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Volume 37 Issue 8
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CHEN Wen-wu, GUO Zhi-qian, XU Yan-rong, CHEN Peng-fei, ZHANG Shuai, YE Fei. Laboratory tests on rammed earth samples of earthen sites instilled by reinforcement material SH[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(8): 1517-1523. DOI: 10.11779/CJGE201508023
Citation: CHEN Wen-wu, GUO Zhi-qian, XU Yan-rong, CHEN Peng-fei, ZHANG Shuai, YE Fei. Laboratory tests on rammed earth samples of earthen sites instilled by reinforcement material SH[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(8): 1517-1523. DOI: 10.11779/CJGE201508023
shu

Laboratory tests on rammed earth samples of earthen sites instilled by reinforcement material SH

  • 1. Key Laboratory of Mechanics on Disaster and Environment in Western China, Lanzhou University, Ministry of Education, Lanzhou 730000, China;
    2. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 73000, China

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  • Received Date: October 27, 2014
  • Published Date: August 24, 2015
    Graphical Abstract
    • Abstract
  • The earthen sites in the northwest arid area of China are suffering from surface weathering heavily. Currently, the main way to solve the difficulty depends on the researches on anti-weathering materials and their engineering reinforcement and repair. However, the researches on anti-weathering materials cannot satisfy the practical engineering at present. The penetration diameter and the distribution and changing characteristics of penetration rate on the surface of the rammed samples are studied when they are instilled by different concentrations of SH as well as the change of wave velocity and the disintegration on the wall after penetration. The test results indicate that the optimal grouting capacity of a single hole is 30~40 mL, the instilling penetration at this time is about 300 min, and the final surface penetration radius is 3~4 cm. After instilled by SH, the wave velocity and the anti-disintegration of the samples obviously increase, especially for the 1.0% SH.
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    • References (23)
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