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Quality Impact Attenuator Guardrail Terminal 610mm 10 Gauge End Terminal Guardrail factory
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Quality Impact Attenuator Guardrail Terminal 610mm 10 Gauge End Terminal Guardrail factory
Quality Impact Attenuator Guardrail Terminal 610mm 10 Gauge End Terminal Guardrail factory
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Impact Attenuator Guardrail Terminal 610mm 10 Gauge End Terminal Guardrail

Brand Name: Kejulixin
Place of Origin: China
Certification: MASH 2016 TL-3, ISO 9001:2015
Minimum Order Quantity: 5 Sets
Price: USD 620-950 / Set
Supply Ability: 300 Sets per Month

Product Details


Material: Q235 Heavy-Gauge Structural Steel Surface Treatment: Hot-Dip Galvanized (ASTM A123)
Steel Thickness: 10 Gauge (3.42 Mm) Guardrail Compatibility: W-Beam / Thrie Beam Systems
Crash Test Standard: MASH 2016 TL-3 Energy Absorption: 85 KJ Per Crush Tube Module
Nose Width: 610 Mm Impact Face Terminal Length: 12.19 M / 40 Ft Standard
Highlight

guardrail terminal 610mm

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impact attenuator guardrail terminal

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10 gauge end terminal guardrail

Product Description

Galvanized Steel Bullnose Guardrail Terminal Impact Attenuator MASH TL-3 Certified Highway End Treatment

 

This Galvanized Steel Bullnose Guardrail Terminal Impact Attenuator provides a superior end treatment solution for median barrier and wide-hazard guardrail installations. The bullnose configuration features a rounded impact head that distributes crash forces evenly across the vehicle front end, significantly reducing occupant compartment intrusion compared to traditional blunt or flared terminals. Fabricated from heavy-gauge Q235 structural steel with a complete hot-dip galvanized coating system, this terminal assembly is engineered for MASH Test Level 3 compliance and long-term durability in aggressive roadside environments.

The bullnose design offers a distinctive advantage in confined spaces where flared terminals cannot accommodate the required lateral offset. By directing impact energy axially along the barrier line rather than laterally, the bullnose terminal minimizes the clear zone width needed for effective crash performance. This makes it the terminal of choice for narrow medians, urban arterial roads, bridge rail transitions, and work zone temporary barrier arrays. The impact head incorporates a series of energy-dissipating crush tubes that collapse sequentially under load, providing a controlled deceleration profile that protects vehicle occupants while preserving the structural integrity of the downstream guardrail system.

Each bullnose terminal undergoes rigorous factory acceptance testing including dimensional inspection of all welded assemblies, zinc coating thickness verification at no fewer than twelve measurement points per unit, and mechanical torque testing of all fastener joints. The terminal ships with a comprehensive installation manual, torque specifications for all bolted connections, and a maintenance inspection checklist covering post-installation verification procedures. Extended technical support from our engineering team covers site-specific soil analysis for anchor design optimization and custom length configurations for non-standard barrier heights.

Key Features

Bullnose Crash Cushion Design: Rounded impact head geometry evenly distributes collision forces across the vehicle front end, minimizing peak cabin deceleration and preventing guardrail end penetration through the engine compartment.

MASH TL-3 Certified Performance: Validated through full-scale crash testing with 1,100 kg and 2,270 kg vehicles at 100 km/h impact speeds and 25-degree approach angles, meeting all Manual for Assessing Safety Hardware evaluation criteria.

Sequential Crush Tube Absorbers: Internal energy-dissipating elements collapse in a programmed sequence under impact loading, delivering a controlled deceleration pulse that reduces occupant injury risk while maintaining barrier continuity.

Compact Footprint Installation: Axial energy dissipation along the barrier line eliminates the need for lateral flare offsets, enabling deployment in narrow medians and constrained urban environments where traditional flared terminals cannot be installed.

Heavy-Gauge Steel Construction: 10-gauge structural steel shell with internal stiffener rings provides superior impact resistance and fatigue durability under repeated minor impacts from snowplow operations and maintenance vehicle contact.

Complete Installation Package: Includes bullnose head assembly, transition section panels, anchor post kit with soil plates, grade 10.9 high-strength fasteners, and reflective hazard marker panels for enhanced night visibility.

Technical Specifications
Parameter Specification
Product Type Bullnose Guardrail Terminal Impact Attenuator
Material Q235 Heavy-Gauge Structural Steel
Surface Treatment Hot-Dip Galvanized (ASTM A123, 610 g/m² minimum)
Steel Thickness 10 Gauge (3.42 mm nominal)
Guardrail Compatibility W-Beam / Thrie Beam Guardrail Systems
Crash Test Standard MASH 2016 Test Level 3
Impact Speed Rating Up to 100 km/h (62 mph)
Energy Absorption Capacity ≥ 85 kJ per Crush Tube Module
Nose Width 610 mm (24 inches) Impact Face
Terminal Length 12.19 m (40 ft) Standard Configuration
Anchor Requirement 3-Post Driven Anchor with Concrete Footing Option
Applications

The bullnose terminal is designed for deployment at upstream guardrail ends in narrow medians, urban highway segments with restricted right-of-way, bridge rail approach transitions, and temporary traffic control zones where construction phasing limits available clear space. It is particularly suited for median barrier terminations on divided highways, gore area protection at exit ramp splits, toll plaza lane dividers, and concrete barrier transitions where a rounded impact face minimizes vehicle snagging risks. The terminal is compatible with both W-beam and Thrie beam downstream guardrail systems, allowing standardized specification across mixed-barrier highway networks.

Packaging & Quality Assurance

Each bullnose terminal assembly is palletized on a reinforced steel skid with individual components separated by high-density foam spacers to prevent galvanized surface contact abrasion. The package is wrapped with UV-stabilized polyethylene film and secured with polyester straps rated at 500 kg breaking strength. Quality control measures include 100 percent visual weld inspection per AWS D1.1 standards, ultrasonic thickness gauging of steel plate material, zinc coating weight verification by magnetic induction, and dimensional conformance checks against approved shop drawings. A traceable quality certificate with heat numbers, coating reports, and torque calibration records is provided with each delivery. The manufacturer warranty covers material and workmanship defects for 24 months under normal outdoor exposure conditions.

Product Highlights

MASH TL-3 certified bullnose guardrail terminal impact attenuator with sequential crush tube energy absorption system and heavy-gauge galvanized steel construction for narrow median applications.

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