{"id":6448,"date":"2026-10-19T09:48:55","date_gmt":"2026-10-19T09:48:55","guid":{"rendered":"https:\/\/phd.hi.is\/doktorsvorn\/doktorsvorn-i-byggingarverkfraedi-abdul-matin-jami\/"},"modified":"2026-10-19T09:48:55","modified_gmt":"2026-10-19T09:48:55","slug":"doktorsvorn-i-byggingarverkfraedi-abdul-matin-jami","status":"publish","type":"phd_defence","link":"https:\/\/phd.hi.is\/en\/doktorsvorn\/doktorsvorn-i-byggingarverkfraedi-abdul-matin-jami\/","title":{"rendered":"Doktorsv\u00f6rn \u00ed byggingarverkfr\u00e6\u00f0i – Abdul Matin Jami"},"content":{"rendered":"
\n
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Doktorsv\u00f6rninni ver\u00f0ur streymt \u00e1 Zoom<\/a><\/h3>\n

Doktorsefni:
<\/strong>Abdul Matin Jami<\/p>\n

Heiti ritger\u00f0ar:
<\/strong>Fj\u00f6lh\u00e6ttugreining \u00e1 l\u00f6ngum br\u00fam, sam\u00fe\u00e6tting \u00e1raunar fr\u00e1 jar\u00f0skj\u00e1lftum og vindum<\/p>\n

Andm\u00e6lendur<\/strong>:
Dr. Tatjana Isakovic, pr\u00f3fessor vi\u00f0 H\u00e1sk\u00f3lann \u00ed Ljubljana, Sl\u00f3ven\u00edu
Dr. Christian M\u00e1laga-Chuquitaype, d\u00f3sent vi\u00f0 Imperial College London, Bretlandi<\/p>\n

Lei\u00f0beinandi:
<\/strong>Dr. Rajesh Rupakhety, pr\u00f3fessor vi\u00f0 Umhverfis- og byggingarverkfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands<\/p>\n

Einnig \u00ed doktorsnefnd:
<\/strong>Dr. Bjarni Bessason, pr\u00f3fessor vi\u00f0 Umhverfis- og byggingarverkfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands
Dr. J\u00f3nas \u00de\u00f3r Sn\u00e6bj\u00f6rnsson, pr\u00f3fessor vi\u00f0 verkfr\u00e6\u00f0ideild H\u00e1sk\u00f3lans \u00ed Reykjav\u00edk<\/p>\n

Doktorsv\u00f6rn st\u00fdrir:
<\/strong>Dr. Hrund \u00d3l\u00f6f Andrad\u00f3ttir, pr\u00f3fessor og deildarforseti Umhverfis- og byggingaverkfr\u00e6\u00f0ideildar H\u00cd<\/p>\n

