大体积混凝土中点式温度计存活率影响因素的研究

The Study on the Influencing Factors of Survival Rate of Point Type Thermometer in Mass Concrete

为研究点式温度计存活率与施工干扰之间的关系,开展了点式温度计在混凝土浇筑过程中损坏风险的预判和研究分析,完成了可能影响点式温度计损坏的风险识别和风险因素因子。以最大成活数量和测点布置误差最小为目标,建立优化目标数学模型。最后结合实际工程优化了点式温度计测点布设、施工工艺;从埋设布置、固定装置和混凝土布料方式采取点式温度计防损坏应对措施,在施工现场跟踪3个仓位检测得到点式温度计存活率分别为33%、87%和100%,实测数据说明了点式温度计防损坏措施与上述优化措施是紧密相关并且是有效的。

In order to study the relationship between the survival of point type thermometer and construction disturbance, this paper has conducted a thermometer with damage to the anticipation of risks in the process of concrete pouring and research analysis and completes the risk identification and risk factors that may affect the damage to the thermometer. Taking the minimum number of damage and the minimum error as the targets,the optimization target mathematical model has been set up. Finally, the design and construction technology of point type thermometer were optimized with practical engineering. From buried layout, fixtures and concrete way of fabric respond with thermometer with damage prevention measures, three positions in the construction site tracking test thermometer with survival rate were 33%, 87% and 100% respectively. The measured data shows the thermometer with damage prevention measures and the optimization measures are closely related and effective.