Abstract
The temperature control of self-compacting concrete with machine-made sand is an important research element related to the safety of actual projects. A reasonable and feasible temperature and strain monitoring scheme was designed for the bridge abutment project of Honghezhou Special Bridge in Yunnan Province, and the monitoring results of the concrete abutment on site were analyzed. The results show that the temperature of self-compacting concrete with mechanism sand has the characteristics of large temperature rise and rapid cooling compared with ordinary concrete, and the concrete surface layer is prone to cracking from 1.5d to 4d of age, and the concrete foundation part is prone to cracking at about 9d of age. It can provide reference for the temperature crack prevention and control of similar mechanism sand self-compacting concrete projects.
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More From: IOP Conference Series: Earth and Environmental Science
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