Cold Weather
Pasi pemamiriro ekunze anotonhora, kusimbiswa kunoiswa pakudzivirira zera rekutanga kutonhora uye kutonga ambient tembiricha panguva yekurapa kukurudzira kukura kwesimba.Kugadzirisa tembiricha yepasi slab panguva yekuiswa uye kurapa kweiyo topping slab inogona kunge iri iyo yakanyanya kunetsa chinhu chine chekuita nekutonhora kwemamiriro ekunze.
Iyo base slab inogona kunge iine huwandu hukuru kupfuura iyo topping slab.Nekuda kweizvozvo, tembiricha ye base slab ichave nemhedzisiro yakakosha pakuiswa kwe topping slab.Topping slabs haifanirwe kuiswa pane yakaomeswa base slab sezvo tembiricha ye base slab inokwevera kupisa kubva kune nyowani topping mix.

Mumamiriro okunze anotonhora heater inofefetera inofanirwa kunge iri kunze kwechivako panguva yekuiswa kwetopping.
Maindasitiri ekurudziro ndeokuti base slab inofanirwa kuchengetedzwa patembiricha inosvika 40 F panguva yekuiswa uye kurapwa kweiyo topping kukurudzira hydration, kusimudzira simba, uye kudzivirira zera rekutanga kutonhora.Inotonhorera base slabs inogona kudzoreredza seti yemusanganiswa wepamusoro, kuwedzera nguva yekubuda ropa uye kupedza mabasa.Izvi zvinogona zvakare kuita kuti kukwirisa kuve nyore kune dzimwe nyaya dzekupedzisa dzakadai sepurasitiki shrinkage uye kuputika kwepasi.Pese pazvinogoneka, tinokurudzira kudziyisa base slab kudzivirira kutonhora uye kupa zvinogamuchirika kurapa mamiriro.
Kutonhora kwemamiriro ekunze topping musanganiswa anogona kugadzirwa kubatsira kudzikamisa mhedzisiro ye ambient uye base slab tembiricha panguva yekuisa.Tsiva zvinononoka kuita zvekuwedzera simende zvinhu zvine simende yakatwasuka, shandisa Type III simende, uye shandisa inomhanyisa admixtures (funga kuwedzera dosage sezvo kuiswa kunofambira kuchengetedza nguva yekuseta).
Kugadzirisa hunyoro hwaro hwakagadzirirwa usati waiswa kunogona kuve kwakaoma mukutonhora kwemamiriro ekunze.Pre-wetting the base slab haikurudzirwe kana kutonhora kuchitarisirwa.Zvizhinji zvekushongedza, zvisinei, zvinovakwa pane aripo slabs apo chivakwa chinovakwa uye chakavharwa.Naizvozvo, kuwedzera kupisa kunzvimbo ichaiswa topping kunowanzova kushoma pane iri panguva yekutanga kuvakwa kweiyo superstructure uye base slab.
Sezvakaita pre-wetting ye base, kunyorova kurapa kunofanirwa kudzivirirwa kana kutonhora kuchitarisirwa.Nekudaro, matete akasungirirwa toppings anonyanya kunetseka nekuoma kwekutanga uku simba rebhondi richikura.Kana iyo yakasungirirwa topping ikaoma uye ichiderera isati yagadzira yakakwana yesimba rechisungo kusvika pachigadziko, shear masimba anogona kukonzera kuti topping iderere kubva pachigadziko.Kamwe delamination yaitika pazera rediki, iyo topping haizogadzirise chisungo kune substrate.Nokudaro, kudzivirira kuomeswa kwepakutanga chinhu chinokosha pakuvakwa kwezviputi zvakasungwa.