Flexible Pavement Design (ARAHAN TEKNIK JALAN 5/85 PINDAAN 2013)

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Presentation transcript:

Flexible Pavement Design (ARAHAN TEKNIK JALAN 5/85 PINDAAN 2013) BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin PAVEMENT DESIGN: Flexible Pavement Design (ARAHAN TEKNIK JALAN 5/85 PINDAAN 2013)

INFORMATION NEEDED AS INPUT BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin INFORMATION NEEDED AS INPUT FOR PAVEMENT DESIGN Types and volume of commercial vehicles for which the pavement structure is designed (2) Design life Sub-grade types and strength Types and properties of paving materials used Environment to which the pavement structure will be exposed

Single Axle Tandem Axle Tridem Axle Traffic Loading BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Single Axle Tandem Axle Tridem Axle Traffic Loading

Load Factor LS = 80kN, 8.16 tonne, 18,000 lb Lorry 9 tonnes BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Load Factor LS = 80kN, 8.16 tonne, 18,000 lb Lorry 9 tonnes Car 1.5 tonne Bus 18 tonnes Trailer 26 tonnes

/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Climatic / Environmental Effect / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / Seepage from highlands Water ponding Seepage through shoulder Seepage through pavement Water content rises in subgrade Subgrade looses strength and stability If subgrade is too weak, pavement will fail

PAVEMENT DESIGN METHODOLOGY BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin PAVEMENT DESIGN METHODOLOGY Based on TWO (2) strains which are critical to pavement performance (Figure 1) Vertical strain, εz on top of the sub-grade Horizontal strain, εt at the bottom of the lowest bound pavement course Remain within acceptable range by providing appropriate types and thickness of materials.

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

Determination of Design Traffic BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Determination of Design Traffic Equivalent Standard Axle Load (ESAL) – 80 kN Based on commercial vehicles (CV) Traffic data include: Number of CV during Year 1 of Design Period – expected year completion of construction Vehicles Class and axle load distribution Directional and lane distribution factors Tyre characteristics and inflation pressure Traffic growth factors

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Axle configurations and corresponding load equivalent factor (LEF) – Table 1

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

Design Procedure – Traffic category BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Design Procedure – Traffic category

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

Properties of sub-grade BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Properties of sub-grade

Properties of paving materials BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Properties of paving materials

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin Let’s try Example Yeah!

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin ARAHAN TEKNIK JALAN 5/85 2013 WORK EXAMPLE Design a road pavement for a 2-lane highway with an average daily traffic of 1350 vehicles, 16% of which are commercial vehicles with an un-laden weight > 1.5 tons.

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin WORK EXAMPLE

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin WORK EXAMPLE

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin WORK EXAMPLE

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin WORK EXAMPLE

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin WORK EXAMPLE

BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr BFC 31082 HIGHWAY ENGINEERING Lecturer: Mr. Mustafa Kamal bin Shamshuddin THANK YOU