安装铁路护栏的时候需要注意什么？
铁路护栏的安装是一个相当重要的环节，因为它关系到铁路交通的安全。以下是在安装铁路护栏时需要特别注意的事项：
测量放线：首先，按照施工图测量防护栅栏支柱的位置。在遇到陡坡、凹凸不平的地段或与建筑物、铁路设备相交的地方，应采用直角拐弯形式封闭。对于建筑物和铁路设备，根据实际情况选择将其放入防护栅栏的内部或外部。
基坑开挖：确保支柱间距符合施工图的要求。开挖的基坑尺寸应满足支柱的埋深和基础的稳定性要求。
栅栏埋设：在埋设过程中，要严格检查支柱的垂直度和高度。安装前，要确保场地平整，栅栏底部距离地面的高度应为10cm，如果不满足这个要求，应进行回填处理。
焊接与变形处理：矩管边框与连接板、网片钢丝的焊接应采用电阻焊。如果使用钎焊，应选择合适的焊条以使变形最小。焊接后，应清除焊渣并对产生的变形进行平整处理。
美观性：防护栅栏应做到“严、直、齐、美”，即线路封闭严实，沿线路方向顺直，整体效果美观。
安全防护：安装人员必须具备相关的安全知识和技能，并遵守相关的安全规范和操作规程。在工作过程中，必须佩戴好安全防护用品，确保自身安全。
法兰盘定位与标高控制：对于铁路护栏，应安装法兰盘，并注意法兰盘的定位和立柱顶面标高的控制。
地形与基础考虑：对于地面纵坡大于36°的地段，应根据地形条件进行个别设计，并确保栅栏达到有效防护高度。同时，防护栅栏的基础应综合考虑地区风压、土质、冻结深度和抗冲击要求等因素。
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