Author_Institution :
Henan Highway Dev. Co., Ltd., Zhengzhou, China
Abstract :
With the constantly in-depth of merit work of construction of expressway of Henan province, the requirements of appearance quality of concrete is higher and higher, this text combining the control of appearance quality of concrete of construction of standing pillar and capping beams of Qihe bridge of Anxin section K64+563.88 of JingZhu expressway, from template, release agents, raw materials, mixing ratio, form removal maintenance, frequently asked questions dealing with such aspects treatise, analyzes the causes of appearance quality problem factor of concrete, considering previous engineering experience and with reference to relevant technical specifications, appearance quality control of concrete are summarized, leaded to improve the appearance quality of concrete.
Keywords :
bridges (structures); concrete; construction industry; quality control; Henan province; Jing Zhu expressway; Qi He bridge; appearance quality control; capping beams; concrete; expressway construction; standing pillar; Bridges; Color; Concrete; Surface cleaning; Surface cracks; Vibrations; An Xin section of Jing Zhu expressway; Concrete; Control of appearance quaLity;