14/04/2026
There is confusion in the industry when people call themselves “architect-engineer.”
You are either an architect or an engineer. These are two different professions with different responsibilities.
When it comes to the structural stability, durability, and safety of a building, the responsibility lies with engineers.
Not assumptions. Not titles. Proof.
Structural performance is not based on appearance. It is based on:
• Load paths
• Structural analysis
• Member behavior
• Reinforcement detailing
• Deflection control
This is where trained engineers come in:
• Civil Engineers
• Structural Engineers
• Construction Engineers
They understand what governs the structure.
For example, many people cannot clearly differentiate between short span and long span behavior. Yet this is fundamental.
We design slabs using:
• Lx (short span)
• Ly (long span)
Deflection checks are governed by the effective span, not guesswork.
Load transfer is also span-dependent:
• One-way slabs transfer load along the short span
• Two-way slabs distribute load in both directions
What we have here is not correct.
The main reinforcement must be placed along the shorter span, not the longer span.
This is not a matter of opinion. It is basic structural behavior.
In slab design:
• The shorter span (Lx) carries higher bending stress
• Load is primarily transferred across the shorter span in one-way action
• That is where your main tension reinforcement must go
When you place the main bars along the longer span, you are:
• Working against the load path
• Reducing the slab’s load-carrying capacity
• Increasing the risk of excessive deflection and cracking
Yet, many people are still making this mistake on site.
Let me be clear:
• Main bars → shorter span
• Distribution bars → longer span
Anything outside this, without proper structural justification, is wrong.
This is not about experience. It is about understanding behavior.
If you don’t understand it, you will keep pl
