Posted by: mskhaled - 01-18-2011, 06:37 AM - Forum: Request
- No Replies
Does anyone have waterproofing detail around a plunged steel column and basement raft/slab interface? The Plunge column often use for top-down basement construction or supporting prop/strut which support retaining wall. Steel Construction Institute (SCI) has a publication titled 'Steel Intensive Basements Guide' may have some detail published. This can not be varified as I do not have the publication.
Seismic Design of Precast/Prestressed Concrete Structures
Year of Publication: 2007
Number of Pages: 487
Published by: Precast/Prestressed Concrete Institute
Authors: Ned M. Cleland and S.K. Ghosh
First Edition
This manual provides current information on precast design within the context of the code requirements for seismic design, ongoing research, and the authors’ opinions about appropriate practice.
It must be emphasized that this manual, although sponsored by PCI, does not represent a consensus recommended practice. It represents opinions of the authors concerning some ways in which precast design may be carried out to conform to code requirements and to perform acceptably under seismic effects.
The methods and procedures discussed and illustrated are not a substitute for the sound professional judgment of engineers familiar with both earthquake effects and precast concrete construction. This manual will provide the engineer with acceptable ways of applying the seismic design provisions of ACI 318-02, ASCE 7-02, and IBC 2003 to precast concrete structures.
Contents: Chapter 1 – Introduction
Overview
Nature of Earthquake Motion
Design Philosophy
Seismic Design by the 2003 IBC
Evolution of Seismic Design Criteria
Response of Concrete Buildings to Seismic Forces
Seismic Design Requirements of the 2003 IBC
Impact of the 2003 IBC Seismic Design Provisions
Seismic Design Provisions for Precast Concrete Structures
References
Chapter 2 – Shear Wall Systems
Introduction
The Design Process for Precast Concrete shear Wall Systems
Four-Story Parking Garage Design Example
Chapter 3 – Seismic Design of Large-panel Precast Concrete Buildings
Introduction
Low-Rise Buildings with vertical Wall Panels
One-Story Warehouse Assigned to Seismic Design Category C
One-Story buildings Assigned to Seismic Design Category D
Multi-Story Large Panel Buildings
Mid-Rise Residential Building – Seismic Design Category C
Mid-Rise Residential Building – Seismic Design Category D (Emulative Design)
Mid-Rise Residential Building – Seismic Design Category D (Unbonded Post-Tensioned Design)
Alternate Design for Structures Assigned to High Seismic Design Categories Using Low-R-Factors and Elastic Design
Chapter 4 – Frame Design
Introduction
Frame Classifications for Seismic Considerations
Prototype Office Building for Design Examples
Ordinary Moment Frames
Special Moment Frames for Seismic Design Category C
Special Moment Frames for Seismic Design Category D, E, or F
Conclusion
References
Chapter 5 – Diaphragm Design in Precast-Prestressed Concrete Buildings
Introduction
Precast Floor Systems
Diaphragm Behavior
Diaphragm Connections
Diaphragm Design Forces
Diaphragm Rigidity or Flexibility
Low and Moderate Seismic Risk Design
High Seismic Risk Design
Advanced Diaphragm Design
Conclusion
Chapter 6 – Additional Design Considerations
Introduction
Seismic Detailing Considerations – Elements not Part of the Lateral-Force-Resisting System
Foundation Design
Soil Structure Interaction (SSI)
References
Chapter 7 – Advanced Systems
Seismic Research
Design Example – Five Story Precast Concrete Office Building in High seismic Design Category
Modified PRESSS Procedures (by Sritharan et al.)
