????? ????-????????? ????????-???? ???????-?????? ????????? ???????? ????-?????? ???? ????? ???????, ??? ?????? ????????????, ?????? ?????? ??????????, ??????? ???????, ?? ?????????? ?????????? ??? ?????? ??????? ??????? ??????, ?? ??? ?????, ???????, ?????? ?????????? ??? ?????????? ???????? ???????? ????????? ??? ??????? ???? ???? ???? ????? ?????? ???? ???? ???????????? ??????? ??? ?????? ??????????? ????????? ????? ???????? ??????? ??? ????? ????? ?????? ???? ????? ???????????? ????? ?????? ??? ??????? ??? ??????? ??? ???????????? ???? ???? ??????? ??? ???? ?????
?????? ????
??? ??????? ????? ? ???-??????? ??????? ????????????? (MHURC) ?????? 1973 ???? ???? ??????????? ??????? ????? ??????????? ?????? ?? ????? ?????? ??????? ????? ?????????? ??????? ??????? ???????, ?????? ??????? ????? ??????? ??? ??????-???????? ????, ?????????, B&R ??????, ??????? ??? ????? ???????????? ???? ?????? ???????
???????? ????
????????? ???? ????????? ??? ????? ?????? ?????? ??? ???????? ????????? ????? ?????? ????? ????? ????????? ???? ???? ?-??????????? ?????, ??? ????????? ?????? ????? ?????, ???? ??? ????? ???? ???????? ???????? ???????? ????? ???? ????, ???? ?????? ????????? ???? ??????? ??????? ??? ???????
???? ??? ???????? ???????? ?????, ???? ?????????? ???????? ?????? ??????? ????? ?????? ??????? ???? ???????? ??? ?????? ???? ?????????????, ??????? ???????? ?????? ????? ??? ?????

VU ?????? ?????? ???? GB/T14684 ??? JGJ52 ?? ????? ????? ???????? ?? ???? ???????? ???????? ????????? ??? ???? ????? ????????? ??????? 2.0-3.5 ?? ????? ?????????? ??? ???? ????; ?????? ?????? 3-15%?
| ??????? ???? | ??????? ???? 1 | ??????? ???? 2 | ?????? ???? 1 | ??????????? ??????? ????? ?????? | ||||
|---|---|---|---|---|---|---|---|---|
| ??? ????????? ??? | ????????????? ????????? ??? | ??? ????????? ??? | ????????????? ????????? ??? | ??? ????????? ??? | ????????????? ????????? ??? | ??? ????????? ??? | ????????????? ????????? ??? | |
| 4.75 | 0 | 0 | 0 | 0 | 0 | 0 | 10% | 0% |
| 2.36 | 9.5% | 9.5% | 5.3% | 5.3% | 3.5% | 3.5% | 25% | 0% |
| 1.18 | 26.8% | 36.3% | 27.6% | 32.9% | 22.0% | 25.5% | 50% | 10% |
| 0.6 | 22.9% | 59.3% | 23.7% | 56.6% | 24.5% | 50.0% | 70% | 41% |
| 0.3 | 17.8% | 77.1% | 19.2% | 75.8% | 18.5% | 68.5% | 92% | 70% |
| 0.15 | 14.6% | 91.7% | 15.5% | 91.3% | 17.5% | 86.0% | 94% | 80% |
| 0.075 | 3.9% | 95.6% | 4.5% | 95.8% | 9.3% | 95.3% | -- | -- |
| ?????? | 4.4% | 100% | 4.2% | 100% | 4.7% | 100% | -- | -- |
| ?????? ?????? | 2.74 | 2.61 | 2.33 | ? | ||||
?????????? ????? ???? ?????? ?????? ??? ??????? ??? ???????? ???????????? ????????????? ?????? ????, 麻豆社 ?? ?????? 30 ????? ???? ????????? ???? ?????????? ??????????? ??????????? ????? ????? VU ??????? ?????? 5 ??? ????? ??????
VU ??????????? ??????????? ??????? ???? ?????? ??????? ?? ???? ????? ?????? ??????? ???? ???????? ???? ?????? ??? ??????, ?? ???? ????? ??????????? ?????? ?????? ??? ???? ??????, ???? ??? ????? ????
?? ????????, VU ??????????? ??????????? ??????? ???????? ???? ????? ?????? ??????? ???? ?????? ??????? ???????? ?????? ???????

------???? ????? ???? ??????
???? ????????? VU ??????? ????? ????? ?????? ????-? frequência "???? ?? ??? ???? ????" ??? "?????? ???" ?? ????????????? ????????????? ??????????? ???? VSI ??????? ????? ??????? ???????, VU ????????? ???? ??? ??? fine ???? ??? ??% ?? ???? ?????? ????

