Question: Why Are Excavations Important?

What are the disadvantages of archeology?

The disadvantage is that archaeology is a destructive process.

When excavating a site the archeologist is essentially destroying it.

Sure, large structural remains such as foundations are often left intact, but generally when a site has been excavated, it’s gone forever..

What is the purpose of exploration and excavation done by the archaeologist?

Answer: Excavation can be classified from the point of view of their purpose , as planned , rescue or accidental. most important excavation are the result of a prepared plan- that is to say, their purpose is to locate buried evidence about an archaeological site.

What is Archaeology and why is it important?

The goal of archaeology is to understand how and why human behavior has changed over time. Archaeologists search for patterns in the evolution of significant cultural events such as the development of farming, the emergence of cities, or the collapse of major civilizations for clues of why these events occurred.

What are the methods of excavation?

There are number of excavation methods which are used for deep foundation construction such as full open cut method, bracing excavation, anchored excavation, island excavation methods,zoned excavation, top down construction methods etc. These excavation techniques are discussed.

What is cut and fill excavation?

Cut and fill excavation This is the process of excavation whereby the material that is cut or stripped. The removed topsoil and earth can be used as fill for embankments, elevated sections, and so on.

What is common excavation?

Common excavation is defined as the excavation of all materials that can be excavated, transported, and unloaded using heavy ripping equipment and wheel tractor-scrapers with pusher tractors or that can be excavated and dumped into place or loaded onto hauling equipment by excavators equipped with attachments (shovel, …

What is the difference between horizontal and vertical excavation?

In vertical excavation, the archeologist may use test units to identify and/or remove strata. … In horizontal excavation, the archeologist may plow strips along the surface of the site to expose any objects lying near the surface.

What did Archaeologists find during excavation?

Archaeological excavation is the procedure by which archaeologists define, retrieve, and record cultural and biological remains found in the ground. Past activities leave traces in the form of house foundations, graves, artifacts, bones, seeds, and numerous other traces indicative of human experience.

What is the difference between earthwork and excavation?

 This earth work may be either earth excavation or earth filling or Some times both will get according to the desired shape and level. …  Basically the volume of earthwork is computed from length, breadth, and depth of excavation or filling.

What is the meaning of earthworks?

1 : an embankment or other construction made of earth especially : one used as a field fortification. 2 : the operations connected with excavations and embankments of earth. 3 : a work of art consisting of a portion of land modified by an artist.

What tools are used in excavation?

What excavation equipment might be necessary for your project?Backhoe loader. These have an adjustable shovel in the front and a bucket in the back. … Bulldozer. You can think of this piece of machinery as the monster of the excavation industry. … Crawler loader. … Excavator. … Skid-steer loader. … Trencher.

What is the meaning of excavations?

to make hollow by removing the inner part; make a hole or cavity in; form into a hollow, as by digging: The ground was excavated for a foundation. to make (a hole, tunnel, etc.) by removing material. to dig or scoop out (earth, sand, etc.).

How do you make excavations safe?

Make sure the equipment and precautions needed (trench sheets, props, baulks etc) are available on site before work starts. Battering the excavation sides – Battering the excavation sides to a safe angle of repose may also make the excavation safer.

How is excavation done in site?

The major works done before, while and after excavation are as follows,Setting out of corner benchmarks.Survey for ground levels.Survey for top levels.Excavation to approved depth.Dressing of loose soil.Making up to cut off level.Constructing dewatering wells and interconnecting trenches.More items…

What is considered a deep excavation?

Shallow excavations are defined as being anything less than 1.5 metres deep, which really is not very deep at all; a relatively short person could comfortably see over the top. Deep excavations, on the other hand, are defined as being any excavation which is more than 4.5 metres in depth – a considerable height indeed.

How do archaeologists find sites for excavation?

Archaeologist use the satellite imagery of Google and find some of the archaeological sites. They also use air balloons as a economical way of finding these sites b observing the land from high altitudes. All these forms fall under how Archaeologist find sites through surface observation.

What is the purpose of excavation?

Excavation is used in construction to create building foundations, reservoirs and roads. Some of the different processes used in excavation include trenching, digging, dredging and site development.

What does trenching mean?

1 : to make a cut in : carve. 2a : to protect with or as if with a trench. b : to cut a trench in : ditch. intransitive verb. 1a : entrench, encroach trenching on other domains which were more vital— Sir Winston Churchill.