Intermediate reinforced concrete moment frames with permitted height increase. The 2000 ibc handbook, structural provisions my latest copy of same has an example where the 1st story height is 17. Combining nominal loads using allowable stress design. Estimation of the maximum allowable drift at the top of a shear wall within elastic limits m. The allowable drift of other structures with risk category i and ii is approximately 10 times the allowable drift under wind forces. The author strongly suggests to have you a full copy of asce7 and ibc 2012 design codes when doing a seismic analysis. Drift limitations in a shear wall considering a cracked. Pdf interstory drift, the relative translational displacement between two.
This 2006 international building code is a ed work owned by the international code coun cil, inc. Comparison of the usa, china and japan seismic design. Combining nominal loads using allowable stress design 6. Pdf a critical assessment of interstory drift measurements.
The international building code, in this 2006 edition, is designed. When the msjc code is used in conjunction with a building code that does not contain allowable story drifts, the provisions of asce 7 are used. Comparison of the usa, china and japan seismic design procedures guangren yu 1, m. Seismic considerations for steel storage racks located in. Estimation of the maximum allowable drift at the top of a. Shelving, racks and wainscoting in such areas shall be of. I want to check my results against the ubc or ibc codes i got story displacements from sap2000. The final story drift when considering the pdelta effect is calculated as follows. Asce 716 provisions for lateral drift determination.
The allowable drift limits placed by asce 7 16, as shown in table 1, are functions. Minimum design loads for buildings and other structures. I found two equations in ubc 1997 but they were for story drift. What is the allowable displacement of the building based on. The allowable story drift should be greater than or equal to the design story drifts for each floor level. Khouri department of civil engineering, lebanese university, lebanon abstract there is a considerable uncertainty regarding the evaluation of the maximum allowable story drift as well as the maximum allowable lateral drift at the top of a building. Risk category iii and iv structures have more stringent drift limits to ensure better performance of the structure and serviceability after a seismic event.
Story drift limitations are not applicable to storage rack structures with the. Drift limitations in a shear wall considering a cracked section. The allowable drift limits placed by asce 716, as shown in table 1, are functions. Allowable story drift structuralintl bldg and residl. The story drift is calculated as the relative elastic displacement of a story to the story below, as shown in figure 1. Allowable story drift joshplumse structural 19 sep 08 11. Intermediate steel moment frames with unlimited height 3f. Structure magazine asce 716 provisions for lateral. Minimum design loads for buildings and other structures water. Allowable story drift aisc steel construction code.286 435 1159 308 603 171 313 1233 385 894 704 421 1399 239 481 1019 516 1205 105 1115 1532 262 594 811 765 393 1266 642 502 33 1293 70 508 138 1006 876