A.2h
B.12h
C.24h
D.48h
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A.8-10mm
B.10-12mm
C.8-12mm
D.9-11mm
A.4.75mm
B.2.36mm
C.1.18mm
D.0.60mm
A.0.60mm,1.18mm
B.0.075mm,1.18mm
C.0.60mm,2.36mm
D.0.075mm,2.36mm
A.0.01,0.1,0.1,0.1,0.1
B.0.1,0.01,0.1,0.1,0.1
C.0.1,0.1,0.01,1,0.1
D.0.1,0.1,0.01,0.1,0.1
A.16%-39%
B.16%-40%
C.41%-70%
D.71%-85%
最新試題
依據(jù)GB/T14648-2011標(biāo)準(zhǔn)要求,表觀密度試驗結(jié)果精確至()kg/m3,兩次試驗結(jié)果偏差不應(yīng)大于()kg/m3。
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,檢測碎石、卵石的實驗室溫度應(yīng)保持在()
依據(jù)GB/T14684-2011,砂按技術(shù)要求分為()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,緊密堆積密度在桶底放置的鋼筋直徑為()mm。
依據(jù)GB/T14684-2011,Ⅱ、Ⅲ類砂的級配區(qū)為()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,Ⅰ類碎石要求孔隙率()%,泥塊含量()%。
依據(jù)GB/T14684-2011標(biāo)準(zhǔn)要求,機(jī)制砂MB值>1.4時,可與天然砂含泥量要求指標(biāo)一樣。()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,含泥量試驗用到的試驗篩為()
依據(jù)GB/T14648-2011標(biāo)準(zhǔn)要求,砂的顆粒級配應(yīng)篩除()mm的顆粒。
依據(jù)GB/T14684-2011標(biāo)準(zhǔn)要求,石粉含量測定的用亞甲藍(lán)溶液保質(zhì)期不超過一個月。()