unloading joint

Based on the analysis of seepage of deformation joint of maize unloading trench, the auxiliary seepage-prevention measures by red copper plate and TZS polyurethane was adopted, which has achieved good effect and provided reference for design of deformation joint with higher underground water level.

文章对玉米卸车地沟变形缝渗水现象加以分析，并采用紫铜板加TZS聚氨脂辅助防水措施，取得较好效果。为地下水位较高的变形缝设计提供借鉴。

On the basis of analyzing the actual way of classification of unloading zones, the author puts forward a divisiory way of adopting joint rate, opening joint rate and summation of joint width as quantitative indexes according to formation mechanism and geological exhibition of unloading zones.

在分析目前卸荷带划分方法的基础上，根据卸荷带的形成机理及地质表现，提出了用裂隙率、张开裂隙率和隙宽和3个量化指标进行卸荷带的划分。