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Adisorn O.

Mar 130 min read

23 views

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 Poissonâ€™s effects. Terzaghi defined the lateral earth...

171 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

21 views

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...

141 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...

21 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

14 views

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...

170 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...

149 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...

121 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...

21 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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