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Submarine cable landing method suitable for bedrock coast
The submarine cable landing method comprises the steps that submarine cables are arranged in steel sleeves, a seabed bedrock surface is selected, a plurality of steel sleeves provided with the submarine cables are arranged on the seabed bedrock surface, and the steel sleeves are distributed side by side and connected through lock catches; the steel sleeve is filled with a quick-setting concrete layer, the quick-setting concrete layer is higher than the steel sleeve by 600 mm or above, and slope making is conducted along the two sides according to the proportion not lower than 1: 2; paving an asphalt coating on the surface of the quick-setting concrete layer, wherein the thickness is not less than 400 microns; the front portion of the steel sleeve is directly communicated with a sea area directly-buried section submarine cable trench, the rear portion of the steel sleeve is connected with a land area cable trench, a land area cable trench cushion layer is arranged at the bottom of the land area cable trench, a land area cable trench cover plate is arranged at the top, and the land area cable trench is filled with sand bags. The method is simple, convenient, economical and reasonable in construction and safe and reliable in structure, the submarine cables are laid through the steel sleeve, the lock catch row design is adopted, meanwhile, the quick-setting concrete covers the submarine cables, and the purposes of reducing excavation and optimizing the construction period under the bed rock surface condition are achieved.
本发明公开了一种适用于基岩质海岸的海缆登陆方法，包括将海缆置于钢套管内，选择海底基岩面，将装有海缆的若干钢套管放在海底基岩面上，钢套管并排分布并通过锁扣连接；在钢套管外填充速凝混凝土层，速凝混凝土层高出钢套管600mm以上，并沿两侧以不低于1:2的比例放坡；在速凝混凝土层表面铺设沥青涂层，厚度不低于400um；钢套管前部直通海域直埋段海缆沟，后部与陆域电缆沟衔接，陆域电缆沟底部布置陆域电缆沟垫层，顶部布置陆域电缆沟盖板，陆域电缆沟内填充沙袋。本发明施工简单便捷、经济合理、结构安全可靠，海缆通过钢套管管敷设，并采用锁扣联排设计，同时上覆速凝混凝土，实现在基岩面情况下降低开挖并优化工期的目的。
Submarine cable landing method suitable for bedrock coast
The submarine cable landing method comprises the steps that submarine cables are arranged in steel sleeves, a seabed bedrock surface is selected, a plurality of steel sleeves provided with the submarine cables are arranged on the seabed bedrock surface, and the steel sleeves are distributed side by side and connected through lock catches; the steel sleeve is filled with a quick-setting concrete layer, the quick-setting concrete layer is higher than the steel sleeve by 600 mm or above, and slope making is conducted along the two sides according to the proportion not lower than 1: 2; paving an asphalt coating on the surface of the quick-setting concrete layer, wherein the thickness is not less than 400 microns; the front portion of the steel sleeve is directly communicated with a sea area directly-buried section submarine cable trench, the rear portion of the steel sleeve is connected with a land area cable trench, a land area cable trench cushion layer is arranged at the bottom of the land area cable trench, a land area cable trench cover plate is arranged at the top, and the land area cable trench is filled with sand bags. The method is simple, convenient, economical and reasonable in construction and safe and reliable in structure, the submarine cables are laid through the steel sleeve, the lock catch row design is adopted, meanwhile, the quick-setting concrete covers the submarine cables, and the purposes of reducing excavation and optimizing the construction period under the bed rock surface condition are achieved.
本发明公开了一种适用于基岩质海岸的海缆登陆方法，包括将海缆置于钢套管内，选择海底基岩面，将装有海缆的若干钢套管放在海底基岩面上，钢套管并排分布并通过锁扣连接；在钢套管外填充速凝混凝土层，速凝混凝土层高出钢套管600mm以上，并沿两侧以不低于1:2的比例放坡；在速凝混凝土层表面铺设沥青涂层，厚度不低于400um；钢套管前部直通海域直埋段海缆沟，后部与陆域电缆沟衔接，陆域电缆沟底部布置陆域电缆沟垫层，顶部布置陆域电缆沟盖板，陆域电缆沟内填充沙袋。本发明施工简单便捷、经济合理、结构安全可靠，海缆通过钢套管管敷设，并采用锁扣联排设计，同时上覆速凝混凝土，实现在基岩面情况下降低开挖并优化工期的目的。
Submarine cable landing method suitable for bedrock coast
一种适用于基岩质海岸的海缆登陆方法
CHEN TAO (author) / TAO AN (author) / YU HUAFENG (author) / HAO JUNFEI (author) / JIA XIANLIN (author) / WANG DINGSHI (author) / XU XIAOLONG (author) / WANG SHANSHAN (author)
2023-09-05
Patent
Electronic Resource
Chinese
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