Comparison of Construction method
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Strut method (L=600.0m, B=22.0m, Average H=8.0m, Load Decking:100m Criteria)
Classification |
Steel Pipe Strut |
Working Drawing |
|
Structural Safety |
- High structural safety
- Better structural shape
- Strut longitudinal interval L≤5m
- Strut transverse interval L≤17m
|
Construct Ability |
- Less supplement
- Able to secure work space for heavy
equipment
- Faster construction with easy
installation
- Able to secure relatively wide
working space
|
Economic Efficiency |
- Estimated construction
cost $4.15 million (1.00)
|
Appraisals |
- Secure structural safety
- High economic and workability
|
Classification |
H-shape steel strut |
Working Drawing |
|
Structural Safety |
- Normal structural safety
- Weakness for bucking of weak axis
direction
- Strut longitudinal spacing L≤3m
- Strut transverse spacing L≤8m
|
Construct Ability |
- Minimize influence on nearby
ground
- Many supplements are required
- Restriction of working area
- Domestic common method
|
Economic Efficiency |
- Approximate construction
cost: $4.77 million (1.15)
|
Appraisals |
|
Non strut method
Classification |
Earth anchor |
Working Drawing |
|
Structural Safety |
- Low structural safety
- Restriction of ground condition
- Anchor spacing: 2~4m
|
Construct Ability |
- Optimum method for securing
wild working space
- Favorable to build main structure
- Civil complaints from occupying
nearby private land
- Generalized method
|
Economic Efficiency |
- Estimated construction
cost: $5.39 million (1.30)
|
Appraisals |
- If surrounding condition is met,
high workability
|
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