Answer / anil kumar prasad

To prevent the developement of crack due to expansion &
contraction of steel & cement with temperature.

Answer / sunil

To avoid the air crack

Answer / rishabh thakur

absolutly right, i am agree with Mr. sunil, bcz the material used(cement ,fine etc.) expand with temp.so it should be provided b/w to complex

A doubly reinforced concrete beam is 25 cm wide and 50cm deep to the centre of tension reinforcement. The centre of compression is steel is 5cm from the compression edge. The areas of the compression and the tension steel are 10.16cm2 and 12.56 cm2 if m=18 and the bending moment at the section is 7,000,000 N-cm. Calculate the stress in concrete and steel.

0 Answers  

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why we use for testing of compression strength concrete the size of specimen 150x150x150. why we are not using another dimension like 100x150x100 uneven dimension.

0 Answers   Guru Nanak,

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What are the advantages of cad software?

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1 Answers   Isolux Corsan,

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strength vs shape factor

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1 Answers  

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what is the meaning of degreasing of the euipment or line.

1 Answers  

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2 Answers   Galfar,

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What is the difference between face reinforcement and distribution bar in a concrete structure?

2 Answers  

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How many layers in 12mm and 18mm plywood?

6 Answers   JMC Projects, L&T,

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Please Clear My doubt . We Can Design the size of the beam by manually by the Length of the beam...What is the technique adopted

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How to calculate Cement in bags ,sand in sqft and aggregate in sqft for 1cum M25 grade concrete

0 Answers  

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