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QUESTIONS - 14071_62
SURVEY - 14071_64

Engineering Aid 2 - Intermediate Structural engineering guide book
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CHAPTER 3 HORIZONTAL CONSTRUCTION The construction of roads and airfields, or portions of roads and airfields, is often tasked to the Seabees for accomplishment. As an Engineering Aid, you can expect involvement  in  projects  of  this  type.  This  involvement may include assisting the engineering officer in the design of these facilities or in the surveying operations required  before,  or  during,  construction.  Whatever  your involvement  is,  you  must  be  familiar  with  the terminology, methods, and materials of road and airfield construction.  This  chapter  will  provide  that  familiarity. ROADS A military road is defined as any route used by the military for transportation of any type. This includes everything  from  a  superhighway  to  a  simple  path through the jungle. The type of road required depends mainly upon the missions of the units that use it. In forward combat zones, the requirements are usually met by the most expedient road; that is, one that will get the job  done  with  no  attempt  for  permanency.  In  the  rear zones, however, the requirements usually call for some degree of permanency and relatively high construction standards. NOMENCLATURE When assigned to the engineering division, you may help prepare the working plans for the construction of roads and airfields; for example, a two-lane, earth, gravel, or paved-surface road. Figures 3-1 and 3-2 show the basic parts of a road. The following paragraphs give Figure 3-1.-Perspective of road showing road nomenclature. Figure  3-2.—Typical  cross  section  showing  road  nomenclature. 3-1







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