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Total Vertical Load for Maximum Intensity in horizontal plane on Buttress Dam Calculator

Load on Buttress Dams Formula:

\[ p = (\sigma_i - \frac{M_b \times Y_t}{I_H}) \times A_{cs} \]

Pa
N·m
m
m⁴
%
N

1. What is Load on Buttress Dams?

Definition: This calculator determines the total vertical load acting on a buttress dam based on stress intensity, bending moment, and geometric properties.

Purpose: It helps civil engineers design and analyze buttress dams by calculating the vertical load distribution.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ p = (\sigma_i - \frac{M_b \times Y_t}{I_H}) \times A_{cs} \]

Where:

  • \( p \) — Load on Buttress Dams (N)
  • \( \sigma_i \) — Intensity of Normal Stress (Pa)
  • \( M_b \) — Bending Moment (N·m)
  • \( Y_t \) — Distance from Centroidal (m)
  • \( I_H \) — Moment of Inertia of horizontal section (m⁴)
  • \( A_{cs} \) — Cross-Sectional Area of Base (m²)

Explanation: The formula calculates the vertical load by adjusting the normal stress intensity with the bending effects and multiplying by the cross-sectional area.

3. Importance of Load Calculation

Details: Accurate load calculation ensures structural stability, proper weight distribution, and safety of the dam structure.

4. Using the Calculator

Tips: Enter all required parameters including stress intensity, bending moment, geometric properties, and tolerance percentage. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the typical tolerance percentage?
A: A ±5% tolerance is commonly used, but this can vary based on specific engineering requirements.

Q2: How do I determine the bending moment?
A: The bending moment can be calculated from the water pressure distribution and dam geometry.

Q3: What affects the moment of inertia in this calculation?
A: The moment of inertia depends on the cross-sectional shape and dimensions of the dam.

Q4: Why include distance from centroidal?
A: This accounts for how the bending moment affects different parts of the cross-section.

Q5: How does this relate to dam safety?
A: Proper load calculation ensures the dam can withstand all expected forces without failure.

Total Vertical Load for Maximum Intensity in horizontal plane on Buttress Dam Calculator© - All Rights Reserved 2025