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Wheelchair Ramp Slope Formula:
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The wheelchair ramp slope is the ratio of vertical rise to horizontal run, indicating the steepness of the ramp. It's crucial for accessibility and safety, ensuring wheelchair users can navigate the ramp comfortably and safely.
The calculator uses the basic slope formula:
Where:
Explanation: The slope is expressed as a ratio (e.g., 1:12), where the first number represents the vertical rise and the second number represents the horizontal run.
Details: According to Australian standards (AS 1428.1), for ramp lengths over 1900mm, the maximum allowable slope is 1:14. This ensures safe and accessible ramp design for wheelchair users.
Tips: Enter the vertical rise and horizontal run in millimeters. The calculator will determine the slope ratio and check compliance with Australian standards for ramps over 1900mm in length.
Q1: What is the maximum slope allowed for wheelchair ramps in Australia?
A: For ramp runs over 1900mm, the maximum slope is 1:14. Shorter ramps may have steeper slopes but must meet specific requirements.
Q2: Why is ramp slope important?
A: Proper slope ensures wheelchair users can navigate safely without excessive effort or risk of tipping. It also affects usability for people with mobility impairments.
Q3: How do I measure rise and run accurately?
A: Rise is the vertical height difference from start to finish. Run is the horizontal distance the ramp covers. Measure both in millimeters for precise calculations.
Q4: Are there different standards for different ramp lengths?
A: Yes, Australian standards specify different maximum slopes based on ramp length. Longer ramps require gentler slopes for safety and accessibility.
Q5: What other factors should I consider when designing a ramp?
A: Besides slope, consider landing platforms, handrails, surface texture, width, and edge protection to ensure complete accessibility and safety.