Concrete M300: muaj pes tsawg leeg, yam ntxwv, noj

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Concrete M300, zoo li lwm yam, hauv txoj cai, yog cov khoom siv yuav luag txhua yam uas tam sim no siv rau ntau qhov chaw ntawm kev tsim kho thiab rau ntau lub hom phiaj. Txhua hom ntawm cov tshuaj no muaj nws tus kheej cov khoom, nqi, yam ntxwv, ntau lawm technology.

cov ntaub ntawv dav dav

M300 yog ib hom tshuaj uas suav hais tias yuav luag thoob ntiaj teb, vim nws muaj tus nqi tsim nyog thiab cov khoom zoo. Tsis tas li ntawd, qhov tsis sib xws ntawm cov pob zeb sib xyaw yog predetermined los ntawm GOST. Tau kawg, txhawm rau kom tau txais cov khoom zoo M300 ua tau zoo, nws yog qhov yuav tsum tau siv cov khoom siv raw zoo. Tab sis ntawm no nws yog ib qho tseem ceeb kom nco ntsoov tias cov tshuaj no muaj ntau li tsib yam sib txawv.

Cov khoom tsim tawm

Tau kawg, cov khoom tseem ceeb yog cement. Raws li txoj cai, qib M400 thiab M500 yog siv, raws li lawv muaj cov yam ntxwv zoo tshaj plaws. Kev siv M200 hom yog qhov ua tsis tau zoo, vim qhov no tuaj yeem ua rau qhov tsis zoo ntawm cov pob zeb ua tiav. Vim lub fact tias cov cement ntsiab M200txawv ntawm qhov ua tau zoo tsis muaj zog, yav tom ntej nws yuav tsis tuaj yeem tiv taus qhov yuav tsum tau ua.

Los ntawm txoj kev, thaum yuav nws tseem ceeb heev uas yuav tsum tau xyuam xim rau hnub tas sij hawm. Yog tias nws tau tas sijhawm, ces qhov zoo ntawm M300 pob zeb, zoo li lwm yam, yuav pom tau tias txo qis.

Qhov thib ob yog rubble. Feem ntau, granite, limestone lossis gravel yog siv ntawm no. Nws yog tsim nyog sau cia tias cov granules tuaj yeem sib txawv ntawm qhov loj me: nws tuaj yeem nyob ntawm 5 txog 70 hli. Kev xaiv ntawm qhov muab tub lim no yog nyob ntawm nws qhov ntsuas lub zog. Nws yuav tsum yog ob zaug lub zog uas yuav tsum tau los ntawm pob zeb. Hauv lwm lo lus, muaj pes tsawg leeg ntawm M300 pob zeb nrog limestone yuav yog 500-600, thiab nrog pob zeb - 800-1000.

Yog koj ua raws li txoj cai no, yav tom ntej nws yuav muaj peev xwm zam kev puas tsuaj ntawm cov qauv. Nws yuav tsum tau muab ntxiv rau ntawm no tias yog cov pob zeb muaj paug, ces nws yuav tsum tau ntxuav ua ntej muab ntxiv rau hauv cov khoom xyaw.

Kuj M300 pob zeb muaj xuab zeb. Cov khoom siv qib no txhais tau hais tias muaj cov xuab zeb granules nyob rau hauv qhov loj ntawm 1 mus rau 2.5 hli. Txhawm rau kom tsis txhob cuam tshuam kev ua haujlwm ntawm kev daws teeb meem yav tom ntej, cov xuab zeb kuj yuav tsum tau sieved yog tias nws muaj cov khoom siv av.

Oddly txaus, dej yog ib qho tseem ceeb ntawm cov khoom uas cuam tshuam rau qhov zoo ntawm pob zeb. Yog li, yog tias koj siv cov tshuaj lom neeg los yog cov kua dej sib xyaw ua ke, ces nws cov khoom yuav deteriorate. Dej yuav tsum tau lim ua ntej siv.

