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<title>Ìåòîäè÷åñêèå ðåêîìåíäàöèè ïî ðåìîíòó è óñèëåíèþ ñòûêîâ è ýëåìåíòîâ æåëåçîáåòîííûõ êîíñòðóêöèé ìîñòîâ</title>
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<body lang=RU link=blue vlink=purple style='tab-interval:14.15pt;text-justify-trim:
punctuation'>
<div class=Section1>
<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;font-family:"Times New Roman";text-transform:uppercase'>ÌÈÍÈÑÒÅÐÑÒÂÎ
ÒÐÀÍÑÏÎÐÒÍÎÃÎ ÑÒÐÎÈÒÅËÜÑÒÂÀ</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;font-family:"Times New Roman";text-transform:uppercase'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ
ÂÑÅÑÎÞÇÍÛÉ ÄÎÐÎÆÍÛÉ <br>
ÍÀÓ×ÍÎ-ÈÑÑËÅÄÎÂÀÒÅËÜÑÊÈÉ ÈÍÑÒÈÒÓÒ</span></b></p>
<div style='border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm'>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
border:none;padding:0cm;'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;font-family:"Times New Roman";
text-transform:uppercase'>ÑÎÞÇÄÎÐÍÈÈ</span></b></p>
</div>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt;font-family:
"Times New Roman";text-transform:uppercase'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt;font-family:
"Times New Roman";text-transform:uppercase'>ÌÅÒÎÄÈ×ÅÑÊÈÅ ÐÅÊÎÌÅÍÄÀÖÈÈ <br>
ÏÎ ÐÅÌÎÍÒÓ È ÓÑÈËÅÍÈÞ ÑÒÛÊÎÂ <br>
È ÝËÅÌÅÍÒÎÂ ÆÅËÅÇÎÁÅÒÎÍÍÛÕ <br>
ÊÎÍÑÒÐÓÊÖÈÉ ÌÎÑÒÎÂ</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt;font-family:
"Times New Roman";text-transform:uppercase'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt;font-family:
"Times New Roman";text-transform:uppercase'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;font-family:"Times New Roman";text-transform:uppercase'>Ìîñêâà 1987</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;font-family:
"Times New Roman";text-transform:uppercase'> </span></b></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Ñîñòàâëåíû
íà îñíîâå èññëåäîâàíèé ðàçëè÷íûõ êîíñòðóêöèé è ñïîñîáîâ óñèëåíèÿ æåëåçîáåòîííûõ
ìîñòîâ, ýêñïåðèìåíòàëüíûõ è îïûòíûõ ðàáîò, âûïîëíåííûõ â Ñîþçäîðíèè, ñ ó÷åòîì
îïûòà ïðèìåíåíèÿ ðåêîìåíäóåìûõ êîíñòðóêöèé óñèëåíèÿ ìîñòîîòðÿäàìè è
ìîñòîïîåçäàìè Ãëàâìîñòîñòðîÿ.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Ïðåäëîæåíû
äâà âèäà óñèëåíèÿ ñòûêîâ (áåòîíèðóåìûõ, «ñóõèõ» è êëååíûõ) íà íîðìàëüíûå è
ñäâèãàþùèå óñèëèÿ: óñòàíîâêà ìåòàëëè÷åñêèõ èëè ïîëèìåðáåòîííûõ øïîíîê è
áåòîíèðîâàíèå äîïîëíèòåëüíûõ æåëåçîáåòîííûõ ýëåìåíòîâ, ñâÿçàííûõ ñ óñèëÿåìîé
êîíñòðóêöèåé êëååøòûðåâûì ñòûêîì. Óñòàíîâëåíî, ÷òî êëååøòûðåâîå ñîåäèíåíèå
ìîæåò áûòü èñïîëüçîâàíî äëÿ îáúåäèíåíèÿ âíîâü óêëàäûâàåìîãî áåòîíà ñî ñòàðûì è
ïðè äðóãèõ âèäàõ ðåìîíòà è óñèëåíèÿ.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Ðàññìîòðåíû
âîçìîæíîñòè óñòðîéñòâà óñèëåíèÿ êàê ïðè ïîëîæèòåëüíûõ, òàê è ïðè îòðèöàòåëüíûõ
òåìïåðàòóðàõ.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Ïðèâåäåíû
ïîäðîáíûå òðåáîâàíèÿ ê ðàñ÷åòó è êîíñòðóèðîâàíèþ ïðåäëàãàåìûõ âèäîâ óñèëåíèÿ,
äàíû ïðèìåðû ðàñ÷åòà.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Èçëîæåíà
òåõíîëîãèÿ è äàí ïåðå÷åíü îáîðóäîâàíèÿ, íåîáõîäèìîãî äëÿ âûïîëíåíèÿ ðàáîò.</span></p>
<h1 style='page-break-after:auto'><a name="_Toc93912874">Ïðåäèñëîâèå</a></h1>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><a name=Z1><span style='font-size:12.0pt;font-family:"Times New Roman"'>Ñîñòàâíûå
</span></a><span style='font-size:12.0pt;font-family:
"Times New Roman"'>êîíñòðóêöèè çà ïîñëåäíèå ãîäû íàøëè øèðîêîå ðàñïðîñòðàíåíèå
ïðè ñòðîèòåëüñòâå ìîñòîâ â ÑÑÑÐ è çà ðóáåæîì.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Îáñëåäîâàíèÿ,
âûïîëíåííûå Ñîþçäîðíèè, ïîêàçûâàþò, ÷òî ñîñòàâíûå êîíñòðóêöèè ñî ñòûêàìè
ðàçëè÷íûõ âèäîâ (êëååíûìè, áåòîíèðóåìûìè è «ñóõèìè») â ïðîöåññå ýêñïëóàòàöèè
âåäóò ñåáÿ àíàëîãè÷íî ìîíîëèòíûì.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Îäíàêî
çà ïîñëåäíåå âðåìÿ çàôèêñèðîâàíû îòäåëüíûå ñëó÷àè íåêà÷åñòâåííîãî âûïîëíåíèÿ
ñòûêîâ, ÷òî ïðèâåëî ê âûíóæäåííîìó óñèëåíèþ òàêèõ ñòûêîâ â ïðîöåññå
ñòðîèòåëüñòâà è ýêñïëóàòàöèè ìîñòîâ.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Â
ñâÿçè ñ ýòèì Ñîþçäîðíèè ðàçðàáîòàë, èñïûòàë è ïðîâåë ïðîèçâîäñòâåííóþ ïðîâåðêó
ðàçëè÷íûõ êîíñòðóêöèé óñèëåíèÿ ñòûêîâ è èõ îòäåëüíûõ ýëåìåíòîâ.</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt;font-family:"Times New Roman"'>Â
íàñòîÿùèõ «Ìåòîäè÷åñêèõ ðåêîìåíäàöèÿõ ïî ðåìîíòó è óñèëåíèþ ñòûêîâ è ýëåìåíòîâ
æåëåçîáåòîííûõ êîíñòðóêöèé ìîñòîâ» ïðèâåäåíû ìåòîäèêà ðàñ÷åòà ïðîãðåññèâ