Construction Engineering & Management - Vol 2 | 14. Productivity of Shovel by Abraham | Learn Smarter
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14. Productivity of Shovel

This chapter explores the principles of productivity estimation for excavators like shovels and backhoes, focusing on factors like the angle of swing and the height of cut. Correction factors are crucial for adjusting productivity evaluations based on actual working conditions compared to ideal situations, which impacts cycle time and machine efficiency. Practical examples and estimations of shovel and backhoe operations are provided to illustrate these concepts.

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Sections

  • 1

    Productivity Of Shovel

    This section discusses the productivity factors affecting shovels, including truck placement and swing angle.

    Learning Practice

  • 1.1

    Angle Of Swing And Cycle Time

    This section discusses the relationship between the angle of swing of an excavator and its cycle time, emphasizing the impact of truck positioning and height of cut on productivity.

    Learning Practice

  • 1.2

    Adjustment Factors For Height Of Cut And Angle Of Swing

    This section discusses the adjustment factors affecting the productivity of excavation equipment, focusing on the height of cut and angle of swing.

    Learning Practice

  • 1.3

    Truck Spotting Clearance

    This section discusses truck spotting clearance and its significance for productivity in excavator operations.

    Learning Practice

  • 1.4

    Haul Unit Exchange Time

    This section discusses the importance of haul unit exchange time and its impact on productivity in excavation operations.

    Learning Practice

  • 1.5

    Estimating Productivity

    This section discusses the factors affecting the productivity of excavation equipment, focusing on the importance of the angle of swing and height of cut.

    Learning Practice

  • 1.6

    Problem Example On Production Estimation

    This section discusses the factors affecting productivity estimation in excavation operations, focusing on the relationship between truck positioning, swing angles, and height of cut.

    Learning Practice

  • 2

    Backhoes

    This section discusses the functionality, productivity factors, and operational parameters of backhoes in the excavation process.

    Learning Practice

  • 2.1

    Basic Parts And Operations

    This section discusses the operations and factors affecting productivity in excavating and dumping processes.

    Learning Practice

  • 2.2

    Cycle Time Comparison With Front Shovel

    This section discusses the impact of truck positioning and swing angles on cycle time and productivity when using front shovels.

    Learning Practice

  • 2.3

    Excavating Below Ground Level

    This section discusses key factors affecting the productivity of excavators, including the angle of swing, height of cut, and truck positioning.

    Learning Practice

  • 2.4

    Backhoe And Loader Combination

    This section discusses the optimal positioning and operational parameters for backhoe and loader combinations, focusing on factors affecting productivity.

    Learning Practice

  • 2.5

    Versatile Attachments And Applications

    This section discusses the importance of positioning trucks and excavators for optimal productivity during excavation operations.

    Learning Practice

  • 3

    Important Parameters For Backhoe Selection

    This section outlines key parameters for selecting backhoes, emphasizing the importance of optimal truck placement, ideal height of cut, swing angle, and adjustment factors for productivity estimation.

    Learning Practice

  • 3.1

    Maximum Dumping Height And Digging Reach

    This section covers the principles behind maximum dumping height and digging reach for excavators, emphasizing the importance of optimal truck positioning and swing angle for efficient productivity.

    Learning Practice

  • 3.2

    Lifting Capacity And Operating Radius

    This section explores the relationship between the lifting capacity of an excavator and its operating radius, emphasizing the importance of truck positioning and adjustment factors for productivity.

    Learning Practice

  • 3.3

    Summary Of Key Points

    This section discusses the impact of truck positioning and swing angles on excavator productivity in construction.

    Learning Practice

References

14 b.pdf

Class Notes

Memorization

Final Test

Revision Tests