Fabricated concrete beam-column self-resetting joint based on friction steel plate connection and assembling method
A concrete and self-resetting technology, applied in protective buildings/shelters, building types, buildings, etc., can solve problems such as deformation, poor energy consumption of dry connection nodes, etc., achieve high repair efficiency, enhance integrity, The effect of ensuring the bending stiffness
Active Publication Date: 2021-12-31
HARBIN INST OF TECH
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[0004] In order to solve the technical problem of how to effectively solve the technical problem of poor energy consumption of dry connection nodes and serious deformation under strong earthquakes mentioned in the above background technology, the present invention proposes a self-resetting assembled concrete beam-column based on friction steel plate connection Joints and assembly methods to realize the connection between precast concrete beams and precast concrete columns to meet the needs of actual design and construction
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[0055] Specific implementation mode one: see Figure 1-25 This embodiment will be described. The prefabricated concrete beam-column self-resetting joint based on friction steel plate connection described in this embodiment mainly includes: pre-embedded steel plate in the column ( figure 1 ), beam end embedded steel sleeve ( Figure 4 ), prefabricated reinforced concrete columns ( image 3 ), prefabricated reinforced concrete beams ( Figure 6 ), the longitudinal friction steel plate key used for connection between the two ( Figure 7 ), horizontal friction plate key ( Figure 10 ), unbonded prestressed tendon 41 ( Figure 18 ) and prestressed tendon anchor 42 ( Figure 19 ), the pre-embedded steel plates in the two columns are installed on the left and right sides of the precast concrete columns, the pre-embedded steel sleeves at the beam end are installed on the side connecting the precast concrete beam and the precast concrete column, and the transverse friction steel ...
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The invention provides a fabricated concrete beam-column self-resetting joint based on friction steel plate connection and an assembling method. Transverse friction steel plate keys of the self-resetting joint are installed on the upper side and the lower side of the end of a prefabricated concrete beam, longitudinal friction steel plate keys are installed on the upper portion and the lower portion of an embedded steel plate in a column, wherein the longitudinal friction steel plate keys and the transverse friction steel plate keys are connected at the junction of beam-column joints through rotating shaft bolts, the inner and outer plate walls of two wings of a first trapezoidal friction steel plate and a second trapezoidal friction steel plate between the longitudinal friction steel plate keys and the transverse friction steel plate keys are in close contact and are connected through anchor bolts, the unbonded prestressed tendons transversely penetrate through a whole formed by the prefabricated concrete column and the prefabricated concrete beam, and the ends of the unbonded prestressed tendons are fixed through a plurality of prestressed tendon anchorage devices. The technical problems that a dry-type connection joint is poor in energy consumption and serious in deformation under the action of a strong earthquake are solved, connection between the prefabricated concrete beam and the prefabricated concrete column is achieved, and the requirements in actual design and construction are met.
Description
technical field [0001] The invention relates to a prefabricated concrete beam-column self-resetting node and an assembling method based on friction steel plate connections, and belongs to the technical field of prefabricated concrete buildings. Background technique [0002] Since the 21st century, with the continuous development of my country's society and economy, the development speed of the construction engineering industry has been accelerating year by year, and various new buildings and structural systems have emerged. Among them, the prefabricated concrete structure has been vigorously promoted in my country in recent years due to its advantages of environmental protection, time-saving and high efficiency, and convenient construction. As the core part of prefabricated concrete structures, nodes and their connection methods have always been an important topic of research concern in the academic and engineering circles. [0003] In the traditional prefabricated concrete...
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IPC IPC(8): E04B1/21E04B1/22E04B1/58E04B1/98E04H9/02
CPCE04B1/215E04B1/22E04B1/58E04B1/98E04H9/021Y02A30/30
Inventor 王浩然李爽单思镝
Owner HARBIN INST OF TECH
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