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Table 3 Type, number, and symbol of measuring instruments used in the tests.

From: Dynamic Response Analysis of Coastal Piled Bridge Pier Subjected to Current, Wave and Earthquake Actions with Different Structure Orientations

Test measures

Instruments

Numbers

Symbol

Displacement

LVDT transducers

8

U

Acceleration

Accelerometer sensor

18

A

Wave properties

Wave gauge

4

Flow velocity

current meter

2