190,000㎡ limestone curtain wall, the largest exterior wall project in China

190,000㎡ limestone curtain wall, the largest exterior wall project in China插图

The Bund SOHO in Shanghai, China is located at the southernmost end of the Bund and is also the starting point of the Bund International Building Complex. The Bund SOHO gives Shanghai the last Bund skyline and enjoys the reputation of “Paris of the East”. It is currently the largest limestone curtain wall project in China, with a total construction area of about 190,000 square meters.

 

190,000㎡ limestone curtain wall, the largest exterior wall project in China插图1 190,000㎡ limestone curtain wall, the largest exterior wall project in China插图2

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The Bund SOHO embodies the fusion of classic and fashion, using a large area of limestone curtain wall, using beige limestone imported from Portugal.

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Limestone has low strength and large discreteness. As a soft stone, when it is used in super high-rise buildings, its physical properties and structural forms should be fully considered.

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Commonly used limestone are white, beige, light khaki, gray, light red, maroon and so on.
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Natural stone will have the problem of weathering, and there will be powdery droplets on the surface when you touch it with your hands.
Limestone, the main component is CaCO₃, its strength is not as good as granite, although it is insoluble in water, acid rain has a certain influence on it, and the safety of use requires more attention. Therefore, in order to ensure the safety of the above-mentioned limestone plates, stone The surface must be brushed with protective agent and sealed to increase its overall strength, as shown in the figure:
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The thickness of the Bund SOHO has reached 40mm.
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Limestone is the representative of high-grade ash, and building safety must be guaranteed!
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