Results 21 to 30 of about 200,640 (283)

An Experimental Study on the Compressive Dynamic Performance of Polypropylene Fiber Reinforced Concrete for Retaining Structure under Automobile Collision Magnitude

Advances in Civil Engineering, 2020
In order to examine the compressive dynamic performance of polypropylene fiber reinforced concrete to be used for the retaining structure under the automobile collision magnitude, an experimental study was carried out by using hydraulic servo on concrete
Furong Li, Guoxing Chen, Guizhong Xu, Yongyi Wu   +3 more
doaj   +1 more source

Studying the behavior of geopolymer concretes under repeated loadings

Journal of Engineering and Applied Science, 2021
This article investigates utilization of polypropylene microfibers as reinforcement in geopolymer concrete to enhance the ductility characteristics since the geopolymer concrete is considered a brittle material.
Osamah M. G. Al-Kerttani, Ammar Mutar
doaj   +1 more source

Study on Dynamic Constitutive Model of Polypropylene Concrete under Real-Time High-Temperature Conditions

Applied Sciences, 2022
Polypropylene (PP) concrete, a kind of high-performance fiber-reinforced concrete, is widely used in large concrete structures. Studies on the dynamic mechanical properties of polypropylene concrete under temperature–impact load can provide a theoretical
Rui Li, Lei Liu, Huaming An, Ya Wang
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Mechanical and Thermogravimetric Properties of PP Based Thermoplastic Composites Reinforced with Cotton and Polyester Waste under Dry and Wet Conditions

Journal of Natural Fibers, 2022
The textile waste-based composites are environmentally friendly and economical. This study reports polypropylene composites reinforced with cotton fibers extracted from waste textiles and polyester fibers generated in the industry.
Zunjarrao Kamble, Bijoya Kumar Behera
doaj   +1 more source

Immobilization of strontium aluminate nanoparticles onto plasma-pretreated nonwoven polypropylene fibers by screen-printing toward photochromic textiles

Journal of Materials Research and Technology, 2022
Polypropylene fibers have been applied in various fields, such as automotives, plastic furniture, medical devices, and food packaging. Polypropylene fibers are characterized by low-cost, high flexural and impact strength, as well as high resistant to ...
Hatun H. Alsharief, Gamil A.A. Al-Hazmi, Seraj Omar Alzahrani, Albandary Almahri, Nasser A. Alamrani, Nada M. Alatawi, Nashwa M. El-Metwaly   +6 more
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Effect of Polypropylene Microplastics on Water and Salt Movement and in Saline Soils

Guan'gai paishui xuebao, 2023
【Objective】 Polypropylene microplastics are fragments of polypropylene. They exist in soil and have potential impact on soil environment. This paper investigates their influence on water flow and salt redistribution in soil under drip irrigation. 【Method】
WANG Zhichao, ZHANG Bowen, LI Zhe, CHENG Guangyuan, LI Wenlu, LI Weiping   +5 more
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A Review on Failure Modes and Cracking Behaviors of Polypropylene Fibers Reinforced Concrete

Buildings, 2022
Despite being strong under compression, concrete is rather weak when subjected to tensile stress. Concrete has been reinforced with a variety of materials over time in order to resist tensile stresses.
Jawad Ahmad, Dumitru Doru Burduhos-Nergis, Mohamed Moafak Arbili, Saleh M. Alogla, Ali Majdi, Ahmed Farouk Deifalla   +5 more
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Design of modified plastic surfaces for antimicrobial applications: Impact of ionizing radiation on the physical and mechanical properties of polypropylene [PDF]

, 2013
Surface modification of polypropylene (PP) sheets was carried out by radiation induced graft polymer- ization of hydrophilic functional molecules such as N,N-dimethylacrylamide (DMA) and [2-methacry- loyloxy)ethyl] trimethylammonium chloride, which is a ...
RIQUET, Anne-Marie, VITRAC, Olivier, DELATTRE, Jennifer, GUINAULT, Alain   +3 more
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Determination of the Optimal Polypropylene Fiber Addition to the Dense Bituminous Mixtures by the Aid of Mechanical and Optical Means

The Baltic Journal of Road and Bridge Engineering, 2012
Polypropylene fibers are completely native modifiers and they do not have any dependence on abroad in case of technology. When viewed from this point, the modification of bituminous binders with polypropylene fibers is a very important step for our ...
Serkan Tapkin, Şenol Özcan
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Comparative study of Polypropylene versus Parietex composite®, Vicryl® and Ultrapro® meshes, regarding the formation of intraperitoneal adhesions [PDF]

Acta Cirúrgica Brasileira, 2017
Purpose: To compare the polypropylene mesh (Marlex®) to Vicryl®, Parietex composite® and Ultrapro® meshes to assess the occurrence of adhesions in the intraperitoneal implantation.
Maria de Lourdes Pessole Biondo-Simões, Laísa Brandão Carvalho, Lucas Tavares Conceição, Kassyane Bordignon Piccinelli dos Santos, Wagner Augusto Schiel, Mayara Arantes, Tatiane da Silveira, Júlio César Magri, Fernanda Fabrini Gomes   +8 more
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