Transcription of Construction Planning, Equipment, CHAPTER EXCAVATORS
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Construction Planning, Equipment, CHAPTER EXCAVATORS
Construction planning , equipment , and Methods Sixth Edition CHAPTER . EXCAVATORS . A. J. Clark School of Engineering Department of Civil and Environmental Engineering 8 By Dr. Ibrahim Assakkaf ENCE 420 Construction equipment and Methods Spring 2003. Department of Civil and Environmental Engineering University of Maryland, College Park CHAPTER 8. EXCAVATORS Slide No. 1. ENCE 420 Assakkaf INTRODUCTION. Hydraulic power is the key to the utility of many EXCAVATORS . 1. CHAPTER 8. EXCAVATORS Slide No. 2. ENCE 420 Assakkaf INTRODUCTION. Hydraulic front shovels are used predominantly for hard digging above track level and for loading haul units. Hydraulic hoe EXCAVATORS are used primarily to excavate below natural surface of the ground on which the machine rests. CHAPTER 8. EXCAVATORS Slide No. 3. ENCE 420 Assakkaf INTRODUCTION. The loader is a versatile piece of equipment designed to excavate at or above wheel/track level. Unlike a shovel or hoe, to position the bucket to dump, a loader must maneuver and travel with the load.
5 CHAPTER 8. EXCAVATORS ENCE 420 ©Assakkaf Slide No. 8 INTRODUCTION •An upward motion unit is known as a "front shovel." A shovel develops breakout force by …
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