Assuring quality, avoiding errors

State-of-the-art sewer construction using ­precast ­elements

Drainage and sewer systems are key to ensuring hygienic, environmentally sound conditions in all municipalities and local communities. They are also major assets held by those communities, and are usually depreciated over a useful life of 50 to 80 years. State-of-the-art precast elements make it possible to construct cost-efficient, long-lasting sewer systems. To achieve this goal, concrete grades and anti-corrosive precautions should be aligned with specific design and operational requirements, modern production processes should be available to adhere to the highest possible quality standard,...

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Issue 11/2014 Wayss & Freytag

Concrete with increased acid resistance for pipes and shafts

Conversion of the subterranean wastewater treatment plants between the German cities of Dortmund and Dinslaken results in an ecological upgrading of the catchment area of the EmscherRiver and...

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Issue 05/2018 FBS/BW Müller

Perfect Pipe – sustainable pipes for Saarbrücken

At the very latest since the last United Nations Climate Change Conference in Bonn in November of 2017, the topic of sustainability has again been brought to the center of our attention in the public...

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Issue 02/2018 The new Worksheet DWA-A 139

Construction and testing of drains and sewers

The revised edition of Worksheet DWA-A 139 includes the supplementary notes and further explanations on DIN EN 1610 “Construction and testing of drains and sewers” (Einbau und Prüfung von...

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Issue 08/2009 Development of a biomechanical method

Testing the resistance to root penetration of seals for sewer pipe connections

In another area highly susceptible to damage – green roofs – seals have been tested for over 20 years by a method developed and standardized at FH Weihenstephan, and which is recognized by the trade...

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Issue 06/2012

Perfect Pipe: Future-proof concrete pipes

The production of pipes for wastewater treatment and sewage is subject to continuous change. Specific materials are literally booming as a result of advancements in construction practice, changes to...

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