Thaum twg Yuav Siv Pob Zeb Accelerator?
Jun 28, 2024
Taw qhia: Concrete accelerators yog cov tshuaj additives uas feem ntau siv los ua kom qhov kev teeb tsa thiab cov txheej txheem hardening ntawm pob zeb. Lawv lub luag haujlwm tseem ceeb yog kom luv lub sijhawm pib thiab zaum kawg ntawm kev ua vaj tse, yog li ua kom lub sijhawm tsim kho sai. Tsab ntawv xov xwm no yuav tshawb nrhiav kom meej txog lub sijhawm tsim nyog rau kev siv cov pob zeb accelerators, lawv cov kev siv tshwj xeeb, thiab lawv cov teebmeem hauv ntau qhov chaw tsim kho.
Mechanism ntawm pob zeb Accelerators
Cov pob zeb accelerators ua hauj lwm los ntawm kev ua kom cov hydration cov tshuaj tiv thaiv ntawm cov cement, yog li shortening qhov chaw thiab hardening lub sij hawm ntawm pob zeb. Cov nyhuv acceleration no pab tswj kev txhim kho lub zog ntawm cov pob zeb hauv qhov chaw uas tsis muaj qhov kub thiab txias thiab tiv thaiv kom ntxov ntxov hardening nyob rau hauv high humidity tej yam kev mob. Feem ntau cov pob zeb accelerators suav nrog calcium chloride, aluminium sulfate, thiab titanates.
Sijhawm rau Kev Siv Cov Khoom Siv Ua Kom Zoo
1. Kev tsim kho qhov kub thiab txias
Nyob rau hauv ib puag ncig uas tsis muaj qhov kub thiab txias, cov tshuaj tiv thaiv hydration ntawm cov cement qeeb qeeb, ua kom qhov kev teeb tsa thiab lub sij hawm hardening ntawm pob zeb. Txhawm rau ua kom lub sijhawm txhim kho ntawm cov pob zeb ua kom muaj zog thiab tswj cov sijhawm tsim kho, kev siv cov pob zeb accelerators yog ib qho kev daws teeb meem zoo. Piv txwv li, thaum lub caij ntuj no kev tsim kho, accelerators tuaj yeem xyuas kom meej tias cov pob zeb ncav cuag qhov tsim nyog lub zog nyob rau hauv lub sij hawm teev, tsis txhob ncua los ntawm qhov kub thiab txias.
Cov ntaub ntawv txhawb nqa
Cov kev tshawb fawb qhia tau hais tias thaum lub ambient kub poob qis dua 5 degree, lub sij hawm pib ntawm cov pob zeb tsis tu ncua tuaj yeem txuas mus rau ob peb teev lossis ntev dua. Txawm li cas los xij, nrog kev siv cov pob zeb accelerators, lub sijhawm pib pib tuaj yeem raug txo mus rau 1-2 teev, txhim kho kev tsim kho zoo heev.
2. Kev kho sai sai
Rau cov haujlwm uas yuav tsum tau kho sai, xws li kev saib xyuas txoj kev thiab kev kho lub tshav dav hlau, kev siv cov pob zeb accelerator tuaj yeem txo lub sijhawm tsim kho. Piv txwv li, thaum lub sij hawm kho ntawm txoj kev tsis khoom, accelerators tso cai rau cov pob zeb yuav tsum tau poured thiab hardened nyob rau hauv lub shortest tau lub sij hawm, txo cov tsheb congestion thiab inconveniences.
Cov ntaub ntawv txhawb nqa
Kev tshawb fawb qhia tau hais tias nyob rau hauv kev kho thaum muaj xwm ceev ntawm txoj kev loj, siv cov pob zeb accelerators yuav txo tau lub sij hawm tsim kho los ntawm ib txwm 8-10 teev mus rau 3-4 teev, txo cov tsheb thauj mus los cuam tshuam.
3. Cov av noo ib puag ncig
Nyob rau hauv ib puag ncig high-humidity, lub sijhawm teem ntawm pob zeb yuav cuam tshuam, ua rau kev tsim kho qeeb. Kev siv cov pob zeb accelerators tuaj yeem kov yeej qhov teeb meem no tau zoo, ua kom cov pob zeb tsim thiab tawv sai sai hauv cov av noo siab, yog li tswj cov sijhawm tsim kho.
Pob zeb Accelerators nyob rau hauv daim ntawv thov teb
1. Precast Component Production
Hauv kev tsim cov khoom siv precast, accelerators tuaj yeem ua kom lub sijhawm demolding, txhim kho kev tsim khoom. Qhov no tuaj yeem ua rau luv luv lub voj voog ntau lawm thiab ua kom lub Hoobkas muaj peev xwm ntau lawm.
2. Kev tsim kho pob zeb hauv qab dej
Thaum lub sij hawm tsim kho underwater, qhov chaw thiab lub sij hawm hardening ntawm cov pob zeb yog ncua vim dej ib puag ncig. Siv cov accelerators tuaj yeem ua kom cov txheej txheem no ua kom sai, ua kom muaj kev vam meej hauv kev tsim kho hauv qab dej.
3. Kev cawm thaum muaj xwm txheej ceev thiab rov tsim kho dua tshiab
Hauv kev cawm thaum muaj xwm txheej ceev thiab kev txhim kho tom qab kev puas tsuaj, lub sijhawm yog qhov tseem ceeb. Accelerators tuaj yeem ua kom lub zog ntawm cov pob zeb, sai sai tsim cov qauv ib ntus lossis mus tas li los txhawb kev cawm thiab kev tsim kho dua tshiab.