（1）用搅拌机将物料卸到卡车上时，每卸一斗混合料就要移动一次卡车，以减

(1) When unloading the materials on the truck with a mixer, the truck must be moved once for each bucket of mixed material to reduce the segregation of coarse and fine aggregates. Reduce the drop distance of the storage box as much as possible. <br>(2) When the transportation time exceeds half an hour or the temperature is below 10 ° C, the truck must be covered with a tarpaulin. <br>(3) During the continuous paving process, the truck needs to be parked 10-30 cm in front of the paver and cannot hit the paver. During the unloading process, attention should be paid to the neutral gear, and advance with the progress of the paving. <br>(4) During the unloading process, the materials that can crush the hard shell, agglomerate or remain on the vehicle, and the mixture below the specified paving temperature or wetted by rain should be discarded and should not be used for this project. <br>(5) Excess mixtures shall not be used in this project unless the delivered materials can be paved and compacted during the day, or sufficient reliable lighting facilities shall be provided at the paving site, and mixtures that cannot be compacted during the day or on duty shall not be shipped on site. <br>3. Paving of the mixture <br>(1) Before laying the mixture, the lower layer must be checked to reduce pollution. Those that do not meet the requirements shall be treated, otherwise asphalt concrete shall not be laid. <br>(2) During normal construction, the paving temperature should not be lower than 135 ~ 150 ℃, the asphalt mixture should be checked before paving. If overheated materials, white materials and substandard materials are found, they should refuse to pave and return the waste products. <br>(3) The operation of the paver shall not accumulate mixed materials along the sides of the hopper. Mixtures below the specified temperature for any reason should be removed. <br>(4) For irregular pavement and other places where paver cannot work, manual paving mixture can be used. <br>(5) When it is rainy, there is accumulated water or the temperature is lower than 5 ℃, it cannot be paved. <br>4. Compaction of the mixture <br>(1) After paving and leveling the mixture, immediately check the road surface, adjust the unevenness manually in time, and then fully and evenly compact. <br>(2) The compaction should be carried out according to the compaction equipment combination and procedures determined by the test road. <br>(3) Compaction is divided into three stages: initial pressure, recompression and final pressure.<br>1) Initial pressure: Immediately after paving (high temperature rolling), complete with a static double-roller roller (2 times), the temperature is controlled at 130 ~ 145 ℃ during the initial pressure, and the light roller is used to close the vibration roller Pressure. When rolling, the drive wheels should face the paver. The rolling route and direction must not change suddenly, causing the mixture to shift. After the initial pressure, the flatness and arch should be checked, and the road arch should be repaired if necessary. <br>2) Double pressure: Double pressure immediately after the initial pressure. Adopt vibratory roller and tire roller to recompense. Generally, a vibratory roller is used for rolling 3 to 4 times, and a tire roller is rolled 4 to 6 times to achieve compactness. <br>③Final pressure: Final pressure is carried out immediately after repressing. The final pressure is rolled by a vibratory roller with closed vibration of a double-wheel roller roller to eliminate wheel marks (final pressure temperature is greater than 70 ~ 80 ℃).

