Interfacial Property of the Asphalt Concrete Pavement with Bonifiber Reinforced Overlayer

2011 ◽  
Vol 374-377 ◽  
pp. 1511-1514
Author(s):  
Yang Guo ◽  
Ying Hua Zhao
Keyword(s):  
Asphalt Concrete ◽  
Asphalt Mixture ◽  
Primary Objective ◽  
Interfacial Property ◽  
Modified Asphalt ◽  
Interface Property ◽  
The Road ◽  
Shear Property ◽  
Road Performance ◽  
Pavement Structures

Fiber reinforcement as an available attempt has been proved to be effective in improving the toughness of asphalt concrete and is becoming a new method for highway maintenance. When fiber modified asphalt mixture is used as the surface course of a reconstructive pavement, the interface bonding property between top and lower layers seems to become a crucial factor in the road performance of the long lasting pavement. The primary objective of the research is to study the influence of fiber inclusions on the interfacial shear property of the pavement. With the purpose of discussing the shear strength of the interface between Bonifiber modified asphalt mixture top layer and the normal asphalt mixture layer，the laboratory shear test was developed on MTS-810. Four kinds of double-layered cylindrical specimens were made to simulate the different pavement structures. Test results show that the overlaying with Bonifiber modified asphalt mixture improves not only the general road performance but also the interface property. It is concluded that, the interface property of pavement with fiber reinforced top layer behaves much better than that with normal asphalt concrete one.

scholarly journals Study on Laboratory Experimental Pavement Performances of SEAM Modified Asphalt Mixture

2019 ◽  
Vol 136 ◽  
pp. 03010
Author(s):  
Ma Qingna ◽  
Zhao Zhiqin ◽  
Xu Qian ◽  
Sun Feng
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Asphalt Mixture ◽  
Temperature Stability ◽  
Water Stability ◽  
High Temperature Stability ◽  
Modified Asphalt ◽  
The Road ◽  
Road Performance ◽  
Property Index

Adding sulphur dilution asphalt modifier SEAM to asphalt mixture is not only a modifier of asphalt mixture, but also an additive of asphalt mixture. When the modifier is added into the asphalt mixture, the road performance of the asphalt mixture can be improved. This paper studies SEAM modified asphalt mixture the Marshall property index, temperature stability, Water stability and fatigue feature in the Laboratory. On the based of the result of the experiment and analysis, SEAM can improve the high temperature stability, Water stability and fatigue feature. But the low temperature stability can’t improve.

Research on the Electrical Energy of Piezoelectric-Embedded Asphalt Mixture

2013 ◽  
Vol 303-306 ◽  
pp. 26-31 ◽  
Author(s):  
Ning Tang ◽  
Chang Jun Sun ◽  
Shao Xu Huang ◽  
Pan Pan ◽  
Shao Peng Wu
Keyword(s):  
Asphalt Concrete ◽  
Road Safety ◽  
Vibrational Energy ◽  
Piezoelectric Materials ◽  
Asphalt Mixture ◽  
Electrical Energy ◽  
Road Surface ◽  
The Road ◽  
Road Lighting ◽  
Road Performance

There is an important effect on road safety with no lighting facilities near the wild road. With the piezoelectric materials embedded in the asphalt concrete as the smart aggregates, the piezoelectric asphalt concrete transforms the vibrational energy of road surface into electrical energy, to supply the road lighting facilities or be stored up. In this study, the electrical energy of piezoelectric-embedded asphalt mixture by using UTM and wheel tester. The results show that PMnS-PZN-PZT ceramic doped with 0.45wt% Fe2O3 (4mm×8pieces) be embedded in the AC-10 asphalt concrete which can obtain well road performance and micropower electrical energy.

