Answer Posted / manish

Construction joint is the joint provided without
interlocking two different designed structures having
different properties in terms of cc, rcc, pre-cast, various
grades, design etc. Different ratio of expansion &
contraction between two different structures has to be
neutralized to avoid any damage in structure.
Expansion Joint is especially provided to maintain the
changes in the dimension of the concrete mass due to the
effect of temperature on construction material like steel,
cement, aggregates and any material or object is in
conjuction with.Also entire part is not affected by any
settlement of base or related strucures.

how ratio is calculated for any grade of concrete. for e.g. sppose M20 requires(x;y:z) quantity of cememt sand and aggregate.

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What are the methods of measurement? Describe it shortly

2284

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What is thumb rule for deep trench excavation

1860

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What is pre-stressed concrete?

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we have a crushing plant and our product is experiencing flakiness and elongation over limit for granite. what is the solution to this problem? how can it be avoided and what to do differently? It is not ok for batching plants

2221

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What are new methods /technologies of pothole patching?

2460

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What is the average density of soil?

1317

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How can calculate the requirement of steel bars of rcc slab for 1100 sq ft?

2109

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Dear sir, i want to NBCC & NTPC previous exam papers email Id : madhu_bingi@yahoo.co.in

2598

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What is meaning of tlc

2150

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WET BULB TEMPERATURE AND DRY BULB TEMPERATURE?

2416

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What is the meaning of soil reinforcement?

1207

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How do you calculate the power of a centrifugal pump?

1195

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a) Difference between Ghol , Chimney & fly ash bricks b)Floor to floor height is 3m , rise=15cm , tread 20 cm , how to design staircase means steps landing

3309

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how can we construct building without foundation providing only grade beam at ground level

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