There are a few things you can do to feel better about the improper consolidation issue. One is to look at the distance of the batch plant to the job site. If it is close, look at the concrete tickets to see what time it was batched and what time it had begun its discharge. The driver is...
I agree with laser, flyash is almost like using a filler. If used in place of cement it will reduce the strength, along with the proper cement content, it will enhance its finishing charecteristics. There is alot of paranoia regarding flyash. During cement shortages, unscrupulous concrete...
More specifically the batchman are batching so dry that the drivers are adding an incredible amounts of water at the wash rack before the truck is leaving the batch plant. Then making another adjustment at the site. This practice is so widespread that I thought I must be missing something. ASTM...
I am an inspector in Southern California. I have had an issue with the way "almost" all the batch plants have been adding the water to the load of concrete. Regularly, the batchman will batch very dry, then each driver will adjust the load at the wash rack. I have had to begin working...
