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能源桩热致环向拉应力研究:设计与运行中的三维力学响应机制
针对能源桩(Energy Piles)设计中仅考虑轴向热应力的局限性,本研究通过三维数值模拟揭示了混凝土保护层(clear concrete cover)内环向拉应力(hoop stresses)的时空分布规律及其形成机制。研究发现季节性运行会导致应力位置迁移,需在设计中纳入环向应力评估以 ...
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