<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">膨胀螺栓，是使风管支、吊、托架固定在墙上、楼板上、柱上所用的一种特殊螺纹连接件。那么膨胀螺栓规格有哪些<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">?<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">膨胀螺栓规格表全览我们一起学习。膨胀螺栓规格表按具体制造材料不同分类如下，碳钢螺栓的等级分为<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">3.6<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">4.6<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:Arial;color:#333333">4.8<*n style="font-size:12.0pt; mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family:Arial; mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">5.6<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">6.8<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">8.8<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">9.8<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">10.9<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">12.9<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">等<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">10<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">余个等级，小数点前后的数字分别表示螺栓材料的公称*拉强度和屈强比，例如：标记<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">8.8<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">级螺栓表示材料的*拉强度达到<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">800MPa,<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">屈强比为<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">0.8<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">即其屈服强度达到<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">80<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">０ｘ<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">0.8=640MPa<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">。不锈钢螺栓的等级分为<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">45<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">50<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">60<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">70<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">80<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">，材料主要分奥氏体<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">A1<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">A2<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">A4<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">，马氏体和铁素体<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">C1<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">C2<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">****<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">，其表示方法例如<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">A2-70<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">，“<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">--<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">”前后分别表示螺栓材料和强度等级。膨胀螺栓对地面的要求当然是越硬越好，这也要看你需要固定的物件受力情况。安装在混泥土中<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">(C13-15)<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">的受力强度是在砖体中的五倍。正确安装在混泥土中的一颗<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">M6/8/10/12<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">的膨胀螺栓后，它的****不理想****大静止受力分别是<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">120/170/320/510<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">公斤。（注意啊，振动会使螺栓松动）<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes"> 

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">膨胀螺丝施工注意

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes"> 1<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、打孔深度：相关资料介绍的是膨胀管的长度，但我在具体施工中发现这个深度不够，可能给孔内杂物残留量有关，所以你****好还是比膨胀管的长度深<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">5

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">毫米左右。只要你大于或等于了膨胀管的长度，那么留在地下的膨胀螺栓的长度等于或小于膨胀管的长度。

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes"> 2 <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、膨胀螺栓对地面的要求当然是越硬越好，这也要看你需要固定的物件受力情况。安装在混泥土中<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">(C13-15)<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">的受力强度是在砖体中的五倍。

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes"> 3 <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">、正确安装在混泥土中的一颗<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">M6/8/10/12<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">的膨胀螺栓后，它的****不理想****大静止受力分别是<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">120/170/320/510<*n style="font-size:12.0pt;mso-bidi-font-size: 10.5pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">公斤。

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">膨胀螺栓执行标准

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes"> <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">一、膨胀螺丝之固定原理

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes">  <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">膨胀螺丝之固定乃是利用挈形斜度来促使膨胀产生摩擦握裹力，达到锚定效果。

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes">  <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">二、膨胀螺丝之埋入深度一般膨胀螺丝之埋入深度以其固定用螺栓径之<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">4

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">倍为计算基准，当然埋入越深其所能承受之拉力、剪力也越大，但因厂家设计时需要考虑因素含材质及锚定等问题。

<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333"><*n style="mso-*cerun:yes">  <*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">三、膨胀螺丝使用之参考依据

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">（一）混凝土之强度

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">（二）固定螺丝之强度（依材质计算之）

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">（三）膨胀螺丝之强度（厂家设计）

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">四、膨胀螺丝的强度

<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">膨胀螺丝的强度测试，以往均以油压器加压，在拉出膨胀螺丝的****大力量为其*拉强度，这种测试方法的缺点就是未能测知螺丝离开水泥的变位情况，也就是说，我们无法知道膨胀本身材料的弹性应力是在几牛顿之内，因此新型的仪器，是把拉力与变位以坐标图画出，<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial; color:#333333">Y<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt; font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial; mso-bidi-font-family:Arial;color:#333333">轴为拉力，<*n lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:Arial;color:#333333">X<*n style="font-size:12.0pt;mso-bidi-font-size:10.5pt;font-family:宋体;mso-ascii-font-family: Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;color:#333333">轴为变位（如图）当拉力上升时，变位随之*，直到水泥*裂或膨胀螺丝，拔出或拉断。此一曲线的****高点，即为****限*拉力，另外当拉力上升到某一点，如去除拉力后，变位仍能回到原处者，这一点正是膨胀螺丝本身材料的降伏点，也正是我们设计上所要的比例荷重。

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