In the role of lime pit backfill
We usually say the effective content of lime is the calcium oxide content in lime (CaO) and Magnesium Oxide (MgO) content, the strength of these two substances of two ash macadam plays a decisive role, especially the hydration reaction and fly ash, the content of the play effect is more significant, increase the dose of lime limited nature can improve two ash gravel strength, but it will increase the construction cost, and to improve the crack resistance of two ash macadam is also very unfavorable, therefore, should try to select the high effective content of white ash, usually require lime must reach the standard two level grey more than that, the content of effective calcium and Magnesium Oxide in lime is not less than 80%, so as to meet the needs of two ash macadam oxidation and hydration process, ensure the basic strength, but also can improve the stability of the grass-roots The effect of the utility model does not affect the cracking resistance of the utility model, and is favorable for guaranteeing the quality of the grass roots.
In ground treatment engineering, lime soil is not only used as cushion material of general foundation, but also used as compaction pile and soil for strengthening foundation. It is called lime soil pile. Do the swimming pool with lime soil walls to prevent water leakage of lining.
First of all, the chemical reaction of lime soil, lime is calcium oxide (quicklime) and calcium hydroxide (slaked lime) collectively. Regardless of lime, slaked lime, hydrated silica and soil in three or two aluminum oxide, ferric oxide and other substances can be generated with cemented calcium silicate, calcium aluminate, calcium ferrite, the soil cement, lime soil that has high strength and water resistance. Lime soil gradually hardens and increases the adhesion between soil particles.
