Carry out Test pavement of Semi Flexible – STP
The Rutting and damage of pavement is always the subject and attract so much attention on the media in Vietnam last time. Specially in the road which have large traffic, crossroads, bus stop, harbor …
For study the solutions to prevent rutting and pavement damage in areas which have extreme traffic conditions and after get permission from Da nang Transport of Department. We (Taiyu Kensetsu and BK ECC) carried out to test pavement of Strong Pave (Semi – Flexible) using STP.
- Test pavement date: 10th and 11th Sept 2017
- Location: Vo Chi Cong street – Da Nang city
Used material
- STP – Taiyu
- Asphalt 60/70 of Petrolimex
- Aggregate 12,5mm from Ho Chon quarry – Da nang city
- Cement PCB40 – Song Gianh.
Semi-flexible pavement is a pavement combining both of flexibility and rigidity, which asphalt pavement and cement concrete pavement have respectively. The characteristics of the semi-flexible pavement are brought by filling the air voids of more than 20% of an open graded asphalt pavement by special cement milk. And Strong Pave, STP, is a cement milk modifier for semi-flexible pavement.
- The semi-flexible pavement can enhance the resistance to plastic deformation (anti – Rutting)
- The semi-flexible pavement can enhance the oil-resistance and the heat-resistance.
- By coloration of the cement milk, asphalt pavement can be easily changed into color pavement.
We sure that, this technology is able to contribute to prevent rutting and pavement damage not only in Da Nang city but also whole province of Vietnam.
Before carry out test pavement by STP
Carry out open graded asphalt pavement (air void about 24%)
Carry out cement milk – STP
The pavement surface after carried out cement milk – STP
Bending and compression test result match standard (Semi – Flexible) – STP
Cement milk – STP fully filled in air void.
Link for Procedure of Carry out Semi Flexible – STP
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