地埋示蹤線鋪設注意要點

Key points to pay attention to when laying underground tracer lines

　　1.使用時注意示蹤線的放線長度，用多少放多少，不能將示蹤線一次性全部倒出來。

1. When using, pay attention to the length of the tracer line, use as much as you want, and do not pour out all the tracer lines at once.

　　2.地埋示蹤線隨管一起進入定向鉆孔時,要有人看管，避免示蹤線打結、或纏繞在一起。

When the buried tracer line enters the directional drilling hole together with the pipe, someone should be watching to prevent the tracer line from getting tangled or tangled together.

　　3.比較好有一個簡單的放線架，把示蹤線固定在放線架上，讓示蹤線和管材同時拖動。

3. It is better to have a simple cable rack, fix the tracer line on the rack, and drag both the tracer line and the pipe at the same time.

　　4.在拖管的過程中，示蹤線不能被小樹叢或其它障礙物絆掛，避免示蹤線被拉斷。

During the process of dragging the pipe, the tracking line should not be tripped by small trees or other obstacles to avoid being pulled apart.

　　5.示蹤線和管材頂部要捆扎牢固，避免管材在穿越時示蹤線脫落。如果示蹤線要出地表面，需適當多預留一定的長度。建議出地后的示蹤線預留長度為1.5米左右，以備探測使用。

5. The tracer line and the top of the pipe should be securely tied to prevent the tracer line from falling off when the pipe passes through. If the tracer line needs to leave the ground surface, a certain length should be reserved appropriately. It is recommended to reserve a length of about 1.5 meters for the tracer line after leaving the site for detection purposes.

　　6.示蹤線在定向鉆使用過程中，不能有接頭。

During the use of directional drilling, the tracer line should not have any joints.

　　7.在非開挖工程施工中，PE管道外面的地埋示蹤線在拖管過程中容易被扯斷，簡便的辦法是選擇截面積更大、強度更高的導線或鋼絲繩，或者在管道的內部預穿一條示蹤線即可避免斷線，其探測效果如同在外面一樣，但這樣做時需處理好內部示蹤線頭與外面示蹤線連接的問題。

7. In non excavation engineering construction, the buried tracer line outside the PE pipeline is prone to breakage during the dragging process. A simple method is to choose a larger cross-sectional area and higher strength wire or steel wire rope, or pre thread a tracer line inside the pipeline to avoid breakage. The detection effect is the same as outside, but when doing so, it is necessary to handle the problem of connecting the internal tracer line head to the external tracer line.

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