Volume : 6, Issue : 12, December - 2017

ANALYSIS OF HIGHRISE BUILDING WITH DIFFERENT LATERAL LOAD SYSTEMS USING SAP2000

P. Rahamathulla, S. Sudheer

Abstract :

<p>&nbsp;<span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">Efficient</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">lateral</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">systems,</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">decreases</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">lateral</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">deformations</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">caused</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">by</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">seismic forces</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">in</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">buildings. The</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">distribution of the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">mass symmetrically reduces the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">tensional effect in the building. The lateral system should be symmetrically placed in the building to reduce</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">both tensional</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">and</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">seismic</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">forces</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">in</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">structure.</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">The</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">type of soil</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">also</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">has</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">more impact on</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">lateral deformation</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">of the</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">structure</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">subjected to</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">seismic forces.</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">The soft</span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">&nbsp; </span><span style="font-family: &quot;Times New Roman&quot;, serif; font-size: 10pt; text-align: justify;">soils effect is elastic thus reduces the lateral effects compared to Hard rocky soil which is rigid, transfer the seismic effects directly to the structure results in more deflections.</span></p> <p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:11.0pt;&#10;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">In this work, it is proposed to carry out an analytical study, on multistory building of 35&nbsp; stories,&nbsp; was&nbsp; carried&nbsp; out&nbsp; accounting&nbsp; for&nbsp; different&nbsp; seismic&nbsp; zones&nbsp; and&nbsp; soil&nbsp; types.&nbsp; The suitability and efficiency of different lateral acing systems that are commonly used and also that&nbsp; of&nbsp; concrete&nbsp; infills&nbsp; were&nbsp; investigated.&nbsp; The&nbsp; different&nbsp; acing&nbsp; systems&nbsp; viz.,&nbsp; X -ace,&nbsp; V- ace,&nbsp; inverted&nbsp; V&nbsp; or&nbsp; chevron&nbsp; ace&nbsp; and&nbsp; infills&nbsp; are&nbsp; introduced&nbsp; in&nbsp; these&nbsp; analytical&nbsp; models. These building models are analyzed, using SAP 2000 software.<o:p></o:p></span></p>