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Dears I have a High-rise building have columns in some at perimeter that turn to walls in residential upper floors and some of these walls are not concentric with the lower columns. (See attached photo) How to consider this case in ETABS model...

thanks all for your replies

Dears I`m using ETABS 16 and defining EQ load pattern as shown in attached photo (6 steps), My question is how ETABS deal with this MULTI STEPS - load pattern in combination like ( 0.9D + 1.0...

Dears If i have one site contains a Police Station building and Apartment building and distance between them approximately 4 m or less shall i consider occupancy category IV for all buildings located in site or near to the Police station?

It is related to Expansion Joint location in 2 story admin building and it length about 56 meters. Shall i make an Exp.J and neglect temperature analysis or 56 is ok without Exp.J

Dears Is there any recommendations in ACI telling when to use thermal analysis on concrete building.

thanks alot motorcity , i have the fence type shown in uploaded photo , shall i use expansion joint in grade beam??

hi I have concrete grade beams carrying steel fence , is there any code provisions for expansion joint spacing ?

Dears Is Etabs design nonprismatic section ? because when designing a message appears " error design ..... "

Dears, I have a concrete beam with 200mm width and pipe sleeve of diam 50mm shall go through this beam vertically - Reinforcement for this beam is 2 dia 16 , so as per code ACI318 i have to achieve cover 40 mm to stirrups and 20 mm to main RFT, for that purpose all my beams in the project...

thanks guys , l`m in ksa and do not have money for that :D i need a free download

Dears i need a copy of ACI 530 latest version 2011 or 2014 .

dears Is there a ref. for excluding stress under footing from column reaction when computing actual punching shear stress ??? Prokon do that ASDIP do not do that I need a reference for that exclude.

here in saudi arabia all tanks courses used are 2 m width not more than 2

Dears Is there any recommendations in ACI telling when to use thermal analysis on concrete building. for example , i have a small villa 15m X 15m shall i do thermal analysis or not ?

Dear all I have a strip footing with membrane waterproofing,seawater level is under the footing by 0.2 m . Which allowable ic ACI224 table 4.1 to be considered 0.15 for sea water or 0.41 for protective membrane ??

Dears I have a comment from a str Reviewer in royal commission in KSA about the wind speed used in Etabs model with ASCE7-10 he is talking about factored wind speed , anybody have information concerning this iisue ????

Dears I usually use static analysis in my work but i have a question Is there a must to use response spectrum analysis in seismic design category A in ASCE???

Dears Does Etabs calculate buckling for walls or not ??

i believe that 4:1 ratio is mentioned in BS code in the Egyptian code the ratio is 5:1