2013年8月29日星期四

Reinforced concrete

The construction technology and construction efficiency improvements , had already become a variety of reinforced concrete construction Building the main body and the large bridge structure type, replacing the traditional brick structure houses.
However, the business mix industry is facing the survival and development of the current predicament . Precast concrete plant every year new buildings Largest country , about 2 billion square meters newly built area annually , equivalent to 40% of the world consumption Cement and steel , but the average life expectancy is much lower than European and American countries building . In March this year , China's first A high-rise stationary concrete batching plant of Shenzhen Ping An was ordered to use substandard concrete work to make rectification , dealing with the construction Main structure of the quality of the concrete core once again become the focus of attention .

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