UPPER PART OF THE PAVEMENT IN VERY SEVERE CLIMATIC CONDITIONS
| 项目名称： | UPPER PART OF THE PAVEMENT IN VERY SEVERE CLIMATIC CONDITIONS |
| 摘要： | THE OBJECTIVE OF THE RESEARCH IS TO USE A TEST PIT TO STUDY THE BEHAVIOUR OF THE PAVEMENT LAID ON A FOUNDATION HIGHLY SENSITIVE TO FROST, WHICH IS SUBJECTED TO FREEZING-THAWING CYCLES AND TO HIGH TEMPERATURES. MOVING LOADS ARE APPLIED BY MEANS OF A 10-TONNE AXLE MOVING TRANSVERSALLY AT A MAXIMUM SPEED OF APPROXIMATELY 12 KM/H. THE PIT IS DIVIDED INTO 4 SECTIONS; EACH SECTION IS INSTRUMENTED AT THE LOWER LEVELS OF THE SURFACING AND THE FOUNDATION COURSE WITH 42 TRRL-TYPE GAUGES AND 6 TEMPERATURE GAUGES. IT IS ENVISAGED TO CARRY OUT DEFLECTION MEASUREMENTS, AND TO EVALUATE PERMANENT DEFORMATIONS AND VARIATIONS IN ROUGHNESS. AN ATTEMPT WILL ALSO BE MADE TO USE OPTICAL METHODS FOR MEASURING THE DEFLECTIONS. |
| 状态： | Active |
| 资助组织： | DEPARTEMENT FEDERAL DE L'INTERIEUR (FEDERAL DEPARTMENT OF THE INTERIOR) |
| 项目负责人： | STIRNEMANN, P；Pigois, M L；Crottaz, R |
| 执行机构： | Ecole Polytechnique Federale de Lausanne (EPFL) |
| 开始时间： | 19770900 |
| 主题领域： | Research；I22: Design of Pavements, Railways and Guideways |
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