what are the changes in concrete pour height as per IS 456, 2009?

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Before casting a basement roof slab which is connected with retaining wall surcharge load (i.e. sand or earth filling) outside the retaining wall is prohibited because of––

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silt%= silt volume/ silt+sand volume is this right?

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how to calculate bottom width of staircase explain briefly

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what is derating factor in cable? what does it mean if derating factor is high/low in terms of thermal resistivity of soil?

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what is the allowable silt % in river sand for Dam concreting.

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Explain creep?

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how to check aggregate quantity in stock yard

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what is the types of surveying?which type of survey carrying for type of work?

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How do you calculate load bearing capacity of a waffle slab?

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In the present situation of ban on mining sand from rivers,can we go for formation of earth dam filters viz;Horizantal sand blanket,inclined chimney and filters under rivetment with crushed rock sand of 6mm down size.If so what are the specifications and is there any codal provision for its authentication?

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In block work seawalls what is the purpose of slip joints?

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