Precast Dam Segments with Interlocking Joints for Rapid Assembly
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Solution Overview
Problem
Traditional hydroelectric dam construction requires discontinuous water flow and extensive concrete pouring, making the process time-consuming and costly, and existing dams often need to be demolished and rebuilt, which is inefficient and resource-intensive.
Innovation Solution
The use of precast segments that can be interlocked to form a dam structure, allowing for assembly with or without diverting water flow, and incorporating interlocking elements, energy generation components, and auxiliary power systems like solar panels, enabling efficient construction and reuse of existing dam structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional hydroelectric dam construction methods are used (continuous concrete pouring and curing), then structural integrity is achieved, but construction time and cost increase significantly
Solution Approach 1:
The dam structure is divided into multiple precast concrete segments that are manufactured separately and then assembled on-site. This segmentation allows parallel production of multiple segments, eliminating the sequential pouring and curing process of traditional monolithic construction, thereby significantly reducing construction time while maintaining structural integrity through proper joint design and connection mechanisms.
Solution Approach 2:
Concrete segments are precast in controlled manufacturing environments before being transported to the construction site. This preliminary action allows for quality control, accelerated curing in optimal conditions, and simultaneous preparation of multiple segments, which eliminates waiting time for curing on-site and reduces overall construction duration while ensuring structural strength.
2Ease of manufacture
If traditional dam construction requires water flow diversion, then construction access is improved, but operational disruption and cost increase
Solution Approach 1:
The modular precast segment design enables construction to proceed in sections without requiring complete water flow diversion.Segments can be installed in a sequential manner along the riverbed, allowing water to flow around the construction zone, thereby eliminating the need for costly and time-consuming flow diversion while maintaining construction access.
Solution Approach 2:
Temporary cofferdams or guide walls are used as intermediary structures to manage water flow during segment installation. These temporary structures channel water around the construction area rather than requiring complete diversion, enabling continuous operation while providing construction access to the dam site.
3Adaptability or versatility
If existing dams are demolished and rebuilt, then structural updates are achieved, but resource waste and cost increase
Solution Approach 1:
Instead of demolishing existing dams, the invention allows for the addition of precast segments to existing structures. The new segments can be installed adjacent to or on top of existing dam components, effectively recovering and reusing the original structure while updating or expanding capacity, thereby avoiding resource waste associated with demolition and reconstruction.
Solution Approach 2:
The precast segment design enables new construction elements to be nested around or integrated with existing dam structures. This approach allows existing dams to be enveloped or augmented with modern precast segments, achieving structural updates and capacity expansion without complete demolition, thus conserving materials and reducing waste.
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
This method reduces construction time and cost, allows for distributed energy generation, and enables the reuse of existing dams, improving efficiency and sustainability in hydroelectric power production.
Implementation Method 1
hydroelectric dam construction requires discontinuous water flow and extensive concrete pouring, making the process time-consuming and costly
Implementation Method 2
converting kinetic energy provided by running water into electrical power through use of rotation-to-electric converters
Implementation Method 3
incorporating interlocking elements, energy generation components, and auxiliary power systems like solar panels
Data Source
AI summary
A device for counting animal traffic in an aquatic animal passage system includes chutes positioned across the aquatic animal passage system and a sensor positioned to sense an animal moving through or in the aquatic animal passage system. The chutes and the aquatic animal passage system are formed with precast concrete segments and may include a protective liner or coating coupled to their outer surface to protect animals from contacting the outer surface of the precast concrete segments. The sensors may be integrated with the precast concrete segments forming the chutes. Smart concrete segments may be employed as transducers to create an electric field in the chutes, with impedance sensors coupled to the transducers being responsive to changes to the electric field in the chutes caused by passing animals.