A Practical Method to Analyze the System Effects of a Metal-plate-connected Wood Truss Assembly

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ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (434 download)

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Book Synopsis A Practical Method to Analyze the System Effects of a Metal-plate-connected Wood Truss Assembly by : Da-Ren Dung

Download or read book A Practical Method to Analyze the System Effects of a Metal-plate-connected Wood Truss Assembly written by Da-Ren Dung and published by . This book was released on 1999 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents a practical method to model an actual Metal-Plate- Connected (MPC) roof truss assembly using a commercial program, SAP2000, to investigate its system performance. Truss assembly modeling was examined because the conventional single truss design method ignores system effects, such as variability of modulus of elasticity (MOE), interaction of sub-assemblies, realistic boundary conditions, etc. Two types of semi-rigid MPC joint models, linear spring (LS) joint model and a truss plate manufacturer's (TPM's) joint model, were used for the truss and truss assembly models. To verify the truss models using the LS joint model, the predicted deflections of individual trusses and the load sharing of nine-truss roof assembly models were compared with experimental results from the literature. Fourteen individual trusses (the components of the actual roof truss assembly) using TPM's joint models were also verified by comparing the Combined Stress Index (CSI) values with the CSI values provided by the TPM. Both design and one set of random material properties were used in the analysis of the actual roof truss assembly model. The predictions for truss models using the LS joint model for truss deflections and load sharing effect agree with the experimental results. The CSI values for individual trusses with the TPM's joint model matched the CSI values provided by the TPM. The load distribution in an actual roof truss assembly is strongly influenced by the interaction of sub-assemblies and by the boundary conditions. In the truss assembly, the prediction of location and value of maximum CSI are different from those for the single truss. The truss with the maximum CSI value of 0.91 among fourteen individual truss types decreased to 0.52 and 0.51 when this truss is in the assembly with design and random material properties, respectively. Moreover, the truss with a maximum CSI of 1.03 in the assembly (with design properties) had a CSI value of only 0.95 as an individual truss. Although the CSI of one truss type increased over 1.0 in the assembly, the CSI of most other trusses decreased (by as much as 43%). So, the behavior of a single truss is different when the truss is in the assembly. The benefits of using an assembly model compared to the conventional truss design method are in providing increased safety through improved analysis and in a potential reduction in construction cost.

Stability and Reliability Analysis of Metal Plate Connected Wood Truss Assemblies

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (68 download)

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Book Synopsis Stability and Reliability Analysis of Metal Plate Connected Wood Truss Assemblies by :

Download or read book Stability and Reliability Analysis of Metal Plate Connected Wood Truss Assemblies written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes a study on the stability capacity and lateral bracing force of wood beam-columns and metal plate connected (MPC) wood truss assemblies. A user-friendly computer program, SATA, was developed based on the finite element method (FEM). The program can be used to perform three-dimensional nonlinear structural analyses by using the Newton-Raphson and arc-length methods. The Monte Carlo simulation and response surface methods have also been incorporated into the program for the purpose of reliability analyses. Experimental studies were conducted to provide input parameters and verification for the developed software. Material property tests were performed to consider a variety of materials. Biaxial eccentric compression tests of wood beam-columns and full-scale tests of MPC wood truss assemblies were also carried out to study the critical buckling load and lateral bracing force. The program predictions were in good agreement with the test results. A reliability analysis was conducted for a simplified MPC wood truss assembly using the developed program. The effect of the variation of the structural behaviour and external loads on the critical buckling load of the truss assembly was studied. The adequacy of the 2% rule-of-thumb was also studied. This research bridges the knowledge gap that currently exists in the understanding and design of MPC wood truss assemblies and their lateral bracing systems. The test database and the output of the developed program contributes to the development of more efficient design methods for MPC wood truss assemblies and other structures where buckling failure is of concern.

System Effects in Metal Plate Connected Wood Truss Assemblies

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ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis System Effects in Metal Plate Connected Wood Truss Assemblies by : John M. Drozdek

Download or read book System Effects in Metal Plate Connected Wood Truss Assemblies written by John M. Drozdek and published by . This book was released on 1999 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of Metal Plate Connected Wood Truss Design

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ISBN 13 :
Total Pages : 834 pages
Book Rating : 4.:/5 (392 download)

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Book Synopsis A Study of Metal Plate Connected Wood Truss Design by : Kenneth J. Gaydon

Download or read book A Study of Metal Plate Connected Wood Truss Design written by Kenneth J. Gaydon and published by . This book was released on 1998 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to perform full-scale wood truss testing with the objective of establishing a correlation between the empirical method of truss analysis and the analytical method of truss analysis.

Comparison of Analysis Methods for Metal Plate Connected Wood Trusses

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (246 download)

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Book Synopsis Comparison of Analysis Methods for Metal Plate Connected Wood Trusses by : Charles Michael Jones

Download or read book Comparison of Analysis Methods for Metal Plate Connected Wood Trusses written by Charles Michael Jones and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Practical Approach to Model the Behavior of a Metal-plate-connected Wood Truss System

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ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (382 download)

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Book Synopsis A Practical Approach to Model the Behavior of a Metal-plate-connected Wood Truss System by : Zhong Li

