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<span>发布日期åQ?022-08-18</span> <span>来源åQ?a href='http://www.landongxiazai.com/news/272.html'>http://www.landongxiazai.com/news/272.html</a></span> </div> <!-- <div class="news-pic"><img src="[path]" alt="钢结构工½E‹è®¾è®¡æ–¹æ³•ä¸Žæ³¨æ„äº‹é¡¹"/></div> --> <div class="showContxt"> 1ã€?a href="http://www.landongxiazai.com/supply/103.html" target="_blank">钢结æž?/a>工程设计æ–ÒŽ³•<br /> 1.1塑性设计法<br /> 当钢¾l“构工程的结构构件塑性性质以及强度比标准荷载的构äšg乘以安全¾pÀL•°è¦é«˜çš„时候,在构件的内力¾l“构分析中通常ž®×ƒ¼šé‡‡ç”¨å¡‘性设计法。这一æ–ÒŽ³•æœ‰ä¸€å®šçš„优点åQŒä¸»è¦è¡¨çŽ°åœ¨å…¶ç»“构进入到塑性之后能够允许进行内力的重分布,但必™å»è¦æ³¨æ„åQŒå…¶¾l“构和构仉™œ€è¦å…·æœ‰èƒö够的延性,òq¶ä¸”要在设计˜q‡ç¨‹ä¸­æ ¹æ®å®žé™…需求,严格限制¾˜¼ç¼˜ä»¥åŠæˆªé¢è…ÒŽ¿çš„比例尺寸。 钢结构工½E‹è®¾è®?br /> 1.2容许应力æ³?br /> 钢结构工½E‹å®¹è®¸åº”力法在设计应用的˜q‡ç¨‹ä¸­ä¹Ÿéœ€è¦åšæŒä¸€å®šçš„原则åQŒå…·ä½“来è®ÔŒ¼Œè¦æ±‚其结构计½Ž—应力需要比¾l“æž„æž„äšg设计中规定的容许应力要小。在¾l“æž„æž„äšg应力计算æ—Óž¼Œä¸€å®šè¦æŒ‰ç…§è§„定的标准荷载进行设计,计算是以一阶弹性理论得到的åQŒæ˜¯ä»¥ä¸€ä¸ªåŽ»é™¤ææ–™åƈ且大äº?的安全系数的极限应力或者是屈服应力¼‹®å®šçš„。这一设计æ–ÒŽ³•å­˜åœ¨ä¸€å®šçš„¾~ºé™·åQŒåœ¨åº”用˜q‡ç¨‹ä¸­éœ€è¦æ ¹æ®å®žé™…情å†ëŠ§‘学选择ã€?br /> 1.3极限状态法<br /> 极限状态法的出玎ͼŒèƒ½å¤Ÿæœ‰æ•ˆè§£å†³ä¸Šè¿°ä¸¤ç§æ–ÒŽ³•ä¸­å­˜åœ¨çš„¾~ºé™·åQŒæ›´å¥½çš„提升设计质量。极限状态法采用药‚²åˆ†é¡¹¾pÀL•°å’ŒæŠ—力替代单一安全¾pÀL•°ã€‚在药‚²ä½œç”¨ä¹‹ä¸‹åQŒç»“构能够在一定的周期内达åˆîC¸¤¿Uæžé™çš„状态,åÏx­£å¸æ€‹É用状态下的极限状态以及承载能力极限状态。后者所对应的是¾l“构的安全性,主要指的是结构的断裂、塑性变形等引è“v的结构破坏。极限状态是当前钢结构工½E‹è®¾è®¡ä¸­åº”用为广泛的设计æ–ÒŽ³•åQŒå…¶èƒ½å¤Ÿæœ‰æ•ˆæå‡è®¾è®¡è´¨é‡åQŒç¡®ä¿å¾½{‘é’¢¾l“构的稳定性ã€?br /> 2、钢¾l“构工程设计的注意事™å?br /> 2.1合理选择钢材<br /> 在钢¾l“构工程设计˜q‡ç¨‹ä¸­ï¼Œé€‰æ‹©åˆç†çš„钢材有十分关键的作用。