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Abstrak :
Dermaga merupakan salah satu komponen yang penting dalam kegiatan perekonomian suatu daerah, dan dapat mengakibatkan kerugian yang besar secara ekonomis jika mengalami kerusakan. Salah satu tipe dermaga yang banyak ditemui di Indonesia adalah dermaga tipe pile supported wharf, yaitu dermaga yang di dukung oleh tiang pancang. Salah satu alternatif desain dermaga yang sedang berkembang adalah dengan mempergunakan sistem sesimic isolation, yang diharapkan mampu memberikan performa yang lebih baik dari dermaga konvensional. Penelitian ini bertujuan antara lain mempelajari performa dermaga seismic isolation terhadap gaya statik dan dinamiknya, mengetahui korelasi antara dimensi dermaga, bentuk dermaga (irregular/ regular), dan seberapa besar penggunaan seismic isolation dapat menghemat material tiang pancang. Metode penelitian yang dipergunakan berupa analisa model Finite Element 3 dimensi, dimana untuk sistem seismic isolation dipergunakan tipe LRB (Lead Rubber Bearing). Model yang dipergunakan dalam penelitian ini dibagi menjadi 2 macam, yaitu model konvensional dan seismic isolation, dimana masing-masing divariasikan menjadi bentuk reguler dan irregular, kemudian divariasikan terhadap rasio Panjang/lebar, dengan total 18 variasi model. Dimana dari hasil penelitian didapatkan bahwa penggunaan sistem seismic isolation mampu menghemat material tiang pancang sebesar 21% dan efektif pada dermaga dengan rasio panjang/lebar yang tinggi maupun dengan bentuk irregular. ...... Wharf structure is an important element in the economic activity of a society, it could cause a huge economic loss when its damaged and cannot be operated. Pile supported wharf is one of wharf variant that often found in Indonesia, this wharf is a deck (usually from concrete) supported by several piles. One of the alternative designs that has been emerging is the seismic isolation system, which expected to perform and give better results compared to the conventional wharf design. The objectives of this research are to study the seismic isolated wharf performance with its dynamic and static force, to study the correlation between the dimension/configuration and seismic isolation usage, and to study how much savings can be done (in terms of pile material) with seismic isolation system. The research method used is a 3D finite element modeling, which uses LRB (Lead Rubber Bearing) type isolator as the seismic isolation mechanism. The models are classified into 2 groups, seismic isolated and conventional. Each group are varied into regular and irregular configuration, and also varied with the dimension ratio, with total 18 variation models. From this research, it is shown that the usage seismic isolation system can be used to save 21 % pile material, and that seismic isolation system gives a better result when applied on wharf that has high length/width dimension and/or irregular configuration.

Abstrak :
The book comprises selected proceedings of the 2016 annual conference of the Indian Geotechnical Society. The technical papers presented on the theme “Geotechnical Characterisation and Geoenvironmental Engineering” highlight the modified geotechnical properties of soil admixed industrial waste and also the characteristics of soil with different pore fluid under varying test conditions. The major topics covered are (i) characterisation of soils, rocks and synthesised materials and (ii) geoenvironmental engineering and behaviour of unsaturated soil. This book will prove a valuable reference for researchers and practicing engineers alike.

Abstrak :
This book features chapters based on selected presentations from the International Congress on Advanced Earthquake Resistance of Structures, AERS2016, held in Samsun, Turkey, from 24 to 28 October 2016.It covers the latest advances in three widely popular research areas in Earthquake Engineering: Performance-Based Seismic Design, Seismic Isolation Systems, and Structural Health Monitoring. The book shows the vulnerability of high-rise and seismically isolated buildings to long periods of strong ground motions, and proposes new passive and semi-active structural seismic isolation systems to protect against such effects. These systems are validated through real-time hybrid tests on shaking tables. Structural health monitoring systems provide rapid assessment of structural safety after an earthquake and allow preventive measures to be taken, such as shutting down the elevators and gas lines, before damage occurs. Using the vibration data from instrumented tall buildings, the book demonstrates that large, distant earthquakes and surface waves, which are not accounted for in most attenuation equations, can cause long-duration shaking and damage in tall buildings. The overview of the current performance-based design methodologies includes discussions on the design of tall buildings and the reasons common prescriptive code provisions are not sufficient to address the requirements of tall-building design. In addition, the book explains the modelling and acceptance criteria associated with various performance-based design guidelines, and discusses issues such as selection and scaling of ground motion records, soil-foundation-structure interaction, and seismic instrumentation and peer review needs.The book is of interest to a wide range of professionals in earthquake engineering, including designers, researchers, and graduate students.

Abstrak :
This book discusses resilience in terms of structures and infrastructures responses to extreme loading conditions. These include static and dynamic loads such as those generated by blasts, terrorist attacks, seismic events, impact loadings, progressive collapse, floods and wind. In the last decade, the concept of resilience and resilient-based structures has increasingly gained in interest among engineers and scientists. Resilience describes a given structures ability to withstand sudden shocks. In other words, it can be measured by the magnitude of shock that a system can tolerate. This book offers a valuable resource for the development of new engineering practices, codes and regulations, public policy, and investigation reports on resilience, and provides broad and integrated coverage of the effects of dynamic loadings, and of the modeling techniques used to compute the structural response to these loadings.