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Partially Filled Structural Framing Assembly Nodes with Restoration

A technology for structural frame and recovery function, which is applied in the field of partially filled structural frame assembly nodes, and can solve problems such as no longer applicable and inconvenient operation of connection methods

Active Publication Date: 2020-10-27
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the partially filled steel-concrete composite structure, due to the fact that the steel opening section is partially filled with concrete, the above connection method is inconvenient to operate and is no longer applicable.

Method used

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  • Partially Filled Structural Framing Assembly Nodes with Restoration
  • Partially Filled Structural Framing Assembly Nodes with Restoration
  • Partially Filled Structural Framing Assembly Nodes with Restoration

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Such as figure 1 As shown, the partially-filled structural frame assembly node with recovery function of the present invention includes a partially-filled steel-concrete composite upper segment column 1, a partially-filled steel-concrete composite lower segment column 2 and an H-shaped steel beam 3.

[0030] Such as figure 2 , 3 As shown, the stiffeners 4 are symmetrically arranged on both sides of the web of the segmental column H-shaped steel column, and the end stiffener 5 provided at the end of the column is provided with bolt holes at the outer corners; the upper section of the H-shaped steel web is provided with a convex box The lower section of the column H-section steel web is equipped with a concave box member 10, the combination of the two can form a shear key to effectively improve the shear resistance of the column splicing; the upper and lower section columns are both set at the ends There is a vertical end plate 6, and a semi-closed structure is formed betwee...

Embodiment 2

[0036] Such as Figure 5 As shown, in this embodiment, the H-shaped steel beam 3 is connected to both sides of the column. The flanges on both sides of the upper and lower columns are pre-welded with longitudinal angle steel connectors 12 arranged along the length of the beam. The two angle limbs of the longitudinal angle steel connectors 12 and the flanges and webs of the steel beam 3 are provided with bolt holes, and the longitudinal angle steel is connected The member 12 and the flange of the steel beam 3 are connected by shape memory alloy long bolts 15 near the first row of bolt holes on the column surface, and the remaining bolt hole positions and the longitudinal angle steel connector 12 and the steel beam web are connected by high-strength bolts 16. Others are the same as in Example 1.

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Abstract

The present invention relates to the technical field of buildings. Disclosed is a partially encased structure frame assembly joint having a restoration function, comprising a partially encased steel-concrete composite upper segment column and lower segment column, and an H-shaped steel beam; a segment type partially encased steel-concrete composite column is provided with stiffening ribs symmetrically arranged on two sides of a web of an H-shaped steel column, and an open section is filled with modular concrete; the upper and lower segment columns are tensionally connected by means of the butt joint of end box type members and after steel strands penetrate through column end stiffening rib bolt holes; the H-shaped steel beam is connected to the columns by means of longitudinal angle iron connectors pre-welded to column flanges; besides, by providing members such as shape memory alloy long bolts at joint junctions, the connection reliability of joints is enhanced, and the energy dissipation and seismic mitigation capabilities of the joints are improved. The present invention can effective exert the performance of both concrete and steel materials, and have both bearing and energy dissipation capacities; moreover, the fully assembled connection can ensure the construction quality, and greatly improves the construction efficiency.

Description

Technical field [0001] The invention relates to the field of construction technology, and discloses a partially filled structural frame assembly node with a restoration function. Background technique [0002] Partially encased composite structures (PECS) are filled with concrete within the outsourcing of H-shaped steel and other open section components, and longitudinal reinforcement, stirrups and shear keys are set in the concrete according to performance requirements. The combined structure of other components. Compared with pure steel structure, the addition of concrete improves the structure’s fire resistance, torsional stiffness and other properties, and its bearing capacity and rigidity are further improved; compared with reinforced concrete structures, partially filled steel-concrete composite structures have the same bearing capacity It exhibits better ductility under stress conditions; compared with steel reinforced concrete, this structure has the advantages of higher ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/58
CPCE04B1/185
Inventor 朱立猛张春巍王悦付伟庆闫海鹏李茂高晓飞
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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