Research Article
Mechanical Properties of Fiber Reinforced Lightweight Concrete Containing Surfactant
Table 1
Properties of fibers.
| | 
 |  | Types | Modulus of elasticity (GPa)
 | Length (in)
 | Diam- eter
 (in)
 | Reinforcing index ()
 |  | 
 |  | Polypropylene | 4.3 | 2.0 | 0.011 | Vf·181 |  | Carbon | 228 | 0.532 | 0.0003 | Vf·1776 |  | 
 | 
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