一种预制高性能层合板屈曲约束高强高韧性钢板结构
By using prefabricated high-performance laminated slabs and high-strength, high-toughness steel plate structures, combined with unbonded materials and high-strength tie bolt connections, the problems of improving the seismic performance of building structures under earthquake loading and the ease of construction are solved, achieving efficient energy dissipation and vibration reduction effects and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LINYI JIANYE ENG QUALITY INSPECTION CO LTD
- Filing Date
- 2024-12-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing building structures are prone to severe damage under earthquake loads. Energy-dissipating braces and steel plate shear walls have problems such as complex construction, high cost, and susceptibility to corrosion, making it difficult to effectively improve seismic performance.
The structure employs prefabricated high-performance laminated slabs and high-strength, high-toughness steel plates. By injecting unbonded material into the interface and connecting with high-strength tie bolts, a dual energy-dissipating and vibration-damping mechanism of high-toughness steel plates and concrete is achieved. Factory prefabrication and on-site assembly avoid buckling constraint differences and improve the lateral stiffness and load-bearing capacity of the structure.
It achieves efficient energy dissipation and vibration reduction, improves the seismic performance of the structure and the convenience of construction, reduces costs, and has good fire resistance and durability. It is suitable for new construction or reinforcement of frame structures.
Smart Images
Figure CN224514550U_ABST
Abstract
Claims
1. A precast high-performance laminated buckling-restrained high-strength and high-ductility steel plate structure, characterized by, The product includes a precast high-performance laminate (1), a high-strength and high-toughness steel plate (2), and an unbonded material (3). The precast high-performance laminate (1) is made by laying a high-strength steel wire mesh (1-2) in high-performance concrete (1-1). The unbonded material (3) is poured into the bonding interface between the high-strength and high-toughness steel plate (2) and the precast high-performance laminate (1). The high-strength and high-toughness steel plate (2) is provided with unbonded material (3) on both sides. The upper and lower layers of the precast high-performance laminate (1), the unbonded material (3), and the high-strength and high-toughness steel plate (2) are connected and fixed by high-strength tie bolts (4).
2. The buckling-restrained high-strength and high-ductility steel plate structure of the prefabricated high-performance laminated slab according to claim 1, characterized in that, The thickness of the prefabricated high-performance laminate (1) is not less than 35mm, and its height and width should be adjustable according to the actual use scenario. When the thickness of the prefabricated high-performance laminate (1) is not greater than 70mm, only one high-strength steel wire mesh (1-2) is laid at 1 / 2 thickness of the prefabricated high-performance laminate (1). Otherwise, multiple high-strength steel wire meshes (1-2) should be evenly set along the thickness direction.
3. The buckling-restrained high-strength and high-ductility steel plate structure of the prefabricated high-performance laminated plate according to claim 1, characterized in that, The high-performance concrete (1-1) in the precast high-performance laminate (1) can be ultra-high performance concrete or high ductility concrete; the yield strength of the material used in the high-strength steel wire mesh (1-2) is not less than 1200MPa.
4. The buckling-restrained high-strength and high-ductility steel plate structure of the prefabricated high-performance laminated slab according to claim 1, characterized in that, The high-strength and high-toughness steel plate (2) has a yield strength of not less than 600MPa and a thickness of not less than 6mm. Its height and width are consistent with those of the prefabricated high-performance laminated plate (1). The high-strength and high-toughness steel plate (2) has multiple bolt holes (2-1) at equal intervals along the height and width directions. The diameter of the bolt holes (2-1) is 1~2mm larger than the diameter of the bolt rod (4-1).
5. The prefabricated high-performance laminated plate buckling-restrained high-strength and high-toughness steel plate structure according to claim 1, characterized in that, When the prefabricated high-performance laminate (1) is manufactured, a connecting hole (1-3) with a diameter basically the same as that in the bolt hole (2-1) in the high-strength and high-toughness steel plate (2) is reserved at the corresponding position. The bolt (4-1) passes through the bolt hole (2-1) and the connecting hole (1-3) to connect the prefabricated high-performance laminate (1) and the high-strength and high-toughness steel plate (2). The prefabricated high-performance laminate (1) and the high-strength and high-toughness steel plate (2) are fixed in relative position by a high-strength nut (4-2). The high-strength nut (4-2) leaves a grouting gap of 3~5mm at its contact interface.
6. The prefabricated high-performance laminated plate buckling-restrained high-strength and high-toughness steel plate structure according to claim 1, characterized in that, The unbonded material (3) is injected into the grouting joint reserved at the interface between the precast high-performance laminate (1) and the high-strength and high-toughness steel plate (2). The unbonded material (3) is micro-expansion mortar, high-strength grouting material, and self-compacting mortar.