Study on thermo-mechanical behavior of concrete subjected to thermal cycles (Record no. 18045)

MARC details
000 -LEADER
fixed length control field a
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20221103113529.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 221103b xxu||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Original cataloging agency AIKTC-KRRC
Transcribing agency AIKTC-KRRC
100 ## - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 9730
Author Vidya B.
245 ## - TITLE STATEMENT
Title Study on thermo-mechanical behavior of concrete subjected to thermal cycles
250 ## - EDITION STATEMENT
Volume, Issue number Vol.96(3), Mar
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. Thane
Name of publisher, distributor, etc. ACC LTD
Year 2022
300 ## - PHYSICAL DESCRIPTION
Pagination 32-42p.
520 ## - SUMMARY, ETC.
Summary, etc. As the use of high-strength concrete becomes common, the risk of exposing it to high temperatures also increased. The behavior of high strength concrete under elevated temperatures differs from that of normal strength concrete. When concrete is exposed to elevated temperatures, it begins to experience dehydration reactions in the hydrated cement paste, possible thermal incompatibilities between paste and aggregate and eventual physico-chemical deterioration of the aggregate. Typically, such degradation is accompanied by a decrease in the strength and weight of the concrete. Moreover, repeated thermal cycling due to fluctuating temperatures reduces the peak strength and could loosen the bond between the cement and aggregate. The thermal gradients and induced thermal stresses could trigger micro cracking, crumbling and spalling of the concrete. <br/>Hence, an investigation on the behavior of standard and high strength concrete, exposed to thermal cycles at elevated temperatures was carried out. They were carried out on concrete specimens of age 28 days and exposed to temperatures from 100 to 400°C for 8 hours duration and subsequent air cooling for the remaining period of a day. Therefore, one thermal cycle means 8 hours heating and 16 hours cooling. Thermogravimetric analysis (TGA) has been carried out to study thermal stability of standard concrete and high strength concrete and based on this study the critical temperature of concrete is found to be 400°C. The mechanical properties studied in this work are compressive strength, split tensile strength and flexural strength. The results obtained can be useful as guidelines for fire resistant design of the structures subjected to heating and cooling cycles at elevated temperatures.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 4621
Topical term or geographic name entry element Civil Engineering
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 9662
Co-Author Rao, K. Srinivasa
773 0# - HOST ITEM ENTRY
Title Indian Concrete Journal - ICJ
Place, publisher, and date of publication Thane ACC Limited
International Standard Serial Number 0019-4565
856 ## - ELECTRONIC LOCATION AND ACCESS
URL https://www.icjonline.com/editionabstract_detail/032022
Link text Click here
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Dewey Decimal Classification
Koha item type Articles Abstract Database
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Home library Current library Shelving location Date acquired Total Checkouts Barcode Date last seen Price effective from Koha item type
    Dewey Decimal Classification     School of Engineering & Technology (PG) School of Engineering & Technology (PG) Archieval Section 03/11/2022   2022-1986 03/11/2022 03/11/2022 Articles Abstract Database
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