围挡安装方法及施工:施工围挡通常用于道路改造，建设，楼盘现场施工及房地产项目，围挡主体结构为钢结构，多数情况下以角钢焊接的方笼为主立柱，在一些特殊路段也有用矩形管、球形网件等连接，地基浇筑大小受施工现场土质、受风大小影响。面板部分主要用镀锌板封面，还有部分用彩钢板，此种工艺围挡高度2~8米，画面及照明设施，一般与甲方协商，喷涂企业名称、安全、质量、文明施工用语及开发项目商业广告，严禁张贴、涂写垃圾广告。彩钢围挡效率高、机动灵活，快速拆装简单快捷牢固。全新环保，可反复拆装使用，甚至可100%回收利用。占用空间小，使用寿命长，经济实用、很有效的降低了工程围挡建设的成本。施工围挡采用钢管及彩钢板等材料，具体施工方法如下：

　　Installation method and construction of enclosure: Construction enclosure is usually used for road renovation, construction, on-site construction of real estate projects, and real estate projects. The main structure of the enclosure is a steel structure, and in most cases, square cages welded with angle steel are used as the main columns. In some special sections, rectangular pipes, spherical mesh and other connections are also used. The size of the foundation pouring is affected by the soil and wind conditions at the construction site. The panel is mainly covered with galvanized sheet metal, and some parts are made of color steel plates. This process has a fence height of 2-8 meters, and the image and lighting facilities are generally negotiated with the party A. The company name, safety, quality, civilized construction language, and commercial advertisements for the development project are sprayed, and it is strictly prohibited to post or write garbage advertisements. The color steel fence has high efficiency, flexible maneuverability, and is easy, fast, and sturdy to disassemble and assemble quickly. Brand new and environmentally friendly, can be disassembled and reused repeatedly, and even 100% recyclable. Small space occupation, long service life, economical and practical, effectively reducing the cost of engineering enclosure construction. The construction fence is made of materials such as steel pipes and color steel plates. The specific construction method is as follows:

　　(1)使用的材料：直径80*80壁厚0.8mm钢管、黑黄板、20*50U型槽横管、厚度为0.3-0.5mm彩钢板，斜撑和背撑。

　　(1) Materials used: steel pipe with a diameter of 80 * 80 and a wall thickness of 0.8mm, black yellow plate, 20 * 50U groove horizontal pipe, color steel plate with a thickness of 0.3-0.5mm, slant support and back bracing.

　　(2)立柱及横杆的设置：沿施工区及临舍周边每3.15米设置一根立柱，要求立柱为80*80壁厚0.8钢管，每支长2.5米。立柱下座为50cm×50cm×50cm的C25砼基础，钢柱底板四角采用膨胀螺栓与混凝土基础连接固定。

　　(2) The setting of columns and crossbars: One column is set every 3.15 meters along the construction area and the surrounding area of the temporary building. The columns are required to be 80 * 80 steel pipes with a wall thickness of 0.8, and each column is 2.5 meters long. The lower seat of the column is a C25 concrete foundation of 50cm × 50cm × 50cm, and the four corners of the steel column bottom plate are connected and fixed to the concrete foundation with expansion bolts.

　　(3)挡墙的设置：首先用彩钢板和U型槽管组成框架，在长向加设一道横撑，将彩钢板用自攻螺丝固定在U型槽架上，要求必须牢固;然后用8#镀锌铁丝将做好成片的彩钢围挡固定在横杆上;为防止大风影响，考虑每片彩钢围挡间隔10cm，以增加围挡墙的整体抗风性。

　　(3) The setting of the retaining wall: Firstly, a frame is composed of color steel plates and U-shaped groove pipes. A transverse brace is added in the longitudinal direction, and the color steel plates are fixed to the U-shaped groove frame with self tapping screws, which must be firm; Then use 8 # galvanized iron wire to fix the finished color steel fence on the crossbar; To prevent the impact of strong winds, consider spacing each piece of color steel fence by 10cm to increase the overall wind resistance of the fence wall.

　　(4)围挡的支撑：为了围挡墙的牢固性，防止被风吹倒，每间隔6m设置一道钢管斜撑;斜撑上部用架扣固定在顶层横杆上，底部将底板用膨胀螺丝固定。

　　(4) Support of enclosure: a steel pipe slant support is set every 6m to ensure the firmness of the enclosure wall and prevent it from being blown down by the wind; The upper part of the slant support is fixed on the cross bar of the top layer with a frame buckle, and the bottom plate is fixed with expansion screws.

　　(5)围挡施工完毕，板与板之间衔接平顺，直线要在一条直线上;板与板不得留有缝隙，即在场外不能看见场内施工。围挡沿线设置红灯或者隔断用安全反光锥用于夜间警示。

　　(5) After the fence construction is completed, the connection between the boards should be smooth, and the straight line should be on the same straight line; There must be no gaps between the boards, meaning that construction cannot be seen from outside the site. Red lights or safety reflective cones are set up along the perimeter fence for nighttime warning.

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