hoʻolauna huahana
Hoʻokumu ʻia ka pahu kila me ka pā luna, ka pā lalo, ka pūnaewele, ka ʻāpana kuʻekuʻe a me nā stiffeners longitudinal a transverse.ʻO kona mau ʻano cross-sectional i hoʻohana pinepine ʻia, ʻo ia ka pahu pahu hoʻokahi lumi, pahu pahu ʻekolu lumi, pahu pālua hoʻokahi lumi, ʻekolu pahu hoʻokahi lumi, Multi-pahu hoʻokahi keʻena, inverted trapezoid me nā pūnaewele inclined, pahu hoʻokahi pahu nui me ka ʻoi aku ma mua o 3 mau pūnaewele, pahu kila pālahalaha, etc. laula.ʻO ke kāʻei pahu kila palahalaha he lākiō liʻiliʻi o ke kiʻekiʻe o ka lāʻau a me ka laula o ka lāʻau, a hoʻohana nui ʻia no nā kaola ribbed e like me nā alahaka hoʻokuʻu, nā alahaka noho uwea, a me nā alahaka pio.Hoʻohana ʻole ʻia i nā alahaka kaola.ʻAʻole maʻalahi ka hana ʻana a me ka hoʻokomo ʻana i ka pahu pahu pahu pahu hoʻokahi pahu me nā pūnaewele ʻoi aku ma mua o 3, no laila ʻaʻole maʻalahi ia.
Hoʻokaʻawale ʻia ia i nā ʻāpana beam no ka hana ʻana a me ka hoʻonohonoho ʻana, a ʻo kāna ʻāpana keʻa he mau hiʻohiʻona o ke ʻano ākea a palahalaha, a hiki i ka lakene hiʻohiʻona ma kahi o 1:10.Hoʻokumu ʻia ka pahu kila ma ka wili piha ʻana i ka pā luna, ka pā lalo, ka pūnaewele, a me nā ʻāpana transverse, nā ʻāpana longitudinal a me nā mea ʻoʻoleʻa.ʻO ka papa luna he papa alahaka orthotropic i haku ʻia me kahi pā uhi a me nā ʻoʻoleʻa longitudinal.ʻO ka mānoanoa o kēlā me kēia pā o ka pahu kila maʻamau hiki ke: uhi mānoanoa 14mm, longitudinal U-like iwi iwi mānoanoa 6mm, luna waha laula 320mm, lalo waha laula 170mm, kiekie 260mm, spacing 620mm;ʻO ka mānoanoa o ka pā lalo 10mm, nā ʻoʻoleʻa U-like me ka lōʻihi;ʻO ka mānoanoa o ka pūnaewele inclined he 14mm, ʻo ka mānoanoa o ka pūnaewele waena he 9mm;ʻO 4.0m ka mamao o nā ʻāpana transverse, a ʻo 12mm ka mānoanoa;ʻo ke kiʻekiʻe o ka lāʻau he 2~3.5m.
Nā mea maikaʻi o ka huahana
1. Māmā māmā a mālama waiwai
2. Nui ke kulou a me ka torsional rigidity
3. Hoʻokomo maʻalahi, kumukūʻai haʻahaʻa, pōkole pōkole
4. Hōʻoia i ka maikaʻi a me ka nui, a me ka hilinaʻi kiʻekiʻe.
5. Hana maikaʻi kiʻekiʻe a palekana kiʻekiʻe
6. Hoʻohana nui ʻia
Nā noi huahana
Ma muli o kona ʻano hoʻolālā, hoʻohana maʻamau ka pahu kila no ke kaona kiʻekiʻe a me ka ramp pahu kila;hui kaʻa kaʻa kaʻa wā lōʻihi lōʻihi o ke alahaka noho uwea, ke alahaka hoʻokuʻu, ke alahaka ʻoʻoleʻa a me ke alahaka hele wāwae pahu kila.
