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首页> 外文期刊>Engineering Solid Mechanics >Evaluation of interfacial bond strength between Portland cement concrete and asphalt concrete layers using bi-material SCB test specimen
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Evaluation of interfacial bond strength between Portland cement concrete and asphalt concrete layers using bi-material SCB test specimen

机译：用双材料SCB试样评估硅酸盐水泥混凝土与沥青混凝土层之间的界面粘结强度

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Portland cement concrete (PCC) / asphalt concrete (AC) bonded components are seen in both conventional pavement structures as well as overlays. Due to the environmental and traffic loads, cracks occur at the interface of the PCC and AC layers and finally, may propagate through the interface or one of the layers. Therefore, the evaluation of bond strength between these layers is important. This paper investigates bond strength between asphalt concrete and Portland cement concrete using a new sandwich test specimen. The developed specimen, called Bi-material semi-circular bend (BSCB) is made of asphalt concrete and the Portland cement concrete, cracked at the interface of the materials. First, the suggested specimen is introduced and characterized using finite element simulation. Then, the specimen is employed to obtain bond strength between asphalt concrete and Portland cement concrete under mixed mode loading, and at two temperatures: -20C and 20C. The fracture toughness at different mixed mode conditions is obtained, and finally, fracture criterion for the tested bonded joints is presented.How to cite this paper Mirsayar, M., Shi, X & Zollinger, D. (2017). Evaluation of interfacial bond strength between Portland cement concrete and asphalt concrete layers using bi-material SCB test specimen.Engineering Solid Mechanics, 5(4), 293-306.
机译：在传统的路面结构和铺面中都可以看到波特兰水泥混凝土（PCC）/沥青混凝土（AC）粘结的组分。由于环境和交通负荷，裂纹在PCC和AC层的界面处发生，最后可能通过界面或其中一层传播。因此，评估这些层之间的粘合强度很重要。本文使用新的夹心试样研究沥青混凝土和波特兰水泥混凝土之间的粘结强度。研制的被称为双材料半圆弯曲（BSCB）的试样是由沥青混凝土和硅酸盐水泥混凝土制成的，它们在材料的界面处开裂。首先，引入建议的标本并使用有限元模拟对其进行表征。然后，在混合模式载荷下，在两个温度：-20°C和20°C下，使用试样获得沥青混凝土和硅酸盐水泥混凝土之间的粘结强度。获得了在不同混合模式条件下的断裂韧性，最后提出了被测试粘结接头的断裂准则。如何引用本文Mirsayar，M.，Shi，X＆Zollinger，D.（2017）。用双材料SCB试样评估硅酸盐水泥混凝土与沥青混凝土层之间的界面粘结强度。工程固体力学，5（4），293-306。

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