Izinqinamba Zokulula Kwesimeni Esiphakeme - Ukufakwa KwekoniKrete Kuphambene Nokuphepha Kwesayithi

Zonke Izigaba

umshado we-cement

Isisekelo samntu se-simente sibonakala njengendlela yokwenza izixhobo eziphuculweyo ezinenzululwazi ukukhusela ubuchwepheshe bokunqula kumapolo, amafomu, nezihlalo zokubungca xa kunqulwa nokuhlaka. Le ngxenelo esibalulekileyo yokubungca isebenza njengesiseko esikhuphisayo esinceda ekunquleni okunquliwe kukho lokunqula ngaphandle kokwenza imfazwe yezihlalo noma ukuthwalwa kwesithwebula. Umsebenzi wokuqala wesisekelo samntu se-simente ungumsebenzi wokwenza igunya elincinci, elilinganiselwe phakathi kwegunya lekonkrethi nesihlalo sokuxhasana, okuhlawula ngokusondeleyo ukuqhutywa okungcono. Izixhobo zamanje zesisiseko samntu se-simente zibandakanya iintambo ezinezizathu ezinzulu kunye neemeko zokulunga ezingcono ezinika iinkcukacha eziphambene ngezixhobo zokunqula kunye nokusebenza ngokulinganayo ngenxa yezinto ezahlukene zokunqula. Iinkcukacha zokwenza iziseko zesisiseko samntu se-simente ziphawula ukudluliswa kwezobomi, ukufinyelela ngokushesha kwiisihlalo, nokwahluka kakhulu ngemoto ethile. Le ziseko zibonisa ubume obugcwele kuzinto zonke i-pH eziphambene apho kuphela kusetyenziswa konkrethi, ukunceda ukusebenza ngokulinganayo ngaphandle kohlo lwesimente noma kunjalo kube khona izinto ezongeziweyo. Isiseko sisisiseko sizakwe ngokuvamile izinto ezinokuhlwa emoyeni engavuni intshabalalo yooya kodwa kuyakunika inkcukacha enkulu. Iindlela zokusetshenziswa zesiseko samntu se-simente ziphakanyiswa kumgangatho wonke wezibungca, kubandakanya ukwenza konkrethi oya kuba ngaphambili, ukwenza konkrethi we-architecture, ukuphatha kwezinfrastruxhura, nokwenza izinto ezikhethiweyo. Kwiindawo zokwenza konkrethi oya kuba ngaphambili, isiseko samntu se-simente siphinda ukwenza kakhulu ngokunqula ngokulula kwaye ukunceda ukunciphisa iingxaki zezihlalo ezingasayi kuyicoca ingcamla. Ummandla wokubungca usebenzisa kakhulu isiseko samntu se-simente ukwenza iimeko ezikhethiweyo ze-architecture, iiplenyi zokulunga, nezinto zokubungca ezidinga izihlalo eziphambene. Ukubungca kwebhridge, ukubeka i-tunnel, neziseko zobomi bomlilo bezibungca bezisebenzisa isiseko samntu se-simente ukunceda ukunqula ngokulula kwaye ukunceda ukuphila kwesiprojekthi. Ngaphezu koko, isiseko samntu se-simente sisetshenziswa kakhulu kubungca bekhaya ukusebenza kweziseko, iindonga ezibophephayo, nezinto zokubungca eziphilayo apho ubume bezihlalo buquka ngqo ubume beestile kwaye ubume obugcwele buhlala busondeleyo.

