Gravel used in Xianyang concrete mixing station

Fenghe According to the Code for Construction and Acceptance of Concrete Structure Engineering, the maximum particle size of concrete coarse aggregate shall not exceed one quarter of the minimum size of structural section and shall not be greater than three quarters of the minimum clear distance of steel bars. The gravel size of Fenghe River in Xianyang is the most suitable for concrete mixing station. Xianyang is a prefecture-level city under the jurisdiction of Shaanxi Province, the birthplace of China and one of the cities in Xi metropolitan area.