Points out problems in setting expansion joints for supply and return water risers.
The cavity adopts a closed cell expansion joint between C frame and the elastic material such as foaming agent, packing, sealed with sealant surface.
The expansion joints on both sides of dam block no. 26 exhibit an abnormal behavior after 12 years' operation.
Measures for adopting bellows expansion joint have been proposed to meet the requirement of allowable force in the inlet of pump pipeline.
Then controlling measures such as improving thermal insulating course, strengthening the masonry rigidity of the parapet, setting the expansion joint on the roof sheathing, etc.
The technology of prestressed no beam slab with no expansion joint was applied in LongYan children's playground. This paper analysized and summarized the measures of crack controlling in this roof.
The connection between separator, furnace and back-end flue adopts stainless steel nonmetal expansion joint which can bear high temperature.
The large displacement expansion joint is an expansion device between the main bridge and the approach.
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