For under water concreting.?

At least 10 percent more cement is required as compared to dry conditions
The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate
De-watering by pumping is not done or until 24 hours thereafter
All the above

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

4 views Answered 2022-09-01 13:21

Related Questions

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be?

1 Answers 5 Views

For construction of structures under water, the type of lime used, is?

1 Answers 4 Views

The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of waterThe correct answer is?

1 Answers 5 Views

The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called?

1 Answers 5 Views

High pressure grouting is generally restored for concreting in the lining if the rock strata is:?

1 Answers 5 Views

Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of?

1 Answers 5 Views

Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is?

1 Answers 6 Views

Under Mauryas each province was placed under a__________?

1 Answers 4 Views

Assertion (A): The nobility under Muhammad bin Tughlaq was a highly homogeneous one. Reason (R): Royal intervention in the iqta system was as its peak under Muhammad Tughlaq.?

1 Answers 5 Views

Under Shivaji each province was under a?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)