Puas yog cov khoom sib xyaw ua ke tsim nyog rau koj qhov project

Puas tau ua ntej tso pob zeb tsuas yog saib nws tawg lub lis piam tom qab? Tej zaum koj txoj kev tsav tsheb poob sib nrug tom qab ib lub caij ntuj no heev. Irritating txoj cai? Pob zeb zoo li nyuaj, tab sis feem ntau nws xav tau kev pab me ntsis. Qhov ntawd yog qhov uas cov khoom sib xyaw ua ke tuaj rau hauv. Xav txog lawv zoo li cov khoom tshwj xeeb pab txhawb rau koj cov pob zeb sib xyaw. Lawv tweak nws cov yeeb yam, ua kom muaj zog, yooj yim dua, los yog kev teeb tsa sai dua. Lo lus nug loj yog, are they truly required for your next piece, lub hauv paus, los yog kev taug kev? Cia peb tawg nws.

(Puas yog cov khoom sib xyaw ua ke tsim nyog rau koj qhov project)

1. Tsuas yog Dab Tsi Yog Cov Khoom Siv Uas Siv Tau? .

Yees duab ua ncuav mog qab zib. Cov hmoov nplej, qe, qab zib– cov no yog koj cov khoom xyaw tseem ceeb, zoo li cement, dej, thiab tsub zuj zuj hauv pob zeb. Ib qho tshuaj tov? Nws zoo li ntxiv vanilla essence lossis ci hmoov. Tsis yog qhov loj ntawm qhov sib tov, tseem nws transforms cov ntsiab lus. Admixtures yog kua los yog hmoov ntxiv nyob rau hauv blending. Lawv kho cov khoom ntawm cov khoom tshiab lossis solidified pob zeb. Koj tsis ntxiv lawv ntau dua li pob zeb lossis xuab zeb. You include them together with . Lawv lub luag haujlwm yog los txhim kho qhov kev ua tau zoo. Hom hom muaj xws li dej reducers (lawv ua kom cov dej ntws zoo dua yam tsis suav nrog cov dej ntxiv), air-entrainers (lawv tsim cov npuas me me rau khov-thaw tsis kam), accelerators (lawv ceev teem lub sij hawm), retarders (lawv txo lub sij hawm teem), thiab plasticizers (lawv txhim kho kev ua haujlwm). Lawv yog tus pab zais cia hauv koj lub cuab yeej cuab tam.

2. Vim Li Cas Koj Thiaj Yuav Tsum Tau Txais Kev Txiav Txim Rau Kev Siv Cov Khoom Siv Ua Kom Zoo? .

Yog li, vim thab? Koj tsis tuaj yeem siv cov pob zeb qub qub xwb? Nquag, yog. Txawm li cas los qee zaus, kev sib xyaw ua ke tsuas yog tsis txo nws. Daim duab muab ib lub patio sab nraum zoov rau ib hnub scorching lub caij ntuj sov. Lub pob zeb yuav khov sai heev, ua kom nws nyuaj ua kom tiav zoo. Ib tug retarder admixture kho qhov ntawd. Txhim kho txoj kev tsav tsheb hauv qhov chaw txias? Cov pob zeb ib txwm tuaj yeem tawg thaum dej hauv dej khov thiab nthuav dav. Ib qho cua-entraining admixture tsim microscopic cua hnab ris. Cov npuas no muab qhov chaw dej khov nce ntxiv, tiv thaiv kev puas tsuaj. Yuav tsum tau super-muaj zog pob zeb rau ib tug qauv? Cov dej reducers ua kom dej tsawg dua hauv kev sib tov. Tsawg dej qhia tias denser, muaj zog pob zeb. Admixtures kho cov teeb meem. Lawv txhim kho kev ua haujlwm kom yooj yim tso. Lawv txhawb nqa lub neej ntev tiv thaiv kev nyab xeeb, tshuaj, thiab siv. Lawv muab kev tswj xyuas lub sijhawm teem sijhawm– tseem ceeb heev rau qhov loj tso lossis kub / txias huab cua. Lawv kuj tuaj yeem txhim kho lub zog thaum ntxov, tso cai rau koj tshem tawm hom sai dua. Kev siv lawv tuaj yeem hais txog qhov sib txawv ntawm txoj haujlwm uas kav xyoo thiab ib qho uas tsis ua haujlwm sai dhau.

