{"id":394,"date":"2026-10-03T19:05:36","date_gmt":"2026-10-03T18:05:36","guid":{"rendered":"https:\/\/wpcalc.com\/pt\/calculadora-de-brita\/"},"modified":"2026-10-03T19:05:36","modified_gmt":"2026-10-03T18:05:36","slug":"calculadora-de-brita","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/pt\/vida\/calculadora-de-brita\/","title":{"rendered":"Calculadora de Brita"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">De quanto cascalho preciso?<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"394\" data-favorite-title=\"Brita\" data-favorite-url=\"https:\/\/wpcalc.com\/pt\/vida\/calculadora-de-brita\/\" data-favorite-excerpt=\"Calcule a quantidade de brita de que precisa para um caminho, um arruamento ou uma \u00e1rea de paisagismo. Introduza as dimens\u00f5es, a espessura da camada e a densidade aparente para obter o volume, o peso em kg ou toneladas e o n\u00famero de sacos a comprar.\" aria-label=\"Adicionar aos favoritos\" data-favorite-icon=\"icon icon-eco-home\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/pt\/vida\/calculadora-de-brita\/\" method=\"POST\" class=\"calculator\" id=\"calculator-394\" data-post=\"394\"><fieldset class=\"fieldset-input is-2\"><legend class=\"sr-only\">Campos de entrada<\/legend><div class=\"field has-term\" id=\"input-1\"><label for=\"field-1\">Comprimento<\/label><div class=\"term\">L<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"comprimento\" id=\"field-1\" step=\"0.01\" value=\"12\"\/><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"m\" selected>m<\/option><option value=\"ft\">ft<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-3\">Largura<\/label><div class=\"term\">W<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"largura\" id=\"field-3\" step=\"0.01\" value=\"3\"\/><div class=\"grid grid-cols-1\"><select id=\"field-4\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"m\" selected>m<\/option><option value=\"ft\">ft<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-5\">Profundidade do cascalho<\/label><div class=\"term\">d<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"profundidade_do_cascalho\" id=\"field-5\" aria-describedby=\"calc-info-5\" step=\"0.01\" value=\"5\"\/><div class=\"grid grid-cols-1\"><select id=\"field-6\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"cm\" selected>cm<\/option><option value=\"mm\">mm<\/option><option value=\"in\">in<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-5\">5\u201310 cm para um caminho, 10\u201315 cm para uma entrada de carros<\/small><\/div><div class=\"field has-term\" id=\"input-4\"><label for=\"field-7\">Densidade aparente<\/label><div class=\"term\">\u03c1<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"densidade_aparente\" id=\"field-7\" aria-describedby=\"calc-info-7\" step=\"1\" value=\"1680\"\/><div class=\"grid grid-cols-1\"><select id=\"field-8\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"kgm3\" selected>kg\/m\u00b3<\/option><option value=\"lbft3\">lb\/ft\u00b3<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-7\">Cascalho t\u00edpico: 1500\u20131800 kg\/m\u00b3 (95\u2013110 lb\/ft\u00b3)<\/small><\/div><div class=\"field is-checkbox is-single\" id=\"input-5\"><input type=\"checkbox\" id=\"field-9\" value=\"1\" checked=\"checked\"\/><label for=\"field-9\">Comprar cascalho em sacos<\/label><\/div><div class=\"field has-term\" id=\"input-6\" hidden><label for=\"field-10\">Peso por saco<\/label><div class=\"term\">b<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"peso_por_saco\" id=\"field-10\" step=\"0.1\" value=\"25\"\/><div class=\"grid grid-cols-1\"><select id=\"field-11\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"kg\" selected>kg<\/option><option value=\"lb\">lb<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Recalcular\" id=\"calculate-button\" data-post=\"394\">Calcular<\/button><button type=\"reset\">Redefinir<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calcular automaticamente<\/label><small>Se ativado, o resultado \u00e9 atualizado automaticamente quando voc\u00ea altera qualquer valor.