# Correlation of modulus elasticity of Falling Weight Deflectometer (FWD) towards Light Weight Deflectometer (LWD) laboratory
> Caroles L.

URL kanonis: https://discover.unhas.ac.id/publications/correlation-of-modulus-elasticity-of-falling-weight-deflectometer-fwd-towards-li
Jurnal / Konferensi: Iop Conference Series Earth and Environmental Science
Tahun terbit: 2020
DOI: https://doi.org/10.1088/1755-1315/419/1/012039
ISSN: 17551307
Citations: 2

## Authors
- Caroles L.

## Abstract
Abstract Develop a new laboratory LWD and this study aims to analyse the laboratory version of the LWD with the field version of the LWD currently developed by Bina Marga, Indonesia. Basically, the working principle of the developed laboratory LWD is same as the LWD equipment in the field, which is an instrument that can measure deflection value and modulus of elasticity through load impulses arising from a load with a specific weight dropped at a certain height on a plate surface with a particular area on a pavement surface that is will cause deflection that is measured using a displacement sensor. A series of studies were conducted to compiled an equation that provides a correlation between the laboratory LWD and the LWD used in the field.

## Keywords
- Deflection (physics)
- Falling weight deflectometer
- Geotechnical engineering
- Young's modulus
- Modulus
- Structural engineering
- Engineering
- Geology
- Mathematics
- Materials science
- Optics
- Physics
- Geometry
- Composite material
- Subgrade

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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