Research on the static and dynamic compressive properties of high performance cementitious composite (HPCC) containing coarse aggregate

• Autorzy: Zhang W. H. , Zhang Y. S.

Identyfikatory

DOI

10.1016/j.acme.2014.12.006

• Języki publikacji: EN

Abstrakty

EN

The high strength concrete containing coarse aggregate (CA) exhibits excellent resistance performance to dynamic impact and penetration. In this paper, four different maximum sizes (0 mm, 10 mm, 15 mm and 20 mm) and three types (basalt, granitic and iron ore) of CAs were used to fabricate high performance cementitious composite (HPCC). Then, the closed-loop servo-controlled material testing machine and 74-mm-diameter split Hopkinson pressure bar (SHPB) were employed to conduct static and dynamic impact tests, respectively. On the basis of stress–strain curves, the mechanism of CA on static and dynamic behavior of HPCC was discussed. HPCC with different CAs present obvious strain rate effect. The CA with the maximum size of 10 mm shows the most notable effect on dynamic properties of HPCC. However, as the increasing of the maximum size of CA, the dynamic peak stress and toughness were decreased. The fracture pattern of HPCC with different CA is brittle failure, but the significant difference was not found.

Słowa kluczowe

EN

HPCC; coarse aggregate; dynamic impact; SHPB

PL

kruszywo grube; wytrzymałość betonu; cement

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2015
• Tom: Vol. 15, no. 3
• Strony: 711--720
• Opis fizyczny: Bibliogr. 30 poz., rys., tab., wykr.

Twórcy

autor

Zhang W. H.

• Civil Engineering Department, Nanjing Forestry University, Nanjing 210037, PR China

autor

Zhang Y. S.

• Jiangsu Key Laboratory for Construction Materials, Southeast University, Nanjing 211189, PR China

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