Characteristics of the Weak Rock at Regional Connector Project in Los Angeles

Characteristics of the Weak Rock at Regional Connector Project in Los Angeles
Author: H. Yang
Publisher:
Total Pages: 5
Release: 2017
Genre: Geology
ISBN:
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The Regional Connector Transit Corridor project provides a 3.0 km long connection for existing light rail transit lines in downtown Los Angeles, California. The project involves twin bored tunnels, cut-and-cover tunnels, three deep stations and one sequential excavation cavern that will encounter the Fernando Formation bedrock, which underlines the alluvium. The Fernando Formation consists of a poorly bedded to massive clayey siltstone to silty claystone that is poorly cemented and extremely weak to very weak per ISRM (1978). This paper presents the geotechnical engineering characteristics of the formation based on field investigation and laboratory testing.

Geotechnical Aspects of Underground Construction in Soft Ground. 2nd Edition

Geotechnical Aspects of Underground Construction in Soft Ground. 2nd Edition
Author: Mohammed Elshafie
Publisher: CRC Press
Total Pages: 921
Release: 2022-12-26
Genre: Technology & Engineering
ISBN: 1000818632
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GEOTECHNICAL ASPECTS OF UNDERGROUND CONSTRUCTION IN SOFT GROUND comprises a collection of 112 contributions presented at the Tenth International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, held in Cambridge, United Kingdom, 27-29th June 2022. This 2nd edition also includes four general reports on the symposium themes which give an overview of the papers submitted to the symposium, covered in four technical sessions. The symposium is the latest in a series which began in New Delhi in 1994, and was followed by symposia in London (1996), Tokyo (1999), Toulouse (2002), Amsterdam (2005), Shanghai (2008), Rome (2011), Seoul (2014) and Sao Paulo (2017). This symposium was organised by the Geotechnical Research Group at the University of Cambridge, under the auspices of the Technical Committee TC204 of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). Geotechnical Aspects of Underground Construction in Soft Ground includes contributions from more than 25 countries on the research, design and construction of underground works in soft ground. The contributions cover the following themes: Field case studies Sensing technologies and monitoring for underground construction in soft ground Physical and numerical modelling of tunnels and deep excavations in soft ground Seismic response of underground infrastructure in soft ground Design and application of ground improvement for underground construction Ground movements, interaction with existing structures and mitigation measures Similar to previous editions, GEOTECHNICAL ASPECTS OF UNDERGROUND CONSTRUCTION IN SOFT GROUND represents a valuable source of reference on the current practice of analysis, design, and construction of tunnels and deep excavations in soft ground. The book is particularly aimed at academics and professionals interested in geotechnical and underground engineering.

The Image of the City

The Image of the City
Author: Kevin Lynch
Publisher: MIT Press
Total Pages: 212
Release: 1964-06-15
Genre: Architecture
ISBN: 9780262620017
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The classic work on the evaluation of city form. What does the city's form actually mean to the people who live there? What can the city planner do to make the city's image more vivid and memorable to the city dweller? To answer these questions, Mr. Lynch, supported by studies of Los Angeles, Boston, and Jersey City, formulates a new criterion—imageability—and shows its potential value as a guide for the building and rebuilding of cities. The wide scope of this study leads to an original and vital method for the evaluation of city form. The architect, the planner, and certainly the city dweller will all want to read this book.

Railtown

Railtown
Author: Ethan N. Elkind
Publisher: University of California Press
Total Pages: 314
Release: 2014-01-22
Genre: History
ISBN: 0520278275
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The familiar image of Los Angeles as a metropolis built for the automobile is crumbling. Traffic, air pollution, and sprawl motivated citizens to support urban rail as an alternative to driving, and the city has started to reinvent itself by developing compact neighborhoods adjacent to transit. As a result of pressure from local leaders, particularly with the election of Tom Bradley as mayor in 1973, the Los Angeles Metro Rail gradually took shape in the consummate car city. Railtown presents the history of this system by drawing on archival documents, contemporary news accounts, and interviews with many of the key players to provide critical behind-the-scenes accounts of the people and forces that shaped the system. Ethan Elkind brings this important story to life by showing how ambitious local leaders zealously advocated for rail transit and ultimately persuaded an ambivalent electorate and federal leaders to support their vision. Although Metro Rail is growing in ridership and political importance, with expansions in the pipeline, Elkind argues that local leaders will need to reform the rail planning and implementation process to avoid repeating past mistakes and to ensure that Metro Rail supports a burgeoning demand for transit-oriented neighborhoods in Los Angeles. This engaging history of Metro Rail provides lessons for how the American car-dominated cities of today can reinvent themselves as thriving railtowns of tomorrow.

