Excavation of soil between the soil, we are generally in the foundation pit, also a few in the ground surface directly dug, to do this work to look for the technician to look at the pile map, to understand the distribution of the pile, the spacing, the elevator shaft, the position of the water pit, when digging, the position of the excavator, it is better to parallel with the pile, vertical or horizontal straight and then oblique. Digging from the top layer to the bottom can effectively prevent squeezing broken pile, do this work can not be anxious, as long as the pile, the site must say hello! It should be noted that sometimes it is easy to drop the chain in the mortar layer.
Brush slope, first of all to understand the top and bottom of the slope, this subgrade slope protection I feel better to do, the top of the slope are fixed, and then the drainage ditch also have edge, the slope low as long as the distance can be grasped and draining ditch can be, and then the edge teeth a little bit of scratch, pay attention not to fast, dig more and then make up no Good - looking!
Like this big slope on the map is very dangerous, to the slope from the upper down brush, do this kind of work, the first is to ensure safety, the foot of the bottle water, to ensure that the bottle does not fall, to repair the slope of the slope, brush the slope when the rotation is small, the caterpillar width is the most stable, do the action of rotation must be gentle! Often get down to see the slope, to be courageous!
With my brother's car, dig a big billboard foundation pit, under the arm, dig this kind of deep pit must not be parallel to one side crawler pit, there is a danger of collapse! Can't be careless, safety first!