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Using the self-developed testing equipment introduced in Chap.  2 , experimental studies were conducted to investigate the thermal characteristics of saturated clay under the coupled effects of temperature and confining pressure. The testing apparatus includes a temperature control system, a confining pressure control system, an excess pore pressure control system, and a pore water pressure measurement system. The experimental design comprises two comparative groups: drained and undrained tests, with both groups having a temperature range of 20–80 °C and four consolidation pressures set at 50, 100, 150, and 200 kPa. Based on the experimental results, the evolution processes of temperature, pore water pressure, and consolidated strain during the thermal consolidation of the samples were analyzed. Additionally, the evolution of pore water pressure and consolidated strain was explained through an analysis of thermal characteristic mechanisms.

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Thermal Consolidation Behavior of Saturated Clay Induced by Multi-stage Heating and Cooling Processes

  • 章节

  • 发表日期：

    2025年

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  • Guangchang Yang,
  • Bing Bai

摘要

Using the self-developed testing equipment introduced in Chap.  2 , experimental studies were conducted to investigate the thermal characteristics of saturated clay under the coupled effects of temperature and confining pressure. The testing apparatus includes a temperature control system, a confining pressure control system, an excess pore pressure control system, and a pore water pressure measurement system. The experimental design comprises two comparative groups: drained and undrained tests, with both groups having a temperature range of 20–80 °C and four consolidation pressures set at 50, 100, 150, and 200 kPa. Based on the experimental results, the evolution processes of temperature, pore water pressure, and consolidated strain during the thermal consolidation of the samples were analyzed. Additionally, the evolution of pore water pressure and consolidated strain was explained through an analysis of thermal characteristic mechanisms.