Cov txheej txheem:

Dab tsi ua rau kev teeb tsa ceev ceev?
Dab tsi ua rau kev teeb tsa ceev ceev?

Video: Dab tsi ua rau kev teeb tsa ceev ceev?

Video: Dab tsi ua rau kev teeb tsa ceev ceev?
Video: dab hais hmoob - 0818 - Tsis yog luag tub luag tsis hlub 2024, Kaum ib hlis
Anonim

Fast Setting Concrete Mix yog kev npaj ua ntej ceev - kev teeb tsa sib tov ntawm cov khoom tshwj xeeb cementitious, xuab zeb, thiab coarse aggregate, rau tej yaam num uas a ceev ceev yuav tsum tau tso cai rau tib hnub siv. Nws tuaj yeem siv rau kev teeb tsa posts thiab ncej tsis sib tov los yog bracing, ntxiv rau ua hauj lwm zoo li a pob zeb qhov muab tub lim.

Ntawm no, puas tau teeb tsa pob zeb nrawm?

Ib qho yooj yim Mix Teeb ceev Siab zog Pob zeb yog mus txog 60% muaj zog dua tshaj qhov compressive zog ntawm tus qauv 20MPa pob zeb . Nws yog kev sib xyaw ntawm Portland cement , gravel, graded coarse xuab zeb, nplua aggregates thiab ob accelerating compounds.

Ib sab saum toj no, kuv tau ntxiv dej ntau npaum li cas los ua cov pob zeb nrawm? Ncuav sib tov qhuav rau hauv lub qhov kom txog thaum nws yog kwv yees li 3 "- 4" (76 - 102 mm) los ntawm sab saum toj. 3. Ncuav dej nyob rau hauv qhuav mix kom txog thaum cov hmoov yog saturated nrog dej . Nyob ntawm cov av, qhov no yuav xav tau txog 1 nkas loos (3.8 L) ntawm dej rau 50 lb (22.7 kg) hnab.

Kuj nug tias, dab tsi nres pob zeb ntawm kev teeb tsa?

Qab zib ua raws li Retarder:

  1. Qab zib yog siv los ua ib qho retarder rau kev sib xyaw ua ke.
  2. Retarders ncua lub sij hawm pib ntawm cov pob zeb.
  3. Lawv feem ntau yog siv nyob rau hauv cov huab cua kub los tiv thaiv lub hardening ceev vim yog kub.

Thaum twg kuv yuav tsum pib ywg dej kuv cov pob zeb?

Txau Dej ntawm Tshiab Pob zeb kho thaum lub sij hawm tus lub caij ntuj sov, tus sab nraud kub tau ua kub. Los ntawm kev khaws cia tus nto ntub, koj khaws cov qhob kub qis. Nco ntsoov pib ywg dej ua vaj tse hauv tus sawv ntxov thiab khaws cia dej thoob plaws tus hottest ib feem ntawm tus hnub.

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