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Reservoir bottom geomembrane anti-seepage blanket underwater repair cofferdam structure and manufacturing operation method thereof
A reservoir bottom geomembrane anti-seepage blanket underwater repair cofferdam structure comprises a cofferdam body composed of an outer cylinder and an inner cylinder, a water collecting cavity is formed between the outer cylinder and the inner cylinder and connected into a whole through a vertical stiffened plate, an outer stiffened ring is arranged on the outer wall of the outer cylinder, and an inner stiffened ring is arranged on the inner wall of the outer cylinder. A bottom outer rib ring is arranged on the outer wall of the bottom of the outer cylinder, an outer iron sand strip and an inner iron sand strip are arranged at the bottoms of the outer cylinder and the inner cylinder respectively, an outer water stop and an inner water stop are arranged at the bottoms of the outer cylinder and the inner cylinder respectively, a cover plate is further arranged in the outer cylinder, and a valve is arranged on the cover plate. According to the cofferdam structure in the scheme, dry land construction of a geomembrane anti-seepage structure at the bottom of a shallow water area can be achieved, economic losses caused by emptying of a reservoir are avoided, a finished product structure can be repeatedly used, and the repairing cost is reduced.
库底土工膜防渗铺盖水下修复围堰结构，包括外圆筒和内圆筒构成的围堰本体，外圆筒和内圆筒之间形成集水腔，并通过竖向加筋板连接成一体，外圆筒的外壁上设置外加筋环，外圆筒的内壁上设置内加筋环，外圆筒的底部外壁设置底部外加筋环，在外圆筒和内圆筒的底部分别设置外铁砂条和内铁砂条，外圆筒和内圆筒的筒底上各设置外止水和内止水，在外圆筒内还设置盖板，盖板上设置阀门。本方案的围堰结构，可以实现浅水区库底土工膜防渗结构的干地施工，避免了水库放空的带来的经济损失，成品结构可以重复使用，降低修复的费用。
Reservoir bottom geomembrane anti-seepage blanket underwater repair cofferdam structure and manufacturing operation method thereof
A reservoir bottom geomembrane anti-seepage blanket underwater repair cofferdam structure comprises a cofferdam body composed of an outer cylinder and an inner cylinder, a water collecting cavity is formed between the outer cylinder and the inner cylinder and connected into a whole through a vertical stiffened plate, an outer stiffened ring is arranged on the outer wall of the outer cylinder, and an inner stiffened ring is arranged on the inner wall of the outer cylinder. A bottom outer rib ring is arranged on the outer wall of the bottom of the outer cylinder, an outer iron sand strip and an inner iron sand strip are arranged at the bottoms of the outer cylinder and the inner cylinder respectively, an outer water stop and an inner water stop are arranged at the bottoms of the outer cylinder and the inner cylinder respectively, a cover plate is further arranged in the outer cylinder, and a valve is arranged on the cover plate. According to the cofferdam structure in the scheme, dry land construction of a geomembrane anti-seepage structure at the bottom of a shallow water area can be achieved, economic losses caused by emptying of a reservoir are avoided, a finished product structure can be repeatedly used, and the repairing cost is reduced.
库底土工膜防渗铺盖水下修复围堰结构，包括外圆筒和内圆筒构成的围堰本体，外圆筒和内圆筒之间形成集水腔，并通过竖向加筋板连接成一体，外圆筒的外壁上设置外加筋环，外圆筒的内壁上设置内加筋环，外圆筒的底部外壁设置底部外加筋环，在外圆筒和内圆筒的底部分别设置外铁砂条和内铁砂条，外圆筒和内圆筒的筒底上各设置外止水和内止水，在外圆筒内还设置盖板，盖板上设置阀门。本方案的围堰结构，可以实现浅水区库底土工膜防渗结构的干地施工，避免了水库放空的带来的经济损失，成品结构可以重复使用，降低修复的费用。
Reservoir bottom geomembrane anti-seepage blanket underwater repair cofferdam structure and manufacturing operation method thereof
库底土工膜防渗铺盖水下修复围堰结构及其制作操作方法
ZHU ANLONG (author)
2024-09-20
Patent
Electronic Resource
Chinese
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