Tunnel Waterproofing Systems

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The choice of tunnel waterproofing systems is reliant on a number of factors

  1. the type and construction of the tunnel.
  2. expected exposure to water in the location.
  3. Above water table or below
  4. minimization of maintenance costs

Such tunnels through rock or other strata may only have to cope with seepage through the rock. Where there is no hydrostatic pressure present, and ground water level below the tunnel footing. Tunnels waterproofing in such tunnels has waterproofing applied only to the top and sides.

Tunnels constructed in loose rock, below the water table, under a river on the ocean floor (eg Sydney Harbour Tunnel), or where springs and water streams are found running through the strata. These tunnel construction conditions, mean the tunnel waterproofing membrane requirements are such that it is necessary to fully wrap the tunnel with waterproofing material which is designed to withstand the expected hydrostatic pressure.

Drizoro Products required
MAXPLUGMAXSMESH  MAXSEAL FLEXMAXSEAL/MAXSEAL FOUNDATION •  MAXREST • MAXRITE 700 • MAXJOINT ELASTIC • Drizoro Maxseal SUPER

Tunnel Waterproofing, Tunnel Waterproofing systems basement Waterproofing

Tunnel Waterproofing Methods

The method of waterproofing is critical selection of the wrong waterproofing approach or worse still incorrect installation of the waterproofing systems has the potential to cause severe damage to the tunnel structure, and increasingly high maintenance and refurbishment costs. The water inflow in tunnels and other building structures has always been recognized as one of the most important factors of damage to the structures


 

#Waterproofingmembrane prevents ingress of #Undergroundwater. This reduces costs of #Longtermmaintenance giving an increased service life of the tunnel structure

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