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Presentation on Lintels and Arches
Course title: Details of construction
Course code: CE- 2110
Submitted to:
MD. Motiur Ra...
LINTELS
 A lintelis a structural horizontal block that spans the space or opening between two
vertical supports.It can be...
TYPES OF LINTELS BY
MATERIALS
 Wooden lintels
 Stone lintels
 Brick lintels
 Reinforced Brick lintels
 Reinforced Con...
WOODEN
LINTELS
Generally used in hilly
areas where timber is easily
available
It is not fire proof
The minimum depth of...
STONE
LINTELS
Commonly used in
stone districts
It is highly cost
The thickness is taken
as 4 cm per 30 cm
length of spa...
BRICK
LINTELS
They are considered
suitable for small openings
with light loading
conditions.
It is constructed with
hard...
REINFORCED
BRICK
LINTELS
 It is required in
large span
 The gap of bricks
is filled with rich
cement mortar
Reinforced B...
REINFORCED
CONCRETE
LINTELS
 It is used for durability,
strength and fire resisting
property.
 It is used for bigger spa...
STEEL
LINTELS
It is used in a large
opening carrying
heavy wall load is
to be spanned by a
lintelSteel lintel
ARCHES
 An arch may be defined as mechanical arrangement of wedge
shaped blocks of stones or bricks mutually supporting e...
TECHNICAL
TERMS
Abutment
Arch ring
Intrados
Extrados
Voussoirs
Springing stone
Springing line
Crown
Key stone
Skew back
Sp...
TYPES OF ARCHES BY MATERIALS
AND CONSTRUCTION
1. Brick arches
2. Stone arches
3. Concrete arches
4. Flat arches
5. Semi ci...
BRICK
ARCHES
 It is three types:
Rough arches: Generally used
over wooden lintels.
Axed arches: The wedge shaped
units ar...
STONE
ARCHES
 Two types:
1. Rubble arches: Rubble stone
and roughly shaped.
2. Ashlar arches: Arch stone and
proper shape...
CONCRETE
ARCHES
Two types :
1.Concrete block arches:
For small opening and span.
2. Monolithic Concrete
arches: For large ...
OTHER
TYPES OF
ARCHES
Segmental
arches
Semi circular
arches
Semi circular Arches
OTHER TYPES
OF ARCHES
Relieving Arch
Dutch or French
Arch
Fig: Relieving Arch
Fig: Dutch or French Arch
Thank you……
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Lintels and arches

Shakil Ahmmad ,Pabna University of Science and Technology

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Lintels and arches

  1. 1. Presentation on Lintels and Arches Course title: Details of construction Course code: CE- 2110 Submitted to: MD. Motiur Rahman Asst. Professor Dept. of Civil Engineering Submitted by: MD. Rokib uddin- 141123 Group : 5
  2. 2. LINTELS  A lintelis a structural horizontal block that spans the space or opening between two vertical supports.It can be a load-bearing building component, a decorative architectural element, or a combined ornamented structural item. It is often found over portals, doors, windows, and fireplaces.
  3. 3. TYPES OF LINTELS BY MATERIALS  Wooden lintels  Stone lintels  Brick lintels  Reinforced Brick lintels  Reinforced Concrete lintels  Steel lintels
  4. 4. WOODEN LINTELS Generally used in hilly areas where timber is easily available It is not fire proof The minimum depth of the lintel should be 7.6 cm. Fig: Wooden lintels
  5. 5. STONE LINTELS Commonly used in stone districts It is highly cost The thickness is taken as 4 cm per 30 cm length of span Fig: Stone lintels
  6. 6. BRICK LINTELS They are considered suitable for small openings with light loading conditions. It is constructed with hard, well burnt, first class bricks. Fig: Brick lintels
  7. 7. REINFORCED BRICK LINTELS  It is required in large span  The gap of bricks is filled with rich cement mortar Reinforced Brick lintel
  8. 8. REINFORCED CONCRETE LINTELS  It is used for durability, strength and fire resisting property.  It is used for bigger span and heavy loading.  It is constructed with 1:2:4 cement concrete reinforced with steel bar.Fig: Reinforced Concrete lintel
  9. 9. STEEL LINTELS It is used in a large opening carrying heavy wall load is to be spanned by a lintelSteel lintel
  10. 10. ARCHES  An arch may be defined as mechanical arrangement of wedge shaped blocks of stones or bricks mutually supporting each other and supported at the end by piers or abutments. Arches
  11. 11. TECHNICAL TERMS Abutment Arch ring Intrados Extrados Voussoirs Springing stone Springing line Crown Key stone Skew back Span Rise Springing points Depth Haunch Spandril
  12. 12. TYPES OF ARCHES BY MATERIALS AND CONSTRUCTION 1. Brick arches 2. Stone arches 3. Concrete arches 4. Flat arches 5. Semi circular arches 6. Segmental arches 7. Relieving arches 8. Dutch or French arches
  13. 13. BRICK ARCHES  It is three types: Rough arches: Generally used over wooden lintels. Axed arches: The wedge shaped units are not finely dressed. Gauged arches : Accurately prepared to a wedge shape. Fig: Rough brick arches Fig: Axed brick arch
  14. 14. STONE ARCHES  Two types: 1. Rubble arches: Rubble stone and roughly shaped. 2. Ashlar arches: Arch stone and proper shaped.  Flat stone arches  Semi circular stone arches Flat stone arches Semi circular stone arch
  15. 15. CONCRETE ARCHES Two types : 1.Concrete block arches: For small opening and span. 2. Monolithic Concrete arches: For large opening like roof, bridge etc. Fig: Concrete block arches Monolithic Concrete Arches
  16. 16. OTHER TYPES OF ARCHES Segmental arches Semi circular arches Semi circular Arches
  17. 17. OTHER TYPES OF ARCHES Relieving Arch Dutch or French Arch Fig: Relieving Arch Fig: Dutch or French Arch Thank you……

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Shakil Ahmmad ,Pabna University of Science and Technology

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