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Hi all, If I have dewatering system deep well and I will use shoring system like soldier piles What is the sequence of activities. Should it be shoring then deep well then excavation .. noting that the foundation is raft Thanks Maher

Hi all Is their any difference in drift allowable in case wind load than seismic for frames And how much Seay allowable for frames in buildings with only one roof as a factory for example Thanks Kamal

Greetings I have one ancor in base plates has tension force . No space for adding ful net so contractor add half nut .. how can I calculate that the half nut will able to sustain the tension force Thanks

Dear all, For anchors bolts in a base plate (fixed base) For small structure(fabric sail tent) is it enough to make anchor bolts snug tighting or it required torque ..af it required the anchor grade is 8.8 which is not exists in design guide 1 can we consider it as grade F1554 grade 105 and to...

Dear all, Is it possible to use steel pipes grade API X52 in structure specially if the required diameter isn't found for the similar grades as S355 or A572 grade 50. Thanks Mohamed Maher

Dear all, Greetings, I have two pipes welded together as attached, they are a section of a cantilever. I can’t add one pipe only instead for architectural purpose. Is it accepted to consider them as one cross sections by getting the equivalent inertia for both pipes in resisting the major...

Hi all I have one car parking shade need to be designed. And I'm thinking which risk category for cat parking I can select to minmize the loads for wond load ..my code is asce 7-10.kindly advise. Thanks and Best regards Mohamed Maher

Dear all anyone has design calculation for space 3d truss can share it with me, please. is it the same as normal trusses or it needs a special requirement? and the joint ball which is collecting the members(kindly refer to the attached, how we can design it? Thanks...

Dear all Soli bearing capacity for isolated footing or any footing should be checked under working or ultimate loads? Thanks Mohamed Maher

Dear all, In the Idea statica program .. in the modeling you can't make all the possible connections for example you can't make pipe connection and to be slotted by two plates not only one. my question if I draw the detail on Tekla is it possible to transfer it to idea by any shape even this...

Hi all I have on roof steel building with span 43 m , its fixed on parapet which is cover most of area of the steel element. Is this parapet can decrease the affect of wind load and which part in the ASCE code can support this please. for example can i neglect wind on all levels below the...

Dear all I have one column modeled in sap2000 as a shell element the column should be with grade s355 when I check the stresses in S11 it's exceeds the yield limit of AISC 10-16 which should be yield multiplied by 0.9 but when I check Svm(von mises stresses) it's accepted..which one I should...

Dear all We have some steel pipes and tubes we bought it from supplier to be s355 grade we make test after receiving the materials and we found some steel sections not achieved the elongation limit..is this can be used? knowing that we design on wind only not seismic as it's not govern That...

Hi all I have one model done by our sub contractor and he didn't reply for us any more he provide us sap model contain steel column with shell elements means, its pipe 610 x 30 so he define all the column length by shell elements(shell -thin 30 mm) , my question if i want to check this column...

Hi all, Is there any reference from American code that column splice should be designed for minmum straining actions as a ratio from column capacity. And if there is compression force on the column should it be neglected for better conservative design or should be considered. Thanks Maher

Hi all I have two beams with box section members , we want make splice for it and the suggested splice from architect to insert box in between With length 400 mm from each side and we will add only some bolts for fixation between the main outside beam boxes and the inserted box . The gap...

Dear all I want to get the k factor for the attached truss by using sap 2000 The model consisting from column and trusses arround it..and repeated .the covering is fabric but not shown in the model Kindly find in the attached photo from the model Thanks, Maher...

Dear all I want to get the k factor for the attached truss by using sap 2000 The model consisting from column and trusses arround it..and repeated .the covering is fabric but not shown in the model Kindly find in the attached photo from the model Thanks, Maher...

Dear All, How to transfer from wind speed with 3 gusset to mean hour wind speed. Best regards Mohamed Kamal

Dear All, Regarding stadiums canopy design is it should consider as per ASCE 16 category 2 or 3 for wind speed (as risk 3 is higher in wind speed). Best regards, Mohamed Kamal