Portland MAAs - yog dab tsi? Hom, specifications

Ib qho ntawm feem ntau cov hom ntawm cement rau pob zeb ua mixtures - Portland. Qhov ntawd yog yuav ua li cas nws yog siv, dab tsi zog nws muaj, saib cov lus nug no thiab ntau hauv qab no.

qauv

Raws li rau tej kev tsim kho cov ntaub ntawv uas, siab xav tau muab tso rau pem hauv ntej mus rau lub Cheebtsam ntawm uas tsim Portland MAAs. GOST 10178-85 "Portland MAAs thiab slag" regulates lub muaj pes tsawg leeg thiab zoo tshaj ntawm cov khoom xyaw rau no hom ntawm phau ntawv:

• Maas clinker nrog ib tug loj feem ntawm silicon oxide yog tsis ntau tshaj li 5%.
• Plaster raws li GOST 4013-82. Kuaj pom ntawm phosphorus tebchaw, boron thiab fluorine nyob rau hauv ib tug npaum li tsis tooj mus rau tus txheej txheem cov ntaub ntawv.
• Mineral tshuaj tej zog yuav tsum tau rau cov creation ntawm mixtures ntawm yam hom.

Tag nrho cov Cheebtsam yog av ua ke kom txog thaum tus.

Rau ntau yam ntawm Portland MAAs yuav siv tau los ntawm ntau yam, uas tseem kom tej kev uas yuav tsum tau kws kho rau ib tug mus ntsib.

Nyob rau hauv cov nroj tsuag qhov chaw uas lawm yog nqa tawm, tag nrho cov Cheebtsam dhau qhov yuav tsum tau kev ntsuam xyuas raws kev cai, kom meej meej proportioned tsim ib tug qhuav thiab ua hauj lwm mixtures.

Portland MAAs manufactured los ntawm cov Standard thiab nws los muaj xws li lub ntim thiab nyob rau hauv lub nrog cov ntaub ntawv. Yog hais tias muaj yog tsis muaj, ces cov khoom yog manufactured raws li TU, nws cov khoom tej zaum yuav txawv los ntawm cov neeg feem ntau txais.

ntau lawm

Yuav kom to taub, Portland - nws yog tsim nyog xav tias tus txheej txheem ntawm nws cov ntau lawm, uas muaj ob peb theem:

1. Limestone tsuas greenish los yog daj. Nws cov lus dag ntawm ib tug tob ntawm 10 meters khaubncaws sab nraud povtseg raug muab tshem tawm vim hais tias ntawm nws qhib qhov nyob rau hauv lub hauv av geological txoj kev loj hlob.
2. Kev npaj. Thawj cov ntaub ntawv uas twb raug mus rau cov thawj kom qhuav thiab kev sib tsoo uas siv ib co additives kom tau ib tug combustible sib tov. Yuav kom nrhiav tau tawm yog dab tsi loj cov loj feem ntawm impurities muaj astringent, cia li saib lub labeling: PC400 d20 sib txuas ntxiv ntawm ib tug ntim ntawm 20% improvers thiab PTS500 d0 tsis muaj lawv nyob rau tag nrho cov. Tom qab thawj zaug sib tsoo lub sib tov twb calcined nyob rau hauv haib tshwj xeeb furnaces. Txij li thaum lub MAAs clinker yog tau - lub ntsiab tivthaiv ntawm Portland MAAs.
3. Xov. Rau ntawm no theem, cov clinker yog qhuav thiab av mus rau ib tug ua hauj lwm feem ua ke nrog limestone thiab tshwj xeeb additives rau txhua hom ntawm Portland MAAs. Tom ntej no, lub sib tov yog lawm ua tus sau rau hauv pob khoom ntawm 30, 40, 50 kg thiab xa mus rau lub chaw siv warehouses, khw.

raug nta

Tag nrho cov hom ntawm cov Portland MAAs (PC) no yog ua los ntawm ntaub ntawv sib txawv, ib qho muaj rau tag nrho yog lub tsuas MAAs clinker. Qhov seem Cheebtsam yuav muaj ntau zog: dej kuj, mineral cov ntsiab lus. Muab tej yam zoo, nws yog tsis yooj yim sua los kho tag nrho cov hom ntawm cov khoom nyob rau hauv ib txoj kev, thiaj li muaj ntau txoj kev uas siv lub thib ob theem ntawm ntau lawm:

