RU95116470A - UNDERFLOWING PILES - Google Patents

Claims (1)

Installation for immersion of piles by pressing in, including a crane, front and rear frames with retractable hydraulic supports, a pile mast, a loader with a cable-block system of pressing in and a load, characterized in that it is equipped with a rigid plate fixed to the running gear of the crane, for example, by means of stop beams located with a gap above the chassis, with the ability to move along the chassis by 2m, the dimensions of which must satisfy the conditions:

b ≥ a - 2m,

where a and b are the length and width of the plate, m;
Q _{about b Щ} - the total weight of the installation, including the chassis, but without the weight of the plate, kN;
Q _{p . p} , Q _{g p} , Q _p , Q _{s . p} , Q _{c in} , Q _{p l} - the weight, respectively, of the front frame with a pile mast and a loader, a load, the rotary part of the crane, the rear frame, piles, plates, kN;
l _{p p} , l _{g p} , l _{c in} , l _p , l _{s . p} is the distance from the axis of rotation of the crane to the center of gravity, respectively, of the front frame with a pile mast and loader, weights, piles, the rotary part of the crane, the rear frame, m;
m is the maximum allowable displacement of the center of the plate from the axis of rotation of the crane, m;
R is the permissible pressure on the soil of the construction site, kN / m ² .