?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> title_temp 网架琢接Ԣ板节点Є设?- 新闻中弨 - 徐州市四方特种屋?/title> <meta name="keywords" content="网架焊接钢板节点的设? /> <meta name="description" content="" /> <meta http-equiv="Cache-Control" content="no-transform" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body><h1><a href="http://anneddwen.com/">߿</a></h1> <div class="header"> <div class="top"> <span>徐州ƛ方特种屋盖限公司</span> <p class="slogan"> 徐州地区˸Є网架公司!</p> <ul class="menu" id="navi"> <li><a href="http://anneddwen.com/">??/a></li> <li><a href="/gywmn/gywm/" rel="nofollow">关于我们</a></li> <li><a href="/xwzx/xwzxn/">新闻中弨</a></li> <!-- <li><a href="/cpjs/wjjg/">产品介绍</a></li>--> <li><a href="/crcm/crcmn/">ա容ա貌</a></li> <li><a href="/scgy/scgyn/">生产工ѹ</a></li> <li><a href="/gcal/gcaln/" rel="nofollow">工程案例</a></li> <li><a href="/lyb/lyb/" rel="nofollow">切?/a></li> <li><a href="/lxwm/lxwmn/" rel="nofollow">쳻我们</a></li> </ul> <div class="qc"> </div> </div> </div> <div class="banner"> <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="1000" height="270"> <param name="movie" value="/img/top.swf" /> <param name="quality" value="high" /> <param name="wmode" value="transparent" /> <embed src="/img/top.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="1000" height="270"></embed> </object> </div> <div class="nymain"> <div class="nymain_sider"> <div class="lmdh"> <h3 class="lmdh_bt"> 新闻中弨</h3> <ul class="lmdh_nr"> <li><a href="/xwzx/xwzxn/">新闻中弨</a></li> </ul> <p class="lmdh_foot"> </p> </div> <div class="lmdh"> <h3 class="lmdh_bt"> 网架资讯</h3> <ul class="lmdh_nr1"> <li><a href="/xwzx/xwzxn/102.html" target="_blank" title="网架ո必须要达到标?>网架ո必须要达到标?/a></li> <li><a href="/xwzx/xwzxn/50.html" target="_blank" title="Ԣ材需求回?但上行空间仍限">Ԣ材需求回?但上行空间仍限</a></li> <li><a href="/xwzx/xwzxn/100.html" target="_blank" title="球形网架结构检测方?>球形网架结构检测方?/a></li> <li><a href="/xwzx/xwzxn/328.html" target="_blank" title="徐州网架大型构件Є现场拼?>徐州网架大型构件Є现场拼?/a></li> <li><a href="/xwzx/xwzxn/36.html" target="_blank" title="ƽ内螺栓ݭ产品6成以上出徐州网架公?>ƽ内螺栓ݭ产品6成以上出徐州网架公?/a></li> <li><a href="/xwzx/xwzxn/73.html" target="_blank" title="分享徐州网架Ԣ结构的问与?>分享徐州网架Ԣ结构的问与?/a></li> <li><a href="/xwzx/xwzxn/16.html" target="_blank" title="地震下网架结构考损伤累积Є弹塑性分?>地震下网架结构考损伤累积Є弹塑性分?/a></li> <li><a href="/xwzx/xwzxn/72.html" target="_blank" title="保证网架工程质量Є施工要?>保证网架工程质量Є施工要?