This answer was given by IIT Bombay faculty.
The system of cube curing and testing was started by British Government. In that era Saturday and Sunday used to be holdiay. To avoid the testing date to coincide with Saturday or Sunday, cube testing used to be scheduled on 28 days.
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Case 1. Flexural members
As you increase the load ‘w’, at some point in time the compressive strain ‘εc’ and stress ‘σcbc’ in extreme fibres will reach to 0.002 and 0.446fck respectively.
If you further increase ‘w’, ‘εc’ will increase without any increase in ‘σcbc’ (refer Stress-Strain...
As a structural engineer I will never recommend to use steel without complete knowledge of location as steel requirement changes from load and position. You will get steel by using thumb rules and it will work for sometime but it is not recommended for quality work. This is just juggad work but...
In today world contact and talent is must. Even if you have talent but do not have any contact then your talent will not get desire value. Following are some of the solutions for soft skill development.
Techniques in Handling People
Don't criticize, condemn or complain.
Give honest and...
Dear Students,
Most of you are often confused regarding BE project or ME research topic. I have gathered some of the topics which will help you in deciding topics for projects.
Earthquake Related Topics
Analysis of Seismic Demand in different structural members...
Autocad can not be used for analysis and design as it is drafting software. For analysis and design you will have to import autocad model into etabs or staad pro. Those softwares will give you analysis and design.
Procedure of Post Tensioning
Placing tendons
Tendons are housed in tendon ducts and the ducts are fixed in their predetermined alignment, level and profile. (Sometimes the tendons are threaded through the ducts after concreting.)
The tendon ducts shall be securely tied to the reinforcement...
There are various methods of curing. The adoption of a particular method will depend upon the nature of work and the climatic conditions. The following methods of curing of concrete are generally adopted.
Curing of Concrete
Shading concrete work
Covering concrete surfaces with hessian or gunny...
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