Hello forum members,
I have encountered a problem in etabs the error is something like this .
***warning ***
the solution lost 9.5 digits of accuracy for dof uz of joint 4299 located at x
also
*warning***
for starting load vector: load = dead
load is applied to one or more massless degrees of freedom,
corresponding ritz modes may be unavailable or inaccurate for dynamics
also
how to check for soft storey in etabs?
This manual provides guidelines and instructions for performing and documenting field work. The manual is a ready reference for anyone engaged in field-oriented engineering geology or geotechnical engineering. The manual is written for general engineering geology use as well as to meet Reclamation needs. The application of geology to solving engineering problems is emphasized, rather than academic or other aspects of geology.
The manual provides guidance for:
• Geologic classification and description of rock and rock discontinuities
• Engineering classification and description of soil and surficial deposits
• Application of standard indexes, descriptors, and terminology
• Geologic mapping, sampling, testing, and performing discontinuity surveys
• Exploratory drilling
• Soil and rock logging
• Acquisition of groundwater data
• Core logging
• Soil logging
• Investigation of hazardous waste sites
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Some Several Turkish Standarts;
Specification for Structural Design
Concrete Specification
Calculation for Steel Structures
Concrete Test Specification at Construction Site
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Foundation and Earth Structures - Design Manual
by NAVFAC
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Design of Pile Foundations-(US Army Corps of Engineers)
This manual provides information, foundation exploration and testing procedures, load test methods, analysis techniques, allowable criteria, design procedures, and construction consideration for the selection, design, and installation of pile foundations
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I've been coming to this forum for about a year on a regular basis however I am still not classified as being active. I've also shared some stuff but nothing yet? Is there a some sort of hurdle for becoming one or a point system in place for reputations?
Earthquake Geotechnical Engineering: 4th International Conference on Earthquake Geotechnical Engineering - Invited Lectures
Earthquake Geotechnical Engineering: 4th International Conference on Earthquake Geotechnical Engineering - Invited Lectures
Earthquake Geotechnical Engineering: 4th International Conference on Earthquake Geotechnical Engineering - Invited Lectures (Geotechnical, Geological, ... Geological, and Earthquake
Engineering)
By Kyriazis D. Pitilakis
The book contains the invited keynote and theme lectures presented at the 4th International Conference on Geotechnical Earthquake Engineering (4ICEGE). The conference was held in Thessaloniki, Greece, from 25 to 28 June, 2007, and was organized by the Technical Committee of Earthquake Geotechnical Engineering (TC4) of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE), the Hellenic Scientific Society of Soil Mechanics and Geotechnical Engineering and the Laboratory of Soil Dynamics and Geotechnical Earthquake Engineering of Aristotle University of Thessaloniki.
It provides a comprehensive overview of the progress achieved to date in soil dynamics and geotechnical earthquake engineering, as well as in engineering seismology and seismic risk assessment and management. In situ and laboratory testing, theoretical issues and numerical modeling of soil dynamics, seismic hazard with emphasis on the long-period ground motion displacements, site effects and microzonation, liquefaction assessment and mitigation, soil-structure interaction, performance based design of geotechnical structures, earthquake resistant design and performance of shallow and deep foundations, retaining structures, embankments and dams, underground structures and lifelines, are all among the different topics covered in this book. Interdisciplinary subjects such as vulnerability assessment of, transportation networks and lifelines as well as of geotechnical structures are also discussed. Finally, the book provides a thorough presentation of the existing worldwide important large-scale testing facilities and geotechnical strong ground motion arrays.
The book is organized in nineteen chapters written by distinguished experts and includes the 2nd Ishihara Lecture given by Prof. Izzat M. Idriss in honor of Prof. Kenji Ishihara. The aim is to present the current state of knowledge and engineering practice, addressing recent and ongoing developments while also projecting innovative ideas for future research and development.
