Semi Circular Bend Test (SCB) - Testing Jig
Standard test method, this SCB Testing Jig is a must have for any lab or testing facility. Designed and manufactured by HMA LAB SUPPLY, a name you can trust in the industry, this testing jig will give you accurate and repeatable results for asphalt mixture cracking resistance.
Features
The SCB Testing Jig fits into your load frame so it’s easy to set up and use. Compact and sturdy so it won’t move or vibrate during testing.
This testing jig is for SCB samples tested using the I-Fit method, AASHTO TP-124 LSU test method, and ASTM D8044 standard test method. Whether you’re doing research, quality control or materials testing this jig will meet your testing needs. It also plays a key role in long term pavement performance by giving you reliable data on the durability and life of the pavement materials.
The semi-circular shape of this testing jig allows for precise bending of the samples so you get accurate measurements and data. It can withstand high loads and will accommodate a variety of sample sizes so it’s versatile for many testing applications.
Made from high quality materials this SCB Testing Jig is built to withstand heavy use and last a long time. Robust design so you have a testing tool that will last.
Benefits
Add the SCB Testing Jig to your lab or testing facility and get accurate and repeatable results for your SCB sample testing. The precise bending of this jig will give you consistent measurements so minimal variations and reliable data to analyze.
Using this testing jig will also increase workflow efficiency as it’s easy to set up and use with your load frame. It’s compatible with multiple testing methods so you have flexibility in your testing procedures to meet industry standards and requirements.
Buying this SCB Testing Jig from HMA LAB SUPPLY means buying into the quality and reliability of your testing. With its rugged construction and accurate performance this jig is a must have for any lab or testing facility so your test results are sound and helps advance your research or quality control.
SCB Test
The Semi-Circular Bend (SCB) test is a common method for measuring cracking resistance of asphalt mixtures. It’s simple and reliable so it’s a standard in every asphalt testing lab. By giving you insight into the fracture properties of asphalt mixtures the SCB test is key to low temperature cracking resistance of the materials. Understanding how asphalt mixtures behave at low temperatures is critical to the durability and performance of asphalt pavements. The semi-circular shape of the specimens in this test allows for precise bending and measurement of cracking resistance so the SCB test is a must have in asphalt research and quality control.
SCB Test Method and Equipment
The SCB test involves applying a load to a semi-circular specimen of asphalt mixture, usually 150mm in diameter, until it fractures. This test is done at intermediate temperatures, 10°C to 30°C, to simulate real world conditions. The test equipment consists of a testing jig which has a steel base plate, two L-shaped roller support steel blocks and two steel rollers. These components work together to keep the initial roller position and establish a specific test span dimension. The controlled environment of the testing jig ensures the load is applied uniformly so you can get accurate measurement of the asphalt mixture’s cracking resistance. By analyzing the load displacement curve during the test you can determine the fracture energy and other critical fracture properties of the asphalt mixture.
Testing Jig
The testing jig is the key to the SCB test as it provides the controlled environment for testing asphalt mixtures. Made from high quality steel the jig is designed to minimize errors and give accurate and repeatable results. Its robust design can withstand the high loads during the test and maintain stability and precision. The jig is also compatible with multiple testing devices such as Universal Testing Machines (UTMs) and Asphalt Testing Machines (ATMs) so it’s a versatile tool for different testing setup. By providing a stable and controlled testing environment the jig is critical in getting reliable data on the cracking resistance and fracture properties of asphalt mixtures.
Advantages and Disadvantages
The SCB test has its advantages that’s why it’s a popular method for testing asphalt mixtures. It’s simple and reliable so it’s quick and easy to perform and gives you valuable information on the fracture properties of asphalt mixtures. The test’s ability to measure low temperature cracking resistance is critical for long term performance of asphalt pavements. However the SCB test also has its limitations. It’s sensitive to testing conditions and variations in these conditions can affect the test results. The test may not replicate the actual loading conditions of asphalt pavements in the field. Despite these limitations the SCB test is still a valuable tool to get insight on asphalt mixtures under controlled environment.
In summary the SCB test is a valuable tool for testing asphalt mixtures cracking resistance. Its simplicity, reliability and ability to give valuable information on fracture properties makes it a popular method for asphalt testing laboratories. However you must be aware of the test’s limitations and control the testing conditions to get accurate and repeatable results. By using the SCB test along with other testing methods asphalt engineers and researchers can get better understanding of asphalt mixtures behavior and develop more durable and sustainable asphalt pavements. This holistic approach to testing and analysis will lead to long term performance and reliability of asphalt infrastructure.