Mass concrete internal bleeding water vacuum pumping discharge removal and structural anti-cracking method

The invention discloses a mass concrete internal bleeding water vacuum pumping discharge removal and structural anti-cracking method. Bleeding water of a concrete structure (4) is discharged through an internal drainage system arranged before concrete pouring, bleeding water and excessive laitance generated in the concrete pouring and compacting process is subjected to vacuumizing removal, the bleeding water is prevented from being concentrated towards the surface of concrete, the situation that an up-down bleeding water channel is formed in a mixture is avoided, the influences of setting andhardening of cement and plastic shrinkage of the concrete are overcome, layered pouring interlayer cracks, plastic deformation and plastic cracks are reduced, and settling and settling cracks are reduced; the interface strength of aggregate is improved, the bond stress between the concrete and steel bars is enhanced, the requirements for structure strength and durability are met, and the concretesurface wear resistance an