条带式加筋土挡墙的拉筋原型观测试验研究

On Prototype Observed - Test of Striped Reinforced Retaining Wall

对某经济适用房小区二期建设场地东侧边坡的条带式加筋土挡墙进行拉筋原型观测实验。通过在CAT拉筋带表面上粘贴塑性电阻应变片来测定剪切带上的拉应力，然后对所测数据进行了整理分析，得到了CAT拉筋带上水平方向的拉（压）应力随着土层厚度的增加而不断增大的基本规律以及拉筋应力分布的大致规律。较好地反映出加筋土挡墙的实际受力和变形情况。

The prototype observed-test is taken on the striped reinforced retaining wall of the slope located in the east of the construction site phase Ⅱ in residential area of affordable housing. Plastic resistance strain gauge pasted on the CAT goblet can determine the tensile stress of the shear belt. Through analyzing the statistical data, the fundamental law of the tensile stress in the horizontal direction on the CAT goblet was obtained： with the soil filling, the tensile stress becomes larger, while the distribution law of tied reinforcement stress is also studied, which better shows the actual forces situation and deformation of reinforced retaining wall.