Qhob ceev: hom ceev xam

Cov kev ceev ntawm lub pob zeb ua - yog ib tug ntawm cov tseem ceeb cov yam ntxwv ntawm cov khoom no, uas yog ib tug tshwj xeeb muaj zog qauv. Nws muaj ntau yam zoo, tiam sis yog ib tug drawback, qhia nyob rau hauv ib tug tseem ceeb ceeb thawj. Nrog cov tub txawg muab nyob rau theem ntawm tsim thiab siv. Qhov no feature yog tsim nyog los xav txog ntau pob zeb thiab disassembly, nyob rau hauv tus txheej txheem ntawm dismantling.

Nyob rau hauv kev xyaum, lub pob zeb ua tau lug siv tsis tau tsuas yog nyob rau hauv kev lag luam, tab sis kuj nyob rau hauv private siv. Npaj ib tug sib tov yuav ua tau nws tus kheej raws li armature thiab txuas siv ib tug tshwj xeeb hlau rau txoj kev ua ib tug reinforced qauv. Cov no ib tug check thiab robust tsim.

Lub ntsiab ntawm ntau yam pob zeb

Cov kev ceev ntawm lub pob zeb ua yuav varied, uas yuav cuam tshuam rau lub nyob tus yeees ntawm cov tshuaj. Thaum tus luj nyob rau hauv lub ceev. Classified tam precisely rau no yam ntxwv, nws yog tsim nyog los faib, ntawm lwm tus neeg:

• hnyav heev;
• hnyav;
• khaub-ncaws nyias;
• khaub-ncaws nyias qhob.

Cov kev ceev ntawm lub pob zeb ua nyob rau hauv thawj cov ntaub ntawv no tsuas siv rau 2500 kg / m ^3, uas yog ib qho impressive tus nqi. Nyob rau hauv pej xeem engineering, qhov no zoo ntawm qhob siv. Lub formulations yuav muaj raws li nram no placeholders:

• magnetite;
• limonite;
• barite.

qhob ceev

Thaum hnyav qhob ceev me ntsis qis, nws yog 2,200 kg / m ^3. ntau li ib txwm gravel, crushed pob zeb cov ntaub ntawv uas cov xws cov khoom xyaw, thiab li ntawd. Cov kev ceev ntawm lub pob zeb ua yuav txawm tsawg yog hais tias nws yog ib tug khaub-ncaws nyias qhob. Qhov no hnyav qhob rau tus hlau qhov cuab lub zog thiab lub los-dav hlau. Nyob rau hauv rooj plaub no tus parameter ntawm kev txaus siab yuav 1800 kg / m ^3.

Cov kev ceev ntawm khaub-ncaws nyias qhob

Hnav concretes muaj ib tug ntom ntawm 500 kg / m ^3. Qhov no qhov chaw yog raug txhab av nplaum, cellular, perlite thiab polystyrene qhob. Qhov no cov ntaub ntawv uas yog kho kom zoo qhov cuab lub zog. Qhov nruab nrab ceev ntawm qhob nyob tsis tau tsuas yog nyob rau hauv muaj pes tsawg leeg tab sis kuj nyob rau hauv tus qauv ntawm lub casting. Yog hais tias tus tseem kua sib tov yog compacted siv ib tug Vibratory machinery, tus ceev nce los ntawm 100 kg / m ^3.

muab xam los ntawm ceev

Cov kev ceev ntawm lub pob zeb ua, cov kev uas tau piav saum toj no, tej zaum nws yuav tsum tau txiav txim yog hais tias rau ib lub hauv paus, lub kev faib ua feem ntawm cov tshuaj nyob rau hauv cov chav nyob ntawm loj. cov kua yuav tsum raug tshem tawm los ntawm lub xam, uas yog twb 28 hnub kiag ziab los ntawm lub array. Qhov no yuav tau txais lub caij nyoog muaj nuj nqis ntawm cov kev ceev ntawm lub monolith.

Tej zaum builders siv nruab nrab cov ntaub ntawv, yog hais tias peb paub tus qib ntawm qhob. Piv txwv li, rau qib M-200 yuav sib txawv cov kev ceev nyob rau hauv lub chav 2385 rau 2400 kg / m ^3, whereas rau yam M-250 nqi no yuav sib txawv los ntawm 2390 mus 2405 kg / m ^3. Rau cov qhab nia M-300, M-350 thiab M-400 density yuav nyob rau hauv ntau ntawm 2400 mus 2415; los ntawm 2405 mus 2420 thiab los ntawm 2410 mus 2430 kg / m ^3, ntsig txog.

