Seismic Demand for Low-Rise Reinforced Concrete Buildings of Islamabad-Rawalpindi Region (Pakistan)

被引:1
|
作者
Ahmad, Sohaib [1 ]
Pilakoutas, Kypros [1 ]
Khan, Qaiser Uz Zaman [2 ]
Mehboob, Saqib [2 ]
机构
[1] Univ Sheffield, Dept Civil & Struct Engn, Sir Frederick Mappin Bldg,Mappin St, Sheffield S1 3JD, S Yorkshire, England
[2] Univ Engn & Technol, Dept Civil Engn, Taxila, Pakistan
关键词
Seismic demand; Pakistan Seismic Code (PSC); Seismic hazard; Spectra; Corner period;
D O I
10.1007/s13369-017-2924-1
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Determination of appropriate seismic demand is important for deriving reliable seismic forces for use in structural design and vulnerability assessment. Demand can be defined by either probabilistic or deterministic approaches depending on the use of the assessment. The use of probabilistic or deterministic approaches depends on the level of the assessment since deterministic can mostly be used for single structures whereas probabilistic for city or country level assessment. This paper presents demand characterization which is based on results of existing seismic hazard studies and local tectonic features around Islamabad-Rawalpindi region (study region) in Pakistan. Existing seismic zoning maps and recent probabilistic seismic hazard studies are reviewed, and the findings are used to quantify and compare the demand for a typical low-rise reinforced concrete building. As another option, deterministic demand is defined through spectra using suitable attenuation relationship which is assessed and validated using the Kashmir earthquake and other similar earthquakes data. Deterministic spectra for study region are generated by considering the critical local tectonic features. Federal Emergency Management Agency (FEMA 356) approach is used for smoothening of deterministic spectra, and the new spectral corner periods are calculated.
引用
收藏
页码:5101 / 5117
页数:17
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