Issue 14

A.

Namdar et alii,

Frattura ed Integ

rità Strutturale,

14 (2010) 75

80; DOI: 10.3221

/IGF-ESIS.14.08

It c dep red stru cau on ear ma a c Th afte cod res Int act des Mo sui goo and abb dat bet Th ear geo cod to sho Th wh F ρ D C d C m To vel pre

an be expla th) could cr uction of th cture, but in sed mistake soil mechan thquake shou pping macro ase-by-case b e structure s r the seismi e for this pa earch projec ernational Ci ivity give bet ign. It should st of structu table code fo d representa developing as can be co a to develop ween soil mi ere is no geo thquake, seis logy and str e, in this reg geological ch uld be emplo ere is a meth 0. F  ere

ined that the eated of mo e bearing ca practical dur in structure s ical propertie ld did not c seismic for ac asis. hall be desig c events. For rticular territ t conducted vil Engineeri ter and upda be noted th res in this r r protecting tion of accel site stress s nsidered in conventiona neralogy and technical ch mic waves w uctures posit ard different aracteristics yee for analy od of calculat 5 d DC U U  ity of fluid eter of pile coefficient ia coefficient standing of s e second is taining that

amplificatio re affect on pacity. Ther ing site geot eismic design s through th ause any sign curate struct ned to withs the damage ory not one by local u ng Society as te knowledg at, for new c egion are un life and mitig erations, vel train guide m high consequ l (empirical) propagate se aracteristic si ith several ch ion, it is imp theories cou of subsoil d sis of liquefa ing wave for 0.25 D  

n of the ear structure s e is strong e echnical anal . It may be e shaking ta ificant dama ure design fo tand without limitation it code for the niversity and well as the g e to civil eng ode compreh prepared fo ation of dam ocities and d ap instant o ence events. attenuation s ismic force a milarity in th aracteristics ortant to ac ld be accepti uring the ea ction force in ces on piles [ 2 m du C dt

thquake mot tability and arthquake co ysis, Poisson suggested th ble for simu ges to buildin r earthquake collapse and is required whole of the local civil overnment a ineering com ensive inform r earthquake age from an isplacements f only produ This territor eismic mode nd its affect o e whole of could be dev curate analys ng for develo rthquake, liq presence of 18],

ion through appearing of de [Iran 28 ratio and mo at obtain of P lation seismi gs and struc resistance, a maintain ac to provide s country, the engineering uthority at m munity and ation on soi s and also th earthquake e for sites to cing of eart y has not ca ls in data coll n the structu the country, eloped and it is of site ge ping seismic uefaction occ seismic forc

soft subsoil differential 00 Code] fo dulus elastic oisson ratio c force may tures in the nd it should ceptable soi tructure and local code m society and inisterial leve lead to enha l dynamic pr ere is impo vent. A new better assessi hquake risk ptured suffic ection it is al re stability. and it could is affected t ological char wave. It is im ur and in th e.

in Bandarab settlement a r seismic res ity have been and modulu be applied o region. There determine fo l foundation geotechnical ay be result it should b l, it is clear th ncement of operties is es rtant to con code has to ng geomorp map. Earthq ient near-fiel so needed to be conclude o the structu acteristics be portant to m is investigat

bas (up to 1 nd consider istant design assumed, th s elasticity ba n structure. is no appro r each projec bearing capa suitable seis of the long t e approved at such resea structure seis sential step. sider develop develop for v hology of reg uakes in Ban d strong mo find correla d that during res based on fore establish ention that ion wave the

2m ably of is is sed The ved t on city mic erm by rch mic ing ery ion dar tion tion an site ing due ory

(4)

= Force = Dens = Diam = Drag = Inert

foundation t e force maxi

better under ocity and th sented for ob   P F 

eismic force acceleration, [19-21].

on structure and also th

he force requ ma p(F) is m

ired to be in ore difficul

vestigated in t to calculat

two parts on e but a form

e is ula

   

F F dF



(5)

0  



wh P(F μ ( Th

ere )

= Force F) = Extre ere is present

maxima me force rat ed wave spec

e density trum, in term   4 u f  

s of velocity  2 2 2 cosh k f sinh

, acceleration      2 d z d S k  

and force fo

r analysis of

wave charact

eristics [22].

  f

Spectrum S

(6)

Velocity

78