CSI ETABS - 09 - Story Displacement, Story Drift check as UBC 97 | Part 2

In this lecture, Story Displacement, Story Drift and Story Drift Ratio Check as per UBC 97 Part 2 is discussed.
1- Story Displacement, Story Drift and Story excel sheet
Download: civilmdc.com/2020/03/09/story...
2- Uniform Building Code (UBC 97), Volumne I, II and III
Download: civilmdc.com/2020/03/09/unifo...
a) STORY DISPLACEMENT is the lateral displacement of floor or point from its original position.
b) STORY DRIFT is the lateral displacement of one level relative to the level below.
c) STORY DRIFT RATIO is the story drift divided by the story height.
Code requirements
The Maximum Inelastic
Response Displacement, Delta m, shall be computed as follows:
delta m = 0.7 R* delta S
EXCEPTION: Alternatively, delta m may be computed by nonlinear
time history analysis in accordance with Section 1631.6.
1630.10.1 General. Story drifts shall be computed using the
Maximum Inelastic Response Displacement, delta m.
Calculated story drift using delta m, shall not
exceed 0.025 times the story height for structures having a fundamental period of less than 0.7 second. For structures having a fundamental period of 0.7 second or greater, the calculated story drift shall not exceed 0.020 times the story height.
As per UBC -97 Code
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#StoryDrift #StoryDriftRatio #DriftCheck

Пікірлер: 74

  • @civilmdc
    @civilmdc5 жыл бұрын

    To make a Connection / RELATIONSHIP, Don't forget to press the subscribe button with bell icon to get the latest notifications. My channel :) kzread.info/dron/w9kSuR1bTFBmaMEyD_DXvQ.html

  • @musajeremiah9328

    @musajeremiah9328

    2 жыл бұрын

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    @jaxtonabraham4778

    2 жыл бұрын

    @Musa Jeremiah instablaster :)

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    @musajeremiah9328

    2 жыл бұрын

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  • @jaxtonabraham4778

    @jaxtonabraham4778

    2 жыл бұрын

    @Musa Jeremiah You are welcome :D

  • @tajsay
    @tajsay4 жыл бұрын

    Thank you so much Hussain..That was a clear explanation and to the point.

  • @Ejimak1
    @Ejimak14 жыл бұрын

    Thank you so much for this. Super helpful and well explained!

  • @BashirAhmed-jo4zq
    @BashirAhmed-jo4zq3 жыл бұрын

    Learning alot from yuor videos Thanks Buddy

  • @iotadiary4248
    @iotadiary42484 жыл бұрын

    sir, from a story response plot where we have story vs (CM displacement, Max Story Dis, Max Story difts. etc) Do we need to check all the possible plots or particularly for Earthquake loads/ResponseSpectrum cases.

  • @eyobedw1
    @eyobedw1 Жыл бұрын

    thanks your video helped a lot

  • @randyhinojosa9811
    @randyhinojosa98114 жыл бұрын

    Excellent Mr. Hussain,thank you.

  • @civilmdc

    @civilmdc

    4 жыл бұрын

    You're welcome

  • @sourobhossain5892
    @sourobhossain58923 жыл бұрын

    Sir, when i check the drift, displacement and torsional irregularity , then what will be property and stiffness modifier and torsional constant ? Can i reduce the modifier or it will be the the 1?

  • @shoebrahman8484
    @shoebrahman84842 жыл бұрын

    Sir, how to display tables for story drift, displacement, story shear in sap2000 software?

  • @muhammadnaveedkhan9587
    @muhammadnaveedkhan95874 жыл бұрын

    Please tell me what is the allowable displacement?? For a single storey villa...

  • @erimoro3
    @erimoro35 жыл бұрын

    Excellent Engineer, it is understood perfectly seeing each step made in ETABS, it will be a matter of applying it to the norm of each country.

  • @civilmdc

    @civilmdc

    5 жыл бұрын

    Thanks... Yes indeed

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    ​@@civilmdcplease send me exel sheet

  • @civilmdc

    @civilmdc

    10 ай бұрын

    @@user-hu4tg9wy3w download link is given in the description of the post...

