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Prestressed full-dry type connection assembly type concrete frame beam-column joint

A technology of beam-column joints and prefabricated concrete, which is applied in the direction of architecture and building construction, can solve the problems of high cost of energy-consuming devices and inconvenient construction, etc., achieve strong energy-dissipating capacity, reduce the reinforcement ratio of stirrups, reduce stretching effect

Pending Publication Date: 2021-07-13
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of hybrid joint needs to install energy-dissipating steel bars or special energy-dissipating devices, which is not convenient for construction, and the cost of special energy-dissipating devices is also high

Method used

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  • Prestressed full-dry type connection assembly type concrete frame beam-column joint
  • Prestressed full-dry type connection assembly type concrete frame beam-column joint
  • Prestressed full-dry type connection assembly type concrete frame beam-column joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A prestressed full-handed connection assembled concrete frame beam column node, such as Figure 1 ~ 5 As shown, including prefabricated concrete columns 1, prefabricated concrete beams 2, prestressed ribs 3, plus axis 4, gap 5, and energy consumption 6.

[0046] The pre-concrete column 1 and the preform beam 2 thereof are passed through the pre-stress hole 7 provided in the inner interior of the three, forming a full drying connecting beam node. The prefabricated concrete beam 2 is perfused between the high-strength mortar 9 between the prefabricated concrete beam 2 and the prefabricated concrete column 1. The pre-concrete beam 2 is longitudinally run through a plurality of conventional steel bars 6, and the energy consuming ordinary steel bib 6 does not directly anchor in the beam end by bending form. Prefabricated concrete beam 2 is provided with a plus 4 in the end edge of the prefabricated concrete column 1, the plus 4 length is 0.8 to 1.2 times the prefabricated concret...

Embodiment 2

[0048] A prestressed full-handed connection assembled concrete frame beam column node, such as Figure 6 ~ 10 As shown, including prefabricated concrete columns 1, prefabricated concrete beams 2, prestressed thumbers 3, plus 4, and energy consumption ordinary steel bars 6.

[0049] The pre-concrete column 1 and the preform beam 2 thereof are passed through the pre-stress hole 7 provided in the inner interior of the three, forming a full drying connecting beam node. The prefabricated concrete beam 2 is perfused between the high-strength mortar 9 between the prefabricated concrete beam 2 and the prefabricated concrete column 1. The pre-concrete beam 2 is longitudinally run through a plurality of conventional steel bars 6, and the energy consuming ordinary steel bib 6 does not directly anchor in the beam end by bending form. The prefabricated concrete beam 2 is provided with a plus 4, and the plus 4 length is 0.8 to 1.2 times the prefabricated concrete beam 2 beam. The pre-stretcular ...

Embodiment 3

[0051] A prestressed full-handed connection assembled concrete frame beam column node, such as Figures 11-15 As shown, including prefabricated concrete column 1, prefabricated concrete beam 2, prestressed rib 3, gap 5, and energy consumption ordinary steel 6.

[0052] The pre-concrete column 1 and the preform beam 2 thereof are passed through the pre-stress hole 7 provided in the inner interior of the three, forming a full drying connecting beam node. The prefabricated concrete beam 2 is perfused between the high-strength mortar 9 between the prefabricated concrete beam 2 and the prefabricated concrete column 1. The pre-concrete beam 2 is longitudinally run through a plurality of conventional steel bars 6, and the energy consuming ordinary steel bib 6 does not directly anchor in the beam end by bending form. Prefabricated concrete beam 2 top surface top surface 5, the distance of the gap 5 to the prefabricated concrete beam 2 beam is 0.8 to 1.2 times the preform of the prefabricat...

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Abstract

The invention discloses a prestressed full-dry type connection assembly type concrete frame beam-column joint. The prestressed full-dry type connection assembly type concrete frame beam-column joint comprises a prefabricated concrete column, prefabricated concrete beams and prestressed tendons. The prefabricated concrete column and the prefabricated concrete beams on the two sides of the prefabricated concrete column are tensioned and pressed through the prestressed tendons penetrating through a beam-column joint area, and the full-dry type connection beam-column joint is formed. Longitudinal energy-consuming steel bars on the upper portions and the lower portions of the prefabricated beams do not pass through a joint column section of the prefabricated concrete column and are directly anchored at the beam ends in the modes of bending, anchoring plates and the like. According to the beam-column joint, under the earthquake action, plastic hinge outward movement is achieved through special structure measures near the ends of the prefabricated concrete beams, and structural damage is made to be away from beam-column joints. Accordingly, the joint connecting structure is simplified, the assembly type concrete frame structure mounting efficiency is improved, and the structural stress performance is improved.

Description

Technical field [0001] The present invention relates to the field of construction engineering assembly, which specifically involves a prestressed full dry connection to assembled concrete frame beam column node. Background technique [0002] The prefabrication rate of assembled frame structures is high, production, and efficiency of production and construction are more suitable for structural industrialization. Currently, a well-known prefabricated assembly framework structure mainly has conventional prefabricated beam column nodes wet connection assembly framework structures and node dry connection prestressed assembly frame structures. Wet connections are connected by steel lap and a small amount of cast-in-situ concrete. The dry connection does not use the current pouring concrete, only by welding, bolt, post-prestressed ribs or trenches. Currently, in the seismic assembled concrete frame structure, the dry connection application of the wet connection and the post-standing pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/21E04B1/22
CPCE04B1/21E04B1/22
Inventor 杨辉郭正兴
Owner JIANGSU UNIV OF SCI & TECH
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