Andreas Moerman

Andreas Moerman
KWR Water Research Institute · Waterinfrastructure

About

10
Publications
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57
Citations

Publications

Publications (10)
Preprint
Pipe failure data provides valuable information on the mechanisms and conditions which cause drinking water pipes to break or leak. Such data feeds asset management models, helping water utilities to decide future interventions at different timelines. Among countries, and even within countries, utilities apply different pipe failure data collection...
Article
Full-text available
Comsima is a mechanical model that calculates stresses and joint rotations in drinking water distribution pipes based upon several loadings on the pipe (soil, traffic, water pressure, differential settlements). Pipe degradation mechanisms (slow crack growth resistance for PVC and calcium leaching for AC) were added to the model. A comparison with f...
Article
Full-text available
The influence of the weather parameters of temperature, wind and drought on pipe failure of drinking water distribution pipes was studied for the Netherlands. Several data sources were used relating weather effects to pipe failure: pipe failure data, regional weather data from different weather stations in the Netherlands, soil settlement data obta...
Article
Full-text available
Domestic drinking water supply systems (DDWSs) are the final step in the delivery of drinking water to consumers. Temperature is one of the rate-controlling parameters for many chemical and microbiological processes and is, therefore, considered as a surrogate parameter for water quality processes. In this study, a mathematical model is presented t...
Article
Full-text available
Many researchers have developed drinking water demand models with various temporal and spatial scales. A limited number of models is available at a temporal scale of 1 s and a spatial scale of a single home. The reasons for building these models were described in the papers in which the models were introduced, along with a discussion on their poten...
Article
Full-text available
Many researchers have developed drinking water demand models with various temporal and spatial scales. A limited number of models are available at a temporal scale of one second and a spatial scale of a single home. Reasons for building these models were described in the papers in which the models were introduced, along with a discussion on potenti...
Article
Understanding pipe failure is essential for effective asset management. Buried drinking water pipes are exposed to several types of external loads, e.g. soil weight, loads due to soil settling differences and traffic loads. The hypothesis that traffic loads positively affects the number of failures was statistically tested. For three out of four st...
Article
Domestic water supply systems are the final stage of the transport process to deliver potable water to the customers’ tap. Under the influence of temperature, residence time and pipe materials the drinking water quality can change while the water passes the domestic drinking water system. According to the Dutch Drinking Water Act the drinking water...

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Projects

Projects (2)
Project
To determine possible measures to prevent negative effects from climate change and urbanization on drinking water quality
Project
Models for generating stochastic water demands and their impacts on WDN simulation, design and management