Intelligent bionic scouring protection structure for bucket foundation and application method therefor

Abstract

The present invention relates to an intelligent bionic scouring protection structure for a cylindrical foundation and an application method thereof, wherein the protection structure is formed by connecting bionic units; an uppermost layer of the bionic unit is a bionic grass bundle, a bottom end of the bionic grass bundle is sleeved inside a bundle tube, the bundle tube is fixedly connected with a fiber mesh layer through a binding wire, connecting rings are fixed at both ends of the fiber mesh layer through the binding wire, two adjacent fiber mesh layers are connected through the connecting ring; and a bottom portion of the bionic unit is provided with a seabed connecting structure for fixing the whole protection structure. The above protection structure with an upper layer, a middle layer and a lower layer is adopted to replace traditional hard scouring protection such as ripraps and sand bags.

What is claimed is: 
     
         1 . An intelligent bionic scouring protection structure for a cylindrical foundation, wherein the protection structure is formed by connecting bionic units; and
 an uppermost layer of the bionic unit is a bionic grass bundle ( 1 ), a bottom end of the bionic grass bundle ( 1 ) is sleeved inside a bundle tube ( 3 ), the bundle tube ( 3 ) is fixedly connected with a fiber mesh layer ( 5 ) through a binding wire ( 2 ), connecting rings ( 4 ) are fixed at both ends of the fiber mesh layer ( 5 ) through the binding wire, two adjacent fiber mesh layers ( 5 ) are connected through the connecting ring ( 4 ); and a bottom portion of the bionic unit is provided with a seabed connecting structure for fixing the whole protection structure.   
     
     
         2 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein each bionic grass bundle ( 1 ) is composed of a plurality of bionic grass blades; and the bionic grass blades are made of elongated fiber materials. 
     
     
         3 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 2 , wherein the elongated fiber material is made of polyethylene or polypropylene; and every 5-10 bionic grass blades form one bionic grass bundle ( 1 ). 
     
     
         4 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein the bundle tube ( 3 ) adopts a flexible opened thin tube; and the binding wire ( 2 ) is made of an anticorrosive alloy material. 
     
     
         5 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein the fiber mesh layer ( 5 ) is formed by interweaving horizontal and vertical fiber ribbons in a three-dimensional grid shape with a certain height. 
     
     
         6 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein the connecting ring ( 4 ) is made of an anticorrosive steel wire rope. 
     
     
         7 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein the seabed connecting structure comprises a bionic root system and a balancing weight ( 8 ); and the bionic root system is bound with the fiber mesh layer ( 5 ) through the binding wire; and
 the bionic root system comprises a trunk ( 6 ) and roots ( 7 ), a plurality of roots ( 7 ) are uniformly distributed at each node of the trunk ( 6 ), and the roots ( 7 ) are provided with a plurality of length-grade subdivision structures downwards.   
     
     
         8 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 7 , wherein the trunk ( 6 ) and the roots ( 7 ) are both made of fiber materials; and
 the balancing weight ( 8 ) is a cuboid concrete balancing weight, the balancing weight ( 8 ) is made of heavy chains ( 9 ) extending from inside to outside, each balancing weight ( 8 ) is provided with four heavy chains ( 9 ), and the heavy chains ( 9 ) are bound with the fiber mesh layer ( 5 ) through the binding wires.   
     
     
         9 . The intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 1 , wherein the bionic units are connected through the connecting ring ( 4 ) to form a bionic protection belt ( 11 ), a specific arrangement form of the bionic protection belt ( 11 ) is selected according to a form of the cylindrical foundation ( 10 ) to be protected, and a circular arc or a box shape is selected; and
 a height of the bionic grass bundle ( 1 ) at an upper portion of the bionic protection belt ( 11 ) is customized according to a size of a common wave current ( 13 ) at a position where the cylindrical foundation ( 10 ) is located, the arrangement form of the bionic protection belt ( 11 ) is accurately adjusted according to an intelligent analysis and calculation result for the wave current in a special direction, and thus enhancing protection and ensuring that both a flow velocity and a wave height of the wave current are sharply declined after the wave current ( 13 ) passes through the bionic protection belt ( 11 ).   
     
     
         10 . An application method of the intelligent bionic scouring protection structure for the cylindrical foundation according to  claim 9 , comprising the following steps of:
 step 1: obtaining basic protection parameters: obtaining a specific foundation size of the cylindrical foundation ( 10 ) to be protected, wave current and geological parameters of a sea area where the cylindrical foundation is located;   step 2: calculating specific construction parameters: by an intelligent analysis and calculation system, determining the arrangement form of the bionic protection belt ( 11 ) and the height of the bionic grass bundle ( 1 ) according to the size of the cylindrical foundation to be protected and a sea condition in the sea area in step 1, determining whether to require to enhance the protection against the waves in a specific direction, and calculating clear construction parameters;   step 3: performing connecting preparation for the bionic unit on land: after completing automatic analysis and calculation by the calculation system in step 2, connecting the bionic unit to a bionic protection belt ( 11 ) with a certain length on land, and then hoisting to a construction ship, and transporting the bionic protection belt ( 11 ) to a construction sea area by the construction ship;   step 4: performing seabed pretreatment: digging a buried trench at a position where the bionic protection belt ( 11 ) being scheduled to be installed on the seabed; and   step 5: installing the bionic protection belt ( 11 ): using a crane to hoist the bionic protection belt ( 11 ) to the buried trench at the scheduled installation position according to a calculation rate, adjusting a depth in real time through a positioning device, and backfilling foundation soil to a height of the fiber mesh layer ( 5 ) after adjustment until completing laying of the bionic protection belt ( 11 ).