2 results about "Interfacial roughness" patented technology

The present application relates to the technical field of underground building leakage treatment polishing equipment, and discloses a deformation joint interface roughness polishing device and polishing method for leakage treatment, wherein the device comprises a handheld inner-joint polishing handle and an external box, and the handheld inner-joint polishing handle comprises a polishing execution rod. In the present application, the concrete roughness evaluation is usually performed by adopting the CSP grade, the roughness grade range of the interface bonding degree of the waterproof material and the concrete is CSP2-5, the device adopts replaceable roughening grinding discs, provides type I, type II and type III roughening grinding discs, a first roughening surface is obtained by the type I grinding disc, a shallow, dense and continuous texture rough surface, and corresponds to CSP2-3, a second roughening surface is obtained by the type II grinding disc, a medium peak-valley and relatively continuous texture rough surface, and corresponds to CSP3-4, and a third roughening surface is obtained by the type III grinding disc, a deep, sparse and obvious relief texture rough surface, and corresponds to CSP4-5.

The utility model discloses a ribbed prestressed composite board, including the composite board, be provided with a plurality of longitudinal prestressed reinforcement along its length direction extension in the composite board, and along the width direction interval distribution of one side board of composite board has a plurality of rib structure along the length direction extension of composite board, the rib structure is provided with a plurality of recessed structure and convex structure alternately on one side away from the composite board. The utility model discloses the special-shaped rib formed by recessed structure and convex structure, makes the rib structure surface form the structure of the staggered height, can satisfy rigidity need, and the area of new and old concrete contact surface has been increased, and the new and old concrete adhesion is increased, the interface roughness is increased, the interface shear capacity is strengthened, prevents new and old concrete and happens the stagger of interface. At the same time, recessed structure is convenient for the pipeline of wearing and setting, and convex structure can be used for supporting top reinforcement, reduces the cost, improves construction efficiency.