Vinyl-ester-based polymer concrete incorporating high volume fly ash under tensile, compressive, and flexural loads

Rochman, Taufiq; Sumardi, Sumardi; Susilo, Sugeng Hadi; Wardhana, Handra Adhi

doi:10.1016/j.jksues.2023.03.001

Cited by 1 publication

(2 citation statements)

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“…To evaluate the mechanical properties of the resulting PP/HDPE polymer composites, tensile and flexural tests were performed using a SHIMADZU AGX-V universal testing machine with a 5 kN load cell, following ASTM D638-03 [ 53 ] (Type IV) and ASTM 790 [ 54 ] standards [ 55 ]. The tests allowed us to determine mechanical properties of the composites, such as elastic modulus, maximum stress, and maximum deformation.…”

Section: Methodsmentioning

confidence: 99%

“…To better understand the mechanical properties of the resulting PP/HDPE polymer composites, five specimens were tested under controlled conditions. This included tensile and flexural tests performed using a SHIMADZU AGX-V universal testing machine with a 5 kN load cell, following ASTM D638-03 (Type IV) and ASTM 790 standards [ 55 ]. Each specimen was securely positioned within the grips of the testing machine to ensure uniform application of force and to prevent slippage.…”

Section: Methodsmentioning

confidence: 99%

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Evaluation of the Effectiveness of Geogrids Manufactured from Recycled Plastics for Slope Stabilization—A Case Study

Vicuña,

Jaramillo-Fierro,

Cuenca

et al. 2024

Polymers

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This study aimed to investigate the sustainable use of recycled plastics, specifically polypropylene (PP) and high-density polyethylene (HDPE), in the manufacture of geogrids for geotechnical and civil engineering applications. Plastics were collected from a recycling center, specifically targeting containers used for food, cleaning products, and other domestic packaging items. These plastics were sorted according to the Möbius triangle classification system, with HDPE (#2) and PP (#5) being the primary categories of interest. The research methodologically evaluates the mechanical properties of PP/HDPE (0/100, 25/75, 50/50, 75/25 and 100/0% w/w) composites through tensile and flexural tests, exploring various compositions and configurations of geogrids. The results highlight the superiority of pure recycled HDPE processed into 1.3 mm thick laminated yarns and hot air welded for 20 to 30 s, exhibiting a deformation exceeding 60% in comparison to the PP/HDPE composites. Through SolidWorks® Simulation, it was shown that the adoption of a trigonal geogrid geometry optimizes force distribution and tensile strength, significantly improving slope stabilization efficiency. Based on the results obtained, a laboratory-scale prototype geogrid was developed using an extrusion process. The results underscore the importance of careful composite design and yarn configuration selection to achieve the desired mechanical properties and performance in geogrid applications. It emphasizes the potential of recycled plastics as a viable and environmentally friendly solution for stabilizing slopes, contributing to the reduction in plastic waste and promoting sustainable construction practices.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%