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HITEC UNIVERSITY TAXILA CANTT

Engineering Mechanics (Lab)

Experiment # 09

Submitted To:

Madam. Munazza Haq

By

Ahmed Hassan

14-ME-0 19

Section ( A)

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Ahmed Hassan EXPERIMENT # 09 14-ME-019

b!ecti"e: To fnd the reaction on imp!" upported eam.

A##aratus:Simp!" Supported $eam %pparatu

$iagram:

E%#&anation: Beams:

% eam i a tructura! e!ement that i capa !e o& 'ith tandin !oadprimari!" " re i tin endin .

The endin &orce induced into the materia! o& the eam a a re u!to& the externa! !oad o'n 'ei ht pan and externa! reaction to the e !oad ica!!ed a endin moment.

Stresses in Beams:*nterna!!" eam experience compre i+e ten i!e and hear

tre e a a re u!t o& the !oad app!ied to them. T"pica!!" under ra+it"!oad the ori ina! !en th o& the eam i !i ht!" reduced to enc!o e a

ma!!er radiu arc at the top o& the eam re u!tin in compre ion 'hi!ethe ame ori ina! eam !en th at the ottom o& the eam i !i ht!"

tretched to enc!o e a !ar er radiu arc and o i under ten ion. The ame ori ina! !en th o& the midd!e o& the eam enera!!"

ha!&'a" et'een the top and ottom i the ame a the radia! arc o& endin and o it i under neither compre ion nor ten ion and defne the

neutra! axi . Ty#es ' Beams:

There are &o!!o'in t"pe o& eam ,1 Sim#&y Su##orted Beam:

The $eam 'hich i upported " to upport at it end .

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Ahmed Hassan EXPERIMENT # 09 14-ME-019

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Ahmed Hassan EXPERIMENT # 09 14-ME-019

*anti&e"er Beam: The eam 'hich i fxed on one end and the other end i &ree!"hun .

+ ,i%ed Beam: The eam 'hich i fxed on oth end .

- *ontinuous Beam: The eam 'hich i upported on more than t'o upport .

. "er Hanging Beam The eam 'hich i upported on the corner on one end and the

other end i han in a&ter the upport.

/ $oub&e Hanging Beam: The eam 'hich i upported " t'o upport ut the end arehun &ree!".

Trussed Beam: The eam 'hich are oined to ether to &orm a tru .

bser"ation *a&cu&ations:ei ht o& $eam / 1 2g 3 9 41 5

Sr6

Load

L1

(5)

Load

L2

(5)

$istanc

ed1

(m)

$istan

ced2

(m)

$istanc

ed3

(m)

7ractica&

8eactions(5)

Theoretica&

8eactions(5)

R A

RB

R A

RB

1 1 .2 .31 0.22 0. 0.5323.44 21. 3

26 .2

41 .

2 0.22 0. 0.5344.14 64.66

+ 53.431 .

2 0.22 0. 0.53 53.4345.03

3

*onc&usion: The reaction are ca!cu!ated oth theoretica!!" and practica!!".

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Ahmed Hassan EXPERIMENT # 09 14-ME-019

A##&ications: $ui!din Structure . 7!othe Han er .

Hea+" Machinerie .