Lub pob zeb ntom ntom yog dab tsi?

Video: Lub pob zeb ntom ntom yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Cov ceev ntawm pob zeb Nws txawv, tab sis nyob ib ncig ntawm 2,400 kilograms ib cubic meter (150 lb / cu ft). Txhawb zog pob zeb yog daim ntawv ntau tshaj ntawm pob zeb.

Ntawm no, koj yuav nrhiav tau qhov ntom ntawm pob zeb li cas?

Qhov ntom yog hu ua "mass per unit volume". Yog li, faib cov huab hwm coj los ntawm lub ntim kom tau txais ceev . Hardened pob zeb : Yog hais tias tus qauv yog ib txwm zoo li qub, tau lub ntim los ntawm kev noj lub ntsiab qhov ntev, ces faib cov huab hwm coj los ntawm lub ntim kom tau cov ceev.

Ib yam li ntawd, vim li cas qhov ntom ntawm cov pob zeb tseem ceeb? Mechanical Properties ntawm pob zeb muaj kev cuam tshuam los ntawm nws ceev . Ib denser pob zeb feem ntau muab lub zog ntau dua thiab tsawg dua ntawm cov voids thiab porosity. Me me cov voids hauv pob zeb , nws dhau los ua tsawg permeable rau dej thiab cov ntsiab lus soluble.

Ntxiv mus, qhov ceev ntawm RCC pob zeb yog dab tsi?

R. C. C . yog 2400 kg. / cubic meter. Cov no ceev yog rau kwv yees lub hom phiaj. Qhov tseeb ceev yuav txawv me ntsis nyob ntawm tus ceev ntawm coarse aggregates.

Dab tsi yog qhov ceev ntawm cement hauv kg m3?

Kuv ntseeg tus qauv ceev ntawm 1 cement lub hnab yog sib npaug rau 1440 kg / m3 ua . Qhov ntom = mass/volume (ρ=m/V) So, V = m/ρ 50 kg ÷ 1440 kg / m3 ua = 0.0347 m3 ua = 1.23 TZS

Pom zoo:

Dab tsi yog qhov txawv ntawm cov pob zeb tsis foliated thiab foliated metamorphic pob zeb?

Foliated metamorphic pob zeb xws li gneiss, phyllite, schist, thiab slate muaj ib txheej txheej los yog banded zoo li uas yog tsim los ntawm raug tshav kub thiab qhia siab. Non-foliated metamorphic pob zeb xws li hornfels, marble, quartzite, thiab novaculite tsis muaj txheej txheej lossis banded zoo li

Dab tsi yog qhov ntom ntom ntom ntom ntom ntom ntom?

Ib daim phiaj density yog ib qho piv txwv ntawm kev faib cov lej sib txawv. Nws yuav siv ib ntsiav ceev kwv yees los qhia qhov tshwm sim ceev muaj nuj nqi ntawm lub nce mus nce los (saib ntxiv). Nws yog ib tug smoothed version ntawm lub histogram thiab yog siv nyob rau hauv tib lub tswvyim

Dab tsi yog vim li cas ntawm qhov ntom ntom ntom?

Ntawm cov kua-cua sib cuam tshuam, qhov nro ntawm qhov chaw tshwm sim los ntawm kev nyiam ntawm cov kua molecules ntau dua rau ib leeg (vim kev sib koom ua ke) dua li cov molecules hauv huab cua (vim adhesion)

Dab tsi yog qhov txawv ntawm qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom nrog cov piv txwv?

Nws ua haujlwm nyob rau hauv ob qho tib si loj thiab me me thiab tsis yog raws li cov pej xeem ceev. Ceev dependent yam yog cov uas tswj cov kev loj hlob ntawm ib tug pej xeem nyob rau ntawm nws lub ceev thaum ceev ywj siab yam yog cov uas tswj pejxeem kev loj hlob yam tsis muaj nyob rau nws cov ceev