Hauv av qeeg -}} cov kws ua haujlwm ua haujlwm tau txhim kho cov pob zeb uas twb muaj lawm los ntawm qhwvHlau Yeeb NkabTsho cov tsho kom txhim kho kev sib luag thiab muaj peev xwm. Cov qauv no cuam tshuam nrog phim hollow steel yeeb seem ib ncig ntawm kem nyob ib ncig ntawm kem nyob ib ncig ntawm kem ib ncig, tsim ib tus tswv cuab sib xyaw ua ke uas tuaj yeem tiv taus cov seismic zoo dua. Retrofit tej yaam num hauv California thiab Nyiv tau ua kom pom tau 50-70% nce ntxiv hauv kev ua kom muaj zog tom qab kev ua haujlwm ntxiv.
Nyob rau hauv Tokyo, 12 {{{{{{{} Zaj Dab Neeg Lub Tsev Haujlwm Tshaj tawm - Retrofit CoT-cov kab ntawv xeem tau pom tias cov yeeb nkab sib luag nrog cov av hlau muaj peev xwm nqus av qeeg yam tsis muaj lub zog tsis ua tiav.
Hauv Ltalis - Romagna cheeb tsam, engineers tau siv jearless cov ris tsho rau retrofit cov cuab yeej cuab tam Masonry yees. Cov yeeb nkab steel yog discetly anchored thiab muaj siab- lub zog grout, khaws cov kev ruaj khov ua rau muaj kev ruaj khov nyob rau hauv kev ua yeeb yam yav tom ntej.
North American Choj Sawvdib tseem tab tom tshawb xyuas cov yeeb nkab steel yeeb tau Juse rau Pier txhais ceg. Los ntawm cov piers tsho uas twb muaj lawm welded stick cov tshooj, muaj peev xwm ua tau ceev ceev hauv situ hloov chaw nyob rau lane luv kaw. Welded Steel Yeeb Nkab Tsho nrog cov tshiab diaphragms thiab cov ko taw los tsim cov monolithic comptructure.
Cov Cerismic Codes thoob ntiaj teb tau lees paub cov yeeb nkab hlau ua kom muaj kev sib tw ua tau zoo, tsawg tsawg tus neeg rov qab. Raws li lub tsev npaj cov hnub nyoog thiab cov seismic kev pheej hmoo nce,Hlau Yeeb NkabQhov cuab lub zog muaj tus nqi -}} txoj hauv kev kom txhim kho lub resilience ntawm cov khoom tseem ceeb.