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在选定桥梁伸缩装置时,考虑因素较多,但一般将温度变化引起的伸缩量和混凝土的收缩、变引起的伸缩量作为确定伸缩装置类型和规格的主要依据,而将其他因素引起的伸缩量以及因桥梁结构型式或布置所产生的附加伸缩量作校核用,并主要在设置伸缩装置的富余量时予以考虑。
In the selection of bridge expansion device, consider more factors, but generally the temperature caused by the expansion and contraction of concrete shrinkage, variable expansion and contraction caused by the expansion device as the main basis for the type and size, and other factors caused by the telescopic Quantity and the additional amount of expansion and contraction due to the type or arrangement of the bridge structure shall be checked and mainly taken into account when setting the margin of the expansion and contraction device.