{"id":5165,"date":"2026-05-13T14:15:22","date_gmt":"2026-05-13T17:15:22","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=5165"},"modified":"2026-05-13T14:15:26","modified_gmt":"2026-05-13T17:15:26","slug":"por-que-a-torre-de-pisa-e-outras-construcoes-pelo-mundo-inclinam-mas-nao-caem","status":"publish","type":"post","link":"https:\/\/portalam9.com.br\/?p=5165","title":{"rendered":"Por que a Torre de Pisa \u2014 e outras constru\u00e7\u00f5es pelo mundo \u2014 inclinam mas n\u00e3o caem?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Tempo de leitura: 5 minutos<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cA torre come\u00e7ou a se inclinar desde o in\u00edcio de sua constru\u00e7\u00e3o devido \u00e0 extrema maciez do solo. [Ela afundou] entre tr\u00eas e quatro metros\u201d, disse professor de mec\u00e2nica do solo \u00e0 BBC.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">A Torre Inclinada de Pisa \u00e9 um dos marcos mais emblem\u00e1ticos da It\u00e1lia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mas n\u00e3o \u00e9 a \u00fanica estrutura inclinada para um lado \u2014 das casas dan\u00e7antes na Holanda \u00e0 Pagoda da Colina do Tigre, na China, existem pontos tur\u00edsticos inst\u00e1veis em todo o mundo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mas por que eles se inclinam? E por que isso n\u00e3o significa necessariamente que eles v\u00e3o cair?<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que alguns pr\u00e9dios se inclinam?<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/s2-g1.glbimg.com\/xUhELNDgbElqZVKexCO7oHVSUds=\/0x0:800x449\/984x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2026\/y\/H\/Wr885RRuG1TSCdrBnAdg\/pisa.webp\" alt=\"Turistas fazem a festa com Torre de Pisa \u2014 Foto: SOL DE ZUASNABAR BREBBIA VIA GETTY IMAGES\"\/><figcaption class=\"wp-element-caption\">Turistas fazem a festa com Torre de Pisa \u2014 Foto: SOL DE ZUASNABAR BREBBIA VIA GETTY IMAGES<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Existem v\u00e1rias raz\u00f5es pelas quais as estruturas se inclinam para um lado, de acordo com Mandy Korff, professora de pr\u00e1tica geot\u00e9cnica na Universidade de Tecnologia de Delft e Deltares, na Holanda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em alguns casos, como nas ic\u00f4nicas casas dan\u00e7antes da Holanda, isso se deve ao tipo de funda\u00e7\u00e3o usada.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cNo centro da cidade de Amsterd\u00e3, a maioria das casas \u00e9 constru\u00edda com estacas de madeira\u201d, diz Korff.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Ela explica que as estacas s\u00e3o instaladas em pares sob as paredes e fachadas dos edif\u00edcios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eles se estendem por 12 metros no solo, que \u00e9 composto por argila macia, turfa ou areia.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cSe estiverem assim e as estacas permanecerem em boas condi\u00e7\u00f5es, nada acontece com as casas\u201d, diz ela.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Mas, segundo ela, se come\u00e7arem a se degradar ou apodrecer, podem surgir rachaduras \u2014 e a deteriora\u00e7\u00e3o irregular ou a distribui\u00e7\u00e3o desigual de peso pode fazer com que os edif\u00edcios se inclinem ao longo do tempo.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/s2-g1.glbimg.com\/CO5jufmCSRgCDxJYdj_6IyDKq9c=\/0x0:800x450\/984x0\/smart\/filters:strip_icc()\/i.s3.glbimg.com\/v1\/AUTH_59edd422c0c84a879bd37670ae4f538a\/internal_photos\/bs\/2026\/s\/F\/oNYp6cTuevEBhC7R9Sww\/543fc090-49f7-11f1-a9e7-0f8f590f205b.jpg.webp\" alt=\"Casas inclinadas na Holanda \u2014 Foto: KARL HENDON VIA GETTY IMAGES\"\/><figcaption class=\"wp-element-caption\">Casas inclinadas na Holanda \u2014 Foto: KARL HENDON VIA GETTY IMAGES<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">O caso de Pisa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>As condi\u00e7\u00f5es do solo tamb\u00e9m podem fazer com que edif\u00edcios se inclinem para um lado \u2014 como \u00e9 o caso da ic\u00f4nica torre de Pisa.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nunziante Squeglia, professor de mec\u00e2nica do solo e funda\u00e7\u00f5es na Universidade de Pisa, faz parte de uma equipe que monitora a inclina\u00e7\u00e3o da torre.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cA torre come\u00e7ou a se inclinar desde o in\u00edcio de sua constru\u00e7\u00e3o devido \u00e0 extrema maciez do solo. [Ela afundou] entre tr\u00eas e quatro metros\u201d, disse Sgueglia \u00e0 BBC.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Os edif\u00edcios tamb\u00e9m podem se inclinar devido \u00e0s mudan\u00e7as feitas pelo homem no solo \u2014 por exemplo, a torre da Oude Kerk (Igreja Velha), em Delft, na Holanda.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;\u00c9 muito menos conhecida [mas] se inclina de forma semelhante \u00e0 Torre de Pisa&#8221;, diz Korff.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cEst\u00e1 inclinado em dire\u00e7\u00e3o ao canal porque o solo de um lado foi escavado para o canal e \u00e9 mais macio de um lado. Ent\u00e3o, [h\u00e1] menos press\u00e3o para mant\u00ea-la na posi\u00e7\u00e3o vertical e, quando eles a constru\u00edram, ela come\u00e7ou a se inclinar.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mudan\u00e7as nas \u00e1guas subterr\u00e2neas tamb\u00e9m podem fazer com que um pr\u00e9dio se incline. E \u00e0s vezes, diz Korff, os edif\u00edcios s\u00e3o projetados para serem inclinados.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cMuitas casas em Amsterd\u00e3 s\u00e3o constru\u00eddas inclinadas para frente porque era assim que as casas comerciais eram constru\u00eddas no passado\u201d, disse ela.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c<em>Elas eram constru\u00eddas frequentemente ao longo dos canais para armazenamento e, para facilitar o transporte para dentro da casa. Ent\u00e3o, se elas se inclinam para frente, n\u00e3o significa que haja um problema. Mas quando elas se inclinam para o lado, voc\u00ea sabe com certeza que essa n\u00e3o era a inten\u00e7\u00e3o<\/em>.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Corrigindo a inclina\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ent\u00e3o, com todas essas estruturas inclinadas, por que n\u00e3o estamos mais preocupados?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Um pr\u00e9dio inclinado n\u00e3o significa necessariamente que n\u00e3o seja estruturalmente s\u00f3lido, de acordo com Korff.<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;Ele precisa se inclinar bastante para se tornar estruturalmente inst\u00e1vel&#8221;, diz.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Mas, \u00e0s vezes, as inclina\u00e7\u00f5es precisam ser corrigidas \u2014 como foi o caso da Torre Inclinada de Pisa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embora a torre tenha come\u00e7ado a se inclinar muito cedo, as medi\u00e7\u00f5es mostraram que ela piorou no s\u00e9culo 20, com a inclina\u00e7\u00e3o da torre aumentando constantemente.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cA situa\u00e7\u00e3o era muito preocupante\u201d, diz Squeglia.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">E ent\u00e3o, em 1989, a Torre C\u00edvica na cidade italiana de Pavia desabou. De acordo com Squeglia, esse foi o \u201cgatilho\u201d para a torre de Pisa fechar no ano seguinte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Havia muitas ideias de como endireitar levemente a Torre Inclinada de Pisa para torn\u00e1-la segura novamente.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cA t\u00e9cnica escolhida foi a extra\u00e7\u00e3o do solo\u201d, diz Squeglia.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c<em>Sem tocar na torre, 37 metros c\u00fabicos de solo foram extra\u00eddos do lado norte da funda\u00e7\u00e3o<\/em>.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A torre reabriu 11 anos depois.