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Epicuro : specialist products for repair, improvement and protection of all types of buildings and structures.

CRACK REPAIR

This Section contains Resources for Engineers and Researchers on issues relating to Crack Repair.

SECTION: CRACK REPAIR top
Title Author Description and Summary Links
The SIGNAL The United States Internet Genealogical Society The SIGNAL, Newsletter of USIGS, The United States Internet Genealogical Society, October 1, 1998 HTML Document
Abandoned structures within graveyards Historic Scotland In addition to funerary monuments, many historic graveyards contain the remains of churches or chapels that have fallen out of
use, been superseded, or been converted to other uses and other architectural structures such as burial enclosures or vaults,
mausolea, morthouses, watch houses and gateways. This leaflet provides guidance on how to look after such structures within
graveyards.
Document
Ancient Monuments Board for Scotland Forty-sixth Annual Report 1999 Scottish Executive Ancient Monuments Board for Scotland Forty-sixth Annual Report 1999, Presented to the Westminster and Scottish Parliaments in pursuance of Section 23 of the Ancient Monuments and Archaeological Areas Act 1979, Ordered by the House of Commons to be printed 2 May 2000, Laid before the Scottish Parliament by the Scottish Ministers May 2000. HTML Document
BIOBRUSH: BIOremediation for Building Restoration of the Urban Stone Heritage Energy, Environments and Sustainable Development The formation of detrimental crusts caused by the
enrichment of salts and biopatina is a very real problem in
European cities and urbanised developments. The problem
originates from the coincidence of sustained economic
growth and industrialisation with the location of an
important part of the world’s cultural inheritance. It is only
through a European initiative that rapid action can be
brought to bear on this serious problem, by simultaneous
application of remedial measures across the EU.
Document
Guidance notes, that everyone should follow when dealing with carved stones Historic Scotland Guidance notes, that everyone should follow when dealing with carved stones Document
Conservation of Historic Stone Buildings and Monuments Commission on Engineering and Technical Systems A complete eBook, 360 pages from from the National Research Council, on the Conservation of Historic Stone Buildings and Monuments. Includes, The Principles of Conservation, Some Illustrative Preservation Problems and Treatments in Washington D.C., Diagnosis and Prognosis of Structural Integrity, Cleaning and Surface Repair, Preventive Maintenance in Historic Structures. HTML Document
CONTROLLING STRESS FROM SWELLING CLAY Timothy P. Wangler, Angela K. Wylykanowitz, and George W. Scherer Many sedimentary rocks contain clays that swell on exposure to moisture, producing stresses from differential strain. Wendler and Snethlage showed that the swelling can be reduced by treatment with ??? diamino alkanes. In this paper, we present results showing that mixtures of such molecules are more effective than any single molecule, and that better results are obtained by applying smaller molecules before the larger ones. Document
Emergency measures for historic memorials Historic Scotland This leaflet provides guidance for those directly involved with organising work in historic burial grounds on how to minimise the damage caused by emergency measures to ensure monument stability Document
HISTORIC CASTLE STONES USED IN MICROBIOLOGY RESEARCH English Heritage Scientists arrive in Bolsover today (Thursday 5 February 2004) to collect historic stone from the castle for use in an exciting new European microbiology research project. Led by University of Portsmouth, the research is being carried out as part of a European Union funded project called BIOBRUSH, which investigates the use of micro-organisms in cleaning pollution products from historic stonework and identifying which environmental conditions will get the best results. Document
Surface Treatments EU Rehabcon There are several different causes of applying surface treatments on deteriorated concrete structures. They can have many benefits by repair and maintenance Document
Assessing Cleaning and Water-Repellent Treatments for Historic Masonry Buildings U.S Department of The Interior Inappropriate cleaning and coating treatments are a major cause of damage to historic masonry buildings. While either or both treatments may be appropriate in some cases, they can be very destructive to historic masonry if they are not selected carefully. Historic masonry, as considered here, includes stone, brick, architectural terra cotta, cast stone, concrete and concrete block. It is frequently cleaned because cleaning is equated with improvement. Cleaning may sometimes be followed by the application of a water-repellent coating. However, unless these procedures are carried out under the guidance and supervision of an architectural conservator, they may result in irrevocable damage to the historic resource. Website
Good practice in maintaining a historic graveyard Historic Scotland Good practice in maintaining a historic graveyard, This leaflet provides information on best practice in maintaining a historic graveyard, from planning through to implementation. Document
Historic Scotland grants in relation to graveyards or burial grounds Historic Scotland Historic Scotland grants in relation to graveyards or burial grounds, This leaflet provides information on Historic Scotland grants for ancient monuments and historic buildings and how they apply to graveyards and gravestones. Document
Health and safety in historic graveyards: guidance for works teams and volunteer workers, including volunteer surveyors. Historic Scotland Health and safety in historic graveyards: guidance for works teams and volunteer workers, including volunteer surveyors. This leaflet provides straightforward guidance on how to work safely in historic graveyards. It should be read in conjunction with guidance on safe working practices available from the Health and Safety Executive. Document
Carved Stones Policy & Guidance Historic Scotland Prepared by Historic Scotland, it sets out the Scottish Ministers’ policies and guidance for the care and protection of carved stones. HTML Document
Looking after gravestones Historic Scotland Looking after gravestones, This leaflet describes best practice in looking after gravestones. Document
CONSOLIDATION OF GOTLAND SANDSTONE Katarina Malaga, Malin Myrin and Jan Erik Lindqvist In Sweden consolidation treatments of the cultural heritage chiselled of Gotland sandstone have been performed for more than 20 years. However, very few studies of used products and methods have been done. The main purpose of the study was to analyse changes of physical properties in freshly quarried and in deteriorated Gotland sandstone after consolidation treatment with tetraethoxysilane. For this purpose measurements of sorption, gas adsorption and ultrasonic velocity were applied.

