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Prefabricated steel structure
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Prefabricated steel structure building refers to the prefabricated building whose structural system consists of steel (structure) parts.
Compared with prefabricated concrete buildings, prefabricated steel structures have the following advantages:
1) There is no on-site cast-in-place node, the installation speed is faster, and the construction quality is easier to be guaranteed;
2) Steel structure is ductile material, with better seismic performance;
3) Compared with concrete structure, steel structure has lighter dead weight and lower foundation cost;
4) The steel structure is recyclable material, more green and environmental protection;
5) Well-designed steel structure prefabricated building has better economy than prefabricated concrete building.
6) The beam and column section is smaller, and more usable area can be obtained.
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Tips: Is the interface agent the same as the interface mortar?
For example: (1) Porous and strong water-absorbing materials (aerated concrete, gypsum board, wood, etc.); (2) Smooth and low-water-absorbing materials (cast concrete, etc.)
[Construction] Flat coating construction process of elastic coating for exterior wall
Let the new cement on the wall mature for at least one month to reduce the alkalinity of the wall appropriately and make the wall dry. The moisture content of the wall must be less than 10%; if the ambient temperature is low, the wall is ready to dry The time has been extended accordingly.
The quality supervision department has taken action, and the public wall requires the use of water-resistant putty
Shandong Weihai Quality Supervision Station requires that from October 1, 2016, the stairwells and corridors of new residential construction projects need to be scraped on the walls of public parts on the ground
【Construction】Scrape putty in this way so that the wall will not be hollow and cracked
The putty layer is hollow and blistered, mainly due to the presence of gas between the base layer and the putty layer. There is a dense layer between the base layer and the putty layer.
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Time of issue:2020-12-29 13:52:21
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