Comparison of Design Results
References
This series EN 14488 ‘Testing sprayed concrete’ includes the following parts:
- Part 1: Sampling fresh and hardened concrete
- Part 2: Compressive strength of young sprayed concrete
- Part 3: Flexural strengths (first peak, ultimate and residual) of fibre reinforced beam specimens
- Part 4: Bond strength of cores by direct tension
- Part 5: Determination of energy absorption capacity of fibre reinforced slab specimens
- Part 6: Thickness of concrete on a substrate
- Part 7: Fibre content of fibre reinforced concrete
Part 2 specifies two methods from which an estimate of the in situ compressive strength of young hardened sprayed concrete can be made.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This part of European Standard specifies a method for the determination of the flexural (first peak, ultimate and residual) strength of beam specimens of hardened sprayed concrete.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This part of European Standard specifies a method for the determination of the load/deflection response of aslab specimen in order to calculate the energy absorption capacity up to a specified deflection.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This standard describes methods for the determination of the thickness of sprayed concrete on a substrate after spraying. The results can also give an indication of the parallelism of the concrete to the substrate. The substrate may be rock, soil, concrete or other surface.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This part of European Standard specifies a method for the determination of the fibre content of sprayed concrete from either a fresh or hardened (i.e. before or after set) concrete sample. Only the method using a fresh sample is appropriate with polymer fibres, while both types are applicable with steel fibres.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This European Standard is applicable to sprayed concrete, to be used for repair and upgrading of structures, for new structures and for strengthening of ground.
This European Standard covers:
- classification related to consistence of wet mix;
- environmental exposure classes; young, hardened and fibre reinforced concrete;
- requirements for constituent materials, for concrete composition and for basic mix, for fresh and hardened concrete and all types of fibre reinforced sprayed concrete;
- specification for designed and prescribed mixes;
- conformity.
This European Standard is applicable to wet mix as well as dry mix sprayed concrete.
The substrates to which sprayed concrete can be applied include:
- ground (rock and soil);
- sprayed concrete;
- different types of formwork;
- structural components constituted of concrete, masonry and steel;
- drainage materials;
- insulating materials.
Additional or different requirements may be needed for applications not within this document, for instance-refractory uses.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
Elastic design of a single bay portal frame made of fabricated profiles
A single bay portal frame made of welded profiles is designed according to EN 1993-1-1. This worked example includes the elastic analysis of the frame using the 1st order theory, and all the verifications of the members based on the effective properties of the cross-sections (Class 4).
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
1. Prof. Devdas Menon
Department of Civil Engineering
Indian Institute of Technology Madras
2. Prof. Amlan Kumar Sengupta
Department of Civil Engineering
CONTENTS
Chapter 1: Introduction, Prestressing Systems and Material Properties
Topic
1.1 Introduction
1.1.1 Basic Concept
1.1.2 Early Attempts of Prestressing
1.1.3 Brief History
1.1.4 Development of Building Materials
1.2 Advantages and Types of Prestressing
1.2.1 Definitions
1.2.2 Advantages of Prestressing
1.2.3 Limitations of Prestressing
1.2.4 Types of Prestressing
1.3 Pre-tensioning Systems and Devices
1.3.1 Introduction
