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Home » Case studies » Nam Ngum 2 Dam Leakage monitoring

Nam Ngum 2 Dam Leakage monitoring

Published on March 2 2017
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The dam is 181 meters high with a capacity of 615 megawatts and can produce 2300kw of electric power per hour.

Image Nam Ngum 2 Dam Leakage monitoring

The structure is located on the Nam Ngum River, north of the Nam Ngum Dam I, about 90km out of Vientiane. The objective of the Nam Ngum II project is to produce electricity for sale to Thailand and for local consumption.

 

Aim of monitoring:

Monitor the seepage at the plinths level anduse the active detection system with heat pulse method.

 

Main results:

A total of 2 independent cables (approx. 900 m each) were integrated in the filter zone by surface installation. DiTemp Light with 4Ch will mesure the temperature profiles.

INSTALLATION PERIODTYPE OF SENSORSNUMBER OF SENSORS
2008 – 2010DiTeSt / DiTemp2
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General overview of the worksite

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Sensing cables integration

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Base plinth

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Side plinth

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Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

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Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

Logo Telemac

Provider of Geotechnical & Structural Instruments
since 1947

Logo Enomfra

Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

Logo Roctest

Developer and Manufacturer of Geotechnical & Structural Instruments and Soil/Rock Testing Equipment

Logo Smartec

Provider of innovative Fiber Optic Solutions for Structural Health Monitoring and Geotechnical Instrumentation

Logo Telemac

Provider of Geotechnical & Structural Instruments
since 1947

Logo Enomfra

Provider of Hydrogeological & Geotechnical Services. Investigations, Monitoring & Testing

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