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-풍동 실험의 목적-
풍동 실험에서는 다음과 같은 사항을 실측, 실험 후 검토하며 설계자료를 제시하는데 목적을 가지고 있어야 한다.
(1)건설지 풍향 풍속 특성에 관한 실측 및 건설 지역의 풍향 및 설계기준 풍속
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1. 하 중 의 종 류
하중(load): 구조물에 외부에서 작용하는 힘으로 즉 모든 외력을 통칭합니다.
고정하중(Dead Load)
적재하중(Live Load)
적설하중(Snow Load)
풍하중(Wind Load)
지진하중(Earthquake Load)
토압/ 수압
3.6 하 중
3.6.1 고정하중
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Problem 7.3-9 A shear wall in a reinforced concrete building is
subjected to a vertical uniform load of intensity q and a horizontal force
H, as shown in the first part of the figure. (The force H represents the
effects of wind and earthquake loads.) As a consequence of these loads,
the stresses
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NO. 36 THE UNIVERSAL MOTOR, PART I
OBJECT
- To examine the construction of the universal motor
- To determine universal motor’s no-load, full-load characteristics while operating on alternative current and direct current.
PROCEDURE
4. Viewing the front face of the module:
a) The main series
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feeder being . The transformer delivers full load at 460 V and 0.85 power factor lagging
(a) Draw a schematic diagram showing the transformer connection.
(b) Determine the single-phase equivalent circuit.
(c) Determine the sending end voltage of the source.
(d) Determine the transformer winding curr
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