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Experimental investigation on hygrothermal behavior of modified rammed earth buildings in western sichuan plateau during winter and summer seasons

Author

Listed:
  • Jiang, Bin
  • Huang, Kejie
  • Jiang, Maqi
  • Lu, Renzi
  • Jike, Zhiqing
  • Zhu, Wenbo

Abstract

To evaluate the hygrothermal performance of modified rammed earth buildings, this study simultaneously monitored temperature and humidity in both indoor and outdoor environments. Key parameters, including wall thermal and moisture conditions, heat and moisture fluxes, attenuation coefficients, time lags, and indoor moisture content, were systematically analyzed. The experimental results revealed that the buildings demonstrated superior thermal performance at both low winter and high summer temperatures. The enhanced thermal insulation and heat storage properties contributed to stable indoor conditions, characterized by low attenuation coefficients, prolonged time lags, and distinct thermal damping and hysteresis behaviors. Moreover, the buildings exhibited effective passive moisture regulation and buffering capacity, fostering a thermally comfortable and humidity-stable indoor environment favorable to human occupancy.

Suggested Citation

  • Jiang, Bin & Huang, Kejie & Jiang, Maqi & Lu, Renzi & Jike, Zhiqing & Zhu, Wenbo, 2026. "Experimental investigation on hygrothermal behavior of modified rammed earth buildings in western sichuan plateau during winter and summer seasons," Energy, Elsevier, vol. 356(C).
    • Handle: RePEc:eee:energy:v:356:y:2026:i:c:s0360544226014325
    DOI: 10.1016/j.energy.2026.141326
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