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Is it allowed to use concrete pile without dowel bars in SDC C?
❌ No . According to ACI 318-14 (ASCE 7-10), we need to extend at least pc strand from concrete pile into pilecap. For using pc strand...
Adisorn O.
Apr 301 min read
7 views


CRSI's Pile cap Design Patterns
CRSI provides a guideline to optimize pile arrangement. We adopt this pattern in our PILE-OP software for the most efficient pilecap...
Adisorn O.
Apr 281 min read
8 views


🏗️ Foundation Bearing Check: Why You Should Never Place a Column at the Edge of a Pile Cap
📖 Introduction In foundation design, particularly for pile caps and spread footings , verifying the bearing stress at the...
Adisorn O.
Apr 263 min read
11 views
🚀 Breaking Ground with SEISMIC-PILE: Our Custom FEM Tool for Lateral Pile Analysis
By alpsdev 2025 🔧 Key Features Implemented: ✅ FEM-Based Beam Modeling True 2D beam elements with 2 DOFs per node Supports bending...
Adisorn O.
Apr 241 min read
10 views


Settlement Calculation of Footing on Sand Layers
Credit: uproperty.ph.com *Use this sheet at your own risk!
Adisorn O.
Apr 171 min read
9 views


Adisorn O.
Mar 240 min read
8 views


Adisorn O.
Mar 30, 20241 min read
25 views


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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...
Adisorn O.
Feb 23, 20241 min read
24 views


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...
Adisorn O.
Mar 5, 20231 min read
300 views


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...
Adisorn O.
Mar 2, 20231 min read
34 views


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...
Adisorn O.
Mar 2, 20231 min read
20 views
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SOIL SETTLEMENTS: PART 3 - CONSOLIDATION SPREADSHEET
This part provides the calculation example and a spreadsheet for consolidation settlement analysis. The example adapted from Coduto...
Adisorn O.
Feb 27, 20231 min read
437 views


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...
Adisorn O.
Feb 27, 20231 min read
33 views


SOIL SETTLEMENTS: PART 1 - INTRO
Ref. DP Coduto, Foundation Design: Principles and Practices, 2nd ed., Prentice Hall, 2001
Adisorn O.
Feb 24, 20231 min read
23 views


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...
Adisorn O.
Feb 23, 20231 min read
538 views


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...
Adisorn O.
Feb 23, 20231 min read
195 views
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