Sign up for our Newsletter

Proceedings

RILEM has been organising symposia and workshops since its foundation, with more than 100 proceedings published. A quick glance at our online catalogue shows the diversity, importance and international scope of the topics.

To download an article FOR FREE, you must use your login and password if you have already been registered before and then select the article you are interested in on the Contents page of the publication. Non-members need to create an account.

 

Pro074

The shrinkage cone method for measuring the autogenous shrinkage - an alternative to the corrugated tube method



Title: The shrinkage cone method for measuring the autogenous shrinkage - an alternative to the corrugated tube method
Author(s): S. Eppers, C. Müller
Paper category : conference
Book title: International RILEM Conference on Use of Superabsorbent Polymers and Other New Additives in Concrete
Editor(s): O.M. Jensen, M.T. Hasholt and S. Laustsen
Print-ISBN: 978-2-35158-104-9
e-ISBN: 978-2-35158-105-6
Publisher: RILEM Publications SARL
Publication year: 2010
Pages: 67 - 76
Total Pages: 10
Nb references: 25
Language: English


Abstract: The corrugated tube protocol is about to become the standard method for measuring the autogenous shrinkage of cement paste and mortar under quasi-isothermal conditions. Eventually this will reduce the number of measurement methods and increase the efficiency of research. Also, it provides a reference for the validation of other methods. Here, the shrinkage cone method for measuring the autogenous shrinkage is presented. Its suitability for measurements under non-isothermal conditions is outlined. Results of the autogenous shrinkage of ultra-high strength concrete are compared to those obtained with the corrugated tube method. The comparative investigations reveal that using an applicator gun to press sticky or stiff concrete into a corrugated tube may alter the autogenous shrinkage. The underlying alteration of the pore structure is evidenced by mercury intrusion porosimetry. Excellent agreement between corrugated tube and shrinkage cone method is obtained if the influence of pressure is excluded. It is thereby demonstrated that both methods allow for a precise measurement of autogenous shrinkage.


Online publication: 2010-10-04
Publication type : full_text
Public price (Euros): 0.00


>> You must be connected to view the paper. You can register for free if you are not a member