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在我国沿海地区除山东地段外,大部分的海岸线为淤泥质海岸,地基大部为高压缩性粘性土,随着我国在这些地区高速公路的建设任务日趋繁重,修筑路堤,常会遇到一些路段由于路堤荷载的作用,使地基土产生过量沉陷和侧向滑动。建设者在认识到公路质量的重要性后对在软土地区修筑路堤开始了更多的研究,对高速公路路基的稳定和地基工后沉降控制的研究也日趋深入。通过对近年来在沿海、沿江地区软基处理的设计体会进行总结,于是有本文,本文主要试图揭示软基各类处理方案及其适用性方面的问题。由于软土地基的处理仍在不断的研究和探索之中,所以,文中主要以现有理论和方法,结合实践,立足于问题的提出和讨论,以便为以后的实践提供探索方向。
In addition to the Shandong section of the coastal areas in China, most of the coastline is silt coastal, mostly high compressive clay foundation, as our country in these areas the construction of the highway increasingly heavy task, the construction of embankments, often encounter some sections Due to the effect of embankment load, subsidence and lateral slip of foundation soil occur. After recognizing the importance of highway quality, builders started more studies on embankment construction in soft soil areas. Research on the stability of subgrade and post-construction settlement control of expressways has also been deepened. Through summarizing the design experience of soft ground treatment in coastal areas and coastal areas in recent years, this article mainly attempts to reveal the various types of processing solutions and their applicability in soft ground. As the treatment of soft soil foundation is still under continuous research and exploration, the article mainly based on the existing theories and methods, combined with practice, based on the presentation and discussion of questions in order to provide exploration for future practice direction.