Choyamba, kusankha pampu yobweretsera mu siteshoni yosakaniza phula kuyenera kukwaniritsa zofunikira za nthawi yochuluka ya asphalt kutsanulira pa nthawi ya unit panthawi yomanga, kutalika kwapamwamba, ndi mtunda waukulu wopingasa. Panthawi imodzimodziyo, payenera kukhala nkhokwe zina za luso ndi kupanga, ndipo mphamvu zopangira bwino zimakhala 1.2 mpaka 1.5.

Kachiwiri, machitidwe awiri akuluakulu a siteshoni yosakaniza phula, kayendedwe ndi ma hydraulics, ayenera kukhala abwinobwino, ndipo sipayenera kukhala phokoso lachilendo ndi kugwedezeka kuti tipewe magulu akuluakulu ndi zotupa mkati mwa zipangizo, mwinamwake ndizosavuta kukakamira pa chakudya. doko la malo osakaniza kapena kutsekedwa chifukwa cha arching. Mfundo ina ndi yakuti pamene malo osakaniza a asphalt ali pamalo omwewo, sikoyenera kugwiritsa ntchito mapampu ndi mapampu ambiri kuchokera kwa opanga angapo kuti asasokoneze ntchito yake yachibadwa.