ï»?!DOCTYPE html> 【图文】石家庄钢结构如何提高耐火性能_矛_®¶åº„é’¢¾l“构公司 - 矛_®¶åº„都成彩钢结构工½E‹æœ‰é™å…¬å?/title> <meta name="applicable-device" content="pc,mobile"> <meta http-equiv="Cache-Control" content="no-transform"/> <meta name="MobileOptimized" content="width"/> <meta name="HandheldFriendly" content="true"/> <meta name="keywords" content="" /> <link rel="stylesheet" type="text/css" href="/template/YXX0071/css/base.css" /> <link rel="stylesheet" type="text/css" href="/template/YXX0071/css/model.css" /> <link rel="stylesheet" type="text/css" href="/template/YXX0071/css/main.css" /> <script src="/template/YXX0071/js/jquery-1.8.3.min.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><video id="7jn5v"><video id="7jn5v"><address id="7jn5v"><delect id="7jn5v"></delect></address></video></video><address id="7jn5v"><delect id="7jn5v"></delect></address><listing 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href='http://www.92kaoya.com/news/383.html'>http://www.92kaoya.com/news/383.html</a></span></h3> </div> <div class="content"> <p>希望大家通过本文的介¾lï¼Œå¯ä»¥å¯?a target="_blank" href="http://www.92kaoya.com/news/383.html"><b><a href="http://www.92kaoya.com/" target="_blank" style="font-weight:bold">矛_®¶åº„é’¢¾l“æž„</a></b>如何提高耐火性能</a>½{‰æ–¹é¢çš„内容有一定的认识与了解,下面ž®Þp·Ÿéš?a href="http://www.92kaoya.com/" target="_blank">矛_®¶åº„都成彩钢结构工½E‹æœ‰é™å…¬å?/a>的专家一同来看一下相关的内容½Ž€ä»?p style="text-indent:2em;">1应用建筑耐火、耐候钢一般的钢材耐火性差åQŒä½†æ˜¯å¯ä»¥é€šè¿‡ç›¸å…³æŠ€æœ¯æ‰‹ŒDµï¼Œæ”¹å˜é’¢æçš„材料组份,加入特定的成分,改变钢材的结构及金相¾l„织åQŒæé«˜é’¢ææœ¬íw«çš„耐火性和耐候性。这ž®±æ˜¯è€ç«ã€è€å€™é’¢ã€‚è¿™¿Ué’¢æåœ¨æ¸©åº¦è¾?00℃时åQŒå¼ºåº¦ä¸‹é™ä¸åˆ?0%åQŒæ­¤å¤–由于它的耐火性表较好åQŒå¯ä»¥åœ¨æ–½å·¥æ—‰™€‚当减小保护层的厚度åQŒç”šè‡›_¯ä»¥ä¸æ¶‚防锈漆åQŒè¿™æ ·å¯ä»¥èŠ‚省一定成本。应用耐火、耐候钢是治本良方,应该大力推广åQŒç›®å‰ï¼Œæˆ‘国已有多家企业可以生äñ”建筑用耐火、耐候钢åQŒè¿™ä¸ºé’¢¾l“构建筑提供了良好的用材来源ã€?/p><p style="text-indent:2em;">2采用抗火能力强的¾l“构形式和构件纯钢结构的耐火性比较差åQŒä½†æ˜¯å¯ä»¥é€‚当¾l“合混凝土组成æ؜合构ä»Óž¼Œæˆ–在一些关键部位直接采用钢½{‹æ؜凝土¾l“构。例如柱子可以采用钢½Ž¡æ؜凝土柱,˜q™æ ·å¯ä»¥å¾ˆæœ‰æ•ˆæé«˜è€ç«æžé™åQŒè€Œä¸”钢管直径(或边é•?­‘Šå¤§åQŒè€ç«æ—‰™—´­‘Šé•¿åQŒç›´å¾?00mm的圆钢管混凝土柱åQŒå½“涂敷åŽ?5mm的隔热型防火涂料时即可满­‘?h的耐火旉™—´ã€‚而像楼板和楼梯这样对防火要求较高的构件还是应该尽可能采用钢筋混凝土结构ã€?/p><p style="text-indent:2em;">3采取合理的钢构äšg防火构造处理方案钢¾l“构防火保护构造作法应合理、坚固、经‹¹Žã€æ˜“于施工,òq¶åˆ©äºŽè£…修。当有非燃烧体的围护或分隔构件与钢构件处于同一轴线æ—Óž¼Œå¯åˆ©ç”¨éžç‡ƒå¢™ä½“本íw«äؓ钢构件提供防火保护,而不需另做防火保护层。而对那些裔Rœ²åœ¨å¤–的钢构äšgåQŒåˆ™åº”采用合理的防火保护构造作法ã€?