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ultrasonic wave propagation in discontinous rock
Experiments were carried out to determine the effect of discontinuities on the propagation of ultrasonic waves in samples of chalk and sandstone obtained from tunnel sites at Chinnor, Oxfordshire and Warrington, Cheshire respectively. In particular the effect of normal stress across a closed discontinuity was investigated. Tests to determine the wave velocity, attenuation coefficients and the e…
The effects of ground vibration during bentonite shield tunnelling at Warrington
The maximum measured ground vibration (expressed in terms of resultant peak particle velocity) was 3.9 mm/s. The vibration was characterised by random high velocity particle motions resulting from impacts between the machine's disc cutters and glacial boulders in the tunnel face. Surface and subsurface settlement measurements were made along the tunnel line. Laboratory tests and other field dat…
NEW CIVIL ENGINEER CONFERENCE: Compaction Technology=Teknologi Pemadatan
Ruang Koleksi Umum Rak: 3
Education for Librarianship: Decision in Organising a System of Professional …
"Education for Librarianship: Decisions in Organising a System of Professional Education" refers to a foundational book by Peter G. New, focusing on the strategic planning and core principles (access, ethics, technology) needed to structure librarian training, addressing shifts from traditional roles to modern information management, emphasizing practical skills, lifelong learning, and the evol…
Bantalan Karet Jembatan
Konstruksi jembatan merupakan suatu konstruksi yang setiap saat berberak akibat gaya yang ditimbulkan oleh kombinasi muatan primer, muatan sekunder dan muatan khusus. Walaupun gerakan ini relatif pelan, tapi gaya-gaya yang menyertainya sangat besar. Hal ini dapat menyebabkan kerusakan struktur bila tidak diperhatiakn dalam perencanaan maupun pelaksanaan pembangunannya. LOKASI: Rak Penelitian…
Construction Engineering Manpower Management in Michigan
Selected Papres from AASHTO Proceedings; 1977-Sixty Third Annual Meeting - Proceedings, pp. 14-34
Risk assessment of ship collisions on existing bridges
International Seminar On Bridge Engineering And Management In Asian Countries. Technical Paper
