Deformation of NHL3.5 and CL90/PC hybrid mortars-Reference-Cited by-同舟云学术

Deformation of NHL3.5 and CL90/PC hybrid mortars

Published:2009-02 Issue:1 Volume:162 Page:29-35
ISSN:1747-650X
Container-title:Proceedings of the Institution of Civil Engineers - Construction Materials
language:en
Short-container-title:Proceedings of the Institution of Civil Engineers - Construction Materials

Author:

Ball R. J.¹,El-Turki A.¹,Allen W. J.²,Nicholson J. A.¹,Allen G. C.¹

Affiliation:

1. University of Bristol, Interface Analysis Centre Bristol, UK

2. Ellis and Moore Consulting Engineers, Lower Weston Bath, UK

Abstract

The time-dependent deformation of an NHL 3.5 natural hydraulic lime mortar, a 1:6 Portland cement mortar, two Portland cement/CL90 hybrid mortars and a CL90 lime paste, through creep and drying shrinkage under load, has been investigated. An apparatus was constructed to measure the dimensional changes of eight individual samples simultaneously. A reversible relationship between changes in specimen dimension and relative humidity has been established. The influence of load on deformation rate was found to be most significant during the first two weeks of monitoring with little effect thereafter. The rate of deformation during the first 2 weeks of sample monitoring was greatest for mortars containing a high proportion of calcium hydroxide. A linear relationship was found between strain rate and calcium hydroxide content.

Publisher

Thomas Telford Ltd.

Subject

Mechanics of Materials,General Materials Science,Civil and Structural Engineering

Link

https://www.icevirtuallibrary.com/doi/pdf/10.1680/coma.2009.162.1.29

Reference21 articles.

1. Building with Lime

2. Study of ancient mortars from Sagalassos (Turkey) in view of their conservation

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5. Masonry repair lime-based mortars: factors affecting the mechanical behavior

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