OUR MIX DESIGN HAS A SLUMP AT SITE 125 mm +/- 25mm with super plasticizer but usually, concrete arrived at site is less than the minimum or more than the maximum specified slump in the design mix. Is it right the QC inspector can reject the concrete?
Example Case: 1 truckmixer has slump at...
We are chipping concrete piles, as a result, cut concrete is more than 10 cm from the required level of pile head. Using non shrink grout without gravel is so expensive, so we need to add gravel because of extra thickness of concrete to repair. Can it be practical to add gravel? If so, what is...
Our hospital project has deep foundation.Overcut of more less 1.8 m below pile cap was made due to space problem. Depth of water is about 80 cm. I want to backfill first with boulders mixed with concrete binder up to the water level. But I doubt the stability of subgrade foundation of the pile...
OUR CONSTRUCTION SITE IS ABOUT 300 M FROM SEA.AFTER SOIL INVESTIGATION, WE FOUND OUT THAT SUB-SURFACE MATERIAL IS CORRALINE SILT CLASSIFIED AS DENSE TO VERY DENSE. BUT TOO MUCH WATER IN THE AREA. WE TRIED OPEN SUMP PIT DEWATERING BUT THE AREA STILL WET. OUR WATERPROOFING STARTS AT PILE CAP UP TO...
