Study the Using of Reed Mats in Asphalt Pavement Layers

Ahmed, Lamia A.; Sabri, Ammar Fakhir

doi:10.28991/cej-030996

Cited by 6 publications

(4 citation statements)

References 5 publications

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“…Soil settlement is a significant difficulty when coping with subsoil construction projects such as roadways, housing, and slope projects. Buildings often collapse significantly owing to the increase in porosity and weak shear strength caused by the lacking characteristics of soft soil [12]- [15]. A certain amount of settlement is unavoidable when constructions are constructed on expansive soil.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Optimum Utilization of Silica Fume and Lime On the Stabilization of Problematic Soils

Zaini,

Hasan

2023

IJIE

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Chemically stabilized soil studies have revealed that the efficiency of stabilization is primarily depends on the natural environment of the soil. Problematic soils such as silt and clay do not satisfy the standards for structural applications at this stage because under relatively mild stress conditions, the soils can expand, collapse, disperse, settle excessively, or even fail which can lead to structural failure. Moreover, the improvement of kaolin soil stays a test because of the significant expense and non-eco-accommodating material such as concrete. This study aims at the kaolin soil stabilization by utilizing 4% and 6% of silica fume and several percentage inclusion of lime. The lime percentages of 3%, 5%, 7%, and 9%, whereas the ratio of silica fume is set at 4% and 6%. The primary goal of this study is to increase the shear strength of soft kaolin soil blended with 4% and 6% of silica fume (SF) and varying amounts of lime (L). The soil parameters were evaluated for kaolin soil alone and for 4% and 6% of silica fume blended with varying percentages of lime. The findings disclose that the optimal percentages of silica fume and lime in terms of maximum shear strength at 176.91 kPa of improvement were 4% and 7% respectively due to the pozzolanic reaction between silica fume and lime was more successful with soil particles. The combination of silica fume and lime blended with the kaolin soil can highly enhanced the strength of the soil up to 88.10% compared to the lime and silica fume mixed alone with the optimal proportion of 4% of silica fume and 7% of lime which can reduce the environmental pollution with the reduction in carbon dioxide emission during production and provides economic benefits due to the low cost of materials.

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Section: Introductionmentioning

confidence: 99%

“…Expansive soils concerns include limited load carrying capacity, severe projected settlement, and generally poor structural stability of buildings made on such soil. Soils that are weak, moist, and fine-grained have such a weak shear strength and a high porosity [12]- [15].…”

Section: Introductionmentioning

confidence: 99%

Effect of Optimum Utilization of Silica Fume and Lime On the Stabilization of Problematic Soils

Zaini,

Hasan

2023

IJIE

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“…Ahmed et al, [13] Used the reed mats in different positions, and stated the maximum improvement ratio occurs when using two mats which located at the middle and the bottom of the wearing layer.…”

Section: Last Studiesmentioning

confidence: 99%

Using the Mats of Palm Fronds in Reinforcement Pavement Layers

Ahmed,

Albadran,

Alsaad

et al. 2023

Civil and Environmental Engineering

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Pavement distresses are among the major problems that affects to a decisive extent on the using (operational capacity) the roads and reducing their service life. Therefore, its require to limitation this distresses and knowing the reasons that lead to appearing this distresses and give the correction during the construction of roads. The major distresses is the rutting which increases at intersections and the check points when the vehicle is stopping. The reinforcement pavement layer became an important step of design and the reconstruction of pavement layers which is control of almost distress, reduce the maintenance cost, and provide long service life of roads. In this study will study using the mats of palm fronds in reinforcement pavement layers instead industrial materials due to existence the palms with large quantity in Iraq. The result display the using the mats of palms fronds reduce the rutting percent 96.7, 88.3, 83.3 at 40, 50, 60 ºC respectively at surface course according the test by wheel track machine.

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“…A reliable statewide pavement-performance study was done using a confidence evaluation system [10]. An approach to pavement treatment selection using a fuzzy logic inference system was presented [11]. Pavement performance prediction was done through fuzzy logic using the Marine Corps air station [12].…”

Section: Introductionmentioning

confidence: 99%

Performance Assessment of Flexible Pavements: Fuzzy Evidence Theory Approach

2020

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Pavement performance evaluation is one of the most important steps of the pavement management system. It consists of identifying pavement condition according to various distresses occurs in the pavement surface. Data collection in performance assessment of road is done in several ways. An attempt has been made to address the problem and a new formalism is proposed for performance assessment of flexible pavements. Vagueness in the perception of expert for performance assessment of pavement based on techno-scientific parameters in linguistic terms for the domain base usage coupled with impression in parametric data calls for the application of fuzzy modeling. For this study fuzzy evidence theory weightage method “Dempster’s Shafer’s (D-S)” is applied to determine the Pavement Condition Distress Index (PCDI) of flexible pavement. D-S theory provides a designed framework to overcome the risk of uncertainty and ignorance. For the assessment of pavements five major structural indicators like longitudinal cracks, transverse cracks etc. and eleven major functional indicators like potholes, rutting, patching etc. are considered. Expert opinion is taken from the experts who are involved in the field of transportation engineering. Questionnaire Survey methodology has been adopted for the collection of experts opinions. Five linguistic terms are used for the same, which are, ‘Very important’, ‘Important’, ‘Average’, ‘Less important’ and ‘Not Important’. Based on PCDI, Pavement Condition Index (PCI) is calculated. The rating of flexible pavements is also done based on PCI. For the application of the model, five road segments of MIDC Chakan, Pune area is considered. PCI of all the road segments is determined by using the stated index. Based on PCI value, road segment 1 rated 5 with less PCI value and road segment 4 rated 1 with high PCI value. The defined method is also compared with the rating system given in Indian Road Congress (IRC -82-2015).

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Study the Using of Reed Mats in Asphalt Pavement Layers

Cited by 6 publications

References 5 publications

Effect of Optimum Utilization of Silica Fume and Lime On the Stabilization of Problematic Soils

Effect of Optimum Utilization of Silica Fume and Lime On the Stabilization of Problematic Soils

Using the Mats of Palm Fronds in Reinforcement Pavement Layers

Performance Assessment of Flexible Pavements: Fuzzy Evidence Theory Approach

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