Building Technology Ref.notes

Cross Tee - answer-Short metal "T" beam used in suspended ceiling systems to bridge the spaces between the main beams Pantile - answer-Roofing tile which has the shape of an "S" laid on its side SAD - answer-Clay roofing tile approximately semi cylindrical in shape laid in courses with units having their convex side alternately up and down Dado - answer-Groove cut into a board or panel intended to receive the edge of a connecting board Foundation Wall - answer-Part of the building foundation which forms the permanent retaining wall of the structure below grade Grade Beam - answer-Part of a foundation system which supports the exterior walls of a superstructure and bears directly on the column footing Dampproofing - answer-Black, tar like waterproofing material applied to the exterior of a foundation wall Balloon Framing - answer-System of framing a building in which the studs are continuous to roof supporting second floor joints Western Framing - answer-System of framing a building on which floor joists of each storey rest on the top plates of the storey below and the bearing walls and partitions rest on the subfloor of each storey Dead Bolt - answer-An exterior security lock installed on exterior entry doors that can be activated only with a key or thumb-turn Tryolean Finish - answer-Rough plaster finish obtained by flinging plaster on a wall with a hand operated machine Chord - answer-Principal member of the truss which extends from one end to the other primarily to resist bending Alloy - answer-Composition of two or more metals fused together usually to obtain a desired property Backset - answer-Horizontal distance from the face of a lock or latch to the center of the knob or lock cylinder Baluster - answer-Vertical members in a railing used between a top rail and bottom rail or the stair treads Cast Iron - answer-An iron alloy usually including carbon and silicon which has high compressive strength but low tensile strength Nickel Steel - answer-Ferrous metal that offers great resistance to abrassion and finds important use in the cutting edges of heavy digging tools Wrought Iron - answer-Commercially pure iron of fibrous nature, valued for its corrosion resistance and ductility Double Glass - answer-Window or door in which two panes of glass are used with a sealed air space between