What are the temperature requirements for winter construction?

When the outdoor daily average temperature is stable below 5℃ for five consecutive days, winter construction measures should be taken for masonry engineering.

Materials used in winter construction shall meet the following requirements:

1, lime plaster, electric gypsum, etc. Freezing should be prevented. If frozen, it should be used after melting;

2. The sand used for mixing mortar shall not contain ice and frozen blocks larger than 10mm;

3, masonry bricks or other blocks shall not be frozen by water.

Extended data

Winter construction arrangement:

1, overall arrangement. According to the characteristics and progress of this project, the sequence of working procedures (subdivisional work) shall be arranged reasonably according to the requirements of technology or working procedures. When necessary, the process can be adjusted under the guidance and supervision of relevant departments to ensure the quality and progress. According to the winter application plan and technical measures, make preparations for cold-proof equipment and materials. Such as straw curtains, additives, plastic films for thermal insulation, thermometers, etc.

2, winter shortage of materials to pay close attention to the procurement of admission reserves, as far as possible to promote the use of new materials. Do the anti-freezing work of machinery and equipment in time.

3. Conduct an inspection on the construction site, repair the construction road in time, dredge the drainage ditch, reinforce the temporary work shed, water pipes, faucets and fire extinguishers in time, and do a good job of keeping warm.

4. Send people to listen to the weather forecast and measurement in time, and take timely measures to prevent safety accidents and quality freezing damage caused by strong winds, cold currents and frost attacks. Do a good job in meteorological records to guide construction, accumulate data for a long time, and sum up experience for later construction.

Baidu Encyclopedia-Winter Construction