Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar

The Vacuum Intrusion Compaction Method (VICM) can be defined as a mortar or cement based material compaction method which applies the principle of air pressure in extracting air bubbles trapped in mortar in order to achieve the objective of compaction. This alternative compaction method is able t...

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Main Authors: Chung, K.Y., Sulieman, M.Z
Format: Article
Language:English
Published: EDP Sciences 2014
Subjects:
Online Access:http://eprints.usm.my/38893/1/Effect_of_Vacuum_Intrusion_Compaction_on_the_Mechanical_Properties_of_Mortar.pdf
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author Chung, K.Y.
Sulieman, M.Z
author_facet Chung, K.Y.
Sulieman, M.Z
author_sort Chung, K.Y.
collection USM
description The Vacuum Intrusion Compaction Method (VICM) can be defined as a mortar or cement based material compaction method which applies the principle of air pressure in extracting air bubbles trapped in mortar in order to achieve the objective of compaction. This alternative compaction method is able to prevent segregation from happening in mortar and other cement based materials. It also provides better control over the orientation of the elements inside the mortar. Laboratory tests on the physical and mechanical properties of mortars were conducted to study bulk density, porosity, compressive strength, and flexural strength in the early stages of strength development of different mortars. Through such testing, the effectiveness of the vacuum intrusion method on the effect of compaction could be observed. The outcome of this research shows that the VICM is capable of compacting mortar and extracting macro pores, thereby providing a relatively similar compressive strength and flexural strength to that of the standard compaction method. However, it is not efficient in extracting micro pores, therefore, leading to high porosity of the mortar specimens. As a conclusion, the vibration compaction method is still considered a good compaction method when compared to VICM.
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spelling usm.eprints-388932018-02-13T08:31:39Z http://eprints.usm.my/38893/ Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar Chung, K.Y. Sulieman, M.Z TH1-9745 Building construction The Vacuum Intrusion Compaction Method (VICM) can be defined as a mortar or cement based material compaction method which applies the principle of air pressure in extracting air bubbles trapped in mortar in order to achieve the objective of compaction. This alternative compaction method is able to prevent segregation from happening in mortar and other cement based materials. It also provides better control over the orientation of the elements inside the mortar. Laboratory tests on the physical and mechanical properties of mortars were conducted to study bulk density, porosity, compressive strength, and flexural strength in the early stages of strength development of different mortars. Through such testing, the effectiveness of the vacuum intrusion method on the effect of compaction could be observed. The outcome of this research shows that the VICM is capable of compacting mortar and extracting macro pores, thereby providing a relatively similar compressive strength and flexural strength to that of the standard compaction method. However, it is not efficient in extracting micro pores, therefore, leading to high porosity of the mortar specimens. As a conclusion, the vibration compaction method is still considered a good compaction method when compared to VICM. EDP Sciences 2014-09 Article PeerReviewed application/pdf en http://eprints.usm.my/38893/1/Effect_of_Vacuum_Intrusion_Compaction_on_the_Mechanical_Properties_of_Mortar.pdf Chung, K.Y. and Sulieman, M.Z (2014) Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar. MATEC Web of Conferences, 17 (01003). pp. 1-8. ISSN 2261-236X http://dx.doi.org/10.1051/matecconf/20141701003
spellingShingle TH1-9745 Building construction
Chung, K.Y.
Sulieman, M.Z
Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title_full Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title_fullStr Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title_full_unstemmed Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title_short Effect of Vacuum Intrusion Compaction on the Mechanical Properties of Mortar
title_sort effect of vacuum intrusion compaction on the mechanical properties of mortar
topic TH1-9745 Building construction
url http://eprints.usm.my/38893/1/Effect_of_Vacuum_Intrusion_Compaction_on_the_Mechanical_Properties_of_Mortar.pdf
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