2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Qhov ntau ntawm cov ntaub ntawv rau 1 m 3 ua ntau lawm tuaj yeem yog xam raws li hauv qab no: Qhov hnyav ntawm cement Luas = 7.29 x 50 = 364.5 kg. Luj ntawm fineaggregate (xuab zeb) = 1.5 x 364.5 = 546.75 kg. Qhov hnyav ntawm coarseaggregate = 3 x 364.5 = 1093.5 kg.
Ib yam li ntawd, pes tsawg lub hnab ntawm cov cement ua 1m3 ntawm pob zeb?
4.44 tas
Yuav ua li cas koj xam qhov sib xyaw ua ke ntawm qhob? Cement xuab zeb thiab aggregate piv rau M20 qib pob zeb yog 1: 1.5: 3
- Cement = 1 Part.
- Xuab zeb = 1.5 Part.
- Agregate = 3 Part.
- Tag nrho cov seem = 1 + 1.5 + 3 = 5.5.
- Tag Nrho Cov Khoom Xav Tau rau ib lub cubic meter ntawm pob zeb = 1.55.
Tsis tas li ntawd, kuv xav tau 1m3 pob zeb ntau npaum li cas?
/ 50kg = 8.2 hnab. Tus naj npawb ntawm cement hnab xav tau 1m3 ua yog 8.2 = 8bag. Raws li IS code: 1m3 ua Cov xuab zeb qhuav = 1600 KG.
Qhov sib xyaw ua ke uas muaj zog tshaj plaws yog dab tsi?
Hauv kev ua pob zeb muaj zog , cov khoom xyaw no feem ntau yuav tsum yog sib xyaw hauv a piv ntawm 1: 2: 3: 0.5 kom ua tiav lub zog siab tshaj plaws. Ntawd yog 1 ntu cement 2 seem xuab zeb, 3 seem gravel, thiab 0.5 feem dej.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
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