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ABOVEGROUND TANK AND CONSTRUCTION METHOD FOR ABOVEGROUND TANK
To provide an aboveground tank and the like capable of easily being constructed while reducing an amount of tension member in a circumferential direction of the tank.SOLUTION: An LNG tank has a tank body including a bottom slab 5 and an oil protective barrier 2. A gap between the bottom of the oil protective barrier 2 and bottom slab 5 is filled with filler, and tension in a circumferential direction of the tank is introduced into the oil protective barrier 2. On the bottom of the oil protective barrier 2, overhanging portions 2a and 2c extending laterally from the oil protective barrier 2 are formed extending in the circumferential direction of the tank. The overhang portions 2a and 2c are divided by slits 20 and 25 in the circumferential direction of the tank. On an outer periphery of the bottom slab 5, a step portion is formed where a position of an upper surface is lowered in a step, and the bottom of the oil protective barrier 2 is disposed on the step.SELECTED DRAWING: Figure 2
【課題】タンク周方向の緊張材の量を低減でき、施工も容易な地上タンク等を提供する。【解決手段】LNGタンクは底版５と防液堤２を含むタンク躯体を有し、防液堤２の底部と底版５の間の隙間が充填材で充填され、防液堤２にタンク周方向の緊張力が導入される。防液堤２の底部には、防液堤２から側方に張出した張出部２ａ、２ｃがタンク周方向に延設され、張出部２ａ、２ｃが、スリット２０、２５によってタンク周方向に分割される。底版５の外周部には、上面の位置が段状に下がった段部が形成され、防液堤２の底部はこの段部に配置される。【選択図】図２
ABOVEGROUND TANK AND CONSTRUCTION METHOD FOR ABOVEGROUND TANK
To provide an aboveground tank and the like capable of easily being constructed while reducing an amount of tension member in a circumferential direction of the tank.SOLUTION: An LNG tank has a tank body including a bottom slab 5 and an oil protective barrier 2. A gap between the bottom of the oil protective barrier 2 and bottom slab 5 is filled with filler, and tension in a circumferential direction of the tank is introduced into the oil protective barrier 2. On the bottom of the oil protective barrier 2, overhanging portions 2a and 2c extending laterally from the oil protective barrier 2 are formed extending in the circumferential direction of the tank. The overhang portions 2a and 2c are divided by slits 20 and 25 in the circumferential direction of the tank. On an outer periphery of the bottom slab 5, a step portion is formed where a position of an upper surface is lowered in a step, and the bottom of the oil protective barrier 2 is disposed on the step.SELECTED DRAWING: Figure 2
【課題】タンク周方向の緊張材の量を低減でき、施工も容易な地上タンク等を提供する。【解決手段】LNGタンクは底版５と防液堤２を含むタンク躯体を有し、防液堤２の底部と底版５の間の隙間が充填材で充填され、防液堤２にタンク周方向の緊張力が導入される。防液堤２の底部には、防液堤２から側方に張出した張出部２ａ、２ｃがタンク周方向に延設され、張出部２ａ、２ｃが、スリット２０、２５によってタンク周方向に分割される。底版５の外周部には、上面の位置が段状に下がった段部が形成され、防液堤２の底部はこの段部に配置される。【選択図】図２
ABOVEGROUND TANK AND CONSTRUCTION METHOD FOR ABOVEGROUND TANK
地上タンクおよび地上タンクの構築方法
YASUNAGA MASAMICHI (author)
2019-06-27
Patent
Electronic Resource
Japanese
IPC:
E04H
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