Long-term strength
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Adding fly ash has reduced the compressive strength in short term, but increased the compressive strength in longterm. Adding silica fume raises the strength in short term, but decreases the strength in long term.
25p nguaconbaynhay11 07-04-2021 20 3 Download
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This is the purpose of this paper. As a way of start, the paper will provide a description of the test. Then, it will examine some of its key qualities, and present its washback and impact on the Vietnamese general school foreign language education.
16p truongtien_08 06-04-2018 51 0 Download