. The complete home landscape. Landscape gardening; Gardens. CONSTRUCTION DETAILS—WALLS 41 sand and three parts crushed stone or gravel. The overflow opening should be located twelve to eighteen inches above the bottom of the basin so as to provide below it a space in which debris may collect. This opening should be protected as shown in Fig, 41. If made of brick, the walls should be about eight inches thick and the brick should be laid in a strong cement mixture. The brick floor, however, should be laid dry to permit seepage. On steep grades catch basins should be installed at intervals of fi
. The complete home landscape. Landscape gardening; Gardens. CONSTRUCTION DETAILS—WALLS 41 sand and three parts crushed stone or gravel. The overflow opening should be located twelve to eighteen inches above the bottom of the basin so as to provide below it a space in which debris may collect. This opening should be protected as shown in Fig, 41. If made of brick, the walls should be about eight inches thick and the brick should be laid in a strong cement mixture. The brick floor, however, should be laid dry to permit seepage. On steep grades catch basins should be installed at intervals of fifty feet, to prevent surface wash- ing; on more gentle slopes 150 feet apart is sufl&cient. Walls and Wall Building WALLS may be divided into several classes according to mate- rials used. As a rule they are made of brick, concrete, stone or wood. Brick walls are used extensively through the South as they are not affected by frost. Many retaining and fancy walls are made of brick. Concrete has come into vogue of late and is used considerably for rough walls and retaining walls. Stone is probably used for general wall building as much as any other material, as its utilization can be developed in many ways. TERMS USED IN WALL MAKING Walls proper are divided into two parts—a suhwall and a super-wall. If a wall has two faces the portion in the center is called the filling. Stretchers are the material of the principal surface of the wall laid lengthwise of the wall. A header is a piece that goes crosswise to rein- force the wall (Fig. 43). Quoins (Fig. 46) are pieces at the corner for binding. A voussoir is a keystone or wedgestone in the center of COP17SG £>AJ-0-STRADr. m Fig. 43.—Front view of part of a brick retaining wall to illustrate the various parts. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardens, booksubjectl
