** Digniin Muhiim ah:** Tani waa qoraal kayd taariikhi ah, ma aha xisaabinta mashiinka hadda, qiimaynta khatarta ama buug-gacmeedka hawlgalka. Tirada kacaanka, istaroogga, barokaca, ciidamada, isugeynta iyo qiyamka shaxda waa in la hubiyaa iyadoo loo eegayo xeerar sax ah, dukumeentiyada soo saaraha iyo xaaladaha wax soo saarka gaarka ah.
Qoraalkani maaha soo jeedin mashiinka ama dukumentiga adeegga ee Savo Kusić. Soo jeedinta hadda waxay diiradda saaraysaa daaqadaha, albaabada iyo xalalka la xidhiidha.
Tirada kacaanka iyo cabbirka istaroogga
Tirada kacaanka ee usheeda dhexe ayaa go’aamisa wax soo saarka gater. Markasta oo ay badato tirada kacaanka, waxa sare u kaca wax soo saarka isla cabbirka istaroogga gater-ka. Si kastaba ha ahaatee, iyada oo aan xisaabin hore, tirada kacaanka usheeda dhexe waa in aan la kordhin, sababtoo ah tani waxay keenaysaa in kororka weyn ee xoog inertial toosan, taas oo keeni karta gater failure. Tirada kacaanka usheeda dhexe waxay u dhaxaysaa200ku350hal daqiiqo gudaheed. Jirka leh miinshaarta cidhiidhiga ah ayaa kor iyo hoos u dhaqaaqa, sidaasna looxyada ayaa loo gooyaa. Fogaanta jirku ka soo socdaalo kan ugu hooseeya ilaa meesha ugu sarreeya waxa loo yaqaan ** cabbirka istaroogga gatter.**
Cabbirka istaroogga wuxuu saameeyaa wax soo saarka iridka. Kordhinta istaroogga, oo leh tiro isku mid ah oo kacaan ah, wax soo saarka gaterku wuu kordhaa. Baaxadda istaroogga ayaa la kordhin karaa oo keliya haddii xisaabinta hore loo sameeyo.
Talaabada - barokaca waa dhaqdhaqaaqa geedaha inta lagu jiro hal wareeg oo buuxa ee shafka albaabka. Cabbirka tallaabada awoodda matoorka wadista waxaa lagu go’aamin karaa iyadoo loo eegayo qaacidada:
Log barokaca iyo qaababka taariikheed
Δ =140N / Σhn mm halka Δ ay tahay tallabada loox ama alwaax inta lagu jiro hal wareeg oo buuxa ee shafka gater-ka, mm; N - awoodda matoorka k x s; Σh - wadarta dhererka dhererka goynta ee dhexda dhererka dhererka; h - wadarta dhererka dhererka goynta ee dhexda dhererka dhererka, m; n - tirada kacaanka ee shafka gater, min.
Wadarta dhererka goynta waxaa loo xisaabin karaa iyadoo loo eegayo qaabka Σh = α x dsr x z, halkaas oo α ay tahay iskudarka, taas oo tilmaamaysa celceliska dhererka jarista iyo ka la qaado.0,65-0,80marka looxyada la gooyo. Marka laydhka la gooyo, isku-dhafkan wuxuu la mid yahay midnimada; dsr \ - dhexroorka dhexda log; z - tirada miinshaar la adkeeyay ee jir.
Goynta geedkii, cabbirka barakiciddu waa60%, loogu talagalay larch -85%, warqadda -70%, ee bjørk -80%laga bilaabo offsets for geed geed iyo spruce siiyey miiska1.
Xogta shaxda ee gaterada toosan
| D | 10-12 | 13-14 | 15-16 | 17-18 | 19-20 | 21-22 | 23-24 | 25-26 | 27-28 | 29-30 | 31-32 | 33-34 | 35-36 | 37-38 | 39-40 | 41-44 | 45-48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a | |||||||||||||||||
| 0 | 33 | 33 | 31 | 28 | 26 | 24 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 100 | – | – | 32 | 29 | 26 | 25 | 23 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 120 | – | – | – | 30 | 27 | 26 | 24 | 21 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 140 | – | – | – | – | 28 | 26 | 24 | 22 | 20 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 160 | – | – | – | – | – | 27 | 24 | 23 | 21 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 |
| 180 | – | – | – | – | – | – | 25 | 24 | 22 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 11 |
| 200 | – | – | – | – | – | – | 24 | 23 | 20 | 18 | 16 | 15 | 14 | 13 | 13 | 11 | |
| 220 | – | – | – | – | – | – | – | – | 24 | 21 | 19 | 17 | 15 | 15 | 13 | 13 | 11 |
| 240 | – | – | – | – | – | – | – | – | – | 22 | 20 | 18 | 16 | 15 | 14 | 13 | 11 |
| 260 | – | – | – | – | – | – | – | – | – | – | 21 | 19 | 17 | 16 | 14 | 14 | 12 |
| 280 | – | – | – | – | – | – | – | – | – | – | – | 21 | 18 | 16 | 15 | 14 | 12 |
| 300 | – | – | – | – | – | – | – | – | – | – | – | – | 20 | 16 | 16 | 15 | 12 |