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变形裂缝占砌体房屋裂缝中的80%以上,其中因地基不均匀沉降而引起的裂缝更为突出和引人关注。相对于受力裂缝,变形裂缝的产生机理和影响因素复杂得多。
Deformation cracks account for more than 80% of the cracks in masonry buildings, of which cracks caused by uneven foundation settlement are more prominent and cause for concern. Compared with the stress cracks, the mechanism and influencing factors of deformation cracks are much more complex.