The Semi-Circular Bending (SCB) Fixture for asphalt mixtures is a precision testing device designed for evaluating the fracture resistance and cracking performance of asphalt materials. It is widely used in laboratory SCB tests to analyze low-temperature cracking behavior and structural durability of asphalt mixtures, ensuring reliable and standardized performance testing results for pavement engineering applications.

Semi-Circular Bending (SCB) Fixture

Model:TD-624

I. Product Introduction

The Semi-Circular Bending (SCB) Fixture is designed for SCB tests of asphalt mixtures, and is widely used to evaluate the fracture resistance and anti-cracking performance of asphalt pavement materials under controlled loading conditions.

This fixture complies with the requirements of DB13/T 2513-2017 Technical Guidelines for Foamed Asphalt Cold Recycling of Highway Asphalt Pavement, ensuring reliable and standardized testing results for laboratory and engineering applications.

II.Application

The SCB fixture is used in conjunction with universal testing machines or asphalt mixture performance testing systems. It is suitable for:

Fracture toughness evaluation of asphalt mixtures；

Low-temperature cracking resistance analysis；

Pavement durability research and quality control；

Laboratory performance testing of asphalt materials。

III.Features

High-precision machining ensures stable loading conditions;

Standardized geometry for repeatable SCB test results;

Durable steel structure for long service life;

Easy installation and compatibility with universal testing systems;

Designed according to international and domestic pavement testing standards.

IV. Technical Specifications

Upper loading head and support radius: 10 mm

Upper loading head and support length: 60 mm

Distance between lower supports (center-to-center): 120 mm

Connection thread: Internal thread M12