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Suspension bridge test model system for damage identification and construction scheme verification

A technology of test model and construction plan, applied in the direction of elasticity test, machine/structural component test, measuring device, etc., can solve problems affecting the accuracy of test data, etc., and achieve uniform weight distribution, accurate dynamic characteristics, and uniform size Effect

Inactive Publication Date: 2019-07-23
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] When the moving load acts on the bridge structure model, an acceleration process is often required. This acceleration process often causes impact forces and affects the accuracy of test data.

Method used

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  • Suspension bridge test model system for damage identification and construction scheme verification
  • Suspension bridge test model system for damage identification and construction scheme verification
  • Suspension bridge test model system for damage identification and construction scheme verification

Examples

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Embodiment Construction

[0049] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0050] The invention discloses a suspension bridge test model system oriented to damage identification and construction scheme verification.

[0051] Such as figure 1 As shown, the test model of the double-tower ground-anchored suspension bridge consists of anchorage structure 1, main cable steel wire 2, main tower 3, sling 4, base 5, main girder 6, main cable counterweight 7, support 8 and main Cable saddle 9 forms. The anchorage 1, the main tower 3, and the support 8 are all connected with the base 5 by bolts, and the main cable saddle 9 is connected with the main tower 3. The junction of the main tower 3 and the main beam 6 is provided with a rubber support 18; the two ends of the main cable steel wire 2 are connected with the anchorage structure ...

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Abstract

The invention discloses a suspension bridge test model system for damage identification and construction scheme verification. The system comprises a double-tower ground anchor type suspension bridge model, an approach bridge model, a mobile load system and a data acquisition system. The suspension bridge test model system is used to complete the model test of the dynamic and static performance ofthe suspension bridge structure, simulate an unsmooth condition during a vehicle driving on a bridge, simulate the damage simulation test of each key component of the suspension bridge structure conveniently, and simulate the construction process of the suspension bridge simply. Balance weight of a main cable and a main beam is realized, and the balance weight configuration can be adjusted according to test requirements. Loading of the moving load is realized. A data acquisition system is comprehensive, simple, convenient, economic, real-time and reliable in precision.

Description

technical field [0001] The invention relates to the field of bridge tests, in particular to a suspension bridge test model system for a damage identification method and construction scheme verification. Background technique [0002] The ground-anchored suspension bridge structure has the advantages of simple and clear force, large span, beautiful appearance, and obvious economic advantages. With its unparalleled spanning ability, good technical and economic indicators and aesthetic value, it has increasingly become the first choice for crossing rivers and seas Bridge type. [0003] Suspension bridges are constantly subjected to normal loads, environmental loads, material aging, corrosion effects, and other factors during their entire life cycle, which will lead to the accumulation of damage and attenuation of resistance to the structural system for a long time, and may cause catastrophic accidents in extreme cases, resulting in Incalculable economic loss. Because the const...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M5/00
CPCG01M5/0008G01M5/0033G01M5/0041
Inventor 朱劲松张骞孙雅丹张一峰鲁子悦
Owner TIANJIN UNIV
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