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ГОСТ 24211-91

Добавки для бетонов. Общие технические требования

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<p class=MsoTitle><b><span style='letter-spacing:1.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ
ÑÒÀÍÄÀÐÒ ÑÎÞÇÀ ÑÑÐ</span></b></p>

</div>

<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'>ÄÎÁÀÂÊÈ ÄËß ÁÅÒÎÍÎÂ</span></b></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center'><span style='font-size:12.0pt'>ÎÁÙÈÅ ÒÅÕÍÈ×ÅÑÊÈÅ ÒÐÅÁÎÂÀÍÈß</span></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'>ÃÎÑÒ 24211-91</span></b></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'>&nbsp;</span></b></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center'><span style='font-size:12.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÊÎÌÈÒÅÒ ÑÑÑÐ
ÏÎ ÑÒÐÎÈÒÅËÜÑÒÂÓ È ÈÍÂÅÑÒÈÖÈßÌ</span></p>

<h3 style='margin-top:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:
0cm'>Ìîñêâà</h3>

<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center'>&nbsp;</p>

<p class=MsoTitle style='border:none;'><span style='letter-spacing:2.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ ÑÎÞÇÀ ÑÑÐ</span></p>

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<p class=MsoSubtitle>ÄÎÁÀÂÊÈ ÄËß ÁÅÒÎÍÎÂ</p>
<h3 style='margin-top:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:
0cm'>Îáùèå òåõíè÷åñêèå òðåáîâàíèÿ</h3>
<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center'><span style='font-size:12.0pt'>Admixtures for concretes. <br>
General technical requirements</span></p>
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solid windowtext .5pt;border-right:none;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center'><b><span style='font-size:14.0pt'>ÃÎÑÒ <br>
24211</span><span style='font-size:12.0pt'>-</span><span style='font-size:14.0pt'>91</span></b></p>
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<p class=MsoNormal align=right style='margin-top:6.0pt;text-align:right'><b><span style='font-size:12.0pt'>Äàòà ââåäåíèÿ <u>01.07.92</u></span></b></p>

<p class=MsoBodyTextIndent><span style='font-size:12.0pt'>Íàñòîÿùèé ñòàíäàðò ðàñïðîñòðàíÿåòñÿ íà äîáàâêè íà îñíîâå íåîðãàíè÷åñêèõ
è îðãàíè÷åñêèõ âåùåñòâ (äàëåå - äîáàâêè) äëÿ òÿæåëûõ è ëåãêèõ áåòîíîâ, âÿæóùèì
äëÿ ïðèãîòîâëåíèÿ êîòîðûõ ÿâëÿþòñÿ öåìåíòû íà îñíîâå ïîðòëàíäöåìåíòíîãî
êëèíêåðà, è óñòàíàâëèâàåò òðåáîâàíèÿ íàçíà÷åíèÿ äîáàâîê äëÿ áåòîíîâ, èõ
íàäåæíîñòè, ñòîéêîñòè ê âíåøíèì âîçäåéñòâèÿì, îõðàíû ïðèðîäû,
òðàíñïîðòàáåëüíîñòè, áåçîïàñíîñòè ðàáîòû ñ íèìè.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:21.3pt'><span style='font-size:12.0pt'>Íàñòîÿùèé ñòàíäàðò íå
ðàñïðîñòðàíÿåòñÿ íà ìèíåðàëüíûå äîáàâêè.</span></p>

<h1>1. ÒÐÅÁÎÂÀÍÈß ÍÀÇÍÀ×ÅÍÈß</h1>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>1.1. Â çàâèñèìîñòè îò
íàçíà÷åíèÿ (îñíîâíîãî ýôôåêòà äåéñòâèÿ) äîáàâêè äëÿ áåòîíîâ ïîäðàçäåëÿþò íà
âèäû.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>1.1.1. Ðåãóëèðóþùèå ñâîéñòâà
áåòîííûõ ñìåñåé:</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>ïëàñòèôèöèðóþùèå:</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ïëàñòèôèöèðóþùèå I ãðóïïû
(ñóïåðïëàñòèôèêàòîðû),</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ïëàñòèôèöèðóþùèå II ãðóïïû
(ñèëüíîïëàñòèôèöèðóþùèñ),</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ïëàñòèôèöèðóþùèå III
ãðóïïû (ñðåäíåïëàñòèôèöèðóþùèå),</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ïëàñòèôèöèðóþùèå IV
ãðóïïû (ñëàáîïëàñòèôèöèðóþùèå),</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>ñòàáèëèçèðóþùèå;</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>âîäîóäåðæèâàþùèå;</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>óëó÷øàþùèå ïåðåêà÷èâàåìîñòü;</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>ðåãóëèðóþùèå ñîõðàíÿåìîñòü
áåòîííûõ ñìåñåé:</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>çàìåäëÿþùèå ñõâàòûâàíèå</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>óñêîðÿþùèå ñõâàòûâàíèå;</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.2pt'><span style='font-size:12.0pt'>ïîðèçóþùèå (äëÿ ëåãêèõ
áåòîíîâ):</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>âîçäóõîâîâëåêàþùèå,</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ïåíîîáðàçóþùèå,</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>ãàçîîáðàçóþùèå.</span></p>

<p class=MsoBodyTextIndent3>1.1.2. Ðåãóëèðóþùèå òâåðäåíèå áåòîíà:</p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>çàìåäëÿþùèå òâåðäåíèå,</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:1.0cm'><span style='font-size:12.0pt'>óñêîðÿþùèå òâåðäåíèå.</span></p>

<p class=MsoNormal style='text-align:justify;t