·Table of Contents
·Civil Engineering

Fabrication of a piezoelectric impact hammer and its application to the measurements of in-situ wave velocities of Concrete

J. -H. Tong, T. -T. Wu, C.-K. Lee
Institute of Applied Mechanics,
National Taiwan University, Taipei, TAIWAN
e-mail: wutt@spring.iam.ntu.edu.tw


1. Introduction

2. Piezoelectric impact hammer system for concrete testing

3. Calibration of the impact hammer system

4. Principle of in-situ wave velocity measurements

5. Experimental verification




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