Description
Asphalt and bitumen are essential materials used in road construction and maintenance. There are several tests conducted to assess the quality and suitability of these materials. Below are some of the common tests used for asphalt and bitumen:
Penetration Test
Purpose: To determine the hardness or softness of bitumen.
Flash Point Test
Purpose: To determine the temperature at which bitumen emits sufficient vapor toform an ignitable mixture with air.
Softening Point Test
Purpose: To determine the temperature at which bitumen softens.
Marshall Stability Test
Purpose: To assess the strength and stability of the asphalt mix under load.
Asphalt Core Thickness & Density Compaction
Purpose: The thickness and density of an asphalt core are essential factors in determining the performance and durability of an asphalt pavement.
Asphalt Coring
Purpose: Asphalt coring refers to the process of extracting a cylindrical sample (core) of asphalt from a pavement structure. This is typically done to assess the condition, thickness, and composition of the asphalt layer. Coring is an essential part of pavement evaluation and is used in a variety of contexts, including construction, maintenance, and quality control.
Bitumen Content Analysis
Purpose: Bitumen content refers to the proportion of bitumen (asphalt binder) in an asphalt mix. This is crucial because the correct amount of bitumen ensures adequate binding and durability of the mix. The standard procedure to determine the bitumen content is the Solvent Extraction Method.
Grading (Gradation) Analysis
Purpose: Grading analysis evaluates the particle size distribution of the aggregate in the asphalt mix. This is typically done using a sieve analysis, which separates aggregates based on their size.
More detail about NATTEST LAB SDN BHD
Malaysia
