{"id":211,"date":"2026-10-04T09:11:45","date_gmt":"2026-10-04T08:11:45","guid":{"rendered":"https:\/\/wpcalc.com\/pl\/inzynieria\/skladniki-betonu\/"},"modified":"2026-10-04T09:11:45","modified_gmt":"2026-10-04T08:11:45","slug":"skladniki-betonu","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/pl\/inzynieria\/skladniki-betonu\/","title":{"rendered":"Kalkulator sk\u0142adnik\u00f3w mieszanki betonowej"},"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\">Oblicz sk\u0142adniki betonu wed\u0142ug proporcji<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"211\" data-favorite-title=\"Sk\u0142adniki betonu\" data-favorite-url=\"https:\/\/wpcalc.com\/pl\/inzynieria\/skladniki-betonu\/\" data-favorite-excerpt=\"Oblicz, ile cementu, piasku i kruszywa grubego potrzebujesz na p\u0142yt\u0119, belk\u0119 lub okr\u0105g\u0142y s\u0142up. Wprowad\u017a wymiary, wybierz jednostki i ustaw proporcje mieszanki (np. 1:3:3), aby otrzyma\u0107 obj\u0119to\u015b\u0107 ka\u017cdego sk\u0142adnika.\" aria-label=\"Dodaj do ulubionych\" data-favorite-icon=\"icon icon-civil\">\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\/pl\/inzynieria\/skladniki-betonu\/\" method=\"POST\" class=\"calculator\" id=\"calculator-211\" data-post=\"211\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Pola danych<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Jednostki<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"jednostki\"><option value=\"mm\">mm<\/option><option value=\"cm\">cm<\/option><option value=\"dm\">dm<\/option><option value=\"m\">m<\/option><option value=\"km\">km<\/option><option value=\"mi\">mi<\/option><option value=\"in\">in<\/option><option value=\"ft\">ft<\/option><option value=\"yd\">yd<\/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 class=\"field\" id=\"input-2\"><label for=\"field-2\">Rodzaj betonu<\/label><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"rodzaj_betonu\"><option value=\"0\">Prostok\u0105tny (p\u0142yta\/belka)<\/option><option value=\"1\">S\u0142up okr\u0105g\u0142y<\/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 class=\"field is-single has-term\" id=\"input-3\" hidden><label for=\"field-3\">Promie\u0144 (tylko dla ko\u0142a)<\/label><div class=\"term\">r<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"promie_tylko_dla_koa\" id=\"field-3\" aria-describedby=\"calc-unit-3\" step=\"0.01\" value=\"150\"\/><div class=\"unit\" id=\"calc-unit-3\">mm<\/div><\/div><div class=\"field is-single has-term\" id=\"input-4\"><label for=\"field-4\">Wysoko\u015b\u0107<\/label><div class=\"term\">h<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"wysoko\" id=\"field-4\" aria-describedby=\"calc-unit-4\" step=\"0.01\" value=\"3000\"\/><div class=\"unit\" id=\"calc-unit-4\">mm<\/div><\/div><div class=\"field is-single has-term\" id=\"input-5\"><label for=\"field-5\">Grubo\u015b\u0107 (tylko prostok\u0105tny)<\/label><div class=\"term\">b<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"grubo_tylko_prostoktny\" id=\"field-5\" aria-describedby=\"calc-unit-5\" step=\"0.01\" value=\"300\"\/><div class=\"unit\" id=\"calc-unit-5\">mm<\/div><\/div><div class=\"field is-single has-term\" id=\"input-6\"><label for=\"field-6\">Szeroko\u015b\u0107 (tylko prostok\u0105tny)<\/label><div class=\"term\">w<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"szeroko_tylko_prostoktny\" id=\"field-6\" aria-describedby=\"calc-unit-6\" step=\"0.01\" value=\"300\"\/><div class=\"unit\" id=\"calc-unit-6\">mm<\/div><\/div><div class=\"field is-single has-term\" id=\"input-7\"><label for=\"field-7\">Proporcja cementu<\/label><div class=\"term\">M<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"proporcja_cementu\" id=\"field-7\" step=\"0.01\" value=\"1\"\/><\/div><div class=\"field is-single has-term\" id=\"input-8\"><label