Laboratory Study of Weight Loss and Ultrasonic Wave Propagation Velocity in Conventional Concrete Under High Temperature, Along with Validation by SEM and XRD Analysis . jcer [Internet]. 2025 Jun. 1 [cited 2025 Sep. 5];7(2):68-75. Available from: http://www.journals-researchers.com/ojs/index.php/jcer/article/view/163