Are Precast Houses Really Earthquake-Resistant? AIT Test Results Revealed | Inno Precast
Are Precast Houses Really Earthquake-Resistant?
Following a series of earthquakes that residents of Bangkok have felt in recent times — despite the city sitting hundreds to thousands of kilometers from any major fault line — questions about the structural safety of homes have suddenly become far more personal. One question in particular keeps coming up: are earthquake-resistant precast houses actually a real thing, or just a marketing claim? This article looks at real test results from a credible institution, not just advertising copy.
Why Earthquakes Have Become a Real Concern for Thai Homeowners
Even though Bangkok sits hundreds to thousands of kilometers from the nearest high-risk fault lines, the city has recorded clearly noticeable tremors on several occasions in recent times — particularly affecting tall buildings or structures that weren’t properly designed to withstand seismic forces. This has pushed both property developers and consumers to place greater importance on structural systems that can prove their earthquake resistance, rather than relying on general claims alone.
The Real Test Results: How Inno Precast Passed AIT’s Earthquake Testing
Inno Precast is one of only two companies in Thailand whose precast structural system has passed rigorous earthquake resistance testing conducted by the Asian Institute of Technology (AIT). The company worked with structural engineering experts specifically to study the earthquake resistance of the joint system used in its Precast Concrete Bearing Wall structures.
The testing was carried out both on a real two-story house located in the Bangkok area and through three simulated earthquake events in a laboratory setting, with results analyzed using structural engineering software for accuracy. The results showed that the precast bearing walls withstood earthquake forces very well, without developing the cracks commonly seen in conventional brick walls.
Why the Joint System Matters Most for Earthquake-Resistant Precast
Structural engineering experts emphasize that modern homes must be designed to handle every scenario — not just look good or be comfortable to live in. This is especially true for precast structures, where the joints connecting each component together must be designed and built with extra strength to reduce the risk of collapse or cracking during an earthquake. No matter how strong an individual concrete panel is, if the joints connecting them aren’t strong enough, the safety of the entire structural system cannot be guaranteed.
How Much Stronger Is Precast Than a Conventional Brick Wall?
At a special seminar jointly held by Pruksa Real Estate and Inno Precast on the topic of modern home safety, it was stated that precast walls are up to three times stronger than conventional clay brick walls. The manufacturing process uses fully automated machinery imported from Germany, which allows for better quality control and precision than traditional construction methods that rely primarily on manual labor.
What to Consider Before Choosing an Earthquake-Resistant Precast House
- • Ask the developer whether they have earthquake test results from a credible institution to back up their claims — not just general advertising, since not every precast company has passed testing at this level
- • Check whether the testing covered the joint system specifically, as this is typically the weakest point of a precast structure if poorly designed
- • Ask about the origin of the manufacturing technology and the quality control standards used, such as machinery systems from countries with high manufacturing standards
- • Consider the overall structural design of the house, not just the wall material, since earthquake safety depends on how the entire system is engineered
Frequently Asked Questions About Precast Houses and Earthquakes
Do all precast house manufacturers pass earthquake testing equally?
No. Currently, only two companies in Thailand have precast structural systems that have passed rigorous earthquake resistance testing from AIT. Consumers should always ask for clear proof of testing before deciding, rather than relying on advertising claims alone.
Bangkok is far from any fault line — should I still be concerned?
It’s worth considering. Even though Bangkok sits hundreds to thousands of kilometers from fault lines, the city has recorded clearly noticeable tremors on several occasions, particularly affecting buildings or structures that weren’t originally designed to withstand seismic forces.
How does precast compare to cast-in-place concrete for earthquake resistance?
The key difference lies in manufacturing quality control. Precast houses, built in a factory using automated systems, can maintain more consistent precision and concrete quality. Cast-in-place concrete poured on-site is more prone to variation from manual labor. That said, both systems must follow proper earthquake-resistant structural engineering design to be genuinely safe.
Structural safety isn’t something you should take on advertising claims alone. Inno Precast is one of only two companies in Thailand with real earthquake test results from AIT, backed by a German manufacturing process that controls quality at every step. For more information, call 02-107-2356 or visit www.innoprecast.com
