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Multilayer frame teaching experiment model and experiment method thereof

A multi-layer framework and experimental model technology, applied in teaching models, educational appliances, instruments, etc., can solve problems such as insufficient understanding and related theoretical doubts

Active Publication Date: 2017-02-22
DALIAN UNIV OF TECH
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Problems solved by technology

[0005] At present, the teaching methods of structural mechanics in colleges and universities are mainly theoretical teaching. Due to the lack of experimental verification of related theories, it is inevitable that some students will not have a deep understanding of the relevant theories, and even have doubts about the relevant theories.

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  • Multilayer frame teaching experiment model and experiment method thereof
  • Multilayer frame teaching experiment model and experiment method thereof
  • Multilayer frame teaching experiment model and experiment method thereof

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Embodiment Construction

[0070] A multi-layer frame teaching experiment model includes a multi-layer frame structure, a static loading device, a vibration exciter loading device, a vibrating table loading device and measuring equipment.

[0071] In the multi-layer frame structure, the two ends of each beam are clamped and connected with the column 5 by the beam clamp 6 to realize the rigid connection of the beam and column; the two ends of the bottom beam 4 are clamped by the bottom beam clamp 7 and the bottom end of the column 5 The connection realizes the rigid connection of beams and columns; the middle part of the bottom beam 4 is connected with the trolley platform through 2 bolts. Since the stiffness of the beam is much greater than that of the column, it can be considered that the stiffness of the beam is infinite relative to the stiffness of the column. When the multi-storey frame structure is only subjected to lateral loads, it can be considered that there is no angular displacement at the nod...

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Abstract

The invention provides a multilayer frame teaching experiment model and an experiment method thereof. The multilayer frame teaching experiment model comprises a multilayer frame structure, a static force loading device, a vibration exciter loading device, a vibration table loading device and measurement equipment. A worm gear elevator in the static force loading device realizes loading and unloading of a frame structure through a hand wheel on the worm gear elevator, and furthermore an applied load is displayed on a computer through a force sensor. The multilayer frame teaching experiment model and the experiment method can be used for a displacement method experiment, a double-freedom-system free vibration experiment, a double-freedom-system compulsive vibration experiment and a three-layer rigid frame fundamental frequency experiment according to an approximation method. The multilayer frame teaching experiment model and the experiment method have a beneficial effect of flexible and variable experiment model. A student can independently perform the experiment on the condition of different parameters. A small error between an obtained experiment result and a theoretical value which is calculated according to structural mechanics is realized. The multilayer frame teaching experiment model and the experiment method are suitable for related teaching experiments and further design development in colleges.

Description

technical field [0001] The invention belongs to the field of structural mechanics experiment teaching for civil engineering specialty, and relates to a multi-layer frame teaching experiment model, which can be used for displacement method experiment, free vibration experiment of double-degree-of-freedom system, forced vibration experiment of double-degree-of-freedom system, and approximation method to calculate three Layer frame fundamental frequency experiment. Background technique [0002] Structural mechanics is a compulsory subject for civil engineering majors in colleges and universities. The multi-layer frame is an important model in the teaching of structural mechanics. This model involves two types of problems (displacement method to solve statically indeterminate structural problems, stiffness method to solve structural dynamic characteristics and dynamic response problems) are classic teaching examples of structural mechanics. [0003] The displacement method is t...

Claims

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Application Information

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IPC IPC(8): G09B25/04
CPCG09B25/04
Inventor 陈廷国谢鹏李映雪胡乔元任珵娇勾国勇王祖能段迪陈璨
Owner DALIAN UNIV OF TECH
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