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ГОСТ 28570-90

Бетоны. Методы определения прочности по образцам, отобранным из конструкций

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<p class=MsoNormal align=right style='text-align:right;
border:none;padding:0cm;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>ÃÎÑÒ 28570-90</span></b></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
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'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;letter-spacing:2.0pt'>ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ</span></b></p>

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<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt'>&nbsp;</span></b></p>

<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt'>ÁÅÒÎÍÛ</span></b></p>

<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>ÌÅÒÎÄÛ ÎÏÐÅÄÅËÅÍÈß ÏÐÎ×ÍÎÑÒÈ
ÏÎ ÎÁÐÀÇÖÀÌ, <br>
ÎÒÎÁÐÀÍÍÛÌ ÈÇ ÊÎÍÑÒÐÓÊÖÈÉ</span></b></p>

<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>&nbsp;</span></b></p>

<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>&nbsp;</span></b></p>

<p class=MsoNormal align=center style='margin-top:12.0pt;text-align:center;
'><b>Ìîñêâà</b></p>

<p class=MsoNormal align=center style='text-align:center;'><b>Ñòàíäàðòèíôîðì</b></p>

<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b>2005</b></p>

<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>&nbsp;</span></b></p>

<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center;
'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;letter-spacing:2.0pt'>ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ</span></b></p>

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<td width="61%" valign=top style='width:61.06%;border-top:solid windowtext .5pt;
border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
padding:0cm 1.4pt 0cm 1.4pt'>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><a name=TO0000001><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>ÁÅÒÎÍÛ</span></b></a></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>Ìåòîäû
îïðåäåëåíèÿ ïðî÷íîñòè ïî îáðàçöàì, <br>
îòîáðàííûì èç êîíñòðóêöèé</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center;'><span style='font-size:12.0pt;
mso-ansi-language:EN-US'>Concretes. <br>
Methods of strength evaluation on cores drilled from structures</span></p>
</td>

<td width="38%" style='width:38.94%;border-top:solid windowtext .5pt;
border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
padding:0cm 1.4pt 0cm 1.4pt'>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt'>ÃÎÑÒ <br>
28570-90</span></b></p>
</td>

</tr>
</table>

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<p class=MsoNormal align=right style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:right;'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>Äàòà ââåäåíèÿ<u> 01.01.91</u></span></b></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt;'><span style='font-size:12.0pt'>Íàñòîÿùèé
ñòàíäàðò ðàñïðîñòðàíÿåòñÿ íà áåòîíû âñåõ âèäîâ ïî <a href="2484.htm"
title="Áåòîíû. Êëàññèôèêàöèÿ è îáùèå òåõíè÷åñêèå òðåáîâàíèÿ">ÃÎÑÒ 25192</a> è
óñòàíàâëèâàåò ìåòîäû îïðåäåëåíèÿ èõ ïðî÷íîñòè â ñáîðíûõ è ìîíîëèòíûõ áåòîííûõ è
æåëåçîáåòîííûõ êîíñòðóêöèÿõ è èçäåëèÿõ (äàëåå - êîíñòðóêöèÿõ), îòáîðà ïðîá èç
êîíñòðóêöèé, èçãîòîâëåíèÿ èç ýòèõ ïðîá êîíòðîëüíûõ îáðàçöîâ è îïðåäåëåíèÿ
ïðåäåëà ïðî÷íîñòè áåòîíîâ íà ñæàòèå, îñåâîå ðàñòÿæåíèå, ðàñòÿæåíèå ïðè
ðàñêàëûâàíèè è ðàñòÿæåíèå ïðè èçãèáå (äàëåå - ïðî÷íîñòè) ïðè ðàçðóøàþùèõ
êðàòêîâðåìåííûõ ñòàòè÷åñêèõ èñïûòàíèÿõ îáðàçöîâ.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt;'><span style='font-size:12.0pt'>Ñòàíäàðò ñëåäóåò
ïðèìåíÿòü, êàê ïðàâèëî, ïðè èíñïåêöèîííûõ è ýêñïåðòíûõ èñïûòàíèÿõ ïðî÷íîñòè
áåòîíà â êîíñòðóêöèÿõ äåéñòâóþùèõ è ðåêîíñòðóèðóåìûõ çäàíèé è ñîîðóæåíèé.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt;'><span style='font-size:12.0pt'>Ïðè
ïðîèçâîäñòâåííîì êîíòðîëå ïðî÷íîñòè áåòîíà êîíñòðóêöèé íàñòîÿùèé ñòàíäàðò
ñëåäóåò ïðèìåíÿòü ñîâìåñòíî ñ <a href="2472.htm"
title="Áåòîíû. Ïðàâèëà êîíòðîëÿ ïðî÷íîñòè">ÃÎÑÒ 18105</a>, â êîòîðîì
óñòàíîâëåíû ïðàâèëà è íîðìû îòáîðà ïðîá, òâåðäåíèÿ è õðàíåíèÿ îáðàçöîâ, à òàêæå
ïðàâèëà îöåíêè ïðî÷íîñòè áåòîíà íà îñíîâå ðåçóëüòàòîâ èñïûòàíèé îáðàçöîâ.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt;'><span style='font-size:12.0pt'>Îïðåäåëåíèå
ïðî÷íîñòè ÿ÷åèñòîãî áåòîíà ïî îáðàçöàì, îòîáðàííûì èç êîíñòðóêöèé, ñëåäóåò
ïðîèçâîäèòü ïî <a href="2454.htm"
title="Áåòîíû. Ìåòîäû îïðåäåëåíèÿ ïðî÷íîñòè ïî êîíòðîëüíûì îáðàçöàì">ÃÎÑÒ 10180</a>.</span></p>

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