AS 2870.1-1988

1 - AS 2870.1-1988 RESIDENTIAL SLABS AND FOOTINGS - CONSTRUCTION
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 APPLICATION.
6 - 1.3 DESIGN REQUIREMENTS.
6 - 1.4 REFERENCED DOCUMENTS.
6 - 1.5 DEFINITIONS.
8 - 1.6 NOTATION.
8 - 1.7 REINFORCEMENT DESIGNATION AND EQUIVALENCES.
8 - 1.7.1 Trench mesh.
8 - 1.7.2 Fabric.
8 - 1.7.3 Reinforcing bars.
9 - SECTION 2. SITE CLASSIFICATION
9 - 2.1 GENERAL.
9 - 2.1.1 Designation.
9 - 2.1.2 Classification.
9 - 2.1.3 Effect of site works on classification.
9 - 2.1.4 Design of footing systems.
9 - 2.1.5 Allowable bearing pressure.
9 - 2.2 NATURAL CLASS A AND CLASS S SITES.
9 - 2.2.1 Sand or rock site.
9 - 2.2.2 Silt sites.
9 - 2.2.3 Slightly reactive clay sites.
9 - 2.2.4 Sites underlain by clay.
9 - 2.3 NATURAL CLASS M, CLASS H AND CLASS E SITES.
9 - 2.4 CLASS P SITES.
9 - 2.4.1 General.
10 - 2.4.2 Soft soils.
10 - 2.5 EFFECT OF FILL ON NATURAL CLASSIFICATION
10 - 2.5.1 Shallow fill.
10 - 2.5.2 Deep sand fill.
10 - 2.5.3 Deep fill other than sand.
10 - 2.5.4 Reclassification of filled sites.
11 - SECTION 3. DESIGN OF FOOTING SYSTEMS CLASS A AND CLASSS SITES
11 - 3.1 FOOTING SYSTEM DESIGNATION.
11 - 3.2 DESIGN OF FOOTING SYSTEM.
11 - 3.2.1 Design procedure.
11 - 3.2.2 Design for single-leaf masonry.
11 - 3.2.3 Reinforced masonry.
11 - 3.2.4 Design for framed double-leaf masonry.
11 - 3.2.5 Design details and construction.
11 - 3.2.6 Outbuildings and extensions.
11 - 3.2.7 Partial rock foundation.
11 - 3.2.8 Complete rock foundation.
11 - 3.2.9 Rock outcrops.
11 - 3.2.10 Wind forces.
11 - 3.3 PIER-AND-BEAM, PIER-AND-SLAB OR PILESYSTEMS.
11 - 3.4 SUSPENDED CONCRETE FLOORS IN ONE-STOREY CONSTRUCTION.
12 - 3.5 FOOTING SYSTEMS FOR TWO-STOREY CONSTRUCTION WITH SUSPENDED CONCRETEFLOOR.
13 - 3.6 FOOTINGS FOR CONCENTRATED LOADS.
13 - 3.6.1 Footings for columns.
13 - 3.6.2 Footings for fireplaces.
16 - SECTION 4. DESIGN OF FOOTING SYSTEMS CLASS M AND CLASS H SITES
16 - 4.1 FOOTING SYSTEMS DESIGNATION.
16 - 4.2 DESIGN OF FOOTING SYSTEMS.
16 - 4.2.1 Design procedure.
16 - 4.2.2 Design for single-leaf masonry.
16 - 4.2.3 Reinforced masonry.
16 - 4.2.4 Design for framed double-leaf masonry.
16 - 4.2.5 Masonry feature walls.
16 - 4.2.6 Design detailsand construction require- ments.
16 - 4.2.7 Outbuildings and extensions.
16 - 4.2.8 Partial rock foundation.
16 - 4.2.9 Rock outcrop.
16 - 4.2.10 Wind forces.
17 - 4.3 PIER-AND-BEAM, PIER-AND-SLAB OR4.4 CONCENTRATEDLOADSONFOOTING PILESYSTEMS.SYSTEMSFORREACTIVECLAYS.
17 - 4.4 CONCENTRATED LOADS ON FOOTING SYSTEMS FOR REACTIVE CLAYS.
24 - SECTION 5. DESIGN OF FOOTING SYSTEMS - REGIONS INCLUDING CLASS E SITES
24 - 5.1 GENERAL.
24 - 5.2 SITE CLASSIFICATION.
24 - 5.3 STRUCTURAL DESIGN.
24 - 5.3.1 Structural design for stable sites.
24 - 5.3.2 Structural design for stiffened rafts on reactive sites.
25 - 5.3.3 Structural design for waffle rafts on reactive sites.
25 - 5.3.4 Concession or extensions and outbuildings.
26 - 5.3.5 Reinforced masonry.
27 - SECTION 6. CONSTRUCTION REQUIREMENTS
27 - 6.1 SLABS.
27 - 6.1.1 General.
27 - 6.1.2 Filling.
27 - 6.1.3 Foundation or slabs.
27 - 6.1.4 Vapour barrier.
27 - 6.1.5 Edge rebates.
28 - 6.1.6 General drainage requirements.
28 - 6.1.7 Permanent excavations.
28 - 6.1.8 Temporary excavations.
28 - 6.1.9 Recesses in slab panels.
29 - 6.1.10 Heating cables and pipes.
29 - 6.1.11 Concrete.
29 - 6.1.12 Reinforcement.
30 - 6.1.13 Shrinkage control.
30 - 6.1.14 Treatment of sloping sites.
30 - 6.1.15 Retention of fill under slabs.
30 - 6.2 STRIP AND PAD FOOTINGS.
30 - 6.2.1 General.
30 - 6.2.2 Foundation.
30 - 6.2.3 Concrete.
30 - 6.2.4 Reinforcement.
31 - 6.2.5 Stepping of footings.
31 - 6.2.6 Permanent excavations.
31 - 6.2.7 Temporary excavations.
32 - 6.3 BUILDING PRACTICES FOR CLASS M, CLASS H OR CLASS E SITES.
35 - APPENDIX A - CLASSIFICATION OF DAMAGE

Sets out the requirements for the classification of a site and the design and construction of a footing system for a single dwelling house, town house or the like which may be detached or separated by a party wall or common wall but not situated vertically above or below another dwelling. The Standard may also apply to other forms of construction including some light commercial and institutional buildings if they are similar to houses in size, loading and superstructure flexibility. The footing systems for which designs are given include slab-on-ground, stiffened rafts, waffle rafts, strip footings and pad footings. The designs in this Standard do not apply to industrial buildings.

This Standard sets out the requirements for the classification of a site and the design and construction of a footing system for a single dwelling house, town house or the like which may be detached or separated by a party wall or common wall but not situated vertically above or below another dwelling.The Standard may also apply to other forms of construction including some light commercial and institutional buildings if they are similar to houses in size, loading and superstructure flexibility. The footing systems for which designs are given include slab-on-ground, stiffened rafts, waffle rafts, strip footings and pad footings. The designs in this Standard do not apply to industrial buildings.Provided that the requirements of this Standard are maintained, this Standard shall not be interpreted so as to prevent the use of materials or methods of design not specifically referred to herein.

Under Revision See DR 94400