During the construction process of precast buildings, construction quality problems often occur.

Precast Round Ferrule

Preventive measures have been proposed, and experience can be learned to avoid them as much as possible in future projects.

1.

The wall panels of some components on the exterior wall were not designed to flip up by 600 and did not leave a water stop groove, resulting in exterior wall leakage [Image] [Image] 1.

1 The horizontal joints of the components were designed to be 20mm, and the insulation board joints were directly filled with cement mortar without water stop measures .

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