Technical operation: How to dig a trench

[BONOVO]

1, digging trenches according to the requirements to work, according to local conditions

2. Pay attention to the trend of digging trenches according to the marking line, and the deep trenches should be put down to prevent landslides

3, to pay attention to safety, there is no slope on both sides of the risk of collapse

4, digging the pipe ditch must pay attention to repair the slope, if not repair the slope can also be put down layer by layer, so that even if the collapse is not so dangerous

5, after forming the construction of the pipeline does not collapse. Trench digging is generally based on what is the soil quality, how deep to dig, and where to dig to determine the shape of the trench, sandy soil should be dug V-shaped trench, to prevent landslides, urban road excavation drainage pipe network should first play the wall protection channel steel and then excavation (mostly more than 3 meters deep trench)

6, look at this ditch is very ordinary, generally like this. But the ditch is too straight, no slope, easy to collapse, people are more dangerous below. Maybe the soil's a little hard. Maybe it's okay. If you dig such a ditch, you must dig out the slope on both sides, otherwise it will certainly collapse.

Trenching mode

(1) Riding excavation: mainly in the open area of the site, the excavator is parked in the middle of the trench to be excavated, and the bucket is dug in the middle of the two tracks.

(2) Along the side: it refers to the relatively narrow zone of the site, like the clean water channel, the bucket only digs along the track line on one side (the slope skills are needed here).

(3) Opposite type: mainly for the excavation of highway culvert pipe trenches, it means that the excavator is parked at 90 degrees opposite the ditch edge (it should be noted that when the ditch is relatively deep, the bucket cylinder may touch the ditch edge)

In short, in the process of digging trenches, the machine needs to pay special attention to digging straight, the smoothness of the slope, the control of the bottom of the ditch, etc., to choose the right way to open the ditch, in fact, it is not difficult to open the ditch.

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