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Thank you fattdad for your comments. FYI, based on the sieve analyses itself, the gradation of the material falls into Grading Zone X where the material will not be possible to be tested under this Lab Compaction method. In BS 1377-1990 Part 4 there is correction of oversize material, when the...

Dear All, Recently, I was assigned to supervise the earthworks at several sites for housing projects. One of the cases is like this, the contractor brought the material for filling purpose. We call this Class 3 Material, according to our spec the material should have the gradation as follows ...

Dear Walter2992, I used to work for SI company in Bahrain. Whenever we completed the boreholes, it was a mandatory to grout the holes using cement grout (mixture cement and water only). This is prescribed by the Water Resources Directorate (WRD) to maintain the aquifer. What we did, 1 bag of...