compressive creep
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Materialia ◽  
2021 ◽  
pp. 101295
Author(s):  
Apurv Dash ◽  
Jürgen Malzbender ◽  
Marcin Rasinski ◽  
Olivier Guillon ◽  
Jesus Gonzalez-Julian

2021 ◽  
Vol MA2021-02 (38) ◽  
pp. 1131-1131
Author(s):  
Claire Arthurs ◽  
Ahmet Kusoglu ◽  
Christopher Capuano

Materials ◽  
2021 ◽  
Vol 14 (17) ◽  
pp. 5026
Author(s):  
Euichul Hwang ◽  
Gyuyong Kim ◽  
Kyungmo Koo ◽  
Hyungjae Moon ◽  
Gyeongcheol Choe ◽  
...  

Concrete undergoes shrinkage regardless of the influence of external forces. The deformation of concrete is crucial for the structural stability of high-rise and large-scale buildings. In this study, the shrinkage and compressive creep of 70–90 MPa high-strength concrete used in high-rise buildings were evaluated based on the curing conditions (sealed/unsealed), and the existing prediction models were examined. It was observed that the curing condition does not significantly affect the mechanical properties of high-strength concrete, but the use of limestone coarse aggregate increases the elastic modulus when compared to granite coarse aggregate. The autogenous shrinkage of high-strength concrete is greater than that of normal-strength concrete owing to self-desiccation, resulting in a large variation from the value predicted by the model. The drying shrinkage was observed to be similar to that predicted by the model. Compressive creep was affected by the curing conditions, compressive strength, loading level, and loading age. The compressive creep of high-strength concrete varied significantly from the prediction results of ACI 209; ACI 209 was modified based on the measured values. The shrinkage and compressive creep characteristics of high-strength concrete must be reflected to predict the deformation of an actual structure exposed to various conditions.


2021 ◽  
Vol 825 (1) ◽  
pp. 012022
Author(s):  
CHEN Bo ◽  
GUO Liping ◽  
ZHANG Wenxiao ◽  
BAI Yin ◽  
WANG Xiongfeng

Author(s):  
Bianca Kern ◽  
Nadja Oneschkow ◽  
Anna-Lena Podhajecky ◽  
Ludger Lohaus ◽  
Steffen Anders ◽  
...  

Author(s):  
Yuxiu Zhang ◽  
Qinghuan Huo ◽  
Zhirou Zhang ◽  
Zhenyu Xiao ◽  
Chunyu Wang ◽  
...  

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