Rapid Excavation and Tunneling Conference 2021 Proceedings

Rapid Excavation and Tunneling Conference 2021 Proceedings
Author: Jarrett E. Carlson
Publisher: Society for Mining, Metallurgy & Exploration
Total Pages: 1250
Release: 2021-06-06
Genre: Technology & Engineering
ISBN: 0873354923
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Every two years, industry leaders and practitioners from around the world gather at the Rapid Excavation and Tunneling Conference (RETC), the authoritative program for the tunneling profession, to learn about the most recent advances and breakthroughs in this unique field. The information presented helps professionals keep pace with the ever-changing and growing tunneling industry. This book includes the full text of 106 papers presented at the 2021 conference. Though the tunneling industry continues to develop both technically and contractually, one notable adaptation of the last two years has been the onset and management of COVID-19. The hallmarks of tunneling professionals include adaptability, resiliency, optimism, and management of change. These are traits that have been recently put to an entirely new challenge over the last year or so. We have truly witnessed why what we do is deemed “essential” infrastructure. The COVID-19 pandemic has impacted each of us, personally and professionally, and while times have been hard, we are fortunate to work in a field that is able to meet the challenge and thrive thereafter. Congratulations are in order to everyone in our industry for keeping the planning and development of projects moving forward and for maintaining safe and productive worksites in these challenging times.

Rock Slope Engineering

Rock Slope Engineering
Author: Evert Hoek
Publisher: CRC Press
Total Pages: 366
Release: 1981-06-30
Genre: Technology & Engineering
ISBN: 0419160108
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This classic handbook deals with the geotechnical problems of rock slope design. It has been written for the non-specialist mining or civil engineer, with worked examples, design charts, coverage of more detailed analytical methods, and of the collection and interpretation of geological and groundwater information and tests for the mechanical properties of rock.

Fire Following Earthquake

Fire Following Earthquake
Author: Charles Scawthorn
Publisher: ASCE Publications
Total Pages: 362
Release: 2005-01-01
Genre: Technology & Engineering
ISBN: 9780784475515
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Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph covers the entire range of fire following earthquake (FFE) issues, from historical fires to 20th-century fires in Kobe, San Francisco, Oakland, Berkeley, and Northridge. FFE has the potential of causing catastrophic losses in the United States, Japan, Canada, New Zealand, and other seismically active countries with wood houses. This comprehensive book on FFE and urban conflagrations provides state-of-the-practice insight on unique issues, such as large diameter flex hose applications by fire and water departments. Topics include: History of past fires; Computer modeling of fire spread in the post-earthquake urban environment; Concurrent damage and fire impacts for water, power gas, communication and transportation systems; Examples of reliable water systems built or designed in San Francisco, Vancouver, Berkeley, and Kyoto; Use of large diameter (5 in.) and ultralarge diameter (12 in.) flex hose for fire fighting and water restoration; and Cost-effectiveness of various FFE mitigation strategies, with a detailed benefit-cost model. Water utility engineers, fire fighting professionals, and emergency response planners will benefit from reading this book.

Using Public Transportation to Reduce the Economic, Social, and Human Costs of Personal Immobility

Using Public Transportation to Reduce the Economic, Social, and Human Costs of Personal Immobility
Author: Ricardo Byrd
Publisher: Transportation Research Board
Total Pages: 148
Release: 1999
Genre: Transportation
ISBN: 9780309066013
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This report provides a method to define and measure the costs of personal immobility at a local level and contains a compendium of public transportation practices that address immobility, help reduce costs, and possibly provide economic benefits to both the riders and the larger community. The focus is on practices that assist people who need transportation to health care or who are transitioning from welfare to work. This report should be of interest to planners, decision makers, and social service and transportation providers. It should also serve as a resource to assist decision makers and transportation service providers in using their services more effectively to address the issue of personal immobility.

Soft Rock Mechanics and Engineering

Soft Rock Mechanics and Engineering
Author: Milton Kanji
Publisher: Springer Nature
Total Pages: 753
Release: 2019-11-24
Genre: Science
ISBN: 3030294773
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This book offers a practical reference guide to soft rock mechanics for engineers and scientists. Written by recognized experts, it will benefit professionals, contractors, academics, researchers and students working on rock engineering projects in the fields of civil engineering, mining and construction engineering. Soft Rock Mechanics and Engineering covers a specific subject of great relevance in Rock Mechanics – and one that is directly connected to the design of geotechnical structures under difficult ground conditions. The book addresses practical issues related to the geomechanical properties of these types of rock masses and their characterization, while also discussing advances regarding in situ investigation, safety, and monitoring of geotechnical structures in soft rocks. Lastly, it presents important case histories involving tunnelling, dam foundations, coal and open pit mines and landslides.

Energy Research Abstracts

Energy Research Abstracts
Author:
Publisher:
Total Pages: 496
Release: 1988
Genre: Power resources
ISBN:
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