In most cases, the reinforcing bars in the concrete bridge deck should conform to the requirements of ASTM A615 or ASTM A706, both with a yield strength of 60 ksi, and modulus of elasticity equal to 29,000 ksi.
Qing Dynasty Government. Chinaâs Qing Dynasty, also referred to as the Manchu Dynasty, lasted from 1644 to 1912 and its government was complex. Inspired by the Ming Dynasty, which had immediately preceded it, the Qing emperors embraced a labyrinthine bureaucracy.hinaâs Qing Dynasty, also referred to as the Manchu Dynasty, lasted from 1644 to 1912 and its government was complex. Inspired by the Ming Dynasty, which had immediately preceded it, the Qing emperors embraced a labyrinthine bureaucracy.
The overthrow of the Qing dynasty marked the end of a system of government that China had known since the founding of the Qin (Châin) dynasty in 221 bc. The fall and collapse of the Qing dynasty were caused by external and internal changes within and outside the dynasty, peasant revolts, the rise of Sun Yat-Sen and overall western influence. What happens when there is a trade imbalance between two major trading countries? Just ask Great Britain and China.