石灰加固法是在土内掺入3～20％的石灰来增强土体的稳定性和耐久性。这个方法在中国古代、欧洲、美国等地使用过,即使在日本也使用过灰土、三合土等,所以不能说它是一种新的方法。可是目前由于石灰质量的改进,产量的增多以及新的施工方法的发展,因此它以新的形式出现被用来加固土体。 The lime reinforcement method incorporates 3 to 20% lime in the soil to enhance the stability and durability of the soil. This method was used in ancient China, Europe, and the United States. Even in Japan, lime soil, triad soil, etc. were used, so it cannot be said that it is a new method. However, due to the improvement of the quality of lime, the increase of production and the development of new construction methods, it has emerged in new forms to reinforce soil.