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首页> 外文会议>6th International RILEM Symposium on Performance Testing and Evaluation of Bituminous Materials, (PTEBM'03) Pt.1 Apr 14-16, 2003 Zurich, Switzerland >COMPREHENSIVE MATERIAL CHARACTERIZATION OF ASPHALT CONCRETE IN TENSION BASED ON A VISCOELASTOPLASTIC MODEL
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COMPREHENSIVE MATERIAL CHARACTERIZATION OF ASPHALT CONCRETE IN TENSION BASED ON A VISCOELASTOPLASTIC MODEL

机译：基于粘弹塑性模型的沥青混凝土受拉强度综合材料表征

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The objective of this paper is to develop an advanced material characterization model for asphalt aggregate mixtures. Two prerequisites that are required for developing the model are the decomposition of the strain response into its constituent components and the validation of the time-temperature superposition principle for asphalt concrete with growing damage, both of which are presented. Constitutive models for characterizing the viscoelastic response based on the work potential theory coupled with the correspondence principle and the viscoplastic response based on the strain hardening model are developed separately, and later integrated to form the final model. The model was successful in predicting the strain response for constant crosshead rate tests in tension to the point of localization.
机译：本文的目的是为沥青骨料混合物开发先进的材料表征模型。建立模型所需的两个先决条件是，将应变响应分解为其组成成分，以及对破坏日益严重的沥青混凝土进行时温度叠加原理的验证，两者均已提出。分别开发了基于工作势理论的粘弹性响应特征本构模型，对应关系原理和基于应变硬化模型的粘塑性响应特征模型，然后进行整合以形成最终模型。该模型成功地预测了恒定拉力试验的应变响应，直至达到定位点。

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