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Cascalho necess\u00e1rio<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Volume de cascalho<\/span><span class=\"result-term\">V<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>Peso estimado<\/span><span class=\"result-term\">m<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>Sacos a comprar<\/span><span class=\"result-term\">N<\/span><\/span><span class=\"field-value\" id=\"result-3\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copiar link para este c\u00e1lculo<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Deixar um coment\u00e1rio<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"394\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">O que voc\u00ea achou deste resultado?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Curti <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">\u00datil <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confuso <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Decepcionado <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Impreciso <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>F\u00f3rmula da Brita<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">F\u00f3rmula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ V = L \\times C \\times d \\\\ m = V \\times \\rho \\\\ N = \\left\\lceil \\frac{m}{b} \\right\\rceil \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Onde:<\/strong><\/p>\n<ul>\n<li>\\(V\\) \u2014 volume de brita (m\u00b3)<\/li>\n<li>\\(L\\) \u2014 comprimento da \u00e1rea (m)<\/li>\n<li>\\(C\\) \u2014 largura da \u00e1rea (m)<\/li>\n<li>\\(d\\) \u2014 espessura da camada de brita (m)<\/li>\n<li>\\(m\\) \u2014 peso estimado da brita (kg)<\/li>\n<li>\\(\\rho\\) \u2014 densidade aparente da brita (kg\/m\u00b3)<\/li>\n<li>\\(b\\) \u2014 peso de um saco (kg)<\/li>\n<li>\\(N\\) \u2014 n\u00famero de sacos a comprar, arredondado por excesso ao saco inteiro<\/li>\n<\/ul>\n<p>A f\u00f3rmula trata a \u00e1rea como um paralelep\u00edpedo retangular: o comprimento vezes a largura vezes a espessura d\u00e1 o volume, a multiplica\u00e7\u00e3o pela densidade aparente converte esse volume em peso, e a divis\u00e3o pelo peso do saco indica quantos sacos comprar.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Brita \u2013 Exemplo de C\u00e1lculo<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Exemplo:<\/strong> um caminho de jardim com 12 m de comprimento e 3 m de largura, coberto com uma camada de brita de 5 cm. A brita tem uma densidade aparente t\u00edpica de 1680 kg\/m\u00b3 e \u00e9 vendida em sacos de 25 kg.<\/p>\n<p>\\[ V = 12 \\times 3 \\times 0{,}05 = 1{,}8 \\text{ m}^3 \\]<\/p>\n<p>\\[ m = 1{,}8 \\times 1680 = 3024 \\text{ kg} \\approx 3{,}02 \\text{ t} \\]<\/p>\n<p>\\[ N = \\left\\lceil \\frac{3024}{25} \\right\\rceil = 121 \\]<\/p>\n<p><strong>Resultado:<\/strong> precisa de 1,8 m\u00b3 de brita, que pesa cerca de 3024 kg (aproximadamente 3 toneladas) \u2014 ou seja, 121 sacos de 25 kg cada.<\/p>\n<p>\n\r\n<\/section>\n<h2>Como utilizar a calculadora<\/h2>\n<ol>\n<li>Introduza o <strong>comprimento<\/strong> da \u00e1rea e escolha a sua unidade (m ou ft).<\/li>\n<li>Introduza a <strong>largura<\/strong> da \u00e1rea e a sua unidade (m ou ft).<\/li>\n<li>Introduza a <strong>espessura da camada de brita<\/strong> e a sua unidade (cm, mm ou in). Como regra pr\u00e1tica: 5\u201310 cm para um caminho, 10\u201315 cm para um arruamento.<\/li>\n<li>Introduza a <strong>densidade aparente<\/strong> da sua brita. A brita comum tem 1500\u20131800 kg\/m\u00b3 (95\u2013110 lb\/ft\u00b3); o valor predefinido de 1680 kg\/m\u00b3 adequa-se \u00e0 maioria das pedras britadas.<\/li>\n<li>Se estiver comprando brita em sacos, mantenha a caixa <strong>Comprar brita em sacos<\/strong> marcada e introduza o <strong>peso por saco<\/strong> (por exemplo, 25 kg). Desmarque a caixa se for encomendar brita a granel, \u00e0 tonelada.<\/li>\n<li>Veja os resultados: <strong>volume de brita<\/strong> em m\u00b3 e ft\u00b3, <strong>peso estimado<\/strong> em kg\/toneladas (ou lb\/toneladas americanas) e <strong>sacos a comprar<\/strong>.<\/li>\n<\/ol>\n<h2>O que significam os resultados<\/h2>\n<p>O <strong>volume<\/strong> indica quanto espa\u00e7o a camada de brita preenche. \u00c9 o valor a usar se a brita for vendida por metro c\u00fabico (ou jarda c\u00fabica) na sua zona. N\u00e3o multiplique nem converta nada \u2014 basta compar\u00e1-lo com o pre\u00e7o por m\u00b3 do fornecedor.