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NTNU Open
Master thesis . 2012
Data sources: NTNU Open
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Pervious Concrete

Authors: Torsvik, Øyvind André Hoff;

Pervious Concrete

Abstract

Pervious concrete is a material with a high degree of permeability but generally low strength. The material is primarily used for paving applications but has shown promise in many other areas of usage. This thesis investigates the properties of pervious concrete using normal Norwegian aggregates and practices. An overview of important factors when it comes to designing and producing pervious concrete is the result of this investigation. Several experiments have been performed in the concrete research facility at NTNU, Trondheim.The importance of the void content of pervious concrete cannot be overstated. Too much void content leads to low strength while not enough void and permeability suffers and the concrete can hardly be called pervious. Proper design of pervious concrete is therefore largely dependent on finding the balance between strength and water permeability. The large interconnected voids in the material is achieved by using a near single sized aggregate of relatively large grains. The packing of this coarse aggregate leads to large voids due to the similar sizes of the grains. The amount of void left in the final concrete is then determined by how much binder is allowed to be mixed into the aggregates.Ten different batches of mortar has been produced with the intention of investigating the application of said mortars as the binder in pervious concrete. Six different batches of pervious concrete has been produced and tested for such properties as strength, permeability, density and void content. The goal of the experiments is to find and evaluate methods of determining the properties of pervious concrete. Mixing method of the material in addition to varying theoretical void content has been the focus of the experimental work.

Country
Norway
Keywords

MIBYGG Bygg- og miljøteknikk (2 årig), ntnudaim:7939, Konstruksjon

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green