# Author: Ryan Freund

## Soldier Pile w/ Tieback Design

This is a short post in which I will elaborte on at some point in the future. I am attaching a pdf of a TEDDS calculation that is based on the 1990 California Trenching and Shoring.  The design concept is similiar…

## Cantilever Soldier Pile Wall Design

Cantilevered Solider Pile Retaining Wall Design I have attached a pdf showing the basics of designing a cantilevered solider pile retaining wall. It is largely based on the California Trenching and Shoring manual. The California trenching and shoring manual is a great design reference for earth retention. However…

## Wind Load ASCE 7-05 VS ASCE 7-10

In comparing the 2010 edition to the 2005 edition of the ASCE 7 we see that there are significant changes to the layout, format, load factors used for wind and basic wind speed maps. These changes affect how you determine…

## General Diaphragm Design

UPDATED 4/26/12 Maybe I missed that day of class when diaphragm design was covered but for me I do not recall having done any diaphragm design in school. So here is a some basics just to get started and I…

## Braced Frame Lateral Deflection

I was following a discusion found here and thought that the pdf that was posted would be helpful to some. It lists equation to deflection or sidesway of braced frame configurations. It can be verified with the method of virtual…

## Evaluating and Identifing Existing Glulam Beams

A good reference for evaluating existing glue laminated timber framing: Evaluating Existing Glulam AITC

## ASD Stress vs ASD Strength vs LRFD All are LSD

ASD Allowable Stress Design (1989 9th Edition AISC Manual) or Allowable Strength Design (2005 13th Edition AISC Manual). Both use service level loads and a safety factor to member strength. WSD Working Stress Design (not used in design anymore). Uses…

## General Tips

There are probably three major or general rules to follow: 1.) Visualization. Visulize the load path and visulize the detail. You must understand where the load is going and how you plan to resist it. Also your details must be construct-able.…

## Wood Diaphragm Design

Full post will be completed soon. Typically wood diaphragms are considered flexible. Metal clad wood truss diaphragm design: http://bse.wisc.edu/bohnhoff/Publications/Copyrighted/EP484.2%20PDF%20File1.pdf

## Steel Deck Diaphragm Design

Full post coming soon!!   Steel Deck – typically flexible.   Composite Steel Deck – typically rigid.