基坑臨邊護欄廣泛應(yīng)用于建筑施工四邊,主要用于隔離和防護,防止意外發(fā)生。在工地施工中安裝基坑臨邊護欄時為了更好的保護一些施工人員的，而且安裝基坑臨邊護欄是規(guī)定要求必須安裝，它能防止施工人員發(fā)生意外事件，它不僅保護施工人員并且起到了警示作用。

The side fence of foundation pit is widely used in the four sides of construction, mainly for isolation and protection to prevent accidents. In order to better protect the safety of some construction personnel when installing the foundation pit edge guardrail in the construction site, and the installation of the foundation pit edge guardrail is required by the national regulations. It can prevent the construction personnel from accidents. It not only protects the construction personnel but also plays a warning role.

基坑挖超2米以上基坑周邊按照要求必須安裝基坑臨邊護欄網(wǎng)，基坑臨邊護欄網(wǎng)的高度是1.2米寬度不超過2米，保證基坑臨邊護欄從任何方向都能經(jīng)受住1KG的外力并且不會出現(xiàn)變形或者斷開。臨邊護欄網(wǎng)的顏色一般是黃黑或者是紅白相間的警示顏色，并且有“禁止跨越”、“注意”等標語。現(xiàn)在基坑臨邊護欄已經(jīng)被工地大量使用，它安裝方便并且可以重復使用，是工地防護的必需品。

The foundation pit edge fence must be installed around the foundation pit when the foundation pit is excavated more than 2 meters. The height of the foundation pit edge fence is 1.2 meters and the width is not more than 2 meters, so as to ensure that the foundation pit edge fence can withstand the external force of 1KG from any direction and will not be deformed or broken. The color of the edge fence is generally yellow and black or red and white warning color, and there are slogans such as "No Crossing" and "Pay Attention to Safety". At present, the side fence of the foundation pit has been widely used on the construction site. It is easy to install and can be reused. It is a necessity for the safety protection of the construction site.

基坑臨邊護欄生產(chǎn)與施工

Production and construction of foundation pit edge guardrail

1、基坑臨邊護欄采用鋼管欄桿及欄桿柱均采用Φ48*3.5mm的管材，以扣件或電焊固定。

1. Steel pipe railings and balustrades are used for the side guardrails of the foundation pit Φ 48 * 3.5mm pipes are fixed with fasteners or electric welding.

2、防護欄桿由二道橫桿及欄桿柱組成，上橫桿離地高度為1.2米，下橫桿桿離地高度為0.6米，立桿總長度1.7米，埋入地下0.5米，立桿間距2米，每隔4米立桿設(shè)置一C15混凝土塊基礎(chǔ)，砼基礎(chǔ)尺寸為0.3×0.3×0.5米，立桿居中設(shè)置。

2. The protective railing is composed of two cross bars and balusters. The height of the upper cross bar from the ground is 1.2 meters, the height of the lower cross bar from the ground is 0.6 meters, the total length of the upright bar is 1.7 meters, buried in the ground is 0.5 meters, and the spacing of the upright bar is 2 meters. A C15 concrete block foundation is set every 4 meters, and the concrete foundation size is 0.3 × zero point three × 0.5m, the upright is set in the middle.

3、所有護欄用紅白油漆刷上醒目的警示色，鋼管紅白油漆間距為20CM，基坑西側(cè)按刷坡設(shè)一4米寬的通道，并懸掛提示標志，護欄周圍懸掛“禁止翻越”、“當心墜落”等禁止、警告標志。

3. All guardrails are painted with red and white paint with striking warning colors. The spacing between red and white paint of steel pipes is 20cm. A 4m wide safety passage is set on the west side of the foundation pit according to the slope, and warning signs are hung around the guardrail, such as "No Crossing", "Beware of Falling" and other prohibition and warning signs.

4、防護欄桿必須自上而下用立網(wǎng)封閉,立網(wǎng)封閉到磚墻頂面高度。在欄桿下邊設(shè)置嚴密固定的高度為30厘米的24磚墻，砂漿抹面。

4. Protective railings must be closed with safety vertical net from top to bottom, and the safety vertical net shall be closed to the top of the brick wall. A tightly fixed 24 brick wall with a height of 30 cm shall be set at the lower side of the railing, and the mortar shall be plastered.

5、基坑周圍應(yīng)明確警示堆放的鋼筋線材不得超越基坑邊3米范圍警戒線，基坑邊警戒線內(nèi)嚴禁堆放一切材料。

5. Clear warning shall be given around the foundation pit that the reinforcement wires stacked shall not exceed the warning line within 3 meters of the foundation pit, and all materials shall not be stacked within the warning line of the foundation pit.

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