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随着建筑技术的不断发展和进步,加固建筑地基的方法变得逐渐多样化,例如可以使用粉土地基的地震液化及变形来加固,碎石桩技术也属于加固地基的一种。运用碎石桩技术来加固预防地基,主要是利用它的抗液化效应,来增加建筑物的密度、强度,同时还有利于粉土地基的排水以及增加木桩的地震水平剪应力。本文主要通过研究国内外碎石桩技术的最新成果,进一步探究探讨它在加固砂土、粉土地基抗液化特性中的应用,同时详细的分析了碎石桩的作用,例如碎石桩的加排水减压、减震作用等,进而不断促进碎石桩技术广泛的在粉土地基抗液化中的应用。
With the continuous development and improvement of building technology, the methods of reinforcing the foundations of buildings become more and more diversified. For example, they can be reinforced by the earthquake liquefaction and deformation of silt foundation, and the gravel pile technology also belongs to a kind of reinforced foundation. The use of gravel pile technology to reinforce the prevention foundation mainly uses its anti-liquefaction effect to increase the density and strength of the building, at the same time, it also facilitates the drainage of silt foundation and increases the seismic horizontal shear stress of the pile. This paper mainly studies the latest achievements of gravel pile technology at home and abroad, further explores its application in the anti-liquefaction characteristics of reinforced sand and silt foundation, and analyzes in detail the role of gravel pile, such as gravel pile plus Drainage decompression, damping effect, etc., and thus continue to promote the technology of gravel pile in the anti-liquefaction of silt foundation.