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Volume 37 Issue 10
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ZHANG Jing-ke, CHEN Wen-wu, LI Zui-xiong, GUO Qing-lin, SUN Man-li. Laboratory tests on property and durability of PS-(C+F) slurry used in anchoring conservation of earthen sites[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(10): 1802-1809. DOI: 10.11779/CJGE201510008
Citation: ZHANG Jing-ke, CHEN Wen-wu, LI Zui-xiong, GUO Qing-lin, SUN Man-li. Laboratory tests on property and durability of PS-(C+F) slurry used in anchoring conservation of earthen sites[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(10): 1802-1809. DOI: 10.11779/CJGE201510008
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Laboratory tests on property and durability of PS-(C+F) slurry used in anchoring conservation of earthen sites

  • 1. Key Laboratory of Mechanics on Environment and Disaster in Western China, School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China;
    2. National Research Center for Conservation of Ancient Wall Paintings and Earthen Sites, Dunhuang Academy, Dunhuang 73620, China;
    3. School of Cultural Heritage, Northwest University, Xi'an 710069, China

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  • Received Date: August 04, 2014
  • Published Date: October 19, 2015
    Graphical Abstract
    • Abstract
  • To scientifically reveal the characteristics of the setting and long-term performance of PS-(C+F) slurry which is applied in the anchoring conservation of earthen sites, the slurry with the optimum mix ratio (0.39) is studied by means of aging strength, aging moisture, aging wave velocity and shrinkage tests, and its durability is investigated by using the temperature-humidity cycling, frozen-thaw cycling, water stabilizing, soundness and alkali resistivity tests. The test results indicate that the aging strength can firmly meet the requirements of the anchoring craft, and that the elastic-fragile mechanical performance of the slurry is compatible to the earthen sites on the appearance, density, void ratio and strength. Furthermore, the very low shrinkage guarantees the interfacial mechanical property. Besides them, the consolidation has a strong durability to resist the arid and semi-arid climate in Northwest China. However, the slurry is not suitable for the earthen sites with high-content sodium sulphate. In conclusion, with strong compatibility and durability, the PS-F slurry with mix ratio of (C∶F=1, PS∶( C+F) =0.39) can satisfy the need of the anchoring conservation of earthen sites in Northwest China.
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    • References (23)
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