Triangular Modular Seawall for Storm Surge Resistance
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Solution Overview
Problem
Existing seawall designs face challenges with poor storm surge resistance, high construction and repair difficulties, and slow construction speed, particularly in coastal areas prone to typhoons, due to insufficient protection standards and lack of effective wave dissipation.
Innovation Solution
A triangular modular ecological seawall featuring prefabricated frames with triangular cross-sections filled with sea sand, integrated with wave break forests and drainage systems, and covered with vegetation, providing structural stability and efficient wave energy reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional seawall construction methods are used, then structural protection is provided, but construction speed is slow and difficulty is high
Solution Approach 1:
The seawall is divided into modular units with standardized triangular cross-sections that can be independently constructed and then assembled. This segmentation allows for parallel construction of multiple modules, significantly increasing construction speed while reducing overall difficulty through standardization.
Solution Approach 2:
The modular units are pre-assembled with vegetation and soil layers prepared in advance before being deployed to the coastal site. This preliminary preparation eliminates time-consuming on-site construction activities and accelerates the overall seawall assembly process.
2Reliability
If vegetation is planted for wave dissipation, then ecological function is improved, but structural stability is insufficient
Solution Approach 1:
The seawall employs a composite structure combining engineered triangular modular units with living vegetation systems. The rigid modular framework provides immediate structural stability, while the integrated vegetation layers enhance wave dissipation capacity, creating a synergistic system that achieves both stability and ecological function.
Solution Approach 2:
The vegetation layers and soil structures are nested within and between the triangular modular units. This nesting arrangement allows the vegetation to be supported by the modular framework while the plants themselves contribute to wave energy dissipation, achieving both structural integrity and ecological performance.
3Object-affected harmful factors
If existing seawall standards are applied, then basic protection is provided, but protection against storm surges is insufficient
Solution Approach 1:
The triangular cross-section of the modular units creates an asymmetric structure that is inherently more resistant to storm surge forces compared to traditional symmetric designs. The triangular geometry distributes hydrodynamic loads more effectively, providing enhanced storm surge protection while maintaining relatively simple modular construction.
Solution Approach 2:
The design transitions from traditional two-dimensional seawall faces to three-dimensional triangular modular structures with volume. This dimensional change allows the seawall to absorb and dissipate storm surge energy through its volumetric form, providing superior protection while the modular nature keeps construction manageable.
4Adaptability or versatility
If ecological seawall designs are implemented, then environmental function is improved, but construction and repair difficulty increases
Solution Approach 1:
The modular segmentation allows individual damaged sections to be isolated and replaced without affecting the entire seawall structure. This makes repair operations straightforward - damaged modules can be removed and new ones installed in the same standardized manner as original construction, maintaining ecological function while simplifying maintenance.
Data Source
AI summary
Disclosed is a triangular modular ecological seawall, including a plurality of first prefabricated frames arranged in an array, a second prefabricated frame and a wave break forest which are disposed between two adjacent first prefabricated frames and fill gaps between the first prefabricated frames, the first prefabricated frame and the second prefabricated frame are tubular and each have a triangular cross-section shape, and inner cavities of the first prefabricated frame and the second prefabricated frame are respectively filled with first sea sand.