Precast Concrete Panel Assembly Using Cast-In Insert Alignment
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Solution Overview
Problem
Conventional prefabricated building structures require significant on-site manufacturing and skilled labor, leading to increased costs and complexity in erecting building structures.
Innovation Solution
A building system comprising precast transportable concrete wall and floor panels with cast-in connecting inserts positioned at predetermined locations, allowing for precise alignment and connection using mechanical fasteners, reducing the need for skilled labor and specialized machinery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional prefabricated building structures are used, then building components can be manufactured off-site and transported to the building site, but extensive on-site manufacturing and wet work are still required which complicates assembly and increases costs
Solution Approach 1:
The building structure is divided into discrete precast concrete panels (wall panels, floor panels, roof panels) that are manufactured separately off-site and then assembled on-site. Each panel is a self-contained modular unit with integrated connection features, eliminating the need for complex on-site manufacturing operations.
Solution Approach 2:
All manufacturing operations including reinforcement placement, concrete casting, and insertion of connecting inserts are completed in advance at the factory before transport. The panels arrive at the building site ready for assembly, with connection points pre-positioned and prepared, eliminating on-site wet work and manufacturing complexity.
2Ease of operation
If precast concrete panels with cast-in connecting inserts are used, then assembly is simplified and skilled labor requirements are reduced, but precise positioning and alignment of panels during assembly becomes critical
Solution Approach 1:
The panels are designed with self-aligning features where the cast-in connecting inserts automatically position themselves relative to adjacent panels during assembly. The rigid concrete material and pre-positioned inserts provide self-guidance during the assembly process, reducing the need for complex alignment procedures while maintaining high precision.
3Object-affected harmful factors
If wall panels are positioned in recesses of floor panels, then waterproofing is improved by restricting water entry, but the structural connection between panels must be ensured through precise insert alignment
Solution Approach 1:
The waterproofing function and structural connection function are merged into a single integrated design feature. The recess in the floor panel serves both to create a waterproof barrier by restricting water entry and to provide a positioning feature that ensures proper alignment of cast-in connecting inserts for reliable structural connection. The connecting inserts are positioned within the recess area, combining both functions in one element.
Data Source
AI summary
The present invention relates to a building system for erecting a building structure. The building system comprises a plurality of precast transportable concrete wall panels; each wall panel comprising a reinforcement structure and a plurality of cast-in connecting inserts, each connecting insert being located at a predetermined position; and a precast transportable concrete floor panel, the floor panel also comprising a reinforcement structure and a plurality of cast-in connecting inserts, each being located at a pre-determined position, the floor panel further comprising a recess along at least a portion of a perimeter of the floor panel. The building system is configured such that when each precast wall panel is positioned in a substantially upright position in the recess of the floor panel, connecting inserts of two adjacent panels align so that the panels can be connected using a plurality of mechanical fasteners.