# Experimental Study on Damage Evolution Characteristics of Concrete under Impact Load Based on EMI Method

## Abstract

**:**

## 1. Introduction

## 2. The Principle of Parallel Tests

## 3. Design of the Test

#### 3.1. The Specimen and the Test Equipment

#### 3.2. Experimental Scheme

#### 3.3. The Test Equipment

## 4. Analysis of Test Results

#### 4.1. Analysis of Piezoelectric Signals

#### 4.2. Analysis of Parallel Verification Test Results

#### 4.3. Analysis of the Results of Splitting Tensile Strength

## 5. Summary

## Funding

## Institutional Review Board Statement

## Informed Consent Statement

## Data Availability Statement

## Conflicts of Interest

## References

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Components | Mass (kg/m^{3}) |
---|---|

Cement (42.5 MPa) | 380 |

Fly ash (classI) | 100 |

Fine aggregate (Medium sand) | 692 |

Coarse aggregate (5–25 mm continuous grading) | 1128 |

Water | 150 |

Water reducing agent (solid polycarboxylate acid) | 0.5 |

Specimens’ size | 100*100*300 mm |

Compression specimens’ size | 100*100*100 mm |

Rest Curing Time (h) | Heating Rate (°C/h) | Constant Temperature Time (h) | Constant Temperature (°C) | Cooling Rate (°C/h) |
---|---|---|---|---|

3 | 15 | 3 | 50 | 15 |

Dynamic Elastic Modulus (MPa) | Shear Modulus (MPa) | Compressive Strength (MPa) | Poisson’s Ratio |
---|---|---|---|

56.3 | 23.6 | 52.4 | 0.23 |

Group | Number of Specimens | Impact Height/cm | The Mass of the Punching Ball |
---|---|---|---|

A | 4 | 20 | 4 kg |

B | 4 | 25 | |

C | 4 | 30 |

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**MDPI and ACS Style**

Tan, B.
Experimental Study on Damage Evolution Characteristics of Concrete under Impact Load Based on EMI Method. *Sustainability* **2022**, *14*, 10557.
https://doi.org/10.3390/su141710557

**AMA Style**

Tan B.
Experimental Study on Damage Evolution Characteristics of Concrete under Impact Load Based on EMI Method. *Sustainability*. 2022; 14(17):10557.
https://doi.org/10.3390/su141710557

**Chicago/Turabian Style**

Tan, Bin.
2022. "Experimental Study on Damage Evolution Characteristics of Concrete under Impact Load Based on EMI Method" *Sustainability* 14, no. 17: 10557.
https://doi.org/10.3390/su141710557