Senior Project Presentation

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Senior Project Presentation

• Zakariya Saleh Al-Helal
• ID 212543

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Outline

• Problem Description
• Objective Function
• Design Stage
• Design Constrains
• Excel Model
• Model Importance
• Results Concluded

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Problem Description

• Project Title
• Pipe-Line Anchor Block Optimization
• Anchor block! Why?
• restraints for pressurized pipes

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Problem Description
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Problem Description
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Problem Description
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Objective Function

• To optimize an anchor block for a given force
• How ?
• Minimize the volume A

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Design Stage

• Normal forces analysis
• Frictional forces
• Moments

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Design Stage

• Normal forces analysis
• In the horizontal direction

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Design Stage

• Normal forces analysis
• Where k is
• ka for active soil
• kp for passive soil
• ka

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Design Stage

• Normal forces analysis

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Design Stage

• Normal forces analysis

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Design Stage

• Normal forces analysis

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Design Stage

• Arms of actions

• 2

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Design Stage

• Arms of actions
• For resultant force

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Design Stage

• Normal forces analysis

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Design Stage

• Frictional forces

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Design Constrains

• Factors of Safety
• Against sliding 1.25
• Against overturning 1.5
• Soil bearing capacity
• 3 ksf
• 0

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Design Constrains

• Factors of Safety
• Against sliding 1.25

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Design Constrains

• Factors of Safety
• Against overturning 1.5

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Design Constrains

• Soil bearing capacity
• 3 ksf
• 0

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Design Constrains

• Soil bearing capacity
• 3 ksf
• 0

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Excel Model
Features

1. Easy to Handle
2. Flexible
3. Minimum Cost
4. Time Saving

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Excel Model

• Construction
• Optimization
• Verification Comparison
• Optimization

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Model Importance
Material Saving For a pipe force Fp1502
lb Current Technique V3016167680
ft3 Excel Modelminimzed to V4288 ft3
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Model Importance
Material Saving For a pipe force Fp1502
lb Typical Solution Obtained by Saudi Aramco
Engineer V3016167680 ft3 Excel
Modelminimzed to V4288 ft3 Saving 45
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Results Concluded

• The dimensions for a given force can be obtained
  using
• Model (Solver)
• Tables
• Charts
• Equations

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Results Concluded

• Equations
• with h1 3 ft
• For W4H
• H 0.8039 x0.3736 B 0.3968 x0.4072
• W 3.2154 x0.3736 d 0.4661x0.3794
• For W8H
• W 4.3888 x0.3905 H 0.5486 x0.3905,
• B 0.4239 x0.3593 d 0.2743x0.4162

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Results Concluded

• Equations
• For x1000
• For W4H
• H 10.6 B 6.6
• W 42.5 d 6.4

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Results Concluded

• Important Notice
• The dimensions are exponentially related to the
  pipes force magnitude
• Approximately Min 40 saving in material

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• THANKS