2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Cov neeg tsim khoom tshiab ntseeg tias cov pob zeb tawg thiab pob zeb yog ib yam thiab cov khoom siv tib lub tsev. Txawm li cas los xij, qhov no tsis muaj tseeb. Ob qho khoom siv tau nquag siv hauv kev tsim cov khoom siv ua vaj tsev, paving, kho dua tshiab thiab tsim vaj. Muaj ntau qhov zoo sib xws ntawm lawv, tab sis tib lub sijhawm qhov sib txawv tseem ceeb heev.
Nws yog dab tsi?
Ua ntej, cia peb xam seb txhua yam ntawm cov ntaub ntawv no yog dab tsi.
Pob zeb
Nws yog ib hom pob zeb uas tau tsim thaum lub sijhawm txheej txheem kev puas tsuaj ntawm cov pob zeb loj. Hauv ib puag ncig ntuj, cov txheej txheem no nthuav tawm ntau txhiab xyoo thiab tau ua tiav tas li.
Ua rau hauv tus account qhov tso nyiaj, pob zeb tau muab faib ua roob, hiav txwv, dej thiab dej khov. Hauv kev tsim kho kev lag luam, ntau hom roob feem ntau koom nrog - qhov no yog vim qhov tseeb tias "dej" pob zeb muaj qhov tiaj, du, yog li lawv cov nplaum tsis tuaj yeem ua tau. Lawv nrov npe hu ua "pebbles".
Nyob ntawm lawv qhov loj me, cov zaub mov tuaj yeem muaj qhov loj, me thiab nruab nrab, lawv txawv ntawm qhov sib npaug. Hauv kev sib xyaw ntawm cov pob zeb, qee qhov ntxiv ntxiv yog feem ntau tam sim no - xuab zeb lossis lub ntiaj teb, uas txuas ntxiv txo cov nplaum rau pob zeb.
Qhov txiaj ntsig tseem ceeb ntawm pob zeb yog nws daim ntawv zoo nkauj, uas yog vim li cas nws thiaj pom muaj daim ntawv thov dav hauv kev teeb tsa vaj hauv tsev, kev teeb tsa pas dej da dej thiab tsim cov pas dej dag. Cov xim sib txawv ntxoov ntxoo tso cai rau koj siv cov pob zeb du los kho cov vaj huam sib luag sab hauv, tsim cov duab zoo nkauj, ntxiv rau sab hauv sab hauv.
Zuaj zeb
Crushed pob zeb yog cov khoom tau txais hauv chav kawm ntawm kev sib tsoo thiab kev tshuaj xyuas ntxiv ntawm pob zeb ntawm ntau hom. Nws tau muab cais ua cov khoom siv hauv tsev uas tsis muaj keeb kwm. Cov pob zeb tsoo tuaj yeem muaj ntau qhov ntau thiab tsawg, suav nrog los ntawm 5 hli thiab ntau dua.
Nyob ntawm lub hauv paus, uas tau ua tiav rau hauv cov pob zeb tawg, cov khoom siv tau muab faib ua 4 pawg loj
Granite
Raws li nws cov yam ntxwv ntawm lub cev thiab lub cev, cov khoom siv no muab qhov siab tshaj plaws ntawm lub zog, tiv taus kom khov thiab lub sijhawm ua haujlwm. Nws cov khoom siv xav tau kev siv hluav taws xob ntau tshaj plaws, yog li tus nqi rau cov khoom siv zoo ib yam.
Cov khoom pib rau kev tsim cov pob zeb tawg no yog pob zeb granite. Cov pob zeb tawg tau siv nyob rau hauv qhov chaw uas xav tau kev thauj khoom ntau ntxiv ntawm qhov chaw uas xav tau kev tsim kho lossis xav tau lub zog tshwj xeeb.
Nyob rau tib lub sijhawm, cov pob zeb tawg tau muaj cov keeb kwm xov tooj cua me me. Raws li GOST, nws tsis mus dhau qhov muaj kev nyab xeeb rau kev noj qab haus huv . Dua li qhov no, cov ntaub ntawv tsis tau qhia rau siv hauv kev tsim vaj tsev, kev tsim kho tsev kho mob thiab menyuam yaus.
