ï»?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 贵州钢结构的强度指数 - 贵州天é¿`钢结构有é™å…¬å?/title> <meta name="Keywords" content=" 贵州钢结æž?/> <link href="/template/YXX0099(cms)/css/aos.css" rel="stylesheet" /> <link href="/template/YXX0099(cms)/css/style.css" rel="stylesheet" /> <script src="/template/YXX0099(cms)/js/jquery.js"></script> <script src="/template/YXX0099(cms)/js/jquery.superslide.2.1.1.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;"><li id="ey4qf"></li><b id="ey4qf"></b><rt id="ey4qf"></rt><nobr id="ey4qf"></nobr><form id="ey4qf"></form><font id="ey4qf"><tr id="ey4qf"></tr></font><center id="ey4qf"><strong id="ey4qf"><ruby id="ey4qf"><table id="ey4qf"></table></ruby></strong></center><del id="ey4qf"><dd id="ey4qf"><tt id="ey4qf"><address 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<h1 class="title">贵州钢结构的强度指数</h1> <div class="mark"> <span>å‘布日期åQ?021-03-09</span> <span>æ¥æºåQ?a href='http://www.landongxiazai.com/news/207.html'>http://www.landongxiazai.com/news/207.html</a></span> </div> <!-- <div class="news-pic"><img src="[path]" alt="贵州钢结构的强度指数"/></div> --> <div class="showContxt"> <p> <span style="font-family:SimSun;font-size:16px;">1,实力</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">钢的强度指数由弹性σe,屈æœÏƒy和拉ä¼Úsƒu军_®š.该设计基于钢的屈æœå¼ºåº?高屈æœå¼ºåº¦å¯ä»¥å‡è½È»“æž„çš„é‡é‡,节çœé’¢æòq‰™™ä½Žæˆæœ?抗拉强度σu是在钢被破å之å‰å¯ä»¥æ‰¿å—的应åŠ?此时,该结构由于塑性å˜å½¢å¤§è€Œä“áå¤×ƒ‹É用性能,但是该结构å˜å½¢å¤§òq¶ä¸”ä¸èƒ½æ»¡èƒö该结构抵抗罕è§åœ°éœ‡çš„è¦æ±‚. σQi/σy值的大å°å¯ä»¥è§†äؓ钢强度储备的å‚æ•°.</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">2.å¯å¡‘æ€?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">钢的å¯å¡‘性通常是指应力­‘…过屈æœç‚¹åŽå…ähœ‰æ˜Žæ˜¾çš„塑性å˜å½¢è€Œä¸ç ´è£‚的特æ€?è¡¡é‡é’¢å¡‘性å˜å½¢èƒ½åŠ›çš„主è¦æŒ‡æ ‡æ˜¯äŽ×长率δ和颿U¯Ïˆçš„å‡å°.</span> </p> <p> <span style="font-family:SimSun;font-size:16px;"><img src="/uploads/image/20210309/20210309141623_8671.jpg" alt="" /><br /> </span> </p> <p> <span style="font-family:SimSun;font-size:16px;">3,冷弯性能</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">钢的冷弯性能是在室温下将钢弯曲以产生塑性å˜å½¢æ—¶çš„抗开裂性的é‡åº¦.钢的冷弯性能是一¿U冷弯试éª?用于‹¹‹è¯•æŒ‡å®šå¼¯æ›²åº¦çš„钢的弯曲å˜åŞ性能.</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">4,冲击韧æ€?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">钢的冲击韧性是指钢在冲击过½E‹ä¸­æ‰¿å—冲击载è·æ—¶å¸æ”¶æœºæ¢°åŠ¨èƒ½çš„能力.‹¹‹é‡é’¢å¯¹å†²å‡»è½½è·çš„抗冲击性是一¿U机械性能,ç”׃ºŽä½Žæ¸©å’Œåº”力集中å¯èƒ½å¯¼è‡´è„†æ€§æ–­è£?通常,通过标准试äšg的冲击试验获得钢的冲击韧性指æ•?</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">5,焊接性能</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">钢的焊接性能是指在焊接工艺æ¡ä»¶ä¸‹èŽ·å¾—性能良好的焊接接å¤?焊接性能å¯ä»¥åˆ†äؓ两ç§:焊接˜q‡ç¨‹ä¸­çš„焊接性能和ä‹É用性能中的焊接性能.焊接˜q‡ç¨‹ä¸­çš„焊接性能是指焊ç¼å’Œç„Š¾~附˜q‘的金属对焊接过½E‹æ— çƒ­è£‚¾UÒŽˆ–冷å´çš„æ•æ„Ÿæ€?从而ä¸ä¼šäñ”生冷å´æ”¶¾~©è£‚¾U?良好的焊接性能æ„味ç€åœ¨ä¸€å®šçš„焊接工艺æ¡äšgä¸?焊接金属和附˜q‘çš„æ¯æä¸ä¼šäº§ç”Ÿè£‚纹.性能中的焊接性能是焊¾~的冲击韧性和热媄å“区的åšg展æ€?è¦æ±‚钢在焊接和热影å“区的机械性能ä¸ä½ŽäºŽæ¯æ的机械性能.在中å›?采用焊接工艺的焊接性能试验æ–ÒŽ³•,˜q˜é‡‡ç”¨ä‹É用性能的焊接性能试验æ–ÒŽ³•.</span> </p> <p> <span style="font-family:SimSun;font-size:16px;">6,è€ä¹…æ€?/span> </p> <p> <span style="font-family:SimSun;font-size:16px;">有许多因素会影å“钢的è€ä¹…æ€?首先,钢的è€è…蚀性差,必须采å–ä¿æŠ¤æŽªæ–½ä»¥é˜²æ­¢é’¢çš„è…蚀和生é”?防护措施包括:定期ä¿å…»æ²ÒŽ¼†,镀锌钢æ?在强è…蚀性介è´?例如é…?¼„?ç›ç­‰)存在下的ç‰ÒŽ®Šé˜²æŠ¤æŽªæ–½,例如使用"é˜Ïxžä¿æŠ¤"措施æ¥é˜²æ­¢å¤–套è…蚀.锌锭固定在护套上,‹¹äh°´ç”µè§£è´¨ä¼šé¦–先自动è…蚀锌锭,从而è“våˆîC¿æŠ¤é’¢æŠ¤å¥—的作ç”?其次,ç”׃ºŽé’¢çš„高温和长期负è?其断裂强度远低于短期强度.å› æ­¤,应确定钢在长期高温下的长期强åº?éšç€æ—‰™—´çš„æµé€?钢会自动å˜ç¡¬å˜è„†,å?è€åŒ–"现象.对于低温载è·ä¸‹çš„é’?应测试其冲击韧æ€?</span> </p> </div> <div class="tag">相关标签åQ?a 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