Experimental study on dynamic stability of rubber-cement composites by SHPB and high-speed slicing

• Autorzy: Yang Rongzhou , Xu Ying , Chen Pei Yuan

Identyfikatory

DOI

10.24425/ace.2022.140170

• Języki publikacji: EN

Abstrakty

EN

Improper disposal of waste tires will not only bring environmental impact and safety risks but also cause a serious waste of resources. In the field of civil engineering materials, waste tire particles are used as a substitute for non-renewable aggregates to produce flexible rubber-cement composites (RCC). To explore the high-speed slicing stability of RCC, this test took normal cement mortar (NCM) and rubber cement mortar (RCM) as research objects. The SHPB tests with the same impact energy level and the high-speed slicing tests with a slice thickness range of about 1.4 mm ~ 4.4 mm were carried out. The results showed that NCM and RCM showed different stability differences in the process of high-speed slicing. In the case of ensuring the integrity of the slice, the minimum thickness of the slice can be better decreased with the increase of the rubber content. Finally, from the perspectives of split Hopkinson pressure bar (SHPB) test results and mesoscopic structure states, the essential reason for ensuring the stability of high-speed slicing lied in the improvement of rubber particles (dominant role) and pores on material deformation and flexible energy dissipation.

Słowa kluczowe

EN

rubber-cement composite; split Hopkinson pressure bar; SHPB; high-speed slicing; deformation; fracture; slice thickness; dynamic stability

PL

kompozyt gumowo-cementowy; dzielony pręt Hopkinsona; SHPB; cięcie szybkie; odkształcenie; pęknięcie; grubość plasterka; stabilność dynamiczna

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2022
• Tom: Vol. 68, nr 1
• Strony: 319--334
• Opis fizyczny: Bibliogr. 19 poz., il., tab.

Twórcy

autor

Yang Rongzhou

• State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan, China

• https://orcid.org/0000-0002-0126-2446

autor

Xu Ying

• State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan, China

• https://orcid.org/0000-0001-8438-3130

autor

Chen Pei Yuan

• School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan, China

• https://orcid.org/0000-0002-5538-617X

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).