改性淤泥质土路用性能应用研究

摘要:

随着我国基础建设不断完善，道路交通建设覆盖范围不断扩大，遇到土体问题多样化，在道路工程施工中遇到淤泥质土问题日益增多。淤泥质土由于其自身流动性较强，不具备承载力等特点，一直以来，淤泥质土难以被有效运用到工程实际，同时又因存储和运输等问题导致其难以长距离运输，成为一个难以解决的问题。本文就以淤泥质土的改良为出发点，以同样难以运输与存储的工业废弃原料为掺料，作为淤泥质土固化剂，找到能够改良淤泥质土特性的最优配比，将其作为公路路基填料，具有良好应用前景。通过混料试验研究发现：选取高炉矿渣、粉煤灰、电石渣三种掺量比值为42.1:11.5:46.4可以很好满足公路路基填土要求。

Abstract:

With the continuous improvement of my country's infrastructure construction, the coverage of road traffic construction continues to expand, soil problems are diversified, and silty soil problems are increasingly encountered in road engineering construction. Due to its strong fluidity and lack of bearing capacity, silty soil has been difficult to be effectively used in engineering practice. At the same time, it is difficult to transport long-distance due to storage and transportation problems. solved problem. This article takes the improvement of silty soil as the starting point, uses industrial waste materials that are also difficult to transport and store as admixtures, as a silty soil curing agent, finds the optimal ratio that can improve the characteristics of silty soil, and uses it as a highway roadbed. Filler has good application prospects. Through mixing experiment research, it is found that selecting the ratio of blast furnace slag, fly ash, and calcium carbide slag to 42.1:11.5:46.4 can well meet the requirements of highway subgrade filling.