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  1. D27

    We do have a tropical climate on ou

    We do have a tropical climate on our project site, our crushed coarse and fine aggregates have a range of 12 - 14 soundness loss using sodium sulfate. Since we are not affected by the freeze-thaw cycle, can we utilize the aggregates in our concrete? Thank you guys in advance
  2. D27

    Combined Aggregates Grading Limits

    Hi! We want to establish gradation limits (envelope) for our combined aggregates gradation which I've derived from Fuller curve. I just want to know where to find standards stating the plus/minus for every size to create a gradation envelope. Thank you in advance guys!
  3. D27

    Plate load test frequency of testing

    Hi guys! just want to know if there are standard documents stating frequency of testing per area? i ask this due to our situation in our site, we do have micro foundations (around 20 fdns) in close proximity (10-15 meters apart) ... the consultants needs evidence to back-up our claim to randomly...
  4. D27

    Backfill Sand for Tank Foundation

    Hi!, we are doing tank foundation (for Demi water, fresh water, etc) using concrete ringwall ... and we are using backfill sand on top of soil backfill, im in need of specification for backfill sand, is there any specific code or standard for backfill sand? please help ... thanks! d27
  5. D27

    Cold Joint Repair

    We are using slipform in our chimney concrete pouring and an incident cause us to stop the work immediately, just to make it short ... we have a nasty cold joint. I went through ACI 546R (Concrete repair) and its like there so many choices, what is the most efficient way to repair this cold...
  6. D27

    CBR Specification

    Can you please help me where to find specification for CBR with regards to subgrade, subbase and base course?

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