\u00c1grip:
<\/strong>\u00deetta doktorsverkefni fjallar um fj\u00f6lh\u00e6ttugreiningu \u00e1 l\u00f6ngum br\u00fam og \u00fer\u00f3un n\u00fdrra lausna til a\u00f0 b\u00e6ta skilvirkni sveifludeyfandi b\u00fana\u00f0ar \u00ed bur\u00f0arvirkjum. S\u00e9rstaklega er liti\u00f0 til m\u00f3tv\u00e6gisa\u00f0ger\u00f0a gegn jar\u00f0skj\u00e1lfta\u00e1raun me\u00f0 notkun hlutlausra dempara (passive devices), svo sem s\u00e9rsni\u00f0inna massadempara (Tuned Mass Dampers) og bl\u00fdg\u00famm\u00edlega (Lead Rubber Bearings). Ranns\u00f3knin mi\u00f0ar a\u00f0 \u00fev\u00ed a\u00f0 kanna sv\u00f6run br\u00faa b\u00e6\u00f0i me\u00f0 og \u00e1n sl\u00edks b\u00fana\u00f0ar. \u00c1hersla er \u00e1 hengibr\u00fdr og sk\u00e1stagsbr\u00fdr sem ver\u00f0a fyrir n\u00e6rsvi\u00f0s\u00e1hrifum jar\u00f0skj\u00e1lfta og miklu vind\u00e1lagi. Meginmarkmi\u00f0 er a\u00f0 meta l\u00edkindafr\u00e6\u00f0ilega sv\u00f6run mannvirkjanna vi\u00f0 mismunandi h\u00f6nnunarmark\u00e1stand (limit states) og a\u00f0 \u00fer\u00f3a skemmdaf\u00f6ll (fragility functions) fyrir \u00feessar br\u00faarger\u00f0ir sem taka mi\u00f0 af b\u00e6\u00f0i \u00e1hrifum fr\u00e1 jar\u00f0skj\u00e1lftum og stormum. \u00cd verkefninu er hagkv\u00e6mni og skilvirkni af notkun sveifludeyfandi b\u00fana\u00f0ar \u00ed l\u00f6ngum br\u00fam metin. Ranns\u00f3knamarkmi\u00f0in tengjast nokkrum lykileinkennum \u00feessara br\u00faarger\u00f0a. Vegna mikillar lengdar og sveigjanleika eru hengibr\u00fdr og sk\u00e1stagabr\u00fdr s\u00e9rstaklega vi\u00f0kv\u00e6mar fyrir n\u00e6rsprungu\u00e1hrifum sem einkennast af yfirbor\u00f0shreyfingum sem innihalda l\u00e1gt\u00ed\u00f0ni p\u00falsa. Ranns\u00f3knin leitast vi\u00f0 a\u00f0 kanna hversu mikil \u00e1hrif umr\u00e6ddar yfirbor\u00f0shreyfingar sker\u00f0a \u00f6ryggi langra br\u00faa og hvort tj\u00f3nn\u00e6mi \u00feeirra vi\u00f0 n\u00e6rsprunguatbur\u00f0 s\u00e9 markt\u00e6kt meiri en vi\u00f0 hef\u00f0bundna jar\u00f0skj\u00e1lftahreyfingar sem ekki innihalda l\u00e1gt\u00ed\u00f0ni hra\u00f0ap\u00falsa. Einnig er meti\u00f0 hversu \u00e1hrifar\u00edk og raunh\u00e6f notkun b\u00fana\u00f0ar, eins og s\u00e9rsni\u00f0inna massadempara, er vi\u00f0 a\u00f0 draga \u00far tj\u00f3nn\u00e6mi. \u00de\u00e1 er fjalla\u00f0 um hvernig sam\u00fe\u00e6tta megi vind- og jar\u00f0skj\u00e1lfta\u00e1hrif vi\u00f0 mat \u00e1 tj\u00f3nn\u00e6mi og hvernig h\u00e6gt er vi\u00f0 h\u00f6nnun a\u00f0 taka tillit til beggja \u00feessara \u00e1lags\u00fe\u00e1tta. Til a\u00f0 rannsaka \u00feessar spurningar voru