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Pro040

Lightweight Aggregates from Masonry Rubble



Title: Lightweight Aggregates from Masonry Rubble
Author(s): Müller
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 97 - 106
Total Pages: 10
Nb references: 2
Language: English


Abstract: The paper describes a new technology for the production of lightweight aggregates based
on sand and dust that appeared from the processing of construction and demolition waste. The
technology is suitable especially for high-grade utilization of masonry waste. The masonry
waste is ground to particle sizes < 100 µm at first. Then granules are formed without addition
of a binding agent. The following burning process results in a consolidation of the pellets. The
bulk density of the material can be controlled in a wide range by the addition of expanding
agents before burning.The main properties of the aggregates are equivalent to the aggregates introduced on the
market such as expanded clay. Further it was shown, that the aggregates are suitable for the
production of lightweight concrete blocs with excellent frost resistance und good heat
insulation.


Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.011


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