The study implies that a consolidation treatment will improve the physical properties of deteriorated sandstone and give a satisfactory effect, if the treatments are performed in a correct way and the stone is allowed to absorb consolidation liquid until saturation. For badly deteriorated sandstone two consolidation treatments seem to be sufficient; a third application probably does not improve the physical properties of the stone. It was observed that treatments carried out 10 to 15 years ago still have the intended strengthening effect on the stone. If Gotland sandstone remains exposed to water, the consolidating treatment, in most cases, gives only a 5 to 10 years protecting effect; thereafter the treatment needs to be repeated. However, the long-term effects and efficacy of periodically repeated consolidation treatments of Gotland sandstone need to be studied further before such a procedure can be recommended as standard procedure. Also a suggestion for preventive consolidation of freshly quarried Gotland sandstone for the exchange of damaged parts is presented.

Document
A Procedure for Verifying Pavix CCC100 Concrete Impregnation by Core Examination Professor Denis A. Chamberlain FICE The objective of this study is to devise a practical, low cost procedure for verifying concrete impregnation by means of cores extracted from a structure. In this, the central idea is to compare treated and untreated areas. For the purposes of testing, pairs of cores are extracted from both treated and untreated areas. The two approaches investigated are (i) petrographic examination and (ii) performance testing. A total of 12 pairs of cores were use in the study. The report concludes with a provisional procedure for the later, this involving use of a soluble fluorescent dye. Document
Health and Safety for Historic Graveyards: Guidance for visitors and owners Historic Scotland Health and Safety for Historic Graveyards: Guidance for visitors and owners, This leaflet provides guidance on health and safety issues for visitors to graveyards and owners of memorials. In almost every graveyard the safety of visitors and workers in the graveyard is endangered due to the dangerously unstable condition of many memorials. This danger may not be apparent immediately as gravestones can be perfectly upright and show no obvious signs of instability, yet still be highly unstable. If your family is the legal owner of a memorial, it is your family’s responsibility to ensure that the memorial is in a safe condition and does not pose a risk to users of the graveyard. Document
Working in a scheduled or listed graveyard or burial ground Historic Scotland Working in a scheduled or listed graveyard or burial ground. A graveyard or burial ground may be covered by a range of cultural and natural heritage designations. All or part of it may be a scheduled ancient monument, listed building, conservation area or designed landscape. This leaflet describes the legal and practical implications of the cultural heritage designations for anyone wishing to undertake work on such a site. Document
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