The temperature effect on portland cement strength Yurii Abzaev, Aleksei Gnyrya, Sergei Korobkov, Danil Dudov, Dmitrii Mihailov and Bogdan Vodnev EPJ Web Conf., 221 (2019) 01002 Published online: 30 October 2019 DOI: 10.1051/epjconf/201922101002