Stress effects on concrete shrinkage and crack in building structures

Mezher, Thaer Matlab and Mohammed, Kamal Ali and Hiswa, Ashraf A. M. R. and Ali, Tawfek Sheer (2025) Stress effects on concrete shrinkage and crack in building structures. POLLACK PERIODICA : AN INTERNATIONAL JOURNAL FOR ENGINEERING AND INFORMATION SCIENCES, 20 (1). pp. 59-66. ISSN 1788-1994 (print); 1788-3911 (online)

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Abstract

This research investigates the complex interplay between stress impact, concrete shrinkage, and its implications on crack development. Utilizing theoretical and computational methods, the study analyzes the detrimental effects of structural cracks caused by stress variations. A distinctive behavior of long-term shrinkage concerning stress levels was observed. It was found that, positive stress enhances the mean Young's modulus, while negative stress reduces modulus under negative stress conditions, heightened susceptibility to crack propagation under negative stress and improved resistance under positive stress. Temperature's uniform impact on long-term shrinkage is demonstrated, highlighting differences among various cement classes.

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