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기초공학 드릴링/샘플러

저작시기 2010.04 |등록일 2010.04.02 파워포인트파일MS 파워포인트 (pptx) | 19페이지 | 가격 2,800원

소개글

기초공학 드릴링/샘플러 등

기초적 내용 및 각요소 구성 (영어)

목차

Subsurface Exploration
Drill rigs
Solid stem continuous Flight Auger
Hollow stem continuous Flight Auger
Mud lowly and coring
Variety of Drills
Solid stem continuous flight auger
Hollow stem continuous Flight Auger
Mud lowly and coring (rotary wash)
Sampling Method
Split-Spoon Sampler
Thin Walled Sampler
Piston Sampler
Pitcher Sampler
Effect of disturbance

본문내용

Subsurface Exploration
Drill rigs
Solid stem continuous Flight Auger
Hollow stem continuous Flight Auger
Mud lowly and coring
Variety of Drills
Solid stem continuous flight auger
Hollow stem continuous Flight Auger
Mud lowly and coring (rotary wash)
Sampling Method
Split-Spoon Sampler
Thin Walled Sampler
Piston Sampler
Pitcher Sampler
Effect of disturbance



[6] Theory
[ Type 1 ] Standard penetration test: SPT
Set up the SPT sampler at end of the road
Hammer = 63.5 kg / Height = 76 cm
Number of Impact - interpenetrate 30 cm
Last two times (30 cm) , First time : disturbed
Delicate ground , Dense sandy soil
[6] Theory
[ Type 2 ] Effect of disturbance
Line = Most Ideal sample / disturbed value = 0
Dotted line = Division sample , drilling sample , etc
Show ( Vv/Vs = e )
Can compare disturbed value - each type
[7] Conclusion
Video Shows..
Explain basic theory Samplers
Subsurface / Ground Properties
Environmental disturb elements
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