What should be paid attention to in winter construction of civil engineering?

If construction must be carried out in winter, the construction method shall be determined after technical and economic comparison.

I feel that the winter construction scheme I have formulated has not formulated a perfect project in terms of earthwork and concrete structure.

3.

Backfilling is the key to earthwork construction in winter.

Lifting Anchor

The filling under the ground layer shall not contain frozen soil blocks.

Filling in winter shall comply with the following provisions: (1) ice and snow and thermal insulation materials on the base shall be removed before filling; (2) Frozen soil shall not be used for filling within 1m of the surface layer of the filling slope; (3) The frozen soil blocks in the filler shall be evenly distributed and compacted layer by layer, and their content shall meet the design requirements.

Careful planning and preparation shall be made before construction to achieve continuous construction.

Today, we will give you some tips for keeping out the cold of various projects in winter.

Notice for earth excavation: when the freezing prevention method is adopted for earth excavation, the surface soil can be covered with thermal insulation materials or ploughed and raked loose before freezing, and the ploughing depth shall be determined according to the local climate conditions, generally not less than 30cm.

The on-site construction personnel can come in and have a look.

The 41st training course for directors and engineering technicians of national concrete industry laboratory (online registration by scanning QR code) has come in Haikou, Hainan from March 1 to 5, 2022.

Can earthworks be constructed in winter? Yes but not.

2.

Anti freezing measures shall be taken from the completion of filling to the ground construction..

Instructions for backfilling in winter construction 1 The paving thickness of each layer of filling in winter shall be 20% ~ 25% less than that during normal temperature construction, and the reserved settlement shall be appropriately increased than that during normal temperature construction.