INCLINATION MEASUREMENT DEVICE AND INCLINATION ANGLE MEASUREMENT METHOD OF STEEL CYLINDRICAL BODY

To provide an inclination measurement device and an inclination angle measurement method for a steel cylindrical body which can simply and accurately monitor the inclination of a steel pipe, a steel pipe sheet pile and the like at real time.SOLUTION: An inclination measurement device 2 includes: an accelerometer 4 which is fixed to an inner peripheral surface at a predetermined height position that is a reference position from the lower end of a steel cylindrical body 1 through an accelerometer mounting member 3; a protective cover 5 which is fixed to the inner peripheral surface of the steel cylindrical body 1, and covers the accelerometer 4 held by the accelerometer mounting member 3; and horizontal displacement amount calculation means 6 for calculating a horizontal displacement amount L at a reference position of the steel cylindrical body 1 for each predetermined installation depth ln on the basis of measurement data of the accelerometer 4.SELECTED DRAWING: Figure 1 【課題】簡便に鋼管や鋼管矢板等の傾斜をリアルタイムで正確に監視することができる鋼製筒状体の傾斜計測装置及び傾斜角計測方法の提供。【解決手段】この傾斜計測装置２は、鋼製筒状体１の下端より基準位置である所定の高さ位置の内周面に加速度計取付部材３を介して固定された加速度計４と、鋼製筒状体１の内周面に固定され、加速度計取付部材３に保持された加速度計４を覆う保護カバー５と、加速度計４の計測データに基づき所定の打設深度ｌｎ毎に鋼製筒状体１の基準位置の水平方向変位量Ｌを算出する水平変位量算出手段６とを備えている。【選択図】図１