A high-ductility concrete component
By incorporating highly ductile materials, including polyvinyl alcohol fiber, polyethylene fiber, steel fiber, polypropylene fiber, silica fume, and ultrafine mineral powder, into the inner wall of the precast concrete building, an integral reinforcing network is formed, solving the problem of easy collapse of precast concrete buildings, improving crack resistance, collapse resistance, and deformation resistance, and extending service life.
CN122079549APending Publication Date: 2026-05-26HANGZHOU YANXIANG NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HANGZHOU YANXIANG NEW MATERIAL TECHNOLOGY CO LTD
- Filing Date
- 2026-03-11
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
Existing precast concrete buildings are prone to collapse, reducing safety and lacking ductility.
Method used
A highly ductile structure, including polyvinyl alcohol fiber, polyethylene fiber, steel fiber, polypropylene fiber, silica fume and ultrafine mineral powder, is installed on the inner wall of the precast concrete building body. The structure forms an integral reinforcing network through physical winding and chemical bonding.
Benefits of technology
It significantly improves the crack resistance, collapse resistance and deformation resistance of precast concrete houses, enhances toughness and impact resistance, improves the density and bonding performance of concrete, and extends service life.
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Figure CN122079549A_ABST
Abstract
This invention discloses a high-ductility concrete component, including a precast concrete house body. The inner wall of the precast concrete house body is connected to a high-ductility mechanism, which includes polyvinyl alcohol fibers, polyethylene fibers, steel fibers, polypropylene fibers, silica fume, ultrafine mineral powder, and limestone powder. This device, by incorporating a high-ductility mechanism into the inner wall of the precast concrete house body, effectively compensates for the insufficient ductility of traditional concrete components, significantly improving the overall crack resistance, collapse resistance, and deformation resistance of the precast concrete house body. The interweaving of polyvinyl alcohol fibers, steel fibers, and polypropylene fibers effectively inhibits the generation and propagation of internal cracks in the concrete, enhances the toughness and impact resistance of the component, prevents breakage due to uneven stress or external impact, extends the service life of the precast house, and improves the impermeability and frost resistance of the concrete, enhancing the adaptability of the precast house to different environments.
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