Bed joint

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bed joint

[′bed ‚jȯint]
(civil engineering)
A horizontal layer of mortar on which masonry units are laid.
One of the radial joints in an arch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Bed joint

1. The horizontal joint between two masonry courses; one of the radial joints in an arch.
2. The horizontal joint between two masonry courses. See also: Mortar joint
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

bed joint

bed joint, 1
1. A horizontal layer of mortar on which masonry units are laid.
2. One of the radial joints in an arch.
3. A horizontal crack in a massive rock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The shear failure was characterised by bed joints sliding and vertical joints opening, contributing to the development of stepped diagonal opening without visible cracking in the block units as shown in Figure 5(a) and (b) for W1 and W2.
2008) mechanical properties of masonry, as well as the deformations of mortar in bed joints, when masonry mortar reaches its designed strength.
If we repoint a stone wall with stiff, strong, sand and cement mortar, then the normal flexing that happens between the stone slabs on lime mortar bed joints, will crack the new pointing, allowing water to seep behind the pointing and after a few hard frosts, the new pointing will break away in big lumps.
In masonry, upon shearing along bed joints, brick units also undergo upward translation, causing global volume increase.
This state is accompanied by a process when at first tension cracks typically arise and bed joints open up, and the areas around the cross sections in which the joints were formed, ie the areas where the resultant of the tension leaves the cross-section core, are locally degraded.
Corroded nails are also a worry, as are cracked or eroded mortar bed joints on the ridge or hip ridge tiles.
Check for signs of loose or slipped tiles and slates, corroded nails and cracked or eroded mortar bed joints on the ridge or hip ridge tiles.
In a Wrightian manner, the horizontality of the lawn and the density and compression of the garden wall are reinforced by the elongated proportion of Norman bricks with deeply raked bed joints and by the long shadows cast by projecting metal heads and stone sills of windows.
On all copings, the cross and bed joints should be sealed; the bed joints with cement and the cross joints with cement and an expandable type of caulking, in order to prevent water penetration as the joints expand and contract with the weather.
According to EN 1996-1-1, characteristic compressive strength [f.sub.k] of concrete masonry made with thin layer mortar, in bed joints of thickness 0.5 mm to 3 mm, may be obtained from either: