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介绍在洛湛铁路选取13组代表性C、D类路基填料,掺入石灰和水泥进行改良,通过对改良土样的浸水试验研究,得到了石灰改良土和水泥改良土在不同石灰及水泥掺量、不同养护龄期下的浸水养护强度的变化规律,并比较了浸水强度和常规强度,供改良土的设计、施工和养护参考。
In this paper, 13 representative C and D subgrade fillings were selected on Luoyang-Zhanjiang Railway to improve limestone and cement. Through the immersion test on improved soil samples, lime-modified and cement-modified soils were obtained in different lime and cement admixtures Quantity and different curing ages, and compared the soaking strength and conventional strength for the design, construction and maintenance of improved soil.