Whatsapp groups are closed now due to no impact in development of skills which we thought.
Currently there is only one whatsapp group is operated, which is also a experiment for doing innovation...
As per IS 456 water used for concrete mixing and curing should have pH value above 6
It also says for ground water pH should be from 6 to 9.
Below 6, its acidic and above 8 it goes towards alkaline.
Anything acidic is dangerous.
i think he said, You can add more KPI's in it as per your need.
it means you can add more KPI to it as per your need as you have basic KPI in this and you can replicate it.
Saturated surface dry condition, it mean, the aggregates do have completely filled voids with water in inside structure and dry from the surface.
I did not find any limitations like this mentioned in MORTH nor anyone stopped me from doing such concrete.
Please provide the details of such...
What is the purpose of post-grouting for mini-piles?
Answer: Post-grouting is normally carried out some time when grout of the initial grouting work has set (e.g. within 24 hours of initial grouting). It helps to increase the bearing capacity of mini- piles by enhancing larger effective pile...
What are the functions of different components of a typical expansion joint?
Answer: In a typical expansion joint, it normally contains the following components: joint sealant, joint filler, dowel bar, PVC dowel sleeve, bond breaker tape and cradle bent.
Joint sealant: it seals the joint...
In checking the quality of weld, what are the pros and cons of various non-destructive weld inspection methods i.e. ultrasonic test, radiographic inspection and magnetic particle flaw detection test?
Answer: Currently, there are three common non-destructive testing of weld, namely radiographic...
In the design of watermains, how to decide the usage of double air valves and single air valves?
Answer: Single air valves allow squeezing air out of the pipeline in automatic mode in high- pressure condition and are normally designed in high points of watermain in which air voids are present...
What is the function of shear keys in the design of retaining walls?
Answer: In determining the external stability of retaining walls, failure modes like bearing failure, sliding and overturning are normally considered in design. In considering the criterion of sliding, the sliding resistance...
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