In case of bleeding of fresh concrete in commercial concrete mixing plant, the cause shall be found out in time. If it is not the adaptability of admixtures and cementitious materials, the mixing proportion of coarse aggregate can be adjusted to the best gradation, and the fixed mixing proportion must not be applied
現場坍落度超出配合比設計坍落度的限製時，要及時分析原因，對砂石料含水率重新進行測定，對配合比進行校正，如果含水量實測、計算沒有錯誤時，可以將減水劑摻量增加或減少0.05～0.1%進行調整.
When the site slump exceeds the limit of the designed slump of the mix proportion, the reason shall be analyzed in time, the water content of sand and gravel shall be measured again, and the mix proportion shall be corrected. If there is no error in the measured and calculated water content, the dosage of water reducer can be increased or reduced by 0.05 ~ 0.1%
當商混攪拌站生產混凝土的砂率偏大或偏小時，應及時進行查明原因，將砂率進行適當調整，調整比例為±1%如果用上述方法並不能解決商混攪拌站生產出的混凝土的問題時，應當立即停止生產混凝土，並尋找專業的維修人員進行維修，及時采取有效措施，避免出現其他質量問題.
When the sand rate of concrete produced by commercial mixing plant is too large or too small, the reason shall be found out in time, and the sand rate shall be properly adjusted to ± 1%. If the above methods can not solve the problem of concrete produced by commercial mixing plant, the production of concrete shall be stopped immediately, professional maintenance personnel shall be found for maintenance, and effective measures shall be taken in time, Avoid other quality problems
凝土的模板拆除順序一般是先非承重模板，然後承重模板；先側板，後底板。遵循行支後拆，先拆非承重部位，後拆承重部位以及自上而下的原則，拆模時，嚴禁用大錘和撬棍硬砸硬撬。
The removal sequence of concrete formwork is generally non load-bearing formwork first, and then load-bearing formwork; First the side plate and then the bottom plate. Follow the principle of removing after supporting, removing non load-bearing parts first, and then removing load-bearing parts from top to bottom. During formwork removal, it is strictly prohibited to smash and pry with sledgehammer and crowbar.
拆模時，工作人員應站在安全處，以免發生事故，待該段模板全部拆除後，才可以將模板、配件、支架等運出碼堆。拆下的混凝土模板、配件等，嚴禁拋扔，需要有人接應傳遞，按指定地點堆放，並做到及時清理、修理和塗刷好隔離劑，以備使用。自上料攪拌車
When removing the formwork, the staff shall stand in a safe place to avoid accidents. After all the formwork in this section are removed, the formwork, accessories and supports can be transported out of the stack. The removed concrete formwork and accessories shall not be thrown away. They shall be received and delivered by someone, stacked at the designated place, and cleaned, repaired and painted with isolation agent in time for use. Self loading mixer
