| 摘要 |
<p>PURPOSE:To execute with a simple construction and without having no fear that sheet piles incline by forming a pipe burying space into a ditch hole filled with muddy water by using a flexible bag capable of charging and discharging a fluid, sheet piles, walings and struts. CONSTITUTION:A row of sheet piles 14 and 16 are provided into a ditch hole 12 filled with muddy water, a flexible bag 26 is placed between them, and a fluid is charged into the bag 26 to support a row of sheet piles 14 and 16. When a part of the fluid is discharged from the bag 26 after hardening the muddy water outside of the bag 26, a space is made in the upper part of the bag 26. In the space, walings are arranged along each row of sheet piles 14 and 16, struts are crossed between the waligns of each row of sheet piles 14 and 16, and a retaining wall is supported by sheet piles. After that, the remainder of the fluid is discharged from the bag 26 to remove the bag 26, and then a pipe is buried by using concrete.</p> |
