EARTHQUAKE RESISTANCE WATER STORAGE TANK

To provide a novel earthquake resistance water storage tank that can effectively reduce a risk that side plates will buckle or break near a ceiling and a risk that the ceiling will buckle or break near the side plate even if a large shake occurs in a liquid stored inside due to an earthquake.SOLUTION: The earthquake resistant water storage tank comprises: four side walls, each of which is formed in a rectangular shape, including a front side wall 2, a rear side wall 3, a left side wall 4, and a right side wall 5; and a ceiling 6 formed in a rectangular shape. The earthquake resistant water storage tank has an outer shape formed into a cubic shape or a rectangular parallelepiped shape. Displacement absorbing plate members 11, 12, 13, 14 for absorbing stress caused by displacement of the entire water storage tank due to vibration such as an earthquake are fixedly interposed respectively between respective upper ends of the four side walls and an end part of the ceiling.SELECTED DRAWING: Figure 5 【課題】地震が発生により内部に貯留された液体に大きな揺れが発生した場合であっても、天井に近い位置において側板が座屈・破断したり、側板に近い位置で天井が座屈・破断されたりする危険性を有効に低減することができる新規な耐震性貯水槽を提供する。【解決手段】それぞれ方形状に成形された正面側壁２、背面側壁３、左側壁４及び右側壁５からなる４つの側壁と、方形状に成形された天井６とを有し、外形形状が立方体状又は直方体状に成形され、上記４つの側壁のそれぞれの上端と天井の端部との間には、地震等の振動に基づく貯水槽全体の変位による応力を吸収する変位吸収板部材１１，１２，１３，１４がそれぞれ固定されてなる。【選択図】 図５