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 Wysłany: Sob 11:35, 19 Lut 2011 Temat postu: tory burch sale Point load test in the rocks in th |
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Point load test in the rocks in the base strength and bearing capacity evaluation
3) Abslrace: PointloadtestcandeterminethepointloadstrengthindexesofrockTheresultthencanbeusedtocalculatetherock'suniaxialcompressivestrength,[link widoczny dla zalogowanych], fromwhichthebearingcapacityofrockfoundationcanbedecided. Thismethodcanbeusedtoevaluatethestrengthandbearingcapacityofrockfoundationintheartificialexcavatedholesforpiles. Comparedwithmaemsmpicperceptionmethod, pointloadtestmethodismorescientificItisalsomoreeconomic, simplerandeasiertoapplyinthediggingprocessinoomparisonwithstaticloadtest. Inthisarticle. wewillpointOutthatpointloadtestcanpromptlydeterminethestrengthofrockfoundationbytestingirregularrockspecimens. Therefore, farasspecimencollectionisconcerned, pointloadtestissimpler, andmoreeffectivethanuniaxialcompressivestrengthtestanditisespeciallysignificantfortheevaluationofsoftrock (e.gtheredclayrockinNanjingarea) Ⅵ enapplyingpointloadtestmethodtotheevaluationofthestrengthandbearingcapacityofrockfoundationintheartificialexcavatedholesforpiles, itshouldbenotedthatthesample'Slength (L), width (6),[link widoczny dla zalogowanych], andheight (h) meetthisoondition: L ≥ b ≥ h, andhietween2.5-10cmSamplescaI1 'tbetetrahedmidForpointloadstrengthindexIs,[link widoczny dla zalogowanych], thearea-strengthformulaoritsmodifiedform ( Is = P / De) isthemostsuitableformulaforitsexpression, whereDeistheequivalentdiameteroftheareaApplyingthepointloadtestmethod,[link widoczny dla zalogowanych], weevaluatedthestrengthandbearingcapacityofrockfoundationinmanyartificialexcavatedholesforpilesinNanjingareaandguidedthediggingprocesswithgoodresultsKeywords: pointloadtest; pointloadstrength; bearingcapacitydrockfoundation; uniaxialcompressivestrength
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