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Adisorn O.
Mar 301 min read
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Adisorn O.
Mar 130 min read
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Adisorn O.
Feb 231 min read
Firefly Algorithm: Part 3 -- Design Example
Fig.2 Convergence plot (n = 20, maxGen = 20) This design example shows how the Firefly algorithm can be applied to the gravity wall...
21 views
Adisorn O.
Mar 5, 20231 min read
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...
208 views
Adisorn O.
Mar 2, 20231 min read
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, 20231 min read
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, 20230 min read
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Adisorn O.
Feb 27, 20231 min read
SOIL SETTLEMENTS: PART 3 - CONSOLIDATION SPREADSHEET
This part provides the calculation example and a spreadsheet for consolidation settlement analysis. The example adapted from Coduto...
186 views
Adisorn O.
Feb 27, 20231 min read
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...
22 views
Adisorn O.
Feb 24, 20231 min read
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, 20231 min read
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...
222 views
Adisorn O.
Feb 23, 20231 min read
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...
159 views
Adisorn O.
Feb 23, 20231 min read
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, 20231 min read
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 22, 20231 min read
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...
127 views
Adisorn O.
Feb 21, 20231 min read
TYPES OF EARTH-RETAINING STRUCTURES
Earth-retaining structures are used to retain the soil inside the land boundary. The selection of retaining walls is based on several...
22 views
Adisorn O.
Feb 20, 20231 min read
Analysis Methods for Anchored Sheet Pile Wall
The analysis for anchored pile walls can be performed either by free-earth or fixed-earth conditions, dependent on the capacity of the...
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