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Aluminium T5 -engineering express

What’s the difference between aluminum T5 and T6 temper (like 6063-T5 vs 6063-T6 alloy)?

What’s the Difference Between Aluminum T5 and T6 Tempers Aluminum alloys in the 6xxx series, such as 6063, are widely used in structural and architectural applications due to their excellent balance of strength, corrosion resistance, and extrudability. However, the temper designation (T5 vs T6) plays a critical role in determining the final mechanical properties of …

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The Updated Saffir-Simpson Scale

First, it needs to be said that there is a complicated formula that converts wind velocity to wind pressure.  Many wind pressure values can exist from a single wind velocity which vary based on roof height, topography, terrain, even code version, and more. The Saffir-Simpson Hurricane Wind Scale is a 1 to 5 rating based …

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Edge Distance

Why are spacing, edge distance, and embedment important for concrete anchors?

Why are spacing, edge distance, and embedment important for concrete anchors?​ Anchors transfer loads into concrete, making them vital for safe design. Their strength depends not only on the anchor itself but on how it interacts with the concrete. Three factors are key: spacing, edge distance, and embedment depth. If these are not respected, the …

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Is Steel or Reinforcing or Fibermesh Required in Posts & Footings of Building Components?

INTRODUCTION The main purpose foundations serve is to distribute and resist the forces or loads experienced by the host structure due to wind, rain, snow, seismic, & other load conditions. When it comes to building components such as generators, signs, and fences the code leaves a gray area for foundation design. This happens because most …

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ASCE 7 Main Wind Force vs. Components & Cladding Explained (MWFRS vs. C&C)

ASCE 7 separates wind loading into three types: Main Wind Force Resisting System (MWFRS), Components and Cladding (C&C), and Other Structures and Building Appurtenances. MWFRS is defined as “(a)n assemblage of structural elements to provide support and stability for the overall structure.” Typically, members that receive loading from two surfaces are designed to resist MWFRS …

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Isolated Footings (Constrained)-Engineering Express

Types of At-Grade Footings Explained

Choosing the Right Footing for Patios, Pergolas, and Sunrooms Every great structure begins below the surface. For sunrooms, pergolas, carports, and patio covers, the footing is what carries the load. Different footing designs manage forces in their own way, and choosing the right type is the key to stability against wind, weight, and shifting soils. …

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What Seismic area is my location?

Here are some useful sites to check the seismic criteria for a location:   https://www.fema.gov/earthquake-hazard-maps https://earthquake.usgs.gov/hazards/designmaps/ – USGS https://seismicmaps.org/ https://www.seaoc.org/page/seismicdesignmaptool– Structural Engineer Association of California  

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Glossary of Engineering Terms

Glossary of Building Component Engineering Terms & Abbreviations These terms are published by Engineering Express to coincide with help menus for our online tools & published articles and as they relate to the Building Component Design industry. See also our FLOOD ENGINEERING GLOSSARY for more terms related to flood engineering. See Also SUNROOM TERMINOLOGY for …

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Metal Fasteners UNC vs Spaced Thread

Overview Metal fastening is designed per the requirements of the American Institute of Steel Construction (AISC): Specification for Structural Steel Buildings in conjunction with the American Architectural Manufacturers Association (AAMA): TIR-A9-14 Design Guide for Metal Cladding Fasteners. Types The two most common types of fastener threads used in construction are Unified Coarse Thread (UNC) more …

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