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Come to Know More about Light Steel Building after the Earthquake in New Zealand

New Zealand suffered a strong 7.5 degree earthquake again since 5 years ago and fortunately that it’s not in the densely populated area. Wherever you can see, the road ruptured the scene messy.

Earthquake in New Zealand1

But the New Zealand people have shown a very optimistic attitude for the disaster mainly due to the earthquake did not cause very large casualties. It is reported that only two people died, one of them because of heart attack. Learn this we cannot help but think, the earthquake occurred at 00:05am when people are in deep sleep, such a “small loss” is out of expectation, let's take a look at the following picture:

Earthquake in New Zealand2

This is a house in the central disaster area; it just collapse a little which leave people enough time to escape. All of this is related with the housing structure of New Zealand.

Geographical Environment

Geographical Environment

New Zealand is located at the junction of the Pacific plate and the Australian plate. That is an earthquake-prone zone because it strongly dived by the impact of the westward Pacific plate on its east. There is strong seismic activity. The 8 degree earthquake happened near the capital Wellington almost destroyed the entire Wellington area in 1855.

Earthquake in New Zealand3

After this disaster, the New Zealand government was highly alerted and attaches great importance to earthquake prevention work.The New Zealand Institute for Building Research (NZRA), which specializes in seismic structures, has studied for many years and found that light gauge steel keel structures are highly practical. And then the light gauge steel structure is widely promoted, which minimize casualties in previous earthquakes.

Earthquake in New Zealand4

The worst losses of New Zealand's earthquake in recent years, is the Christchurch CTV News Building in 2011, which almost completely destroyed in the earthquake, and 115 people killed.

Light Steel Building

Light steel building floor consists of cold-formed steel frame or composite beam, OSB structure floor board, supporting, connectors and other components. The materials used are oriented particleboard, cement fiberboard, and plywood. It could bear 316 ~ 365 kg /㎡ load.

Light Steel Building1

The wall system is mainly composed of wall column, wall top beam, bottom beam, wall support, wall panels and connectors.
The roof system is composed of roof frame, structural OSB panel, and waterproof layer, light roofing tile (metal or asphalt shingles).
The appearance of light steel structure roof can have a variety of combinations.

Light Steel Building2

Advantages of  Light Steel Structure

Light Steel Building3

The property of metal material and the necessary structure of the shear wall structure determine the natural seismic performance of light steel structure system. As the activities of the earthquake is the left and right and up and down activities, so connected together with a light steel structure forms a safe and stable box, which won’t endangering personal safety due to collapse of wall or floor.
It could meet the requirements not collapse in 9 degree earthquake.


Light Steel Building4

In addition to earthquake proof, light steel buildings is also moisture-proof and breathable,  and could withstand degree 12 hurricanes and 1500mm snow load, and has a 50-year lifespan.
Short construction period, cost saving up to 50% and ecofriendly are also the advantages of light steel building.


The onsite construction of PTH light steel building


The onsite construction of PTH light steel building.
About the cost of light steel structure, please refer to

Rutang ZHANG

I am Rutang Zhang, a seasoned expert in the field of integrated housing with a wealth of experience spanning over 30 years. I have had the privilege of contributing to the success of numerous projects in more than 120 countries and regions. My expertise lies in navigating the intricacies of the integrated housing industry, and I am proud to have played a significant role in delivering successful outcomes across diverse global contexts. From conceptualization to execution, my commitment to excellence has been a driving force in achieving results that meet the unique requirements of each project.
 Tel: +86 180 5752 0109
 Email: cs@putianhouse.com

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