Method for testing adaptability between water reducing agent and concrete and expansion degree test device

• Main Authors: YANG LONGQIANG, XU XIAOPING, YUE LILI, SUN KUN, GAO HONGBING, LI BANGXU, CHEN RUN, MA YONGLANG, LIU SHANGCHUN, LI YUANQING, CHEN XI
• Format: Patent
• Language: English
• Published: 29.04.2015
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a method for testing the adaptability between a water reducing agent and concrete and an expansion degree test device, and belongs to the field of concrete tests. The method mainly comprises the following steps: preparing test mortar; and testing the mortar expansion degree, the mortar fluidity and the mortar bleeding property. The expansion degree test device of cement mortar has a structure that a left supporting plate and a right supporting plate are placed at two ends of a glass plate, a panel is arranged on each of the left and right supporting plates, a through hole is formed in the center of each panel, a discharging device is arranged at a position, dead against the through hole, on the lower surface of each panel, a chute is formed in a position, dead against the through hole, on the upper surface of each panel, and a division plate capable of sliding along the chute is arranged on the chute; and the expansion degree test device also comprises a measurement barrel, wherein the measurement barrel is a cylinder, and the inner diameter of the measurement barrel is slightly bigger than the width of the division plate. The device disclosed by the invention is simple, convenient and quick to operate, and the correspondence between a test result of the test method disclosed by the invention and a test result of freshly mixed concrete is strong.