JB-T 6279.3-1992 圆盘耙 试验方法

B91JB/T6279.319921992-06-101993-07-01()1122.12.22.2.12.2.22.2.32.2.42.2.512.2.6100m50m2.352.3.11m2512.3.2515cm0~15cm0~10cm10cm~21Wt=ggsGGG−100%1WtGsgGgg2.3.352.3.221992-06-10JB/T6279.319921993-07-01()JB/T6279.3199222.42.4.1480.5cm3bX=nX∑2bXcm∑XcmnSb=()12b−−∑nXX3V=bbXS100%4SbcmV——2.4.2345S=()12−−∑nXX5ScmXcmXcmnX6X=nX∑62.4.350.4m0.4m5cm75C=GGs100%7CGs5cmkgGkg2.4.451m286JB/T6279.319923Bm=cwcnnn−100%8Bmncnw2.4.598K=BXPbb1009KMPaPbNBcm2.4.6108υ=tL10υm/sLmts119N=1000bυP11NkW2.4.729p=TbPP100%12pPTN2.4.8139N=TNN100%12NNTkW33.13.23.2.1JB/T6279.3199243.2.2123.318kW18kW40ha18kW60ha3.436hmin1011113.4.114Ee=∑∑ebTQ14Echa/h∑bQha∑cTh3.4.215Eb=∑∑bbTQ15Ebha/h∑bQh3.4.316q=∑∑bnQG16qkg/ha∑nGkg3.5123.61317Kb=∑∑∑+gzzTTT100%17Kb∑zTh∑gTh3.744.14.2abJB/T6279.319925cde1mmhacmcm/m2cm2cm%MPa0~0~1010~10~0~1010~2JB/T6279.3199262cm%MPa0~0~1010~30~0~1010~40~0~1010~5312341234cmcmcm°%cmcmcm°%JB/T6279.3199274km/h°cmcmcm1234567n5km/h°cmkg5cm5cm%1234512345JB/T6279.3199286km/h12345%7km/h%MPacm%cm%cmcm°%cmcm°%%%JB/T6279.3199298NcmcmMPam/s9m/scmcmNMPakW%%JB/T6279.319921010h1kmh1kmhha11hahhkgha/hha/hkg/haJB/T6279.319921112hagmmg13km/hhaNJ16578JB/T6279.31992JB/T6279.31992*2100044*88012301/16122,000199361993615003.200908