(1) When the material is unloaded onto the truck with a blender, the truck is moved once for each load of mixture to reduce the separation of the coarse aggregate. Minimize the drop distance of the storage box.<br>(2) When the transport time is more than half an hour or the temperature is less than 10 degrees C, the truck must be covered with tarpaulin.<br>(3) In the continuous paving process, the truck needs to stop in front of the paver 10-30cm, can not hit the paver. In the discharge process, attention should be paid to hanging blanks, and with the progress of the paving.<br> (4) In the discharge process, the material shrivesible hard shell, clump or left on the vehicle, as well as the mixture below the specified paving temperature or wetwithd by rain, shall be discarded and shall not be used in this item.<br>(5) The project shall not use excess mixtures unless the materials delivered can be paved and compacted during the day, or sufficiently reliable lighting facilities are provided at the paving site, and the mixtures that cannot be compacted during the day or on duty shall not be transported to the site.<br>3, the paving of the mixture<br>(1) Before laying the mixture, the lower layer must be checked to reduce the pollution. Non-compliance with the requirements shall be treated, otherwise asphalt concrete shall not be laid.<br>(2) During normal construction, the paving temperature should not be lower than 135 to 150 degrees C, and asphalt mixtures should be checked before paving. Overheated materials, white materials and nonconforming materials found should be rejected for paving and returned to waste.<br>(3) The paving machine operation shall not be used to accumulate mixtures along both sides of the hopper. Mixing materials that are below the specified temperature for any reason should be removed.<br>(4) For irregular road surfaces and other pavers can not work, can use artificial paving mixture.<br>(5) When it is rainy, water is present or the temperature is below 5 degrees C, it may not be paved.<br>4, the compaction of the mixture<br>(1) After paving and scraping the mixture, immediately check the road surface, adjust the unevenness in time, and then fully compact.<br> (2) Compacting shall be carried out in accordance with the combination and procedure of the compaction equipment determined by the test road.<br> (3) Comptified three stages: initial pressure, re-pressure and final pressure.<br> 1) Initial pressure: paving immediately (high temperature crushing), with a static two-wheel roller roller (2 times) to complete, the first pressure temperature control at 130 to 145 degrees C, the first pressure using light steel wheel roller or vibration roller closed vibration crushing. When crushing, the drive wheel should face the paver. The crushing route and direction must not change suddenly, causing the mixture to shift. After the initial pressure, the flatness and archness should be checked and the road arches should be repaired if necessary.<br> 2) Repress: Repress immediately after the initial pressure. Repress with vibrating rollers and tire rollers. Generally using vibration roller crushing 3 to 4 times, tire roller crush 4 to 6 times, to achieve compactness.<br>(3) Final pressure: the final pressure is carried out immediately after the repressurization. The final pressure is crushed by a two-wheel roller roller closed vibration vibration roller to eliminate the wheel (the final pressure temperature is greater than 70 to 80 degrees C).

(1) When the material is unloaded to the truck by the mixer, the truck shall be moved once for each bucket of mixture unloaded to reduce the segregation of coarse and fine aggregate. Minimize the drop distance of the storage box.<br>(2) When the transportation time is more than half an hour or the temperature is lower than 10 ℃, the truck must be covered with tarpaulin.<br>(3) In the process of continuous paving, the truck needs to stop 10-30cm in front of the paver, and can not impact the paver. In the unloading process, pay attention to the neutral gear and move forward with the advance of paving.<br>(4) During unloading, materials that can crush hard shell, agglomerate or remain on the vehicle, and mixtures that are lower than the specified paving temperature or wetted by rainwater shall be discarded and shall not be used in this project.<br>(5) Surplus mixtures shall not be used in the works unless the materials delivered can be spread and compacted during the day, or sufficient and reliable lighting facilities can be provided at the spreading site, and mixtures that cannot be compacted during the day or on duty shall not be transported to the site.<br>3. Spreading of mixture<br>(1) Before laying the mixture, the lower layer must be checked to reduce pollution. If it does not meet the requirements, it shall be treated, otherwise asphalt concrete shall not be laid.<br>(2) During normal construction, the paving temperature shall not be lower than 135-150 ℃, and the asphalt mixture shall be inspected before paving. If overheated materials, white materials and unqualified materials are found, they shall be rejected for spreading and returned to waste products.<br>(3) The paver operation shall not stack the mixture along both sides of the hopper. Mixtures below the specified temperature for any reason shall be removed.<br>(4) For irregular roads and other places where the paver cannot work, the mixture can be spread manually.<br>(5) It is not allowed to pave in rainy days, when there is accumulated water or when the temperature is lower than 5 ℃.<br>4. Compaction of mix<br>(1) After paving and scraping the mixture, check the pavement immediately, adjust the unevenness manually in time, and then fully and evenly compact it.<br>(2) Compaction shall be carried out in accordance with the combination of compaction equipment and procedures determined by the test road.<br>(3) Compaction is divided into three stages: initial compaction, secondary compaction and final compaction.<br>1) Initial rolling: immediately after paving (high temperature rolling), use static double wheel roller (twice) to complete, and control the temperature at 130-145 ℃ during initial rolling, and use light steel wheel roller or vibration roller to close vibration rolling. When rolling, the driving wheel shall face the paver. The rolling route and direction shall not be changed suddenly, resulting in the displacement of the mixture. After the initial compaction, the flatness and camber shall be checked, and the road camber shall be repaired if necessary.<br>2) Recompression: recompression immediately after initial pressure. Vibration roller and tire roller are used for re compaction. Generally, vibrating roller is used for rolling for 3-4 times and tire roller for 4-6 times to achieve compactness.<br>③ Final pressure: the final pressure shall be carried out immediately after recompression. The final rolling shall be carried out by the vibratory roller with closed vibration of two wheel roller to eliminate wheel trace (the final rolling temperature is higher than 70-80 ℃).