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Measurement of cement and aggregates - by weight vs. by volume
Measurement of constituents for concrete is usually carried out by weight since of the following reasons:
(i) Air is trapped inside cement whereas water may be present in aggregates. As such measurement by volume necessitates the consideration of the bulking effect by air and water.
(ii) Accuracy of measurement of cement and aggregates by weight is higher when compared with measurement by volume when weighing machine is properly calibrated and maintained. This decreases the potential of deviation in material quantity with higher accuracy in measurement for the design mix and results in more economical design without the wastage of excess materials.
4. Calculate the loose volume of material needed to fill in the trench as sketched below. The following information is also known: [7] o Length of trench = 250 m o Trench
Non-distortional Prestressing Concrete members deflect due to their own self weight. If prestressing force is applied in such a way that these deflections are eliminated due to
Define the statements about error analysis? I. The expected value (or: most likely; probable value) of a measurement is the value that has the highest value of being correct.
I want to get help in my Steel Structure Project Thanks
what is brick masonry
Ductility Test: The ductility of a bituminous binder is its ability to deform under load and return to its original condition after removal of the load. The property is deter
Use of Admixtures in Concrete The use of chemical admixtures may be made in prestressed concrete construction. But the admixture should not contain chlorides in any form. This
A masonry retaining wall is 1.5 m wide at the top, 3.5 m wide at the base and 6 m high. It is trapezoidal in section and has a vertical face on the earth side. The backfill is leve
A No 10 steel rebar is tested in tension by monitoring the load reading of the testing machine it was found that the specimen yielded at aload of 41600lb and fractured at 48300 lb
ADVANTAGES AND DISADVANTAGES OF SINGLE FLUMESH BOUND
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