| 摘要 |
Here is provided a building method for marine structures such as breakwater, berth, and so on which enables cheap construction expenses, reduced construction period, high stability, no chemical treatment, and no environmental pollution. Caissons (2,3) manufactured on land in advance, are established on weak ground at designated locations in order to build marine structures. After that, caissons are pierced in to weak layer (A) by their own weight to the gravel layer (B) or base rock (C), porous pipes equipped with injection holes (15) subside in weak layer within caissons, then stone and gravel are thrown in the weak layers of inside caissons making marine structures complete.
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