Search results for query: *

Dear All I am not clear on upper limit of1.4 on the second to primary moment ratio. M2nd-order=< 1.4M1st-order. the question is which moment ( M2nd-order (Pdelta(big))(Sideway only) or M2nd-order (P delta(big)+delta(small))(Sideway+slenderness effect) )to compare with M1st-order? Thank you

Dear Everyone I am not sure about this section in ACI318-19"6.7.1.3 The cross-sectional dimensions of each member used in an analysis (Linear elastic second-order analysis) to calculate slenderness effects shall be within 10 percent of the specified member dimensions in construction documents or...

Dear all between Pa=0.25*f'c (In foundation Book) and Pa=0.3f'c x Ag+0.4fy x As (ACI318) what should I use? Thank you

Dear all I have question on design load of Helipads as per ASCE7-16 1.Should we apply load of Helicopter only (1.92kPa/2.87kPa)? and how about effect wind from Helicopter? [Pic-1] 2.Other section 4.11 in ASCE state that 2 kinds of apply concentrated load: 2 single concentrated loads (2.44m)...

Dear everyone Could you explain me picture below in CSI Etabs to performant quasi-static Analysis ? Thank you

Dear all What is quasi-static analysis? Do some software such Etabs, Robot Structural Analysis have it or not? Thank you

Dear All what mass combination (Masssource) for calculate frequency of building? Thank you

Dear all What reason for this cracking after casting concrete? (Attachment file) What solution for cracking ? Thank you 🙏

hello Everyone why we need calculate the evaporation rate of surface ? when we know it what will we do at site? (attachment file) thank you

Hello everyone please explain me about the Note: ' * IN CASE OF THE DEPTH OF FOUNDATION AND TIE GIRDER ACCOMMODATE DEVELOPMENT LENGTH OF COLUMN, STANDARD 90 HOOK SHALL NOT BE APPLIED" ? thank you

Hi all How to model beam with 2 different slab level in etabs? Thank you

Hello All How to model Beam with 2 Difference Level Slab in Etabs? and make sure it work properly as real-life structure? (as attachment) Thank you! https://files.engineering.com/getfile.aspx?folder=1f72007e-a585-4dbf-8baa-b3bbd7fcb24b&file=2_Difference_Level_Slab.png

Dear all How to check Overturning in Combination with wind case ? Thank you

Dear All Can you explain this section (Red Circle) in attachment file ? Thank you

Dear all I don't understand these points: Table 6.6.3.1.1(a)-[---] at Factored Load Level Table 6.6.3.1.1(b)-[---] at Factored Load What means of these words "Factored Load Level" and "Factored Load" ? Please see attachement. Thank you.

Dear everyone If I do run non-linear static analysis for capture P-Delta and then let’s the program (Etabs) design/check the capacity of column, instead using Moment Magnifier. Should I reduce the moment inertia of members as per ACI? Another question In Global Analyses (Drift Check), Should I...

Dear Everyone Have you ever meet this error in Etabs for Exporting Data Excel? It error by Excel or Etabs? Many thank for Replying,

Dear Alls, I have faced this warning in Etabs2016, How can I solve it? For Slab Combination and Wall Combination " ---------------------------------------- BASIC STABILITY CHECK FOR FORCE-CONTROLLED NONLINEAR STATIC LOAD CASES: NUMBER OF NEGATIVE STIFFNESS EIGENVALUES SHOULD BE ZERO FOR...

Dear Everyone! I have a 8F Building project design with Swimming pool on Top,How can we applying water pressure of Swimming pool in Modeling (Etabs)? as I know water pressure divide in to 2 : Static and Dynamic. Thank you.

Dear everyone! Could you tell about torsional constant modifier value in Etabs to as code requirement? when reduce it, effect on other local and global stability design?