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A Simplified Test For Adhesive Behavior In Wood Sections Exposed To Fire
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Book Synopsis A Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire by : Erwin L. Schaffer
Download or read book A Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire written by Erwin L. Schaffer and published by . This book was released on 1968 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: A relatively simple test procedure was developed to evaluate the behavior of various adhesives near fire-exposed surfaces in laminated constructions. A number of sections cut from laminated blocks were exposed to fire on one surface. After this exposure, the sections were transversely cut, and the gluelines were examined for separation depth. In addition, the cool specimens were broken along the glue joints so as to be able to determine the residual bonded area. An equation incorporating both the separation depth and the residual bonded area at the joints was utilized to obtain a gbsdegradation indexgcs on which adhesive behavior near fire-exposed surfaces can be quantitatively based. This index was used to make a preliminary grouping of the behavior under fire of six types of adhesives in laminated sections of Douglas-fir and southern pine.
Book Synopsis Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire by :
Download or read book Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire written by and published by . This book was released on 1968 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire by : E. L. Schaffer
Download or read book A Simplified Test for Adhesive Behavior in Wood Sections Exposed to Fire written by E. L. Schaffer and published by . This book was released on 1968 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes a test to evaluate behavior of various adhesives near fire-exposed surfaces in laminated constructions. Included are results obtained on six adhesives in two wood species. (Author).
Book Synopsis Strength Properties of Wood Adhesives After Exposure to Fire by : Björn Källander
Download or read book Strength Properties of Wood Adhesives After Exposure to Fire written by Björn Källander and published by . This book was released on 2001 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nordtest and SP Swedish National Testing and Research Institute (SP) have financed a study to draft a common Nordic test method to classify wood adhesives for structural purposes according to strength properties after fire exposure. The study has been planned and carried out in cooperation between SP and Norwegian Institute of Wood Technology (NTI) with participation of Otto Graf Institute in Germany (FMPA). Glulam beams produced with six different adhesives have been exposed to fire. Temperature distribution during the fire exposure test, weight loss and charring rate have been determined. Shear strength of glulines and wood have been determined and delamination tests have been carried out on samples exposed to fire and samples not exposed to fire. Short term shear strength and creep rupture tests at elevated temperature have been carried out on samples with wood adhesives used in the test. Preliminary calculations of temperature distributions during fire in wooden members protected against direct fire exposure by gypsum board have been made. The results of the study on beams not protected by gypsum indicate that a wood adhesive that has shown favourable results in a creep rupture test at elevated temperature (80 deg C) also will perform well during and after direct fire exposure. A static load test at elevated temperature can be used as an efficient and cheap method as an alternative to fire exposure tests of glued products for structural use. The results of the preliminary calculations on temperature distributions during fire exposure of gypsum protected smaller wood members indicate that under certain circumstances, the temperature can reach and stay at temperatures above 120 deg C for a longer period of time. An additional test at higher temperature could be needed for adhesives intended for such structures.
Book Synopsis U.S. Forest Service Research Note FPL by :
Download or read book U.S. Forest Service Research Note FPL written by and published by . This book was released on 1967 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainability and Toxicity of Building Materials by : Emina K. Petrović
Download or read book Sustainability and Toxicity of Building Materials written by Emina K. Petrović and published by Elsevier. This book was released on 2024-02-10 with total page 693 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainability and Toxicity of Building Materials: Manufacture, Use and Disposal Stages provides a review of toxicity impacts from building materials, including the consideration of the toxicity in the extraction and manufacture of the materials and eventual dismantling and disposal. This book also offers the potential to stimulate future developments in this area, both in terms of knowledge-building and methods for future research. With the increasing emphasis on sustainable construction, it has become important to better understand the impacts of common materials. Civil and structural engineers, postgraduates, researchers as well as architects will find this book to be useful in selecting sustainable building materials.While many building and furnishing materials are safe to use, in recent decades, some have had to be redesigned due to recognition that they contained problem chemicals like formaldehyde. Unfortunately, there is still limited understanding of the toxic impacts of many synthetic chemicals which means that the risks in this area are not well recognized. With increasing interest in using limited resources more sustainably, definitions of what is sustainable should be expanded to move from the focus on energy and carbon impacts to also include more explicit consideration of toxicity impacts. Examines toxicity in the extraction and manufacturing of materials Presents the short and long-term toxicity effects of natural and manmade building materials Guides readers in selecting building materials that have a positive impact on the health of occupants and the environment
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wood Handbook by : Forest Products Laboratory (U.S.)
Download or read book Wood Handbook written by Forest Products Laboratory (U.S.) and published by . This book was released on 1974 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agriculture Handbook written by and published by . This book was released on 1949 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Book Synopsis Chromatographic Isolation of Some Cellulose Oligosaccharides by : Milton S. Feather
Download or read book Chromatographic Isolation of Some Cellulose Oligosaccharides written by Milton S. Feather and published by . This book was released on 1967 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reliability Formulation for the Strength and Fire Endurance of Glued-laminated Beams by :
Download or read book Reliability Formulation for the Strength and Fire Endurance of Glued-laminated Beams written by and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model was developed for predicting the statistical distribution of glued-laminated beam strength and stiffness under normal temperature conditions using available long span modulus of elasticity data, end joint tension test data, and tensile strength data for laminating-grade lumber. The beam strength model predictions compared favorably with test data for glued-laminated beam strength data with 8 and 10 laminations; however, the model predicted strength values 30 percent higher for glued-laminated beam strength data with 4 laminations. Fire endurance and structural resistance were evaluated by artificially reducing the cross section. This reduction accounts for char depth as well as for reduced wood strength caused by the elevated temperature. Average time-to-failure predictions using the developed model compared well with those from conventional prediction methods.
Book Synopsis Long-term Load Performance of Hardboard I-beams by : J. Dobbin McNatt
Download or read book Long-term Load Performance of Hardboard I-beams written by J. Dobbin McNatt and published by . This book was released on 1983 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper FPL written by and published by . This book was released on 1983 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PRO 8: 1st International RILEM Symposium on Timber Engineering by : Lars Boström
Download or read book PRO 8: 1st International RILEM Symposium on Timber Engineering written by Lars Boström and published by RILEM Publications. This book was released on 1999 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation, Maintenance and Upgrading of Wood Structures by : Alan D'Yarmett Freas
Download or read book Evaluation, Maintenance and Upgrading of Wood Structures written by Alan D'Yarmett Freas and published by ASCE Publications. This book was released on 1982-01-01 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared by the Subcommittee on Evaluation, Maintenance, and Upgrading of Timber Structures of the Committee on Wood of the Structural Division of ASCE. This report presents information on technical aspects of inspection, evaluation, reinforcement, repair, and rehabilitation of timber structures. Any structure, regardless of the material from which it is made, may be subject to a review of its ability to perform a specific function or functions. This report reviews factors that influence the serviceability of wood structures, including loadings, duration of loads, temperature, moisture and weathering. Effects of chemicals and fire, as well as insects, fungi, and other organisms that attack wood are also covered. Designing to avoid problems caused by these factors is discussed. Inspection techniques and equipment are described, along with guidelines on where to look and what to look for. A section of evaluation of wood structures includes criteria such as structural analysis, determination of loads, and estimating load carrying capacity.