Pob zeb
Cov ntaub ntawv no tau txais los ntawm txoj kev siv chaw txua txiag zeb lossis rho tawm hauv qab ntawm cov dej hauv lub cev (dej thiab pas dej). Nws mus los ntawm kev ntxuav, tom qab ntawd tsoo thiab sib cais zaum kawg rau hauv cov feem sib cais. Hais txog nws qhov tsis muaj zog, nws yog me ntsis qis dua cov khoom siv granite, feem, thiab muaj tus nqi pheej yig.
Qhov txiaj ntsig tseem ceeb ntawm cov khoom siv no yog xoom keeb kwm yav dhau los. Nws yog cov pob zeb tawg uas tau siv hauv kev tsim cov tsev nyob, cov tsev kawm qib pib, tsev kawm ntawv thiab tsev kho mob.
Limestone
Ib qho ntawm hom pheej yig tshaj ntawm cov pob zeb tawg, vim qhov no nws yog qhov xav tau ntawm cov pej xeem. Tau kawg, nws cov yam ntxwv muaj zog nyob deb ntawm siab, tab sis cov khoom siv no tuaj yeem siv rau tus kheej ua haujlwm hauv kev tsim vaj tsev qis.
Los ntawm nws cov qauv tshuaj, qhov no yog cov calcium carbonate zoo tib yam; nws tuaj yeem yaj hauv cov kua nruab nrab
Yog li ntawd, thaum tsim lub hauv paus ntawm cov tsev nyob, nws tsis siv, vim nws yuav vau thaum ntsib nrog cov av noo.
Cov pob zeb tawg tau pom daim ntawv thov thaum sau lub vaj thiab chaw nres tsheb, npaj txoj hauv kev thib ob, ntxiv rau lub vaj thiab chaw ua si chaw ua si.
Secondary
Hom pob zeb tawg no yog tsoo cov khoom pov tseg.
Txhua yam ntawm cov pob zeb tawg yog qhov ua rau ntawm qhov ntxhib . Cov khoom siv no ua tau zoo rau cov grout thiab tsis poob rau hauv qab. Tom qab nws qhia, cov tshuaj khib tau txais qhov sib xws sib xws thiab ntom ntom ntom. Qhov xav tau tshaj plaws yog lub voos xwmfab -puab cov pob zeb xaiv - lawv muaj qhov siab tshaj plaws thiab tso cai rau koj los tsim lub hauv paus ruaj khov thiab txhim khu kev qha rau cov qauv, tshwj xeeb tshaj yog yog siv ntau yam granite.
Nyob ntawm qhov loj ntawm cov nplej, ob peb hom pob zeb tawg yog qhov txawv:
- 5-10 hli - qhov feem no feem ntau yog siv hauv kev npaj asphalt pavements, tsim cov paving slabs, thaiv thiab lwm yam kev ua vaj tse, thiab nws kuj yog ib feem ntawm cov kav dej;
- 10-20 hli - pob zeb ntawm qhov loj me no tau siv dav hauv kev tsim cov hauv paus;
- 20-40 hli- kuj tseem siv rau kev npaj cov hauv paus ntawm ntau lub tsev thiab qis tsev;
- 40-70 mm - pob zeb tawg feem ntau tshaj plaws, xav tau kev tsim kho cov tsheb ciav hlau, npog cov tshav dav hlau thiab txoj kev loj uas muaj tsheb loj.
Vim nws cov yam ntxwv ua haujlwm, cov pob zeb tawg tau muab cov nplaum uas ruaj khov tshaj plaws, yog li nws yog qhov tseem ceeb tshaj plaws rau cov tshuaj khib thiab tsim cov khoom siv hauv tsev.
Sib piv ntawm qhov tsos
Thaum xub thawj siab ib muag, qhov txawv ntawm pob zeb thiab pob zeb tsoo tsis yooj yim. Ob qho tib si tau tsim los ntawm pob zeb, yog cov ntaub ntawv tsis muaj ntxhiab, thiab yog li ntawd muaj qhov sib xyaw zoo sib xws. Kuj tseem muaj qee qhov zoo sib xws sab nraud - pebbles thiab pob zeb tuaj yeem muaj xim zoo ib yam, txawm hais tias pob zeb muaj qhov ntxhib.