<\/p>\n<p>O <strong>peso<\/strong> costuma ser o valor mais \u00fatil, porque a brita \u00e9 frequentemente vendida \u00e0 tonelada ou em sacos. A calculadora converte o volume em peso usando a densidade aparente que introduziu, pelo que a exatid\u00e3o do peso depende diretamente de qu\u00e3o bem essa densidade corresponde \u00e0 sua brita real.<\/p>\n<p>O <strong>n\u00famero de sacos<\/strong> \u00e9 arredondado por excesso \u2014 n\u00e3o se podem comprar dois ter\u00e7os de um saco. Note que os sacos s\u00e3o quase sempre a forma mais cara de comprar brita: para volumes acima de cerca de 0,5 m\u00b3, a entrega a granel ou em big bags normalmente sai muito mais barata por tonelada.<\/p>\n<h2>Densidade aparente das britas comuns<\/h2>\n<p>A densidade aparente descreve o peso de um determinado volume de brita solta e varia com o tipo de pedra e a granulometria. Se souber que tipo de brita vai comprar, substitua o valor predefinido de 1680 kg\/m\u00b3 por um valor mais preciso:<\/p>\n<table>\n<thead>\n<tr>\n<th>Tipo de brita<\/th>\n<th>Densidade aparente (kg\/m\u00b3)<\/th>\n<th>Densidade aparente (lb\/ft\u00b3)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Seixo rolado (arredondado)<\/td>\n<td>1700\u20131800<\/td>\n<td>105\u2013112<\/td>\n<\/tr>\n<tr>\n<td>Pedra britada (granulometria classificada)<\/td>\n<td>1500\u20131700<\/td>\n<td>95\u2013106<\/td>\n<\/tr>\n<tr>\n<td>Calc\u00e1rio britado<\/td>\n<td>1550\u20131700<\/td>\n<td>97\u2013106<\/td>\n<\/tr>\n<tr>\n<td>Pedra de rio (grande)<\/td>\n<td>1450\u20131600<\/td>\n<td>90\u2013100<\/td>\n<\/tr>\n<tr>\n<td>Mistura de brita e areia<\/td>\n<td>1800\u20132000<\/td>\n<td>112\u2013125<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Os valores s\u00e3o intervalos t\u00edpicos; a densidade exata depende do teor de humidade e do grau de compacta\u00e7\u00e3o do material.<\/p>\n<h2>Dicas pr\u00e1ticas e limita\u00e7\u00f5es<\/h2>\n<ul>\n<li><strong>Encomende 5\u201310% a mais.<\/strong> A brita acomoda-se e compacta depois de espalhada, parte perde-se durante a aplica\u00e7\u00e3o, e um terreno irregular exige mais material do que o c\u00e1lculo para uma \u00e1rea plana assume.<\/li>\n<li><strong>Me\u00e7a com realismo.<\/strong> A calculadora assume um ret\u00e2ngulo perfeito de espessura uniforme. Para formas irregulares, divida a \u00e1rea em ret\u00e2ngulos, calcule cada um separadamente e some os resultados.<\/li>\n<li><strong>Mais espessa n\u00e3o \u00e9 sempre melhor.<\/strong> Uma camada mais grossa do que o necess\u00e1rio desperdi\u00e7a dinheiro e pode tornar um arruamento inst\u00e1vel, tanto a p\u00e9 como sob os pneus, porque a brita solta desloca-se.<\/li>\n<li><strong>Considere uma camada de base.<\/strong> Nos arruamentos, a profundidade total de escava\u00e7\u00e3o \u00e9 geralmente maior do que a pr\u00f3pria camada de brita \u2014 uma base compactada de pedra britada fica frequentemente sob a brita decorativa.<\/li>\n<li><strong>A densidade afeta o peso, n\u00e3o a cobertura.<\/strong> Duas britas com densidades diferentes cobrem a mesma \u00e1rea com a mesma espessura, mas uma pesa mais \u2014 e custa mais se vendida ao peso.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Calcule a quantidade de brita de que precisa para um caminho, um arruamento ou uma \u00e1rea de paisagismo. Introduza as dimens\u00f5es, a espessura da camada e a densidade aparente para obter o volume, o peso em kg ou toneladas e o n\u00famero de sacos a comprar.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[46],"class_list":["post-394","post","type-post","status-publish","format-standard","hentry","category-vida","tag-casa"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/comments?post=394"}],"version-history":[{"count":1,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/394\/revisions"}],"predecessor-version":[{"id":2663,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/394\/revisions\/2663"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/media?parent=394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/categories?post=394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/tags?post=394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}