b\u00fain til n\u00e1kv\u00e6m t\u00f6lvul\u00edk\u00f6n bygg\u00f0 \u00e1 einingaa\u00f0fer\u00f0inni \u00ed SAP2000, MATLAB og OpenSees. Fyrirmyndir l\u00edkananna voru mismunandi br\u00faarger\u00f0ir, me\u00f0al annars steinsteypt br\u00fa me\u00f0 \u00feremur h\u00f6fum, nokkrar ger\u00f0ir af steinsteyptum br\u00fam me\u00f0 fimm h\u00f6fum, 300 metra sk\u00e1stagsbr\u00fa \u00e1 \u00cdslandi (n\u00fd \u00d6lfus\u00e1rbr\u00fa) og 1500 metra hengibr\u00fa \u00ed K\u00edna (yfir Runyang). Vind\u00e1raun \u00e1 \u00feessi mannvirki var hermu\u00f0 \u00fatfr\u00e1 st\u00f3kast\u00edskum ferlum sem byggja \u00e1 almennt vi\u00f0urkenndum fr\u00e6\u00f0ilegum vindr\u00f3fum, en jar\u00f0skj\u00e1lfta\u00e1raunin kom fr\u00e1 m\u00e6ldri yfirbor\u00f0shreyfingu \u00ed raunverulegum jar\u00f0skj\u00e1lftum. N\u00fd hermunara\u00f0fer\u00f0 var einnig \u00fer\u00f3u\u00f0 til a\u00f0 b\u00faa til yfir 55,000 mismunandi yfirbor\u00f0shreyfingar me\u00f0 l\u00e1gt\u00ed\u00f0ni p\u00fals sem einkennir n\u00e6rsprungu\u00e1hrif til a\u00f0 meta \u00edtarlega \u00e1hrif sl\u00edkrar\u00e1raunar \u00e1 br\u00faarl\u00edk\u00f6nin. Ni\u00f0urst\u00f6\u00f0urnar s\u00fdna a\u00f0 vel hanna\u00f0ur hlutlaus sveifludeyfandi b\u00fana\u00f0ur \u00e1n allra st\u00fdringa getur verulega dregi\u00f0 \u00far sv\u00f6run br\u00faa undir b\u00e6\u00f0i jar\u00f0skj\u00e1lfta- og vind\u00e1lagi. Tj\u00f3nn\u00e6misgreining sta\u00f0festi a\u00f0 notkun s\u00e9rsni\u00f0inna massadempara til a\u00f0 auka bur\u00f0ar\u00feol mannvirkjanna, og \u00ed sumum tilfellum vi\u00f0 a\u00f0 auka bur\u00f0argetu br\u00faarst\u00f6pla, s\u00e9rstaklega \u00feegar l\u00f3\u00f0r\u00e9tt jar\u00f0skj\u00e1lfta\u00e1lag var teki\u00f0 me\u00f0 \u00ed reikninginn. Ranns\u00f3knin dregur einnig fram mikilv\u00e6gi br\u00faarlega til a\u00f0 auka jar\u00f0skj\u00e1lfta\u00f6ryggi og nau\u00f0syn \u00feess a\u00f0 sl\u00edkur b\u00fana\u00f0ur s\u00e9 \u00e1standssko\u00f0a\u00f0ur me\u00f0 kerfisbundnum h\u00e6tti \u00ed kj\u00f6lfar st\u00f3rra jar\u00f0skj\u00e1lfta til a\u00f0 meta hvort \u00fea\u00f0 \u00feurfi a\u00f0 endurn\u00fdja legurnar. \u00cd lj\u00f3si \u00feess a\u00f0 \u00e1 \u00cdslandi eru margar br\u00fdr og a\u00f0rir mikilv\u00e6gir innvi\u00f0ir sta\u00f0settir n\u00e1l\u00e6gt virkum misgengjum, \u00fe\u00e1 er nau\u00f0synlegt a\u00f0 taka tillit til n\u00e6rsprungu\u00e1hrifa \u00ed jar\u00f0skj\u00e1lftah\u00f6nnun til a\u00f0 auka \u00f6ryggi og l\u00edft\u00edma mikilv\u00e6gra innvi\u00f0a \u00e1 \u00cdslandi.<\/p>\n

