摘要因为大体积的混凝土工程面积大且需要的水泥量大,所以在浇筑水泥后有大量的热量释放出来导致混凝土的温度升高。并且,混凝土的导热性差而且相对于内部散热来说较小。因而,导致不易散发混凝土中水化热的积攒而且外部散热会更快。由于温度明显的不一致导致不难产生应力,因此会导致不难发生温度裂缝。本文详细的讲述了大体积混凝土的开裂是因为什么,不但从相关的资料,设计和施工等不同的几个方面提出了管控措施,还增添了实例进行讲解。关键词:大体积混凝土施工;裂缝;温度应力;测温AbstractDuetothelargeareaoftheconcreteprojectandthelargeamountofcementused.Therefore,thepouredcementreleasesalotofheattoraisethetemperatureoftheconcrete.Moreover,concretehaspoorthermalconductivityandlessheatdissipationrelativetointernalheatdissipation.Asaresult,theheatofhydrationofconcreteislesslikelytodisperse,andheatisdissipatedfromtheoutsidefaster.Sincethetemperaturedistributionisunevenandstressiseasilygenerated,temperaturecrackshaveoccurred.Thisarticlewillspecificallyintroducethecrackingmechanismofmassconcrete,andproposethecrackingmechanismfromtheperspectiveofdata,design,constructionandothermanagementmethods,andgiveexamplestoillustrate.Keywords:massconcreteconstruction;Fracture;Temperaturestress;Temperaturemeasurement2目录................................................................................................................................................3摘要................................................................................................................................3Abstract..................................................................................................................................4一.前言..................................................................................................................................6二.裂缝形成分析..................................................................................................................7三.裂缝控制方法..................................................................................................................7(一)材料控制........................................................................................................................7(二)设计控制........................................................................................................................8(三)施工控制........................................................................................................................8四.混凝土裂缝控制设计......................................................................................................9结论..............................................................................................................................15参考文献........................................................................................................................16致谢..............................................................................................................................183一.前言近年来随着全国各地的项目规模日益发展扩展,结构设计的模式也越来越繁琐复杂。民用建筑和工业建筑关于大体积混凝土的需要也在增加。由于混凝土这种物质具有体积大、表面系数小、内部温升快以及集中释放热量等一些特殊的性质,所以在这种情况,当混凝土的内部和外部温度明显不同时,混凝土表现出热裂状态,这会影响建筑物结构的安全性和建筑物的使用。因此,我们必须进行根本性的分析,以确保建筑的质量和安全。4二.裂缝形成分析...