cending which pollutes the road bed and surface water’s downing which softens the surface of the road bed, declining road border, improving drainage at the same time, which will drain the water. РAccording to the present circumstance of the diseases, concerning the sparrow construction work and the influence that construction brings to the railway transportation, the Рconstruction is implemented with temporary beam that is used in construction of road bed and mainly by men.РThe construction of road bed is difficult because of so many disturbances that railway transportation brings. So it is important to arrange construction properly, which will decreases the disturbances, shorten the project time and improve the profit.РKeywords:High-speed overload ;Base bed diseases;at mud pumping;sinking
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