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现象 1.相邻圆孔空心板板底不平。2.现浇混凝土板缝突出板底面。3.板缝凹入板底面。原因分析 1.吊装时板底灰浆找平层不平、过厚或灰浆未压实等。2.圆孔空心板本身翘曲。3.安装时板缝不均匀;板缝模板没嵌入板缝内造成跑浆又未清凿。4.勾抹板缝不认真,勾抹不平、不光。
Phenomenon 1. Adjacent round hole hollow plate bottom uneven. 2. Cast-in-place concrete slab protruding plate bottom. 3. Slit concave plate bottom. Analysis of the reasons 1. When lifting the bottom of the mortar leveling uneven, too thick or mortar is not compacted. 2 round hole hollow itself warped. 3 installation uneven seam; stencil not embedded in the template caused by the seam running and not clear chisel. 4. Goubian suture is not serious, hook wiping uneven, not only.