The determination of winter construction temperature limit is the primary problem related to the quality and safety of concrete construction.
What we share this time is the standard of the Ministry of housing and urban rural development! Jgjt104 code for winter construction of construction engineering, winter construction problems are here! 139 page PDF retained (there is no forwarding routine, you can directly obtain the electronic version, and the acquisition method depends on the end of the text).
In meteorology, the average temperature at 2:00, 8:00, 14:00 and 20:00 is usually used as the average temperature of the day.
At present, according to the code for winter construction of Building Engineering (jgj104-2011), the division principle of winter construction period is: according to the statistics of local meteorological data for many years, when the outdoor daily average temperature is stable below 5 ℃ for 5 consecutive days, the winter construction will be started, and when the outdoor daily average temperature is higher than 5 ℃ for 5 consecutive days, the winter construction will be cancelled.
Reasons for winter construction in industrial and civil construction projects, the construction unit shall put the project into use as soon as possible to maximize the economic and social benefits of the project; In the process of project construction, in order to meet the needs of project progress, it is inevitable that the construction must be carried out in winter.
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In winter construction, jgjt104-2011 code for winter construction of construction engineering is the most favorable construction reference tool.
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Chief editor’s quotation: the definition principle of winter construction “winter” is not the same as “winter” in the traditional sense.
The meteorological department can provide relevant information in this regard.
For the project under winter construction, the special scheme for winter construction shall be prepared in advance, and the technical disclosure and relevant preparations before winter construction shall be made to guide the winter construction of the project and ensure the project quality.
It represents the temperature section that affects the construction of concrete structure.
Note: “daily average temperature” refers to the average temperature for 24 hours a day.
