Published Articles
Paul Jeffs has authored numerous technical articles concerning concrete and masonry. Examples are detailed below. Click on the title to view the article on-line.
A Tale of Two Towers
Published in Construction Canada, November 2008 - (Go to Page 10)
This article highlights the major restoration of the Church of Our Lady in Guelph, Ontario and includes details of the investigation process and the development of a restoration strategy to correct the problems causing cracking and damage to the two stone towers. How the tower walls were stabilized to prevent further cracking is described in detail.
A synopsis of this Case Study can be viewed on the Case Studies section.
Stabilizing Cracked Masonry
Published in Construction Canada, January 2007 (Go to Page 8)
This article highlights the restoration of a beautiful stone campus building at Mount Allison University in New Brunswick. It includes details regarding how major problems with cracking and destabilized foundation walls were resolved, using grouting, installation of masonry ties and reinforcement, and complete repointing of the masonry.
Cape Race Lighthouse: A Case Study
Published in Construction Canada, May 2007 (Go to Page 98)
This article features the restoration of Cape Race Lighthous in Newfoundland which had suffered considerable cracking over the decades. The history of previous restoration is discussed, together with the development of a unique strategy which not only prevented further cracking after repair, but provided improved movement accommodation and long-lasting durability.
A synopsis of this Case Study can be viewed on the Case Studies section.
Masonry Restoration - The Importance of Cause Analysis
Published in Construction Canada, November 2010 (Go to Page 20)
This article stresses how important it is to fully understand what caused deterioration or damage that may have occurred to masonry structures - as well as the mechanism of failure. Cameo case studies are used to illustrate where poor design or material selection contributed to a particular problem - and how failure to understand this sometimes leads to repeat failure.
Owens Art Gallery: A Holistic Conservation Strategy
Published in Construction Canada: May 2012 (Go to Page 38)
This article examines the investigation process, conservation strategy development and restoration of an 1895 art gallery that had suffered adverse reactions to restoration work carried out in the 1970's.
A synopsis of this Case Study can be viewed on the Case Studies section.
A Tale of Two Towers
Published in Construction Canada, November 2008 - (Go to Page 10)
This article highlights the major restoration of the Church of Our Lady in Guelph, Ontario and includes details of the investigation process and the development of a restoration strategy to correct the problems causing cracking and damage to the two stone towers. How the tower walls were stabilized to prevent further cracking is described in detail.
A synopsis of this Case Study can be viewed on the Case Studies section.
Stabilizing Cracked Masonry
Published in Construction Canada, January 2007 (Go to Page 8)
This article highlights the restoration of a beautiful stone campus building at Mount Allison University in New Brunswick. It includes details regarding how major problems with cracking and destabilized foundation walls were resolved, using grouting, installation of masonry ties and reinforcement, and complete repointing of the masonry.
Cape Race Lighthouse: A Case Study
Published in Construction Canada, May 2007 (Go to Page 98)
This article features the restoration of Cape Race Lighthous in Newfoundland which had suffered considerable cracking over the decades. The history of previous restoration is discussed, together with the development of a unique strategy which not only prevented further cracking after repair, but provided improved movement accommodation and long-lasting durability.
A synopsis of this Case Study can be viewed on the Case Studies section.
Masonry Restoration - The Importance of Cause Analysis
Published in Construction Canada, November 2010 (Go to Page 20)
This article stresses how important it is to fully understand what caused deterioration or damage that may have occurred to masonry structures - as well as the mechanism of failure. Cameo case studies are used to illustrate where poor design or material selection contributed to a particular problem - and how failure to understand this sometimes leads to repeat failure.
Owens Art Gallery: A Holistic Conservation Strategy
Published in Construction Canada: May 2012 (Go to Page 38)
This article examines the investigation process, conservation strategy development and restoration of an 1895 art gallery that had suffered adverse reactions to restoration work carried out in the 1970's.
A synopsis of this Case Study can be viewed on the Case Studies section.