Yeej, qhov sib txawv tseem ceeb ntawm cov ntaub ntawv yog lawv keeb kwm. Crushed pob zeb yog tau los ntawm kev tawg nrog ua tom ntej. Cov pob zeb tau tsim thaum lub hnub nyoog laus ntawm cov pob zeb nyob hauv qab lub hnub, cua, dej thiab lwm yam sab nraud . Nrog rau tag nrho cov no, cov pob zeb tawg yog qhov loj dua thiab muab cov nplaum zoo dua, yog li ntawd, nws tau nthuav dav ntau hauv kev lag luam hauv tsev.
Fraction daim ntawv
Txhawm rau kom tau txais cov pob zeb tawg, lawv siv los tsoo cov pob zeb khov. Thaum ua cov pob zeb, qhov no tsis tsim nyog, vim nws yog cov khoom tiav ntawm lub hauv paus chiv keeb, tsim los ntawm kev cuam tshuam ntawm cov txheej txheem ntuj. Yog li ntawd, cov pob zeb zoo li raug dua, tsis muaj cov npoo ntse hauv nws.
Cov pob zeb tawg tau los ntawm txoj kev sib tsoo yog ib txwm muaj lub ntsej muag thiab zoo li tsis zoo nyob hauv kev sib piv nrog pebbles.
Kuj tseem muaj qhov sib txawv ntawm cov pob zeb sib tsoo thiab cov pob zeb raws li qhov ntsuas ntawm tus lej ib feem . Yog li, rau cov pob zeb tawg, qhov ntev ntawm cov khoom los ntawm 5 txog 20 hli raug txiav txim siab me me, thaum rau pob zeb, nplej ntawm 5-10 hli twb yog ib feem loj lawm.
Xim
Gravel muaj ntau yam xim. Nws los hauv xim av, dawb, xiav, thiab txawm tias liab dawb . Cov palette no, ua ke nrog cov duab sib npaug ntawm cov nplej, ua rau siv thoob plaws ntawm cov pob zeb rau kev tsim kho kom zoo nkauj.
Crushed pob zeb yog cov khoom siv ib xim . Nws tsis sawv cev rau tus nqi zoo nkauj, nws siv yog txwv rau kev ua haujlwm.
Lwm qhov sib txawv
Qhov sib txawv hauv keeb kwm ntawm ob qho khoom siv ua ntej txiav txim siab qhov sib txawv hauv kev ua tsis tau raws li qhov ua tau zoo ntawm cov pob zeb thiab cov pob zeb tawg. Yog tias peb tham txog tus nqi, tom qab ntawd tus nqi ntawm ib tuj ntawm cov pob zeb thiab cov pob zeb tawg yog hais txog tib yam . Txawm li cas los xij, cov pob zeb sib npaug ntawm cov pob zeb ua kom puv tag nrho cov voids, yog li nws qhov kev siv rau kev ua rau thaj chaw qub yog ntau dua li ntawm cov pob zeb tawg. Raws li, thaum siv pebbles, tag nrho cov nqi ntawm kev ua haujlwm nce hauv kev sib piv nrog cov pob zeb.
Qhov kev xaiv zoo tshaj yog dab tsi?
Nws tsis tuaj yeem muab cov lus teb tsis meej rau lo lus nug ntawm cov khoom siv twg yog qhov zoo dua - pob zeb tawg lossis pob zeb. Qhov sib txawv ntawm cov duab thiab cov duab piav qhia cov yam ntxwv ua haujlwm ntawm cov khoom siv no.
Thaum siv cov pob zeb tawg thiab pob zeb hauv kev tsim kho, qhov sib txawv los rau qhov tseeb tias qhov siab tshaj plaws rau qhov sib xyaw ua ke tuaj yeem ua tau tsuas yog ntxiv cov pob zeb tawg . Tias yog vim li cas tsuas yog nws tau siv hauv kev tsim kho lub hauv paus. Nyob rau tib lub sijhawm, nws nyuaj heev los siv pob zeb tawg hauv vaj tsim - nws yog cov khoom siv thev naus laus zis, yog li nws tsis sawv cev rau tus nqi zoo nkauj.