1.3.2 Stages of Pre-tensioning 1.3.3 Advantages of Pre-tensioning
1.3.4 Disadvantages of Pre-tensioning
1.3.5 Devices
1.3.6 Manufacturing of Pre-tensioned Railway Sleepers
1.4 Post-tensioning Systems and Devices
1.4.1 Introduction
1.4.2 Stages of Post-tensioning
1.4.3 Advantages of Post-tensioning
1.4.4 Disadvantage of Post-tensioning
1.4.5 Devices
1.4.6 Manufacturing of Post-tensioned Bridge Girder
1.5 Concrete (Part I)
1.5.1 Constituents of Concrete
1.5.2 Properties of Hardened Concrete (Part I)
1.6 Concrete (Part II)
1.6.1 Properties of Hardened Concrete (Part II)
1.6.2 Properties of Grout
1.6.3 Codal Provisions
1.7 Prestressing Steel
1.7.1 Forms of Prestressing Steel
1.7.2 Types of Prestressing Steel
1.7.3 Properties of Prestressing Steel
1.7.4 Codal Provisions
2.2 Losses in Prestress (Part II)
2.2.1 Friction
2.2.2 Anchorage Slip
2.2.3 Force Variation Diagram
2.3 Losses in Prestress (Part III)
2.3.1 Creep of Concrete
2.3.2 Shrinkage of Concrete
2.3.3 Relaxation of Steel
2.3.4 Total Time-dependent Loss
Chapter 3: Analysis of Members
Topic
3.1 Analysis of Members under Axial Load
3.1.1 Introduction
3.1.2 Analysis at Transfer
3.1.3 Analysis at Service
3.1.4 Analysis for Ultimate Strength
3.1.5 Analysis of Behavior
3.2 Analysis of Member under Flexure (Part I)
3.2.1 Introduction
3.2.2 Analyses at Transfer and at Service
3.3 Analysis of Member under Flexure (Part II)
3.3.1 Cracking Moment
3.3.2 Kern Point
3.3.3 Pressure Line
3.4 Analysis of Member under Flexure (Part III)
3.4.1 Analysis for Ultimate Strength
3.4.2 Variation of Stress in Steel
3.4.3 Condition at Ultimate Limit State
3.4.4 Analysis of a Rectangular Section
3.5 Analysis of Member under Flexure (Part IV)
3.5.1 Analysis of a Flanged Section
3.6 Analysis of Member under Flexure (Part V)
3.6.1 Analysis of Partially Prestressed Section
3.6.2 Analysis of Unbonded Post-tensioned Beam
3.6.3 Analysis of Behaviour Chapter 4: Design of Members
Topics
4.1 Design of Members
4.1.1 Calculation of Demand
4.1.2 Design of Sections for Axial Tension
4.2 Design of Sections for Flexure (Part I)
4.2.1 Preliminary Design
4.2.2 Final Design for Type 1 Members
4.2.3 Special Case
4.3 Design of Sections for Flexure (Part II)
4.3.1 Final design of Type 2 members
4.4 Design of Sections for Flexure (Part III)
4.4.1 Choice of Sections
4.4.2 Determination of Limiting Zone
4.4.3 Post-tensioning in Stages
4.5 Design of Sections for Flexure (Part IV)
4.5.1 Magnel’s Graphical Method
4.6 Detailing Requirements for Flexure
4.6.1 Tendon Profile
4.6.2 Minimum Amount of Reinforcement
4.6.3 Miscellaneous Requirements
Chapter 5: Analysis and Design for Shear and Torsion
Topics
5.1 Analysis for Shear
5.1.1 Stress in an Uncracked Beam
5.1.2 Types of Cracks
5.1.3 Components of Shear Resistance
5.1.4 Modes of Failure
5.1.5 Effect of Prestressing Force
5.2 Design for Shear (Part I)
5.2.1 General Comments
5.2.2 Limit State of Collapse for Shear
5.3 Design for Shear (Part II)
5.3.1 Design of Transverse Reinforcement
5.3.2 Detailing Requirements
5.3.3 Design Steps
5.4 Analysis for Torsion
5.4.1 Stresses in an Uncracked Beam
5.4.2 Crack Pattern Under Pure Torsion
5.4.3 Components of Resistance for Pure Torsion
5.4.4 Modes of Failure
5.4.5 Effect of Prestressing Force
5.5 Design for Torsion (Part I)
5.5.1 General Comments
5.5.2 Limit State of Collapse for Torsion
5.5.3 Design of Longitudinal Reinforcement
5.6 Design for Torsion (Part II)
5.6.1 Design of Transverse Reinforcement
5.6.2 Detailing Requirements
5.6.3 Design Steps
Chapter 6: Calculations of Deflection and Crack Width
Topics
6.1 Calculation of Deflection
6.1.1 Deflection due to Gravity Loads
6.1.2 Deflection due to Prestressing Force
6.1.3 Total Deflection
6.1.4 Limits of Deflection
6.1.5 Determination Moment of Inertia
6.1.6 Limits of Span-to-effective Depth Ratio
6.2 Calculation of Crack Width 6.2.1 Method of Calculation
6.2.2 Limits of Crack Width
Chapter 7: Transmission of Prestress
Topics
7.1 Transmission of Prestress (Part I)
7.1.1 Pre-tensioned Members
