Unboned Post-tensioned concrete floor is used in the 63-story Guangdong International Mansion in Guangzhou.

广州市的63层广东国际大厦，楼板采用无粘结预应力楼板。

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Unboned Post-tensioned concrete floor is used in the 63-story Guangdong International Mansion in Guangzhou.

广州市的63层广东国际大厦，楼板采用无粘结预应力楼板。

youdao