Crushed Pob Zeb Rau Lub Hauv Paus: Yam Twg Siv - Pob Zeb Lossis Granite, Qhov Twg Yog Qhov Xav Tau Rau Cov Xuab Zeb, Pob Zeb Tawg Ua Ntej Npaj

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41

Lub hauv paus ntawm ib lub tsev twg yog lub hauv paus, uas koj yuav tsum xaiv cov khoom tsim tau zoo tshaj plaws, yog ua tau. Ib qho ntawm cov khoom siv ntawm lub hauv paus yog pob zeb tawg. Nws yog nws qhov kev xaiv uas txiav txim siab lub zog thiab kav ntev ntawm cov qauv yav tom ntej (lub tsev), ntxiv rau, cov khoom siv hauv tsev zoo tso cai rau koj kom tsis txhob raug nqi ntau ntxiv, vim tias koj tsis tas yuav hloov thiab kho qee yam thaum tsim kho. Txhawm rau xaiv qhov yog, koj yuav tsum nkag siab txhua hom pob zeb tawg thiab nkag siab tias qib twg thiab rau lub hom phiaj twg yog qhov zoo tshaj.

Peculiarities

Cov pob zeb tsoo yog ib qho ntawm cov khoom siv ntau tshaj plaws rau kev sib xyaw ua ke, yam tsis muaj lub tsev niaj hnub no lossis lwm yam khoom tuaj yeem ua tau. Cov khoom siv hauv tsev no muaj ntau yam kev faib tawm thiab tau txais txiaj ntsig nrog cov yam ntxwv sib txawv thiab cov yam ntxwv, uas cuam tshuam ncaj qha rau kev tsim kho yav tom ntej zoo, thiab lub zog ntawm kev ua vaj tse, thiab lub zog ntawm lub hauv paus. Txawm hais tias tus nqi qis xws li cov khoom siv hauv tsev, pob zeb tawg ua ke ua ke tag nrho cov yam ntxwv uas hloov tsis tau hauv kev tsim kho.

Crushed pob zeb muaj cov yam ntxwv hauv qab no:

• qib siab ntawm lub zog - thaum piv nrog txhua tus muab cov pob zeb sib xyaw ua ke, qhov ruaj khov tshaj plaws ntawm txhua hom pob zeb tawg yog cov khoom siv granite;
• tiv taus ya raws - cov pob zeb tawg tsis hnov mob rau noo noo;

• kev ua siab ntev rau qhov kub tshaj plaws - te thiab cua sov, nrog rau kev tiv thaiv ib puag ncig cuam tshuam. Cov pob zeb tsoo tuaj yeem tiv taus txog li peb puas qhov kev hloov pauv hauv qhov kub thiab txias;
• siab adhesion - vim qhov ntxhib nto thiab lub ntsej muag zoo ib yam, cov nplaum ntawm cov khoom siv rau pob zeb ua kom zoo dua qub;
• txo kev sib hais haum thiab nkag ntawm cov pob zeb, uas txo qhov tshwm sim ntawm kev tawg thiab txhua yam kev deformations hauv lub tsev tsim;
• yooj yim ntawm kev siv;
• kev ua haujlwm siab.

Ib qho ntxiv, vim muaj ntau hom kev sib tsoo pob zeb, koj tuaj yeem xaiv ib qho uas tsim nyog tsis yog hais txog cov yam ntxwv tshwj xeeb, tab sis kuj hais txog tus nqi.

Cov pob zeb tawg zoo yuav tsum raug xaiv raws cov yam ntxwv hauv qab no:

