ISO 9245-1991 Earth-moving machinery machine productivity vocabulary symbols and units《土方机械 机器生产率 词汇、符号和单位 两种语言版》.pdf
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1、INTERNATIONAL STANDARD NORME INTERNATIONALE IS0 9245 First edition Premi c) condition of material on which the productivity is based, e.g. bank or loose soil; 1 Domaine dapplication La presente Norme internationale donne un vocabulaire des ter- mes, avec leurs definitions ainsi que les symboles et l
2、es unites correspondants, employ b) type de materiau, conformement aux classifications nationales de sol, et, sil y a lieu, les caracteristiques du sol telles que la distribution granulometrique, la densite, Ihumi- dite; c) etat du materiau sur lequel la productivite est basee, par exemple, du rembl
3、ai ou du sol meuble; 1 IS0 9246 : 1991 (E/F) d) type of operation (e.g. trench excavation, loading of spoil, load and carry) and conditions of operation (e.g. ex- cavation depth, cutting height, scraping depth, swing angle of excavator, condition of haul roads and tracks, configur- ation of ground);
4、 e) type of receiving equipment (e.g. haulage machine, body height, hopper, stockpile); f) weather (e.g. temperature, rain, snow); g) place, date and time. 3.1 productivity, Q: Measured volume of material moved per unit of time, in cubic metres per hour. 3.1.1 basic (theoretical) productivity, Qa: P
5、roductivity, in cubic metres per hour, attainable for a short period with the respective equipment under given operating conditions and for a given type of material. Influences liable to reduce the productivity arising from the condition of the equipment, from the organization of the construction si
6、te and from the weather are not taken into consideration here. An operator of average ability is assumed. 3.1.2 actual productivity, Qn: Productivity, in cubic metres per hour, attainable continuously with the respective equip- ment under given operating conditions and for a given type of material,
7、taking into consideration operating conditions and all data influencing productivity such as the condition and hand- ling of equipment, the organization of the construction site and weather. 3.1.3 job efficiency factor, fE: Ratio of actual productivity to basic (theoretical) productivity: f=Q E 2 3.
8、2 swell factorl), fs: Ratio of volume after loosening or picking up to the bank volume or volume before picking up: fs” 1. 3.3 fill factor I), fF: Ratio of volume after loosening or picking up per cycle to the rated volume of the attachment. 3.4 rated volume, V,: Rated capacity, in cubic metres, of
9、the attachment in accordance with the appropriate Inter- national Standard. (See annex A.) d) type doperation (par exemple creusement de tran- chees, chargement de materiau dexcavation, charge et transport) et conditions de service (par exemple profondeur dexcavation, hauteur dattaque de la pelle, p
10、rofondeur de creusement, angle dorientation de la pelle, Btat des voies de desserte, configuration de la terre); e) Bquipement de reception (par exemple engin de trans- port, hauteur de la benne, tremie, tas); f) conditions climatiques (par exemple la temperature, la pluie, la neige); g) lieu, date
11、et heure. 3.1 productivite, Q: Volume mesure de materiau deplace par unite de temps, en metres cubes par heure. 3.1.1 productivite de base (theorique), Qs: Productivite, en metres cubes par heure, capable detre atteinte pendant une courte periode avec un type dequipement dans des conditions de fonct
12、ionnement donnees et pour un type de materiau don& Toute influence susceptible de baisser la productivite resultant de letat de Ibquipement, de Iorganisation du chan- tier et des conditions climatiques nest pas prise en considera- tion ici. On considere la presence dun operateur de compe- tence moye
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