> ## Documentation Index
> Fetch the complete documentation index at: https://calcs.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# AU/NZ-based Calculations

> Structural engineering calculations based on Australian and New Zealand standards (AS, NZS)

# 🇦🇺 AU/NZ-based Structural Calculations

Welcome to the AU/NZ-based calculations section. Here you'll find comprehensive documentation and examples for structural calculations based on Australian and New Zealand standards including AS 3600, AS 4100, AS 1720, AS/NZS 1170, and more.

## 🚀 Quick Start

<CardGroup cols={3}>
  <Card title="Getting Started" icon="rocket" href="/quickstart">
    Learn the basics of using Calcs.com
  </Card>

  <Card title="Project Defaults" icon="sliders" href="/calculations/au/project_defaults_au_nz">
    Configure default values for AU/NZ projects
  </Card>

  <Card title="Wind Loads" icon="wind" href="/calculations/au/how_to_calculate_wind_loads_to_as_nz_1170_2_2011">
    Calculate wind loads to AS/NZS 1170.2:2011
  </Card>
</CardGroup>

## 📐 Calculation Modules

### Beams

<CardGroup cols={3}>
  <Card title="Timber Beams" icon="tree" href="/calculations/au/how_to_design_a_timber_beam_to_as_1720_1_2010">
    Design timber beams to AS 1720.1:2010
  </Card>

  <Card title="Steel Beams" icon="grip" href="/calculations/au/how_to_design_a_steel_beam_to_as_4100_1998">
    Design steel beams to AS 4100:1998
  </Card>

  <Card title="Concrete Beams" icon="building" href="/calculations/au/how_to_design_a_concrete_beam_to_as_3600_2018">
    Design concrete beams to AS 3600:2018
  </Card>

  <Card title="Cold-Formed Steel" icon="layer-group" href="/calculations/au/how_to_design_a_cold_formed_steel_beam_to_as4600_2018">
    Design cold-formed steel to AS/NZS 4600:2018
  </Card>

  <Card title="Concrete Beam Guide" icon="book" href="/calculations/au/au_concrete_beam_to_as3600_2018_how_to_design_guide">
    Comprehensive concrete beam design guide
  </Card>

  <Card title="AS 3600 Amendment 2" icon="file-contract" href="/calculations/au/changes_in_as3600_2018_amendment_2__concrete_">
    Changes in AS 3600:2018 Amendment 2
  </Card>
</CardGroup>

### Columns

<CardGroup cols={3}>
  <Card title="Timber Columns" icon="columns" href="/calculations/au/how_to_design_a_timber_column_to_as_1720_1_2010">
    Design timber columns to AS 1720.1:2010
  </Card>

  <Card title="Steel Columns" icon="grip" href="/calculations/au/how_to_design_a_steel_column_to_as_4100_1998">
    Design steel columns to AS 4100:1998
  </Card>

  <Card title="Concrete Columns" icon="building" href="/calculations/au/how_to_design_a_concrete_column_to_as3600_2018">
    Design concrete columns to AS 3600:2018
  </Card>
</CardGroup>

### Foundations & Retaining Walls

<CardGroup cols={3}>
  <Card title="Concrete Pad Footings" icon="square" href="/calculations/au/how_to_use_the_concrete_pad_footing_calculator_as_3600_2018">
    Design pad footings to AS 3600:2018
  </Card>

  <Card title="Sleeper Retaining Walls" icon="wall" href="/calculations/au/how_to_design_a_sleeper_retaining_wall">
    Design sleeper retaining walls
  </Card>

  <Card title="Concrete Sleeper Walls" icon="shield" href="/calculations/au/concrete_sleeper__steel_post_retaining_wall___how_to_use">
    Concrete sleeper & steel post walls
  </Card>

  <Card title="Masonry Retaining Walls" icon="building" href="/calculations/au/how_to_design_a_masonry_retaining_wall">
    Design masonry retaining walls
  </Card>

  <Card title="Bearing Capacity" icon="weight" href="/calculations/au/bearing_capacity_calculator">
    Calculate soil bearing capacity
  </Card>

  <Card title="Sleeper Calculator" icon="calculator" href="/calculations/au/designing_the_sleepers_in_a_retaining_wall_sleeper_calculator">
    Design sleepers in retaining walls
  </Card>
</CardGroup>

### Other

<CardGroup cols={3}>
  <Card title="Steel Angle Lintels" icon="grip" href="/calculations/au/how_to_design_a_steel_angle_lintel_to_as_4100_1998">
    Design steel angle lintels to AS 4100:1998
  </Card>

  <Card title="Bushfire Attack Level" icon="fire" href="/calculations/au/how_to_calculate_the_bushfire_attack_level_to_as_3959_2018">
    Calculate BAL to AS 3959:2018
  </Card>

  <Card title="Concrete Slabs" icon="square" href="/calculations/au/concrete_slabs">
    Concrete slab design and analysis
  </Card>
</CardGroup>

## 📚 Popular Guides

<CardGroup cols={2}>
  <Card title="Wind Load Calculations" icon="wind" href="/calculations/au/how_to_calculate_wind_loads_to_as_nz_1170_2_2011">
    Complete guide to wind load calculations per AS/NZS 1170.2:2011
  </Card>

  <Card title="Timber Beam Design" icon="tree" href="/calculations/au/how_to_design_a_timber_beam_to_as_1720_1_2010">
    Step-by-step timber beam design guide
  </Card>
</CardGroup>

## 🔍 Browse by Category

Use the navigation menu on the left to explore all available calculation modules organized by:

* **Beams** - Timber, Steel, Concrete, Cold-Formed Steel
* **Columns** - Timber, Steel, Concrete
* **Foundations & Retaining Walls** - Footings, Sleeper Walls, Masonry Walls
* **Masonry Supports** - Steel Angle Lintels
* **Other** - Wind Loads, Bushfire Attack Level, Concrete Slabs

## 💡 Need Help?

<CardGroup cols={2}>
  <Card title="FAQ" icon="circle-question" href="/learn_calcs/faq/common_errors_and_how_to_fix_them">
    Find answers to common questions
  </Card>

  <Card title="Contact Support" icon="headset" href="/contact_us">
    Get help from our support team
  </Card>
</CardGroup>