Figure 2 shows the results of 10 replicated mixes, where two samples were used: one was a neat cement
paste prepared by the water-to-cement ratio (w/cm) of 0.40 and the other having the same w/cm incorporated a HRWRA (0.04% dosage per cement mass).
grout was mixed in the CG-500 unit, with each hole consuming 55 liters of grout pumped into the strata through tubes.
The hardness of boards containing PS was 35% lower than control (neat cement
The first beam was without reinforcement but only neat cement
was used as a binding material.
In addition, the control samples (neat cement
) were tested using a cement/water ratio of 200/80 based on ovendry weight.
No problems with casting and consolidation were observed using neat cement
paste, and elimination of the sand reduces preparation efforts.
The tunnel was excavated behind a shield, the liner was erected immediately behind the shield, and the 40 mm annulus between the ground and liner was grouted with neat cement
Editorial Note: Contaminated wells and wells that have been inactivated for other reasons should be properly sealed (i.e., by filling the well completely with concrete, cement grout, neat cement
, or clays) and abandoned (5) after an alternative water supply has been substituted.
This means that a thin layer of neat cement
(cement without sand or aggregate), clay, and silt are brought to the surface.
time plots, during the setting of a mixture of wood (bark)-cement, and comparison with neat cement
(Hachmi et al.