路基翻浆多发生在我国北方地区,路基在冰冻春融期,因地下水位高,排水不畅,土质不良,含水过多,造成路基湿软,强度下降,在行车的反复作用下,路基出现弹软、裂缝、冒泥浆等翻浆现象。防治方法主要有:开渠排水,挖换土壤,排除路表积水,换铺粒料和设置砂桩 等。
阐述了路基翻浆的产生及影响因素,翻浆的预防原则和防治措施。
The text expatiate bring and influence factor of subgrade boiling, and prevent tenet and measure for boiling.
分析了路基翻浆和冻胀的产生机理、相互关系及对冻胀和翻浆产生影响的因素。并提出了具体的防治办法。
Analysis is made on the formations and hazards of the subgrade frost boil and heave, and given the countermeasures.
应用调整好的神经网络模型对沪宁线检测数据进行测试,结果表明,该模型对路基翻浆冒泥病害的识别率达90%以上。
The adjusted network is used to test the GPR data of the Shanghai-Nanjing Railway. The results indicate that the model achieves a recognition rate of subgrade mud pumping defects above 90%.
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