盈丰钢结构节点铸�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>铸钢节点相关问题说明</p><p>1.空间网格结构中杆件汇交密集、受力复杂且可靠性要求高的关键部位节点可采用铸钢节点。铸钢节点的设计和制作应符合国家现行有关标准的规定、�/p><p>2.焊接结构用铸钢节点的材料应符合现行国家标准《焊接结构用碳素钢铸件》GB 7659的规定，必要时可参照国际标准或其他国家的相关标准执行；非焊接结构用铸钢节点的材料应符合现行国家标准《一般工程用铸造碳钢件》GB／T11352的规定、�/p><p>3. 铸钢节点的材料应具有屈服强度、抗拉强度、伸长率、截面收缩率、冲击韧性等力学性能和碳、硅、锰、硫、磷等化学成分含量的合格保证，对焊接结构用铸钢节点的材料还应具有碳当量的合格保证、�/p><p style="text-align: center;"><img src="//www.znpla.com/img1/img/daily/2023/04/10/091224_099334_procont.jpg" title="091224_099334_procont.jpg" alt="宏发新时代玻璃天幕项�?_副本.jpg"/></p><p>4. 铸钢节点设计时应根据铸钢件的轮廓尺寸选择合理的壁厚，铸件壁间应设计铸造圆角。制造时应严格控制铸造工艺、铸模精度及热处理工艺、�/p><p>5. 铸钢节点设计时应采用有限元法进行实际荷载工况下的计算分析，其极限承载力可根据弹塑性有限元分析确定。当铸钢节点承受多种荷载工况且不能明显判断其控制工况时，应分别进行计算以确定�?小极限承载力。极限承载力数值不宜小�?*内力设计值的3.0倍、�/p><p>6.铸钢节点可根据实际情况进行检验性试验或破坏性试验。检验性试验时试验荷载不应小于**内力设计值的1.3倍；破坏性试验时试验荷载不应小于**内力设计值的2.0倍、�/p><p style="text-align: center;"><img src="//www.znpla.com/img1/img/daily/2023/04/10/091250_895916_procont.jpg" title="091250_895916_procont.jpg" alt="北京燕园_副本.jpg" width="654" height="671" style="width: 654px; height: 671px;"/></p><p>铸钢节点</p><p>1. 铸钢节点由于自重大、造价高，所以在实际工程中主要适用于有特殊要求的关键部位、�/p><p>2.铸钢件的材质必须符合化学成分及力学性能的要求，同时应具有良好的焊接性能，以保证与被连接件的焊接质量。当节点设计需要更高等级的铸钢材料时，可参照国际标准或其他国家的相关标准执行，如德国标准或日本标准、�/p><p>3.条件具备时铸钢件均宜进行足尺试验或缩尺试验，试验要求由设计单位提出。铸钢节点试验必须辅以有限元分析和对比，以便确定节点内部的应力分布。考虑到铸钢材料的离散性、设计经验的不足及弹塑性有限元分析的不定性，其安全系数比其他节点略有提高、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 铸钢节点相关问题说明<br /> 1.空间网格结构中杆件汇交密集、受力复杂且可靠性要求高的关键部位节点可采用铸钢节点。铸钢节点的设计和制作应符合国家现行有关标准的规定� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); 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