Cov pob zeb muaj cov duab sib npaug, nws pom kev zoo nkauj dua thiab ntxim nyiam, tshwj xeeb tshaj yog nyob hauv dej thiab pob zeb pebbles.
Dhau li pob zeb du - nws zoo nkauj heev, tab sis tsis muab qhov tsim nyog adhesion ntawm cov xuab zeb -MAAs loj . Nkag mus rau hauv cov tshuaj, pebbles tam sim txiav mus rau hauv qab - yog li, qhov ntom thiab ruaj khov ntawm cov pob zeb ua ke tau ua txhaum. Lub hauv paus ntawm cov qauv no yuav tsis tuaj yeem tiv taus qhov hnyav thiab yooj yim pib tawg thiab sib tsoo.
Vim yog cov npoo sib npaug thiab cov duab tiaj tus, pebbles muaj qhov tsis zoo ntxiv qhov tsis zoo . Thaum ua tiav txoj kev rov qab, ntau qhov chaw dawb tau tsim los ntawm cov pob zeb, yog li qhov ntom ntom ntom ntom ntawm cov khoom siv hauv tsev no tsawg heev. Qhov no muaj qhov tsis zoo tshaj plaws rau lub zog tag nrho ntawm lub vev xaib.
Qhov zoo ntawm pob zeb suav nrog nws qhov zoo nkauj zoo nkauj. Nws yog cov khoom siv tshwj xeeb thiab qub, tab sis kev siv tshuab nws yuav tsis yog qhov kev daws teeb meem zoo tshaj plaws . Txawm hais tias qee qhov nws tuaj yeem siv rau kev tsim cov kua dej thiab cov dej sib xyaw ua ke nrog qib nruab nrab ntawm lub zog - hauv qhov no, kev txo qis tseem ceeb hauv kev txo tus nqi ntawm cov tshuaj khib tuaj yeem ua tiav. Tab sis rau kev tsim cov tshuaj hnyav hnyav, ntxiv rau cov khoom lag luam nrog lub zog siab xav tau, nws raug nquahu kom siv cov pob zeb tawg ua cov muab tub lim.
Crushed pob zeb
Nws yuav tsum raug sau tseg tias qhov sib txawv ntawm cov pob zeb tawg thiab pob zeb tseem qhia tau tias muaj cov khoom siv zoo li cov pob zeb sib tsoo. Nws tau txais kev dag los ntawm kev tsoo pob zeb monolithic. Crushed pob zeb yog tus yam ntxwv los ntawm kev ntxiv dag zog, thaum tus nqi ntawm nws cov khoom tsim tau qis dua li thaum cov pob zeb tsoo zeb.
Cov khoom siv yog qhov txawv los ntawm qhov tshwj xeeb tiv taus qhov kub thiab txias heev.
Tias yog vim li cas nws thiaj xav tau dav hauv kev npaj tsim lub hauv paus. Lwm txoj hauv kev rau nws yog pob zeb tawg los ntawm granite, ntxiv rau cov pob zeb ntxhib tau tso cai.
lus xaus
- Ob qho khoom siv hauv tsev yog keeb kwm tsis zoo, tab sis pob zeb tawg yog tau los ntawm kev siv tshuab puas tsuaj ntawm cov pob zeb tawv, thiab pob zeb tau tsim thaum lub sijhawm lawv puas tsuaj.
- Pebble muaj cov duab zoo nkauj nrog lub ntsej muag tiaj tus. Cov duab ntawm cov pob zeb tawg yog qhov xav tau thiab yuav tsum tau ua kom pom tseeb, lub ntsej muag ntawm cov nplej yog ntxhib.
- Crushed pob zeb tau pom nws daim ntawv thov daws teeb meem kev tsim kho. Pob zeb feem ntau yog siv rau kev kho kom zoo nkauj toj roob hauv pes.