for=\"field-8\">Proporcja piasku<\/label><div class=\"term\">N<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"proporcja_piasku\" id=\"field-8\" step=\"0.01\" value=\"3\"\/><\/div><div class=\"field is-single has-term\" id=\"input-9\"><label for=\"field-9\">Proporcja kruszywa<\/label><div class=\"term\">O<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"proporcja_kruszywa\" id=\"field-9\" step=\"0.01\" value=\"3\"\/><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Przelicz ponownie\" id=\"calculate-button\" data-post=\"211\">Oblicz<\/button><button type=\"reset\">Wyczy\u015b\u0107<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Obliczaj automatycznie<\/label><small>Po w\u0142\u0105czeniu wynik aktualizuje si\u0119 automatycznie po zmianie dowolnej warto\u015bci.<\/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> Twoje wyniki<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Ilo\u015b\u0107 cementu<\/span><span class=\"result-term\">X<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Kopiuj wynik\" aria-label=\"Kopiuj wynik\"><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>Ilo\u015b\u0107 piasku<\/span><span class=\"result-term\">Y<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Kopiuj wynik\" aria-label=\"Kopiuj wynik\"><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>Ilo\u015b\u0107 kruszywa<\/span><span class=\"result-term\">Z<\/span><\/span><span class=\"field-value\" id=\"result-3\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Kopiuj wynik\" aria-label=\"Kopiuj wynik\"><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\">Kopiuj link do tego obliczenia<\/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>Zostaw komentarz<\/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=\"211\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">Jak oceniasz ten wynik?<\/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\">Lubi\u0119 to <\/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\">Pomocne <\/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\">Niejasne <\/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\">Rozczarowanie <\/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\">Niedok\u0142adne <\/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>Wz\u00f3r na sk\u0142adniki betonu<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Wz\u00f3r<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ V = H \\cdot B \\cdot W \\quad \\text{(prostopad\u0142o\u015bcian)} \\qquad V = \\pi r^2 H \\quad \\text{(s\u0142up okr\u0105g\u0142y)} \\\\\n T = M + N + O \\\\\n X = \\frac{M}{T} \\cdot V, \\quad Y = \\frac{N}{T} \\cdot V, \\quad Z = \\frac{O}{T} \\cdot V\n\\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Gdzie:<\/strong><\/p>\n<ul>\n<li>\\(H\\), \\(B\\), \\(W\\) \u2014 wysoko\u015b\u0107, grubo\u015b\u0107 i szeroko\u015b\u0107 elementu prostok\u0105tnego (p\u0142yta lub belka)<\/li>\n<li>\\(r\\), \\(H\\) \u2014 promie\u0144 i wysoko\u015b\u0107 s\u0142upa okr\u0105g\u0142ego<\/li>\n<li>\\(V\\) \u2014 ca\u0142kowita obj\u0119to\u015b\u0107 betonu do wykonania<\/li>\n<li>\\(M{:}N{:}O\\) \u2014 proporcje mieszanki: cement : piasek : kruszywo grube<\/li>\n<li>\\(X\\), \\(Y\\), \\(Z\\) \u2014 wymagane obj\u0119to\u015bci cementu, piasku i kruszywa grubego<\/li>\n<\/ul>\n<p>Wz\u00f3r najpierw oblicza ca\u0142kowit\u0105 obj\u0119to\u015b\u0107 betonu na podstawie geometrii elementu, a nast\u0119pnie dzieli t\u0119 obj\u0119to\u015b\u0107 mi\u0119dzy trzy sk\u0142adniki proporcjonalnie do proporcji mieszanki.<\/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>Sk\u0142adniki betonu \u2014 przyk\u0142ad obliczenia<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Przyk\u0142ad:<\/strong> prostok\u0105tna belka o wysoko\u015bci 3000 mm, szeroko\u015bci 300 mm i grubo\u015bci 300 mm, z betonu o proporcji 1:3:3 (warto\u015bci domy\u015blne kalkulatora).