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实用新型
CN203066096U 沉箱底胎结构 失效 - 权利终止

沉箱底胎结构
摘要：
本实用新型公开了一种沉箱底胎结构，所述沉箱底胎结构由混凝土围胎（1）和混凝土隔胎（3）构成，所述混凝土围胎（1）内设置有与外界连通的PVC透水管（2），所述混凝土围胎（1）和混凝土隔胎（3）之间填充有碎石（6），所述碎石（6）上铺设找平砂垫层（7），所述找平砂垫层（7）及混凝土围胎（1）、混凝土隔胎（3）上铺设有刨花板（8）。本实用新型一种沉箱底胎结构，沉箱预制完成后向坞内注水，水可通过围胎内设置的透水管进入碎石填充层，以减小沉箱与底胎间的粘结力和真空吸力，保证沉箱能够顺利起浮。
摘要（英）：

The utility model discloses a caisson bottom tire structure which is composed of concrete tire surrounding (1) and concrete tire separating (3). Polyvinyl chloride (PVC) water permeable pipes (2) communicated with the outside are arranged in the concrete tire surrounding (1). Crushed stones (6) are filled between the concrete tire surrounding (1) and the concrete tire separating (3). A leveling sand cushion layer (7) is laid on the crushed stones (6). Shaving boards (8) are laid on the leveling sand cushion layer (7), the concrete tire surrounding (1) and the concrete tire separating (3). According to the caisson bottom tire structure, water is injected into a dock after a caisson is prefabricated, the water can get into a crushed stone packing layer through the water permeable pipes arranged in the tire surrounding to reduce binding power and vacuum suction between the caisson and the bottom tire, and the caisson is ensured to float successfully.

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