- Qhov txiaj ntsig tseem ceeb ntawm cov pob zeb tawg los rau nws qhov ua tau zoo siab thiab cov yam ntxwv tsis zoo. Qhov zoo ntawm pob zeb yog nws qhov zoo nkauj zoo nkauj.
Pom zoo:
Cov Pob Zeb Tsoo Pob Zeb: Cov Pob Zeb Uas Tsoo Yog Qhov Zoo Dua Rau Chaw Nres Tsheb Hauv Lub Tebchaws? Yuav Ua Li Cas Thiaj Ua Chaw Nres Tsheb Rau Koj Tus Kheej? Cov Cuab Yeej Siv Tshuab
Cov pob zeb tsoo pob zeb: cov yam ntxwv ntawm kev xaiv chaw thiab kev teeb tsa. Cov khoom siv twg yog qhov zoo tshaj plaws rau kev nres tsheb hauv lub tebchaws? Yuav ua li cas thiaj ua chaw nres tsheb rau koj lub tsheb? Cov lus qhia ib qib zuj zus rau sau cov chaw nres tsheb nrog pob zeb
Cov Xuab Zeb Ua Vaj Tse Rau Screed: Siv Rau 1 M2 Ntawm Hauv Pem Teb. Qhov Zoo Tshaj Plaws Ntawm Cov Xuab Zeb Ua Vaj Tse Rau Screeding. Ib Nrab Qhuav Xuab Zeb Qhob Screed Los Ntawm Nthuav Av Nplaum Thiab Xuab Zeb Ua Vaj Tse
Sand qhob rau screed, nta. Kev siv rau 1 m2 ntawm hauv pem teb. Qhov zoo tshaj plaws ntawm cov xuab zeb ua vaj tse rau screeding. Ib nrab qhuav xuab zeb qhob screed los ntawm nthuav av nplaum thiab xuab zeb ua vaj tse
Ib Feem Ntawm Cov Pob Zeb Tawg Rau Cov Pob Zeb: Yuav Tsum Tau Pob Zeb Tsoo Rau Lub Hauv Paus Ntawm Lub Tsev Thiab Qhov Twg Zoo Dua Rau Qhov Chaw Dig Muag? Qhov Loj Me Yog Siv Rau Pob Zeb Ua Vaj Tsev?
Dab tsi ntawm cov pob zeb tawg yuav tsum tau siv tshwj xeeb rau cov pob zeb twg? Dab tsi yog pob zeb tawg uas xav tau rau lub hauv paus ntawm lub tsev thiab qhov twg zoo dua rau thaj chaw dig muag? Peb yuav qhia koj hauv peb cov ntawv tshaj tawm
Plhaub Pob Zeb (29 Duab): Nws Yog Dab Tsi? Qhov Loj Thiab Qhov Ua Kom Sov Ntawm Lub Pob Zeb, Pob Zeb Pob Zeb Hauv Cov Thoob Dej Yug Ntses Thiab Lub Laj Kab Ua Los Ntawm Cov Vuas, Keeb Kwm Ntawm Dagestan Lub Plhaub Pob Zeb
Plhaub pob zeb (lossis pob zeb pob zeb) yog cov khoom siv uas nquag siv hauv kev tsim kho. Nws yog dab tsi? Dab tsi yog qhov ntev thiab thermal conductivity ntawm pob zeb? Yuav ua li cas siv qwj ntses hauv cov thoob dej yug ntses? Koj puas tuaj yeem tsim lub laj kab pobzeb? Nyeem hauv kab lus
Qhov Twg Zoo Dua: OSB Lossis Chipboard? Lawv Txawv Li Cas Thiab Yuav Tso Dab Tsi Rau Hauv Av? Qhov Sib Txawv Ntawm OSB Thiab Pawg Thawj Coj Saib. Dab Tsi Yog Qhov Muaj Zog Thiab Muaj Zog, Muaj Teeb Meem Ntau Dua Thiab Pheej Yig Dua?
Qhov twg zoo dua - OSB lossis chipboard? Lawv txawv li cas thiab dab tsi yog qhov zoo dua los tso rau hauv pem teb? Qhov txawv ntawm OSB thiab pawg thawj coj saib dab tsi, koj xav paub dab tsi ntxiv?