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    @@civilmdc True sir..but when I enter the site to download the file I do not find the file..Please check the site

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    @erimoro3 Sir, if you have the excel files, can you send them to me?

  • @sinarongbou556
    @sinarongbou556 Жыл бұрын

    Sir, May I ask in which section of UBC that we can find the limit of storey displacement?? Thank in advance sir

  • @skillhnter1303
    @skillhnter1303 Жыл бұрын

    JAZAKALLAH

  • @Civilization_Engineer
    @Civilization_Engineer3 жыл бұрын

    The story displacement table is not showing all the combinations. It misses some combination results in either x or y direction. How can I solve this?

  • @nakorns320
    @nakorns3204 жыл бұрын

    Thanks for your teaching. I understood follow your step.

  • @civilmdc

    @civilmdc

    4 жыл бұрын

    Welcome... Thanks for your valuable feedback

  • @vaseeminamdar1143
    @vaseeminamdar11434 жыл бұрын

    GUD JOB BROTHER....... REALLY APPRECIATED

  • @civilmdc

    @civilmdc

    4 жыл бұрын

    Thanks

  • @yamilethmendoza8619
    @yamilethmendoza8619 Жыл бұрын

    Thanks for the video. May I ask why you don't use the Story Max/Avg Displacements data (just like ASCE-7 16 video) and instead you use Diaphragm Center of Mass Displacements?

  • @mahdeeabdoh7121
    @mahdeeabdoh71212 ай бұрын

    thank U very much ... what is K ? k always=360 ??

  • @civilengineersforum6252
    @civilengineersforum62522 жыл бұрын

    When I check story displacement, it shows maximum at mid storey ant becomes zero again at top storey

  • @user-hu4tg9wy3w
    @user-hu4tg9wy3w10 ай бұрын

    When I click on the link for the download process, I do not find the Excel file. Please update the links

  • @HappyHouseIdeas
    @HappyHouseIdeas Жыл бұрын

    Sir so we dont have to include the roof beam because it is no in diaphrgm right sir?

  • @umarrafiq490
    @umarrafiq490 Жыл бұрын

    Great

  • @rayo2436
    @rayo24363 жыл бұрын

    Story drif from ETABS is different of manual calculation drifts with Displacements data, why?

  • @iotadiary4248
    @iotadiary42484 жыл бұрын

    sir how to control drifts limits when it exceeded code limits. increasing of section area has very limited imopact over it.

  • @luistanta8901

    @luistanta8901

    4 жыл бұрын

    I want to know this too, please sir, I hope for your answer

  • @JAKE-vr7iu
    @JAKE-vr7iu10 ай бұрын

    There are no files to download, sir. Please update the links

  • @civilengineeringdzyn
    @civilengineeringdzyn2 жыл бұрын

    is that displacment given from column center or column outer edge?

  • @civilmdc

    @civilmdc

    2 жыл бұрын

    I think... It won't make any difference.

  • @civilengineeringdzyn

    @civilengineeringdzyn

    2 жыл бұрын

    @@civilmdc while calculating seismic gap between columns it makes difference

  • @iotadiary4248
    @iotadiary42484 жыл бұрын

    Great job sir, would you please mention reference for allowable displacement limit... its my first to see check for displacemnt.

  • @civilmdc

    @civilmdc

    4 жыл бұрын

    Thanks Dear, reference is UBC 97, that is shown in the video with page number, Please if you still have any query , please feel free to contact.

  • @iotadiary4248

    @iotadiary4248

    4 жыл бұрын

    @@civilmdc thank you for your response. i think these deflection values are for flaxural member subjected to gravity loads. while deformation/displacement of frame structure is due to application of lateral loads.

  • @S.A.R.Y.
    @S.A.R.Y.7 ай бұрын

    how to see global dispacement of building at top level?

  • @civilmdc

    @civilmdc

    7 ай бұрын

    See the displacements in ... Show deformations... Please see the next videos... Here is the full course link on CSI ETABS kzread.info/head/PL0h14oMuZXQ5PXbux0l80ox-8gPwcBl5c

  • @Telugammaisravanthi
    @Telugammaisravanthi3 жыл бұрын

    Sir I unknowingly changed some of the setting in etabs ... Now I need to change to original default settings can u please explain me how to do that

  • @civilmdc

    @civilmdc

    3 жыл бұрын

    In the Menu bar ... Go to options... Then reset toolbars.... With this your issue will be resolved

  • @Telugammaisravanthi

    @Telugammaisravanthi

    3 жыл бұрын

    Thank you sir

  • @wazir252
    @wazir252 Жыл бұрын

    At 5:02 for time period go to load cases of auto siesmic ubc97 in the tables after analysis you will get it according to UBC97.

