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A course is a layer of the same unit running horizontally in a wall. It cans also be defined as a continuous row of any masonry unit such as brick concrete masonry units (CMU), stone, shingles, tiles, etc.[1]
Coursed masonry construction is that in which units are arranged in regular courses, and not irregularly. On the other hand coursed rubble masonry construction is that in which units of random size, that are not cut down, are used to build courses and the in between spaces are filled with mortar or smaller stones.[1]
If a course is the horizontal arrangement then a wythe is the vertical section of a wall.[2]
Several courses make up a bond pattern. The types of bond patterns can be found under Brickwork.[2]
Different patterns can be used in different parts of building, some decorative and some structural.[2]
Styles-
Brick coursing can be arranged in different orientations based on the which side of the brick is facing the outside and how it is positioned. [2]
Stretcher: Units are laid horizontally with their longest end parallel to the face of the wall.[1]
Header: Units are laid on their widest edge so that their shorter ends face the outside of the wall. They overlap four stretches (two below and two above) and ties them together.[1]
Rowlock: Units laid on their narrowest edge so their shortest edge faces the outside of the wall.[1]
Soldier: Units are laid vertically on their shortest ends so that their narrowest edge faces the outside of the wall.[1]
Sailor: Units are laid vertically on their shortest ends with their widest edge facing the wall surface.[1]
(See Brickwork for more)
Types of Courses-
Stretcher Course (Stretching Course): This is a course made up of a row of stretchers.[1]
Header Course: This is a course made up of a row of headers.[1]
Bond Course: This is a course of headers that bond the facing masonry to the backing masonry.[1]
String Course (Belt Course or Band Course): A horizontal row of masonry, narrower than the other courses, that extends across the façade of a structure or wraps around decorative elements like columns. This is a bond course.[1][2]
Sill course: Stone masonry courses at the windowsill, projected out from the wall.[1]
Split course: Units are cut down so they smaller than their normal thickness.[1]
Springing Course: Stone masonry on which the first stones of an arch rest.[1]
Starting Course: The first course of a unit, usually referring to shingles.[1]
Case Course: Units form the foundation or footing course. It is the lowest course in a masonry wall used for multiple functions.[1]
Barge Course: Units form the coping of a wall by bricks set on edge.[1]
References
[edit]- ^ a b c d e f g h i j k l m n o p q Harris, Cyril (2006). Dictionary of Architecture and Construction (Forth ed.). United States of America. ISBN 978-0071452373.
{{cite book}}:|access-date=requires|url=(help)CS1 maint: location missing publisher (link) - ^ a b c d e Ballast, David; O'Hara, Steven (2016). ARE 5 Review Manual for the Architect Registration Exam. United States of America: Professional Publications Inc.