Hat-type sheet pile × Close-proximity installation
- Road , Subway
- Temporary project
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Hat-type sheet pile × Close-proximity installation
By using NS-SP-J, special Hat-type sheet pile for proximity, and the zero-clearance method, press-in construction can be performed in narrow areas and gaps with adjacent structures with zero castle allowance, providing a solution for wall construction that makes effective use of limited construction and construction space.
Close-proximity installation
The zero clearance method is a product jointly developed by Nippon Steel and Giken.
Advantages of Hat-type sheet pile x Close-proximity installation
- Close-proximity installationRealize the construction of retainig walls abutting site boundaries and making maximum use of the site area.
- 100% interlock integrityNo need to consider the reduction factor, and this permits economical design.
- Cost-saving and Work-shortening of Temporary WorkNS-SP-J has an effective width of 600mm. This make it possible to reduce Construction time and Work.
| Conventional method | Close-Proximity installation |
|---|---|
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Shapes
Sectional properties
| Type | Dimension | Per pile | Per 1 m of pile wall width | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Effective width W mm |
Effective height h mm |
Thickness t mm |
Sectional area cm2 |
Moment of inertia cm4 |
Section modulus cm3 |
Unit mass kg/m |
Sectional area cm2/m |
Moment of inertia cm4/m |
Section modulus cm3/m |
Unit mass kg/m2 |
|
| NS-SP-J | 600 | 200 | 13.0 | 111.2 | 7,250 | 705 | 87.3 | 185.3 | 12,090 | 1,175 | 145 |