Cov khoom kawg uas muaj feem cuam tshuam rau cov yam ntxwv ntawm M300 pob zeb yog cov khoom ntxiv. Nws yog hais txog ntau yamplasticizers thiab lwm yam khoom xyaw uas ntxiv rau cov khoom yog tias tsim nyog los ua kom nws cov Frost tsis kam, piv txwv li, los yog lwm yam kev qhia.

yam ntxwv ntawm cov khoom

Raws li nws tau dhau los ua qhov tseeb, qhov zoo ntawm M300 yog nyob ntawm feem ntau ntawm cov khoom siv. Thaum siv cov khoom zoo, cov yam ntxwv ntawm cov pob zeb yuav yog kwv yees li hauv qab no:

• Water resistant - w8. Qhov no qhia tau hais tias peb muaj ib tug muaj pes tsawg leeg nrog tsawg permeability. Moisture absorption tsis tshaj 4.2% los ntawm ntim.
• Frost resistance theem - f200.
• Kub ntawm hom no yog nyob rau hauv chav kawm b22, tab sis b25 kuj tau sau ntau zaus. Raws li qhov yuav tsum tau ua rau kev tsim kho yav tom ntej, chav kawm ntawm lub tsheb ciav hlau tuaj yeem sib txawv ntawm p2 txog p4.
• Qhov ntom ntawm M300 pob zeb yog 1800-2500 kg / m³. Qhov kev teeb tsa no yuav txawv nyob ntawm seb tus neeg siv khoom siv twg tau siv.
• Hardness - W2-W4.
• pob zeb no belongs rau chav kawm hnyav.

Daim ntawv thov

Vim qhov tseeb tias M300 pob zeb muaj cov khoom zoo, uas tuaj yeem hloov kho los ntawm kev hloov cov khoom, qhov sib xyaw no tau pom dav siv hauv kev tsim kho:

1. Nws yog siv rau kev tsim khoom xws li chaw ua si, txoj kev, curbs, vim nws tuaj yeem tiv taus cov khoom hnyav thiab tsis tawg.
2. Siv nws los txhim kho phab ntsa lossis txhawb nqa.
3. Siv hauv kev tsim kho av hauv cov tsev tsev,nrog rau cov ntaiv lawv tus kheej.
4. Nws yog qhov zoo tshaj rau kev nchuav lub hauv paus monolithic uas lub tsev ntau lub tsev tuaj yeem sawv, thaum tsis nyob hauv qhov siab.
5. Nws yog siv rau kev tsim cov khoom siv dag zog, nrog rau laj kab.

Nws tseem tsim nyog ntxiv tias cov pob zeb no zoo tsim nyog rau kev npaj cov kav dej phwj tuaj uas raug cov av noo tas li, nrog rau nyob rau hauv cov xwm txheej ntawm qhov kub thiab txias tas li.

DIY Cheebtsam

Koj tuaj yeem yuav cov tshuaj npaj tau, lossis koj tuaj yeem ua rau koj tus kheej. Yog tias koj ua M300 koj tus kheej, koj yuav tsum paub tias nws tuaj yeem yog ob hom:

• Thawj yog siv cov cement hom M400. Hauv qhov no, qhov piv ntawm cov khoom xws li cement, xuab zeb, crushed pob zeb yuav ua raws li hauv qab no - 1: 1, 9: 3, 7.
• hom thib ob txhais tau tias koj yuav tau siv M500 cement. Ntawm no qhov piv ntawm cov khoom yuav hloov thiab yuav zoo li no - 1: 2, 2: 3, 7.

Production

Qhov hnyav ntawm M300 pob zeb, lossis ib qho ntawm nws lub voos xwmfab, tuaj yeem ncav cuag 2000 kg / m³. Daim ntawv qhia yog yooj yim heev, thiab rau kev ua tiav tiav koj tsuas yog xav tau cov khoom siv nws tus kheej thiab qee qhov khoom siv. Yog li, kom tau txais ib lub voos xwmfab M300, koj yuav xav tau:

• ntawm 340 rau 360 kg ntawm cement;
• 800-850 kg xuab zeb;
• 900-1100 kg ntawm pob zeb crushed;
• kwv yees 200 litres dej;
• txog 10 kg ntawm ntau yam additives (plasticizers thiablwm tus).

Yuav tsim cov khoom kom muaj nuj nqis, tau kawg, yuav tsum muaj lub pob zeb sib tov. Ntxiv rau nws, yuav tsum muaj rab chais txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam, nws yuav tsum tau siv rab chais ib rab chais.

