SAPEM Chapter 2 - Sanral

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South African Pavement Engineering Manual Chapter 2: Pavement Composition and Behaviour Geotextile Seal Split Seal stone penetration coat thin layer of aggregate tack coat existing substrate 3 rd layer - stone penetration coat 2 nd layer - stone 1 st layer stone tack coat existing substrate Choked Seal 2 nd layer - stone 1 st layer stone tack coat existing substrate Inverted double seal 2nd layer - stone penetration coat 1 st layer stone tack coat existing substrate Graded aggregate seals (Otta) sand tack coat graded aggregate tack coat existing substrate Figure 12. Schematic Illustrations of Seal Types (b) 6.1.2 Rigid Pavements In South Africa and overseas, a number of concrete pavement types have been constructed, and are illustrated in Figure 13. The following types, which differ only by the crack control criteria, are the most common concrete road pavements in South Africa. Jointed unreinforced (plain) concrete Continuously reinforced concrete pavement (CRCP) Ultra-thin concrete pavement (UTCP) Concrete Pavements Good references for concrete pavements are: Fulton’s Concrete Technology. 2009. 9th edition, Cement & Concrete Institute. Concrete Road Construction. 2009. Cement and Concrete Institute (C&CI). In SAPEM, concrete pavements are discussed in: Chapter 3, Materials Testing: Section 5.1 Chapter 4, Standards: Section 5.1 Chapter 9, Materials Utilisation and Design: Section 12 Chapter 10, Pavement Design, Sections 2.2 and 8 Chapter 12, Construction Equipment and Method Guidelines: Sections 2.9, 3.12 and 4.2 Chapter 13, Quality Management: Section 8 Chapter 14, Post-Construction, Section 3.2 Section 6: Pavement Types Page 17
South African Pavement Engineering Manual Chapter 2: Pavement Composition and Behaviour Jointed Unreinforced (Plain) Concrete Pavement, with or without Dowels Jointed Reinforced Concrete Pavement Continuously Reinforced Concrete Pavement (CRCP) Fibre Reinforced Concrete Pavement with or without Dowels Ultra Thin Continuously Reinforced Concrete Pavement Ultra Thin Reinforced Concrete Pavement Figure 13. Schematic Illustrations of the Types of Rigid Pavements Section 6: Pavement Types Page 18
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SAPEM Chapter 2 - Sanral

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