000004882 001__ 4882
000004882 005__ 20141119144601.0
000004882 04107 $$aeng
000004882 046__ $$k2002-06-02
000004882 100__ $$aTutumluer, Erol
000004882 24500 $$aCHARACTERIZATION OF CROSS-ANISOTROPIC AGGREGATE BASE BEHAVIOR FROM STRESS PATH TESTS

000004882 24630 $$n15.$$pProceedings of the 15th ASCE Engineering Mechanics Division Conference
000004882 260__ $$bColumbia University in the City of New York
000004882 506__ $$arestricted
000004882 520__ $$2eng$$aA new methodology is presented in this paper for determining cross-anisotropic aggregate properties, i.e., directional dependency of moduli and Poisson's ratios, from stress path testing. The proposed laboratory characterization procedure requires conducting large stress excursion tests performed under slightly different stress path slopes at similar stress states that are representative of pavement wheel loading conditions. In accordance, cross-anisotropic aggregate properties are determined by varying slightly the stress path slopes during testing and then by employing an error minimization approach to interpret the test results. The solution methodology adopted also satisfies the cross-anisotropic modular ratio criterion proposed by Graham and Houlsby (1983) and the positive strain energy criteria by Pickering (1970). Such an anisotropic material property set obtained from following the proposed methodology would essentially be useful in the finite element analysis of the anisotropic and stress dependent granular material behavior often observed in unbound pavement layers.

000004882 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000004882 653__ $$aUnbound aggregate, cross anisotropy, stress path testing, pavement

000004882 7112_ $$a15th ASCE Engineering Mechanics Division Conference$$cNew York (US)$$d2002-06-02 / 2002-06-05$$gEM2002
000004882 720__ $$aTutumluer, Erol$$iSeyhan, Umit
000004882 8560_ $$ffischerc@itam.cas.cz
000004882 8564_ $$s556908$$uhttps://invenio.itam.cas.cz/record/4882/files/485.pdf$$yOriginal version of the author's contribution as presented on CD, .
000004882 962__ $$r4594
000004882 980__ $$aPAPER