BRIDGE ASSEMBLY METHOD Russian patent published in 2017 - IPC E01D15/14 

FIELD: construction.

SUBSTANCE: once the bridge is moored to the shore, it is fixed, all the openings of the pontoon sections are simultaneously opened to fill the internal cavities of the pontoon sections with water until the upper surfaces are lowered below the water level to the depth of the half of the infantry fighting vehicle (IFV) wheel, after which the openings are closed. At the bridge ends, light sources closed from above are installed. After the crossing of the military vehicles, the bridge is dismantled, the pouring openings of the pontoon sections are opened, the water is poured out, and the openings are closed.

EFFECT: increasing the efficiency of works to ensure the bridge invisibility by immersing the pontoon bridge sections under water, their subsequent connection with each other; the descent and connection of the pontoon sections are carried out at night, on water, along the river bank; the bridge end located downstream of the river is attached with an axial hinge to the bank, and the bridge end located upstream of the river is detached from the bank and moved to the opposite bank.

2 dwg