7.2 Transmission of Prestress (Part II)
7.2.1 Post-tensioned Members
Chapter 8: Cantilever and Continuous Beams
Topics
8.1 Cantilever Beams
8.1.1 Analysis
8.1.2 Determination of Limiting Zone
8.1.3 Cable Profile
8.2 Continuous Beams (Part I)
8.2.1 Analysis
8.2.2 Incorporation of Moment due to Reactions
8.2.3 Pressure Line due to Prestressing Force
8.3 Continuous Beams (Part II)
8.3.1 Principle of Linear Transformation
8.3.2 Concordant Tendon Profile
8.3.3 Tendon Profiles
8.3.4 Partially Continuous Beams
8.3.5 Analysis for Ultimate Strength
8.3.6 Moment Redistribution
Chapter 9: Special Topics
Topics
9.1 Composite Sections
9.1.1 Introduction
9.1.2 Analysis of Composite Sections
9.1.3 Design of Composite Sections
9.1.4 Analysis for Horizontal Shear Transfer
9.2 One-way Slabs
9.2.1 Introduction
9.2.2 Analysis and Design
9.3 Two-way Slabs (Part I)
9.3.1 Introduction
9.3.2 Analysis and Design
9.3.3 Features in Modeling and Analysis
9.3.4 Distribution of Moments to Strips
9.5 Compression Members
9.5.1 Introduction
9.5.2 Analysis
9.5.3 Development of Interaction Diagram
9.5.4 Effect of Prestressing Force
9.6 Circular Prestressing
9.6.1 Introduction
9.6.2 General Analysis and Design
9.6.3 Prestressed Concrete Pipes
9.6.4 Liquid Storage Tanks
9.6.5 Ring Beams
9.6.6 Conclusion
File size 17.2 Mb
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
This's a classical steel book, mainly focus on stability.
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:
Seismological Research Letters (SRL) is published bimonthly by the Seismological Society of America. SRL is a unique journal: the first to serve as a general forum for informal communication among seismologists, as well as between seismologists and those nonspecialists interested in seismology and related disciplines. SRL includes articles on topics of broad seismological and earthquake engineering interest, opinion pieces on current seismological topics, news and notes about seismology and seismologists in the U.S. and internationally, earthquake reports, the Electronic Seismologist and EduQuakes columns, strong-motion network reports, equipment news, and letters to the editor. A section for the Eastern Section of the Seismological Society of America focuses on intracontinental and eastern North American seismology. Abstracts of papers to be presented at the Annual Meeting of the Seismological Society of America and at the annual meeting of the SSA Eastern Section also appear in SRL.
1.The New Zealand National Seismograph Network
Tanja Petersen, Ken Gledhill, Mark Chadwick, Nora H. Gale, and John Ristau
2.Modular Filter-based Approach to Ground Motion Attenuation Modeling
Vladimir Graizer and Erol Kalkan
3.Estimation of Human Casualties from Earthquakes in Pakistan—An Engineering Approach
S. T. Maqsood and J. Schwarz
4.8 March 2010 Elaz -Kovanc lar (Turkey) Earthquake: Observations on Ground Motions and Building Damage
Sinan Akkar, Alper Aldemir, Aysegul Askan, Sadik Bakir, Erdem Canbay, I. Ozan Demirel, M. Altug Erberik, Zeynep Gülerce, Polat Gülkan, Erol Kalkan, Surya Prakash, M. Abdullah Sandikkaya, Volkan Sevilgen, Beliz Ugurhan, and Emrah Yenier
5.The Possibility of Site Effects: The Anjar Case, following Past Earthquakes in Gujarat, India
B. K. Rastogi, A. P. Singh, B. Sairam, S. K. Jain, F. Kaneko, S. Segawa, and J. Matsuo
6.New Regional Moment Tensors in South Africa
Martin B. C. Brandt and Ian Saunders
7.Seismological Aspects of the Abou Dabbab Region, Eastern Desert, Egypt
H. M. Hussein, S. S. R. Moustafa, E. Elawadi, N. S. Al-Arifi, and N. Hurukawa
8.The Possibility of Inferring Rupture Depths of Fault Earthquakes from Zero-strain Points of Coseismic Surface Deformation
Zhen Fu, Caibo Hu, Haiming Zhang, Yongen Cai, and Yijie Zhou
9.Detection and Identification of Low-magnitude Seismic Events near Bala, Central Turkey, Using Array-based Waveform Correlation
Korhan U. Semin, Nurcan M. Ozel, and Ocal Necmioglu
Code:
***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation: