Precast Concrete Conduit Joints for Faster Underground Installation
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Solution Overview
Problem
Installing conduits within concrete structures is labor-intensive, logistically difficult, and expensive, particularly in underground installations.
Innovation Solution
A conduit device comprising a concrete body with a male protrusion and female receptacle design, allowing for end-to-end connection of multiple devices, and embedded tubes for electrical cables, with reinforced structures to withstand shear forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conduits are installed within concrete structures using traditional methods, then the electrical wiring can be provided in concrete as required by regulations, but the installation becomes labor-intensive, logistically difficult, and expensive
Solution Approach 1:
The conduit system is divided into discrete pre-cast concrete segments, each containing embedded conduit sections. These segments can be manufactured separately and then assembled on-site to form continuous conduit runs within concrete structures, eliminating the need for labor-intensive post-pour conduit installation while ensuring regulatory compliance
Solution Approach 2:
Conduits are pre-installed within concrete segments during the manufacturing process before the segments are deployed to the construction site. This preliminary action ensures that conduits are properly positioned and protected within the concrete structure from the outset, eliminating the need for difficult post-installation work while maintaining regulatory requirements
2Reliability
If traditional conduit installation methods are used in underground installations, then electrical wiring can be provided in concrete, but the project becomes logistically difficult and expensive
Solution Approach 1:
The conduit and concrete structure are merged into a single integrated pre-cast unit. The conduit is embedded within the concrete segment during manufacturing, creating a unified component that simplifies logistics by eliminating separate conduit installation steps and reducing the number of materials and operations needed on-site
Solution Approach 2:
All conduit positioning, bending, and connection preparations are performed during the pre-casting process before the segments leave the manufacturing facility. This preliminary action transfers complex logistical challenges from the construction site to the controlled manufacturing environment, where they can be more efficiently managed
3Adaptability or versatility
If conduits are installed after concrete pouring, then flexibility in installation is maintained, but the process becomes labor-intensive and time-consuming
Solution Approach 1:
The system provides adaptability through modular pre-cast segments that can be configured in different arrangements during assembly. While the conduit position is fixed within each segment, the overall conduit path can be adapted by selecting and arranging different segments, maintaining flexibility at the system level while reducing on-site installation time
Solution Approach 2:
All conduit positioning and configuration decisions are made during the pre-casting phase, allowing for careful planning and optimization of conduit routes before construction begins. This preliminary action locks in the conduit layout early, eliminating time-consuming on-site adjustments while still allowing for design flexibility in the planning stage
Data Source
AI summary
A conduit device is disclosed. The conduit device can have a concrete body, the concrete body having a first end portion and a second end portion spaced along a longitudinal axis. The first end portion defines a male protrusion having a shape. The second end defines a female receptacle that is configured to receive the shape of the male protrusion. The concrete body defines at least one bore extending continuously therethrough from the first end portion to the second end portion.