Unit hnyav ntawm coarse aggregate yog dab tsi?
Unit hnyav ntawm coarse aggregate yog dab tsi?

Video: Unit hnyav ntawm coarse aggregate yog dab tsi?

Video: Unit hnyav ntawm coarse aggregate yog dab tsi?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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Coarse aggregate 1,800 Kg ib m^3. Plain pob zeb yog kwv yees li 2,400 Kg ib m^3 thiab RCC 2, 500 Kg ib m^3. Qhov ntom ntawm ntxhib thiab zoo sib sau ua ke sib txawv nrog rau qib ntawm compaction. Kwv yees unit luj tej zaum yuav raug coj raws li. Cement: 1,400 Kg ib m^3.

Yog li ntawd, qhov hnyav ntawm aggregate yog dab tsi?

Ntuj ntxhia sib sau ua ke , piv txwv li, xuab zeb thiab pob zeb muaj qhov ntom ntom ntawm 95 mus rau 105 lbs / ft3 (1520 - 1680 kg / m3) thiab tsim ib txwm- Qhov hnyav concrete (NWC). Aggregates nrog qhov ntom ntom tsawg dua 70 lbs / ft3 (1120 Kg / m3) hu ua Lub Teeb.

Secondly, dab tsi yog qhuav rodded unit hnyav? Yooj yim hais, nws yog tus unit luj ntawm ib tug saturated khoom muab faib los ntawm cov unit luj dej thiab suav nrog hauv qab no: DRY RODDED UNIT WEIGHT -Qhov qhuav rodded unit hnyav ntawm aggregate yog txiav txim los ntawm compacting qhuav aggregate rau hauv ib lub thawv ntawm ib tug paub tshwj xeeb ntim raws li ASTM xeem txoj kev C 29.

Hauv qhov no, qhov ceev ntawm coarse aggregate 20mm yog dab tsi?

1.6840 gm / cm³ (2) Cov ceev ntawm peb sib sau ua ke ie, CA 20 hli : CA 12.5mm: FA yog 42: 18: 40. coarse sib sau ua ke 20 mm : 12.5 mm i.e., 70: 30 as tsau ua ntej).

Unit hnyav ntawm xuab zeb yog dab tsi?

Hloov tshiab Lub Xya hli ntuj 17, 2018. Qhov ntau ntom ntawm xuab zeb nyob rau hauv thaj tsam ntawm 1600-1700 kg / m3. Qhov tshwj xeeb lub ntiajteb txawj nqus nyob hauv thaj tsam ntawm 2.6 txog 2.9.

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