-----???? ??????
????, ????????? ??? ?????? ????? ???? ???????, ??????? ??? ????? ??????? ????????? ??? ???? ???? ?????? ??????? ???? ???? ???? ??? ???????? ???? ????, ???? ?????? ???????? ??? ??????? ??? ??? ??????? ??????????
-----???????????? ??? ???????????????
??????? ?????? ??? ?????? duct ????????????? ?????? ???? ????????? ????? ???? ???? ??????? ??? ??? ???????? ??? ??????????? ?? ????? ???????? ????? ?????? 2.5-3.2 ?? ????? ???????????????, ?????? ???????? 3-15% ?? ??????

-----???? ???? ????????????
????????? ????? ??? ???? ?????? ???, ??????? "?? ??????? ??????? ??? ???????" ??? "???? ????? ??????? ???-??????????" ?? ??????????? ?????? ????????? ????? ???, ?? ???????? ?????? ??????? ????????????? ??????? ?????? ???? ???? ??? ??????? ????? ????? ?????? 0.6 ???? ?????? ???? ????, ?????????? 1-2% ????? ???, ?????? ???? 5%?
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???? ??? ??????????????????? ??????? ????????? ????? ??? ????? ??? ?????? ???????? ???? ??????? (??? ?????? ?????, ???? ????????? ????????? ?? ?????? ????)?

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??????? ??????? ????? ???????? ??? ???? ????????? ??????? ?? ???? ??? ?????? ?????? ???, ?? "????" ????????? ?????? ????? ???? ???????? ???????????????
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???? ?? ????? ???????????? ??????? ??? ?????? ????????? ?????? ???? ????? ????? ??????? ???? ???????? ??????? ??? ?????? ???????? ???? ??? ?????? ??????? ??? ????????? ??? ??? ???????? ?????

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????? ???????? ?????????? ??? ??????? ??????? ?????????? ?????????? ?????????? ?????? ???, ?? ????????? ?????????????? ???????? ???? ??? ??????, ????? ??? ????????? ?????? ??????? ????
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???????? ???????? ??????????? ??? ??? ????? ???????? ??????? ??? ?????? ?????? ?????????? ?? ????????? ??????????? ???????? ???? ???? ??? ???????? ???????? ???????? ????? ????? ?????
VU ???????-????? ??????? ?????? ???? ??? ????? ???? ?????? ???, ?? ???? ?? ???? ??????? ????????? ?????????? FM ???????? ??????? ??? ????? ???????? ?? ??????????? ??????? ????? ??????? ?????? ???— ???? ??????, ????????? ?????? ??? ???????? ???? ????? ???? ?????? ????? ???????? ?????? ??????? ??? ??? ???? ?? ???? ??????? ??? ???, ?????? ???????? ???? ???? ???????? ??? ???????????? ?????? ?????? ??? ??? ????????????? ??? ??? ??? ????? ??????? ???????????????? ???? ?????? ???— ?????? ??????? ??????? VU ??????????? ???????????? ????????? ?????? ????????????? ?????? ???, ???????????? ????????? ???? ???? ?????????? ??? ????, ?????? ???????, ???? ???? ??? ??????????????? ?????? ?????????? ??, ??? ?????, ? s?ch, ???????????? ??? ????-????? ???? ?????? (????? ??????????? ?????????? ??? ?????? ???)?
?? ?? ??????????? ??????????? ???????—???? ?????-?????????? ?????-????? ???? ????? ??????? ?? ?????? ?????? ?????? ??? ?????? ????????????? ?????? ????? ? ??????? ??????? ????????? ???? ????? ???? ???? ???????? ????, ???????????? ?????????? ??? ?????? ??? ???? ???????? ?????-????? ???? ????? ????????? ??? ?????? ???? ????-??????? ???????? ???? ???????-?????? ????????? ???????? ????-?????? ??????? ???? ????? ???????, ???? ?????? оптим??????, ???? ?????? ??????????, ??????? ???????, ????? ????? ?????????? ??? ?????? ???????? ???????? ??????? ??? ??????? ??? ???? ???????????? ???? ???????? ???? ??, ??? ????? ???????, ??? ????? ???? ????, ??????? ??? ?????? ?????????? ????? ??? ??????, ???? ?????-??????? ????? ???????????? ????????? ????? ???? ????? ??? ????? ????? ????????????, ??????? ??? ??????? ??????? ???????? ???? ???????? ??? ????? ?????? ????

