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Related Experiment Video

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Blast Quantification Using Hopkinson Pressure Bars

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Published on: July 5, 2016

Reinforced Concrete Plates under Impact Load-Damage Quantification.

Marcus Hering¹, Franz Bracklow¹, Silke Scheerer¹

¹Faculty of Civil Engineering, Institute of Concrete Structures, D-01062 Dresden, Germany.

Materials (Basel, Switzerland)

|October 17, 2020

Summary

This summary is machine-generated.

Researchers studied impact damage on reinforced concrete plates, both original and strengthened. They developed a method to objectively describe damage and quantify the strengthening effect using stiffness measurements.

Keywords:

carbon concrete impact reinforced concrete strengthening

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Area of Science:

Civil Engineering
Materials Science
Structural Engineering

Background:

Impact loads pose significant risks to reinforced concrete structures.
Assessing and quantifying damage in reinforced concrete after impact is crucial for structural integrity.
Strengthening techniques are often applied to enhance the performance of existing concrete structures.

Purpose of the Study:

To develop an objective method for describing impact damage in reinforced concrete components.
To quantify the effectiveness of strengthening layers applied to impact-damaged reinforced concrete plates.
To analyze the experimental conditions and results from impact tests conducted at Technische Universität Dresden.

Main Methods:

Conducting a series of impact experiments using a drop tower facility.
Observing and documenting the physical damage to reinforced concrete plates after impact.
Measuring the global stiffness of structural components before and after impact events.
Analyzing the influence of subsequent strengthening layers on damaged plates.

Main Results:

Detailed observations of component damage resulting from impact loads were summarized.
An approach for objectively describing the damage to reinforced concrete plates was presented.
The study provides insights into the effectiveness of strengthening measures on impact-damaged structures.

Conclusions:

The developed method offers a way to objectively assess impact damage in reinforced concrete.
Stiffness reduction serves as a key indicator for global damage assessment.
Further research is needed to address knowledge gaps and refine damage assessment methodologies.