Road Performance of Warm-Mix Modified Bitumen Mixture with EC120

2014 ◽  
Vol 694 ◽  
pp. 118-122
Author(s):  
Jie Xiao ◽  
Zhi Fan Mo ◽  
Hong Xin Lu ◽  
Xian Yuan Tang
Keyword(s):  
Asphalt Mixture ◽  
Temperature Stability ◽  
High Temperature Stability ◽  
Modified Bitumen ◽  
Moisture Susceptibility ◽  
Modified Asphalt ◽  
The Road ◽  
Road Performance ◽  
The Common ◽  
Temperature Crack

A series of laboratory tests on warm-mix AC-13 dense gradation asphalt mixture with 3% EC120 were carried out by the method of identical volume. A comparative analysis of common hot asphalt mixture was performed. The results indicate that the reduction of compaction temperature of warm-mix modified bitumen mixture is 27.1°C with addition of 3% EC120. The road performances of warm-mix asphalt mixture determined by the method of identical volume satisfied the specification. Compared to the common hot asphalt mixture, the warm-mix modified asphalt mixture has excellent high temperature stability, slightly low moisture susceptibility and better low-temperature crack resistance.

scholarly journals Durability of Asphalt Concrete (ACWC) Mixed with Antistripping Additive

2021 ◽  
Vol 10 (4) ◽  
pp. 239-247
Author(s):  
Sena Kuswara* ◽  
Bagus Hario Setiadji ◽  
Jati Utomo Dwi Hatmoko
Keyword(s):  
Asphalt Concrete ◽  
Asphalt Mixture ◽  
The Road ◽  
Expected Performance ◽  
Pavement Structures ◽  
Marshall Stability

In pavement structures that are often submerged by water, the damage to pavement is often caused by the loss of bonds or adhesions between the aggregate and asphalt, the type of damage that occurs due to the loss of adhesion between the aggregate and asphalt is the exfoliation of asphalt granules so that the road is cracked and corrugated. To reduce the release of aggregate granules and improve the bond between aggregates and asphalt can be made with the addition of anti-exfoliating additives or antistripping agent additives. This study aims to analyze the performance of wear-coated concrete asphalt mixture (ACWC) with the addition of antistripping additives. Antistripping agents used in this study were Zycotherm, Morlife and Adhebit with variations of 0.1% addition, 0.3% and 0.5% of the weight of asphalt mixture. The results of this study showed that ACWC mixture with the addition of Zycotherm additives resulted in optimum Marshall stability and increased durability at 0.5% and Adhebit additives at 0.3% levels, while in Morlife additives although at 0.3% levels were able to show optimum marshall analysis in terms of increased durability did not show expected performance.

Road Performance Study on Gap-Graded and Dense-Graded of Rubber Powder Particles Modified Asphalt Mixture

2014 ◽  
Vol 900 ◽  
pp. 499-504
Author(s):  
Yu Mao ◽  
Yang Liu ◽  
Pei Wen Hao ◽  
Hai Nian Wang
Keyword(s):  
Process Parameters ◽  
Performance Indicators ◽  
Asphalt Mixture ◽  
Performance Study ◽  
Airborne Dust ◽  
Rubber Powder ◽  
Modified Asphalt ◽  
The Road ◽  
Powder Particles ◽  
Road Performance

A new type of rubber powder particle modifier can be produced by adding some performance improvement additives into the normal 40-60 mesh rubber powder and re-granulation, it proved to have better performances and less airborne dust, mixing well with base asphalt. Researching the performance indicators of rubber powder particles modified asphalt under different process parameters through the adjustment of shear temperature, shear rate, shear time and dosage of rubber powder in the process of producing rubber powder particles modified asphalt, the optimal process parameters was determined, and the road performance indicators of the modified asphalt mixture has been verified.

scholarly journals The Influence of Eggshell as Coarse Aggregate Replacement in Hot Mix Asphalt

CONSTRUCTION ◽  
2021 ◽  
Vol 1 (1) ◽  
pp. 1-11
Author(s):  
Ng Cui Ming ◽  
Ramadhansyah Putra Jaya ◽  
Haryati Awang
Keyword(s):  
Hot Mix Asphalt ◽  
Coarse Aggregate ◽  
Asphalt Mixture ◽  
Aggregate Size ◽  
Modified Asphalt ◽  
The Road ◽  
Road Pavement ◽  
Road Users ◽  
Indirect Tensile ◽  
Pavement Structures

