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Features of the Rotary Compaction Tester
The rotary compactor boasts several key features: a lighter weight, a smaller footprint, a compact design, a steel frame structure, a stable electronic control system, and a quiet operating environment. This rotary compactor model can compact asphalt specimens to a specified height or for a predetermined number of rotations. During each rotation, the angle is precisely recorded to ensure accuracy. If you wish to adjust the rotation angle, you can do so conveniently via buttons. The model can store up to 20 sets of test data, features a large-size backlit display, and includes a USB port for printing or exporting test data.
2012-08-01
Application of Cast-in-Place Asphalt Mixtures
Pour-in-place asphalt mixtures are particularly well-suited for paving steel bridge decks. The Jiangyin Yangtze River Bridge in China and the Tsing Ma Bridge in Hong Kong were among the first bridges to adopt this type of pavement. Subsequently, it was also used for the steel bridge deck pavement of the Shandong Shengli Yellow River Bridge. Further applications include the Ziya River Bridge in Tianjin, the Donghai Bridge, the Changping Bridge in Foshan, the Sanzhi Fan Bridge in Changsha, the Caiyuanba Bridge in Chongqing, and the Anqing Bridge. In addition, pour-in-place asphalt concrete offers the possibility of ultra-thin pavements and serves as an effective intermediate layer to prevent reflective cracking, demonstrating excellent stress-absorbing capabilities.
2012-07-27
Characteristics of Cast-in-Place Asphalt Mixtures
Pourable asphalt mixtures differ from other types in that they consist of high-content, high-viscosity asphalt, a high dosage of mineral powder, and sometimes fiber materials, all combined with an appropriate amount of aggregate.
2012-07-20
Advantages of Cast-in-Place Asphalt Mixtures
Pour-in-place asphalt mixtures are dense, impermeable, highly durable, and exhibit excellent adhesion and viscoelastic properties. They have strong adaptability to deformation and show excellent compliance with the deformation of steel bridge decks. These mixtures feature a high mineral powder content, a high asphalt content, high mixing temperatures, and stringent technical requirements for raw materials. Their key advantages include: 1. They exhibit viscoelastic behavior and are insensitive to shock waves; 2. The binder is resistant to aging, ensuring superior durability; 3. They are both impermeable and non-absorbent, thus avoiding water damage; 4. They possess excellent resistance to low-temperature cracking.
2012-07-18