water cement


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hydraulic cement

A cement that hardens under water. See cement, 2.
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(iii) In scheme III, there are 4 groups to test the shear strength of fine particle broken rock grouting reinforced concretion under different water cement ratio.
(iv) In scheme IV, there are 4 groups to test the shear strength of medium particle broken rock grouting reinforced concretion under different water cement ratio.
The water cement ratio used in the experiment was 0.5; the concrete mix design was 1:2:3.
The reduction in compressive strength with increasing in the amount of polypropylene grains can be attributed to the tiny voids created within the concrete matrix by the presence of the fluffy polypropylene grains, these voids were filled with water when the concrete was wet, and this also contributed to the high water cement ration of 0.75 that was used and the eventual low cube strength of 19.07 N/ mm2 obtained for the control sample.
As a given free water cement ratio (0.45) was used in concrete mixes, no possibility of the variation in the pore structure could be achieved, as long as the pores are assumed to be produced in the cement matrix.
Thus it can be said that the higher cement content may benefit in raising the resistance to frost damage at a given free water cement ratio, except for the use of air-entraining agents.
Tenders are invited for External water cement paint / Acrylic smooth exterior paint/ Finishing wall at out side of Residential and Non Residential Building in section No 25 and other section under M-3, sub Division Bhopal.
The water cement ratio of the cement pastes was 0.5 and the curing age was 60 d in the XRD and DSC-TG tests.
Figure 7 also indicates that, at the same dosage of CWCPM, C30 concrete (with water cement ratio of 0.49) has the lowest [D.sub.RCM] value, whereas C20 concrete (with water cement ratio of 0.52) has the largest value, which means the antipermeability performance is improved with the decrease of the water cement ratio.
All concrete work shall be 4500 PSI, air-entrained to 6% and a maximum water cement ratio of 0.
The influences of cover thicknesses and water cement ratio on steel corrosion under freeze-thaw environment are also discussed.
Tenders are invited for External water cement paint / Acrylic smooth exterior paint/ Finishing wall at out side of Non Residential Building under jail-3, sub Division Bhopal.