Izincomo Zomkhiqizo Omusha

INDABA YOKUBUKA

Amancazelo Akuhambisana ngePU Ifofomu Lokungapheli Emncwanyisiwe

INDABA YOKUBUKA

Amaphumeleli Amaplasethiki Okulingezwe Ngokulandelwa

INDABA YOKUBUKA

Amaphutha wokulayisha kwezinhlobo ezincinci zokugcina amacompound

INDABA YOKUBUKA

Amaphastyizi Aphuziweyo

Isivumelwano se-cement sabelana ngezindleko ezinkulu ngokuthi kususa izikhathi zomsebenzi efunekayo ekusunguleni amafomu kanye nokulungisa izinhlangothi. Amaphondo wokudala ayifumana ixesha elide ekugcwaliseni iphrojekthi xa isebenzisa isivumelwano esihle se-cement, ngoba amafomu asungulwa ngokucacileyo akudingi ukusebenzisa umfaniso omkhulu okunoma zixhobo ezithile zokusungula. Lokhu kususa ngqo izindleko zomsebenzi kanye nokunciphisa izindleko zophando lweprojekthi. Okukhuselekayo kusivumelwano se-cement kuchazela ubude bokusebenza kwamafomu amahle kanye namaduli, akhathazeka ukuthi kuqhutshwa yizinto ze-concrete ezingadinga izindleko ezikade noma ukubuyiselwa ngaphambi kokuba kube yisikhathi. Izinhlelo zokwenza isivumelwano se-cement esihle zidala izinhlangothi ezizimeleyo, ezihle kangangokuba azidingeki ukulungisa kakhulu, ukugaya, noma ukulungisa okongeziwe okongeza ixesha nezindleko kumaphrojekthi wokudala. Ukunciphisa kwezinto ezilahlekayo nokulungiswa kabusha okuhluka kakhulu xa i-concrete ihlaba kumafomu. Indlela yokusungula iyaphucula ngisivumelwano se-cement isusa ukugcinwa kwezigidimi kwi-concrete kanye nomfaniso wokudala, kuchazela ubume bomabili. Amaphondo wokudala ayithembela ekuphuculeni kwezimali xa isivumelwano se-cement sivumela ukusungulwa kwegazi, ngoba abasebenzi bahlanjela izimo ezimbi eziphatha ukususa amafomu ahlinzekileyo noma ukusebenzisa izixhobo ezingalindelekileyo ekwahlukaneni i-concrete. Kunezimanje ezikhethekileyo ezifumaneka ukuthi kususwa ukwakha kwezinkomo ekusunguleni kanye nokunciphisa kwe-concrete ehlaselwe. Izinhlelo zokwenza isivumelwano se-cement zamanje achaza izimo ezihloniphekayo yokudala ngokuthi zisebenzisa izinto ezibuyiselwa kanye nezinto ezingenazo iziqhamo ezincane ze-organic. Ubunzima bezivumelwano se-cement kuvumela abagcini ukusebenzisa le nto evela kuzo zonke izinhlobo zeprojekthi, kuchazela ukuhleleka kwebhodhi kanye nokunciphisa kwebhodhi. Imiphumela etholakeleyo ngesivumelwano se-cement ibenza kube lula ukuplanisha kanye nokulungiselela ixesha, ngoba abagcini bangakholwa ukuthi basuke ngexesha futhi bazame izinhlangothi. Iziphumo ezinhle ziyaphakama kuzo zonke izindleko eziyandayo kufika ekunyanzelweni kwekhasimende ngokuthenga kwezinye i-concrete kanye nokunciphisa kwezilingo. Isivumelwano esihle se-cement sinesiza abagcini ukuthi bahlale baneligunya ngokuthi sabelana nempilo, emnandi, enobubi obuhle obunikwa inkathi kanye nokuthuthukisa umbuso wabo womphakathi.

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Ummeleli wethu uzokuthinta masisha.

