Results 11 to 20 of about 75,178 (333)

Durability of polypropylene fiber reinforced concrete: Literatures review

open access: yesElectronic Journal of Structural Engineering, 2022
Use of polypropylene fibers to reinforce concrete has attracted widespread attention from both researchers and construction industry because of the numerous characteristics they have, compared to other types of fibers.
Omar M. Abdulkareem   +2 more
doaj   +3 more sources

IMPROVING MECHANICAL PROPERTIES OF OIL WELL CEMENT USING POLYPROPYLENE FIBERS AND EVALUATING A NEW LABORATORY METHOD FOR MEASURING THE CASING CEMENT BONDING STRENGTH

open access: yesRudarsko-geološko-naftni Zbornik, 2022
The main objective of this study is to enhance the poor performance of oil well cement in terms of mechanical properties by using pure polypropylene fibers.
Hani Al Khalaf   +3 more
doaj   +1 more source

Effect of Adding Polypropylene Fibers in Met kaolin-Based Geopolymer Concrete [PDF]

open access: yesEngineering and Technology Journal, 2021
Geopolymer is a binder material that was created as a result of efforts to decrease Portland cement's negative environmental effects.  Geopolymer concrete shares certain properties with ordinary concrete, including brittleness.
Qais Frieh, Mushtaq Kamil
doaj   +1 more source

Workability of Hybrid Fiber Reinforced Self-Compacting Concrete [PDF]

open access: yesEngineering and Technology Journal, 2018
The aim of this work is to evaluate the effect of adding different types of fibers on the fresh properties of the self-compacting concrete, SCC. The used types of fibers were steel (with volume ratios of 0.75, 1.0 and 1.25 %) and polypropylene fibers (0 ...
Tareq Al-Attar   +2 more
doaj   +1 more source

A Review on Failure Modes and Cracking Behaviors of Polypropylene Fibers Reinforced Concrete

open access: yesBuildings, 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   +5 more
doaj   +1 more source

An Experimental Study of Shear Resistance for Multisize Polypropylene Fiber Concrete Beams

open access: yesInternational Journal of Concrete Structures and Materials, 2021
To study the influence of polypropylene fibers with different thicknesses on concrete beams, inclined section shear tests of polypropylene fiber concrete beams were carried out.
Xin Yang   +3 more
doaj   +1 more source

Mechanical and Thermogravimetric Properties of PP Based Thermoplastic Composites Reinforced with Cotton and Polyester Waste under Dry and Wet Conditions

open access: yesJournal 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

Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder [PDF]

open access: yes, 2014
We present a novel method of manufacturing rigid and robust short natural fiber preforms using a papermaking process. Bacterial cellulose acts simultaneously as the binder for the loose fibers and provides rigidity to the fiber preforms.
Bismarck, A   +3 more
core   +1 more source

Investigation on the effect of cellulose fiber surface characteristics on mechanical properties of cellulose fiber /polypropylene composite [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2015
In this research the effect of softwood cellulose fibers surface characteristics on mechanical properties of cellulose fibers / polypropylene composite (W.P.C) was studied.
shahram Badamchi   +3 more
doaj   +1 more source

Evaluation of the Effect of Impregnation Methods on Flexural Strength of Polypropylene Fibers Reinforced Polymethyl Methacrylate Denture Base Material: An In Vitro Study [PDF]

open access: yesInternational Journal of Prosthodontics and Restorative Dentistry
Purpose: To evaluate and compare the efficacy of impregnation procedures on the flexural strength of polypropylene fibers reinforced polymethyl methacrylate (PMMA) denture base material. Materials and methods: Eighty PMMA samples of dimensions 65 mm × 10
Kavitha Chavadapu   +5 more
doaj   +1 more source

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