落完石屎後幾多日才可拆板?
回答 (5)
2006-11-17 12:57 am
落石屎時會做磚仔,
測試磚仔到達預設強度,
才可拆板,拆完板做石屎養護
測試磚仔到達預設強度,
才可拆板,拆完板做石屎養護
2006-11-04 6:32 pm
There is specific requirement depending on:
1: type of structure, such as wall, slab, ss beam, cantilever beam, etc.
2: type of finish, such as F2, F4, F5, etc.
3: use of retarder
1: type of structure, such as wall, slab, ss beam, cantilever beam, etc.
2: type of finish, such as F2, F4, F5, etc.
3: use of retarder
2006-11-01 7:22 am
See this table!!
http://www.cedd.gov.hk/eng/publications/standards_handbooks/doc/stan_gs_2006/ga_2006_vol_2.pdf
General Specification for Civil Engineering Works, Volume 2, Chapter 14, Table 14.6
http://www.cedd.gov.hk/eng/publications/standards_handbooks/doc/stan_gs_2006/ga_2006_vol_2.pdf
General Specification for Civil Engineering Works, Volume 2, Chapter 14, Table 14.6
2006-11-01 6:11 am
落完石屎後一星期以後才可拆板.
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