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Mortarless Masonry Design Manual - AS 3700:2001 - Part 2b
Warwick Colefax BE(Hons) DipTechEng(Struct) MIEAust CPEng RPEQ
200 mortarless (design tables) chamfered blocks
In this mortarless masonry Design Manual Part 2b, design tables are provided for combinations of block grades (unconfined compressive strengths) and core fill grout strengths (28 day cylinder compressive strengths) as follows:
BLOCK GRADES: 15 & 20 MPa
GROUT: 15, 20 & 25 MPa
AVAILABILITY of SUPPLY:
The 200 chamfered mortarless masonry units to which these design tables apply are manufactured in the following regions:
- Australia (Far North Queensland)
Prior to specifying 200 chamfered mortarless masonry check availability and check proximity of nearest supplier with your local Licensee. 200 chamfered mortarless may not be manufactured in your area.
DISCLAIMER:
This mortarless masonry Design Manual has been compiled to assist structural engineers to quickly and efficiently prepare designs and details of load-bearing mortarless masonry structures and elements. Numerous design tables have been provided and these cover a broad range of typical design applications. While every care has been taken to ensure the information provided is accurate and complete for the design situations and actions covered, the information should only be used by experienced practising structural engineers, and all engineers should familiarise themselves with the full contents of the applicable Standards to ensure no requirement is overlooked. Mortarless Pty Ltd, its licensees and the author accept no liability whatsoever arising out of the use or misuse of the information provided in this design manual.
CONTENTS:
SECTION 1. 200 CHAMFERED mortarless MASONRY UNITS:
- 1.1 Cross section dimensions and properties
- 1.2 Maximum heights and lengths of walls and piers for robustness
SECTION 2. DESIGN OF WALLS FOR COMPRESSION:
- Section 2.1 - Compression load capacity tables for design by simple rules
- Section 2.2 - Compression load capacity tables for design using refined calculation:
- Section 2.2.1 - Load tables for walls constructed with 15 MPa blocks & 15 MPa grout
- Section 2.2.2 - Load tables for walls constructed with 15 MPa blocks & 20 MPa grout
- Section 2.2.3 - Load tables for walls constructed with 20 MPa blocks & 20 MPa grout
- Section 2.2.4 - Load tables for walls constructed with 20 MPa blocks & 25 MPa grout
SECTION 3. DESIGN OF WALLS FOR BENDING:
- 3.1 Reinforcing bar positions
- 3.2 Table of bending moment capacities (vertical and horizontal)
- Diagram 5-1: In-plane shear capacity of unreinforced mortarless
- Table 5.1: In-plane shear capacity of reinforced mortarless
- Table 5.2: Out-of-plane shear capacity of reinforced mortarless
- Table 5.3: Shear capacity of beams without shear reinforcement
- Table 5.4: Shear capacity of beams with ties at 200 centres
- Table 5.5: Shear capacity of beams with ties at 400 centres
SECTION 4. DESIGN OF WALLS FOR COMBINED COMPRESSION & BENDING
SECTION 5. DESIGN OF WALLS FOR SHEAR: