What is the difference between requirements and design …
Sep 25, 2020 · What is the difference between requirements and design specifications? Ask Question Asked 5 years, 1 month ago Modified 5 years, 1 month ago
What's the process with requirements and design?
Mar 14, 2022 · What is the usual way which requirements are managed and made sure to be fulfilled in designs? Sorry if the question is vauge and overly general but i'm just looking for a …
Where did the NDS screw pullout strength equation come from?
Jul 7, 2025 · The American Wood Council National Design Specification for Wood Construction states that the withdrawal strength of a wood screw into side grain is given by the mysterious …
mechanical engineering - Understanding hole specifications ...
Aug 19, 2018 · I am trying to interpret the hole specifications in the attached diagram. What does each component mean? I understand what 'Thru All' means, does 4x mean 4 holes? What is …
drafting - Difference between "Design Dwg." and "Mfg.Dwg ...
May 14, 2016 · A design drawing or engineering drawing is a complete specification of the finished product - in other words, it shows the important properties of each part (dimensions, …
Saltwater Tank Design Specifications - Engineering Stack Exchange
Nov 13, 2025 · Would it make more sense to scrap the rectangular design entirely and go with a more conventional cylindrical or ribbed solution? Any insights, rules of thumb, or examples …
civil engineering - How is the design life of a reinforced concrete ...
The calculations are normally to some degree empirical. For a 'standard' structure, with a 'normal' exposure condition, 'normal' concrete characteristics, and 'normal' design life requirements, …
Specification of hole design tolerance - Engineering Stack Exchange
For the specification of the hole for the manufacturing of the gear, is "3mm H9" already adequate since d9 only refers to the shaft tolerance which may not be pertinent to the manufacturing of …
civil engineering - What is the difference between "Crushed …
When these terms are listed such as in a design specification like the one quoted above, the specification is allowing for just about any material source, so long as the material meets the …
Should I reject a concrete mix design for having too high of a ...
Nov 17, 2015 · I usually design precast concrete members for the common concrete strength of f' c =4,000 psi at 28 days. Occasionally, a mix design will be submitted that has a very high …