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    GEOTECHNICAL SERVICES

    WE CAN PROVIDE GEOTECHNICAL INVESTIGATIONS CONSULTANCY ADVICE

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  • GROUND INVESTIGATION AND BOREHOLES

GROUND INVESTIGATION AND BOREHOLES

Central Piling have the capability of carrying out ground investigations using Dando cable percussion rigs.  This drilling technique is cost-efficient and provides in-situ tests to aide geotechnical investigations along with the ability to install groundwater and ground gas monitoring wells.

The drilling tools can penetrate clay, sand, gravel and chalk.  

During the drilling process small disturbed soil samples may be taken to enable logging of the site soils and further laboratory testing.  Undisturbed U100 samples are collected for further laboratory testing including undrained shear strength tests and consolidation tests.  Standard Penetration Tests (SPTs) can also be carried out to give an indication of the density of the ground

The boreholes will be logged by an in-house engineer to the relevant British Standard.

For ground investigation in more challenging conditions such as hard clays and rock we can utilise rotary borehole rigs with hollow stem, solid stem and rotary coring techniques adopted as required. The same equipment can also be used to construct soakaways and well boreholes.