A System for Road Pavement Composite Material Deformation
- 1 Tomsky State University of Architecture and Building, Tomsk, Russia
- 2 Tomsky State University of Architecture and Building, Tomsk, Russia
- 3 National Research Tomsk Polytechnic University, Tomsk, Russia
- 4 Road Construction Company “AVTOBAN”, Moscow, Russia
Abstract
For a comprehensive experimental evaluation of the material quality, forecast of the properties and parameter change of the bituminous material was made at the time under the impact of external factors, they are subjected to the necessary tests. In the article the automated set “ Tomsk-Asphalt-Test ” for determining the elastic modulus of the specimens made of bituminous materials was used in road pavements, maximally close to natural conditions of operation of highways of the Siberian region inRussiaare described. The automated set contains: electromechanical, climate, electronic, PC and software subsystem. The operation principle is a short-time deformation of the asphalt specimens; measurement of physical values: the stress, strain, variation of the size line and temperature of the asphalt pavement material test specimen, converting the measured values into electrical signals, their program processing and visualization. The control of testing and viewing results of measurements is carried out in accordance with the menu software subsystem. The results of calculations: the maximum values of vertical load the difference between the maximum horizontal deformation value and the value measured last after specimen of asphalt material loading for each test cycle, the sum of the differences of the horizontal deformation values of the two sensors and modulus of elasticity.
- Superpave, “Final Report of the TRB Superpave Committee,” TRB, 2005, pp. 1-56.
- Superpave Mix Design, “Asphalt Institute Superpave Series No. 2 (SP-2),” 1996.
- Simple Performance Tester for Superpave Mix Design, “First Article Development and Evaluation,” NCHRP Report 513, TRB, Washington DC, 2003.
- Simple Performance Tester (SPT), “What Is It? How Can I Use It?” http://www.superpave.psu.edu/downloads/pdf
- R. J. Schmidt, “A Practical Method for Measuring the Resilient Modulus of Asphalt Treated Mixed. Highway Research Board,” Highway Research Record, Vol. 404, 1972, pp. 22-32.
- G. A. Huber, J. F. Corte and P. Laglois, “The Effect of Mix Design Technology on he Rutting Characteristics of Asphalt Pavements,” Proceeding of the International Conference on Asphalt Pavements, Denmark, August 2002, pp. 17-22.
- State Committee of the USSR Council of Ministers for Construction, “Instructions CH 484-76. Engineering Survey in the Mines of Mountains Intended to Placement of the National Economy,” Moscow, 1977, p. 24.