Download or read book A Practical Approach to Model the Behavior of a Metal-plate-connected Wood Truss System written by Zhong Li and published by . This book was released on 1996 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-plate-connected (MPC) trusses have traditionally been designed based on a tributary load distribution and a simplified truss model. This design method ignores the load-sharing and composite action in MPC roof truss systems, the semi-rigidity of MPC joints, and joint eccentricity. The main objective of this study was to provide a practical approach to model MPC trusses and roof truss systems by using a commercial program and investigate the system performance of MPC roof trusses with plywood sheathing. The model takes into account the complexities of system behavior from load-sharing and composite action, the semi-rigidity of the MPC joints, and joint eccentricity. Model verification was conducted by comparing the predicted deflections, member internal forces, truss strengths, and load-sharing of four nine-truss roof systems with experimental results from the literature. A strength simulation program for trusses and truss systems was also developed. The correlated lumber strength properties were generated using a multivariate normal approach to preserve the correlation between properties. Failure modes examined in this project included wood member failure and joint failure. Joint failure criteria were based on the experimental strengths of heel joints, bottom-chord-tension-splice joints and web at the bottom chord joints from the literature. This study provided a practical approach to model MPC trusses and truss systems. Predictions for truss deflections, strengths, member internal forces, and load-sharing agree with the experimental results. Through strength simulations, it was found that the predominant failure mode for simulated 3:12 and 6:12 slope, 28-foot-span trusses is heel joint failure, and if a weakest-link theory is used, no strength increase was observed for trusses inside of truss systems, but significant load-sharing was found for localized single truss loading.

The Effects of Fabrication Defects on the Structural Performance of Metal Plate Connected Wood Trusses

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ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis The Effects of Fabrication Defects on the Structural Performance of Metal Plate Connected Wood Trusses by : Albert L. Hall

Download or read book The Effects of Fabrication Defects on the Structural Performance of Metal Plate Connected Wood Trusses written by Albert L. Hall and published by . This book was released on 2002 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computing Instability Effects and Performance of End-grain Nailed Spacer Blocks in Wood Truss Assemblies

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ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Computing Instability Effects and Performance of End-grain Nailed Spacer Blocks in Wood Truss Assemblies by : Tamilselvan Samiappan

Download or read book Computing Instability Effects and Performance of End-grain Nailed Spacer Blocks in Wood Truss Assemblies written by Tamilselvan Samiappan and published by . This book was released on 2005 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structural Integrity of Lightweight Wood Truss Assemblies Exposed to Fire

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ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (144 download)

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Book Synopsis Structural Integrity of Lightweight Wood Truss Assemblies Exposed to Fire by : Kelly Harman

Download or read book Structural Integrity of Lightweight Wood Truss Assemblies Exposed to Fire written by Kelly Harman and published by . This book was released on 2006 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightweight wood construction has become more and more popular in residential floor and roof design. It is desirable for its versatility, low cost, and ease of construction. This brings many concerns to the firefighting community. Lightweight construction does not have the fire resistance that typical solid joist and rafter construction offer. Many firefighters have been injured and others have lost their lives due to early undetectable collapse of these structures. Twelve tests were conducted to analyze the heat transfer of lightweight wood trusses connected with metal truss plates. Char depths and temperature readings are measured and evaluated. Manufacturing tolerances were also introduced to evaluate the charring effects. This paper also summarizes previous research on the structural performance of wood elements and assemblies when exposed to fire as well as methodologies and algorithms available to predict their behavior. Difficulties in researching wood are presented along with variations in the charring rate of wood.

Probabilistic Analysis of Metal Plate Connected Wood Trusses

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ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Probabilistic Analysis of Metal Plate Connected Wood Trusses by : James L. Yates

Download or read book Probabilistic Analysis of Metal Plate Connected Wood Trusses written by James L. Yates and published by . This book was released on 1989 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recommended Code of Standard Practice for the Metal Plate Connected Wood Truss Industry

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ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (385 download)

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Book Synopsis Recommended Code of Standard Practice for the Metal Plate Connected Wood Truss Industry by : Truss Plate Institute

Download or read book Recommended Code of Standard Practice for the Metal Plate Connected Wood Truss Industry written by Truss Plate Institute and published by . This book was released on 1977 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metal Plate Connected Wood Truss Handbook

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Publisher : Woodtruss Council of Amer
ISBN 13 : 9780963873804
Total Pages : 303 pages
Book Rating : 4.8/5 (738 download)

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Book Synopsis Metal Plate Connected Wood Truss Handbook by : Edward E. Callahan

Download or read book Metal Plate Connected Wood Truss Handbook written by Edward E. Callahan and published by Woodtruss Council of Amer. This book was released on 1993-01-01 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fire Endurance Modeling of Metal-plate Connected Wood Trusses

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ISBN 13 :
Total Pages : 430 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Fire Endurance Modeling of Metal-plate Connected Wood Trusses by : Deepak Kumar Shrestha

Download or read book Fire Endurance Modeling of Metal-plate Connected Wood Trusses written by Deepak Kumar Shrestha and published by . This book was released on 1992 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Assembly Effects on Trussed Roof Systems

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ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Assembly Effects on Trussed Roof Systems by : Timothy G. La Bissoniere

Download or read book Assembly Effects on Trussed Roof Systems written by Timothy G. La Bissoniere and published by . This book was released on 1988 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biennial Bibliography

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ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Biennial Bibliography by : Oregon State University. Forest Research Laboratory

Download or read book Biennial Bibliography written by Oregon State University. Forest Research Laboratory and published by . This book was released on 2000 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Semirigid Analysis of Metal Plate Connected Wood Trusses

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ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Semirigid Analysis of Metal Plate Connected Wood Trusses by : R. Gupta

Download or read book Semirigid Analysis of Metal Plate Connected Wood Trusses written by R. Gupta and published by . This book was released on 1990 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Forest Products Journal

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ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Forest Products Journal by :

Download or read book Forest Products Journal written by and published by . This book was released on 1992 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: