{"id":533,"date":"2019-02-11T07:40:26","date_gmt":"2019-02-11T07:40:26","guid":{"rendered":"http:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/?p=533"},"modified":"2019-02-11T07:40:26","modified_gmt":"2019-02-11T07:40:26","slug":"geometria-de-les-estructures-de-barres","status":"publish","type":"post","link":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/2019\/02\/11\/geometria-de-les-estructures-de-barres\/","title":{"rendered":"GEOMETRIA DE LES ESTRUCTURES DE BARRES"},"content":{"rendered":"\n<ol><li>Unim les peces amb claus i femelles, construint un pol\u00edgon de 4 costats.<\/li><li>Li donem resist\u00e8ncia posant una barra en diagonal de manera que no es pugui moure. <\/li><li>Construcci\u00f3 pol\u00edgon 5 costats.<\/li><li>Afegim una barra per intentar donar-li resist\u00e8ncia.<\/li><li>Aconseguim donar-li resist\u00e8ncia formant tres triangles amb d\u2019una nova pe\u00e7a met\u00e0l\u00b7lica.<\/li><\/ol>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh4.googleusercontent.com\/UMhxi1jf97Kzwt4jL_OiWswbDp4LSQu0tyfXHL1PNjacPeTj_QZGSv4Ehu7QawTwFfsESRb-6IRc_WAYiBxbpM1v2YZssG4pXNzqVsCPhjqi8-j_p9ZK5kEPcBCAO2TTpmQ5SrN_\" alt=\"\" width=\"276\" height=\"207\" \/><\/figure><\/div>\n\n\n\n<p>Tenim 4 peces met\u00e0l\u00b7liques perforades, 4 cargols i 4 femelles. Per unir-les hem posat un cargol en el primer forat d\u2019una pe\u00e7a i l\u2019\u00faltim d\u2019una segona pe\u00e7a, i aix\u00ed fins a acabar tenint les quatre peces unides formant un pol\u00edgon de quatre costats, formant un quadrat. Aquest pol\u00edgon t\u00e9 moviment, ja que es pot deformar formant un rombe. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh5.googleusercontent.com\/-YIuZ9S0xslqv9X_l2JrgZjlPPQ_CinnzaxC1Bs7TqmpgC_vGLGgBJqRkVVGhYRc7R7fQfiDq0g3wtDXyDu6-XDkUdPiAhNfqHEpsVH9KONpkC8VbU2C9FWZcIfMlY0r9oJHfYjS\" alt=\"\" width=\"283\" height=\"377\" \/><\/figure><\/div>\n\n\n\n<p>Un cop tenim feta l\u2019estructura, l\u2019hem deformat fins a aconseguir un rombe. Amb una pe\u00e7a addicional, li hem donat resist\u00e8ncia. Ho hem fet posant la barra addicional de v\u00e8rtex a v\u00e8rtex. D\u2019aquesta manera hem format dos triangles, i hem fet una estructura fixa amb resist\u00e8ncia, ja que els triangles no tenen grau de llibertat, aix\u00f2 vol dir que no \u00e9s m\u00f2bil.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh4.googleusercontent.com\/OCIAxSSN1Y5ITQO06nL3aAK5fETyUh6jzM15zM8xvhl_5KPjJzsltqXp9MOCA87Mxfh1tMCalAE6vtCovRj4yH1GYh345tPrdfqbtwdEF3L_q-bx7y8EUmi4xwsE_WTipU4u3R0I\" alt=\"\" width=\"316\" height=\"237\" \/><\/figure><\/div>\n\n\n\n<p>Amb un cargol i una femella m\u00e9s, constru\u00efm un pol\u00edgon de 5 costats. Desmuntem la barra que pr\u00e8viament haurem afegit per donar-li resist\u00e8ncia, i l\u2019utilitzem per formar el nou pol\u00edgon. Aquest torna a no ser estable.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh5.googleusercontent.com\/qO-Z5Lsx4UmpVQpUczylLTc6R36Jml28NCR9nZbzcflt1hSCfLh4UziW-xj4Y5ILcat6cX6-F2CpXl9tTGmLkeBwRr753WJhHmW4CCLu-tlzz9Lon4mhoh7B_Zh04N9Bem2cB1du\" alt=\"\" width=\"359\" height=\"269\" \/><\/figure><\/div>\n\n\n\n<p>Afegim una nova barra per intentar donar-li resist\u00e8ncia, cosa que no \u00e9s possible, ja que continua tenint moviment i es continua deformant la part que no est\u00e0 refor\u00e7ada en forma triangle. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/lh6.googleusercontent.com\/AMs3f46RU8rT4bcyNd25wyZ_LxkC9Weuww2J-67q_-E5qQn0rY1UGnrjgD5ezX0XTfQ0icmIaC-nU6ocNUc_TOqbS9kdoOWjKQvPwzdTffVq1WWVeWDtyVXS9mnLe9bAcqNVEf1H\" alt=\"\" width=\"316\" height=\"237\" \/><\/figure><\/div>\n\n\n\n<p>Amb una nova pe\u00e7a met\u00e0l\u00b7lica, li aconseguim donar resist\u00e8ncia formant 3 triangles. Novament es pot apreciar que el triangle \u00e9s la forma m\u00e9s estable per construir estructures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Unim les peces amb claus i femelles, construint un pol\u00edgon de 4 costats. Li donem resist\u00e8ncia posant una barra en diagonal de manera que no es pugui moure&#8230;.<\/p>\n","protected":false},"author":79,"featured_media":534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,1,66],"tags":[86,102,50],"_links":{"self":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/posts\/533"}],"collection":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/users\/79"}],"replies":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/comments?post=533"}],"version-history":[{"count":1,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/posts\/533\/revisions"}],"predecessor-version":[{"id":535,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/posts\/533\/revisions\/535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/media\/534"}],"wp:attachment":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/media?parent=533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/categories?post=533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16laiacantarell\/wp-json\/wp\/v2\/tags?post=533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}