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Adisorn O.

- Feb 23
- 1 min

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, 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...

117 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...

27 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 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...

73 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

13 views

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...

144 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...

108 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...

28 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 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...

114 views

Adisorn O.

- Feb 21, 2023
- 1 min

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...

19 views

Adisorn O.

- Feb 20, 2023
- 1 min

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...

8 views

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