Ukuxhomekeka ye lexinene armature ubunzima sobhedu izicacele, kodwa lula izibalo, kwaye kukho kwakhona itheyibhile ngembalelwano. Ukuba akukho ubunzima ekubaleni le nto zexabiso, makhe sibone oko kufuneka isetyenziswe njani kolu lwakhiwo. Nokwakhiwa izakhiwo monolithic ngakumbi concrete yomelele sobhedu isetyenziswa, ubunzima imitha nganye apho inokuba nomahluko ngenxa ubukhulu non-uniform kwizinti yesinyithi. Cinga ukulawula indlela asetyenziswa abo.
Ndazi njani umthamo wezifundo?
Kwi imizobo nezazobe izakhelo zentsimbi kunye iigridi Engineering zibonisa ubunzima kunye nobude isiqalelo ngasinye esikhungu, yaye ekugqibeleni ukunciphisa iindleko izinto kubalo. Ezi amaxabiso design isekelwe kwaye ekuqulunqeni zoqikelelo xa ikontraka bafumana armature, ubunzima imitha nganye ongachatshazelwa ukufuma, umhlwa, okanye ezinye iinkcukacha. Zonke ezi iimpazamo kuba bexabiso zibandakanyiwe kule theyibhile. Umzekelo, kule theyibhile ubunzima imitha ka-10 mm rebar nganye 0,617 kg kodwa ezingachanekanga olungephi - ton kwimigangatho kufuneka ingadluli ± 5-6%. Kodwa la manani zibonisa ngengozi iimeko ezinzima kakhulu, ngoko zama Ukuthintela ukutenxa ngaphezu ± 2-3% nokuthintela neembono kunokwenzeka.
nokuqiniswa Hot-liqengqiwe. Ubunzima imitha umbandela ngamnye.
iintonga Cross-icandelo
| Weight 1 rm.
| ubude isilinganisi ton
| Umda nokuya ubunzima
|
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%
|
Ukubala inani lwezilinganisi phezu kweqiniso
Unga lula ukubala ubunzima wezifundo, sithembele kuphela kwi ubude kunye sangqa kweentonga ezo, ekubeni lexinene ngentsimbi yaziwa kakuhle yaye 7850 kg / m 3. Umzekelo, kwimeko enjalo: kufaneleka 12, ukubaleka ubunzima imitha ayaziwa, kodwa ubude bayo yonke abekiweyo 100 m kummandla Bala of onale owela ngaphakathi kwama-6 mm, yande yi ukuphakama (ngamanye amazwi, ubude iintonga) kunye lexinene umbandela ukusuka apho kwenziwe .. Ribbing nokuqiniswa xa kubalwa ukungahoywa. Ngenxa yoko sinokuyifumana: πR 2 × 100 × ρ SENTSIMBI = 3.14 × 0.006 2 × 100 = 88.74 × 7850 kg. Ukuhlola itafile, siya ukuqinisekisa ukuchaneka ukubala. 100 m kuphela ukuphambuka yento 0,06 kg, ezilingana lula ubuninzi imposiso womlinganiselo ingxenye ye ± 3%.
Ukongamela nentabalala yezinto eziphathekayo kwindawo yokwakha
Kulo naliphi na ishishini, kubandakanywa ezifana nokuthengisa iimveliso zesinyithi liqengqiwe, bonke abantu bayazi kakuhle omnye komnye, ngokulandelelana, ingqibelelo nabathengisi kwidolophu yakho kubhetele ukubuza ntsumpa, abaya kulawula umsebenzi kwisiza. Lo mntu ozaziyo iintambo, apho kwaye kutheni ukusebenzisa intsimbi ukomeleza ubunzima ngokweemitha umbandela kwesakhiwo nganye, kakhulu, akuyi kuba iindaba kuye. Ngoko ke musa ukulibala ukuba bakhumbuze ukuba ukubutha zonke iirisithi kunye obufana metal. Eneneni, nixhobe imizobo apho ubude ngamnye unyanzeliso wathi welding wocingo kunye isakhelo, ungenza ukubamba kunye ukhenketho umdla esi sakhiwo sakhiwe khona, uze uqiniseke ukuba kuqengqeleka kukho into kule nkqubo, okanye nje ukuqinisekisa ukusetyenziswa ngokupheleleyo izinto. Isiphumo sale intsebenziswano bentsebenziswano eyinzuzo macala buya nigqibelele kwenziwa nokwakha waneliseke efanayo.