Measuring device for bending creep rate of large-deformation bituminous mixture

• Main Authors: YANG ENHUI, ZHOU ZHENGFENG, YANG TAO, QIU YANJUN, JIANG XIN, AI CHANGFA
• Format: Patent
• Language: Chinese; English
• Published: 13.03.2013
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a measuring device for the bending creep rate of a large-deformation bituminous mixture. The measuring device is characterized in that a support (1) is arranged on an environmental cabinet (15), a supporting seat (4) is fixed in the environmental cabinet (15), a bituminous mixture test specimen (13) is arranged on the supporting seat (4), one end of a cross pressing beam (11) is movably arranged on the support (1), a counter weight (6) is arranged at the other end of the cross pressing beam (11), a dowel bar (5) is arranged on the cross pressing beam (11), a steel disc (14) is fixed at the bottom end of the dowel bar (5) and is in contact with the bituminous mixture test specimen (13), and a detection device (7) is connected with the top end of the dowel bar (5). The measuring device has the advantages that the measuring device is suitable for measuring the bending creep rate of the large-deformation bituminous mixture, measurement results are accurate and simple, and the cost is l