Leading consulting group with a 360° approach
Choice of construction methodThe selection of construction method is based on ground and water conditions and environmental requirements. Additionally, it is based on risk assessments of the proposed methods.
Risk and safetyTunnelling with sequential excavations carries risks. As part of these projects COWI always performs a risk analysis which identifies hazards and consequences to reduce risks and improve safety.
Ground conditionsCOWI's experience of sprayed, concrete-lined (SCL) tunnels has been gained mainly from the design of underground infrastructure with ground conditions ranging from clay and sand pockets to limestone and highly weathered rock.
LiningCOWI’s experience encompasses primary linings of shotcrete and permanent linings of either in-situ cast concrete or sprayed concrete with a waterproofing membrane.
During construction work our design and geotechnical engineers cooperate closely to ensure that the tunnel lining is carefully monitored for convergence with actual ground conditions.
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