EARTHMOVING
EQUIPMENT TECHNOLOGY AND MANAGEMENT
3 DAYS
GUEST LECTURER: ZVI BOROWITSH (ISRAEL INSTITUTE OF TECHNOLOGY)
COURSE OUTLINE
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Earthmoving as a factor in Civil Engineering projects
Properties of soil which affect Earthmoving.
Structural and volumetric changes of moved soils.
Power required for various stages of Earthmoving.
Resistance to motion. Gradability. Use of the Rimpull Curves.
Theory of Traction. Predicting the performance wheeled vs. Tracked vehicles.
Fundamentals of Production calculations: Fixed and variable times.
Machine and fleet availability.
Computerised Simulation Programs for loading and hauling
Diesel curves and power-train components.
Principles of Hydraulic Systems.
Tracks and Undercarraige.
Tyres for earthmoving equipment.
Production and cost calculations of ripping vs drilling and blasting.
Use of seismography for predicting rippability.
Drilling equipment and techniques.
Bulldozers - track and wheel type. Their production rates and applications
Top loading methods and equipment.
Track and wheel type Front End Loaders (FEL).
Matching FEL to haulers used.
FEL production rates in Load-Haul-Dump application
FEL attachments for versatility.
Hydraulic Excavators. Mass excavation and loading.
Hauling equipment and it’s application range:
On and Off-Highway Rigid Frame Dump-Trucks vs. Articulated Trucks.
Matching number of hauling to loading units for yielding minimum earthmoving cost.
Implementation of the Queuing Theory.
Scraper Applications: Push Loaded and Self Loading techniques (elevator, auger, push-pull type).
Scraper performance and production rates.
Levelling and Grading equipment.
Principles of soil compaction, standards and equipment
Principles of design of haul roads for optimizing haulage.
Principals of fleet and site management.
Planning an efficient spread of earthmoving equipment.
Job Scheduling and Planning
Remote Monitoring of Earthmoving and Mining Equipment.
GPS (Global positioning Systems) in earthmoving projects
Load Sensing Devices for the on-site monitoring of actual production and machine condition.
Earthmoving Cost: hourly owning and operation cost.
Analysing plant operation alternatives (1) investing in plant vs. hire options or subcontruction.
Principles of equipment maintenance, scheduling and recording.
Safety regulations and guidelines in earthmoving sites.
OBJECTIVES OF THE COURSE
The objectives of this course are threefold:
• To study advanced Manual and Computerized techniques for the selection of the most efficient, most
economical Spread of Equipment and general layout.
• To study and practice earthwork Cost Evaluation.
• To examine the principles of Planning and Managing earthmoving projects.