Um doktorsefni\u00f0:
<\/strong>Abdul Matin Jami er doktorsnemi \u00ed Umhverfis- og byggingarverkfr\u00e6\u00f0i vi\u00f0 H\u00e1sk\u00f3la \u00cdslands. Hann h\u00f3f doktorsn\u00e1m sitt \u00ed okt\u00f3ber 2019 undir lei\u00f0s\u00f6gn pr\u00f3fessors Rajesh Rupakhety. \u00cd doktorsnefndinni sitja jafnframt pr\u00f3fessorarnir Bjarni Bessason og J\u00f3nas \u00de\u00f3r Sn\u00e6bj\u00f6rnsson. Ranns\u00f3kn hans beinist a\u00f0 fj\u00f6lh\u00e6ttumati \u00e1 l\u00f6ngum br\u00fam, me\u00f0 \u00e1herslu \u00e1 samverkandi \u00e1hrif n\u00e6rsprungujar\u00f0skj\u00e1lfta og sterks vinds, auk \u00feess a\u00f0 rannsaka \u00e1hrif notkunar \u00e1 sveifludeyfandi b\u00fana\u00f0i til a\u00f0 b\u00e6ta bur\u00f0argetu og \u00f6ryggi sl\u00edkra mannvirkja. \u00c1\u00f0ur en hann h\u00f3f doktorsn\u00e1m lauk Matin meistaragr\u00e1\u00f0u \u00ed mannvirkjaverkfr\u00e6\u00f0i fr\u00e1 Indian Institute of Technology (IIT) \u00ed Delhi og BS-gr\u00e1\u00f0u \u00ed byggingarverkfr\u00e6\u00f0i fr\u00e1 Herat-h\u00e1sk\u00f3la \u00ed Afganistan. Hann hefur margra \u00e1ra starfsreynslu sem byggingarverkfr\u00e6\u00f0ingur, \u00fear sem hann starfa\u00f0i me\u00f0al annars vi\u00f0 h\u00f6nnun og verkefnastj\u00f3rnun fyrir \u00fdmis innvi\u00f0averkefni. \u00deessi faglega reynsla hefur styrkt ranns\u00f3knarvinnu hans sem hefur skila\u00f0 hagn\u00fdtum ranns\u00f3knaafur\u00f0um. \u00c1ri\u00f0 2023 flutti Matin til Bandar\u00edkjanna og hefur s\u00ed\u00f0an haldi\u00f0 \u00e1fram doktorsn\u00e1mi s\u00ednu \u00ed fjarn\u00e1mi \u00e1 me\u00f0an hann sinnir virkum tengslum vi\u00f0 fr\u00e6\u00f0asamf\u00e9lagi\u00f0 og verkfr\u00e6\u00f0igeirann. Hann er kv\u00e6ntur Raziu Jami, sem hefur bakgrunn \u00ed verkfr\u00e6\u00f0i og h\u00f6nnun, og saman eiga \u00feau soninn Zayd. Ferill Matins einkennist af \u00fev\u00ed a\u00f0 hann n\u00e1lgast vi\u00f0fangsefni\u00f0 \u00fat fr\u00e1 fr\u00e6\u00f0ilegum \u00e1herslum og s\u00fdnir seiglu og samviskusemi sem stu\u00f0lar a\u00f0 framgangi \u00feekkingar \u00ed verkfr\u00e6\u00f0i og akadem\u00edskum ranns\u00f3knum.<\/p>\n<\/div><\/div>","protected":false},"featured_media":5837,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_phd_date_start":"2025-06-27T13:00:00+00:00","_phd_date_end":"2025-06-27T15:00:00+00:00","_phd_location":"https:\/\/eu01web.zoom.us\/j\/65279823283","_phd_admission":"A\u00f0gangur \u00f3keypis","_phd_thesis_title":"Fj\u00f6lh\u00e6ttugreining \u00e1 l\u00f6ngum br\u00fam, sam\u00fe\u00e6tting \u00e1raunar fr\u00e1 jar\u00f0skj\u00e1lftum og vindum","_phd_source_url":"https:\/\/gamli.hi.is\/vidburdir\/doktorsvorn_i_byggingarverkfraedi_abdul_matin_jami","_phd_source_node_id":"441689","_phd_source_type":"vidburdir","_phd_member_id":989,"footnotes":""},"phd_school":[98,93],"phd_discipline":[100],"class_list":["post-6448","phd_defence","type-phd_defence","status-publish","has-post-thumbnail","hentry","phd_school-umhverfis-og-byggingarverkfraedideild","phd_school-verkfraedi-og-natturuvisindasvid","phd_discipline-phd-i-byggingarverkfraedi"],"_links":{"self":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence"}],"about":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/types\/phd_defence"}],"version-history":[{"count":0,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_defence\/6448\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media\/5837"}],"wp:attachment":[{"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/media?parent=6448"}],"wp:term":[{"taxonomy":"phd_school","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_school?post=6448"},{"taxonomy":"phd_discipline","embeddable":true,"href":"https:\/\/phd.hi.is\/en\/wp-json\/wp\/v2\/phd_discipline?post=6448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}