{"id":13,"date":"2026-05-30T18:11:41","date_gmt":"2026-05-30T16:11:41","guid":{"rendered":"https:\/\/student071.akademiata.edu.pl\/?page_id=13"},"modified":"2026-05-31T16:37:09","modified_gmt":"2026-05-31T14:37:09","slug":"klasy-betonu","status":"publish","type":"page","link":"https:\/\/student071.akademiata.edu.pl\/index.php\/konstrukcje-betonowe\/klasy-betonu\/","title":{"rendered":"Klasy Betonu"},"content":{"rendered":"\n

Wytrzyma\u0142o\u015bci [MPa] i modu\u0142y spr\u0119\u017cysto\u015bci Ecm<\/sub> [GPa] betonu wed\u0142ug PN-EN-1992<\/p>\n\n\n\n

Klasa betonu<\/strong><\/td>C12\/15<\/strong><\/td>C16\/20<\/strong><\/td>C20\/25<\/strong><\/td>C25\/30<\/strong><\/td>C30\/37<\/strong><\/td>C35\/45<\/strong><\/td>C40\/50<\/strong><\/td>C45\/55<\/strong><\/td>C50\/60<\/strong><\/td><\/tr>
fck<\/sub><\/strong><\/td>12<\/td>16<\/td>20<\/td>25<\/td>30<\/td>35<\/td>40<\/td>45<\/td>50<\/td><\/tr>
fck,cube<\/sub><\/strong><\/td>15<\/td>20<\/td>25<\/td>30<\/td>37<\/td>45<\/td>50<\/td>55<\/td>60<\/td><\/tr>
fcd<\/sub><\/strong><\/td>8,57<\/td>11,43<\/td>14,29<\/td>17,86<\/td>21,43<\/td>25<\/td>28,57<\/td>32,14<\/td>35,71<\/td><\/tr>
fcm<\/sub><\/strong><\/td>20<\/td>24<\/td>28<\/td>33<\/td>38<\/td>43<\/td>48<\/td>53<\/td>58<\/td><\/tr>
fctm<\/sub><\/strong><\/td>1,6<\/td>1,9<\/td>2,2<\/td>2,6<\/td>2,9<\/td>3,2<\/td>3,5<\/td>3,8<\/td>4,1<\/td><\/tr>
fctk,0,05<\/sub><\/strong><\/td>1,1<\/td>1,3<\/td>1,5<\/td>1,8<\/td>2,0<\/td>2,2<\/td>2,5<\/td>2,7<\/td>2,9<\/td><\/tr>
fctd<\/sub><\/strong><\/td>0,79<\/td>0,93<\/td>1,07<\/td>1,29<\/td>1,43<\/td>1,57<\/td>1,76<\/td>1,93<\/td>2,07<\/td><\/tr>
fctk,0,95<\/sub><\/strong><\/td>2,0<\/td>2,5<\/td>2,9<\/td>3,3<\/td>3,8<\/td>4,2<\/td>4,6<\/td>4,9<\/td>5,3<\/td><\/tr>
Ecm<\/sub><\/strong><\/td>27<\/td>29<\/td>30<\/td>31<\/td>33<\/td>34<\/td>35<\/td>36<\/td>37<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Uwaga warto\u015bci obliczeniowe obliczone zak\u0142adaj\u0105c wsp\u00f3\u0142czynnik bezpiecze\u0144stwa betonu: 1,4.
Uwaga. Warto\u015bci Ecm<\/sub> s\u0105 odpowiednie dla beton\u00f3w z kruszywem kwarcytowym. Dla kruszyw wapiennych nale\u017cy te warto\u015bci zmniejszy\u0107 o 10%, dla kruszyw piaskowych zmniejszy\u0107 o 30%, dla kruszyw bazaltowych o 20%.<\/p>\n\n\n\n

\n
\n
fck<\/sub><\/td>charakterystyczna wytrzyma\u0142o\u015b\u0107 walcowa na \u015bciskanie<\/td><\/tr>
fck,cube<\/sub><\/td>charakterystyczna wytrzyma\u0142o\u015b\u0107 kostkowa na \u015bciskanie<\/td><\/tr>
fcd<\/sub><\/td>obliczeniowa wytrzyma\u0142o\u015b\u0107 na \u015bciskanie<\/td><\/tr>
fctm<\/sub><\/td>\u015brednia wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie<\/td><\/tr>
fctk<\/sub><\/td>charakterystyczna wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie<\/td><\/tr>
fctd<\/sub><\/td>obliczeniowa wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie<\/td><\/tr>
Ecm<\/sub><\/td>modu\u0142 spr\u0119\u017cysto\u015bci betonu<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Wytrzyma\u0142o\u015bci [MPa] i modu\u0142y spr\u0119\u017cysto\u015bci Ecm [GPa] betonu wed\u0142ug PN-EN-1992 Klasa betonu C12\/15 C16\/20 C20\/25 C25\/30 C30\/37 C35\/45 C40\/50 C45\/55 C50\/60 fck 12 16 20 25 30 35 40 45 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":11,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-13","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":4,"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":71,"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/13\/revisions\/71"}],"up":[{"embeddable":true,"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/pages\/11"}],"wp:attachment":[{"href":"https:\/\/student071.akademiata.edu.pl\/index.php\/wp-json\/wp\/v2\/media?parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}