Hot Mix Asphalt (HMA) is the most commonly used in Malaysia for highways, interstates and roads due to its flexibility, economical, strong and provide safe riding quality for road users. Over the years, the increase of damage on pavement roads in Malaysia has become a severe issue although the road did not achieve its design life. Hence, to reduce damage and defect, an improvised road pavement structures is needed. Various studies have been conducted to identify the new materials that can be used as a replacement in hot mix asphalt. In this research, the purpose is to evaluate the performance of eggshell as coarse aggregate replacement in hot mix asphalt. The gradation for aggregate used in this mixture is AC14. The weight for total mixing of the aggregates used is 1200g while the grade for bitumen is 60/70. The samples were mixed with eggshell in the various percentages of 0%, 5%, 10%, 15% and 20% by total weight of aggregate size 5mm. The laboratory tests carried out to determine the properties of aggregates included, aggregate impact value and aggregate crushing value. Besides, penetration and softening point were also performed to determine the properties of bitumen. Several types of test were conducted towards the samples, which are Marshall Test, Indirect Tensile Strength and Cantabro Test. The results exhibit that the conventional asphalt mixture is more effective than modified asphalt mixture. The replacement of eggshell as coarse aggregate was not enough improvement to the performance of asphalt pavement as the performance of conventional mixture is more stable than modified mixture.

Experimental Investigation on Performance of Fiber Asphalt Mixture

2011 ◽  
Vol 374-377 ◽  
pp. 1396-1399
Author(s):  
Ju Hong Han ◽  
Jin Jun Guo ◽  
Zhong Liu
Keyword(s):  
Asphalt Concrete ◽  
Asphalt Mixture ◽  
Pavement Performance ◽  
Mixture Ratio ◽  
Modified Asphalt ◽  
Positive Effects ◽  
Road Performance ◽  
Sbs Modified Asphalt ◽  
Comprehensive Indicator

The paper investigates positive effects of three kinds of fibers on the performance of asphalt concrete mixture, which include mineral fiber (Fiberand®), lignin fiber and polyacrylonitrile (Dolanit@AS). The contrast experiments of AC-13 SBS modified asphalt mixture added fibers were carried out. The results reveal that the pavement performance can be improved remarkably if appropriate fibers are added into the asphalt mixture. The method of determining optimum mixture ratio was proposed on the basis of road performance of asphalt concrete. It is more reasonable to adopt comprehensive indicator containing stability and dynamic stability in determination of the optimum mixture ratio of asphalt concrete.

Study on the Anti-Stripping Properties of Dry Rubber Modified Asphalt Mixture

2015 ◽  
Vol 727-728 ◽  
pp. 349-353
Author(s):  
Bo Peng ◽  
Wen Ying Li ◽  
Wei Gong ◽  
Guang Kai Yin
Keyword(s):  
Asphalt Mixture ◽  
Temperature Stability ◽  
Hydrated Lime ◽  
Engineering Practice ◽  
High Temperature Stability ◽  
Modified Asphalt ◽  
The Road ◽  
Rubber Particles ◽  
Road Performance

In the engineering practice dry rubber modified asphalt mixture is easy to strip due to the poor adhesion between the rubber particles and asphalt. This paper describes a case study where the rubber-modified asphalt mixture mixed with hydrated lime, cement to improve the adhesion between the asphalt and rubber particles, and improve the road performance of the mixture. Then the additive dosage was determined through laboratory experiment and the pavement performance was verified. The result showed that: the water stability and high temperature stability could be evidently improved with the asphalt mixture added with these anti-stripping agents. And asphalt mixture with 1.5% hydrated lime had the best anti-stripping performance.

Research on Large Partical Size and Porous Rubber Modified Asphalt Mixture Repairing Techniques Used in “White and Black” Pavement

2014 ◽  
Vol 1061-1062 ◽  
pp. 386-391
Author(s):  
Zhong Ping Yao ◽  
Zhen Bei Chen ◽  
Gong Liang Zhang ◽  
Meng Li
Keyword(s):  
Coarse Aggregate ◽  
Asphalt Mixture ◽  
Performance Characteristics ◽  
Modified Asphalt ◽  
The Road ◽  
Construction Scheme ◽  
Road Performance ◽  
Pavement Structure ◽  
And Performance ◽  
Partical Size

The paper Introduces the structure composition and performance characteristics of the large partical size and porous rubber modified asphalt mixture, analyses the road performance of mixtures, on the basis of the characteristics of higher proportion of coarse aggregate and poriness, puts forward the practical and feasible construction scheme. It will be a beneficial exploration for the development and application of the large partical size and porous rubber modified asphalt mixture in the "white and black" pavement structure.

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