• Flakiness yog tus yam ntxwv ntawm kev tiaj tus ntawm cov khoom. Nyob rau hauv tag nrho, cov pob zeb tawg muaj 4 pawg ntawm flakiness: sib npaug, cuboid, txhim kho thiab zoo tib yam;
• qib ntawm lub zog - cov khoom muaj zog dua, zoo dua. Qhov ntsuas siab tshaj plaws ntawm lub zog tau txais txiaj ntsig nrog ob hom pob zeb tawg: granite thiab pob zeb;
• radioactivity yog tus yam ntxwv tseem ceeb uas nyob ntawm kev tso nyiaj ntawm cov khoom siv hauv tsev. Cov pob zeb tawg tau zoo tau ntawv pov thawj rau hluav taws xob. Qhov ntsuas no tsis cuam tshuam rau lub zog ntawm cov khoom, txawm li cas los xij, qib ib puag ncig kev phooj ywg nyob ntawm nws;
• te tiv taus - cov yam ntxwv no qhia txog cov caij nyoog uas lub hauv paus ntawm cov khoom no yuav tiv taus. Raws li qib ntawm kev tiv taus te, pob zeb tawg tuaj yeem muab faib ua qhov ruaj khov, tsis ruaj khov thiab tiv taus ntau;
• coefficient compaction - qhov ntom ntom ntawm cov pob zeb tawg ntawm 1, 2 txog 3 g / cm³. Qhov no yog nyob ntawm seb hom keeb kwm ntawm cov khoom siv. Cov pob zeb tsoo nrog qib siab ntawm kev ntom ntom yog ntau yam thiab muaj qhov txwv tsis txwv. Qhov ntom ntom ntom thiab lub zog ntawm cov khoom siv hauv tsev no yog ncaj qha sib piv.

Saib

Cov pob zeb tsoo rau lub hauv paus tau muab faib ua hom los ntawm kev faib ua feem, nrog rau lub hom phiaj.

Los ntawm qhov xwm txheej ntawm keeb kwm, cov khoom siv hauv tsev no tau muab faib ua ntau hom, ntawm qhov nws yuav tsum tau sau tseg xws li:

• granite;
• pob zeb;
• limestone;
• theem nrab;
• slag.

Txhua hom saum toj no nws muaj nws tus yam ntxwv, yam ntxwv thiab lub hom phiaj, uas yog qhov txiav txim siab tseem ceeb thaum xaiv cov khoom tshwj xeeb.

Granite

Crushed granite yog cov khoom siv hauv tsev uas xoob thiab tsis muaj keeb kwm keeb kwm. Cov nplej ntawm cov pob zeb tawg yog qhov loj heev - los ntawm 5 hli thiab ntau dua, uas yog mined los ntawm crushing granite. Cov pob zeb tawg no muaj cov yam ntxwv zoo tshaj plaws, uas ua rau nws yog cov khoom siv hauv tsev uas muaj ntau yam txheej txheem. Nws yog kev sib sau ua ke zoo rau kev ua vaj tsev zoo. Feem ntau, nws pom muaj xim liab lossis xim av, vim nws muaj mica, feldspar thiab quartz. Granite crushed pob zeb yog qhov kim tshaj plaws, vim nws tuaj yeem tiv taus cov khoom hnyav, muaj cov nplaum zoo rau cov pob zeb, tiv taus qhov kub thiab txias thiab muaj lub zog siab.

Cov khoom siv hauv tsev no tau muab faib ua feem feem xws li:

• 5-10 mm - siv hauv kev tsim cov pob zeb, cov khoom siv ua vaj tsev, asphalt, ntxiv rau cov hom phiaj zoo nkauj;
• 5-20 hli yog ib qho ntawm feem xav tau feem ntau hauv kev tsim cov asphalt thiab ua vaj tsev. Ib qho ntxiv, nws tau siv thaum nchuav lub hauv paus ntawm lub tsev nyob, cov choj tsim, cov ntawv txuas, nrog rau kev ua kom zoo nkauj;
• 10-20 mm - siv hauv kev tsim cov pob zeb, cov khoom siv ua vaj tsev, thaum tso lub hauv paus, thaum nchuav cov txheej txheem rau kev tsim kho cov choj;
• 20-40 mm - nrog kev pab ntawm cov feem no, pob zeb tawg tau siv rau qhov chaw ntim, txoj kev, thiab tseem ua cov tog hauv ncoo rau lub hauv paus ntawm lub hauv paus thiab siv rau lub hom phiaj zoo nkauj;
• 25-60 mm - feem ntau siv hauv kev tsim kev tsheb ciav hlau, txheej ballast tau ua. Ib qho ntxiv, nws yog qhov zoo tshaj plaws rau txoj kev thim rov qab thiab cov chaw, nrog rau hauv cov phiaj xwm zoo nkauj;
• 70-150 hli - qhov feem ntawm cov pob zeb tawg yog qhov tsis tuaj yeem hloov pauv hauv cov chaw uas muaj cov av muaj kua thiab cov khoom loj loj rau ntawm qhov chaw pov tseg;
• 0–0.5 hli yog qhov tso tawm uas siv los ua cov khoom zoo nkauj thaum ua haujlwm tiav. Ib qho ntxiv, nws haum rau txoj hauv kev txaj, chaw ua si thiab thaj chaw kis las.

