The previous methods to obtain the preconsolidation pressure were generally based on the laboratory oedometer test, which was of time consuming and low accuracy due to disturbance. 目前，先期固結壓力的確定主要依賴(lài)于室內固結試驗，但土樣的采取會(huì )出現擾動(dòng)，難以代表土層的真正實(shí)際狀況，且室內固結試驗耗時(shí)，效率較低。
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