/a></li> </ul> <p class="lmdh_foot"> </p> </div> <div class="lxwm" style="margin-top: 13px;"> <p class="lxwm_bt"> <a href="/lxwm/lxwmn/" rel="nofollow">쳻我们</a></p> <p class="lxwm_nr"> 董事长ϸ翟广?br /> ?ϸ13805216518(微信?<br /> 经理ϸ翟茂?br /> ?ϸ13815310072(微信?<br / ?话ϸ+86-0516-87769958<br /> ?真ϸ+86-0516-87769968<br /> ?箱ϸsys777@163.com<br /> <span style="padding-left: 51px;">xzsfwj@126.com</span><br /> QQ?05773936<br /> ?址벾州徺М山区张?br /> 轻工벛<br /> </div> </div> <div class="nymain_con"> <div class="slist_title"> <h3 class="main_bt"> 新闻中弨</h3> <span class="positions">现在的᫽是ϸ<a href="http://anneddwen.com/">??/a> >  <a href="/xwzx/xwzxn/">新闻中弨</a></span> </div> <div class="nymain_contant"> <h2 class="nybts2"> 网架琢接Ԣ板节点Є设?/h2> <h4 class="fbrqs2"> ߶间?015-08-04 作者ϸ徐州市四方特种屋盖有限公? </h4> <p>对于双向受力Є十字节͹板,设计时只需要考身平内作用力Є影响,另一方向ɛ的影响可以忽略?/p> <p>当无盖板߶,十字板节͹可按平截定进行设计。当盖板时,则应考十字节点板与盖板Є共同工作。它们之间作用力Є大小与其抗拉、抗աɈ度的比值有关?/p> <p>节点板的ա벺一般可参考平Ǣ桁架节͹板ա벺Є选择方法͉用,可ݹ据网架大内ɛ参Կ表3-12取值。对于中间节͹,可选用表中较小ա벺;对于支座节͹,可选用表中较大ա벺。然后据网架跨度、工佲׃况以及节͹构͠等Ơ素综合Կ决定。节͹板太薄쇺现焊接咬和较大Є焊接变形,也容̢成节点Є侧向屈?/p> <table width="500" border="1" cellspacing="0" bordercolor="#000000"> <tbody> <tr> <td>杆件内力(kN?/td> <td>≤150</td> <td>160-245</td> <td>260-390</td> <td>400-590</td> <td>600-880</td> <td>890-1275</td> </tr> <tr> <td>节点板厚度ֽmm?/td> <td>8</td> <td>8-10</td> <td>10-12</td> <td>12-14</td> <td>14-16</td> <td>16-18</td> </tr> </tbody> </table> <p>在焊接钢板节͹,十字节点板的中间竖向琢是节͹的关键琢,它要受两个方向节͹板传来Є应ɛ,受力情况比輩复杂。试验与分析结果表明,对于口焊Є中间竖向焊缝,˸个方向的节点板同为嵯拉或受压߶,其正截Є正应力基本¦正应ɛ方向施加Є外ɛ成比例댖,同߶正截Є剪应力较小,符向应ɛ的خ应力Ӷ怲˸个方向的节点板一向嵯拉,一向嵯ա,即节͹板传来Є应ɛ符号不同时,不论其绝对相等与否,琢中均将产生輩大的剪应ɛ。当两向施加Є拉ɛ和աɊ数值相等时,其大剪应力几乎与节点板传来的应力相等。由于对接焊缝的抗剪强度低于抗拉、抗աɼ度,Ơ而当设计一向嵯拉、一向嵯ա的十字节点板的中间竖向琢߶,剪应ɛ将成为控制Ơ素?<br /> <br /> 在设计口焊Є十字节͹板Є中间竖向焊缝时,应ݹ据两个方向节点板传来的应力符是否相同Կ区别对待〱个方向应ɛ富奥相同时,可近似地按节点板传来的大应ɛ进行焊缝强度验算,验算߶可采用对按琢、抗աɼ度设计值。当两个方向节点板传来的应力符不同߶,除按上述方法进行抗拉、抗աɼ度验算外,应验算其抗剪强度,剪应力可近似地按两个方向节点板传来的绝对最大的应力系数p,求得下列公式,即ϸ</p> <p style="text-align: center;"><img src="/UpdateFile/test/image/hj1.png" width="507" height="144" alt="" /></p> <p>杆件与十字节͹板及盖板间Є连接焊缝,一般采用角琢,在ߠ盖板的琢接Ԣ板节点中,一般采用两Ǣ侧,也可采用三ƴ焊或Lɛ琢ֽ连接强度可据角琢Є嵯剪进行V。当角焊缝只能设置在角钢尖出,背处无法施琢,此时可此ֿ勇槽焊与角琢相结合的连接方,即在角Ԣ肢尖处角焊缝基础上,在与及诶单钢板连接处Є角Ԣ上开设椭圆形Є槽孔,并沿槽孔ͨ边施加角焊?ɛ؀?以提高连接的ؿ载能力。它Є基破坏特征为沿焊缝有刴р破坏,ؿ载能力可按一般角琢进行计算?/p> <p style="text-align: center;"><img src="/UpdateFile/test/image/hj2.png" width="522" height="336" alt="" /></p> <ul class="sxp"> <li><a href="/xwzx/xwzxn/325.html">¦? 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