Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Beam-end loading test device of beam-column joint and test method of test device

A beam-column joint, testing device technology, used in measuring devices, testing material strength using repetitive force/pulse force, instruments, etc.

Inactive Publication Date: 2017-06-23
WUHAN UNIV OF SCI & TECH
View PDF6 Cites 24 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the defects existing in the current research on the hysteretic performance of beam-column joints using a single beam-column joint column-end loading method in pseudo-static tests, and provides a beam-end loading device, which can study beam-column joints while simulating earthquake action. A beam end loading device and test method for beam-column joints in the case of plastic hinges at the end and shear resistance in the core area

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Beam-end loading test device of beam-column joint and test method of test device
  • Beam-end loading test device of beam-column joint and test method of test device
  • Beam-end loading test device of beam-column joint and test method of test device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0032] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a beam-column joint beam end loading test device includes an external frame fixing device, a specimen loading device and a data acquisition system. The external frame fixing device includes an I-shaped steel beam cap 1, an I-shaped beam 2, an I-shaped beam The first I-shaped column 3 and the I-shaped second column 4, the I-shaped steel beam cap 1 is arranged in parallel with the I-shaped beam 2, the I-shaped first column 3 and the I-shaped second column The lower end of 4 is vertically fixedly connected to both ends of the I-shaped steel beam cap 1, and the upper ends of the first I-shaped column 3 and the second I-shaped column 4 are vertical...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of reinforced concrete building testing, and particularly relates to a beam-end loading test device of a beam-column joint. The beam-end loading test device comprises an external frame fixing device, a specimen loading device and a data collection system, wherein a beam-column joint specimen is arranged on the specimen loading device; and a hydraulic oil source is controlled through a controller to adjust the vertical shift motion of a vertical actuator, so that the beam-column joint specimen is arranged in an unloaded condition. The method comprises the steps of designing parameters through a computer, controlling a jack and the vertical actuator to apply loads to the beam-column joint specimen through the controller; carrying out loading test according to the requirements until the specimen is destroyed; and collecting vertical force P(t) on the beam-column joint specimen and generated vertical displacement S(t) in the test process by a multi-channel strain collection instrument, drawing a hysteretic curve of the beam-column joint specimen and analyzing the hysteretic performance. By adopting a beam-end loading mode, the shear conditions of a beam-end plastic hinge and a core area can be researched while the earthquake action is simulated, and the beam-end loading test device is of great significance.

Description

technical field [0001] The invention belongs to the technical field of reinforced concrete building testing, and in particular relates to a beam-column joint beam end loading testing device and a testing method thereof. Background technique [0002] In the field of civil engineering, the test of hysteresis performance is very important in the study of the mechanical properties of beam-column joints. In a building structure containing beam-column joints, the mechanical performance of the joints is often relatively weak, and the hysteretic performance can reflect the seismic performance of the entire structure. The measurement of the hysteretic performance of the beam-column joints can reflect the deformation capacity, Ductility and energy dissipation capacity. [0003] At present, the research on the hysteretic performance of beam-column joints mainly adopts pseudo-static tests, which can simulate the seismic performance of joint specimens under earthquakes. However, most of...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/36
CPCG01N3/36G01N2203/0005G01N2203/0048
Inventor 杨曌刘勇李佳佳吕伟包亮王宜温晓晖
Owner WUHAN UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com