APPLICATION OF LIQUID SOLIDIFIED SOIL FOR GREEN AND EFFICIENT BACKFILLING IN DEEP PIT FERTILIZER TRENCH INVOLVING METRO STATIONS
Aiming at the difficulties of backfilling deep foundation pits with restricted working surface and complex surrounding environment,the high-speed pump equipment+hose connection can be flexibly applied to various constrained spaces to realise highly efficient operation;the selection of high-fluidity and self-compacting backfill materials quickly forms a low-strength water-isolating curtain and enhances structural seepage prevention;the liquid curing soil can be made and mixed on-site,avoiding the stagnation of soil in the field,on-site transportation and off-site dissipation,which is in line with the green construction and energy saving and carbon reduction,and achieves high efficiency and safety,green construction,energy-saving and carbon reduction with wide popularisation significance.
foundation pit engineeringfoundation grooveliquid-cured backfill
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