Qhov tob Drilling txheej txheem rau Bailey Choj Cheebtsam

Lub Cheebtsam ntawm Bailey Choj uas yuav tsum tau ua qhov tob qhov drilling txheej txheem suav nrog:

Kev sib txuas qhov nruab nrab ntawm truss chord cov tswv cuab thiab cov tswv cuab hauv lub vev xaib:Qhov no yog qhov feem ntau daim ntawv thov rau qhov sib sib zog nqus qhov drilling. Cov qhov no haum rau qhov ntxig ntawmtus pin, uas dais thawj shear rog.

Kev sib txuas qhov rau cov tswv cuab chord txhawb zog.

Pin qhov nyob rau hauv lub truss txuas pins(piv txwv li, rau cov roj txhaj tshuaj, yog muaj nyob rau ntawm tus pin nws tus kheej).

Qhov tseem ceeb ntawm kev sib txuas qhov hauv cov khoom xws li cov kab hluav taws xob transverse thiab lawj panels.

Cov yam ntxwv zoo ntawm cov qhov no yog:Qhov siab qhov tseeb ntawm qhov aperture (feem ntau yog qib H7 lossis siab dua), qhov tob tob (piv rau txoj kab uas hla), qhov siab yuav tsum tau ua tiav ntawm lub qhov phab ntsa, thiab yuav tsum tau ua kom muaj qhov sib npaug ntawm qhov sib npaug thaum muaj ntau qhov sib dhos ua ke.