3. Raws nraim li cas Koj Siv Cov Khoom Siv Uas Siv Tau Zoo? .

Tau txais qhov zoo qhia tias siv lawv txoj cai. Nws tsis yog hais txog kev muab cov khoom pov tseg hauv arbitrarily. Qhov tseem ceeb. Admixtures feem ntau suav nrog ntawm cov pob zeb cog thaum lub sij hawm batching. Feem ntau, lawv tuaj yeem muab ntxiv rau ntawm qhov chaw ua haujlwm, tiam sis qhov no yuav tsum tau ceev faj tswj. Kev siv ntau npaum li cas yog qhov tseem ceeb. Peb ntsuas nws los ntawm qhov hnyav lossis ntim txheeb ze rau tus nqi ntawm cov cement hauv qhov sib tov. Tsis txaus, thiab nws tsis tuaj yeem ua haujlwm. Ntau dhau, thiab nws yuav ua rau muaj teeb meem xws li huab cua ntau dhau los lossis teeb tsa ceev. Ib txwm, tas li ua raws li tus neeg yuav khoom cov lus qhia. Qhov sib xyaw ua ke tsim– lub tais txhais cov pob zeb, xuab zeb, pob zeb, dej, thiab cov khoom sib xyaw– yuav tsum yog qhov tseeb. Batching yuav tsum muaj tseeb. Kev sib tov yuav tsum ua kom tiav kom paub tseeb tias cov khoom sib xyaw ua ke sib npaug thoob plaws hauv cov pob zeb. Xav txog nws zoo li tshuaj; txoj cai noj tshuaj pab, cov tshuaj tsis raug puas tsuaj. Kev sab laj nrog koj tus kws kho mob lossis tus kws tsim khoom sib xyaw yog qhov tseem ceeb. Lawv paub meej tias yuav ua li cas koom nrog cov khoom sib xyaw kom zoo rau koj cov kev xav tau tshwj xeeb thiab cov khoom lag luam hauv cheeb tsam.

4. Qhov twg yog qhov sib xyaw ua ke feem ntau siv? .

Koj yuav pom cov khoom sib xyaw ua haujlwm hauv yuav luag txhua txoj haujlwm niaj hnub no. Kev tsav tsheb thiab kev taug kev tau txais txiaj ntsig zoo heev los ntawm cov neeg ua haujlwm huab cua, tshwj xeeb tshaj yog nyob rau lub caij ntuj no ntsev thiab khov-thaw cycles muaj ntau. Cov skyscrapers feem ntau siv cov dej txo qis. Cov no tso cai rau cov pob zeb ua kom inflated ntau cov plag tsev thaum nyob twj ywm thiab muaj zog. Kho kom zoo nkauj pob zeb, zoo li qhov chaw stamped patio, cia siab rau cov khoom xyaw. Retarders muab sijhawm rau cov neeg ua haujlwm ntau dua los sau cov qauv. Cov dej reducers tsim ib tus du, ntom ntom zoo tshaj plaws rau discoloration. Choj decks txhawb nqa cov tsheb hnyav thiab de-icing ntsev. Lawv xav tau cov pob zeb ntev ntev ua nrog cov tshuaj tiv thaiv corrosion thiab cov cua nkag. Cov phiaj xwm xav tau ceev tig-ncig, zoo li cov khoom hauv pem teb, siv cov khoom sib xyaw ntxiv. Cov no ua kom lub zog nce ntxiv kom txoj haujlwm tuaj yeem txuas ntxiv sai dua. Kho mortars feem ntau suav nrog cov khoom siv rau kev teeb tsa ceev, kev sib raug zoo, thiab ntws. Feem ntau, yog tias txoj haujlwm xav tau kev ua haujlwm tshwj xeeb– sai dua, muaj zog dua, ntau ntev ntev, yooj yim rau qhov chaw– cov tshuaj sib xyaw ua ke feem ntau yuav koom nrog.

5. Qhob Admixtures: Hais rau koj cov lus nug .

(Puas yog cov khoom sib xyaw ua ke tsim nyog rau koj qhov project)

Cia peb daws qee cov lus nug nquag. Thaum xub thawj, ua admixtures ua pob zeb tsis muaj zog? Tsis muaj. Thaum siv qhov tsim nyog, Feem ntau ntawm cov khoom sib xyaw ua kom muaj zog los yog lub neej ntev. Cov dej reducers yeej ua rau nws muaj zog los ntawm kev txo cov khoom siv dej. Air-entrainers me ntsis txo toughness tab sis enormously nce khov-thaw kuj– kev lag luam zoo heev. Thib ob, puas yog lawv kim? Nqe sib txawv, Txawm li cas los xij feem ntau cov txiaj ntsig zoo dua tus nqi. Tiv thaiv kev txhim kho lossis tso cai rau lub tsev sai sai txuag nyiaj mus ntev. Peb, Kuv tuaj yeem ntxiv lawv tus kheej ntawm qhov chaw? Nws ua tau rau qee yam, zoo li kua retarders, tab sis nws nyuaj. Kev noj tshuaj thiab sib tov yog qhov tseem ceeb. Qhov zoo tshaj plaws tso siab rau cov kws tshaj lij lossis ntxiv rau ntawm cov nroj tsuag batch. 4th, lawv puas muaj kev nyab xeeb? Trusted admixtures yog tsim rau pob zeb thiab txoj hauj lwm tsis muaj teeb meem kev noj qab haus huv tseem ceeb thaum tswj kom tsim nyog. Tshawb xyuas Daim Ntawv Qhia Txog Kev Ruaj Ntseg tas li. Thib tsib, puas yog lawv ib txwm xav tau? Tsis yog rau txhua txoj haujlwm. A basic yard shed piece in mild weather condition might be fine without. Txawm li cas los, for anything requiring particular efficiency or encountering rough conditions, they are very advised. They are devices for developing far better, ntev-ntev pob zeb.
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