(4) At the outlet of the first set of mixture and the pouring into the mold, the temperature and slump are tested respectively, and the construction can be continued only after the temperature of the concrete mixture injected into the mold is confirmed not to exceed 30℃.<br> ⑤ Calculate the loss value of concrete slump in transit at high temperature, remind and urge the operator on duty to reserve the slump loss value.<br> ⑥ Once the temperature of concrete mixture is found to exceed the index during construction, the construction site shall be immediately urged to check the reasons and effective cooling measures shall be taken.<br> ⑦ After the concrete pouring is completed, check the plastering and slurry collection of the initial pouring concrete, and check whether there are shrinkage cracks during the initial setting and final setting.
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