可以说åQŒé’¢æé€‰æ‹©˜q™ä¸€ä»ÕdŠ¡æ—¢é‡è¦ï¼Œåˆå­˜åœ¨ä¸€å®šçš„éš‘Öº¦ã€‚我国的钢材¿Uç±»ä¼—多åQŒè¦æƒ³ä»Žä¼—多的钢材中选择出适合钢结构工½E‹æ–½å·¥å¾è®„¡š„钢材隑ֺ¦è¾ƒå¤§åQŒä¸”當前钢结构工½E‹çš„施工设计对于钢材的要求也较高åQŒä¸åŒé’¢¾l“构工程寚w’¢¾l“构强度、变形度以及疲劳应力½{‰æ–¹é¢çš„要求也各不相同,所以选择时也有一定的隑ֺ¦ã€‚因此,在设计时åQŒäؓ了能够更好的发挥钢结构的作用åQŒä¸€å®šè¦ä»Žå®žé™…出发,¾l“合具体的施工要求科学选择钢材。在选择钢材æ—Óž¼Œ˜q˜å¿…™å»è¦¿U‘学判断出其适用性。目前,建筑钢结构的跨度以及药‚²éƒ½æ¯”较大åQŒä¸»è¦æ˜¯åº”用在体型较为复杂的<a href="http://www.landongxiazai.com/gcgjg/" target="_blank">高层钢结æž?/a>工程或者是大型的钢¾l“构工程中。因此,钢材必须要满­‘³é’¢¾l“构工程施工需求,能够承受较高的温度和振动åQŒåƈ且便于拆卸。这ž®Þp¦æ±‚设计之前设计者需要调查研½IӞ¼Œòq¶å…¨é¢åˆ†æžï¼Œå……分考虑钢结构的适用性,才能够进行设计工作ã€?br /> 2.2重点设计钢结构的¾l†èŠ‚部分<br /> 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在对钢结构工½E‹è¿›è¡Œå¾è®¾ä¸­åQŒè¿ç”¨é’¢¾l“构工程˜q›è¡Œè®¾è®¡åQŒä¸ä»…能够ä‹É得钢¾l“构工程å…ähœ‰æ›´å¤§çš„跨度空é—ß_¼ŒåŒæ™‚˜q˜å­˜åœ¨ç€å®‰è£…便利、造ä­h成本较低½{‰ä¼˜åŠ¿ï¼Œå› æ­¤ä½¿å¾—其在钢结构工½E‹æ–¹é¢çš„应用­‘Šæ¥­‘Šå¹¿ã€‚随着我国工业市场的繁荣发展,钢结构工½E‹çš„数量ž®†ä¼šæ€¥å‰§å¢žå¤šåQŒè¿™ž®±å¯¹é’¢ç»“æž„å·¥½E‹çš„设计提出了更高的要求ã€?br /> </div> <div class="tag">相关标签åQ?/div> <div class="reLink clearfix"> <div>上一æ?<a href="273.html">如何¾l™é’¢¾l“构厂房加固?</a></div> <div>下一æ?<a href="271.html">影响钢结构仓库工½E‹è´¨é‡çš„3大因ç´?/a></div> </div> <div class="relateNews"> <div class="n-tit"><h3><s></s>相关新闻</h3></div> <ul class="list clearfix"> <li class="item"> <a href="/news/313.html" title="钢结构的特点主要有哪些?" rel="nofollow"> <img src="[path]" alt="钢结构的特点主要有哪些?" /><h3>钢结构的特点主要有哪些?</h3> <div class="txt">1. 强度高、重量轻åQšé’¢æå¼ºåº¦è¾ƒé«˜ï¼Œå¼ÒŽ€§æ¨¡é‡ä¹Ÿé«˜ã€‚与混凝土和木材相比åQŒå…¶å¯†åº¦ä¸Žå±ˆæœå¼ºåº¦çš„比值相对较ä½?..</div> <span class="time">2024-04-16</span> </a> </li> <li class="item"> <a href="/news/312.html" title="钢结构适合用于什么场æ™? rel="nofollow"> <img src="[path]" 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