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umshado we-cement

umsho wokubuyekeza

umshado wokufomu leconcrete

amathotho amabomvu weziciko

umshado we-pva

umshado we-cement

umcweba wokulanda amadabu

Ubunzima Obungcono Kweyisebe Nokuphulwa Kokuqukethwa

Ukuchithwa kwe-teknoloji yomthwalo wocingo kusinika iziphumo ezihle kakhulu zeholide esisodwa ngokuphindaphindwa okuphakade kakhulu kwebhuluki yesimilo nesibonakaliso sangaphandle. Ukuhlaka kwangcono kwenza umvandlazulo othuli ukuthi kungcwalise ibhuluki ukuthi kuhlukane nezandla zezimilo, njalo kunye nokwenza izahluko eziphaphazelayo ezidinga inkohlakala yokugcina emva kokucanda. Lokhu kumele kumelwe kuhlanganiswe kahle isakhiwo semiyeli yezinhlelo zocingo zezinhlelo zocingo ezintsha, ezifakela ubunyansi obubiliweyo obufakelana nenqubo yokudluliswa kwebhuluki entsha engenazo maphuzu noma izilinganiso ezahlukene. Abasebenzi basekophini bafuna izahluko ezihle ngokuphindaphinda uma bekusebenzisa umthwalo wocingo ngokwemithetho yesikhwama, baza kunciphisa izinkinga ezihlelekileyo zeholide njengezinkomba, izimbo, nezingcinga zokudluliswa ezidonsayo izinhlelo ezingavumelekile noma ezenziwe ngendlela engavumelekileyo. Izincongo zeholide zingaphezu kokuba zibe yimali kuphela kodwa zinezizathu ezihle zokuphelisa, ngoba izihlangothi ezizenzakalelayo zibophepha ukungena kwamanzi, ukudonsa kukaFrost-Thaw, nokudonsa kwegesi kahle kunazo eziningi noma ezidonsile. Umthwalo wocingo unakekela ukukhiqizwa kwezinto zekhono zebhuluki nezigaba ezininzi nezihlelekileyo ezibuyiselana nezindlela ezihlukileyo kanye nezilimi ezihlelekileyo ngokuphathwa kwe-casting nasekuhlengaleni. Izici zokuvikelwa zomthwalo wocingo ongcono zivikela ukuthi kungcwalise amanzi noma kungcolotshelwe okungaba khona kuzihlangothi zebhuluki ezingabonakali kakhulu. Ngaphezu kwalokho, ukulinganiswa kweholide okufanelekileyo ekusebenziseni umthwalo wocingo kunciphisa udingo lokusebenzisa izicelo ezinehlabathi, i-coatings, noma ukulungisa okungaba khona kuzindleko ezinkulu kanye negatimba eziyinzima kumprojekthi wokukhula, futhi kungaba khona kuzizathu ezidlulele izikhathi.

Ukuzimiswa Kwezimali Zokusebenza Nezindleko Zesikhathi

Isimnyenyana se-cement sibheka kakhulu ubungozi bokusebenza ngokukhula ukuthi kususwe izimu ngendlela efanelekileyo, lokhu kubeka izikhathi zomshado nezimali eziphathekayo kuwo wonke amandla ekwakha ikonkret. Ubungozi obukhona kusuku olulandelayo emva kokufaka ikonkret, njengoba isimnyenyana esifakiwe ngempela singasiza ukuthi kuthuliwe ukungaceli nokuzimisela okutholakala xa kususwa izimu ezinzima, okunakwenzela ukugcina kwesikhathi esibalulekile. Amathimba okwakha ayithola inkimbinkimbi yezikhathi lapho isimnyenyana se-cement sinezimu zisuswa ngokucophelela nokushisa, sivumela izikhathi ezinkulokhu kumsebenzi wokwakha izimu futhi kususwe isikhathi esidinga kumashine okususa izimu. Imaneko yokusebenza ye-simnyenyana se-cement ibuyela kuwo wonke umsebenzi wokwakha, ukusuka ekulungiseni izimu kuze kube kugcineni isimo sesayensi, ihlanganisa izikhathi ezitholakeleyo ezibhekene kakhulu nesilingo nesikhathi sokugcina umshado. Izinhlelo ezintsha ze-simnyenyana se-cement zidinga isikhathi esincane sokufakwa kodwa zinikeza izikhathi ezide zokusebenza ezingavamile izikhathi ezahlukene zokufaka ikonkret ngaphandle kokuthatha isizathu sokusebenza kwesimnyenyana. Ubungozi obunikayo bukuhlelwa ngokuhle kumthwalo, njengoba amagunya okwakha angazama izikhathi eziningi zokwakha ngaphakathi kwezikhathi zomsebenzi futhi abuyele amashine emuva ngokushesha kuzinye izindawo zomshado. Isimnyenyana se-cement esihle singaqondiswa ukuthi kudingeka kusebenzise izixhumanisi nezindlela ezithile zokususa izimu, sivumela izixhumanisi nezindlela zokwakha eziphathelene ngempela ukuthole imiphumo embalwa. Ukusebenza okuphathelene kwe-simnyenyana se-cement kuvumela ukuplanisha nokuhlola izikhathi ngokucophelela, njengoba abasebenzisi bangabala ngempela izikhathi zokususa izimu futhi bazame amandla okwakha andwendwile ngendlela efanelekileyo. Ubungozi obukhona bubandakanya futhi ukuthishiwe kwezinto ngokungahlinzeki kwezimu futhi kuhlele kakhulu ubume bomsebenzi. Izinkampani zokwakha zithola impilo yezimali lapho isimnyenyana se-cement sihamba kakhulu umshado futhi sivumela ukufinyelela ngokushesha kwezimali zomkhuba nabezindlela zokugcina umshado.