Table of contents:
Preface. 1. SPT- and CPT-based relationships for the residual shear strenght of liquefield soils; I.M. Idriss, R.W. Boulanger. 2. Long period strong ground motion and its use as input to displacement based design; E. Faccioli et al. 3. Site effects: from observation and modelling to accounting for them in building codes; F.J. Chavez-Garcia. 4. Source and site factors in microzonation; A. Ansal, G Tonuk. 5. A Review of Large Scale Testing Facilities in Geotechnical Earthquake Engineering; A. Elgamal et al. 6. Modelling of dynamic soil problems; D.M. Wood. 7. Field seismic testing in geotechnical earthquake engineering; K.H. Stokoe, II. 8. Liquefaction strengths of poorly-graded and well-graded granular soils investigated by lab tests; T. Kokusho. 9. Shallow and deep foundations under fault rupture or strong seismic shaking; G. Gazetas et al. 10. Seismic design and performance of surface foundations; M. Pender. 11. Liquefaction performance of shallow foundations in presence of a soil crust; G. Bouchovalas, P. Dakoulas. 12. Seismic design of pile foundations for liquefaction effects; R.W. Boulanger et al. 13. Seismic analysis and design of geotechnical structures; S. Iai, T. Tobita. 14. Simplified seismic slope displacement procedures; J.D. Bray. 15. Developments of soil improvement technologies for mitigation of liquefaction risk; I. Towhata. 16. Remediation methods against liquefaction which can be applied to existing structures; S. Yasuda. 17. Lifeline performance under extreme loading during earthquakes; T.D. O'Rourke, A.L. Bonneau. 18. Seismic risk assessment of underground structures under transient ground deformations; R. Paolucci, K. Pitilakis. 19. Issues in seismic risk assessment of transportation networks; A.S. Kiremidjian et al. Index.
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Municipal Solid Waste to Energy Conversion Processes: Economic, Technical, and Renewable Comparisons
Municipal Solid Waste to Energy Conversion Processes: Economic, Technical, and Renewable Comparisons
Author(s): Gary C Young
Publisher: Wiley
Published Year/Date : 2010
Pages : 384
Format : PDF (High Quality)
Language : English
ISBN-10 : 0470539674
ISBN-13 :
Size: 3.3 MB
More Book Info:
A technical and economic review of emerging waste disposal technologies
Intended for a wide audience ranging from engineers and academics to decision-makers in both the public and private sectors, Municipal Solid Waste to Energy Conversion Processes: Economic, Technical, and Renewable Comparisons reviews the current state of the solid waste disposal industry. It details how the proven plasma gasification technology can be used to manage Municipal Solid Waste (MSW) and to generate energy and revenues for local communities in an environmentally safe manner with essentially no wastes.
Beginning with an introduction to pyrolysis/gasification and combustion technologies, the book provides many case studies on various waste-to-energy (WTE) technologies and creates an economic and technical baseline from which all current and emerging WTE technologies could be compared and evaluated.
Topics include:
Pyrolysis/gasification technology, the most suitable and economically viable approach for the management of wastes
Combustion technology
Other renewable energy resources including wind and hydroelectric energy
Plasma economics
Cash flows as a revenue source for waste solids-to-energy management
Plant operations, with an independent case study of Eco-Valley plant in Utashinai, Japan
Extensive case studies of garbage to liquid fuels, wastes to electricity, and wastes to power ethanol plants illustrate how currently generated MSW and past wastes in landfills can be processed with proven plasma gasification technology to eliminate air and water pollution from landfills.
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Application of Geophysical Methods to Highway Related Problems
The purpose of this section is to provide highway engineers with a basic knowledge of geophysics and nondestructive test (NDT) methods for solving specific engineering problems during geotechnical site investigation, construction, and maintenance of highways. The web manual is not intended to make engineers experts in the field of geophysics, but rather to provide them with tools that will assist them in the use of suitable geophysical and NDT techniques to evaluate problems for design, planning, construction, or remediation efforts.
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