Muab nws yooj yim: koj muab tag nrho rau ntawm - qhov chaw mess - formwork, rebar tying, qhob pouring - thiab txav mus rau lub Hoobkas. Phab ntsa, slabs, ntaiv, balconies, txawm beams thiab kab - cam khwb cia thiab kho nyob rau hauv lub Hoobkas, ces xa mus rau qhov chaw thiab pieced ua ke zoo li lub tsev blocks.
Tab sis qhov "tsev blocks" tau ua rau ntau tus neeg. Koj xav tias nws zoo li Lego? Snap ua ke thiab ua tiav? Tsis txawm nyob ze. Ib lub vaj huam sib luag precast - lub teeb ob lossis peb tons, hnyav xya lossis yim tons. Kev sib npaug thaum lub sij hawm nqa, grout puv, lub tes tsho sib txuas raug - ib qho ntawm cov no mus tsis ncaj ncees lawm, tus nqi rov ua haujlwm yuav ua rau tus thawj tswj haujlwm quaj.
Yuav ua li cas kev lag luam roughly pawg lawv:
Hollow -cov tub ntxhais slabs / composite slabs - feem ntau. Ib nrab precast, ib nrab cam khwb cia-hauv-situ. Ib txheej nyias precast hauv qab ua raws li kev ua haujlwm ntxiv rau hauv qab qhov cuab lub zog, ces ncuav lwm txheej rau saum.
Precast stairs - zoo nkauj npaum li cas tam sim no. Qhib cov pwm ib zaug, batch khoom, nqa mus rau qhov chaw ntawm qhov chaw. Tsis muaj formwork, tsis muaj stripping.
Precast phab ntsa panels (sandwich hom nrog rwb thaiv tsev) - cov nplooj ntawv txheej + rwb thaiv tsev + sab hauv nplooj, tag nrho hauv ib qho mus. Tsis tas yuav tsum tau cais cov rwb thaiv tsev ua haujlwm ntawm lub façade.
Precast balconies, AC ledges - cantilever qhov chaw. Ua tib zoo saib xyuas cov kev sib txuas.
Precast kab / kab teeb - siv nyob rau hauv thav duab. Highest installation precision yuav tsum tau. Tawm los ntawm ib centimeter thiab txhua pem teb saum toj no tau misaligned.