<\/p>\n<p>\\[ V = 3000 \\cdot 300 \\cdot 300 = 270\\,000\\,000 \\ \\text{mm}^3 = 0.27 \\ \\text{m}^3 \\]<\/p>\n<p>\\[ T = 1 + 3 + 3 = 7 \\]<\/p>\n<p>\\[ X = \\frac{1}{7} \\cdot 0.27 = 0.0386 \\ \\text{m}^3, \\quad Y = \\frac{3}{7} \\cdot 0.27 = 0.1157 \\ \\text{m}^3, \\quad Z = \\frac{3}{7} \\cdot 0.27 = 0.1157 \\ \\text{m}^3 \\]<\/p>\n<p><strong>Wynik:<\/strong> potrzebujesz oko\u0142o 0,0386 m\u00b3 (38 571 428,57 mm\u00b3) cementu, 0,1157 m\u00b3 (115 714 285,71 mm\u00b3) piasku i 0,1157 m\u00b3 (115 714 285,71 mm\u00b3) kruszywa grubego.<\/p>\n<p>\n\r\n<\/section>\n<h2>Jak korzysta\u0107 z kalkulatora<\/h2>\n<ol>\n<li>Wybierz <strong>jednostki<\/strong> (mm, cm, m, in, ft, yd i inne) \u2014 wszystkie wymiary i wyniki b\u0119d\u0105 podawane w tej jednostce.<\/li>\n<li>Wybierz <strong>rodzaj betonu<\/strong>: \u201eProstok\u0105tny (p\u0142yta\/belka)\u201d lub \u201eS\u0142up okr\u0105g\u0142y\u201d. Nieistotne pola zostan\u0105 automatycznie ukryte.<\/li>\n<li>Dla elementu prostok\u0105tnego wprowad\u017a <strong>wysoko\u015b\u0107<\/strong>, <strong>grubo\u015b\u0107<\/strong> i <strong>szeroko\u015b\u0107<\/strong>. Dla s\u0142upa okr\u0105g\u0142ego wprowad\u017a <strong>promie\u0144<\/strong> i <strong>wysoko\u015b\u0107<\/strong>.<\/li>\n<li>Wprowad\u017a <strong>proporcj\u0119 cementu<\/strong>, <strong>proporcj\u0119 piasku<\/strong> i <strong>proporcj\u0119 kruszywa<\/strong> \u2014 na przyk\u0142ad 1, 3, 3 dla mieszanki 1:3:3.<\/li>\n<li>Odczytaj wyniki: kalkulator pokazuje <strong>ilo\u015b\u0107 cementu<\/strong>, <strong>ilo\u015b\u0107 piasku<\/strong> i <strong>ilo\u015b\u0107 kruszywa<\/strong>, ka\u017cd\u0105 jako obj\u0119to\u015b\u0107 w jednostkach sze\u015bciennych wybranej jednostki.<\/li>\n<\/ol>\n<h2>Co robi kalkulator<\/h2>\n<p>Szacowanie materia\u0142\u00f3w to jeden z pierwszych krok\u00f3w ka\u017cdej pracy z betonem, niezale\u017cnie od tego, czy zalewasz ma\u0142\u0105 p\u0142yt\u0119, belk\u0119 czy okr\u0105g\u0142y s\u0142up. Kalkulator przyjmuje wymiary elementu, kt\u00f3ry planujesz wykona\u0107, oraz proporcje mieszanki, a nast\u0119pnie zwraca obj\u0119to\u015b\u0107 ka\u017cdego z trzech suchych sk\u0142adnik\u00f3w: cementu, piasku i kruszywa grubego.<\/p>\n<p>Proporcje mieszanki wyra\u017caj\u0105 udzia\u0142y sk\u0142adnik\u00f3w w obj\u0119to\u015bci. Mieszanka 1:3:3 oznacza na przyk\u0142ad jedn\u0105 cz\u0119\u015b\u0107 cementu na trzy cz\u0119\u015bci piasku i trzy cz\u0119\u015bci kruszywa grubego. Ca\u0142kowita liczba cz\u0119\u015bci to \\(T = M + N + O\\); ka\u017cdy sk\u0142adnik otrzymuje nast\u0119pnie sw\u00f3j udzia\u0142 w ca\u0142kowitej obj\u0119to\u015bci betonu: cement dostaje \\(M\/T\\), piasek \\(N\/T\\), a kruszywo grube \\(O\/T\\).<\/p>\n<p>Wyniki podawane s\u0105 jako obj\u0119to\u015bci w wybranym systemie jednostek (na przyk\u0142ad mm\u00b3 lub m\u00b3, je\u015bli poda\u0142e\u015b milimetry, albo ft\u00b3, je\u015bli poda\u0142e\u015b stopy). Aby przeliczy\u0107 obj\u0119to\u015b\u0107 cementu na worki, podziel obj\u0119to\u015b\u0107 w m\u00b3 przez 0,035 (przybli\u017cona obj\u0119to\u015b\u0107 jednego worka cementu 50 kg) \u2014 w powy\u017cszym przyk\u0142adzie 0,0386 \u00f7 0,035 \u2248 1,1 worka. Wi\u0119cej informacji o tym, jakie proporcje pasuj\u0105 do jakiej klasy betonu, znajdziesz w naszym poradniku <a href=\"https:\/\/wpcalc.com\/pl\/inzynieria\/proporcje-betonu\/\">Proporcje mieszanki betonowej<\/a>.