Abstract

Ispitivanje utjecaja nano čestica minerala uleksita na mehaničko ponašanje toplih asfaltnih mješavina

Highlights

  • Turkey has about 63 % or 803 million tons of the world’s boron reserves [1]

  • This situation indicates that the nano ulexite additive material gives resistance to the Warm Mix Asphalt (WMA) by reducing tendency to crack at low temperatures

  • Low Temperature (Bending Beam Rheometer-BBR), Marshall Stability, Indirect Tensile Strength Modulus and Susceptibility tests were conducted in this study, in which nano sized ulexite minerals were added to the warm mix asphalt

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Summary

Introduction

Turkey has about 63 % or 803 million tons of the world’s boron reserves [1]. Annual production of boron ore in Turkey amounts to about 1.3 million tons. It was concluded that the boron residue can be used in asphalt pavements subjected to medium and low-traffic [26] Based on this background information, boron minerals, abundant in Turkey holding the majority of the world’s boron reserves, were added in this study to the foamed warm mixture asphalt at varying ratios in submicron dimensions. Properties such as adhesion and strength, changed with more stable structures obtained by reducing minerals to submicron sizes, are investigated in this research. This study, in which the use of nano sized boron (ulexite) minerals in warm mix asphalt is evaluated, is unique in literature as to this particular aspect

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