Imboni ephansi ichitha cishe ama-US $ 2.4 billion minyaka yonke ukulungisa ukwehluleka okuhlobene nomswakama. Noma kunjalo, amakhambi amaningi angabhekana nezimpawu zokwehluleka okuhlobene nomswakama, hhayi imbangela.
Imbangela enkulu yokwehluleka phansi umswakama ovela kukhonkolo. Yize imboni yezokwakha ibone umswakama wangaphandle njengembangela yokwehluleka phansi, empeleni kuwuphawu lwenkinga ejulile. Ngokubhekana nalesi sibonakaliso ngaphandle kokubhekana nembangela yezimpande, ababambiqhaza babhekana nengozi yokuqhubeka kwehluleka phansi. Eminyakeni engamashumi amabili edlule, imboni yezokwakha yenze imizamo eminingi yokuxazulula le nkinga, kodwa ngempumelelo encane. Isendini yamanje yokulungisa yokumboza i-slab ene-adhesive ekhethekile noma i-resin e-epoxy ixazulula kuphela inkinga yomswakama futhi indiva imbangela yempande yokuvunyelwa kokhonkolo.
Ukuze uqonde lo mqondo kahle, kufanele uqonde kuqala isayensi eyisisekelo ye-concrete uqobo. Ukhonkolo kuyinhlanganisela enamandla yezakhi ezihlanganisa ukwakha i-catalytic compaly. Lokhu kungukusabela kwamakhemikhali wendlela eyodwa eqala lapho amanzi efakwa kwizithako ezomile. Ukusabela kuhamba kancane kancane futhi kungashintshwa ngamathonya angaphandle (njengezimo zomkhathi kanye namasu wokuqeda) nganoma yisiphi isikhathi kwinqubo yokusabela. Ushintsho ngalunye lungaba nomthelela ongemuhle, ongathathi hlangothi noma omuhle ekufezeni. Ukuze uvikele lezi zimo ukuthi zingasebenzi, ukusabela kwamakhemikhali wendlela eyodwa yokuphelelwa kokhonkolo kufanele kulawulwe. Imikhiqizo engalawula lokhu kusabela kwamakhemikhali, yenza kahle ukubhekelwa kokhonkolo, futhi isuse ukugoqa phansi kanye nokuqhekeka okuhlobene nokwelapha.
Ngokusekelwe kulokhu okutholakele, i-masterspec kanye ne-BSD Speclink kudale ukuhlukaniswa okusha engxenyeni 3, kukhonjwe njengokuphulukisa kanye ne-sealant, ukunciphisa ukuphuma komswakama, kanye nokungena komswakama. Lokhu kuhlukaniswa okusha kwe-Division 3 kungatholakala eMasterspec Isigaba 2.7 kanye ne-Online BSD Speclink. Ukuze ufanelekele lesi sigaba, imikhiqizo kufanele ihlolwe yilebhu ye-Ofter-Party Independent Labory ngokuya ngezindlela zokuhlola ze-ASTM C39. Lesi sigaba akufanele sidideke nanoma yimuphi umswakama owakha umswakama wokunciphisa umswakama, owethula imigqa eyengeziwe yokubopha futhi ayihlangabezani namazinga okusebenza aphezulu wehlukaniso lokuzijabulisa.
Imikhiqizo engesigaba esisha ayilandeli inqubo yokulungiswa kwendabuko. . Imvume encishisiwe iphazamisa indlela evumela umswakama, umswakama, kanye ne-alkalinity ezohanjiswa ngaphezulu kwesendlalelo se-slab noma isibopho. Ngokumane uqede ukwehluleka phansi ngokuphelele, kungakhathalekile ukuthi uluhlobo lwesitezi noma ukunamathela, lokhu kuqeda izindleko eziphakeme zokulungiswa okuhlobene nomswakama ngenxa yokwehluleka phansi.
Umkhiqizo owodwa kulesi sigaba esisha yi-VC-5 ye-SINC-5, elawula ukuvumela futhi aqede ukwehluleka phansi okubangelwa umswakama, umswakama, kanye ne-alkality ekhishwe ngokhonkolo. I-VC-5 ihlinzeka ngokuvikelwa okungapheli ngosuku lokubekwa kokhonkolo, ukuqeda izindleko zokulungisa, nokubuyisela esikhundleni sokuphulukisa, ukubekwa uphawu, kanye nezinhlelo zokulawula umswakama. Ngaphansi kwe-1 USD / M². Uma kuqhathaniswa nezindleko zokulungiswa kwendabuko, FT VC-5 kungagcina ngaphezu kwama-78% wezindleko. Ngokuxhumanisa izabelomali zokuhlukanisa 3 nokwehlukanisa 9, uhlelo lususa izibopho ngokwenza ngcono ukuxhumana kwephrojekthi kanye nokuhlelwa okusebenzayo. Kuze kube manje, i-Siak ukuphela kwenkampani eye yathuthukisa ubuchwepheshe obudlula amazinga aphezulu kakhulu kulezi zimboni kulo mkhakha.
Ukuthola eminye imininingwane yokuthi ungazivikela kanjani izinkinga zomswakama we-slab futhi ususe amaphutha amaningi, sicela uvakashele ku-www.sinak.com.
Okuqukethwe okuxhasiwe kuyingxenye ekhethekile ekhokhelwa lapho izinkampani zezimboni zihlinzeka ngokuqukethwe okuphezulu kwekhwalithi, inhloso engeyona eyezentengiso ngezihloko ezithakazelisa izithameli zokwakha amarekhodi. Konke okuqukethwe okuxhasiwe kuhlinzekwa yizinkampani zokukhangisa. Unentshisekelo yokubamba iqhaza esigabeni sethu sokuqukethwe esixhasiwe? Sicela uxhumane nommeleli wakho wendawo.
Amakhredithi: 1 AIA LU / HSS; 1 AIBD P-CE; I-0.1 IACET CEU Ungathola isikhathi sokutadisha ngokusebenzisa izinhlangano zezakhiwo zaseCanada
Le khosi ifunda amasistimu emnyango wengilazi engavikeleki umlilo nokuthi angazivikela kanjani ezindaweni zokuphuma ngenkathi esekela izinhlobo ezahlukahlukene zokuklama.
Amakhredithi: 1 AIA LU / HSS; 1 AIBD P-CE; I-0.1 IACET CEU Ungathola isikhathi sokutadisha ngokusebenzisa izinhlangano zezakhiwo zaseCanada
Uzofunda ukuthi ukukhanyisela nokukhanya komoya komoya kusebenzisa kanjani izinzuzo zezindonga zengilazi ezisebenzayo ngezindonga ezilungisiwe ukukhuthaza ukufunda okunempilo nokusebenza ngempumelelo.
Isikhathi sePosi: Sep-04-2021