Laboratory evaluation of the effect of nano-organosilane anti-stripping additive on the moisture susceptibility of HMA mixtures under freeze–thaw cycles

Ameri, Mahmoud; Kouchaki, Sareh; Roshani, Hossein

doi:10.1016/j.conbuildmat.2013.07.030

Cited by 58 publications

(21 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The optimum percentages of each additive and its mixing temperature with binder have already been obtained and proposed in previous research studies [24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41]. The main specifications of each modifier are briefly outlined in the following.…”

Section: Mixing Procedures Of Additivesmentioning

confidence: 99%

“…Since lime and cement are brittle at low temperature, the use of anti-stripping agent provides better performance for the asphalt mixture. Moreover, reducing the bitumen viscosity and improving the mixing and compacting condition of asphalt mixtures are some other advantages of the anti-stripping agent modifier [40,41]. The optimum percentage of anti-stripping agent has been reported in the range of 0.3-0.5% weight of bitumen [41].…”

Section: Introductionmentioning

confidence: 97%

See 1 more Smart Citation

Effect of temperature and air void on mixed mode fracture toughness of modified asphalt mixtures

Aliha

Fazaeli

Aghajani

et al. 2015

Construction and Building Materials

159

View full text Add to dashboard Cite

Section: Mixing Procedures Of Additivesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Effect of temperature and air void on mixed mode fracture toughness of modified asphalt mixtures

Aliha

Fazaeli

Aghajani

et al. 2015

Construction and Building Materials

159

View full text Add to dashboard Cite

“…Nanomaterials are defined as materials with at least one dimension that falls in the length scale of 1 -100 nm. Due to the small size and high surface area, the property of nanomaterials is very different from normal size materials [3]. To demonstrate many of the prospective applications, researchers have conducted a series of positive and effective efforts dealing with the preparation of modified asphalt to demonstrate the mechanism of modification and the resultant improvement in performance [2].…”

mentioning

confidence: 99%

“…To demonstrate many of the prospective applications, researchers have conducted a series of positive and effective efforts dealing with the preparation of modified asphalt to demonstrate the mechanism of modification and the resultant improvement in performance [2]. Some researches showed that fatigue cracking, rutting and moisture resistance of asphalt binders and mixtures are improved with the addition of nanomaterials [3]. Ghafarpoor [4] carried out comparative rheological tests on bitumen and mechanical tests on asphalt mixtures containing unmodified and nanoclay modified bitumen.…”

mentioning

confidence: 99%

The Effect of Nano-Materials on Hot Mixture “Asphalt-Concrete”

Ibrahim¹,

Mehan²

2015

OJCE

View full text Add to dashboard Cite

During the past years different researchers have studied the causes of failure of flexible pavements and they offered variety of alternatives for solving these failure problems such as rutting, fatigue and low temperature cracking which are sourced from moisture susceptibility and also temperature sensitivity of either asphalt, aggregate or the asphalt mixture as a whole. This study is conducted to determine the optimum amount and potential applicability of zycotherm nanomaterial in asphalt and asphalt concrete mixtures with two different systems: directly applying to bitumen and diluting and applying to aggregate in order to address the solution of potential failure problems in flexible pavements. The study is carried out experimentally by conducting tests on bitumen and bituminous mixtures. Tensile strength test and retained stability tests were performed on bituminous mixture in order to measure the tensile strength ratio (TSR) and the retained stability index (RSI), which are both the indexed parameters to determine the mixture resistance to de-bonding and disintegration in the presence of water. Penetration, softening point, RTFOT, PAV, BBR and DSR tests were also performed on bitumen to determine the effect of zycotherm on bitumen's contribution on rutting, fatigue and low temperature cracking of the mixture. It is found that using zycotherm material greatly increases the resistance of asphalt mixture to moisture induced damages and also increases its resistance to rutting, fatigue and low temperature cracking.

