| 摘要 |
PURPOSE:To safely and exactly perform concreting work on sea by a method in which a foundation work is made on the seabed where a concrete structure is to be constructed, a steel caisson fabricated in factory is moored and landed on the foundation work, and concrete is orderly placed on the sea. CONSTITUTION:The seabed as a construction site is dredged, the surface soil is removed out, and a foundation 1 is constructed. A steel caisson 2 fabricated in factory is towed to construction site and settled on the foundation 1, and cement mortar is injected into the space between the foundation 1 and the caisson 2 for stabilization. Rubble 12 is charged to the surrounding of the caisson 2 and compacted. Formwork assembling for the ceiling slab of the caisson 2 and timbering are made, and the ceiling slab 14 is formed. Water in the caisson 2 is discharged to lower the level of water. Concreting work for side walls 15 is made to a given height to complete the structure. The construction work can thus be performed safely and exactly under dry condition.
|
