Geotechnical Surveyors London and Borehole Soil Testing Surveyors Surrey and UK.
Cadmap Limited provide Geotechnical Surveys for soil testing / soil analysis and borehole locations, we also carry out the borehole clearance surveys in-house.
Geotechnical Surveyors Equipment.
Geotechnical Surveyors in Surrey and London, we cover the whole of the UK. Cadmap Ltd.
Geotechnical Surveyors in Surrey and London. Cadmap Limited.
A geotechnical survey in the UK is an investigation conducted to gather data about the physical properties and conditions of soil and rock around a construction site. This information is crucial for the design and construction of foundations, buildings, roads, and other structures. The primary goal of a geotechnical survey is to assess the suitability of the site for the proposed construction and to identify any potential challenges that may need to be addressed.
Key Components of a Geotechnical Survey in the UK
Site Investigation:
Cadmap Desk Study: Preliminary research involving the review of existing records, maps, and geological surveys of the area.
Field Investigation: On-site activities such as drilling boreholes, digging trial pits, and collecting soil and rock samples for laboratory testing.
Soil and Rock Sampling:
Cadmap Collection of samples at various depths to understand the subsurface conditions.
Samples are tested for various properties such as grain size, moisture content, density, and shear strength.
Laboratory Testing:
Cadmap Soil Classification Tests: Determine the soil type and its properties.
Strength Tests: Assess the bearing capacity and stability of the soil.
Permeability Tests: Measure the rate at which water can pass through the soil.
Groundwater Assessment:
Cadmap Identification of groundwater levels and flow patterns.
Evaluation of the impact of groundwater on the proposed construction.
Geophysical Surveys:
Cadmap Use of non-invasive techniques such as seismic refraction, ground-penetrating radar, and electrical resistivity to map subsurface conditions.
Reporting and Recommendations:
Cadmap Compilation of data and analysis into a comprehensive report.
Recommendations on foundation design, construction methods, and any necessary ground improvement measures.
Importance of Geotechnical Surveys
Risk Mitigation:
Cadmap Identifies potential geotechnical hazards such as landslides, soil liquefaction, and sinkholes.
Helps in designing structures that can withstand site-specific conditions.
Cost Efficiency:
Cadmap Prevents costly design changes and construction delays by identifying issues early.
Ensures optimal use of materials and resources.
Regulatory Compliance:
Cadmap Ensures that the construction project complies with local building codes and regulations.
Provides necessary documentation for planning permissions and approvals.
Safety:
Cadmap Ensures the long-term stability and safety of the constructed structures.
Reduces the risk of structural failures and associated hazards.
Typical Applications of Geotechnical Surveys
Building Construction: Foundations, basements, and retaining structures.
Infrastructure Projects: Roads, bridges, tunnels, and railways.
Environmental Assessments: Landfills, contaminated land, and flood risk analysis.
Resource Exploration: Mining and quarrying activities.
In the UK, geotechnical surveys are an essential part of the planning and design process for any construction project. They provide vital information that helps engineers and architects make informed decisions, ensuring that structures are safe, sustainable, and fit for purpose.
