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Article
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Description
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Introduction
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An overview of the characteristics of mortar
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Wet Characteristics
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Workability
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Retentivity and flow
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Dry Characteristics
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Compressive Strength
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Bond Strength
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Replacing Historic Mortar
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reproducing similar products for restoration and repair of existing masonry, and identify the fundamental parameters and standardized
testing methods for the old mortars.
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Understanding Mortar: Masonry Materials
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It is critical to appreciate mortar's properties and how the ingredients in mortar affect performance. Three important properties of
mortar are workability, bond, and compressive strength.
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A Case for Hydraulic Mortar: Masonry Materials
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Like everything old, hydraulic mortars are new again, finding a place in historic restorations
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Grinders for Removing Mortar
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Small disc grinders are indispensable for repair contractors who do a lot of masonry repointing. These electric-powered right angle
grinders allow hardened mortar to be cut out quickly and efficiently
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Pointing with Poise
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Getting mortar into a thin joint between already-placed units can be a difficult, messy and expensive operation. Some innovative companies,
however, have developed equipment that eliminates much of the agony.
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Selecting Mortar for Historic Preservation Projects
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The article provides guidelines for determining the composition of a structure's existing mortar and advocates using a lime-based
mortar for repointing if a lime mortar was used originally
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Surface Grouting to Repair Mortar Joints
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When joints are weathered but not badly deteriorated, surface grouting can stop leaks more economically than repointing. Try Surface
Grouting
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