show abstract

“…The freeze-thaw resistance of composite modified asphalt mixture was studied by measuring the mesoscopic void volume, stability, indirect tensile stiffness modulus, splitting strength, uniaxial compression static, and dynamic creep rate. The equal-pitch gray prediction model GM (1,3) was also established to predict the pavement performance of the asphalt mixture. It was concluded that the high-and low-temperature performance and water stability of nano-TiO 2 /CaCO 3 and basalt fiber composite modified asphalt mixture were better than those of an ordinary asphalt mixture before and after freeze-thaw cycles.…”

mentioning

confidence: 99%

Pavement Performance Investigation of Nano-TiO2/CaCO3 and Basalt Fiber Composite Modified Asphalt Mixture under Freeze‒Thaw Cycles

Gong

Tian

et al. 2018

Applied Sciences

View full text Add to dashboard Cite

The objective of this research is to evaluate the pavement performance degradation of nano-TiO 2 /CaCO 3 and basalt fiber composite modified asphalt mixtures under freeze-thaw cycles. The freeze-thaw resistance of composite modified asphalt mixture was studied by measuring the mesoscopic void volume, stability, indirect tensile stiffness modulus, splitting strength, uniaxial compression static, and dynamic creep rate. The equal-pitch gray prediction model GM (1,3) was also established to predict the pavement performance of the asphalt mixture. It was concluded that the high-and low-temperature performance and water stability of nano-TiO 2 /CaCO 3 and basalt fiber composite modified asphalt mixture were better than those of an ordinary asphalt mixture before and after freeze-thaw cycles. The test results of uniaxial compressive static and dynamic creep after freeze-thaw cycles showed that the high-temperature stability of the nano-TiO 2 /CaCO 3 and basalt fiber composite modified asphalt mixture after freeze-thaw was obviously improved compared with an ordinary asphalt mixture. adhesion between the asphalt binder and sensitive aggregate against moisture damage [4]. Nano-TiO 2 is a commonly used nanomodified material. Shafabakhsh et al. found that nano-TiO 2 could effectively improve the viscosity, anti-rutting, and anti-fatigue properties of asphalt mixture [5]. Sadeghnejad et al. used nanomaterials to modify SMA and the test results showed that nano-TiO 2 could improve the anti-rutting ability and splitting strength ratio and prolong the service life of an asphalt mixture [6]. Nazari et al. evaluated the microstructure and chemical properties of nanocomposite modified asphalt by X-ray and scanning electron microscopy. It was found that the addition of nanomaterials improved the fatigue resistance of asphalt mixture [7].There are many kinds of fiber modifiers used in asphalt mixtures in recent years, such as polyester fiber, lignin fiber, carbon fiber, glass fiber, basalt fiber, etc. Different fiber modifiers have their own advantages and disadvantages. The low-temperature crack resistance of asphalt mixture is the main problem in the frozen region of northeast China. Compared with other fibers, basalt fiber is a mineral fiber that is abundant and easy to obtain in northeast China. Also, it will not cause environmental pollution. Basalt fiber has some advantages in terms of modifying road performance of asphalt mixtures. Zheng studied the pavement performances of basalt fiber, lignin fiber, and polyester fiber modified asphalt mixtures and found that the performance of the basalt fiber modified asphalt mixture was superior to that of the others [8,9]. Morova et al. studied the usability of basalt fibers in order to bear the stresses occurring at the surface layer of pavement and the optimum value of the fiber ratio leading to the optimum stability value was determined [10]. Chen found that basalt fiber, at the optimal fiber content, could improve the water stability and high-temperature stability of the asphalt mi...

show abstract

Laboratory evaluation of the effect of nano-organosilane anti-stripping additive on the moisture susceptibility of HMA mixtures under freeze–thaw cycles

Cited by 58 publications

References 19 publications

Effect of temperature and air void on mixed mode fracture toughness of modified asphalt mixtures

Effect of temperature and air void on mixed mode fracture toughness of modified asphalt mixtures

The Effect of Nano-Materials on Hot Mixture “Asphalt-Concrete”

Pavement Performance Investigation of Nano-TiO2/CaCO3 and Basalt Fiber Composite Modified Asphalt Mixture under Freeze‒Thaw Cycles

Contact Info

Product

Resources

About