臨邊護欄全(quan)部由鋼結構組成。鋼材采用(yong)標準材料，制作嚴(yan)格(ge)按圖施工，尺(chi)寸正確(que)，焊接點牢(lao)固(gu)，達到防護之目的(de)，臨邊護欄下部檔架板采用(yong)黃、黑(hei)間隔(ge)

The edge guardrail is entirely composed of steel structures. The steel is made of national standard materials, constructed strictly according to the drawings, with correct dimensions and firm welding points to achieve safety protection. The lower bracket plate of the edge guardrail is separated by yellow and black intervals

基坑(keng)護欄由防護網片(pian)和立(li)柱組(zu)成(cheng)。基坑(keng)圍擋護欄防護網片(pian)由2cm×4cm方管(guan)焊接(jie)組(zu)成(cheng)，單片(pian)尺寸1.1米(mi)(mi)×1.7米(mi)(mi)，兩端(duan)設(she)有跨(kua)耳用Φ10螺栓(shuan)與(yu)立(li)柱連(lian)接(jie)固定，跨(kua)耳與(yu)上下邊緣(yuan)距離(li)為15cm。

The foundation pit guardrail is composed of protective mesh and columns. The protective mesh of the foundation pit fence is composed of 2cm x 4cm square pipes welded together, with a single piece size of 1.1 meters x 1.7 meters, and two ends are equipped with cross ears for use Φ 10 bolts are used to connect and fix the column, with a distance of 15cm between the ear and the upper and lower edges.

立柱采用8cm方管(guan) 高度(du)1.3m，底部(bu)有法(fa)蘭（8mm×15cm×15cm鋼(gang)板）每個法(fa)蘭盤設4個螺(luo)栓孔、頂部(bu)封閉(bi)，與地面(mian)用Φ14膨脹螺(luo)栓固定。

The column adopts an 8cm square tube with a height of 1.3m, and has a flange at the bottom (8mm x 15cm x 15cm steel plate). Each flange is equipped with 4 bolt holes, and the top is closed. It is connected to the ground Φ Fix with 14 expansion bolts.

安裝(zhuang)后(hou)，護欄(lan)上邊(bian)與立(li)柱平齊(qi)，下邊(bian)距地面20cm，兩立(li)柱間(jian)距2米.所使用原材料均采(cai)用標準材料，制(zhi)作嚴格按圖施工(gong)，尺寸正確，焊接點牢固(gu)，達到防護之目的。

After installation, the upper edge of the guardrail is flush with the column, and the lower edge is 20cm from the ground. The distance between the two columns is 2 meters. The raw materials used are all national standard materials, and the construction is strictly in accordance with the drawings. The dimensions are correct, and the welding points are firm, achieving the purpose of safety protection.

網片設計為黃色、立(li)柱為紅色，均為噴(pen)繪，以達到紅白相間的警示效果。網片網格為50*50mm，鋼絲(si)直(zhi)徑為3.5mm。

The screen design is yellow, and the pillars are red, all painted to achieve a red and white warning effect. The mesh size is 50 * 50mm, and the diameter of the steel wire is 3.5mm.

可移動(dong)基坑護(hu)欄100米(mi)，固(gu)(gu)定護(hu)欄1361米(mi)，基坑圍擋護(hu)欄可移動(dong)護(hu)欄與(yu)固(gu)(gu)定護(hu)欄尺寸一致兩端(duan)固(gu)(gu)定處加(jia)20cm三角支撐。支撐穩固(gu)(gu)，8cm方(fang)管支撐。

The movable foundation pit guardrail is 100 meters long, and the fixed guardrail is 1361 meters long. The movable and fixed guardrails of the foundation pit enclosure guardrail have the same size as the fixed guardrail, and a 20cm triangular support is added at both ends of the fixed position. Stable support, supported by an 8cm square tube.

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