Abstract: Horizontal directional drilling (HDD) is an important technology for the placement of municipal pipelines, including water and sewer lines. This paper describes the in situ monitoring of the installation of a gas pipeline ...

Abstract: Long-term monitoring on the degradation of concrete structures has been a major engineering concern in many parts of the world. On the basis of the distributed long-gauge fiber optic sensors recently developed at Ibaraki ...

Abstract: Axially loaded elements play an important role in various civil structures. Knowledge of these crucial members is critical to health monitoring and performance assessment of a structure system in daily service or after a ...

Abstract: Ground deformation, which is a common consequence of surface loads, construction activities, excavation work, subterranean cavitation, soil subsidence, and so on, poses a serious threat to nearby pipelines. This work ...

Abstract: Ground deformation, which is a common consequence of surface loads, construction activities, excavation work, subterranean cavitation, soil subsidence, and so on, poses a serious threat to nearby pipelines. This work ...