Pile Guide System With Translatable Rotation Points
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Solution Overview
Problem
Existing underwater pile driving technologies face challenges when dealing with uneven or undulating seabed substrates, as they often result in piles being driven at different angles, leading to stress, deformation, and potential malfunction due to uneven load distribution and lack of robustness.
Innovation Solution
A pile guide system with a base frame and superstructure featuring a rotatable arm with multiple points of rotation, where at least one point is translatable in two perpendicular directions, reducing stress and allowing for adjustable inclination without deformation, and incorporating floatable joints to maintain constant arm length and distribute forces evenly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pile guide member is pivotally mounted on a base frame to enable adjustment for inclined substrates, then the orientation of the pile guide member can be adjusted to guide piles in a vertical orientation on inclined surfaces, but the pile guide cannot accommodate uneven or undulating underwater substrates with localized variations in level, resulting in piles being driven at different non-vertical orientations
Solution Approach 1:
The base frame is divided into multiple adjustable support members (first support member, second support member, third support member) that can be independently adjusted in length. This segmentation allows each support member to adapt to local variations in the underwater substrate, enabling the pile guide member to maintain vertical orientation even on undulating surfaces with localized level changes.
Solution Approach 2:
The support members are designed with variable length capability, allowing the pile guide system to dynamically adjust its configuration to match the specific topography of the underwater substrate. This dynamic adjustment ensures that the pile guide member maintains the correct vertical orientation regardless of substrate variations.
2Adaptability or versatility
If variable length support members are used to accommodate uneven underwater substrates, then the pile guide can adapt to localized variations in level, but the support members must be strengthened or protected to withstand lateral loads experienced during use
Solution Approach 1:
The support members are designed with different structural characteristics at different locations. The first support member has a first structural configuration optimized for its specific loading conditions, the second support member has a second structural configuration, and the third support member has a third structural configuration. This local quality approach allows each support member to be optimally designed for its specific position and loading requirements, providing sufficient lateral load resistance without unnecessary strengthening throughout the entire structure.
3Strength
If the support members are strengthened to withstand lateral loads, then the pile guide can resist forces during use, but the device complexity and structural robustness increase
Solution Approach 1:
Rather than uniformly strengthening all support members, the invention applies different structural configurations only where specifically needed based on local loading conditions. This targeted approach provides the necessary lateral load resistance while minimizing overall structural complexity and avoiding unnecessary robustness in areas with lower loading demands.
Data Source
AI summary
A pile guide is provided comprising a base frame and a superstructure comprising a pile guide member for guiding the pile as it is driven into a substrate when the base frame is resting thereon. At least part of the superstructure defines an arm that is rotational with respect to the base frame about a first and second points of rotation, to rotate the pile guide member with respect to the base frame. At least one of the first and second points of rotation is translatable with respect to the base frame in a first direction, thereby rotating the arm about the first and second points of rotation with respect to the base frame. At least one of the first and second points of rotation is translatable in a second direction substantially perpendicular to the first and second points of rotation with respect to the base frame direction. A method is also provided.