Monday, June 1, 2020

Building construction

Building construction

Doors

๐Ÿ”ธ A door may be defined as an openable barrier secured in a wall opening.

๐Ÿ”ธ Technical Terms

1. Frame : It is an assembly of horizontal and vertical members, forming an enclosure, to which the shutters are fixed.

2. Shutters : These are the openable parts of a door or window. It is an assembly of styles, panels and rails.

3. Head : This is the top or uppermost horizontal part of a frame.

4. Sill : This is the lowermost or bottom horizontal part of a window frame. Sills are normally not provided in door frames.

5. Horn : These are the horizontal projections of the head and sill of a frame to facilitate the fixing of the frame on the wall opening. The length of horns is kept about 10 to 15 cm

6. Style : Style is the vertical outside member of the shutter of a door or window.

7. Top rail : This is the top most horizontal member of a shutter.

8. Lock rail : This is the middle horizontal member of a door shutter, to which locking arrangement is fixed.

9. Bottom rail : This is the lowermost horizontal member of a shutter.

10. Intermediate or cross-rails : These are additional horizontal rails, fixed between be top and bottom rails of a shutter. A rail fixed between the top rail and lock rail is called frieze rail.

11. Panel : This is the area of shutter enclosed between the adjacent rails.

12. Mullion : This is a vertical member of a frame, which is employed to sub-divide a Window or a door vertically.

13. Transom : This is a horizontal member of a frame, which is employed to sub divide a window opening horizontally.

14. Hold fasts : These are mild steel flats (section 30 mm x 6 mm), generally bent into Z-shape, to fix or hold the frame to the opening. The horizontal length of hold fast is kept about 20 cm, and is embedded in the masonry.

15. Jamb : This is the vertical wall face of an opening which supports the frame.

16. Reveal : It is the external jamb of a door or window opening at right angles to the wall face.

17. Rebate : It is depression or recess made inside the door frame, to receive the door shutter.

♦️ Size of doors

๐Ÿ”น Common width height relation used in India

๐Ÿ‘‰ Width :- 0.4 to 0.6 heights

๐Ÿ‘‰ Height :- (width + 1.2 ) meter
๐Ÿ”ธ Designation of door

๐Ÿ‘‰ 8DS20 means width (800mm), Height (2000mm), D (Door) & S (Single shutter)

๐Ÿ‘‰ 10DT21 means width (1000mm), Height (2100mm), D (Door) & T (Double shutter)

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