First, let's understand the construction enclosure. The main function of construction enclosure is to isolate the construction site from the external environment and make the construction site a relatively closed space, so as to ensure the smooth progress of construction and avoid pedestrians entering by mistake and safety accidents.

施工围挡的结构包括选择各种砌体材料砌筑围护结构，选择各种成形的板材以形成一个整体。保护体通常采用机械膨胀螺栓和化学螺纹检测，将柱底部的钢基板固定在下部底座中心，均匀分布，砖石或混凝土浇筑的下部底座是由土木工程建造的。

The construction enclosure structure includes the selection of various masonry materials to build the enclosure structure, and the selection of various formed plates to form a whole. The protective body is usually detected by mechanical expansion bolts and chemical threads. The steel base plate at the bottom of the column is fixed in the center of the lower base and evenly distributed. The lower base of masonry or concrete pouring is built by civil engineering.

还有一种方法就是将立柱的钢衬直接埋入墙内，直墙体的维修周期得以正式建造;或者将预制嵌入件放置在壁面上，柱的钢衬应与埋置的部分电熔焊接。设置时一定要要注意直线和水平线。

Another method is to bury the steel lining of the column directly into the wall until the maintenance cycle of the wall can be formally built; Alternatively, the prefabricated inserts shall be placed on the wall, and the steel lining of the column shall be electrofusion welded with the embedded part. Be sure to pay attention to straight lines and horizontal lines when setting.

另外，为保证在护栏装置完成后，确保上端和下端的平直度在直线区间内，要采用上下两条平行线对基准进行调整。柱与钢衬里之间的间距必须与规划尺度一致，以确保预组装的半成品可以与它连接。

In addition, in order to ensure that the straightness of the upper and lower ends is within the straight-line interval after the completion of the guardrail device, the upper and lower parallel lines shall be used to adjust the benchmark. The dimension of the pre assembled steel column must be consistent with that of the pre assembled steel column to ensure that it can be connected with the finished steel column.

要注意的是，在现场施工中，只有护栏和立柱的横向衬砌需要连接和固定。所以在离开工厂之前，安装和连接护栏的横向和刚性钢衬里一定要各种轴承点的加固配件。

It should be noted that during site construction, only the transverse lining of guardrail and column needs to be connected and fixed. Therefore, before leaving the factory, the transverse and rigid steel lining of the guardrail must be reinforced with various bearing points.

为营造武汉市整洁、清爽、干净、美丽的城市形象，将武汉创建成更的文明城市，在当前大力建设发展的重要时期，推进市政道路施工围挡及围挡广告提质提档，非常重要。

In order to create a clean, refreshing, clean and beautiful city image of Wuhan and build Wuhan into a more advanced civilized city, it is very important to promote the comprehensive improvement of municipal road construction fence and fence advertising in the important period of vigorous construction and development.

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