Experimental study of damage and fracture zone in cement sample subjected to exploding wave

LIN Ying-song; WANG Li; DING Yan-sheng; JIANG Jin-bao; SUN Feng-cheng; ZHANG Bao-kang; LIU Zhao-nian

doi:10.11883/1001-1455(2008)02-0186-07

Volume 28 Issue 2

Sep. 2014

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Article Navigation > Explosion And Shock Waves > 2008 > 28(2): 186-192

LIN Ying-song, WANG Li, DING Yan-sheng, JIANG Jin-bao, SUN Feng-cheng, ZHANG Bao-kang, LIU Zhao-nian. Experimental study of damage and fracture zone in cement sample subjected to exploding wave[J]. Explosion And Shock Waves, 2008, 28(2): 186-192. doi: 10.11883/1001-1455(2008)02-0186-07

Citation:

LIN Ying-song, WANG Li, DING Yan-sheng, JIANG Jin-bao, SUN Feng-cheng, ZHANG Bao-kang, LIU Zhao-nian. Experimental study of damage and fracture zone in cement sample subjected to exploding wave[J]. Explosion And Shock Waves, 2008, 28(2): 186-192. doi: 10.11883/1001-1455(2008)02-0186-07

Citation:

LIN Ying-song, WANG Li, DING Yan-sheng, JIANG Jin-bao, SUN Feng-cheng, ZHANG Bao-kang, LIU Zhao-nian. Experimental study of damage and fracture zone in cement sample subjected to exploding wave[J]. Explosion And Shock Waves, 2008, 28(2): 186-192. doi: 10.11883/1001-1455(2008)02-0186-07

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Experimental study of damage and fracture zone in cement sample subjected to exploding wave

doi: 10.11883/1001-1455(2008)02-0186-07

1.
China University of Petroleum, College of Petroleum Engineering, Dongying 257061, Shangdong, China;
2.
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China

Publish Date: 2008-03-25

Abstract

Abstract

The phenomenon of the rock damage and fracture by shock wave of exploding in fractures was simulated via the experiment of exploding on the surface of the cement sample in deep water. The peak pressure decline of shock wave, which was suitable for this experiment, was obtained pm8.2(W1/3/R)1.46. Results indicate that the crushed zone and tensile damage zone dimensions are about 2～5, 20～30 times of the powder characteristic dimension respectively. Approximate energy consumed by shock wave to generate crushed and fracture zone in cement sample is 2%～7% of the total energy.
- mechanics of explosion,
- decline of shock wave,
- exploding in fracture,
- cement sample,
- exploding load,
- consume of energy

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