11. Old tile is often in good shape unless there has been some ground movement . 12. The scientists are using seismometers to measure ground movement and tiltmeters to measure tilt. 13. However ground movement has been detected and has effectively ceased development in Northwich town centre. 14. Parts of the track have warped due to erosion, ground movement or the displacement of sleepers. 15. The North Portland Library was particularly vulnerable to strong ground movements because of its unreinforced masonry. 16. Slab-on-grade foundations must be designed to allow for potential ground movement due to changing soil conditions. 17. However, rigid pipes by their very nature are not flexible and will not follow ground movements . 18. He said Thursday's and Friday's tremors were caused by the ground movement in the Philippine Trench. 19. The primary considerations for foundation support are bearing capacity, settlement, and ground movement beneath the foundations. 20. The pipe can get squashed, silt up with rubbish or buckle from ground movement , he said.
