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When the slab over lintel is above apex of equilateral triangle formed on lintel, load of masonry is considered as

(a) rectangular load

(b) triangular load

(c) trapezoidal load

(d) no load is considered

This question was posed to me in my homework.

I want to ask this question from Castellated Beams & Lintels topic in section Design of Beams of Design of Steel Structures

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Correct choice is (b) triangular load

For explanation: When the slab over lintel is above apex of equilateral triangle formed on lintel, the load of masonry in the triangle thus formed is assumed to act over it. When the design load is from triangular portion of masonry , the maximum moment will be  Wl/6, where W =  triangular load from masonry and l = effective span of lintel.

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