Discussion abt exam..

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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 1:45 am

fakeeeeeeeessssss el modeeeeeeeeees
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Re: Discussion abt exam..

Post by abdelwahab mosleh on Fri 16 Jan 2009, 2:16 am

khela1111 wrote:fakeeeeeeeessssss el modeeeeeeeeees
l222222222222222222222 ..sory ana la2etha fe emt7an 2006..sory again laken fe applications fe el dr war2 faks Very Happy
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Re: Discussion abt exam..

Post by eng.moro on Fri 16 Jan 2009, 6:38 pm

el so2al da mtkrr ktyr w msh 3arfo egabto
sketch for the possible failure modes of a reinforced concrete member strengthened by carbon fibers......
w sorry so2al tany...mention the required precautions to avoid the drawbacks of crack stitching teghniques....thnx
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 6:52 pm

mention the required precautions to avoid the drawbacks of crack stitching teghniques :

1-use different lengths of stitch dog bars to distribute stresses on concrete .
2-brace the stitch dog bars with "moona" to prevent buckling out of plane in case of compression stresses .
3-after the last stitch dog bar , the crack may open up after it so we make a hole after the last crack and fill it with filling material .
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 6:55 pm

sketch for the possible failure modes :
all i know about it is the graph between GFRP , CFRP and steel , that shows stress-strain curve , showing the brittle failure for the FRP materials .
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 6:58 pm

question :
what is the direction of FRP strengthening a flexure beam ? or we just use a bi-direction FRP
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Re: Discussion abt exam..

Post by MO7AMED REFA3Y on Fri 16 Jan 2009, 7:20 pm

la2 ya 7os
e7na asln use uni-directional
we bykon l direction bta3 l fibers hwa l lenght of beam bs keda Very Happy

bel nesba lel so2al bta3 l modes of failure hwa mawgood fe mlzmet dr ye7iya bs hwa mgabsh serto fe l lects 5aaaales
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 7:31 pm

hmm thx fti Very Happy
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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 7:36 pm

ya gd3aan howa el area bta3t slant shear test btsawee ehhh
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 7:43 pm

it's the cross sectional area of the sample = 10cm*10cm , unless you have been given another dimensions.
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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 7:44 pm

wala 10*40 ??????
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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 7:45 pm

we so2al kaman howa el strength howa el q
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Re: Discussion abt exam..

Post by eng.moro on Fri 16 Jan 2009, 7:51 pm

mohamad hosam wrote:mention the required precautions to avoid the drawbacks of crack stitching teghniques :

1-use different lengths of stitch dog bars to distribute stresses on concrete .
2-brace the stitch dog bars with "moona" to prevent buckling out of plane in case of compression stresses .
3-after the last stitch dog bar , the crack may open up after it so we make a hole after the last crack and fill it with filling material .

thnx alllllllllot
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 7:55 pm

q calculated is the shear strength in case of sliding failure i believe .
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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 7:57 pm

thnxxxx
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Re: Discussion abt exam..

Post by eng.moro on Fri 16 Jan 2009, 8:03 pm

bel nesba lel so2al bta3 l modes of failure hwa mawgood fe mlzmet dr ye7iya bs hwa mgabsh serto fe l lects 5aaaales[/quote]


tayb hoa momken t3ml scan llsaf7a de ya refa3y ???
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Re: Discussion abt exam..

Post by zizoxide on Fri 16 Jan 2009, 8:16 pm

eng.moro wrote:bel nesba lel so2al bta3 l modes of failure hwa mawgood fe mlzmet dr ye7iya bs hwa mgabsh serto fe l lects 5aaaales


tayb hoa momken t3ml scan llsaf7a de ya refa3y ???[/quote]

emseki Very Happy

http://img229.imageshack.us/img229/6965/16012009805st7.jpg

bas m3lesh elQuality msh ad kda..
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Re: Discussion abt exam..

Post by eng.moro on Fri 16 Jan 2009, 8:21 pm

rbna ykhalik ll sha3b ya zizioooo Very Happy
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Re: Discussion abt exam..

Post by mohamad hosam on Fri 16 Jan 2009, 8:27 pm

انا اتعميت من الكوالتي دي بس الف شكر ههههههههه
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Re: Discussion abt exam..

Post by m_abdo on Fri 16 Jan 2009, 8:51 pm

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Re: Discussion abt exam..

Post by eng.moro on Fri 16 Jan 2009, 8:53 pm

7a2e2yy thnx mn el 7agm el kbyyyr Very Happy ..thnx alooooot m-abdo & thnx alooooot zizoo
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Re: Discussion abt exam..

Post by semsem43 on Fri 16 Jan 2009, 9:30 pm

thanx ya abdo el dnia nowart fag2a:D
and thanx zizo
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Re: Discussion abt exam..

Post by zizoxide on Fri 16 Jan 2009, 9:48 pm

yaaah Very Happy ad eih elsora elly bl mob. w7sha Very Happy

thx 3bdo 3l mosa3da Wink
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Re: Discussion abt exam..

Post by a m on Fri 16 Jan 2009, 11:27 pm

momken so2al
what are the differences between slant test and pull of test?
ashra7 al a5tebrain wbs wla ah
wfe alms2la bt3et 2006 2al
using neat skeatches show the mode of faliure for each test?
arsem rasmet alfailure aly f wr2 almo3ed wbs?

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Re: Discussion abt exam..

Post by khela1111 on Fri 16 Jan 2009, 11:32 pm

kont lsa 7as2al el so2aaleen dool
bas t2reeban difference bet two test enak t2olo el modes of faliure we bnstkhdmhom leeh
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Re: Discussion abt exam..

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