Define cutback asphalt. Among different types of cutback asphalt which one would you prefer to stabilize sandy soil and why?
Define cutback asphalt. Among different types of cutback asphalt which one would you prefer to stabilize sandy soil and why?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:### Question
**b) Define cutback asphalt. Among different types of cutback asphalt which one would you prefer to stabilize sandy soil and why?**
### Explanation
Cutback asphalt is a type of asphalt that is mixed with a solvent to reduce viscosity, making it easier to work with at lower temperatures. It is commonly used in road construction and maintenance for sealing surfaces or stabilizing soils.
#### Types of Cutback Asphalt:
1. **Rapid-Curing (RC):** Uses a volatile distillate as a solvent that evaporates quickly.
2. **Medium-Curing (MC):** Utilizes a less volatile solvent, offering a moderate evaporation rate.
3. **Slow-Curing (SC):** Includes non-volatile oils, leading to a slow evaporation process.
**Preferred Type for Stabilizing Sandy Soil:**
When choosing a cutback asphalt for stabilizing sandy soil, Medium-Curing (MC) cutback asphalt may be preferred. MC asphalt offers a balance between workability and setting time, allowing for better penetration and bonding with sandy particles, which can improve stability and durability.
Expert Solution
Step 1: definition Cutback
The combination of asphalt cement and petroleum solvent is called as cutback asphalt. it has reduce the viscosity of asphalt for lower temperature uses .
It is used in controlling the dust, maintenance of pavement and cold mix pitching.
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