Niken, Chatarina and Elly, Tjahjono and Franciscus, Supartono (2013) Long-term Shrinkage Empirical Model of High Performance Concrete in Humid Tropical Weather. IISTE Civil and Environmental Research, 3 (2). pp. 35-46. ISSN (Paper) 2224-5790 (online) 2225-0514

[img] Text (Long-term deformation by shrinkage under humid tropical weather)

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This paper represents a long-term shrinkage empirical model of high performance concrete (HPC) with and without fly ash based on experimental research in which compressive strength was 60MPa. Specimens measuring 150x150x600 mm3 were used. Observations were conducted over the two year periode using an embeded vibrating wire strain gauge. As a result, the empirical model was in agreement with experimental results. Addicionally comparisons were made with ACI 209R, AS 3600-2009 and Eurocode 2. The results showed that ACI 209R was about 60% and 75% of HPC with and without fly ash respectively. Eurocode 2 was underestimated for both HPC (58%) and HPC without fly ash (73%). AS 3600-2009 was 16% higher than HPC with fly ash but this condition is suspectable to change during longer observation periode because AS 3600-2900 has a lower slope than the empirical model, while HPC without fly ash was overestimated (93%). Model representation shows significant differences in form compared to ACI 209R; and AS 3600, and similarity in form compared to Eurocode 2. Keywords: Shrinkage, High performance concrete, Empirical model, Humid tropical weather

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Fakultas Teknik (FT) > Prodi Teknik Sipil
Depositing User: Dr Niken Chatarina
Date Deposited: 30 Oct 2017 05:04
Last Modified: 30 Oct 2017 05:04

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