Prospect of using geotextile reinforcement within flexible pavement layers to reduce the effects of rutting in the middle and southern parts of Iraq

IF 1.7 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of the Mechanical Behavior of Materials Pub Date : 2022-01-01 DOI:10.1515/jmbm-2022-0040

Abdul Hadi Meteab AL Sa’adi, F. F. Al-khafaji, T. M. Hashim, Munther L. Abdul Hussein, Y. A. Ali, Alaa H. Ali, Y. M. Jebur, Lina H. Ali, M. Z. Al-mulali, Ashraf Anwer Al-Khazraji

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引用次数: 1

Abstract

Abstract Geotextile reinforcement techniques have been widely used in paving works around the world and have proven to be effective in improving pavement performance. This study has focused on using different positions and numbers of geotextile reinforcement sheets between the layers of flexible pavement for rutting reduction. Fitting depth was measured in the field at seven constructed sections of the pavement of the road model. Each section has been strengthened with different reinforcement approaches. All road sections were subjected to a maximum load repetition of 10,000 cycles. The results indicate that using three layers of geotextile beneath each course of the designed road pavement sections (surface, binder, and base) reduced rutting by 96%. Traffic benefit ratio (TBR) has been employed in this study to reveal the behavior of geotextile reinforcement in increasing the service life of the road. TBR values are the load cycling ratio between the reinforced and unreinforced section for the exact recorded rut depth, it has been found to be minimally equal to 4 for the case of using one layer of reinforcement at interface I, and that value keeps growing up for other reinforcement cases.

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在伊拉克中南部柔性路面层内使用土工布加固以减少车辙影响的前景

摘要土工织物加固技术已在世界各地的路面工程中广泛应用，并被证明能有效提高路面性能。本研究的重点是在柔性路面层之间使用不同位置和数量的土工布加固片来减少车辙。在道路模型路面的七个已施工路段的现场测量了拟合深度。每个部分都采用了不同的加固方法进行了加固。所有路段的最大荷载重复次数为10000次。结果表明，在设计的路面路段（表面、结合料和基层）的每层下面使用三层土工布，可将车辙减少96%。本研究采用交通效益比（TBR）来揭示土工布加固在提高道路使用寿命方面的行为。TBR值是在精确记录的车辙深度下，加筋和未加筋截面之间的荷载循环比，已经发现在界面I处使用一层钢筋的情况下，该值最小等于4，而在其他钢筋情况下，此值不断增加。

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来源期刊

Journal of the Mechanical Behavior of Materials Materials Science-Materials Science (miscellaneous)

CiteScore

3.00

自引率

11.10%

发文量

审稿时长

30 weeks

期刊介绍： The journal focuses on the micromechanics and nanomechanics of materials, the relationship between structure and mechanical properties, material instabilities and fracture, as well as size effects and length/time scale transitions. Articles on cutting edge theory, simulations and experiments – used as tools for revealing novel material properties and designing new devices for structural, thermo-chemo-mechanical, and opto-electro-mechanical applications – are encouraged. Synthesis/processing and related traditional mechanics/materials science themes are not within the scope of JMBM. The Editorial Board also organizes topical issues on emerging areas by invitation. Topics Metals and Alloys Ceramics and Glasses Soils and Geomaterials Concrete and Cementitious Materials Polymers and Composites Wood and Paper Elastomers and Biomaterials Liquid Crystals and Suspensions Electromagnetic and Optoelectronic Materials High-energy Density Storage Materials Monument Restoration and Cultural Heritage Preservation Materials Nanomaterials Complex and Emerging Materials.