<\/p>\n<h2>Najcz\u0119stsze proporcje mieszanki<\/h2>\n<table>\n<thead>\n<tr>\n<th>Proporcje mieszanki<\/th>\n<th>Typowe zastosowanie<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1:1,5:3<\/td>\n<td>Beton konstrukcyjny o wysokiej wytrzyma\u0142o\u015bci (ok. M20)<\/td>\n<\/tr>\n<tr>\n<td>1:2:4<\/td>\n<td>Roboty konstrukcyjne og\u00f3lnego przeznaczenia (ok. M15)<\/td>\n<\/tr>\n<tr>\n<td>1:3:3<\/td>\n<td>P\u0142yty, belki i s\u0142upy w lekkiej konstrukcji<\/td>\n<\/tr>\n<tr>\n<td>1:4:8<\/td>\n<td>Beton masowy, chude podk\u0142ady i warstwy wyr\u00f3wnawcze<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Za\u0142o\u017cenia i ograniczenia<\/h2>\n<ul>\n<li>Obliczenie jest obj\u0119to\u015bciowe i zak\u0142ada suche sk\u0142adniki mierzone na sypko. <strong>Nie<\/strong> uwzgl\u0119dnia wody dodawanej do mieszanki ani spulchniania wilgotnego piasku, kt\u00f3re mo\u017ce by\u0107 znacz\u0105ce (do 30% przy bardzo mokrym piasku).<\/li>\n<li>Nie uwzgl\u0119dniono zapasu na straty. W praktyce zam\u00f3w 5\u201310% wi\u0119cej ka\u017cdego materia\u0142u, aby pokry\u0107 rozlewanie, nier\u00f3wn\u0105 podbudow\u0119 i straty przy mieszaniu.<\/li>\n<li>Wynik dla cementu jest obj\u0119to\u015bci\u0105. Przy zakupie cementu przelicz go na worki (1 worek 50 kg \u2248 0,035 m\u00b3) i pami\u0119taj, \u017ce cement zwykle mierzy si\u0119 wagowo, a nie obj\u0119to\u015bciowo.<\/li>\n<li>Narz\u0119dzie zak\u0142ada prosty prostopad\u0142o\u015bcian lub idealny walec. Dla nieregularnych kszta\u0142t\u00f3w podziel element na proste cz\u0119\u015bci, oblicz ka\u017cd\u0105 z nich i dodaj obj\u0119to\u015bci \u2014 pomog\u0105 w tym nasze kalkulatory <a href=\"https:\/\/wpcalc.com\/pl\/inzynieria\/objetosc-betonu\/\">Obj\u0119to\u015b\u0107 betonu<\/a> i <a href=\"https:\/\/wpcalc.com\/pl\/inzynieria\/beton-do-slupa-okraglego\/\">Wype\u0142nianie s\u0142upa betonem<\/a>.<\/li>\n<li>Je\u015bli potrzebujesz r\u00f3wnie\u017c cementu i piasku do prac wyko\u0144czeniowych, a nie do betonowania, u\u017cyj zamiast tego dedykowanego kalkulatora <a href=\"https:\/\/wpcalc.com\/pl\/inzynieria\/cement-i-piasek-na-tynkowanie\/\">Cement i piasek do tynkowania<\/a>.<\/li>\n<\/ul>\n<h2>Wskaz\u00f3wki praktyczne<\/h2>\n<ul>\n<li>Mierz szalunek, a nie rysunek: rzeczywiste wymiary wykop\u00f3w i deskowa\u0144 cz\u0119sto r\u00f3\u017cni\u0105 si\u0119 od planu o kilka centymetr\u00f3w, co przy wi\u0119kszych wylewkach zauwa\u017calnie zmienia ilo\u015bci materia\u0142\u00f3w.<\/li>\n<li>Zachowuj te same proporcje we wszystkich partiach. Mierzenie \u0142opatami szybko odbiega od proporcji; u\u017cywaj wiadra lub skrzynki pomiarowej o znanej obj\u0119to\u015bci dla ka\u017cdego sk\u0142adnika.<\/li>\n<li>Dodawaj wod\u0119 stopniowo, a\u017c mieszanka b\u0119dzie odpowiednio urabialna \u2014 zbyt du\u017co wody to najcz\u0119stsza przyczyna s\u0142abego betonu, a \u017cadna ilo\u015b\u0107 dodatkowego cementu w pe\u0142ni tego nie zrekompensuje.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Oblicz, ile cementu, piasku i kruszywa grubego potrzebujesz na p\u0142yt\u0119, belk\u0119 lub okr\u0105g\u0142y s\u0142up. Wprowad\u017a wymiary, wybierz jednostki i ustaw proporcje mieszanki (np. 1:3:3), aby otrzyma\u0107 obj\u0119to\u015b\u0107 ka\u017cdego sk\u0142adnika.<\/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":[8],"tags":[30],"class_list":["post-211","post","type-post","status-publish","format-standard","hentry","category-inzynieria","tag-budownictwo"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/posts\/211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/comments?post=211"}],"version-history":[{"count":2,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/posts\/211\/revisions"}],"predecessor-version":[{"id":2078,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/posts\/211\/revisions\/2078"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/media?parent=211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/categories?post=211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/pl\/wp-json\/wp\/v2\/tags?post=211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}