• 기술사
• /
• 제35권4호
• /
• pp.14-18
• /
• 2002

Water must be readily available to support all lives life and to create our earth. At first thought, It may seem that water is always available, since the earth is literally surrounded by water, so called water planet. The manner in which water circulates between earth and atmosphere determines where ample water supplies can be found and used for all organisms. If no forces except gravity were at work, the earth's water would settle in to the ocean basins and remain there.

• 한국지반공학회:학술대회논문집
• /
• 한국지반공학회 2008년도 추계 학술발표회
• /
• pp.141-157
• /
• 2008

Since 1984, block-type reinforced earth wall with geogrid reinforcement has been widely used for retaining wall applications till now in Korea. The use of geogrid as a reinforcement in the reinforced earth wall is steadily increased in an amount over $6,500,000m^2$ in a year. However, still need exists that some problems in design and construction practices should be made to review. Therefore, this paper reviewed current state and development items of geosynthetics-reinforced earth wall technology on design and construction point of view.

• 천문학회보
• /
• 제32권1호
• /
• pp.90.1-90.1
• /
• 2007

• 천문학회보
• /
• 제21권
• /
• pp.6.2-7
• /
• 1996

• 대한자원환경지질학회:학술대회논문집
• /
• 대한자원환경지질학회 2000년도 춘계 공동학술발표회
• /
• pp.84-85
• /
• 2000

• 한국조명전기설비학회:학술대회논문집
• /
• 한국조명전기설비학회 2002년도 학술대회논문집
• /
• pp.125-131
• /
• 2002

It is very important to assume potential distribution to be generated in electrode environs and grounding resistance by current beforehand, when incoming at grounding electrode to plan efficient grounding facilities In this paper, we analyzed grounding resistance through a simulation experiment by a water tank scaled model electrode of the rectangular earth plate, a theoretical Calculation result of the rectangular earth plate and measurement of grounding resistance buried rectangular earth plate analysing earth surface potential.

• 암석학회지
• /
• 제16권1호
• /
• pp.38-45
• /
• 2007

• Geomechanics and Engineering
• /
• 제17권5호
• /
• pp.413-420
• /
• 2019

The changes in earth pressure and ground settlement due to underground excavation near an existing retaining wall were studied experimentally according to the separation distance between the underground excavation and the retaining wall. In addition, this study attempted to experimentally prove that the arching phenomenon occurred during the construction of the underground space. A model tank having 120 cm in length, 160 cm in height, and 40 cm in width was manufactured to simulate underground excavation through the use of five separated base wall bodies. The variation of earth pressure on the retaining wall was measured according to the underground excavation phase through the use of 10 separated right wall bodies. The results showed that the earth pressure on the retaining wall was changed by the lowering of the first base bottom wall; however, the earth pressure was not changed significantly by the lowering of the third base bottom wall, since the third base wall had sufficient separation distance from the retaining wall. Lowering of the first base wall induced a decrease in the earth pressure in the lower part of the retaining wall; in contrast, lowering of the first base wall induced an increase in the earth pressure in the middle part of the retaining wall, proving the arching effect experimentally. It is necessary to consider the changes in earth pressure on the retaining wall in designing earth retaining structures for sections where the arching effect occurs.

• 천문학회보
• /
• 제26권1호
• /
• pp.30-30
• /
• 2001

• 대한자원환경지질학회:학술대회논문집
• /
• 대한자원환경지질학회 2001년도 춘계 공동학술발표회
• /
• pp.368-368
• /
• 2001