  • @wazir252

    @wazir252

    Жыл бұрын

    By the way you are doing great

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    ​@@wazir252 Sir, if you have the excel files, can you send them to me?

  • @Hayalbaz1326
    @Hayalbaz13263 жыл бұрын

    Hello, I have a mistake and can't see it so far. It took many hours. The story drifts table shows story1>stor2>story3.... ıt is opposite totally. help please

  • @civilmdc

    @civilmdc

    3 жыл бұрын

    If you are facing issue... in excel... you can ... read directly from ETABS results ... 2ndly ..... if you have more than 10 stories... than at bottom you may see like..... story1>stor2>story3 But for story 6 or 7 ... and above you will see lesser values.... and third for better understanding.... plot all drifts story drifts in excel with values... you will get better understanding

  • @Hayalbaz1326

    @Hayalbaz1326

    3 жыл бұрын

    @@civilmdc I have the same problem in excel and etabs. I have 7 stories. the biggest one is story 1 the smallest one is story 7 something wrong. I analyzed in excel also. I follow your videos and teachers' videos. the same, unfortunately. by the way I didn't expect to be answered so fast . thank you

  • @silossaid7040
    @silossaid70403 жыл бұрын

    Sir plz review story ratio is calculating if T is greater than 0.7 than ratio will be O.7 × R/ 0.020. = ratio If less than 0.7×R/0.025 = ratio But you multiplied it. Plz explain

  • @silossaid7040
    @silossaid70403 жыл бұрын

    Dear please cheek your ratio, Ratio = story drift ÷ story hight. Any how it is misguided for new learners. Plz review it.

  • @Engr_Zeeshan
    @Engr_Zeeshan Жыл бұрын

    sir, excel sheet not opening after download

  • @civilmdc

    @civilmdc

    Жыл бұрын

    It is working fine... You can open in Google sheets

  • @Engr_Zeeshan

    @Engr_Zeeshan

    Жыл бұрын

    @civilmdc thank you sir for the quick response Kindly upload a lecture on wind analysis using asce 7-16 code instead of ubc 97 code in the load pattern

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    ​@@Engr_ZeeshanSir, if you have the excel files, can you send them to me?

  • @engrgep
    @engrgep4 жыл бұрын

    I get confused in the drift ratio. In 2:21 the joint drift ratio in story 11 eq+x is 0.002906 but in your calculation in same story 9:05 it is 0.002796 why? What is the difference bet the two? Considering drift ratio is the displacement bet floor level/floor ht.

  • @engrgep

    @engrgep

    4 жыл бұрын

    ?

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    ​@@engrgepSir, if you have the excel files, can you send them to me?

  • @gjmichaelson3739
    @gjmichaelson37395 жыл бұрын

    Thanks, bro! but you didn't fix the issue with your other videos...Anyways...

  • @civilmdc

    @civilmdc

    5 жыл бұрын

    You're welcome... Dear, I will upload and share the link with you soon

  • @user-hu4tg9wy3w

    @user-hu4tg9wy3w

    10 ай бұрын

    ​@@civilmdcSir, if you have the excel files, can you send them to me?

  • @quarkquark7882
    @quarkquark7882Ай бұрын

    Like banana...banana...pisang...horreee

  • @saidfathy9570
    @saidfathy95703 жыл бұрын

    time period 1.663 it's too much bigger than allowed

  • @MohammadShahid-xn3jd
    @MohammadShahid-xn3jd3 жыл бұрын

    Hindi me bolo bhai

  • @civilmdc

    @civilmdc

    3 жыл бұрын

    Noted with thanks

  • @user-hu4tg9wy3w
    @user-hu4tg9wy3w10 ай бұрын

    When I click on the link for the download process, I do not find the Excel file. Please update the links