The rheological properties of concrete vary during pumping. In this study, the tests were conducted to evaluate whether changes in rheological properties of concrete during pumping occur only by pressure, or by both pressure and shear flow. A high-strength concrete with a design strength of 50 MPa was used in the experiment. From the test results, it was confirmed that the change of rheological properties of concrete during pumping was affected by both pressure and shear flow.

• 장경필(명지대학교 산학협력단) | Jang Kyong-Pil
• 권승희(명지대학교 토목환경공학과) | Kwon Seung-Hee