An integrally constrained segmental buckling-resistant brace with replaceable inner core
A buckling-resistant support, segmented technology, applied in the direction of earthquake resistance, protective buildings/shelters, building types, etc., can solve problems that cannot be repaired, meet the needs of functional restoration, improve efficacy and timeliness, and avoid material waste Effect
Active Publication Date: 2020-08-21
BEIJING UNIV OF TECH
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Problems solved by technology
[0008] The present invention proposes an integrally restrained segmented buckling-resistant brace with a replaceable inner core, aiming to solve the inconveniences of the existing ultra-long and heavy-duty buckling-resistant braces in the process of processing, transportation, and installation, as well as the unrepairable problems after the earthquake. disadvantages, reduce costs, improve efficacy and timeliness, and also provide more options for heavy-duty buckling-resistant supports
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[0029] Attached below Figure 1-8 , detailing the implementation of this patent.
[0030] Such as Figure 1-8 As shown, an integrally constrained segmental buckling-resistant brace with a replaceable inner core includes the following components:
[0031] 1——edge core component;
[0032] 2——The core component of the middle section;
[0033] 3——Peripheral constraining member of side section with flange;
[0034] 4——The peripheral restraint member of the middle section with flange;
[0035] 5——connection cover outside the inner core;
[0036] 6——The first high-strength bolt group;
[0037] 7——The second high-strength bolt group;
[0038] 8——End reinforcement area of side core member;
[0039] 9—the central weakened area of the inner core member of the side section;
[0040] 10——The opening connection area at the end of the inner core member of the side section;
[0041] 11——The central weakened area of the inner core component of the middle section;
[0042] 12——...
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The invention relates to an overall-restrained sectional-type buckling-restrained brace with an inner core replaceable function and belongs to the field of structural engineering. The overall-restrained sectional-type buckling-restrained brace is constituted by two edge-section inner core components, n middle-section inner core components, two edge-section periphery restraining components with flange plates, (n-1) middle-section periphery restraining components with flange plates, 2(n+1) inner core outer side connecting cover plates, a first high-strength bolt group and a second high-strengthbolt group. On the basis of the sectional assembly-type design concept, the ultra-long and ultra-heavy buckling-restrained brace is divided into a plurality of sections, and multiple inconvenience inthe machining, transporting and mounting processes of the overall-restrained sectional-type buckling-restrained brace is effectively overcome. Axial force is transmitted in a sectional jacking mode through arrangement of the inner core outer side connecting cover plates and the inner core components, plastic damage control is achieved through forming of weakening areas in the inner core components, the inner components can be pulled away and replaced only by disassembling the high-strength bolt groups and the inner core outer side connecting cover plates after an earthquake, and the disadvantage that the inner core components cannot be replaced after a traditional overall-restrained-type buckling-restrained brace is damaged is effectively overcome.
Description
technical field [0001] This patent relates to an integrally restrained segmented buckling-resistant support with a replaceable inner core, which belongs to the technical field of structural engineering. Background technique [0002] The anti-buckling support is composed of inner core member and peripheral constraining member. The inner core member bears axial pressure, and the outer member constrains the lateral displacement of the inner core member, so that its full section yields under the action of axial pressure. Since the Hanshin Earthquake in Japan and the Northridge Earthquake in the United States in the 1990s, anti-buckling braces have undergone a lot of engineering practice in some developed countries such as the United States and Japan. " and "energy dissipation under large earthquakes", making it one of the best energy-dissipating and shock-absorbing components, and it has been rapidly popularized and applied in recent years. [0003] At present, for the overall ...
Claims
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IPC IPC(8): E04H9/02E04B1/98
CPCE04H9/021
Inventor 姜子钦杨晓峰李然郭康杨忠帅
Owner BEIJING UNIV OF TECH
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