老化-荷载耦合下叠层轮胎隔震垫的竖向力学性能

doi:10.11896/cldb.18110002

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Abstract In order to study the axial compression performance of scrap tire rubber pads (STP) under different aging-loading coupling, the 6-layer STP of 180 mm×180 mm×69 mm were selected. accelerated aging tests of specimens were carried out in a temperature-controlled weathering chamber at 100 ℃ for 77 h, 154 h, 231 h, 308 h, respectively, and the specimens were under the loading of 4 MPa, 5 MPa, 6 MPa, respectively. The change rule of loading die force, specimen appearance, vertical ultimate compressive stress, vertical stiffness and vertical deformation change with aging time is obtained by comparison between the test and the experiment.Meanwhile, on the basis of considering the stability of STP vertical mechanical properties before and after aging, it is recommended to select 5 MPa as the best design compressive stress.Finally, the principle of the axial compression failure of STP is proposed, and the formula of vertical deformation for scrap tire rubber pads is modified.

Key words： scrap tire rubber pads aging-loading coupling vertical mechanical properties axial compression failure criterion

Published: 31 July 2019

CLC number:

TU352.12

Fund:This work was financially supported by the National Natural Science Foundation of China (201504101182)

About author:: Guangtai Zhang, professor of Xinjiang University, master Tutor, national registered supervision engineer. He is currently the deputy General Manager and Office director of the new campus construction headquarters of Xinjiang University, the party secretary of the Xinjiang University’s architectural Engineering school, and the academic leader of the discipline "structural project" in the Xinjiang Uygur Autonomous Region. The key member of the National University specialty and autonomous Region excellent teaching team; Eighth session of the Director of the Xinjiang Civil Engineering Society, Xinjiang Housing and Construction Department of high-strength steel and high-strength concrete application Expert group members, Urumqi high-performance Concrete committee members, the autonomous Region Science and Technology Progress Award assessment experts, the autonomous Region scientific and technological review expert; 2, invention patent 1, Practical Patent 2, published more than 50 core journal papers, organized or participated in the design of more than 10. Has won the autonomous Region Science and Technology Progress Award 1, won the Autonomous Region Natural Science Outstanding Thesis Award 3.Editor-in-chief of the National Planning teaching materials 1; now presided over the Xinjiang Uygur
Autonomous Region Fine Course 1, had obtained the autonomous Region higher Education Achievement First prize 1, Xinjiang University Higher Education Achievement Grand prize, Xinjiang University "outstanding Master Tutor", has instructed 40 more graduate students successively. The research work mainly includes the new building material and the earthquake isolation and so on.

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	ZHANG Guangtai
	LU Dongliang
	ZHANG Jinpeng
	ZHANG Luyang
	YI Bao

Cite this article:

ZHANG Guangtai,LU Dongliang,ZHANG Jinpeng, et al. Vertical Mechanical Properties of Scrap Tire Rubber Pads Under Aging-Loading Coupling[J]. Materials Reports, 2019, 33(18): 3140-3146.

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http://www.mater-rep.com/EN/10.11896/cldb.18110002 OR http://www.mater-rep.com/EN/Y2019/V33/I18/3140

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