Content Page: 5 Masonry and Walling

  • Cover Over Reinforcement In Reinforcement Brickwork

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    (1) In reinforcement brickwork, the reinforcement shall have the cover prescribed by this section: Provided that the local authority may require a cover greater than that so prescribed where it considers that the latter is not adequate to prevent corrosion of the reinforcement under the particularly corrosive conditions which exist at the building site. (2)…

  • Detailed Requirements For Reinforced-Brick Walls

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    In reinforced-brick walls, the following requirements shall be complied with- a) where- i) the stresses in bearing-walls designed in accordance with sections 75 to 82 exceed those permitted in sections 67 and 68; and ii) such walls are required to sustain lateral forces or loads with an eccentricity greater than one-sixth of the thickness of…

  • Detailed Requirements For Reinforced-Brick Columns

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    a) the total cross-sectional area of the longitudinal steel reinforcement shall not be less than 0,4 per centum of the gross cross-sectional area of the column; b) there shall be at least one bar for each salient angle in the cross-section of the column; c) lateral ties shall be provided of a total volume of…

  • Permissible Stresses In Reinforcement Brickwork

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    (1) The stresses in reinforced brickwork shall not exceed, in any part, the values set out in Table XXVI . (2) The direct compressive stress and the compressive stress due to bending in members with slenderness ratios other than 12 shall not exceed the values set out Table XXVII for the strength of brick concerned,…

  • Mortar And Grout For Reinforced Brickwork

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    (1) Mortar used in reinforced brickwork shall be of class A or class B. (2) Mortar used for grouting shall be of class A or class B, with additional water in order to produce a consistency which will enable such mortar, or grout, to be poured without causing segregation. (3) Grout shall not be used…

  • Materials For Reinforced Brickwork

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    In reinforced brickwork- a) bricks shall have a compressive strength of not less than 14 megapascals; b) reinforcement shall comply with the requirements for reinforcement set out in Chapter 3; c) mortar materials shall be required by section section 5.

  • General Requirements For Reinforced Brickwork

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    (1) The design of buildings and structural members in buildings constructed of reinforced brickwork shall be based on the same general principles of design and analysis as are adopted for the design of similar members and structures of reinforced concrete. (2) The stresses in such members and structures shall not exceed the limits set out…

  • Reinforced-Concrete Walls And Columns

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    (1) Reinforcement, mixing and placing of reinforced-concrete walls.- Reinforcingof concrete walls shall be carried out, and the concrete shall be mixed and placed, in accordance with the requirements of Chapter 3 (2) Design and thickness of reinforced-concrete walls.-Reinforced-concrete walls shall be designed and constructed in accordance with the provisions of Chapter 3, and shall in…

  • Stresses Under Concentrated Loads

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    When the combined effects of axial, eccentric and lateral forces are all taken into account, the local under the ends of lintels or under column-bases or other concentrated loads shall not exceed the average stresses permitted by sections 67 to 72 for axial vertical loads alone by more than 50 per centum.

  • Stresses Due To Eccentric Or Lateral Forces

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    (1) When the eccentric or lateral forces, together with axial loads, have to be taken into account in walls, piers or columns, the stresses shall be calculated on the assumption that the straight-line theory applies to such walls, piers or columns as are subject to bending moments, that is to say that planes in the…