摘要 |
<p>Shell of screening bricks, cast with reinforced hard setting material, comprises the screening brick lintel which is prefabricated for rapid installation. The end faces of the lintel (1) have protruding bearing anchors (5) let into them. These are pref flat bars of chrome nickle steel, in the lower lintel area. End faces fit a masonry abutment. Construction is simplified.</p> |