The painting of the ceiling is related to the weather.

Lime stabilized soil base and cement stabilized soil base. Lime stabilized soil base and cement stabilized soil base should be constructed in late spring and high temperature season, and the minimum construction temperature is 5℃.

1. Warm-mix asphalt mixture surface layer: Warm-mix asphalt mixture is an asphalt mixture produced by adding synthetic zeolite during mixing at the mixing temperature of 120 ~ 130℃, which has the same application scope as hot-mix asphalt mixture.

2. The fiber stabilizer will not deteriorate at 250℃.

3. capillary water can rise to a certain height against the direction of gravity by capillary action, but it can still move and accumulate below 0℃, resulting in frost heaving.

4. Lime stabilized soil has good plate properties, but its water stability, frost resistance and early strength are not as good as cement stabilized soil. The strength of lime soil increases with age and is closely related to curing temperature. When the temperature is lower than 5℃, the strength hardly increases.

5. The early strength of lime-fly ash stabilized soil is low, but the strength increases with the age and is closely related to the curing temperature. When the temperature is lower than 4℃, the strength hardly increases; The more fly ash is used in fly ash, the lower the early strength is, and the greater the strength growth at the age of 3 months.

6, lime stabilized soil base, cement stabilized soil base, lime fly ash stabilized gravel (gravel) base should be in late spring and high temperature season construction, the minimum construction temperature is 5℃.

7. Geonet or geogrid should be selected as the reinforcement material, and its tensile strength (kN/m2) at 20℃ should be greater than 6 (longitudinal direction) and 5 (transverse direction), and its tensile modulus (kN/m) should be greater than 100.

8. Geotextiles should be able to withstand high temperatures above 170℃.

9. Before paving the asphalt mixture surface, preheat the paver screed 0.5~ 1h in advance to make it not lower than 100℃.

10, paving ordinary asphalt mixture, the surface temperature of the subbase is 15-20℃, the thickness of the paving layer is less than 50mm, 50-80mm and more than 80mm, and the minimum paving temperature is 140℃, 135℃ and 65438 respectively.

1 1. Hot-mixed asphalt pavement should be opened to traffic after the paving layer is naturally cooled to a surface temperature below 50℃.

12, the production temperature of modified asphalt mixture should be higher than that of ordinary asphalt mixture 10~20℃.

13. The mixer should be equipped with a finished product storage bin with good thermal insulation performance. During storage, the temperature drop of the mixture should not be greater than 10℃, and it has the function of asphalt dripping.

14, the construction temperature of modified asphalt SMA mixture should be determined through experiments. In general, the paving temperature shall not be lower than 160℃. The initial temperature of initial compaction shall not be lower than 150℃, and the surface temperature after rolling shall not be lower than 90~ 120℃.

15, the vehicle type and total number of vehicles should be matched according to the construction progress, traffic volume, transportation distance and road conditions. The longest time from the beginning of the mixer to the completion of the paving of concrete mixtures with different paving techniques shall comply with the regulations. For example, when the construction temperature is 10~ 19℃, the construction of sliding mode and track machinery is 2.0h, and the construction of three-bar shaft unit and small machines and tools is1.5h; At 20~29℃, the former is 15h and the latter is1.25h; At 30~35℃, the former is 65438 0.25 h and the latter is 65438±0.0h h.

For concrete slabs constructed in areas where the temperature difference between day and night is greater than 10℃ or the daily average temperature is lower than 5℃, thermal insulation and maintenance measures should be taken.

17, when the temperature is lower than 5℃, heat preservation measures should be taken, and concrete should not be watered for curing.

18, the temperature of structural concrete shall not be lower than 5℃ in the process of hole grouting and within 48 hours after grouting, otherwise heat preservation measures shall be taken. When the temperature is higher than 35℃ during the day, grouting should be carried out at night.

19, when laying waterproofing membrane, the ambient air temperature and the temperature of the membrane should be higher than 5℃, and the temperature of the base must be higher than 0℃; When it rains, snows, and the wind force is greater than or equal to level 5, it is forbidden to construct the bridge deck waterproof layer system. When it rains in the middle of the construction, it is necessary to do a good job of protecting the periphery of the laid coil.

20, waterproof coating is strictly prohibited in rainy days, snowy days, when the wind is greater than or equal to level 5. The construction environment temperature of polymer modified asphalt solvent-based waterproof coating and polyurethane vinegar waterproof coating should be-5 ~ 35℃; The construction environment temperature of polymer modified asphalt emulsion waterproof coating should be 5 ~ 35℃; The construction ambient air temperature of polymer modified asphalt hot-melt waterproof coating should not be lower than-10℃; The ambient air temperature of polymer cement coating should be 5~35℃.