???? ?????? ???????
?? ?????? ?????????: ???????? ???? ?????? ??? ?????? ??? negative pressure ???? ?????? ?????? ?????? ????? ???? ??????? ???? ??????? ????? ????? ?????? ??? ????????? ????????? ?????? ?? ??? ???? ???????? ???????
??? ?????? ???????: ???????? ???????? ?????(??????)????? ???? ?????? ?????? ??????? ????? ???? ??? ???? ??????? ??????? ?????? ????? ??????? ??? ???????????? ??????????? ?????? ???????? ?????? ??????? ?????? ?????? ???? ?????? ???????? ???? ???????, ????? ????? ???? ?????? ??? ???????? ????????? ?????? ??????? ????? ??? ?????????? ????? ????, ??????? ??? ???????? ??????? ??? ????
???? ??????
?? ???? ??????: ??????? ??? ????? ????? ?????????? ?????????? ??????? ???? ???????? ??? 10% ?? ???? ???????? ???? ????? ????? ????????? ????????? ?????????? ????????? ?????? ??????? ??? ??????? ?????? ????? ???????? ?????????? ??????? 50% ?? ???? ????? ???? ????? ??? ??????? ?????????? ??????? ??? ?????????? ??????????? ???????? ????????? ??????? ???? ??? ???? ??? ??????????????? ?????? 5-10% ????????
??? ???? ???????: ?????????? ???????-??? ?????? ??? ????? ???? ????? ??? ???? ????????????, ???? 7.5m×24m ?? ??????? VU70 ?? ?????? ??? ?????? ??? ????? ???? ????????-??????? ?????? ??? ??????? ?????? ?????? ???????? ???? ??????? ??? ?????????????? ?????? ???? ???? ?????? ???? ?????????? ???????? ??? ?????? ????????? ?????? ???????? ??????? ?????? ????????? ???? ????, ??????? ???? ?????? ?????? ??? ?????? ???????? ??? ????????? ??????
???? ??????
??????? ???????: ??????? ??????? ??? ?????????? ???????????? ??? ?????? ????????? ?????? ??? ??????? ???????? ????????? ?????????, ?????? ??? ??????????????? ??? ????? 0.15-0.6 ???? ??????? ??????? ???? ????????? ?????? ???, ?????? 2.36-4.75 ???? ??????? ???? ???? ????????????? ??? ????? ?? ????????? ???????? ??? ASSTM C33, ???? ??? JGJ52 ?? ???????? ???? ??? ??????? ??? IS383 ?? ???? ??? ???????
??? ???? ???? ????: ???????? ???????? ????? ????? ??? ?????? ???? ??????? ???? ????????? ???? ???????? ??? ??? ???? ?????? ???? ???? ?????? ??????????? ??????? ????? ??? ???? ?? ???? ????, ??????? ????? ??? ?????? ?????????? ????? ???? ??? ????????? ??? ??????? ????
??? ??????????????? ?????? ???????: ????? ????? ?????? ?????? ????????? ??????? ???? ?????? ?????? ??????? (0-0.15mm) ????? ??? ??????????????? 3-15% ?? ????? ????? ????? ????? ??? ???????? ?????? ?????? ????? ????? ?????????????? ?????? ?????? ??????????? ??? ?????
???? ???
???? ?????? ??????? ??????? ?????? ??????? ??? 5-10% ??? ???? ??? 40% ?????? ??????? ???????? ????????? ????????? ??????? 30% ?? ???? ??? ??????? ???? ?????
???? ?????? ???????
???? ??????
???? ??????
???? ???
???????????? ????????????? ????????, ?? ???????? ???? ????, ??? ????????? 0-5 ???? ??? 5-10 ????? ??????????????? ??? 0-5 ????? ???? ?????? ????? ????? ?? 4 ??????, ?????? ?????????? ??? ???? ????? ????????????? ????????? ????? ????? ?? 45 ?????? ??? ??????????? ????? ????? ?? 40 ?????? ?????? ????????
VU120 ??????????? ???????????? ??????? ?????? ??????? ??????-???? ????? ????????? ????????? ?????? ????????? ????? ??????? ???? ?????
VU ????????? ?????? ??????? ???? ???????????? C20-C60 ??????? ??? ???????? ????? ????? ??????? ?????????? ???? ????????? ????? ?????? ??? ????? ??????-???? ????? ???? ?????, ??????? ???????????? ??????????? ?????? ??? ??????? ? ??????????? ???????? ?????? ???? ?????
| ???? | ?????? | ??????? | ???????? ????????? | ??????? | |||
|---|---|---|---|---|---|---|---|
| ???? ??????? ?????? | ???? ????????? | ???????? T/K | T/K 1 ????? ??? | ?????????? ?????? | 7d | 28d | |
| ????????? ???? | 0.38 | 1.42% | 235/490 | 185/390 | ???? ???????? ??? ????? | 24.9 | 42.3 |
| VU ???? | 0.38 | 1.42% | 240/495 | 180/385 | ???? ???????? ??? ????? | 25.8 | 44.5 |
??????? ???? ????
??????????? ??????????? ??? 01
??????????? ??????????? ??? 02
??????? ???????????? ????????? ???????? ????????????
1. ???? VU ????????? ?????? 25 ????? ?? ????? ??? ???? ???? ??????? ??????? ?? ?????? ????????? ???????? ???????? ?????? ???? ??? ??? ????? ???????? ??????? ???? ????
2. VU ????????? ????????? ???? ??????? ??, ??????????? ????????? ???? ???? ??? ????? ??????? ????? ???? ????????, ??????? ????????? ???????????? ?????? ?? ???????? ?? ???? ???????? ??????, ?????, ???????, ?????, ????? ??? ???? ????????? ??? ???????? ???? ????????? ???? ? ??? ?????????? ?????? ??? ???? ??? ????????? ??????? ??????? ??? ??????? ??? ?????
3. 10-20 ???????? ???? ????????? ?? ??? ???? ????????? ??? ????? ?????????? ? ?????? ?????? 2 ????? ???? ???????? ????? ???? ?? ????????, ????????? ??????????? ???, ????? ?????????????? ???? ????????? ??????? ????? ???????, ????????? ?????? ??????? ?????? ??? ??????? ??? ???? ???? ???, ????? ????? ??????? ??????? ???? ????? ?????, ????????? ??????, ????????? ???? ??? ?????? ???? ???? ??????? ??? ????? ????? ?????? ????? ???? ?????????? ???????? ??? ??? ??????? ???????? ????? ???????? ???????? ??? ???? ????????? ??????? ??? ????????? ?????? ???????? ??? ??? ??? ??? ??????? ????????? ???????? ???????? ????
???????? ????????????
??????? ??? ????????? ??????? ??????? ??? ????-????? ? ????? ???? ???? ????????? 麻豆社 ?????? ?????????? ???????? 麻豆社 ????? ??????? ??? ????????? ??????? ?????? ??????? ??????????? ???? ?????????? ??? ??????? ??? VU120 ??????? ????????? ????? ???? ??? ???????? ????????? ????????? ??? ?? ?????? ??? ??? ???????? ??????? ??????? ???????????? ??????? ??? ?? ?????????? ?????? ?????? ?????? ?????? ????????? ??????? ???????? ???? ???? ??? ?????? ??????? ????????? ??? ???????









