Bracing Roller Absorbs Lateral Stress in Structural Load Testing
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Solution Overview
Problem
Conventional apparatuses for testing load bearing strength of architectural structures in fire simulating sites often suffer from damage due to lateral horizontal stress, especially when structures are not vertically aligned or deformed, leading to frequent repairs and increased damage during column-beam composite structure testing.
Innovation Solution
The apparatus incorporates a bracing member with rollers that slidably abut against a peripheral wall of the bottom holding assembly to absorb lateral horizontal stress, protecting the hydraulic cylinders and allowing for accurate testing of load bearing strength under compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional apparatuses without bracing members are used to test load bearing strength, then the testing capability is provided, but the hydraulic cylinders are damaged frequently due to lateral horizontal stress
Solution Approach 1:
The bracing member acts as an intermediary component between the holding assembly and the hydraulic cylinder. It absorbs lateral horizontal stress through its bracing rollers that slide along the peripheral wall, preventing this stress from being transmitted to the hydraulic cylinder, thus protecting the cylinder from damage while maintaining the testing functionality
Solution Approach 2:
The apparatus is segmented into functional components: the holding assembly for supporting the structure, the bracing member for absorbing lateral stress, and the hydraulic cylinder for applying axial load. This segmentation allows each component to perform its specific function independently, with the bracing member specifically handling lateral stress to protect the hydraulic cylinder
2Adaptability or versatility
If the apparatus is used to test column-beam composite structures, then comprehensive testing capability is achieved, but lateral horizontal stress increases causing more frequent damage
Solution Approach 1:
The bracing member converts the harmful lateral horizontal stress into a beneficial sliding motion of the bracing rollers along the peripheral wall. By allowing controlled sliding, the apparatus accommodates the lateral stress generated during composite structure testing while protecting the hydraulic cylinder from damage
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The bracing member effectively reduces damage to the hydraulic cylinders by absorbing lateral horizontal stress, improving the service life and testing accuracy of the apparatus, and enabling reliable testing of both column and beam composite structures.
Implementation Method 1
a plurality of bracing rollers disposed around and slidably abutting against the peripheral wall of the bottom holding assembly so as to absorb lateral horizontal stress
Data Source
AI summary
An apparatus for testing the load bearing strength of an architectural structure includes a top holding assembly, a hydraulic cylinder, a bottom holding assembly, and a bracing member. The hydraulic cylinder is disposed below the top holding assembly, and has a top end. The bottom holding assembly is mounted on the top end of the hydraulic cylinder, and cooperates with the top holding assembly to hold the architectural structure therebetween. The bottom holding assembly includes a peripheral wall. The bracing member has a plurality of bracing rollers disposed around and slidably abutting against the peripheral wall of the bottom holding assembly so as to absorb lateral horizontal stress which may occur during the testing of the architectural structure under compression.