In summer construction of pump truck, car construction in summer are high ambient temperature and low relative humidity, which also have many adverse effects on the fresh and hardened concrete in addition to the favorable side. Therefore, according to the characteristics of concrete construction in summer and many unfavorable factors, necessary protective measures should be taken to ensure the quality of concrete pouring.
1. concrete pouring is selected at a lower temperature in one day.
2. the mortar used in the run pipe can not be poured to any working surface when the cement concrete conveying pump car is used for pouring, it must be poured only after the discharge of the run pipe mortar and the concrete with one or two pumping trips.
Post time: Jun-22-2020