推荐回答(3个)
1、材干挂法又名空挂法。是目前墙面装饰中一种新型的施工工艺。该方法以金属挂件将饰面石材直接吊挂于墙面或空挂于钢架之上,不需再灌浆粘贴。其原理是在主体结构上设主要受力点,通过金属挂件将石材固定在建筑物上,形成石材装饰幕墙。
2、大理石横向接缝后安装横向的角钢架:确定广告牌要安装的位置,在固定点处将石材整块取下,用角钢焊接将广告架固定。广告架必须用30以上的角钢和钢构部分相连,定位时尽量让广告架能遮住取下石材所留的空。

扩展资料:
1、明确安装顺序:立柱吊装→广告牌骨架安装→广告牌牌面安装→零星组件安装。
2、基础复查:安装前安排相关技术人员对基础进行测量复核,检查内容包括:基础平面要平整,不能有裂纹、蜂窝、露筋等现象;基础的横向中心线和纵向中心线要垂直;基础外形尺寸偏差不大于20mm。
3、安装车要选好安装位置,以地质条件稳定和不伤害绿化为准则;起吊高度不宜过高或过低,以吊装固件的高度和安装需要适度调整;用缆风绳调整立柱的垂直度,杜绝人员靠近调整,出现安全隐患;经纬仪校验安装垂直度小于10mm。
4、广告牌牌面的安装除了要注意吊装过程中的安全问题,还要注意焊接的牢固性,以及连接处的防腐工作;吊装提升过程中要注意调整广告牌骨架是否倾斜,不断调整,直至到安全位置为止,整个过程由专人指挥,并配以哨子统一作业。
5、按图将灯架及其它构件安装完成。
干挂大理石墙面上安装广告牌的步骤如下:
第一步骤:大理石横向接缝后安装横向的角钢架;
第二步骤:确定广告牌要安装的位置;
第三步骤:在固定点处将石材整块取下;
第四步骤:用角钢焊接将广告架固定。
【注意】:广告架必须用30以上的角钢和钢构部分相连,定位时尽量让广告架能遮住取下石材所留的空。
这种情况只能在大理石上挖洞..但是挖洞一定要在广告牌的后面,也就是安上后这个洞是被广告牌遮盖住的..里面固定角铁
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