Device for simulating impact of debris flow on pier

By designing a debris flow impact pier simulation device that includes a water tank, angle adjustment and data acquisition system, the problem of uncontrollable experimental conditions in the existing technology has been solved. It realizes accurate simulation and data recording of debris flow impact piers, and improves the scientific nature of bridge design and disaster prevention and mitigation research.

CN224365741UActive Publication Date: 2026-06-16ZHEJIANG HUADONG CONSTR ENG +1
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Patent Information

Application Number
CN202521915730.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-05
Publication Date
2026-06-16
Estimated Expiration
2035-09-05

AI Technical Summary

Technical Problem

Existing methods for studying debris flow disasters suffer from problems such as uncontrollable experimental conditions and difficulties in data acquisition, making it difficult to accurately simulate the performance of bridges under debris flow impact.

Method used

Design a simulation device that includes a water tank, an angle adjustment device, a debris flow simulation device, a bridge pier module, and a data acquisition system. The device can adjust the water tank angle, debris flow impact force, and flow velocity. It adopts a modular bridge pier module and combines sensors to record data in real time.

Benefits of technology

It enables accurate simulation of debris flow impacting bridge piers, improves the controllability of experiments and the reliability of data, and is applicable to bridge design and disaster prevention and mitigation research, providing scientific experimental basis.

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Abstract

The utility model belongs to the technical field of bridge engineering experiment equipment, and particularly relates to a debris flow impact bridge pier simulation device which comprises a water tank, an angle adjusting device, a debris flow simulation device, a bridge pier module and a data acquisition system. The water tank comprises an inclined section and a horizontal section, the debris flow simulation device is installed on the inclined section, and the bridge pier module is installed on the horizontal section and the bridge pier module. The flow velocity, grain composition and impact force of debris flow are controlled, various experiment requirements are met, the bridge pier modules are designed in a modular mode, the device has the advantage that bridge pier models of different shapes can be rapidly replaced, the impact resistance of bridge piers of different shapes can be conveniently researched, and the device is suitable for mountainous area bridge engineering design, geological disaster prevention and control research and teaching experiments. And a scientific experiment basis can be provided for pier impact resistance optimization and disaster prevention and reduction strategies.
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