Ukuphatha kakhulu Ngenkfo Eshaya Inhliziyo Lokuqala

Isimali sokukhupha isimente sibonakala njengokuthengisa okunzima kakhulu okunikela ubungako obukhulu emuva ngokuchatha izindlela eziningi zokunciphisa imali nokuzenhlela kwisebe lekonkwe ngecala konke lwemfundo yokudala. Ukuqala kokuthenga isimali esikhethekileyo sokukhupha isimente kunika imbuzi ngokushesha ngokunciphisa imali yasebenzi, ngoba imisebenzi yokukhupha ihlanganisa izikhathi ezingaphezu kwezinsuku zasebenzi xa izimpendulo ihlolwa ngaphandle kokusebenzisa izixhumanisi noma izixhobo ezithile. Ubuncane bokuthengiswa buhambisana nezimpandela zamathambo nemipendulo, ngoba isimali sokukhupha isimente sivikela ukuxhulwa okuhlobene nokulahlwa okudinga ukuhlaziywa okunzima noma ukubuyiselwa ngaphambilini kwezimpandela ezinezindleko eziphakeme ezidala umthombo omkhulu wemali yezenzo. Ubungako obude bevela kuqala kusenza kube nzima ukugcina ikonkwe lokulahlwa, amanzi amancane ekuqasheni, nokunciphisa ukudinga kwemisebenzi yokulungisa eyengeza imali eninzi kumgodi wophando. Izigaba zesisimali esikhethekileyo sokukhupha isimente zinika ukufinyelela okuhle nokuziphatha okuhambisanayo okungenza isilinganiso somthelela ngamayini, uhlobo lomlando ngalinye likhuphe isilinganiso semali. Isilinganiso semali singekelwa kumindleko engaphezu, njengoko abasebenzi bezifundelo bezidala kabanzi ngexesha elincinci ethintela iqonga elihle lokusebenza okuthintela ukuthetha okuhle ekhishini. Imali ivuthwa ngokunciphisa ukulahlekwa kwizixhobo nokulunga kwemali xa isimali sokukhupha isimente sivikela ukuthi kungekho ukusebenzisa izindlela eziphambene zokukhupha ezineza ukucindezela izimpandela nezinto zikonkwe. Izibango ezide zakhiwo ziquka ukuthuthuka okuphucile kophando, ukunciphisa i-claims yesihluku ukususwa kwiingcinga zeqanga noma ukuphindwa kwemfundo, nokuthuthuka kwabantu abathengayo okunikela amathuba okuthenga kabusha. Amakhampuwe akonkwe anjola amayeza aphantsi xa isimali sokukhupha isimente sibangela ukuphila kwezifundo nokunciphisa ingcinga yokuthi kungekho nxiba olunzima noma ukuphindwa kwemisebenzi. Okuthengiswa kosisimali esikhethekileyo sokukhupha isimente sithuthukisa imisebenzi eyenzakalelayo ngokunciphisa ukusetshenziswa kwezinto, ukunciphisa impact enyamenye, nokuzenhlela kwisebe lokusebenza okungenza ukuthuthuka kwisebe lonke lokusebenza kanye nokuthuthuka ekhishini ekonkweni.