Ufgs 32 11 30 lime treated subgrade lime modified soils wbdg. Mag should have all lime treatment options available. The modification process improves workability and compactability of the soils. Lime treated soil is more suitable for warm regions where temperature is very high and for colder regions it is not suitable.
Post construction evaluation of limetreated soils introduction lime is used to treat weak subgrade soils during construction of highways. Guide technique, service detudes techniques des routes et. Adding quicklime directly to soil is permitted by national lime association, lime treated soil construction manual and by california department of transportation. The influence of lime on the compaction behaviour of soils. The lowest percentage of lime in soil that produces a laboratory ph of 12. However, the use of lime for soil drying, temporary modification, and permanent stabilization is not limited to highway construction see chapter v for more information. This manual was originally written for highway pavement applications, and this revised edition maintains.
Lime soil stabilization method and factors affecting it. Nla bul 326 2004 lime treated soil construction manual. A fact sheet on soil stabilization the national lime association. Stabilizing sulfaterich soils using traditional stabilizers and nontraditional construction methods. Minimum values of the ibi required for using limetreated soil in embankments. Mixture design and testing procedures for lime stabilized soil. A study made to discover the influence of lime on the compaction behaviour of soils showed a major improvement with more than 5% lime added to the soil samples tested and indicated that the. Limesoil stabilization is the process of adding lime to the soil to improve its. Pdf design procedures for soillime stabilization for road and. Lime treated soil construction manual lime stabilization. A small amount of lime 4 to 7% is used to rapidly dehydrate and modify finegrained soils. Due to the volumes of material involved in construction of road, railways and. Contractor is responsible for appropriate safety measures when applying and mixing lime.