??? ??????? ????? ? ???-??????? ??????? ????????????? (MHURC) ?????? 1973 ???? ???? ??????????? ??????? ????? ??????????? ????????? ?????? ??? ???-??????? ??????? ??????????? (MHURC) ?????? 1973 ????, ?????? ??????? ????? ??????? ?????? ??????? ????? ???? ????????, ?????, ?? ? ???????, ???????? ????????, ??????????? ???? ??? ??? ??????? ?????? ???? ????, ???? ??? ?? ????? ???????, ???????? ?????? ???? ?????? ???????, ????????? ???????, ??????????????? ???????, ????? ???????, ????? ???? ??????? ??? ??????? ?????? ??? ???????, ?????? ??????? ???? ??????? ???? ?????
????????? ????? ???????? ??? ????????? ???????? ??????? ??????????, ?????? ??????? ???? ???? ???? ????? ??????? ???????? ??? ???? ????? ????? ?????? ????????? ???? ??????? ???? ?????? ?????? ??????? ????? ??????? ??????? ???????? ???????????? ?????? ???????
????? ???:????? ? ?????? ?????? ?????????????, ????? aggregates ???? ?????? ??? ??? ????? ?????? ??? ???? ?????????? ??? ????? ??????? ?????? ??? ??? ??? ????? ????? ??? ?????? ????
???? ???:?????? ??? ?????, ????? ????? ??????? ??? ??????? ?????? ???????? ????? ???? ??????? ??? ????????? ?????? ????? ???????, ?????? ???? ?????? ??? ?????? ??????? ??? ???? ??, ???????????? ???????? ???????? ??????? ???????? ???? ???, ?? ??????? ????????? ???????? ????????? ???? ????? ????? ??? ????? ?????? ??? ??????
??????????? ????????:???? ??????, ?????, ????-???????? ??? ????????????? ??????? ???, finished sand ?????? ?????? ?????? ???? ??? ??????? ?????? ??? ??? ???????? ?????? ??? ????? ???????? ???? ?????? ???????
????? ????