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Chile Earthquake: Christmas Day Quake Forces Thousands to Evacuate Coastal Areas

  No fatalities were reported from the Christmas Day quake, and officials lifted a tsunami warning earlier issued for areas within 1,000 kilometers of the quake's epicenter, southwest of Puerto Montt.


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  US Geological Survey Web site released news that the epicenter of the earthquake was in the southwest coast of Chiloe Island (Chiloe), where there are several national parks. The focal depth is about 30 km.

       Chile Earthquake2.jpg 

                                                                                   Chile Earthquake3.jpg


Earthquake Measures

  It is known that Chile is an earthquake-prone country. The 8.2 degree earthquake occurred in the north-central region of Chile in September 2015. Seven major areas were affected, and 15 people were killed, 16,000 people suffered a disaster. Some 1000 buildings were seriously damaged or destroyed.

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                            Earthquake in 2015

  In the earthquake happened in 2015, the main casualties are caused by the collapse of the building. For a country located in the seismic belt, it is very necessary to increase the seismic performance to a great extent in their building construction.

  Light gauge steel keel structures are highly practical, and can be proved by a large number of facts, this type of housing structure can minimize casualties in previous earthquakes. Such as Japan and New Zealand and other seismic zone countries light steel building is popular and common.



Seismic Coefficient of 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.png


  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.png               


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  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.


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  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.

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                    The onsite construction of PTH light steel building


  Short construction period, cost saving up to 50% and ecofriendly are also the advantages of 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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