Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Karthik H. Obla"'
Autor:
Colin L. Lobo, Karthik H. Obla
Publikováno v:
ACI Materials Journal. 118
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c17211c7a20e3510c9832f86daf355a4
https://doi.org/10.14359/51732935
https://doi.org/10.14359/51732935
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2629:1-8
Minimum cementitious contents are commonly specified in project specifications. The primary focus of this study was to examine the influence of the cementitious content on concrete performance at specific water-to-cementitious materials ratios. The e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb346a1a8aac58c5de340473aedb4fc1
https://doi.org/10.3141/2629-01
https://doi.org/10.3141/2629-01
Publikováno v:
ACI Materials Journal. 113
This paper presents a portion of a state highway agency pooled fund research project to develop performance criteria for concrete that will be resistant to penetration of chlorides, cycles of freezing and thawing, and sulfate attack. This paper prese
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40b697a583e5d0af16106cd8b5d362a8
https://doi.org/10.14359/51689107
https://doi.org/10.14359/51689107
Autor:
Haejin Kim, Karthik H. Obla
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2113:114-121
Every year an estimated 2% to 10% (average of 5%) of the estimated 455 million yd3 of ready-mixed concrete produced in the United States (2006 estimate) is returned to the concrete plant. The returned concrete can be handled in several different ways
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c07029b9ca2b141e13cb89089f51b294
https://doi.org/10.3141/2113-14
https://doi.org/10.3141/2113-14
Publikováno v:
Journal of Materials in Civil Engineering. 27
The use of fly ash in concrete has received significant attention during recent years, owing to environmental concerns regarding its disposal and to its potential use as a supplementary cementitious material owing to its ability to improve concrete p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fddf6fbc7c2b4a46220c706efc8f815
https://doi.org/10.1061/(asce)mt.1943-5533.0001123
https://doi.org/10.1061/(asce)mt.1943-5533.0001123
Publikováno v:
Journal of Materials in Civil Engineering. 17:45-53
In this paper, the influence of ultrafine fly ash on the early age property development, shrinkage, and shrinkage cracking potential of concrete is investigated. In addition, the performance of ultrafine fly ash as cement replacement is compared with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d5d309ac2feb4b11460b1ace0e145f4
https://doi.org/10.1061/(asce)0899-1561(2005)17:1(45)
https://doi.org/10.1061/(asce)0899-1561(2005)17:1(45)
Publikováno v:
Advances in Civil Engineering Materials. 5:20150005
Concrete, especially for improved durability, is typically specified with prescriptive provisions. More recently there has been increasing interest in evolving towards performance-based specifications, both within state highway agencies and industry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d0793b0d101636b614c36b301bc0292
https://doi.org/10.1520/acem20150005
https://doi.org/10.1520/acem20150005
Publikováno v:
Cement and Concrete Research. 31:245-255
Rheological tests on cement paste were used to successfully select the type and dosage of mineral admixtures that improved concrete workability. Among the six different mineral admixtures tested, the ultrafine fly ash (UFFA) was determined to give th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a52b6ef1918f1db0ecebe476611a4f09
https://doi.org/10.1016/s0008-8846(00)00454-3
https://doi.org/10.1016/s0008-8846(00)00454-3
Publikováno v:
Structures Congress 2013.
Concrete is used in nearly every structure we build today, including buildings, bridges, homes and infrastructure. With greater emphasis placed on sustainability in recent years, structural engineers are faced with the challenge of meeting traditiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06c533c8cd22df7149f30fefd18b816d
https://doi.org/10.1061/9780784412848.234
https://doi.org/10.1061/9780784412848.234
Autor:
Timothy Barrett, Taijiro Sato, Anton K. Schindler, Dale P. Bentz, Igor De la Varga, Javier Castro, W. Jason Weiss, Karthik H. Obla, Haejin Kim, Robert Spragg, Kevin P. Keith, Carmelo Di Bella
Publikováno v:
JTRP Affiliated Reports
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e249bcc7c46cc59865fce0ac838560a
https://doi.org/10.5703/1288284316554
https://doi.org/10.5703/1288284316554
