[提要]  基于时间效应分析的方法，考虑收缩徐变对长期变形的影响，建立了长期荷载作用下混凝土梁的变
形和挠度计算公式。据此得到的曲率、挠度值与极端干燥地区的试验资料吻合良好。
[关键词]  极端干燥地区  混凝土梁  收缩  徐变  长期变形

Based upon the experimental results,the expressions of curvature and deformation have been proposed for reinforced concrete beams under long-term loading in extremely dry areas, in which the effect of creep and shrinkage of concrete is taken into account.
Keywords: extremely dry areas; reinforced concrete beams; creep; shrinkage; long-term deformation