrails, landscape guardrails, river guardrails, 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, bollards, iron horses, water horses, warning posts, crossing stakes, warning stakes, construction barriers, fences
3. Customization of various guardrails such as municipal guardrails, community guardrails, lawn guardrails, school guardrails, guardrails and fences for railway stations and airports, and wire mesh fences for stadiums. Customized and processed national standard overpass guardrails for urban expressways by Longbang Traffic Facilities
Guanxian Longbang Traffic Facilities Co., Ltd. is located in "the hometown of guardrails" - 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 guardrails
Relying on the advantages of the tens of billions of traffic facilities industrial cluster in Guan County, Longbang Traffic has established cold-bending forming production lines for corrugated guardrails, 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 guardrails". It controls the whole process from the re-inspection of raw materials upon warehousing to the delivery of finished products, and is committed to providing high-standard, full-life-cycle safety protection solutions for highway, national and provincial trunk roads, municipal roads, and rural road safety projects across the country. Customized and processed national standard overpass guardrails for urban expressways by Longbang Traffic Facilities
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Double-wave corrugated guardrail
Triple-wave corrugated 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;
Anti-corrosion process: Hot-dip galvanizing (average zinc layer ≥600g/㎡ / ≥85μm), hot-dip galvanizing + colored plastic spraying composite coating, zinc-aluminum-magnesium alloy coating (suitable for coastal/alpine/heavy saline-alkali environments);
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 matching. GB overpass guardrails are customized and processed for urban expressways by Guanxian Longbang Traffic Facilities Co., Ltd.
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Single-column/double-column/cantilever/F-type sign poles for highways and municipal projects;
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Aluminum plate signs, using high-intensity/diamond-grade reflective film, with CNC cutting and automatic film pasting processes;
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Milestones, 100-meter piles, road boundary markers, crossing markers, warning posts. Flyover guardrails
Customized and processed flyover guardrails for urban expressways according to national standards by Guanxian Longbang Traffic Facilities Co., Ltd.
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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, contour markers, raised road studs (cat's eyes), solar warning posts, snow fences, isolation piers;
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Municipal and venue fences: Municipal isolation fences, bridge sidewalk fences, community/stadium/railway protective nets, power fences, etc.
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Customized design: Provide BIM-assisted in-depth design and strengthened fence solutions for special working conditions such as mountainous cliff-side areas, soft foundation sections, and permafrost regions;
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One-stop delivery: Cover the entire process of service from scheme optimization and selection → production progress supervision → national logistics distribution → on-site installation technical guidance;
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Quality traceability: A quality file for each "product" is established 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.
Custom - made national standard overpass guardrails for urban expressways by Longbang Traffic Facilities
March forward like a dragon, ensure safe and smooth roads
Guanxian Longbang Traffic Facilities Co., Ltd. takes "safeguarding the safety of every road" as its mission, adheres to the original intention of quality, and continuously improves manufacturing processes and service levels. It is willing to join hands with engineering construction units, distributors, and all sectors of society to build a solid safety defense line for the construction of a transportation - powerful country! Custom - made national standard overpass guardrails for urban expressways by Longbang Traffic Facilities
Contact us
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Address: 240 meters east of the intersection of Wuxun Avenue and Zhenxing Road, north of the road, Chongwen Sub - district, Guanxian County, Liaocheng City, Shandong Province
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Main products: Corrugated beam steel guardrails and a full set of traffic safety facilities | Signage | Sound barriers | Municipal guardrails | Engineering supporting services
Custom - made national standard overpass guardrails for urban expressways by Longbang Traffic Facilities
National standard overpass guardrails, customized and processed for urban expressways by Guanxian Longbang Traffic Facilities Co., Ltd. Landscape garden guardrails, dry - stacked rubble low walls with a height of 40 - 60 cm. Local river pebbles are matched in different sizes and arranged in a scattered way. The gaps are filled with gravel or planted with moss. The anti - corrosion wooden boards on the top are 30 cm wide, forming seats. It is eco - friendly and low - cost. The ecological revetment guardrails adopt gabion cage structures, filled with natural pebbles inside. The cage size is 2×1×0.5 meters, the wire diameter is 3 mm, and it is anti - corrosive with Galfan coating. The gabion cages are stacked layer by layer to form a stepped shape. The top is poured with concrete coping and railings are installed. The porosity of the gabion cages is 30%, which is beneficial to the growth of aquatic plants and the habitation of fish. The pebble diameter is 10 - 20 cm, and using local materials can reduce costs. This kind of guardrail combines protection and ecological functions. The project cost is about 800 yuan per meter. It is easy to maintain. After damage, you only need to supplement pebbles and repair the cages.
National standard overpass guardrails, customized and processed for urban expressways by Guanxian Longbang Traffic Facilities Co., Ltd. River anti - ship - collision guardrails, floating steel anti - collision boxes of 3×1.5×1 meters, filled with closed - cell foam inside. The steel plate is 6 mm thick. The red - and - white warning paint is connected to the river - bottom anchor through chains. The box body deforms to absorb energy and protect the bridge piers. The guardrails at tidal estuaries need to cope with the twice - daily tide - level changes and the alternate corrosion of saltwater and freshwater. They are made of duplex stainless steel 2205, with the pitting resistance equivalent number PREN≥35. The guardrail columns adopt hollow cross - sections, and drainage holes are set at the bottom to prevent internal water accumulation and corrosion. All welds are treated with pickling and passivation to restore the passivation film. The guardrail foundation uses PHC pipe piles with a pile diameter of 400 mm and a driving depth of more than 20 meters. The pile tops are poured with caps to connect with the guardrails. In the wave - splashing area, the guardrail surface is coated with ceramic paint to enhance the anti - corrosion ability. The design life of this kind of guardrail is 100 years, and it hardly needs maintenance.
National standard overpass guardrails, customized and processed for urban expressways by Guanxian Longbang Traffic Facilities Co., Ltd. River guardrails are mainly used to prevent people from falling into the water and at the same time meet the requirements of flood discharge. The net height on the riverside side is not less than 1.2 meters, and the distance from the bottom to the ground does not exceed 15 cm. The spacing between vertical rods is 11 cm, and the spacing between horizontal rods is 20 cm. When the flow velocity exceeds 2 m/s, the foundation is deepened to 1 meter below the riverbed. Campus landscape guardrails focus on creating a cultural atmosphere. The guardrail panels are made of enameled steel plates, with school mottos, emblems or famous quotes baked on the surface. The enameled steel plates are 2 mm thick, resistant to acid - alkali corrosion, and have a service life of more than 30 years. The text is printed using the screen - printing process, with a clarity of 300 DPI. The guardrail height is 1.1 meters, and the columns are H - shaped steel, with the surface sprayed with the school's theme color. In front of libraries and teaching buildings, the guardrails are partially raised to 1.5 meters to form a cultural wall for displaying students' art works. This kind of guardrail combines safety education with cultural edification.
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