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Wall structures

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Wall structures

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    1. wall structures

    2. Walls Walls can be classified in a number of ways:- Solid Cavity Internal External Load bearing or Non load bearing Load bearing supporting roofs, floors etc. Non load bearing Dividing spaces

    3. Main functions of walls Strength Stability Weather exclusion Thermal Insulation Sound Insulation Durability Fire resistance Appearance

    4. Bonding of Brickwork / Blockwork Bonding of brickwork is the arrangement of brickwork in a wall, column or pier which will give maximum overlap and no continuous vertical joints. The purpose of bonding is to:- Obtain maximum strength whilst distributing the loads carried by the walls. Ensure lateral stability and resistance to side thrusts. Create an acceptable appearance.

    5. Bonding of Brickwork / Blockwork Bonded wall load is distributed over the whole wall and has greater resistance to side thrust. Standard brick sizes Length + one mortar joint =225mm Width + one mortar joint =112.5mm Height + one mortar joint =75mm Mortar joint thickness = 10mm

    6. Stretcher Bond This is the simplest and most widely used bond. It is used for half brick walls and cavity walls. The bricks must lap over each other in successive courses in a fashion similar to the one shown below.

    7. Formation of a corner in stretcher bond

    8.

    11. The cavity should start 150mm below the lowest damp proof course. In facing brickwork every 4th vertical joint is left out at the base of the cavity to allow any build-up of moisture at the base of the cavity to escape.

    12. Cavity walls in block construction A cavity wall consists of two brick thick leaves with a cavity between them. The outer leaf in conjunction with the cavity acts as a barrier to moisture. The Inner leaf supports most of the load from floors and the roof. If heavier loads than usual have to be supported the inner leaf can be built one brick thick or more. There is no need to increase the thickness of the outer leaf.

    13. Cavity walls in brick construction with insulation This wall is similar in construction to the first cavity wall, the only exception being the inclusion of insulation. Wall ties are manufactured from stainless steel.

    14. Timber stud walls

    15. Timber stud walls

    16. Timber stud walls

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