Please wait, while we are loading the content...
Please wait, while we are loading the content...
| Content Provider | Springer Nature Link |
|---|---|
| Author | Ferreira, A. J. M. |
| Copyright Year | 2003 |
| Abstract | A third-order theory of shear deformation is used for description of a stress-strain state of concrete shells reinforced with external composite laminates. Reinforced concrete structures play a key role in civil engineering. Corrosion of steel re-bars used for reinforcement of concrete structures is currently urgent, this problem complicated due to porosity of concrete. To get an adequate solution of the problem of strengthening and retrofitting of degraded structures, external composites bonded to the faces of concrete structures are widely used. Deformation of such kind of structures is highly nonlinear. For the development of nonlinear geometric and material models, we resort to the numerical methods, in particular, to a finite-element method. In the analysis of composite laminates, high-order shear deformations are more and more required. The proposed theory is an alternative to the first-order one developed by Ferreira et al. earlier. The theory has been approbated on a shell element which structure represents a layered discretization of laminate materials. For modeling of the deformation of concrete in compression, perfectly plastic behavior and strain-hardening plasticity of the material have been considered. We have discussed a dual criterion of yielding and fracture of the material in terms of stresses and strains which is supplemented with a broken-line representation of tension deformation curve, the horizontal portion of this line corresponding to the beginning of yielding. The behavior of unidirectional composites is linear-elastic (brittle). Finite-element analysis of a stress-strain state of a concrete bar reinforced with composite strips has been performed for three-point bending. The observable reinforcement effects are described, results of the application of the third-order theory and comparative analysis of the reinforcement of a concrete structure with composite strips and the steel are given. |
| Starting Page | 128 |
| Ending Page | 135 |
| Page Count | 8 |
| File Format | |
| ISSN | 00392316 |
| Journal | Strength of Materials |
| Volume Number | 35 |
| Issue Number | 2 |
| e-ISSN | 15739325 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2003-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Characterization and Evaluation Materials Mechanics Structural Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|