CALL US

+86 17838360708

Moisture stability improvement of asphalt mixture

Moisture stability improvement of asphalt mixture

Moisture stability improvement of asphalt mixture ...

Aug 10, 2020  In this research, the effect of surface characteristics of weathered SSCA on the moisture resistance of asphalt mixture was first determined. Then two

get price

Moisture stability improvement of asphalt mixture ...

Then two corresponding measures, strengthening the surface of weathered SSCA by an improved organic modification method and enhancing the bonding performance between

get price

Moisture stability improvement of asphalt mixture ...

The moisture stability improvement of asphalt mixture using S as coarse aggregate was previously studied by Chen et al. (2020). It was reported that the mechanical

get price

Moisture stability improvement of asphalt mixture ...

Jun 29, 2021  Moisture stability improvement of asphalt mixture considering the surface characteristics of steel slag coarse aggregate 领域 冶金 材料科学 硅酸盐水泥 涂层 碳酸钙 风化作用 水分 沥青 骨料(复合)

get price

Moisture Susceptibility Evaluation of Asphalt Mixtures ...

The results of both the Marshall stability test and freeze-thaw split test demonstrate that CE, SL, and SSP can improve the moisture susceptibility of asphalt

get price

Reduction of moisture susceptibility of cold asphalt ...

Mar 01, 2018  Similar with asphalt emulsions, cutback asphalt mixture also contains more air voids in the asphalt film, which possess a concern for its moisture

get price

Moisture stability improvement of asphalt mixture ...

Jun 29, 2021  Moisture stability improvement of asphalt mixture considering the surface characteristics of steel slag coarse aggregate 领域 冶金 材料科学 硅酸盐水泥 涂层 碳酸钙 风化作用 水分 沥青 骨料(复合) 填料(材料)

get price

Moisture Susceptibility Evaluation of Asphalt Mixtures ...

The results of both the Marshall stability test and freeze-thaw split test demonstrate that CE, SL, and SSP can improve the moisture susceptibility of asphalt mixtures compared with the LF group, and that asphalt mixtures containing SSP have better moisture damage resistance than those with CE, but less such resistance than those with SL.

get price

Moisture-induced damage resistance of asphalt mixture ...

Then four asphalt mixtures (two fine aggregate and two filler) were designed by Superpave procedure. Finally, the moisture stabilities of uncompacted aggregate-mastic system and compacted asphalt mixture were fully investigated, and hot water damage mode and

get price

Moisture Susceptibility of Sustainable Warm Mix Asphalt

Aug 19, 2018  4. Results and Discussion 4.1. Marshall Mix Design. A complete mix design was conducted using the Marshall method as outlined in Asphalt Institute series no. 2 [].Based upon this method, the optimum content for the asphalt cement is obtained by averaging the three asphalt cement contents which yield the maximum stability, maximum unit weight, and 4% air voids.

get price

Investigation of Moisture Sensitivity of Hot Mix Asphalt ...

Moisture damage could manifest itself in asphalt pavements either due to stripping or the softening of asphalt, both of which result in loss of ability to resist traffic- induced stresses. Asphalt concrete mix derives its strength from the cohesion of the binder, and the interlocking and frictional resistance of the aggregates. The cohesion of

get price

Study on the Durability of Bamboo Fiber Asphalt Mixture ...

Mar 28, 2021  This shows that bamboo fiber asphalt mixture has better moisture stability durability under different ageing temperatures. (4) under the same fiber, the moisture stability parameters of asphalt mixtures with different gradations are sorted from large to small as SMA-13 > SMA-16 > AC-13 > AC-16, and the change rates are completely the opposite.

get price

Influence of Segregation on Pavement Performance of ...

In terms of using the moisture stability of asphalt mixture with segregating to evaluate segregation types, the difference between 7% segregation and 13% segregation is not obvious. Meanwhile, with the increasing of segregation, the moisture stability performance of asphalt mixture

get price

蒙脱土/SBS复合改性沥青混合料路用性能研究

The investigation result shows that (1) adding montmorillonite properly can improve the high temperature performance and moisture stability of composite modified asphalt mixture,but the further improvement degree of high temperature performance is not obvious and the moisture stability decreases instead when montmorillonite dosage is too large ...

get price

陈宗武-工程学院 - CUG

Moisture stability improvement of asphalt mixture considering the surface characteristics of steel slag coarse aggregate. Construction and Building Materials 2020, 251, 118987. 2. Chen Zongwu, Jiao Yuyong, Wu Shaopeng, Tu Fubin. Moisture-induced damage resistance of asphalt mixture entirely composed of gneiss and steel slag.

get price

Improvement of asphalt concrete moisture damage resistance ...

The results show that SCA can improve the moisture resistance of the granite filler obviously; SCA can effectively improve the moisture sensitivity of asphalt mixtures, and the significance is ...

get price

Surface free energy method for evaluating the effects of ...