• Lub ntub txoj kev yuav sib tsoo yam nyob rau hauv cov dej. Yog li ntawd ua li cas rau chalky av nplaum thiab hlau pab. Rau lawv, muaj cai av noo no: av nplaum - 20%, chalk - 29%. Cov uas ua emulsion tom qab ua muaj ib tug dej cov ntsiab lus ntawm 50% thiab raws li xws li yog xa mus rau lub kiln. Thaum lub sij hawm lub tshav kub kev kho mob clinker tsim hlaws dai uas tom qab as mus rau hauv lub tiav lawm phau ntawv.
• Lub qhuav txheej txheem tsis hais lub humidification raw cov ntaub ntawv: nws nkag mus rau hauv lub cub tawg mus rau qhuav. Tus nqi ntawm cov xis mas ua nyob rau hauv no txoj kev yog qis vim hais tias lawv tsis yuav tsum tau lub zog rau kom qhuav.
• Ua ke txoj kev combines ntub thiab qhuav. Lub slurry (nyoos sib tov) yog as nyob rau hauv cov dej. Ntxiv mus, siv ib lub lim Muab ib tug loj npaum li cas ntawm dej nyob rau hauv lub kiln nkag nrog lub sib tov rau 18% dej.

zog

Raws li twb tau hais, lub pob zeb yuav siv sij hawm nyob rau hauv ib tug tej yam zoo thaum nws ntxiv ib qho kev Portland MAAs. Tus yam ntxwv ntawm txhua tus ntawm lawv yog cim, tab sis muaj ntau rau tag nrho cov tsis:

• Tsis ceev nyob rau hauv ntau 3050-3150 kg / m ^3, lub ib thooj rau ntau hom kev HRC yuav sib txawv.
• Portland MAAs fineness yuav tsum tau txiav txim los ntawm sab cib permeability №008 hmoov tsis tsawg tshaj li 85%.
• Cov kev loj ntawm lub nto tom qab feem kawm poob 2500-3000 cm ² / g.
• Teem lub sij hawm: pib - 45 feeb, qhov kawg - 12:00. Ntsuas rau ib tug scale Vita.

Durability yog ntsuas kuaj nrws nrog qhov ntev 4h4h16 cm, ua los ntawm MAAs-zeb daws nyob rau hauv tus piv 1: 3 nrog tus piv ntawm cov dej rau MAAs ntawm 0.4, tom qab 28 hnub ntawm hardening. Npaj plaub yog raug dabtsi yog khoov thiab compression los ntawm kev txiav txim lawv cov nqi thiab lub duas paub tias.

hom

Nyob ntawm seb lub hom Portland MAAs siv additives yuav muaj ob peb ntau yam:

• thaum ntxov zog;
• sulfate;
• hydrophobic;
• plasticized;
• muaj mob loj tsawv exotherm;
• slag;
• acid;
• alumina;
• dawb thiab xim;
• pozzolan.

Txhua yam muab pob zeb ua thaiv tej yam zog tsim nyog rau siv nyob rau hauv ib qhov chaw los yog hauv cheeb tsam.

Pts muaj loj nyiaj ntawm cov calcium tebchaw thiab muaj peev xwm sawv ntawm sai muaj zog ntawm solidification.

Sulfate Portland MAAs yog muaj li ntawm additives uas ua rau kom cov pob zeb ua kuj mus txhoj puab heev tshuaj.

Hydrophobic hom phau ntawv muaj additives uas txhawb qeeb evaporation ntawm cov dej uas ua rau nws siv tau nyob rau hauv arid thaj chaw, nyob qhov twg tsim nyog gradual hardening ntawm lub pob zeb tsis muaj tsis muaj zog.

Plasticized saib phau ntawv inputted rau hauv lub pob zeb mix, tsub kom nws plasticity thiab workability.

Portland MAAs nrog ib tug loj tsawv exotherm thaum lub sij hawm co allocates ib tus me me ntawm tshav kub.

Slag yog muaj li ntawm moj tej tawg cub tawg slag, uas ho thiaj li nws them tus nqi.

Acid HRC yog muaj li ntawm ntshiab quartz xuab zeb thiab sodium fluorosilicate, resistant mus txhoj puab heev tshuaj kev kawm;

Portland MAAs, aluminous muaj ib tug siab concentration ntawm txhuas oxide, yeej txhawb sai hardening.

PC enriched pozzolanic mineral additives ntawm volcanic thiab sedimentary keeb kwm (txog li 40% ntawm tag nrho cov hnyav). Lawv ua rau kom cov dej kuj thiab tsis tsim efflorescence rau ntawm qhov chaw ntawm lub tiav lawm qhob.

Dawb thiab dawb lias hom binders muaj xws li ntau yam hlau tebchaw uas muaj peev xwm yuav pleev xim rau nyob rau hauv ib tug tej yam xim ntawm cov pob zeb.

Classification los ntawm lub dag lub zog

Nyob rau hom Portland sib cais rau lub hauv paus ntawm txoj kev index - qhov kawg lub dag lub zog thaum lub sij hawm axial compression halves kuaj hnub nyoog 28 hnub. Raws li, qhov hluav taws xob kos 400, 500, 550, 600.

Txhua yam ntawm Portland MAAs qib 400 yog siv los tsim ib qho thiab txheej txheem designs uas tsis raug kev txom nyem nce kev nyuaj siab.