Crushed granite muaj ntau qhov zoo thiab tsuas yog qhov teeb meem tsuas yog ntu nqi siab.

Pob zeb

Cov pob zeb tsoo yog cov uas tsis yog xim hlau, cov khoom siv ntws dawb uas tau los ntawm kev tsoo lossis tshuaj xyuas cov chaw txua txiag zeb (pob zeb). Nws yog te-tiv taus, txawm li cas los xij, nws lub zog qis me ntsis dua li ntawm cov pob zeb tawg, tab sis qhov no tsis tiv thaiv nws los ntawm kev siv ntau hom kev tsim kho ua haujlwm. Cov pob zeb tawg tau muab faib ua ob hom: hiav txwv thiab dej. Qhov txiaj ntsig zoo ntawm pob zeb yog nws cov xov tooj cua qis thiab muaj peev xwm nqus tau hluav taws xob, uas yog vim li cas nws thiaj nrov heev. Vim tias nws tus nqi pheej yig, hom pob zeb tawg tau siv dav hauv kev tsim cov tsev nyob, txoj kev, hauv kev tsim cov pob zeb, cov khoom siv ua vaj tsev. Cov khoom siv no muaj qhov nruab nrab ntom ntom, tsis muaj flakiness, uas tso cai kom ua kom zoo shrinkage thiab tamping hauv kev tsim cov khoom siv sib xyaw, thiab tseem muaj peev txheej cog qoob loo zoo. Ib qho ntxiv, cov pob zeb tawg tau muaj qhov feem pua tsawg ntawm cov hmoov av thiab hmoov av, uas tsis pub tshaj 0, 6.

Cov khoom muaj xws li feem feem xws li:

• 0–0.5 mm yog kev tshuaj xyuas pob zeb uas tuaj yeem siv rau hauv kev tsim kho av thiab rau txoj kev txau;
• 3-10 hli yog ib feem me me, uas yog siv dav rau nchuav cov plag tsev thiab tso cov hauv paus;
• 5-10 mm yog qhov xav tau feem uas tuaj yeem siv rau hauv kev tsim cov pob zeb ua lub hauv paus;
• 20-40 mm yog qhov feem nrab. Hom pob zeb tawg no xav tau rau kev tsim cov pob zeb ua lub hauv paus, nrog rau kev ua haujlwm ua kua;
• 40-70 hli yog ib feem me me uas tau siv thaum txhim kho txoj kev, rau kev ua dej, rau kev sib koom ua ke thiab ntxiv dag zog rau ntau yam txheej txheem.

Cov pob zeb sib tsoo yog qhov kev xaiv zoo tshaj plaws thaum tsim lub hauv paus ntawm ib lub tsev ntiag tug.

Limestone

Limestone (dolomite) cov pob zeb tawg yog cov khoom siv nyuaj hauv tsev tsim los, uas tau txais los ntawm cov khoom siv tsoo ntawm pob zeb hauv chaw txua txiag zeb. Ntxiv mus, cov khoom siv tau ua tib zoo sieved thiab muab faib ua feem siv hauv ntau yam lag luam. Feem ntau, cov pob zeb tawg no pom nyob hauv cov xim dawb, tab sis qee zaum nws los hla ob lub teeb daj thiab txho. Cov xim ntawm cov khoom nyob ntawm qhov muaj qhov tsis huv nyob hauv cov pob zeb tawg (hlau oxide, quartz thiab av nplaum). Cov khoom siv hauv tsev no muaj cov yam ntxwv zoo heev: qib qis ntawm cov hluav taws xob thiab lub zog siab.

