by alpsconsult 1. Collector (Drag Strut) Design (with Ω₀ ) Given: - Axial force from ETABS (Fx) = 220 kN (tension) - Overstrength...

In all SMRF from SDC B, ACI requires to check the joint shear strength. It's sometimes overlooked and we could end up with the SMRF with...

A photo taken in Mandalay, Myanmar, after the M8.2 earthquake event. This emphasizes the importance of checking foundation stability. It...

ASCE 7-16 §12.4.2.2 & §12.4.2.3 These sections define how vertical seismic effects (Ev) are added to load combinations. ✅ Summary:...

❌ 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...

Introduction In post-tensioned (PT) concrete slab design, one subtle yet critical phenomenon is the axial restraint that develops at the...

by alpsdev When working with 3D structural elements such as beams, frames, or trusses, it is often necessary to define a local coordinate...

by alpsdev, 2025 When working with 3D truss structures , the transformation between local and global coordinates becomes crucial....

In seismic design, setting the right shear wall thickness is far more important than just passing code checks. It’s about ensuring...

📖 Introduction In structural foundation design, particularly for pile caps receiving high axial loads from columns , the transfer of...

📖 Introduction In foundation design, particularly for pile caps and spread footings , verifying the bearing stress at the...

By alpsdev 2025 🔧 Key Features Implemented: ✅ FEM-Based Beam Modeling True 2D beam elements with 2 DOFs per node Supports bending...

by alpsdev · April 2025 🔎 What is Pushover Analysis? Pushover analysis is a nonlinear static method used to evaluate structural...

Author: Adisorn Owatsiriwong, D. Eng. 🔍 Problem Statement In modern seismic design, shear walls are critical lateral force–resisting...

In seismic design, engineers use a blend of structural capacity, ductility, and energy dissipation behavior to ensure life safety and...

In the world of structural engineering, seismic design is not just about withstanding earthquakes — it’s about ensuring resilience,...

When checking seismic design for shear walls, engineers often rely on pre-defined PMM interaction curves. But with today’s tools, we can...

In structural engineering, understanding the role of second-order effects, particularly P-Delta (∆) moments, is crucial for designing...