Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 1 (Q.No. 2)
2.
If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
Discussion:
95 comments Page 6 of 10.
Protin said:
9 years ago
I agree with Rajayogan. If the weight of cement is only 375 gms and the water is 1500 gms/ml, try mixing it to make a paste, practically it won't form a paste but it will become a solution of cement and water. But 1500gms of cement and 375 gms of water is possible to make a paste.
So the question shall be recapitulated as stated by Prof. Sir.
So the question shall be recapitulated as stated by Prof. Sir.
Y. vamsi krishna said:
9 years ago
Normal consistency of water (%) = (wt.of water/wt .of cement) * 100,
Then given
wt .of water : 1500.
wt.of cement : 1875.
= (1500/1875) * 100 = 80%.
Then given
wt .of water : 1500.
wt.of cement : 1875.
= (1500/1875) * 100 = 80%.
MD SAMSUZZAMAN said:
9 years ago
Actually, if we consider the above question then the answer will be 400%.
Antony praveen said:
9 years ago
@ Malavika & @Rajayogan.
Why we calculate the percentage of water. What's benefits? Please discuss with us.
Why we calculate the percentage of water. What's benefits? Please discuss with us.
Medhat Abdulaziz said:
9 years ago
Calculate the percentage of water (P) by weight of dry cement required to prepare cement paste of standard consistency by the following a formula, and express it in the first place of decimal.
Cement consistency 1.
P = (W/C)*100
Where,
W = Quantity of water added.
C = Quantity of cement used.
Cement consistency 1.
P = (W/C)*100
Where,
W = Quantity of water added.
C = Quantity of cement used.
Mohamad said:
10 years ago
I agree with my colleagues that the question is wrong.
The water weight should be 375 gram.
The water weight should be 375 gram.
Ken said:
10 years ago
Is this o/o of water constant or what I want to know?
DARSHAN H A said:
10 years ago
Normal consistency is the ratio of w/c, hence in the question weight of cement is 1500 and weight of water is 1875-1500 = 375.
The question it self is wrong. By understanding the concept we can calculate consistency = 375/1500 x 100 = 25%.
The question it self is wrong. By understanding the concept we can calculate consistency = 375/1500 x 100 = 25%.
Najrul said:
10 years ago
Wt of cement = 1875-1500 = 375.
Wt of water = 1500.
% of water required = 375/1500*100 = 25% answer.
Wt of water = 1500.
% of water required = 375/1500*100 = 25% answer.
SABYA said:
10 years ago
Sir I can't understand why the weight of water is taken (1875-1500) = 375 gm?
Here as per question the wt of water = 1500 gm.
Wt of cement = 375 gm.
And we know that % of water = (WT OF WATER/WT OF CEMENT)*100.
Here as per question the wt of water = 1500 gm.
Wt of cement = 375 gm.
And we know that % of water = (WT OF WATER/WT OF CEMENT)*100.
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