/p><p style="text-indent:2em;">4实施有效的的防火保护æ–ÒŽ³•å¸¸ç”¨çš„é’¢¾l“构防火保护æ–ÒŽ³•æœ‰å¤–包æ؜凝土保护、外包钢丝网水惔砂浆、外包防火板材和å–äh¶‚防火涂料½{‰ã€‚外包æ؜凝土保护ž®±æ˜¯ç”¨æ؜凝土ž®†é’¢æž„äšg完全包裹èµäh¥åQŒåœ¨æ··å‡åœŸä¸­˜q˜åº”配置构造钢½{‹é˜²æ­¢æ؜凝土è„Þp½ã€‚钢丝网水惔砂浆防火保护是用金属¾|‘抹50#砂浆做保护层矛_®¶åº„,<a href="http://www.92kaoya.com/sjzgjg/" target="_blank">矛_®¶åº„é’¢¾l“æž„</a>如何提高耐火性能也是一¿Uä¼ ¾lŸçš„施工æ–ÒŽ³•ã€‚外包防火板材可以选用¾U¤ç»´å¢žå¼ºæ°´æƒ”æ?如TKæÑ€FCæ?、石膏板、硅酔R’™æÑ€è›­çŸÏx¿½{‰éžç‡ƒææ–™çš„防火板将钢构件包裹è“v来ã€?/p><p style="text-align:center;"><img alt="【图文】石家庄钢结构如何提高耐火性能_矛_®¶åº„é’¢¾l“构公司" src="http://cmsimgshow.zhuchao.cc/14955/20150914035826.jpg?path=www.92kaoya.com/uploads/cp/20150914035826.jpg" /></p><p style="text-indent:2em;"> <span style="color:#ff0000;">˜q™ç¯‡æ–‡ç« æ‚¨æˆ–许更喜欢åQ?/span> </p><p style="text-indent:2em;">1、雨‹‚šæ°¸ä¹…荷载标准值取0.8kN/㎡(不包括受力构件自重)åQŒè®¡½Ž—风吸力旉™›¨‹‚šé™„加永久荷载标准值取0.3kN/㎡ã€?/p><p style="text-indent:2em;">  2、雨‹‚šæ´»è¯‚²æ ‡å‡†å€¼å–0.5kN/㎡ã€?/p><p style="text-indent:2em;">  3、雨‹‚šé›ªè¯‚²åQšåŸºæœ¬é›ªåŽ‹äؓ0.4kN/㎡,0.7kN/㎡(雪荷载标准å€û|¼šSk=μtSoåQŒÎ¼t=2åQ‰ï¼Œåœ¨å¯èƒ½äñ”生特大雪药‚²çš„地区,应由设计人员复核后选用ã€?/p><p style="text-indent:2em;">  4、风药‚²åQ?/p><p style="text-indent:2em;">  基本风压åQ?.55kN/㎡ã€?.75kN/㎡;风荷载标准值按围护¾l“构计算。在可能产生特大风荷载的地区åQŒåº”ç”Þp®¾è®¡äh员复核后选用ã€?/p><p style="text-indent:2em;">  风荷载标准å€û|¼šwk=βgzμsμzWoåQŒÎ²gz=1.0åQŒÎ¼s(负风åQ?-2.0åQŒÎ¼s(正风åQ?1.0åQŒÎ¼z=1.14ã€?/p><p style="text-indent:2em;">  </p>“石家庄钢结构如何提高耐火性能”所˜q°çš„内容åQŒæ˜¯æˆ‘们的小¾~–精心äؓ大家准备的,˜q˜è®°å¾—上½‹‡ä¸­è¯´äº†ä»€ä¹ˆå—åQŸè¿™äº›æˆ–è®”Rƒ½æœ‰äº›ä¸å…¨é¢çš„地方åQŒæˆ‘们会在以后的文章中äؓ大家一一说明</p> </div> <h3 class="tag">关键词: <a href='/key.aspx?k=%e9%98%b2%e7%81%ab'>防火</a>,<a href='/key.aspx?k=%e8%80%90%e7%81%ab'>耐火</a>,<a href='/key.aspx?k=%e6%9e%84%e4%bb%b6'>构äšg</a>,<a href='/key.aspx?k=%e4%bf%9d%e6%8a%a4'>保护</a>,<a href='/key.aspx?k=%e6%b7%b7%e5%87%9d%e5%9c%9f'>混凝åœ?/a>,</h3> <div class="page"> <div>上一æ?<a href="384.html">【图文】彩钢板做成围挡墙好处多_‹zÕdŠ¨æˆ¿çš„材料</a></div> <div>下一æ?<a href="382.html">【图文】石家庄钢结构厂介绍冬季施工要求_彩钢板的市场位置重要å?/a></div> </div> </div> <!-- 相关产品和相å…Ïx–°é—?--> <div class="relate_list"> <div class="relateproduct relate"> <h4>相关产品åQ?/h4> <div class="content"> <ul id="relate_p" class="product_list clearfix"> <li> <a rel="nofollow" href="/supply/53.html" title="防火彩钢板房" class="img"> <img 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