Raws li qhov flakiness, limestone crushed pob zeb tau muab faib ua peb chav kawm, xws li:

• cuboid;
• zoo tib yam;
• txhim kho

Ib qho ntxiv, vim yog cov qauv txheej txheem tshwj xeeb, cov pob zeb tawg tau muaj qib siab ntawm kev tiv taus te. Nws tuaj yeem tiv taus txawm tias kaw qhov kub qis. Los ntawm kev faib cov khoom faib ua tsib feem, nws tau siv hauv kev tsim cov qhob, tsim cov khoom sib xyaw, cov chaw hauv av, cov hauv paus rau cov chaw tso tsheb, cov chaw khaws khoom, cov tuam tsev rau lub caij ntuj sov, nrog rau kev lim dej hauv cov tso tsheb hlau luam.

Secondary

Cov pob zeb tawg zaum ob - hom pob zeb tawg no yog tau los ntawm kev zom thiab ua cov cib, asphalt, tawg ntawm cov pob zeb txhawb nqa ntxiv thiab lwm yam kev tsim kho pov tseg, uas yog, kev tsim kho pov tseg hloov mus ua cov khoom siv tau zoo. Nws tau siv los ua txaj rau ntawm txoj kev taug kev, pob zeb ua haujlwm thiab hauv pem teb, tab sis nws tsis haum rau lub hauv paus hauv qab lub tsev, vim nws tsis tau txais txiaj ntsig nrog txhua yam kev ua haujlwm.

Slag

Slag (cam khwb cia) pob zeb tawg yog tau los ntawm kev ua cov pob zeb los yog cov hlau ua slag. Qhov no yog cov khoom siv hauv tsev tsis kim heev, thiab vim nws muaj qhov tshwj xeeb muaj pes tsawg leeg, nws tuaj yeem siv rau hauv kev tsim cov cua sov uas tiv taus cov pob zeb thiab cov pob zeb hauv av. Raws li lub hauv paus, nws haum rau cov tsev nrog thaj chaw me me.

Qhov loj me

Cov npe ntawm cov yam ntxwv tseem ceeb ntawm cov pob zeb tawg kuj suav nrog nws cov feem - qhov loj ntawm pob zeb. Qhov ua tau ntawm nws siv hauv kev tsim kho ua haujlwm nyob ntawm qhov feem ntawm cov pob zeb tawg.

Yog li, pob zeb tawg tau muab faib ua peb ntu tseem ceeb, xws li:

• me me - cov khoom ntawm qhov ntau thiab tsawg hauv qab no yog: 3x8, 5x10, 10x20, 5x20 mm;
• nruab nrab - pob zeb tawg nrog qhov ntev 20x40, 25x60 mm;
• loj - nthuav tawm hauv qhov ntau thiab tsawg 20x70 thiab 40x70 mm.

Ib qho ntxiv, tsis muaj qhov loj me ntawm cov pob zeb tawg, tab sis lawv tsis siv los ua cov khoom siv hauv tsev, lawv tau siv hauv kev ua kom zoo nkauj thiab toj roob hauv pes.

Sau cov cuab yeej

Ua ntej tso lub hauv paus rau lub tsev, ntau yam kev ua haujlwm tau ua ua ntej ua tiav cov txheej txheem, thiaj li hu ua kev npaj. Nyob rau tib lub sijhawm, nws yog qhov yuav tsum tau ua raws li txhua tus qauv thiab cov cai kom yav tom ntej koj tsis txhob cuam tshuam qhov rai thiab qhov rooj thav duab, pom cov kab nrib pleb ntawm cov phab ntsa thiab cov duab kos. Tus yuam sij rau lub hauv paus zoo yog txaj.

Rau nws qhov kev siv, nws yog qhov yuav tsum tau siv cov ntaub ntawv tsim khoom zoo uas muaj cov yam ntxwv hauv qab no:

• tsis mob plab;
• tsis txhob poob lawv cov khoom nrog qhov kub thiab txias;
• ua cov dej ntws tawm thaum lub sij hawm sib cog;
• tsis muaj flammable impurities.

Raws li txoj cai, lub txaj (hauv ncoo) yog tsim los ntawm kev sib xyaw ua ke, uas suav nrog pob zeb, xuab zeb, pob zeb tawg. Qhov tuab ntawm lub hauv ncoo tuaj yeem yog los ntawm 25 cm txog 60 cm. Cov txaj tuaj yeem yog xuab zeb, lossis nws tuaj yeem ua los ntawm pob zeb tawg. Cov xuab zeb xaiv yog pob nyiaj siv thiab ntau heev.

