Mortar and method for compression loose filling of trenches, passages and cavities in earth-moving operations, road construction and foundation construction

摘要

The addition of free, flowable, to say non-pumpable, and itself hardens in a mortar, consisting of– 1,8 to 4,0 vol. -% of portland cement of the classes of quality cem 32,5 r or cem 42,5 r,– 20 to 30 volume% -% water– a granular, ground and mixed with a fine grain content of 0,06 mm from 10 to 40 m. -%, as well as a coarse grain content & 2,0 mm of more than 5 m.-%.