Modular Stormwater Detention Tank With Interlocking Footings
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Solution Overview
Problem
Existing stormwater detention systems are in need of cost-effective and efficient solutions for managing excess stormwater runoff, particularly in urban areas where space is limited.
Innovation Solution
A modular stormwater detention tank composed of prefabricated concrete pieces with arches and domes, supported by footing members, which can be assembled on-site to form an enclosure with an inlet and/or outlet, allowing for flexible installation and increased volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional underground detention tanks are constructed, then stormwater management capability is improved, but construction cost and complexity increase
Solution Approach 1:
The detention tank is divided into multiple modular concrete segments that can be manufactured independently and assembled on-site. Each segment includes integrated footing members and connection elements, allowing the system to be constructed in discrete units that reduce overall construction complexity while maintaining effective stormwater management capacity.
Solution Approach 2:
The modular concrete segments are pre-manufactured with integrated footing members and connection features before delivery to the site. This preliminary preparation of components simplifies on-site assembly operations and reduces the complexity of construction activities required during installation.
2Productivity
If modular concrete pieces are used, then installation efficiency is improved, but structural strength may be compromised
Solution Approach 1:
The tank structure is segmented into standardized concrete modules with predetermined dimensions and connection interfaces. These segments are designed to interlock through integrated footing members and connection elements, creating a unified structure that maintains structural integrity while enabling efficient modular assembly.
Solution Approach 2:
The modular concrete segments incorporate reinforced concrete construction with integrated footing members, creating a composite structural system that combines the benefits of pre-fabrication efficiency with the strength requirements for underground stormwater detention structures.
3Strength
If arches and domes are incorporated into modular pieces, then structural strength is improved, but manufacturing complexity increases
Solution Approach 1:
The modular concrete segments incorporate arch and dome geometries in their design, utilizing curved surfaces to distribute structural loads more effectively and enhance the strength of the detention tank walls. These curved forms are integrated into the pre-manufactured modules, allowing the complexity of curved construction to be managed during factory production rather than on-site assembly.
Data Source
AI summary
A modular stormwater detention tank made with a plurality of modular pieces, and a plurality of modular footing members. The plurality of modular pieces each have four legs supporting a flat rectangular top surface. The plurality of modular pieces are configured and arranged to abut one another to form an enclosure with a perimeter sidewall, and a flat top surface. One of the plurality of modular pieces includes an inlet for the stormwater. The plurality of modular footing members are configured to support the plurality of modular pieces, and to interlock adjacent modular pieces in position. Means for attaching the top surfaces of the modular pieces to one another may also be provided.