题名: |
VISCOELASTIC ANALYSIS OF FULL-SCALE PAVEMENTS: VALIDATION OF VEROAD. |
作者: |
Nilsson-RN; Oost-I; Hopman-PC |
关键词: |
FLEXIBLE-PAVEMENT-DESIGN; COMPUTER-PROGRAMS; VISCOELASTICITY-; TIME-DEPENDENT-PARAMETERS; DISPLACEMENT-; STRESSES-; STRAINS-; VALIDATION-; CALCULATION-; COMPARISONS-; STRAIN-MEASUREMENTS; PAVEMENT-TESTS |
摘要: |
VEROAD, a linear viscoelastic multilayer computer program, takes the time dependence of road building materials into consideration. VEROAD calculates the responses (displacements, stresses, and strains) of a pavement structure subjected to a moving, sliding load. The validation of VEROAD (for longitudinal and transversal strain results) is described. The calculated strains were compared with measured strains from two full-scale pavement tests: the road track machine test in Denmark and the linear tracking apparatus test in the Netherlands. Measurements from these tests indicate distinct viscoelastic strain curves, that is, time retardation and asymmetry. The study indicates that VEROAD is able to calculate the pavement behavior (both longitudinal and transversal strains) as it was measured in these two full-scale tests. VEROAD-calculated strain curves have the same shape as the measured curves. |
总页数: |
Transportation Research Record. 1996. (1539) pp81-87 (7 Fig., 4 Tab., 14 Ref.) |
报告类型: |
科技报告 |