Construction device of unstressed environment of cement concrete

The utility model belongs to the technical field of civil engineering, a construction device of unstressed environment of cement concrete is related to, including unstressed drum and strainometer andthe meet an emergency compensation unit of setting on unstressed drum, unstressed drum is that cavity and both ends are provided with the open -ended drum, unstressed drum is the drum that the heat susceptible metal material was made. The utility model provides an outer concrete of section of thick bamboo concrete strain state's in to a section of thick bamboo interference has been blocked and theconstruction device of unstressed environment of cement concrete that concrete hindrance of concrete shrinkage in to a section of thick bamboo was held to a section of thick bamboo can be reduced. 本实用新型属于土木工程技术领域，涉及种水泥混凝土无应力环境的营造装置，包括无应力圆筒以及设置在无应力圆筒上的应变计以及应变补偿单元；无应力圆筒是中空且两端设置有开口的圆筒；无应力圆筒是热敏金属材料制成的圆筒。本实用新型提供了种阻断了筒外混凝土对筒内混凝土应变状态的干扰以及可减小筒端混凝土对筒内混凝土收缩的阻碍的水泥混凝土无应力环境的营造装置。