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Um caso \u201cespecial\u201d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mas esse m\u00e9todo de endireitar um pr\u00e9dio n\u00e3o \u00e9 comum, de acordo com Korff.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cIsso \u00e9 muito especial para Pisa \u2014 voc\u00ea n\u00e3o faria isso em condi\u00e7\u00f5es normais\u201d, diz ela.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Se um pr\u00e9dio inclinado tem estacas de madeira como as casas em Amsterd\u00e3, substituir as funda\u00e7\u00f5es pode impedir que a inclina\u00e7\u00e3o piore \u2014 mas \u00e9 \u201c<em>invasivo<\/em>\u201d e envolve a remo\u00e7\u00e3o do piso t\u00e9rreo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m \u00e9 poss\u00edvel corrigir a inclina\u00e7\u00e3o levantando uma casa da mesma forma que se levanta um carro, disse Korff \u2014 mas, \u00e0s vezes, isso pode causar mais danos do que benef\u00edcios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Se estiver muito inclinada, tamb\u00e9m \u00e9 bastante perigoso coloc\u00e1-la reta, porque a casa tamb\u00e9m se adaptou ao fato de estar inclinada&#8221;, disse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>&#8220;\u00c9 preciso ter muito cuidado para, pelo menos, n\u00e3o piorar a situa\u00e7\u00e3o.&#8221;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embora alguns edif\u00edcios possam ser estabilizados, tamb\u00e9m existem desvantagens.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cEles podem fazer todo tipo de coisa com edif\u00edcios \u2014 tudo \u00e9 poss\u00edvel\u201d, disse Korff.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c<em>Mas custa muito dinheiro [e] \u00e9 complicado<\/em>.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O impacto das mudan\u00e7as clim\u00e1ticas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A pesquisa de Korff descobriu que existem cerca de 75 mil casas somente na Holanda que s\u00e3o constru\u00eddas sobre estacas de madeira e correm risco de danos, com quase tr\u00eas vezes mais em risco devido a funda\u00e7\u00f5es rasas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E esses problemas podem estar prestes a piorar.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cCom as mudan\u00e7as clim\u00e1ticas e as mudan\u00e7as nas \u00e1guas subterr\u00e2neas, \u00e0s vezes vemos algumas mudan\u00e7as mais r\u00e1pidas\u201d, diz Korff.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Se o n\u00edvel da \u00e1gua subterr\u00e2nea cair, as estacas de madeira ficam expostas ao ar, o que pode acelerar os danos. Mudan\u00e7as na \u00e1gua subterr\u00e2nea tamb\u00e9m podem afetar as camadas do solo, o que tem um efeito indireto nas casas com diferentes tipos de funda\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mas ela acrescentou que foi um processo lento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E quanto \u00e0 Torre Inclinada de Pisa, sua inclina\u00e7\u00e3o foi reduzida em mais de 40 cm ap\u00f3s 11 anos de trabalho, que foi conclu\u00eddo em 2001. Os engenheiros acreditam que seu futuro est\u00e1 garantido pelo menos nos pr\u00f3ximos 200 anos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Foto: PHOTOFIRES VIA GETTY IMAGES<\/em> <strong>\/ <\/strong><em>Fonte: g1<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tempo de leitura: 5 minutos \u201cA torre come\u00e7ou a se inclinar desde o in\u00edcio de<\/p>\n","protected":false},"author":3,"featured_media":5166,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[39],"class_list":["post-5165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades-2","tag-destaque"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Por que a Torre de Pisa \u2014 e outras constru\u00e7\u00f5es pelo mundo \u2014 inclinam mas n\u00e3o caem? - Portal Amazonas 9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/portalam9.com.br\/?p=5165\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Por que a Torre de Pisa \u2014 e outras constru\u00e7\u00f5es pelo mundo \u2014 inclinam mas n\u00e3o caem? 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