In modern structural design, achieving both safety and efficiency requires more than just calculating forces and designing members—it...

1. Overview This summary compares different types of post-installed concrete anchors, including adhesive, expansion, undercut, and...

Adisorn Owatsiriwong, D.Eng. alpsdev Introduction Concrete fasteners (anchors) are used to transfer loads between structural and...

Thailand's DPT 1301-50 (Standard for wind load calculation) and DPT 1302-61 (Standard for Seismic Design) are currently adopted for...

(please see attached file for matlab example)

Short-period buildings (Low rises) are typically subjected to higher base shear but smaller displacement and very low risk of the P-Delta...

In seismic design, one of the most commonly misunderstood topics is the fundamental period  of a building and how it affects base shear...

Eigen : "You're searching the entire modal domain , including irrelevant modes — torsion, out-of-plane wiggles, garbage local...

As post-tensioned and high-rise concrete designs grow more complex, structural misbehavior caused by gravity-only (leaning) columns...

Adisorn Owatsiriwong Tabulated Output for various parameters      fy       s       dia       sig3        sig1       sig1_fcp_ratio...

Adisorn Owatsiriwong 1. Spring Model Representation: • k_s : Represents the stiffness of the anchor. • k_c1 : Represents the...

Adisorn Owatsiriwong Understanding D-Regions 1. D-Region (Disturbed Region) : • The D-region is a portion of the structure where the...

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Citation: Adisorn Owatsiriwong (2024). Understanding 3D Frame Element in Structural Analysis (https://www.mathworks.com/matlabcentral/fil...

The lower-bound and upper-bound collapse load theorems are fundamental concepts in structural engineering, particularly in the field of...

A spiral concrete staircase is considered quite a complex member. It must carry various kinds of forces simultaneously: bending, shear,...

We have collaborated with Posteck Prestressing in development of AI design tools project for post-tensioned slab design and pile design...

In most metaheuristic algorithms like Genetic Algorithm, Simulated Annealing, or particle swarm optimization, it is required to generate...