随着进一步干燥，其中一些裂纹以优先的方式生长，而另一些则倾向于关闭(图

With further drying, some of these cracks grow in a preferential manner, while others tend to close (Figure 3). The remaining cracks observed have a radial direction, and their intersection angles are 90°, 60° and 120°C, respectively. The radial shrinkage can be observed to occur simultaneously with the growth of the main crack. The image processing method was applied to the images of the previously proposed test to estimate the radial strain during the cycle (Figure 4).

As it dries further, some of these cracks grow in a priority manner, while others tend to close (Figure 3). The remaining observed cracks have radial directions, with intersections of 90 degrees, 60 degrees and 120 degrees C, respectively. Radial contraction can be observed at the same time as the growth of the main crack. Apply the image processing method to the image of the previously proposed test to estimate radial strain during the cycle (Figure 4).

With further drying, some of the cracks grow preferentially, while others tend to close (Fig. 3). The other fractures observed have radial direction with intersection angles of 90 ° C, 60 ° C and 120 ° C, respectively. Radial shrinkage can be observed simultaneously with the growth of the main crack. The image processing method is applied to the image of the previously proposed test to estimate the radial strain during the cycle (Fig. 4).<br>