Abstract The moisture stability of an asphalt mixture was enhanced with cement, hydrated lime, and an anti-stripping agent (called AMR II) to improve the adhesive bond of asphalt with the aggregate. A total of eight asphalt binders and three aggregates (crushed gravel, limestone, and granite) were used for the preparation of different asphalt mixtures.

get price

Moisture Susceptibility of Sustainable Warm Mix Asphalt

Aug 19, 2018  4. Results and Discussion 4.1. Marshall Mix Design. A complete mix design was conducted using the Marshall method as outlined in Asphalt Institute series no. 2 [].Based upon this method, the optimum content for the asphalt cement is obtained by averaging the three asphalt cement contents which yield the maximum stability, maximum unit weight, and 4% air voids.

get price

Effect of Nanosilica on Moisture Susceptibility of Asphalt ...

May 18, 2021  Moisture susceptibility is a major concern about asphalt emulsion mixtures due to low mixing temperature and compaction. Therefore, herein, nanosilica was used because of its high specific surface, good dispersing ability, and strong adsorption, to improve the moisture susceptibility of asphalt emulsion mixture. The bitumen emulsion was modified with different percentages of

get price

Influence of Segregation on Pavement Performance of ...

In terms of using the moisture stability of asphalt mixture with segregating to evaluate segregation types, the difference between 7% segregation and 13% segregation is not obvious. Meanwhile, with the increasing of segregation, the moisture stability performance of asphalt mixture

get price

Improvement of asphalt concrete moisture damage resistance ...

The results show that SCA can improve the moisture resistance of the granite filler obviously; SCA can effectively improve the moisture sensitivity of asphalt mixtures, and the significance is ...

get price

Effects of Solid Powder Anti-Stripping Additives on ...

The results showed that TR-500S anti-stripping agent could significantly improve the long-term moisture stability and high temperature stability of granite asphalt mixture over those of control mixes and those containing hydrated lime, which could fully meet the requirements of heavy traffic.

get price

Grey relational evaluation on performance and mechanism of ...

Aiming to improve pavement performance of polyacrylonitrile (PAN) fiber-asphalt mixture, five PAN fiber content was selected from 0% to 0.4% by 0.1% interval to evaluate the effect on the high temperature stability, crack resistance in low temperature and moisture stability of asphalt mixture. Then the enhancement mechanism of PAN fiber reinforcing asphalt mixture was revealed by SEM at

get price

Surface free energy method for evaluating the effects of ...

Abstract The moisture stability of an asphalt mixture was enhanced with cement, hydrated lime, and an anti-stripping agent (called AMR II) to improve the adhesive bond of asphalt with the aggregate. A total of eight asphalt binders and three aggregates (crushed gravel, limestone, and granite) were used for the preparation of different asphalt mixtures.

get price

Pavement Manual: Hot-Mix Asphalt Pavement Mixtures

Anchor: #i1013899 Section 6: Hot-Mix Asphalt Pavement Mixtures Anchor: #i1013905 6.1 General. Hot-mix asphalt (HMA) is a generic term that includes many different types of mixtures of aggregate and asphalt cement (binder) produced at elevated temperatures (generally between 300-350ºF) in an asphalt

get price

Gradation Design and Performance Evaluation of High ...

Dec 30, 2020  Consequently, the high viscosity asphalt mixtures (HVAM) show a superior performance in high-temperature stability, and resistance to moisture damage of asphalt mixtures [1, 2]. The styrene–butadiene–styrene (SBS) modified asphalt mixture is one of the mostly used mixtures in the pavement construction and industry.

get price

(PDF) Mechanical Performance Characterization of Lignin ...

May 10, 2020  the prepared lignin-modified asphalt was used to prepare the asphalt mixture samples. By contrast, the lignin fibers were directly added to aggregates and asp halt to prepare the asphalt mixture ...

get price

A Laboratory Study of the Effectiveness of Various ...

Jul 01, 2006  Antistripping additives are used routinely to improve water resistance of asphalt mixtures. Different additives have different improvement effectiveness in water resistance. In this study, the effects of various additives on the moisture susceptibility of asphalt mixture are studied with the retained Marshall stability test, Lottman test, and ...

get price

Comparative Study on the Damage Characteristics of Asphalt ...

Dec 08, 2020  This paper aims to address the freeze-thaw damage characteristics of asphalt mixtures (AC-13) reinforced with eco-friendly basalt fiber, with a length of 6 mm. Based on the Marshall design method and ordinary pavement performances, including rutting resistance, anti-cracking, and moisture stability, the optimum asphalt and basalt fiber contents ...

get price

Analysis on the Impact of the Type and Content of SBS on ...

The laboratory testing results indicate that Star SBS show the more effective effects than Linear SBS to improve the high-temperature stability, low-temperature anti-cracking performance and moisture susceptibility of SBS modified asphalt mixture, and the optimum content of SBS can also play a key role the improvement of the pavement performance.

get price

Improving The Properties of Hot Asphalt Mixture By Using ...

In particular to asphalt and asphalt mixture properties, Nanotechnology has the following known benefits. Improve the storage stability in polymer modified asphalt. Increase the resistance to UV aging. Reduce the moisture susceptibility under water, snow and deicers. Improve the properties of asphalt mixtures at low temperature.

get price