幕墙试验和测试英语.pptx
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幕墙试验和测试英语.pptx
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性能性能测试测试视觉视觉样样件件样品送审样品送审现场安装现场安装PerformanceTestAirpermeability气密Watertightness水密Windloadtestserviceability风压适用性Windloadtestsafety风压安全性testsequence试验顺序reference参考标准classification等级testprocedure测试过程positivepressure正压pressurepulse压力脉冲pressuresteps压力阶压力级negativepressure负压testresult测试结果TTestsequenceestsequence试验顺序试验顺序RReferenceeference参考参考标准标准3.1.ClassificationAccordingtoEN1026Class4wewillachieve.3.2.TestSamplePropertyTotalarea:
1.880.965=1.81m=A3.3.TestAmbientConditionThetestambienttemperatureandhumidityshallbewithinrange10Cto30Cand25%to75%.Innocaseshalltheairpermeabilityofthetestchamberexceed30%oftheoverallairpermeabilityofthetestspecimenandthetestchamber.3.AirpermeabilityEN1026Testa)1.Sealalljointinthetestspecimenwithadhesivetapeoranairtightsheetcoveringthewholetestspecimen.Measuretheairpermeabilityofthetestchamberwithpositivepressureasdescribeinitem3togetQc.2.Detachthecoveringsheet.Thenmeasuretheairpermeabilityasitem3.3.4.TestProcedure3.Applythreepressurepulses660Pa(10%greaterthanthemaximumtestpressuretobeusedinclass4:
Pmax=600Pa).Thetimetoreachthemaximumtestpressureshallbenotlessthan1Sandthepressureshallbesustainedforatleast3S.Applypositivetestpressurestepsof50Pato300Paandfrom300Painstepsof150Pa.Thedurationofeachstepshallbesufficienttoallowthetestpressuretostabilizebeforetheairpermeabilityismeasured.Takedowneverypressuresteptestvalue,Qt3.4.TestProcedure4.Fornegativepressureonlyperformthiswhenspecificallyandrepeatitem1,2,and3withnegativepressure.3.4.TestProcedure5.Calculatetheairflowresult(Vx=Qt-Qc)ateachstep,andadjustbythefollowingformattoget(Vo)atnormalconditions(To=239K;P0=101.3KPa)Tx:
actualtemperatureexpressinginCPx:
atmosphericpressureexpressinginkPa3.4.TestProcedure6.Calculatethereferenceairpermeabilityforjointlengthbytheformula:
Q100isthereferenceairpermeabilityatatestpressureof100PaQisairpermeabilityatatestpressureP.3.4.TestProcedureComparethevalueofV0/AwithQateverypressurestep.IfateverypressurestepV0/AlessthanQthetestisOK.3.5.TestResultClassificationpositivepressurepressurepulsesairflowtestresult等级正压压力脉冲气流测试结果Review3.4.(_)测试过程1.Sealall(_)接缝inthetestspecimenwithadhesivetapeoranairtightsheetcoveringthewholetestspecimen.Measurethe(_)气密ofthetestchamberwith(_)正压asdescribeinitem3togetQc.Review:
fillintheblanksApplypositivetest(_)压力阶of50Pato300Pa4.For(_)负气压onlyperformthiswhenspecificallyandrepeatitem1,2,and3with(_)负气压.Review:
fillintheblanksWatertightness水密RH=RelativeHumidity相对湿度barometricpressure气压ambienttemperature环境温度,室温pressuredifferentialpulses压差脉冲Nozzles喷水嘴4.Watertightness-static4.Watertightness4.1.Classification9AaccordingtoEN12208(equatestospecifications)4.2.TestProcedureEN1027Thetestspecimenshallbeconditionedforatleast4hwithintherange10Cto30Cand25%to75%RHimmediatelybeforetesting.Theambientairtemperature,testchamberairtemperature,humidityandbarometricpressureshouldbemeasuredandrecorded.4.WatertightnessThreepositivepressuredifferentialpulsesof660pascals(maximumtestpressureplus10%)wereappliedtopreparethetestsample.Therateofapplicationwasoveraperiodnotlessthan1second.Eachpulsewasmaintainedforatleast3seconds.Watertemperatureshallbebetween4Cand30Candthewatershallbecleanenoughtoensurethatallnozzlesspraycorrectly.4.WatertightnessThenozzlelineshallbelocatednotmorethan150mmabovethetopmosthorizontaljointline.Thenozzlelineshallbelocatedatadistanceof250mmfromtheexternalfaceofthespecimen.。
Withthewatersprayfor15minutesat0Pa;thenapositivepressuredifferentialwasappliedacrossthesampleof50,100,150,200,250,300,450,and600Pa.Eachpressureincrementwasheldforaperiodof5minutes.Throughoutthetesttheinteriorfaceofthesampleswasexaminedforwaterpenetration4.Watertightness4.3.PerformancecriteriaEN1027Reportthelocationandpressureatwhichanywaterpenetratedthespecimenandthetimeforwhichthemaximumpressurewasmaintainedbeforewaterpenetrated.Markthisdataonadrawingofthefaceviewofthetestspecimen.WatertightnessRH=RelativeHumiditybarometricpressureambienttemperaturepressuredifferentialpulses水密相对湿度气压压差脉冲环境温度,室温ReviewThe(_)喷嘴lineshallbelocatednotmorethan150mmabovethetopmosthorizontaljointline.Throughoutthetestthe(_)内表面ofthesampleswasexaminedfor(_)水密Review5.WindLoadTestServiceabilityDisplacementtransducersDeflectionDisplacementPerformancecriteriaSpanCycle位移传感器挠曲位移性能标准跨度循环,周期5.WindLoadTestServiceability5.1.ClassificationClassB2accordingtoEN122105.2.TestprocedureEN12211Theambienttemperatureandhumidityclosetothespecimenshallbewithintherange10Cto30Cand25%to75%RHandthespecimenshallbeconditionedthusforatleast4himmediatelybeforetesting.Theambientairtemperature,testchamberairtemperature,humidityandbarometricpressureshouldbemeasuredandrecorded.5.WindLoadTestServiceability1.Threepositivepressuredifferentialpulsesof1034Pa(P1+10%)wereappliedtopreparethesamplefor3seceachtimeandthedisplacementtransducerszeroed.2.ThepressureP1of940Pawillapplyfor30sthenreducethetestpressureto0Pa,ataratenotgreaterthan100Pa/sandafter605srecordtheresidualfrontaldeflectionorfrontaldisplacement.Applythesameprocedureusingnegativepressures.5.WindLoadTestServiceability3.Continuethetes
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