Abstract
Hot mix asphalt (HMA) is a common material that has been largely used in the road construction industries. The main constituents of HMA are asphalt binder, mineral aggregate, and filler. The asphalt binder bounds aggregate and filler particles together and also waterproofs the mixture. The aggregate acts as a stone skeleton to impart strength and toughness to the structure, while the filler fills pores in the mixture which can improve adhesion and cohesion as well as moisture resistance. The HMA behavior depends on individual component properties and their combined reaction in the mixture. Asphalt binder properties change due to different factors. Over the years, asphalt pavement materials age, causing binder embrittlement which adversely affects pavement service life. Response Surface Method (RSM) is a set of techniques that are used to develop a series of experiment designs, determining relationships between experimental factors and responses, and using these relationships to determine the optimum conditions. Incorporating RSM in pavement technologies can beneficially help researchers to develop a better experimental matrix and give them the opportunity to analyze the changes in pavement performance in a faster, more effective, and reliable way.
Highlights
Infrastructure plays a pivotal role in all countries’ social and economic development
Hot Mix Asphalt (HMA) mainly consists of asphalt binder, mineral aggregate, and filler
Since these procedures were repeated for both binders and mixtures samples, Table 4 only presents the ANOVA, selected model type and mathematical regression models developed for complex modulus of binders
Summary
Infrastructure plays a pivotal role in all countries’ social and economic development. The road construction industry consumes a huge amount of energy and nonrenewable materials. The United States followed by China, Canada and Australia annually produced approximately 500, 150, 45, and 8 million tons of asphalt mixtures, respectively, which lead to the dedication of a significant amount of funds to pavement construction and on pavement maintenance and rehabilitation (M & R) [1–3]. Incorporation of high-quality construction materials, proper construction strategy and equipment, and evaluation of pavement performance along with proper M&R activities, can prevent premature failures in road networks and supply safety and convenience for road users. Hot Mix Asphalt (HMA) has been widely used for road construction. HMA mainly consists of asphalt binder, mineral aggregate, and filler. The HMA behavior depends on individual component properties and their combined reaction in the mixture. The binder is the dominant constituent that controls asphalt
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