工程管理毕业论文---浅谈地下室底板大体积混凝土裂缝控制.doc

毕业设计报告（论文） 课题名称浅谈地下室底板大体积混凝土裂缝控制专 业 工程管理 浅谈地下室底板大体积混凝土裂缝控制摘要：在大体积混凝土施工中，如何减少并控制裂缝的产生是施工的关键问题，首先对裂缝产生的原因进行分析，从而在设计阶段和施工阶段如何控制混凝土温度裂缝采取相应的措施 In mass concrete construction, how to reduce and control the generation of cracks in the construction of the key issues, first to analyze the causes of cracks, resulting in the design phase and construction phase to control the concrete temperature cracks take the appropriate measures关键词：大体积混凝土裂缝 Cracks in mass concrete裂缝控制措施 Crack control measuresIntroduction： Along with fly economicly to develop soon, and people consume the horizontal exaltation, more and more high living quarters, write the large and public building in etc. in floor to pull out gladly a ground of but rise, these buildingses foundation construction is big the part all be constituted by big physical volume concrete, in order to have the enough loading dint props up the lofty corpus, also having the ample space constitute the ground floor, providing the owner park with consumer the vehicle, storage product.But the concrete construction appears the crack in the crack of the different from use the process the inside will appear degree, form in developments, this is an equal and widespread problem, especially big physical volume in scaleboard in foundation concrete construction, in the whole country investigate total amount particularly for widespread, affected the usage function of the ground floor seriously, this is the farsighted problem that construction engineering perplex one of our technique hard nut to crack over a long period of time, deserving the industry insider common study resolve.目 录引言大体积混凝土施工裂缝成因水泥水化热影响混凝土收缩变形影响约束条件影响（外约束与内约束）外界气温变化的影响施工工艺控制预防的体积混凝土裂缝发展的措施及方法设计阶段的措施（1）、合理确定混凝土的强度等级（2）、增配构造筋（3）、设置暗梁（4）、设滑动层和压缩层（5）、设置后浇带 (6)、设置膨胀加强带2、施工阶段的控制措施 （1）、控制混凝土温升 （2）、减少混凝土收缩，提高混凝土极限拉伸值（3）、合理的施工工艺和浇筑方案 （4）、混凝土的振捣工艺 （5）、混凝土的泌水处理 （6）、混凝土的表面处理 （7）、后浇带的施工 （8）保温保湿养护，延缓混凝土的降温速率 （9）、做好测温监控工作，及时调整养护措施引言：随着经济的飞速发展，以及人们消费水平的提高，