Innovative design of self-adhesive basalt fiber mesh geotextiles for enhanced pavement crack resistance

IF 4.7 1区 工程技术 Q1 ENGINEERING, GEOLOGICAL Geotextiles and Geomembranes Pub Date : 2023-12-19 DOI:10.1016/j.geotexmem.2023.12.003
Zehua Zhu , Peng Xiao , Aihong Kang , Changjiang Kou , Bangwei Wu , Zhiwei Ren
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Abstract

This study introduces a novel design of self-adhesive basalt fiber mesh geotextile, aiming to significantly enhance the crack resistance of asphalt pavements. Reflective cracks from environmental and traffic stresses in traditional semi-rigid asphalt pavements, compounded by current geotextiles' mechanical and adhesion limitations, reduce service life. This study explores the mechanical properties, adhesion to asphalt, and resistance to simulated cracking of self-adhesive basalt fiber mesh geotextiles within pavement structures. This is accomplished through a series of mechanical tests, interfacial adhesion tests, and advanced characterization using Digital Image Correlation. The results indicate that the distinctive pore structure of basalt fiber mesh geotextiles introduces an embedded interlocking reinforcement effect, which significantly enhances the strength of the composite geotextile. The SAM-160M specimen demonstrates a maximum tensile strength of 3.599 kN, surpassing that of the plain fabric specimen by over 34%. The twisted weaving process of the mesh fabric improves adhesion to asphalt by 14.54% compared to plain fabric, thereby enhancing the performance of the pavement structure's interlayer and its resistance to cracking. The mesh fabric excels at dispersing concentrated stresses, enhancing weak interface zones, and increasing the structural capacity and longevity of pavements. These improvements support sustainable road construction with broad engineering applications.

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创新设计自粘玄武岩纤维网土工织物,增强路面抗裂性
本研究介绍了一种新型自粘玄武岩纤维网土工织物设计,旨在显著提高沥青路面的抗裂性能。传统的半刚性沥青路面因环境和交通应力而产生反射裂缝,加上目前土工织物的机械性能和粘附性限制,缩短了使用寿命。本研究探讨了路面结构中自粘玄武岩纤维网土工织物的机械性能、与沥青的粘附性以及抗模拟裂缝的能力。为此,我们进行了一系列机械测试、界面粘附性测试,并使用数字图像相关技术进行了高级表征。结果表明,玄武岩纤维网土工织物独特的孔隙结构引入了嵌入式互锁加固效应,从而显著增强了复合土工织物的强度。SAM-160M 试样的最大抗拉强度为 3.599 kN,比普通织物试样高出 34% 以上。与普通织物相比,网状织物的扭曲编织工艺提高了 14.54% 的沥青附着力,从而增强了路面结构夹层的性能和抗裂性。网状织物在分散集中应力、增强薄弱界面区、提高路面结构承载能力和使用寿命方面表现出色。这些改进有助于可持续的道路建设,并具有广泛的工程应用前景。
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来源期刊
Geotextiles and Geomembranes
Geotextiles and Geomembranes 地学-地球科学综合
CiteScore
9.50
自引率
21.20%
发文量
111
审稿时长
59 days
期刊介绍: The range of products and their applications has expanded rapidly over the last decade with geotextiles and geomembranes being specified world wide. This rapid growth is paralleled by a virtual explosion of technology. Current reference books and even manufacturers' sponsored publications tend to date very quickly and the need for a vehicle to bring together and discuss the growing body of technology now available has become evident. Geotextiles and Geomembranes fills this need and provides a forum for the dissemination of information amongst research workers, designers, users and manufacturers. By providing a growing fund of information the journal increases general awareness, prompts further research and assists in the establishment of international codes and regulations.
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