Zhang, Chuanchuan, Xinhua Yang, and Hu Gao. “Air-Void-Affected Zone in Concrete Beam under Four-Point Bending Fracture”. Journal of Civil Engineering and Management 24, no. 2 (April 4, 2018): 130-137. Accessed November 11, 2024. https://transport.vilniustech.lt/index.php/JCEM/article/view/456.