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Title: Mechanical properties of slag sand mixture used in road pavements // Magazine of Civil Engineering. – 2021. – № 8 (108). — С. 10806
Creators: Cherfa H.; Nechnech A.; Saoudi N.; Ait Mokhtar K.
Imprint: 2021
Collection: Общая коллекция
Subjects: Транспорт; Автомобильные дороги; slag-sand mixtures; road surfaces; mechanical properties; road construction; dune sands; granular slag sands; шлакопесчаные смеси; дорожные покрытия; механические свойства; дорожное строительство; дюнные пески; гранулированные шлаковые пески
UDC: 625.7/8
LBC: 39.31/32
Document type: Article, report
File type: PDF
Language: English
DOI: 10.34910/MCE.108.6
Rights: Свободный доступ из сети Интернет (чтение, печать, копирование)
Record key: RU\SPSTU\edoc\67993

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Group: Anonymous

Network: Internet

Annotation

Today the road has become a necessity and an important factor in the economic and social development of nations. Algeria knows the realization of many grandiose road projects that required large quantities of noble materials such as aggregates and crushed sands and which unfortunately are becoming increasingly rare. The inability of Algerian quarries to supply these materials is a reason for the valorization of industrial waste and local materials that are in abundance. Among these materials, we find granulated slag and dune sand. Our study presents valorization of these two materials through a formulation and characterization of slag sand mixture composed of dune sand treated with different percentages of granulated blast furnace slag, which acts as a hydraulic binder. The results obtained show that this treatment improves the cohesion and mechanical properties of sand dune, which allows its use in road engineering, particularly in the pavement layers.

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Table of Contents

  • Mechanical properties of slag sand mixture used in road pavements
    • 1. Introduction
    • 2. Materials and methods
      • 2.1. Materials
  • 2.1.1. Granulated blast furnace slag GBFS
  • 2.1.2. Dune Sand DS
  • 2.1.3. Crushed Sand CS
  • 2.1.4. Lime
    • 2.2. Methods
  • 2.1.5. Slags and mixtures formulation methodology
  • 2.1.6. Compaction test
  • 2.1.7. Californian Bearing Ratio (CBR) test and simple compression test
  • 2.1.8. Unconsolidated undrained triaxial test
    • 3. Results and Discussions
      • 3.1. Determination of Proctor characteristics
      • 3.2. Determination of the immediate bearing index (IBI)
      • 3.3. Effect of GBFS on the compressive strength of SS
      • 3.4. The stress- strain behavior of SS
      • 3.5. Effect of GBFS on the friction angle and the cohesion of SS
      • 3.6. Use of slag sand in the foundation layer of a semi-rigid pavement
    • 4. Conclusion
    • 5. Acknowledgments

Included in

Magazine of Civil Engineering / Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: СПбПУ, 2020-. — Периодичность: 8 раз в год. — Выходит с 2020 г. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Электрон. журнал. — Текст: электронный

Magazine of Civil Engineering / Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: СПбПУ, 2020-. № 8 (108), 2021. — 1 файл (18,1 Мб). — Свободный доступ из сети Интернет (чтение, печать, копирование). — Электрон. журнал. — <URL:http://elib.spbstu.ru/dl/2/j22-36.pdf>.

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