Site Video | Practical Work Shows Strength: On-the-spot Report on the Construction of the Reconstruction and Expansion Project of Beijing-Kunming Expressway by the Pavement Corps of Wirtgen Group

Site Video | Practical Work Shows Strength: On-the-spot Report on the Construction of the Reconstruction and Expansion Project of Beijing-Kunming Expressway by the Pavement Corps of Wirtgen Group

November 02, 2023

September 28, 2023,The opening ceremony of the reconstruction and expansion project of Pucheng-Laoyu section of Beijing-Kunming Expressway, which attracted much attention from all walks of life, was held at Fuping Toll Station of Xiyu Expressway.,At the same time,This also marks the successful completion of the Beijing-Kunming Expressway reconstruction and expansion project, which was constructed by Shaanxi Traffic Control Group in a three-year cycle.,Achieve eight-lane traffic conditions on time and in good quality。

Below, Xiaowei recorded some pictures of the hot construction scene on the construction site.,Let Uyghur fans feel the magnificent road construction process of this project.。

Reconstruction and expansion of Pucheng-Laoyu section of Beijing-Kunming Expressway, with a total length of 125.88 km,The route of the expansion project is long、Large volume、The difficulty is high、The construction period is tight,The process is complicated,Cross construction is frequent,Traffic conversion during construction、Traffic is under great pressure.,In order to avoid delay in construction period,Yeah, people、Equipment and Operations Management,It's a huge test.。

Work hard to witness true strengthMore than 70 complete sets of pavement equipment of Wirtgen Group

Due to the complicated process、The construction period is tight,There are many months during the construction of the road surface.,Construction equipment requires high-intensity 24-hour operation.。Therefore, high requirements are put forward for the performance of equipment in multiple links such as milling, spreading and pressing.,After all, it is not difficult for a device to achieve high efficiency in a short time.,It is necessary to maintain stable and high-yield output of the equipment under the condition of long-term and high-intensity operation.,That is the time to witness the real strength.。

According to statistics,ContractorVogler paver is used for the whole line. 26 sets、About 35 Hummer Rollers、About 11 Wirtgen milling machines、SThere are more than 70 sets of Wirtgen Group pavement equipment, including 15 slipform pavers.。

During construction,Complete equipment team composed of road surface equipment of Wirtgen Group,Lay the foundation of flatness from milling、To loose paving flatness,From good pre-compaction degree to final compaction degree formed by multiple rolling,The construction of each link realizes the polymerization effect of the same frequency resonance.,Efficient Collaboration Helps Construction Parties Complete Construction Tasks with Quality and Quantity。


New models play the main roleOutstanding performance from base to surface

Pavement construction splicing,One is to complete the pits in the old road lanes.、Treatment of cracks and other diseases,Ensure that the original lane meets the driving requirements;The second is to mill the spliced part of the old pavement.,Level 3 base course completed、Construction of surface course,The middle lay of that base layer and the surface lay is additionally paved with a reinforced mesh,Ensure that the splicing strength of new and old pavement is consistent。

This time, from the previous milling steps,,Milling and removing the damaged part of the original old road lane,As well as milling and planing at the joints of old roads.,Wirtgen's new generation of large milling machine is adopted. W 195 / W 205 / W 215。

This series of models is not only powerful.,The yield is high,It maintains the high stability performance of Wirtgen milling machine.,Carry high precision LEVEL PRO PLUS Automatic leveling system,It lays a good foundation for the next paving operation。

Pictures are reprinted from“Shaanxi Road and Bridge Group Pavement Engineering Co., Ltd.”Wechat official account

High quality starts from the foundation.。In the construction of water stable structure layer,Features the proven Vogler Super 1880 L The general paver is responsible for paving the water-stabilized materials.,The main compaction equipment is equipped with a number of Hummer's new generation of fully hydraulic single-drum road rollers. HC 228 D。

This 22-ton single-drum roller,Adopt full hydraulic dual-drive,Three-point hinge structures,The front and rear axles are close to 2:Weight distribution of 1,It has very strong compaction performance.,Even if the realization of 50 cm There is no pressure in the compaction operation of the water-stabilized layer with large thickness.,In this project, we should deal with 20-30 cm The compaction operation of the water stable layer with conventional thickness is naturally easy.。

This series of models are equipped with Hummer's advanced HAMMTRONIC Intelligent compaction control system,With continuous control of vibration frequency,Anti-skid、Flexible start and stop of equipment、A series of automatic control functions such as compaction, cruise and constant speed,More uniform compaction,See quality for details。

After that, the paving operation of the surface layer is completed efficiently by the Vogler paver.。Among them, Super 2180 Li Paver is a brand new product specially developed for the Chinese market.,Classic model of large paver,Its excellent paving performance has been proved.。Even if it is a large width of coarse material,It is also easy to pave a smooth road surface without segregation.。

Wittgen China,Praise 115

The rest of the models responsible for paving the surface layer are Vogler Super 3000.-3i、Super 2180-3 Li。Vogler Super 3000-3i Belonging to super-large width level,Paving capacity up to 1800 t/h,18 can be achieved m Pavement full-width single-machine one-step paving forming, It is a comprehensive reflection of the strength of Fogler's paving.。

And Super 2180-3 Li It belongs to the high-end model of large paver level.,It has a paving capacity of 1100 tons per hour。Equipped with enhanced and optimized feeding and distributing system,Design details such as new anti-segregation package configuration,Ffectively prevent segregation,Ensure the paving quality。

Several Hummer double steel wheels followed the Vogler paver.,That includes HD 138i VV A New Generation of China No.4 Double Steel Wheel Roller,This new model with double steel wheels is due to the heavy weight of the fuselage.,60 Hz Optimized high frequency vibration system with strong compaction capability,Under the condition that the flatness is guaranteed,High speed compaction of the upper layer can be achieved,The surface layer is ensured SMA Material's stringent requirements for spreading and compaction temperatures。

Wittgen、Fogler、The combination of Hummer ensures the smooth opening of the project by virtue of its efficient and stable construction performance and smooth and dense construction quality.。In addition,The successful opening of the reconstruction and expansion project of Beijing-Kunming Expressway is another empirical test of the reliability and high performance of the equipment of Wittgen Group.。

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