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Study of the Mechanical Performance of the Improved Multi-Layer Composites Under Drop Weight Impact Loads
International Journal of Structural Stability and Dynamics ( IF 3.0 ) Pub Date : 2020-04-09 , DOI: 10.1142/s0219455420400027
Saima Ali 1 , Xuemei Liu 2 , Sabrina Fawzia 1 , David Thambiratnam 1
Affiliation  

This study attempts to propose innovative multi-layer cement-based composites to have high impact resistance which could be used for runway. In this paper, the performances of two innovative multi-layer composite runway pavements using asphalt concrete-high strength concrete-cement-treated aggregate and asphalt concrete-high strength concrete-cement mortar in surface-base-subbase layer were evaluated under impact loads. ABAQUS/Explicit software was used to simulate loading condition and nonlinear stabilized runway pavement layers characteristics. In addition, a detailed parametric study was also carried out to explore the effects of the selected materials and load-related parameters in changing the performance of multi-layer composites. The findings of the study will be helpful to introduce protective multi-layer composite runway pavement and consequently to reduce the maintenance work of runway pavement.

中文翻译:

改进的多层复合材料在落锤冲击载荷下的力学性能研究

本研究试图提出创新的多层水泥基复合材料,具有高抗冲击性,可用于跑道。本文采用沥青混凝土-高强混凝土-水泥处理骨料和沥青混凝土-高强混凝土-水泥砂浆在表层-基层-底基层中的两种创新型多层复合跑道路面在冲击载荷下的性能进行了评估。ABAQUS/Explicit 软件用于模拟加载条件和非线性稳定跑道路面层特性。此外,还进行了详细的参数研究,以探索所选材料和负载相关参数对改变多层复合材料性能的影响。
更新日期:2020-04-09
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