LOKASI: Ruang Koleksi Umum Rak 3
The cutter ring breakage as a cutter failure mode in shield tunnel construction is more likely to occur in the centre zone of cutterhead. Given the inconsistence of this phenomenon with the linear cutting theory, the present paper suggests the use of the circular cutting theory to explain the cutter ring breakage and find the correlation between the unbalanced side force and cutter ring breakag…
Lokasi: Ruang Koleksi Umum Rak 2
Significant areas of the financial and commercial districts of Singapore have been contructed over deep deposits of near normally consolidated marine clay. Numerous deep excavations have been required for urban development and the supporting infrastructure. The design of these excavations needed to consider basal stability and (for walls taken to hard strata) net active forces below excavation …
The occurrence of occasional sinkholes or very large settlements over FPB driven tunnels has been documented on a number of projects. Primary responsibility for avoiding sinkholes must lie with the tunnelling contractor, and the shield manufacturer. Almost all of the documented cases can be ascribed directly tunnelling contractor, and the shield manufacturer. Almost all of the documented cases …
LOKASI: Ruang Koleksi Umum Rak: 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2