Yog hais tias koj xav tau ib ceev ntawm qhob, ces koj yuav tsum paub tias nyob rau hauv tus luj ntawm lub cubic Meter feem xyuam rau ntau thiab qhov cuab lub zog tswvyim. Nws tsis yog tsuas yog lub xov tooj ntawm rods, tab sis lawv cov seem. Cov chaw cia koj txhais kom meej ib tug nrog volume nyob los ntawm cov qhov cuab lub zog. Koj muaj peev xwm ces nqa tawm loj suav. Nyob ntawm seb dab tsi lub hom phiaj thiab daim ntawv ntawm qhob, yuav siv sib txawv ntawm cov kab uas hla rods. Nrog hais txog qhov kev tso kawm, tej zaum lawv yuav tau nyob rau ntawm ib tug tej yam deb ntawm txhua lwm yam.

Nyob rau hauv thiaj li yuav paub cov kev ceev ntawm kev reinforced, tshwj xeeb yog cov neeg no tsis tsim nyog, yog li tus nqi ntawm cov qhov cuab lub zog yuav tsum noj tentatively. Yog li, qhov siv thiab ua kev ua vaj tse lem thiab pavings feem ntau yog siv 8-hli qhov cuab lub zog mesh loj 200 mm. Nyob rau hauv ib square Meter ntawm cov khoom yuav raug khaws cia rau 16 m rods, thiab yog hais tias cov kev ceev ntawm steel mus txog 7850 kg / m ^3, lub armature loj yuav ua ncaj rau 6.3 kg.

Thaum nws los txog rau lub kab rov tav beams nrog ib tug txhawb slabs thiab cov me nyuam yaus, cov armature txoj kab uas hla feem ntau mas nws txawv ntawm 12 mus rau 16 mm. Lub cell loj yog poob mus rau 180 hli thiab lub zuag qhia tag nrho ntev tseem unchanged. Nyob rau hauv cov ntaub ntawv no, lub armature loj txwv nqi ntawm 14 mus 25,2 kg. Rau cantilever beams thiab slabs armature txoj kab uas hla nruab nrab ntawm 16 thiab 18 hli no, qhov no yog muaj tseeb yog hais tias tus cell loj yog sib npaug zos rau 130 hli. Tag nrho cov qhov ntev ntawm lub armature 1 m ³ ntawm qhob yuav 49 m, nyob rau hauv uas cov ntaub ntawv lub cuab lub zog loj yuav sib txawv los ntawm 77,3 rau 97,8 kg.

Cov kev ceev ntawm lub ntxiv Siv

Nws yog ncaj ncees yuav tau xav txog kuj tau cov kev xaiv ntawm ntsug phab ntsa thiab txhua. Nyob rau hauv cov ntaub ntawv no, lub cheeb ntawm lub armature yuav ua tau sib npaug zos rau cov kev txwv ntawm 14 mus rau 18 lub hli thaum tus nqi ntawm cov hlwb nyob rau hauv ib tug 130 hli. Tag nrho cov ntev tseem zoo li qub, tab sis tus luj yuav ua ncaj rau cov kev txwv ntawm 59,2 rau 97,8 kg.

Sai li sai tau raws li koj paub tus naj npawb ntawm fittings thiab densities yuav txiav txim tus luj ntawm ib cubic Meter ntawm qhob. Los ntawm cov thawv muaj rau sab yog txhais los ntawm qhov nruab nrab volume, uas tseem ua hauj lwm nrog steel rods. Thaum kawg, lub volume ntawm qhob yog tau, ces cov zauv yog multiplied rau lub kev faib ua feem ntawm txhua tus cov ntaub ntawv thiab cov kev tshwm sim yog ntxiv.

Muab xam los ntawm ceev rau cov piv txwv siv ua kev reinforced foundation

qhob Ceev (kg / m3) yuav xam los ntawm cov piv txwv ntawm rau daim kab xev puag uas yog ua los ntawm qhob qib M-300. Nyob rau hauv cov ntaub ntawv no, peb siv 16 hli rods. Thaum tus thawj theem lub ntim nyob los ntawm cov armature nyob rau hauv ib tug cubic Meter ntawm cov khoom. Ua li no, siv cov nram qab no muab xam: π · R2 · L = 3,14 · (0,008) 2 = 0.003 · 16 m ^3.

Yog li, lub net yuav siv sij hawm qhob 0,997 m ^3. Yuav kom xam tus luj ntawm reinforcing rods yuav tsum tau khoo qhov tseem ceeb 0,003h7850, thaum kawg tau txais 23,6 kg, thaum lub loj ntawm lub pob zeb ua yuav tsum tau muab xam 0,997h2400. Lub laij cia peb to taub hais tias qhov loj ntawm qhob yog 2392,8 kg. Thaum cov qhov tseem ceeb yog summed, ib tug yuav tau qhob ceev, cov suav yuav saib raws li nram no: 23.6 + 2392.8 = 2416 Kg / m ³ .Cov manipulations yog ua nyob rau theem ntawm tsim ntawm lub tsev hauv paus loads.

