为研究支盘桩在不同土质中重复加载下的工程性状，分别对一个双盘模型支盘桩在粉土和粉质黏土中进行5次重复加载–卸载试验，所加最大荷载小于该模型桩的极限承载力。
The model pile with two plates is loaded and unloaded for 5 times in silt and silty clay to study the engineering behavior of pile with plates and branches under repeated loading in different soils.
在试验结果的基础上，分析了加载时岩石全过程声发射特性、加卸载时岩石在卸载和重复加载时的声发射特性。
Based on the test results, the AE characteristics of loading process, unloading and reloading of loading-unloading process are analyzed.
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