Ntau dua qhov tseem ceeb ntawm nyiaj muas yog cov ntau ntau kim, lawv siv rau kev lug thiab lawv cov Cheebtsam.

daim ntawv thov

Portland MAAs - dab tsi yog nws? Qhov no yog ib qho paub hauv daim ntawv ntawm qhob phau ntawv. Raws li, nyob ntawm seb lub hom muab tub lim muaj lub pob zeb los yog lwm yam enhanced yam ntxwv. Piv txwv li, high-thaum ntxov Portland MAAs 500 thiab 600 muaj ib tug high nqi ntawm hardening, vim hais tias nws yog ntxiv rau lub pob zeb thiab rau zus tau tej cov loj heev lug lub luag hauj lwm ob underground thiab saum toj no-av lug. Tsis tas li ntawd, nws yog feem ntau siv nyob rau hauv tus neeg mob qhov twg muaj ib tug xav rau sai curing, piv txwv li, rau pouring lub hauv paus formwork.

Cov feem ntau yog Portland MAAs 400. Nws yog universal nyob rau hauv daim ntawv thov: tsim monolithic thiab precast ntsiab dua lub dag lub zog yuav tsum tau, thaum uas tsis yig ua tsis tau zoo tus yam ntxwv PTS500, tab sis muaj ib tug txo nqi.

Sulfate saib phau ntawv siv rau qhov kev npaj ntawm mixtures uas muab kev koom tes nyob rau hauv kev tsim underwater lug. Lawv yog cov feem ntau raug rau cov puas tsuaj ntawm txhoj puab heev sulphate dej.

300-600 plasticized Portland MAAs ho pab txoj kev lub yas thaj chaw ntawm cov tshuaj, nws lub zog yam ntxwv, yog li txuag 5.8% ntawm phau ntawv, piv rau cov pa xis mas.

Tshwj xeeb cov hom ntawm HRC tsis tshua muaj siv nyob rau hauv me me siv raws li ib tug raw khoom muaj ib tug ntau dua tus nqi, thiab txhua txhua tus txiv neej nyob rau hauv txoj kev paub txog daim ntawv no ntawm lub active tshuaj. Portland cements feem ntau siv rau pob zeb ua hmoov sib tov siv nyob rau hauv ib tug loj thiab tseem ceeb tej khoom.

Thaum nws yog tsis tsim nyog mus thov

Portland MAAs - active tivthaiv uas muab lub txiaj ntsim qhob khoom tshwj xeeb. Tab sis tsis muaj nws cov tsos yuav tsum tsis txhob yuav siv nyob rau hauv ib tug xav ntws dej txaj, nyob rau hauv lub ntsev dej, nyob rau hauv dej nrog ib tug high school cov mineral cov ntsiab lus. Sulfate saib cov tej yam kev mob yuav tsis tau tiv nrog nws zog, nws yog tsim los ua hauj lwm nyob rau hauv zoo li qub tsis kub tsis txias dej. Rau dams apparatus, dams thiab hydraulic lug, uas pab raws li siab nruab nrab nyob rau hauv lub aqueous siv tshwj xeeb hom cements.

Yuav ua li cas mus xaiv thiab yuav

Thaum twg koj yuav yuav tsum tau to taub, Portland - yog dab tsi? Tus thawj phau ntawv los tsim ua vaj tse. Raws li nrog tib yam MAAs, nws yog muag nyob rau hauv sau hnab, hnab ntawv ntawm 50 kg, tej zaum 30, 40.

Thaum xaiv them xim rau cov npav rau ntawm lub hnab. Yuav tsum muaj ib lub hom (Portland MAAs, slag thiab cov zoo li. D.), raws li GOST los yog W, tus nqi ntawm cov mineral additives. Koj yuav tsum tau them sai sai mus rau lub hnub tim uas siv: lub tshiab pub, qhov zoo nws zoo.

Nyob rau tus nqi ntawm ib tug tshwj xeeb MAAs muaj feem xyuam rau ob qho tib si manufacturers thiab resellers. Cov tib raug technology tsis tau txhais hais tias ib tug loj sib txawv nyob rau hauv nqe. Yog li ntawd, xaiv cov khoom ntawm cov nroj tsuag, uas yog cia siab rau, uas muaj qhov zoo tshaj plaws lub koob npe nrov.

Yuav ua li cas npaum li cas yog Portland? Tus nqi ntawm feem ntau nrov P 400 50 kg ib lub hnab pib ntawm 200 rubles PTS500 (50 kg.) - 230 rubles. Nws yuav zoo li ib tug me me qhov sib txawv, tab sis mus rau tsim designs yuav tsum tau ib tug loj npaum li cas ntawm sib tov, uas yog raws li nyob rau hauv lub phau ntawv. Raws li ib tug tshwm sim ntawm ib qho yuam kev nyob rau hauv cov kev xaiv yuav raug nqi ib tug txiav txim penny.