Project overview
The Mausoleum of the First Qin Emperor is a great witness of ancient Chinese civilization.，It is an outstanding representative of the ancient Chinese culture and an important carrier of the national spirit.，It's Xi'an、Cultural business cards of Shaanxi and even China。The Terracotta Warriors and Horses Highway is located in the east of Lintong District.，Connecting Lianhuo Expressway and Terracotta Warriors and Horses Scenic Area，It is an important tourist highway in Lintong District.。The existing Terracotta Warriors and Horses Special Line is a second-class automobile highway.，Has been unable to adapt to the rapid growth of traffic demand.。
The Terracotta Warriors and Horses Special Line Reconstruction and Expansion Project starts from the Terracotta Warriors and Horses Interchange of Lianhuo Expressway.，The destination is set at Hujiazhai Village, Daiwang Street.，The whole road section is 6.15 kilometers。The road after reconstruction and expansion is designed according to the standard of two-way four-lane expressway.，Make sure the road is wide，The width of the roadbed reaches 26 meters.。The implementation of this project will reduce the traffic burden of the Terracotta Warriors and Horses Scenic Area during the peak period of tourism.，As well as improving the road network structure of Lintong District has significant importance and significance.。
Fuma combination lays a good foundation for the quality level at the grass-roots level
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Grass-roots is the foundation and important part of the road.，It directly affects the overall level and service life of road construction.，Pecially for high-grade road，It also lays the benchmark for the overall road quality.。The degree of compaction is one of the key quality indexes of subgrade engineering.，It can ensure that the roadbed has enough stability and durability.，The flatness of the base layer also lays a good foundation for the subsequent paving flatness of the surface layer。
In the paving link of water-stabilized base course，The project construction party has adopted the long-tested Vogler Super 1880. L Paver，The construction operation is carried out in cooperation with the Hummer roller unit, which is the main Compactor of the fully hydraulic single-drum roller.。
Multifunctional universal Paver for paving water stable course and asphalt pavement，Super 1880 L Paving capacity up to 1000 tons/Hour，Maximum paving thickness 50 cm。Its powerful feeding system ensures uninterrupted feeding，With good pre-compaction ability and accurate automatic vertical and horizontal slope leveling system, it can easily and continuously pave a smooth water-stable base.。
Two Vogler Super 1880 were used in this water-stable paving operation. L Paver，One mechanically assembled screed，One hydraulic telescopic screed，It not only meets the needs of frequent transfer of the project, but also meets the needs of the project.，And a good solution to the expansion.、Construction width change caused by ramp and other gradual changes。
During subsequent compaction operation，Humvee HD 128 Double steel wheels、HC 228 D Single steel wheel and HD 30 VV Small Road Rollers Come Together。Among HC 228 D It's a new generation of Hummer. HC Series 20-ton full-hydraulic double-drive single-drum Road Roller，The front and rear wheels haveClose to 2：Ideal weight distribution ratio of 1，Therefore, it has more excellent compaction ability than other equipment in the same class.。Its compaction performance is enough to deal with the compaction task of large thickness of water stable layer.，There is no pressure when facing the compaction operation of the water stabilized layer with conventional thickness.。
HC Series carries advanced HAMMTRONIC Intelligent compaction control system，Accurate presetting of compaction speed，Achieve slow start and stop during compaction， Avoid “Choke bag”，“Dig a hole”The appearance of the phenomenon，O that a more uniform compaction effect can be obtained.。For the operator，More convenient and safe operation，HC 228 D RealizedIntelligent speed control function，Avoiding the possible error influence caused by manual operation of the equipment。In addition，HC 228 D It also carries an intelligent engine load system.，An ideal balance between compaction efficiency and fuel consumption is achieved，Save on fuel costs while ensuring compaction quality and efficiency。
To ensure that there are no omissions in the compaction process，The construction party also used HD 30 VV The small roller shall carry out edge rolling on the corner area.，Improve compaction quality in detail。
High-quality equipment combination，Reasonable construction organization，Make the pavement construction of the project on the premise of guaranteeing the quality，And that work efficiency is improved.。The road base with high flatness is also the flatness quality of the subsequent surface paving.，And lay a good foundation for material cost control。
