Prediction of water evaporation and stability of cold asphalt mixtures containing different types of cement

Saadoon, Tahseen; Gómez-Meijide, Breixo; García, Álvaro

doi:10.1016/j.conbuildmat.2018.07.218

Cited by 39 publications

(17 citation statements)

References 19 publications

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“…It can be observed that the specimens with higher emulsifier content lost more water, while the water loss increased with b/c. As usual for this type of material, the loss of water was most prominent in the first few days of curing [40,55,56,57,58]. Even after 28 days of curing, the specimens contained a significant amount of water that is expected to have a direct effect on their mechanical properties.…”

Section: Loss Of Watermentioning

confidence: 75%

Mechanical behaviour of bitumen emulsion-cement composites across the structural transition of the co-binder system

Miljković

Poulikakos

Piemontese

et al. 2019

Construction and Building Materials

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The aim of this research was to understand the dependence of the mechanical behaviour of bitumen emulsion-cement composites on the structural transition of the co-binder system. The experimental programme mainly consisted of cyclic indirect tensile testing at a range of temperatures and frequencies, integrated by X-ray microtomography. The results showed the existence of a critical composition of the co-binder system at the bitumen to cement ratio between 1 and 2 at which the mechanical behaviour transformed from cement-dominated to bitumen-dominated. This was caused by both the percolation of the bituminous phase and the pore space, and the volume contraction of the co-binder system. However, this critical composition did not directly match with the percolation of the phases on the length scale of the mesostructure, but likely corresponded with the volumetric content of all elastic phases, with the aggregate playing a fundamental role.

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Section: Loss Of Watermentioning

confidence: 75%

Mechanical behaviour of bitumen emulsion-cement composites across the structural transition of the co-binder system

Miljković

Poulikakos

Piemontese

et al. 2019

Construction and Building Materials

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“…PC can also improve the mechanical performance of cold asphalt mixtures [18]. Niazi and Jalili [19] studied cold in-place recycled mixtures with asphalt emulsion that had powdered PC as an additive.…”

Section: Pc In Asphalt Mixturesmentioning

confidence: 99%

Evaluation of Hot-Mix Asphalt Containing Portland Cement Treated Blast Furnace Slag

Quintana

Ruge

Bastidas-Martínez

2019

Archives of Civil Engineering

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Iron production’s waste materials include significant quantities of blast furnace slag (BFS) which could potentially be used as a substitute for natural aggregates in hot mix asphalt (HMA) used in highway projects. Although many of properties of slag are interesting, its porosity and absorption rate would lead to greater consumption of asphalt. For this study, a Portland cement (PC) paste was used to reduce the porosity of a BFS. This PC treated BFS (called BFS-C) was then used in an HMA to replace the coarse fraction of a natural aggregate. Marshall, Indirect Tensile Strength (ITS), resilient modulus and Cantabro tests were then carried out on different HMA mixtures that included BFS-C. Using BFS-C, HMA’s resistance under monotonic loading, stiffness under cyclic loading, and resistance to moisture damage increased remarkably. In addition, the Cantabro abrasion resistance of BFS-C improved was better than that of the HMA mixture produced with untreated BFS.

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“…Thus, the drying behavior of bitumen emulsion as well as its corresponding mixtures, which can greatly dominate the strength development of bitumen emulsion mixture, is being gained concerns recently. In the aspect of the drying of bitumen emulsion mixture, Saadoon et al investigated the water evaporation process of bitumen emulsion mixtures with different types of cement [ 10 , 11 ]. They found that the Marshall stability of the bitumen emulsion mixture had a good relationship with its water evaporation.…”

Section: Introductionmentioning

confidence: 99%

“…They found that the Marshall stability of the bitumen emulsion mixture had a good relationship with its water evaporation. Therefore, although the addition of cement (especially for rapid hardening cement) can greatly increase the early Marshall stability of the bitumen emulsion mixture, it cannot shorten the drying process of the mixture [ 11 ]. Thus they believed that bitumen emulsion was the main component influencing the drying process of the mixture [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Mechanism Influencing the Drying Behavior of Bitumen Emulsion

Ouyang

Dou³

et al. 2021

Materials

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The drying process of bitumen emulsion largely dominates the strength development of emulsion-based mixtures for pavement structure, thus it can be used to judge the quality of bitumen emulsion. However, the drying behaviour of bitumen emulsions was seldom considered. The emulsion drying and film formation theory are employed to study the drying process of different bitumen emulsions with a thin layer. Results indicated the drying process of bitumen emulsion can be divided into three stages: (a) an initial high evaporation rate stage; (b) an intermediate stage with a rapidly decreasing evaporation rate; (c) a final stage with a very small evaporation rate. The boundaries among the three stages can be identified by studying the water evaporation rate. Three drying parameters, i.e., the critical volume fractions of bitumen defining the boundaries among the three stages and the maximum packing fraction of bitumen droplets, are proposed to quantitatively characterize the drying behavior of bitumen emulsion. High values of these parameters indicate a bitumen emulsion that has rapid drying behavior. Therefore, these parameters are independent of the emulsifier type, but they are highly dependent on the bitumen’s droplet size. These drying parameters increase with a decrease in bitumen droplet size. Therefore, bitumen emulsion with a smaller size distribution of bitumen droplets can have a more rapid drying behavior, which is recommended in real engineering.

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Prediction of water evaporation and stability of cold asphalt mixtures containing different types of cement

Cited by 39 publications

References 19 publications

Mechanical behaviour of bitumen emulsion-cement composites across the structural transition of the co-binder system

Mechanical behaviour of bitumen emulsion-cement composites across the structural transition of the co-binder system

Evaluation of Hot-Mix Asphalt Containing Portland Cement Treated Blast Furnace Slag

Mechanism Influencing the Drying Behavior of Bitumen Emulsion

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