Computer Software

Calculating thermal stresses of asphalt pavement in environmental conditions

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Asphalt mixtures are a type of thermorheologically simple materials, so the study work on thermal stresses in asphalt pavements should be carried out beyond the scope of thermalviscoelasticity theory. Taking thermalviscoelasticity theory as a guide, the stress relaxation test of asphalt mixtures is studied in different temperature environment. The test data are analyzed and the interrelated model parameters are fitted by use of the time-temperature equivalence principle of the thermo-rheologically simple materials. Based on the test results, a generalized Maxwell model is established to simulate the viscoelastic property of asphalt mixtures. And the incremental thermalviscoelastic constitutive relation under nonconstant, nonuniform temperature condition is obtained from theoretical derivation. Furthermore, a numerical method for thermalviscoelastic analysis of asphalt pavement is provided by using the incremental constitutive relation. At last, the rationality for the constitutive relation is examined by simulating Thermal Stress Restrained Specimen Test (TSRST), and an application case is given.

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Ketersediaan

Informasi Detail

Judul Seri

Pavements And Materials: Characterization, Modeling, And Simulation

No. Panggil

625.06(063) c

Penerbit

: ASCE., 2008

Deskripsi Fisik

78-87

Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

625.85(063)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

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Info Detail Spesifik

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Pernyataan Tanggungjawab

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