Ntaub ntawv hais txog cov kev ceev ntawm lub pob zeb ua

reinforced thiab qhob ceev yuav tsum tau hu mus rau lub builders. Yog hais tias tus thawj muaj nuj nqis twb tau piav nyob rau hauv kom meej saum toj no, lub thib ob yuav tsum tseem tham. Lub ntsiab qhia rau pob zeb ua kev ua hauj lwm yog ib tug tshuaj tiv thaiv rau uniformity thiab compression, raws li zoo raws li lub zog. Cov specifications tswj cov kev ceev, uas yog ib lub cev index txiav txim los mus faib hnyav los ntawm volume.

Cov kev siv yog ib qho siv qhov nruab nrab tus nqi ntawm no parameter, vim hais tias nws yog los ntawm ntau yam, cov uas:

• zoo thiab kom muaj nuj nqis ntawm cov muab tub lim;
• zoo ntawm muab tub lim;
• muaj pes tsawg leeg dej;
• cov neeg kawm ntawv ntawm grain ntawm xuab zeb.

lub ntsiab ntawm ntau yam qhob Ceev

Qhov mean ceev yog siv nyob rau hauv kev txiav txim rau tus yam ntxwv thiab yog hom twg xam tau tias yog, nyob rau hauv uas cov ntaub ntawv uas yog muab faib ua 4 hom. Piv txwv li, hnyav concretes muaj ib tug ntom saum toj no 2500 kg / m ^3. Qhov no muaj pes tsawg leeg yog tsim los ntawm cov fillers, hlau ore, steel seem, magnesite, thiab yog tsis tau siv rau qhov kev siv tej hauj lwm rau ntawm cov tsoos txoj kev npaj. Qhov no kev kub ceev yog tsim nyog rau kev ruaj ntseg ntawm, yog li no vaj tse siv rau qhov kev siv ntawm tshwj xeeb Siv. Qhov tsawg kawg nkaus nruab nrab ceev kwv yees index uas yog qis tshaj tus nqi ntawm 500 kg / m ^3. Xws li ib tug embodiment ntawm cov khoom siv raws li insulating fillers. Ib tug xav paub ntau tshaj nkag siab txog ntawm lub pob zeb ua txawv nyob rau hauv ceev, hom thiab hom, raws li zoo raws li ib tug yam ntxwv teb ntawm kev siv yuav kwv yees los ntawm kev nyeem cov ntaub ntawv hauv qab no.

Tshwj xeeb tshaj yog hnyav ua vaj tse, uas tau nqa tawm xa mus rau saum toj no, tej zaum yuav muaj cov nram qab hom: M550, M600, M700, M800, M900, M1000. Heavy qhob muaj ib tug ntom nyob rau hauv cov ntau los ntawm 1800 mus 2500 kg / m ^3, cov khoom siv rau lub txhawb lug ntawm cov kev bases hom. Hom xws qhob tej zaum yuav raws li nram no: M350, M450, M500. Hnav qhob muaj ib tug ntom nyob rau hauv lub chav los ntawm 500 mus 1800 kg / m ^{3, lub} cim yuav tsum tau txiav txim los ntawm lub hauv qab no cim: M200, M250, M300. Tshwj xeeb tshaj yog sib concretes muaj ib tug ntom ntawm 500 kg / m ^3, thiab lawv cov qhab nia yog raws li nram no: M15, M50, M75, M100, M 150 yog siv qhov no zoo ntawm cov ntaub ntawv uas los ua ib tug thermal rwb thaiv tsev txheej thiab txoj kev ua ib lub phab ntsa.

xaus

Tam - ib tug ua ke ntawm hlau thiab pob zeb ua, uas muaj cim zog. Durability, kev cia siab thiab durability ntawm cov ntaub ntawv uas tso cai rau nws mus nce ntau nyob rau hauv qhov kev siv kev lag luam. Thaum tsim Siv raws li nyob rau ntau yam ntxwv, raws li ib tug ntawm lawv sawv ua vaj tse ceev t / m3 los yog kg / m ³ - qhov no lub cev magnitude, uas yog txais los ntsuas no parameter. Piv txwv li, yog tias koj paub cov kev ceev, uas yog sib npaug zos rau 2200 kg / m ^3, nws yog ua tau rau txhais cov nqi no txawm nyob rau hauv tonnes ib cubic Meter. Nyob rau hauv cov ntaub ntawv no, qhov no tus nqi yog 2.2.