Lub thev naus laus zis txhawm rau txhim kho lub pob zeb tawg (hauv ncoo) yuav tsum tau ua, ua raws cov theem hauv qab no:

• Ib lub trench raug rub tawm, hauv qab uas tau npog nrog cov pob zeb tawg zoo lossis cov xuab zeb dej ntxhib. Cov txheej yuav tsum yog 10-15 cm;
• ntxiv mus, muaj txheej txheej ntawm cov pob zeb tawg. Raws li SNiP, xav tau cov pob zeb sib xyaw lossis txheej txheej nyias nyias ntawm cov qhob, uas cov cement yog tsawg kawg tsib feem pua. Lub thickness ntawm xws txheej yog 20-25 cm;
• pob zeb tawg yog qib zoo thiab cog nrog lub vibratory pom. Txhua qhov chaw pub dawb yuav tsum raug tshem tawm. Kev txhaws ntawm cov pob zeb tawg yuav tsum mus txog qib ntawm ntug ntawm cov trench. Nws yog los ntawm cov cim no uas suav rov qab ntawm lub hauv paus yuav pib.

Ib lub hauv ncoo hauv av yog qhov kev xaiv zoo tshaj plaws rau cov neeg uas raug txwv hauv cov nyiaj tau muab rau lub hauv paus . Nws yog siv cov xuab zeb ntxhib. Ua ntej rov ua dua, nws yog qhov tsim nyog yuav tsum tau npog hauv qab ntawm lub trench nrog cov khoom vov tsev lossis geotextile txhawm rau tiv thaiv kev sib xyaw ntawm cov xuab zeb nrog av. Hauv cov txheej txheem no, kev ua kom nruj nruj kuj tseem ceeb, uas tuaj yeem ua tau yooj yim nrog cov menyuam. Tom qab ua tib zoo npaj thiab tsim lub ncoo, lub hauv paus slab tau tso.

Lub tswv yim

Thaum yuav cov khoom siv los tsim lub hauv paus ntawm lub tsev lossis lwm yam kev tsim kho, koj yuav tsum coj mus rau hauv tus account tag nrho cov yam ntxwv ntawm cov pob zeb tawg thiab xaiv nws nruj me ntsis rau lub hom phiaj. Rau lub hauv paus ntawm lub tsev nyob, tawg pob zeb nrog ib feem ntawm 20-40 hli ntawm lub voos xwmfab zoo li qhov tsis zoo yog qhov zoo tshaj plaws, thiab rau chav ua noj lub caij ntuj sov, gazebo lossis da dej, tsoo pob zeb ntawm qhov loj dua-5-10 hli yog haum, txawm tias cov txiv qaub tsoo tau tso cai. Koj yuav tsum xaiv cov khoom siv rau hauv koj li kev cia siab, lub peev xwm ntawm cov khoom thiab cov lus qhia los ntawm tus tswv.

Ib qho ntxiv, hauv tus txheej txheem ntawm kev tsim lub hauv paus, koj yuav tsum tau ua tib zoo mloog cov lus qhia hauv qab no:

• nws yog qhov yuav tsum tau coj mus rau hauv tus account qhov tsim nyog yuav tsum tau hais txog qhov sib piv ntawm cov pob zeb tawg feem rau hom kev tsim qauv yav tom ntej;
• tsis txhob tso ib qho av rau ntawm pob zeb;
• nco ntsoov tias lub pob zeb yuav tsum tau ua ib puag ncig lub pob zeb tawg;
• qib ntawm cov pob zeb tawg yuav tsum siab dua qib ntawm kev daws nws tus kheej.

Yog tias koj muaj kev ua xyem xyav thaum xaiv cov khoom siv hauv tsev lossis koj tsis muaj txuj ci thiab kev paub txaus thaum nchuav lub hauv paus, tom qab ntawd nws yog qhov zoo dua los tig mus rau cov kws tshaj lij thiab tau txais kev tshaj lij lossis kev pab.