These specialized sensors are designed for precise groundwater level measurements in narrow boreholes commonly used in geotechnical investigations and environmental monitoring. Their compact size and robust construction make them ideal for assessing the impact of natural or man-made influences on groundwater resources.
Products
LMP305 Borehole Level Transmitter - Submersible stainless steel pressure transmitter ideal for geotechnical surveying with a 19mm diameter for measuring hydrostatic water level in bore-holes.
LMK306 Ground Water Level Transmitter - IP68 sealed hydrostatic level transmitter with a 17mm diameter for lowering into ground water boreholes for environmental monitoring of water level.
- Dam bank narrow diameter submersible level transducer for 30m deep piezometer tubes - The MTM3000 submersible pressure transducer is ideal for level measurement in dam banks, featuring a 10mm diameter for narrow access tubes and a 35m pur cable.
Hydrostatic level sensors, specifically designed for small-diameter boreholes, play a crucial role in geotechnical and environmental research. These sensors provide accurate groundwater level measurements in confined spaces, enabling researchers and engineers to gain valuable insights into subsurface water dynamics.
Advantages
- Compact Size: The small diameter of these sensors allows for their deployment in narrow boreholes, minimizing disturbance to the surrounding soil and reducing installation costs.
- Robust Construction: Built to withstand harsh subsurface conditions, these sensors are typically made from durable materials like stainless steel or titanium, ensuring long-term reliability and minimal maintenance requirements.
- Ease of Installation: Many models are designed for straightforward installation, often featuring a simple drop-in design or a compact cable connection.
Applications
Geotechnical Research
Geotechnical engineers utilize these sensors extensively to assess the stability of slopes, foundations, and underground structures. By monitoring groundwater levels, they can identify potential risks associated with water table fluctuations, such as landslides, soil erosion, and structural damage.
- Slope Stability Analysis: Monitoring groundwater levels in slopes to assess the risk of landslides, particularly in areas prone to rainfall-induced instability. Sensors can be installed at various depths to create a profile of the water table and identify potential slip planes.
- Foundation Design: Evaluating groundwater conditions beneath building foundations to determine the appropriate foundation type and depth. This helps prevent settlement, cracking, and other structural issues caused by excessive groundwater pressure.
- Tunnel Construction: Monitoring groundwater inflow during tunnel excavation to ensure worker safety and prevent flooding. Sensors can also be used to assess the long-term stability of the tunnel lining and surrounding ground.
- Embankment Monitoring: Measuring groundwater levels within embankments, such as dams and levees, to detect seepage and potential failure points. This data is critical for maintaining the integrity of these structures and preventing catastrophic breaches.
- Landfill Monitoring: Assessing the effectiveness of leachate collection systems in landfills by monitoring groundwater levels and detecting any potential leaks or contamination plumes.
- Underground Storage Tank Monitoring: Monitoring groundwater around underground storage tanks to detect leaks and prevent soil and groundwater contamination.
- Coastal Engineering: Investigating groundwater dynamics in coastal areas to understand saltwater intrusion and its impact on infrastructure and freshwater resources.
- Earthquake Hazard Assessment: Studying groundwater fluctuations in fault zones to identify potential precursors to seismic events.
- Soil Liquefaction Studies: Evaluating the susceptibility of soils to liquefaction during earthquakes by monitoring groundwater levels and soil saturation.
- Permafrost Monitoring: Tracking changes in permafrost thaw depth by measuring groundwater levels in arctic and subarctic regions. This data is crucial for understanding the impacts of climate change on infrastructure and ecosystems.
Environmental Monitoring
In environmental monitoring, these sensors contribute to the assessment of groundwater contamination and the effectiveness of remediation efforts. They help track the movement of pollutants and evaluate the impact of human activities on groundwater quality.
- Remediation Effectiveness Monitoring: Evaluating the performance of groundwater remediation systems, such as pump-and-treat or in-situ bioremediation. Sensors provide real-time data on contaminant concentrations and groundwater levels, allowing for adjustments to the remediation strategy as needed.
- Wetland Monitoring: Assessing the hydrological regime of wetlands to ensure their ecological health and functionality. Sensors can track water level fluctuations, helping to identify potential threats from drought, drainage, or encroachment.
- Groundwater Recharge Studies: Measuring groundwater recharge rates in aquifers to understand the sustainability of groundwater resources. This data is crucial for managing water use and ensuring long-term water security.
- Watershed Management: Monitoring groundwater levels across a watershed to understand water availability and inform water resource management decisions.
- Climate Change Impact Studies: Investigating the effects of climate change on groundwater resources, such as changes in recharge rates, evapotranspiration, and water table depth.
- Ecological Studies: Monitoring groundwater levels in sensitive ecosystems to assess the impact of human activities or natural events on habitat conditions.
- Karst Hydrology Studies: Investigating groundwater flow patterns in karst aquifers, which are characterized by sinkholes, caves, and underground streams. Sensors can help identify recharge zones, flow paths, and potential contamination vulnerabilities.
By providing accurate and reliable groundwater level data, these compact hydrostatic level sensors contribute significantly to our understanding of subsurface water resources and their impact on the environment and human activities.