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Experimental tests on displacement characteristics of sand subjected to impact roller compaction

CHEN Zhong-qing 1,2, LÜ Yue 1,2, XU Chao 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017

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Author / responsible party
CHEN Zhong-qing 1,2, LÜ Yue 1,2, XU Chao 3
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English
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The impact roller (IR) compaction method is an efficient and cost-effective compaction technique, which has been widely used in highway and airport engineering for subgrade compaction and ground improvement of soft foundation. The simulation tests are carried out based on the self-developed impact roller simulation device. The general displacement distribution characteristics of sand as well as the displacement distribution characteristics of sand at both sides of impact center and displacement variation characteristics of sand with impact time are studied. The results show that: (1) The shape of displacement distribution of sand in the impacting area appears to be semi-elliptical, and the displacement distribution range of sand is 2.5 times the distribution range of sand in the rolling area; (2) The displacement distribution of sand subjected to IR compaction is not symmetrical around the impact center; (3) The vertical displacement of sand increases with the increasing impact time, and the maximum displacement of sand appears at the left side of the impacting area.

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APA 7

CHEN Zhong-qing 1, 2. L. Y. 1. X. C. 3. (2017). Experimental tests on displacement characteristics of sand subjected to impact roller compaction. https://doi.org/10.11779/CJGE2017S1048

MLA

CHEN Zhong-qing 1, 2, LÜ Yue 1,2, XU Chao 3. "Experimental tests on displacement characteristics of sand subjected to impact roller compaction." 2017. https://doi.org/10.11779/CJGE2017S1048.

Chicago

CHEN Zhong-qing 1, 2, LÜ Yue 1,2, XU Chao 3. 2017. "Experimental tests on displacement characteristics of sand subjected to impact roller compaction.". https://doi.org/10.11779/CJGE2017S1048.

Harvard

CHEN Zhong-qing 1, 2. L. Y. 1. X. C. 3. 2017, Experimental tests on displacement characteristics of sand subjected to impact roller compaction, Editorial Office of Chinese Journal of Geotechnical Engineering, available at: https://doi.org/10.11779/CJGE2017S1048 [Accessed 7 Aug. 2026].

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Title
Experimental tests on displacement characteristics of sand subjected to impact roller compaction
Author / contributors
CHEN Zhong-qing 1,2, LÜ Yue 1,2, XU Chao 3
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Publication year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English

Subjects

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ground improvement; impact roller compaction; simulation test; displacement; sand
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