Ko te fakafalala o te kiato papatipu armature o parahi kitea, engari ki te faaohie i te tātai, me i reira e ano tepu reta. Hei kahore fifi i roto i te tātai tenei he rauemi utu, kia kite a pehea kia whakamahia te reira i roto i te hanga. Ki te hanga o nukurau waihanga raima whakapakaritia ngā whakamahia maitai te, te taimaha ia mita e kia rerekē e tika ana ki te matotoru kore-kākahu o te rakau whakarewa. Fakakaukau ki he founga ki te whakahaere āta ratou kohi.
Me pēhea e mohio ana ahau ki te rōrahi o te ngā?
I roto i te tānga me te hoahoa papa rino me mātiti Engineering tohu te taimaha me te roa o ia huānga o te whakaminenga, a te mutunga whakaiti rauemi utu i roto i te tatauranga. E hāngai ana ēnei uara hoahoa me te i roto i te whakahiato tata me ka riro te kaikirimana armature, e kore te taimaha ia mita pāngia e te haumākū, te waikura, te tahi atu ngā whakaritenga ranei. i nga uara mōrahi ngā i roto i te tepu katoa o enei hapa. Hei tauira, i roto i te tepu i te taimaha ia mita o 10 mm rebar he 0,617 kg engari haupūtanga iti - e kore me ton i runga i ngā paerewa nui ± 5-6%. Ko enei whika whakaaro tāpiritanga nga huru tino kino, kia ngana ki te karo i ine nui atu i ± 2-3%, me te ki te ārai i te nounou taea.
ngā Hot-hurihia. Ko te taimaha ia mita o te rauemi.
tokotoko Cross-wāhanga
| Taumaha 1 Rm.
| roa tikanga o te ton
| tātāu taimaha rohe
|
Ø6
| 0,222 kg
| 4504,5 m
| ± 7-9%
|
Ø8
| 0,395 kg
| 2531,65 m
| ± 7-9%
|
Ø10
| 0,617 kg
| 1620,75 m
| ± 5-6%
|
Ø12
| 0,888 kg
| 1126,13 m
| ± 5-6%
|
Ø14
| 1.21 kg
| 826,45 m
| ± 5-6%
|
Ø16
| 1.58 kg
| 632,91 m
| ± 3-5%
|
Ø18
| 2 kg
| 500 m
| ± 3-5%
|
Ø20
| 2.47 kg
| 404,86 m
| ± 3-5%
|
Ø22
| 2.98 kg
| 335,57 m
| ± 3-5%
|
Ø25
| 3,85 kg
| 259,74 m
| ± 3-5%
|
Ø28
| 4,83 kg
| 207,04 m
| ± 3-5%
|
Ø32
| 6,31 kg
| 158,48 m
| ± 3-4%
|
Ø36
| 7.99 kg
| 125,16 m
| ± 3-4%
|
Ø40
| 9,87 kg
| 101,32 m
| ± 3-4%
|
Counting te maha o whare i runga i te meka
Ka taea e ngāwari e koe te tātai i te taimaha o te ngā, ti'aturi anake i runga i te roa me te diameter o nga rakau, mai te mea pai mohio te kiato o te maitai me te he 7850 kg / m 3. Hei tauira, he huru taua: tikanga 12, he mohiotia rere mita taimaha, engari tona roa i roto i te katoa tito 100 m Tātaihia rohe o te porohita ki te pūtoro 6 mm o, kua whakanuia e te teitei (i.e., te roa rakau) me te kiato o te rauemi e hanga i ai e ratou .. Ribbing ngā ina tātai ore. Ka rite ki te hua whiwhi tatou: πR 2 × 100 × ρ Steel = 3.14 × 0.006 2 × 100 = 88.74 × 7850 kg. Consulting te tepu, te whakaū i te tātai. 100 mita o te ine anake rauemi a 0,06 kg, e hāngai ngāwari i roto i te mōrahi hapa inenga wāhanga o ± 3%.
Te aroturuki i kohi rauemi i te pae hanga
I roto i tetahi pakihi, tae atu pērā i te hoko o ngā hua whakarewa hurihia, ko katoa pai mōhio o ia atu, aua, o te tapatahi o kaihoko i roto i to koutou pa he pai ki te ui i te kaiwhakahaere, ko wai e whakahaere te mahi i runga i te pae. Tenei tangata e matau nga taura, te wahi me te aha ki te whakamahi i whakapakari i maitai, te taimaha ia mita o te rauemi hanganga, rawa, e kore e waiho rongo ki a ia. Heoi e kore e wareware ki te faahaamana'o ia e i kohi ia rihīti katoa me nama i runga i te whakarewa. Ko e mo'oni, patu ki te tuhinga i roto i nei te roa o ia o ngā mea paiherea mata me te anga, ka taea e koe te pupuri tahi te haerenga ātahu o te whakatūria te whare, a ka kia e kore ki te hurihia i reira te tahi mea i roto i te tukanga, ranei tika ki te whakarite i te whakamahi ikeiketanga o rauemi. Ko te hua o tenei mahi tahi painga ka kia maitai whakamana me te hanga i tō utu tahi.