In order to facilitate the application of various technologies and convenient construction, the geological survey and analysis of the end, first of all to the slope of a general renovation. The depression too prominent and smooth and clear the slope soil, but not too much renovation, otherwise it will affect the stability of the slope, as long as not too can influence on construction.
Selection of the two batch of different diameter steel pipe for grouting reinforcement of steel pipe diameter is slightly larger, generally using 50mm steel pipe for drainage and reinforcement of steel pipe diameter is slightly smaller, generally use 40mm steel pipe. Grouting reinforcement steel seamless steel pipe, along the axis of every 5cm to open a pair of diameter of 4mm out of the hole, plum shaped arrangement.
The connection of the two steel pipes is connected with the lOcm long thread casing, and the joints are welded to ensure the strength and the sealing property. Steel pipe tail 100cm is not arranged within a slurry outlet hole, and the steel pipe head and a slurry outlet hole diameter increases, with 5-6mm aperture, and should be sharpened and the weld head, compacting, facilitating tube. Drainage reinforcement steel also uses seamless steel pipe, along the axis of every 5cm to open a pair of diameter of 3mm drainage hole, plum shaped arrangement.
The connection of the two steel pipes is the same as that of the grouting pipe, which is connected with a lOcm long threaded sleeve, and the joints are welded to ensure the strength and the sealing property. Steel pipe drainage holes do not set up the tail of 100cm, and the head of steel pipe drainage hole diameter increased slightly, generally use the 4mm aperture can also be sharpened and the weld head, compacting, facilitating tube. Each grouting steel pipe and steel pipe openings need a small angle steel plate welding, a barbed hole before and the protection block, for grouting and drainage, let loose soil is pressed into the steel tube.
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