Influence of nano silica and metakaolin admixed concretes of different grades on mechanical properties (Record no. 9610)

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fixed length control field a
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20191007110035.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 191007b xxu||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Original cataloging agency AIKTC-KRRC
Transcribing agency AIKTC-KRRC
100 ## - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 9734
Author Prabakar, J.
245 ## - TITLE STATEMENT
Title Influence of nano silica and metakaolin admixed concretes of different grades on mechanical properties
250 ## - EDITION STATEMENT
Volume, Issue number Vol.93(06), June
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. Thane
Name of publisher, distributor, etc. ACC LTD
Year 2019
300 ## - PHYSICAL DESCRIPTION
Pagination 27-36p.
520 ## - SUMMARY, ETC.
Summary, etc. Concrete is the most common durable material used in construction industry. Durability is an important parameter when structural reinforced concrete is used in harsh environments. The environmental factors such as weathering action, chemical attack, abrasion and other deterioration process may change the properties of reinforced concrete with time. The degrees of deterioration occurs is mainly due to the presence of pore size in the concrete. Concrete with Supplementary Cementitious Material (SCM) like Metakaolin (MK) and Nano Silica (NS) will help in producing the concrete with a dense microstructure, which will decrease the voids in concrete. Experimental study was carried to study the effect of Metakaolin in M25 and M50 grade concretes by replacement of cement by weight at different proportions like 0%, 5%, 10%, 15%, 20%. Further, the influence of Nano Silica was studied in these concretes by adding 0.5%, 1%, 1.5% and 2% by weight of cementitious materials. Increase in compressive strength of 44.4% and 26 % for the corresponding control concrete of M25 and M50 grades respectively was observed maximum with 10 % replacement level of Metakaolin by weight of cement. Addition of 1.5% Nano Silica in M25 grade concrete showed higher strength which is 74% higher than the control concrete. In M50 grade concrete the maximum strength was observed with the addition of 2.0 % of Nano Silica which showed 48 % higher than the control concrete. Combination of the optimum percentage of MK and NS addition show good enhancement in the mechanical properties when compared to control and MK based concrete but slight marginal decrease when compared to NS based concrete for both the grades.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 4621
Topical term or geographic name entry element Civil Engineering
773 0# - HOST ITEM ENTRY
Place, publisher, and date of publication Thane ACC Limited
Record control number icj
Title Indian Concrete Journal
856 ## - ELECTRONIC LOCATION AND ACCESS
URL https://www.icjonline.com/editionabstract_detail/062019
Link text Click here
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme
Koha item type Articles Abstract Database
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          School of Engineering & Technology (PG) School of Engineering & Technology (PG) Archieval Section 2019-10-07 2019789 2019-10-07 2019-10-07 Articles Abstract Database
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