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Articles by Nigel K Parkes
Concrete Slab-On-Ground Thickness Requirements From Modern Design
The concrete slab-on-ground is among the most performance-critical structural elements in industrial and commercial buildings, yet it has long been designed using methods whose fundamental limitations are explicitly acknowledged by the profession's most common reference.
Concrete Slab-On-Ground Thickness Requirements From Modern Design
The concrete slab-on-ground is among the most performance-critical structural elements in industrial and commercial buildings, yet it has long been designed using methods whose fundamental limitations are explicitly acknowledged by the profession's most common reference.
Addressing Concrete Slab Curl Numbers
Concrete slabs-on-ground develop curl when a moisture or temperature gradient exists between the top and bottom surfaces of the slab. As the exposed top surface dries and shrinks relative to the wetter bottom, the slab edges tend to lift upward, creating a concave-up deformation. In climate-controlled facilities, the dominant driver is differential drying shrinkage, which produces a permanent upward curl at the slab edges and corners.
Addressing Concrete Slab Curl Numbers
Concrete slabs-on-ground develop curl when a moisture or temperature gradient exists between the top and bottom surfaces of the slab. As the exposed top surface dries and shrinks relative to the wetter bottom, the slab edges tend to lift upward, creating a concave-up deformation. In climate-controlled facilities, the dominant driver is differential drying shrinkage, which produces a permanent upward curl at the slab edges and corners.
Optimizing Floor Design: Concrete Slab Strategies
Some floor designs are better suited to specific applications than others. Understanding an owner's or tenant’s requirements is critical to recommending a particular type of design. Factors that determine the best solution are numerous and varied, and they interact to lead to a complex decision tree or matrix.
Concrete Slab Design Options & Analysis
Some floor designs are better suited to specific applications than others. Understanding an owner's or tenant’s requirements is critical to recommending a particular type of design. Factors that determine the best solution are numerous and varied, and they interact to lead to a complex decision tree or matrix.
Optimize Concrete Slab Dowel Design
Because standards are intentionally conservative for most projects, but new design methods are changing, project-specific design optimization is required to provide safe, cost-effective, and sustainable construction. The newly developed Enhanced Integrated Dowel Model (EIDM) ensures joint performance under all wheel types, to reduce joint spalling and callbacks, while typically also reducing cost and improving sustainability.
Optimize Concrete Slab Dowel Design with the EIDM Enhanced Integrated Dowel Model
Because standards are intentionally conservative for most projects, but new design methods are changing, project-specific design optimization is required to provide safe, cost-effective, and sustainable construction. The newly developed Enhanced Integrated Dowel Model (EIDM) ensures joint performance under all wheel types, to reduce joint spalling and callbacks, while typically also reducing cost and improving sustainability.
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