Prestressed hollow slab reinforcing method

• Main Authors: LIU WANYU, HU YINGPING, GU BIN, SHEN DAN, CHEN BAOMIN, ZHANG MENG, SUN JIANPENG, ZHU XIANGMING, DING HAOYUE, MAO HUANDA
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

The invention provides a prestressed hollow slab reinforcing method which solves the problems that existing decoration needs to be destroyed in a large range and actual construction and installation are inconvenient in traditional reinforcing methods such as section increasing, carbon fiber cloth pasting and flat steel pasting, and the method mainly comprises the steps that S1, a decoration surface layer of an existing building is locally chiseled away and treated to a structural base layer of the existing building; s2, steel angles are additionally arranged on the periphery of the corresponding prestressed hollow slab, the adjacent steel angles are spliced into a whole after 45-degree corner cutting is conducted on the end portions of the adjacent steel angles, the steel angles are fixedly connected with an original concrete beam through a plurality of anchor bolts, and glue pouring and compacting are conducted on anchor bolt holes; s3, steel plate supports are additionally arranged on the inner sides of the