Results 1 to 10 of about 6,954 (238)
Case Studies in Construction Materials, 2022 For longer spans of reinforced concrete elements, design codes dictate the use of sufficient lap splice length. Insufficient lap splice length decreases the flexural strength and ductility of reinforced concrete (RC) beams, while fiber addition improves ...
Süleyman Kamil Akın +5 more
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Effects of Aggregate Micro Fines (AMF), Aluminum Sulfate and Polypropylene Fiber (PPF) on Properties of Machine-Made Sand Concrete [PDF]
Applied Sciences, 2019 With the depletion and increasing demand of river sand, machine-made sand could be used more and more in concrete. In order to improve the properties of machine-made sand concrete, the effects of the aggregate micro fines (AMF) content, aluminum sulfate,
Hang He, Yuli Wang, Junjie Wang
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Acta Polytechnica CTU Proceedings, 2017 This paper focuses on the mechanical properties investigation of cement pastes reinforced with surface treated polymer fibers. The cement matrix was composed of Portland cement (CEM I 42.5 R, w/c ratio equal to 0.4). Two polypropylene fiber types (micro-
Jakub Antoš +3 more
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Journal of Materials Research and TechnologyIn order to investigate the effects of metakaolin and polypropylene (PP) fiber on the macroscopic mechanical properties and microscopic mechanisms of cement soil subjected to freeze-thaw cycles, a series of unconfined compressive strength (UCS) and splitting tensile strength (STS) tests were conducted on samples with varying dosages of metakaolin and ...
Pengfei Wei, Guoxiong Mei, Haoqing Xu
exaly +3 more sources
GiantTunable surface amphiphilic polypropylene (PP) fibers and textiles with multi-grooved hydrophilic micro-structures have been prepared through a commercially scalable segmented pie bicomponent fiber melt spinning and post-treatment process.
Ruilong Liu +6 more
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Optimization of the composition of fiber foam concrete with polypropylene fiber Fox Polfiber M12 produced by basf company [PDF]
E3S Web of Conferences, 2023 The results of experimental studies on optimizing the composition of non-autoclaved fiber foam concrete with polypropylene fiber Fox Polfiber M12 produced by BASF (Germany) and on determining its properties are presented in the article.
Ilyasov Allanazar +3 more
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Long-Term Properties of Different Fiber Reinforcement Effect on Fly Ash-Based Geopolymer Composite
Crystals, 2021 Geopolymer composites have been around only for 40 years. Nowadays, they are used in buildings and infrastructures of various kinds. A geopolymer’s main benefit is that it is a green material that is partially made by utilizing waste products. The carbon
Rihards Gailitis +5 more
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An experimental study of bending resistance of multi-size PFRC beams
Reviews on Advanced Materials Science, 2023 To study the effects of macro- and micro-fiber on the concrete beams, bending resistance tests were conducted on the polypropylene fiber-reinforced concrete beams.
Liang Ninghui, Yang Xin, Hu Yang
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Corrosion resistance of multiscale polypropylene fiber-reinforced concrete under sulfate attack
Case Studies in Construction Materials, 2022 To study the corrosion resistance properties of multiscale polypropylene fiber-reinforced concrete (MPFRC) when subjected to sulfate attack, two types of fine polypropylene fiber (FPF) and one type of coarse polypropylene fiber (CPF) were selected for ...
Ninghui Liang +4 more
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Reinforcing Efficiency of Micro and Macro Continuous Polypropylene Fibers in Cementitious Composites [PDF]
Applied Sciences, 2019 The effect of the microstructure of hydrophilic polypropylene (PP) fibers in the distribution of cracking associated with the strengthening and toughening mechanism of cement-based composites under tensile loading was studied. Using a filament winding system, continuous cement-based PP fiber composites were manufactured.
Mobasher, Barzin +4 more
openaire +2 more sources