Kev tsim khoom siv tshuab yog qhov yooj yim heev:

1. thawj qhov uas yuav tsum tau ua yog nchuav 3/4 ntawm tag nrho cov ntim dej rau hauv lub pob zeb sib tov.
2. Tom qab ntawd, cov khoom siv tig rau thiab koj tuaj yeem pib nchuav cement.

Koj yuav tsum sib tov dej thiab cement kom txog thaum lub homogeneous loj tsim, tsuas yog tom qab ntawd koj tuaj yeem ntxiv pob zeb crushed ua ntej, thiab tom qab ntawd xuab zeb.

Tshwj xeeb lub ntiajteb txawj nqus thiab cov khoom qhuav

Txhawm rau ua tiav txhua txoj haujlwm uas koj yuav tsum tau siv cov pob zeb, koj yuav tsum paub nws qhov tshwj xeeb lub ntiajteb txawj nqus, vim qhov no yuav pab txiav txim siab qhov xav tau ntawm cov khoom pib. Piv txwv li, yog tias koj nqa cov lej uas tau muab rau hauv cov lus piav qhia dhau los thiab sib tov cov tshuaj nrog lawv, koj tau txais ib lub voos xwmfab nrog lub ntiajteb txawj nqus ntawm 2400 kg. Hauv qhov no, txhawm rau tsim cov pob zeb M300, kev noj yuav yog li 30 lub hnab ntawm qhov sib tov.

Tau kawg, cov kws tsim txuj ci tsis siv qhov no, tab sis nws yuav pab ua haujlwm tom tsev. Nws tseem tsim nyog ntxiv tias qhov tshwj xeeb lub ntiajteb txawj nqus suav nrog qhov hnyav ntawm qhov kev txhawb nqa, yog tias muaj, nrog rau qhov chaw uas cov tshuaj tau tso.

Hnub no, muaj cov sib tov qhuav, uas feem ntau hu ua cov xuab zeb pob zeb. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov ntawm no tias nws yog daim ntawv qhia rau kev npaj ntawm M300 pob zeb uas tau muab lub zog rau txoj kev loj hlob.xws li ib yam khoom. Nws tau ntim rau hauv hnab nrog qhov hnyav ntawm 25 mus rau 50 kg. Muaj tseeb, tus nqi rau ib lub hnab yuav tshaj tus nqi tib yam ntawm M300 los ntawm txog 150 rubles. Txawm li cas los xij, cov xuab zeb pob zeb siv tau yooj yim dua thiab nrawm dua. Tsis tas li ntawd, ntxiv cov pob zeb crushed rau nws, yog tias tsim nyog, kuj tau tso cai.

Hardening Features

Vim nws cov yam ntxwv, pob zeb M300 yog tus cwj pwm los ntawm cov tshuaj tiv thaiv tshwj xeeb thaum lub sijhawm tawv. Yog li, yog tias cov proportions raug xaiv raug, ces thaum lub sij hawm tus txheej txheem no crystalline hydrate tshwm. Lub sijhawm no, qhov tseeb, kev sib cuam tshuam ntawm cov cement thiab kua tshwm sim, uas yog nrog los ntawm kev tsim cov khoom tshiab. Qhov no yog ib qho tseem ceeb heev kom paub, vim hais tias yog tias muaj kua tsawg dhau lub sijhawm no, cov txheej txheem nws tus kheej yuav siv sijhawm ntev dua, thiab qhov kawg ntawm lub zog ntawm cov pob zeb yuav txo qis. Qee qhov xwm txheej, nws tuaj yeem txo qis lossis tawg.

Yog tias qhov ntsuas kub ntawm qhov ntsuas kub txaus, ces qhov av noo yuav tsum pib tsis pub dhau ob teev tom qab nchuav. Nyob rau hauv qhov kub thiab txias ib txwm muaj cov av noo txaus, qhov ntsuas no tuaj yeem nce mus txog 12 teev.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov ntawm no tias nws yog ib qho tsim nyog yuav tsum tau ywg dej cov pob zeb tsuas yog nrog lub tshuab txau, kom tsis txhob ua kom lub ntsej muag tsis muaj zog nrog lub dav hlau. Cov pob thiab cov npoo ntawm cov qauv yuav tsum tau ua tib zoo watered ntau dua li qhov chaw tiaj tus.