Grouting Pipe Anchoring Claws for Desert Sand Isolation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing grouting pipes struggle to effectively anchor and grout in desert sand due to the loose and mobile nature of sand grains, leading to difficulties in forming isolation layers for desert water storage areas, especially in flat or high slope desert regions.
Innovation Solution
A grouting pipe design featuring a bendable pipe body with multiple anchoring claws, each equipped with a grouting flow channel, and an elastic bag structure to support the anchoring claws outward, allowing them to be deeply inserted into surrounding sand grains for effective grouting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a smooth outer pipe structure is used in the grouting pipe, then the pipe body is simple in structure and easy to manufacture, but the grouting pipe cannot be firmly anchored in the loose sand grains
Solution Approach 1:
The outer pipe is divided into multiple segments along its length, with each segment containing anchoring claws that can be independently deployed. This segmentation allows the pipe to maintain structural simplicity while providing multiple anchoring points in the sand, resolving the contradiction between manufacturing ease and anchoring reliability.
Solution Approach 2:
The anchoring claws are designed to be movable relative to the outer pipe, transitioning from a retracted state during insertion to an extended state during grouting. This dynamic mechanism allows the pipe to maintain a smooth outer surface for easy manufacture while providing firm anchoring when needed, effectively resolving the contradiction between structural simplicity and anchoring capability.
2Device complexity
If grouting holes are arranged only in the pipe wall, then the grouting structure is simple, but the slurry is completely absorbed by the sand grains near the pipe wall and cannot form an effective isolation layer
Solution Approach 1:
The grouting flow channels are extended from the pipe wall outward through the anchoring claws, changing the grouting dimension from a two-dimensional pipe wall surface to a three-dimensional radial structure. This allows slurry to be delivered deeper into the sand formation, preventing premature absorption and enabling effective isolation layer formation, while maintaining relatively simple grouting structure.
3Reliability
If the anchoring claw is extended outward during laying, then the anchoring capability is improved, but the anchoring claw interferes with the movement of the grouting pipe
Solution Approach 1:
The anchoring claw is designed as a dynamic component that can change its position relative to the outer pipe. During the laying phase, the claw remains retracted to allow smooth pipe movement. During the grouting phase, the claw extends outward to provide firm anchoring. This dynamic behavior resolves the contradiction between anchoring capability and ease of operation.
Solution Approach 2:
The anchoring claw operates in periodic cycles: retracted during pipe insertion, extended during grouting, and retracted again for pipe withdrawal. This periodic action ensures that the claw provides anchoring only when needed, avoiding interference with pipe movement during laying while maintaining reliable anchoring during grouting operations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The grouting pipe can firmly anchor in desert sand, allowing the slurry to spread wider and meet with slurries from other holes, facilitating the formation of a stable isolation layer and expanding the application range beyond low-lying desert areas.
Implementation Method 1
an elastic bag structure used for pushing the anchoring claw outwards is arranged, and the anchoring claw is provided with a grouting flow channel used for grouting into surrounding sand grains. When the grouting pipe is being laid, the anchoring claw is folded without influencing a movement of the grouting pipe. During grouting, the elastic bag structure supports the anchoring claw, so that the anchoring claw swings outwards through an outer pipe opening
Implementation Method 2
The slurry sprayed out of the anchoring claw moves from the pipe body by a certain distance, with a wider flowing range in the sand grains, and can meet and condense with slurries of other drilled holes, which facilitates better formation of the isolation layer
Implementation Method 3
forming the isolation layer after the slurry is solidified with the surrounding sand grains
Data Source
AI summary
Disclosed are a grouting pipe and a construction method of a desert water storage area. An isolation layer can be constructed in any desert area to form the water storage area. A plurality of anchoring claws are arranged between an inner pipe and an outer pipe of a pipe body. The anchoring claw has a grouting flow channel for grouting into surrounding sand grains. When the grouting pipe is being laid, the anchoring claw is folded. During grouting, an elastic bag structure supports the anchoring claw. The pipe body can be firmly anchored in the sand grains. Slurry sprayed out of the anchoring claw moves from the pipe body by a certain distance, with a wider flowing range in the sand grains, and can meet and condense with slurries of other drilled holes, which facilitates better formation of the isolation layer, so that the desert water storage area is formed.