Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties

Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties

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The influence of polypropylene fibers (PPF) addition on the physical, chemical, and mechanical properties of Portland cement pastes (OPC) was clearly evaluated. Results showed that as the PPF content increased, the water of consistency (WC) decreased, while the setting times (IST and FST) increased...

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Main Author: H.H.M. Darweesh
Format: Article
Language:English
Published: PURKH 2020-06-01
Series:To Chemistry Journal
Subjects:
OPC
PPF
Consistency
Setting Times
Free Lime
Combined Water
Online Access:https://www.purkh.com/index.php/tochem/article/view/745
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spelling doaj-d4b202e8920b4dcda1407bf818e158302020-11-25T04:00:32ZengPURKHTo Chemistry Journal2581-75072020-06-016Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical PropertiesH.H.M. Darweesh0National Research Centre, Cairo, Egypt The influence of polypropylene fibers (PPF) addition on the physical, chemical, and mechanical properties of Portland cement pastes (OPC) was clearly evaluated. Results showed that as the PPF content increased, the water of consistency (WC) decreased, while the setting times (IST and FST) increased due to the presence of the water reducing mineral admixture (PPF). The Chemically-bound water content (BWn), bulk density (BD), and compressive strength (CS) improved and enhanced up to 0.6 wt. % PPF content, and then decreased onward at all curing times up till 90 days, while the apparent porosity shortened and then enhanced. Above 0.6 wt. % PPF content, all properties were adversely affected. The free lime content (FLn) of the OPC (PP0) increased continuously up till 90 days but decreased with PPF content at all curing ages and with all mixes (PP1-PP7). https://www.purkh.com/index.php/tochem/article/view/745OPCPPFConsistencySetting TimesFree LimeCombined Water
collection DOAJ
language English
format Article
sources DOAJ
author H.H.M. Darweesh
spellingShingle H.H.M. Darweesh
Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
To Chemistry Journal
OPC
PPF
Consistency
Setting Times
Free Lime
Combined Water
author_facet H.H.M. Darweesh
author_sort H.H.M. Darweesh
title Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
title_short Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
title_full Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
title_fullStr Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
title_full_unstemmed Cement Pastes Containing Polypropylene Fibers - Part I: Physical, Chemical and Mechanical Properties
title_sort cement pastes containing polypropylene fibers - part i: physical, chemical and mechanical properties
publisher PURKH
series To Chemistry Journal
issn 2581-7507
publishDate 2020-06-01
description The influence of polypropylene fibers (PPF) addition on the physical, chemical, and mechanical properties of Portland cement pastes (OPC) was clearly evaluated. Results showed that as the PPF content increased, the water of consistency (WC) decreased, while the setting times (IST and FST) increased due to the presence of the water reducing mineral admixture (PPF). The Chemically-bound water content (BWn), bulk density (BD), and compressive strength (CS) improved and enhanced up to 0.6 wt. % PPF content, and then decreased onward at all curing times up till 90 days, while the apparent porosity shortened and then enhanced. Above 0.6 wt. % PPF content, all properties were adversely affected. The free lime content (FLn) of the OPC (PP0) increased continuously up till 90 days but decreased with PPF content at all curing ages and with all mixes (PP1-PP7).
topic OPC
PPF
Consistency
Setting Times
Free Lime
Combined Water
url https://www.purkh.com/index.php/tochem/article/view/745
work_keys_str_mv AT hhmdarweesh cementpastescontainingpolypropylenefiberspartiphysicalchemicalandmechanicalproperties
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