Adisorn O.
LINEAR PROGRAMMING USING LINPROG
This example demonstrates using MATLAB's Optimization Toolbox app for linear programming. Objective function: f = 4x + y Design...
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Adisorn O.
- Mar 9, 2023
- 1 min
IN-LINE VS. ANONYMOUS FUNCTION
Sometimes we must define a short function for using with our main program or inside the user function. The in-line function is made for...
17 views
Adisorn O.
- Mar 8, 2023
- 1 min
GLOBAL VS. LOCAL VARIABLES
Local variables exist only within their scope—the main program or the user-defined functions. In contrast, global variables exist...
17 views
Adisorn O.
- Mar 8, 2023
- 1 min
A SUMMARY OF PROGRAM FLOW CONTROL IN MATLAB
This blog summarizes the program's flow control in MATLAB for quick reminders. If...else...end If (condition 1 == true) statements 1...
5 views
Adisorn O.
- Mar 6, 2023
- 1 min
INTRODUCING DESIGN OPTIMIZATION BLOG
This blog session emphasizes the applications in design optimization, especially in structural mechanics and geotechnical engineering...
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Adisorn O.
- Mar 5, 2023
- 1 min
LATERAL EARTH PRESSURE: PART 1 - INTRO AND AT REST PRESSURE
Under normal conditions, soil generates vertical and horizontal pressure due to Poisson’s effects. Terzaghi defined the lateral earth...
145 views
Adisorn O.
- Mar 2, 2023
- 1 min
BORED PILE CAPACITY IN BANGKOK CLAYS - SPREADSHEET
This example shows the calculation of pile capacity in Bangkok clays. The designed pile is a bored pile diameter of 0.5 m with pile tip...
30 views
Adisorn O.
- Mar 2, 2023
- 1 min
CALCULATION OF ULTIMATE LOAD ON PILE: PART 1 - ANALYTICAL METHOD
There are two standard ways to estimate the capacity of the pile (Coduto, 2001). 1. Static or dynamic pile load test 2. Analytical...
19 views
Adisorn O.
- Feb 28, 2023
- 1 min
Development of software tool for integrated frame analysis and design of structural steel connection
This study presents the development of a software tool for integrated frame analysis and design of structural steel connections. The open...
4 views
Adisorn O.
- Feb 27, 2023
- 1 min
SOIL SETTLEMENTS: PART 3 - CONSOLIDATION SPREADSHEET
This part provides the calculation example and a spreadsheet for consolidation settlement analysis. The example adapted from Coduto...
106 views
Adisorn O.
- Feb 27, 2023
- 1 min
SOIL SETTLEMENT: PART 2 - INDUCED STRESS BELOW FOOTING
To compute consolidation settlement, we first need to calculate the change in vertical stress due to applied pressure. Then, the induced...
16 views
Adisorn O.
- Feb 24, 2023
- 1 min
SOIL SETTLEMENTS: PART 1 - INTRO
Ref. DP Coduto, Foundation Design: Principles and Practices, 2nd ed., Prentice Hall, 2001
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Adisorn O.
- Feb 23, 2023
- 1 min
EFFECTIVE STRESSES VS. TOTAL STRESSES
Soil typically consists of 3 parts: solid, water, and air. Therefore, it might confuse to analyze soil stresses using classical theories...
151 views
Adisorn O.
- Feb 23, 2023
- 1 min
LATERAL EARTH PRESSURE: PART 2 - RANKINE's THEORY
There are three standard methods to estimate earth pressure in active and passive conditions: Rankine's, Coulomb's, and Log-spiral...
129 views
Adisorn O.
- Feb 23, 2023
- 1 min
USCS SOIL CLASSIFICATION SYSTEM
USCS stands for Unified Soil Classification System [ASTM D2487]. It is the most common soil classification system used by geotechnical...
29 views
Adisorn O.
- Feb 23, 2023
- 1 min
VOLUME-WEIGHT RELATIONSHIPS AND IMPORTANT PARAMETERS IN SOIL MECHANICS
Ref. DP Coduto, Foundation Design: Principles and Practices, 2nd Edition, Prentice Hall, 2001
3 views
Adisorn O.
- Feb 23, 2023
- 1 min
Losses in Post-tensioned Concrete
In the design of post-tensioned concrete members, we must consider losses of prestressing forces. The input prestressing force can't be...
18 views
Adisorn O.
- Feb 22, 2023
- 1 min
SLOPE STABILITY ANALYSIS : METHOD OF SLICE
The method of slice is the standard method used in most commercial software for slope stability analysis. Stepwise, the method begins by...
120 views
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