Abstract: This work discusses how problem-based learning (PBL) was used in a senior capstone class for two semesters. The effects of PBL were investigated by conducting preassessment and postassessment survey questionnaires on ...

Abstract: Internal vibration is a commonly used method for consolidating fresh concrete. Proper vibration causes entrapped air voids to float to the surface of the concrete or collapse at the water–air interface. However, if vibration ...

Abstract: In this study, the mechanical properties of concrete mixtures containing different cementitious combinations and two aggregate systems were investigated under plastic and drying conditions. Emphasis was laid on the durability ...