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 Qing Dynasty. Although they were the last they were not the worst. The rulers of this dynasty were called the Manchus (Manchurians) They took advantage of the Ming Dyn â¦ asties weaknesses and decided to take over in 1594. The tried to restrict foreign influence on China and allowed little trade. The Qing Dynasty lasted until 1911 (de facto) or 1912 (de jure).