Clt offers design flexibility and low environmental impacts. Jan 19, 2016 cross laminated timber clt has become a wellknown engineered timber product of global interest. Clt is usually constructed from softwood spruce, although it can be manufactured from larch, fir, douglas fir, pine or other timbers. The us edition of the clt handbook is a 572page guide and is the definitive. Structural openings, such as doors and windows, are incorporated within the panels.
Cross laminated timber clt a subcategory of engineered wood is a wood panel product made from gluing together layers of solidsawn lumber, i. Crosslaminated timber clt is an innovative timber product designed and processed by laminated timber solutions. Cbi market intelligence product factsheet cross laminated timber clt western europe 2015 4 figure 2. Cross timber systems panels are cut to size, including door and window openings, with. Though introduced to the european market about thirty years ago, clt is only now being adopted in north america. Using of cross laminated timber in russia, 52 pages, 3 appendices saimaa university of applied sciences, lappeenranta technology, double degree programme in civil and construction engineering tutors. In order to gain wide acceptance, cross laminated timber, as a product and a system, needs to be implemented in the north american codes and standards. Crosslaminated timber is a prefabricated, engineered wood building material with unique and often superior building, aesthetic, environmental and cost attributes. Mass timber elements, including crosslaminated timber clt. Clt crosslaminated timber application wood building systems language english research status complete summary the clt handbook provides vital how to information on clt for the design and construction community, and is a great source of information for regulatory authorities, fire services and others. Unified facilities guide specifications references are in agreement with umrl dated january 2020 section 06 17 19 crosslaminated timber 1116 note. Clt are panels formed by layers of wood glued to each other.
The material can be used prescriptively in buildings up to 6stories for offices and 5stories for residential. Possible to combine loads using all products of the hasslacher group. Design of cross laminated timber clt peter mestek dipl. Clicking on the \view\ option to download the pdf copy of the publication will. Wood structures not only have a significantly lower embodied energy and associ. Crosslaminated timber clt is a multilayered solid timber panel product manufactured to be used for wall, floor and roof elements of a buildings superstructure. Fire behaviour of crosslaminated solid timber panels. Clt solid wood panels are made up of odd number of layers and are available in di. By pushing research into new materials and systems she seeks to improve building performance and environmental impacts. First developed in switzerland in the 1970s, clt is an extension of the technology that began with plywood and may be best described as a jumbo plywood. One reason for this development is the commercial launch of the innovative laminar timber product cross laminated timber clt, a quasirigid composite, platelike engineered timber product, which is commonly.
Prefabricated rib panels by stora enso make the perfect choice for longspan structures and large open areas featuring unobstructed, columnfree spaces. Cross laminated timber clt is an engineered wood building system used to complement light. Timber has huge potential for rebuild the press, published may 14th, 2014. This chapter will introduce clt by tracing its background in research. The chapters of the handbook follow the building process on the.
Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Pdf cross laminated timber is an innovative plateshaped product presenting a laminated structure and excellent physicomechanical properties. Crosslaminated timber handbook related to key issues such as structural design, connectors, vibration, and fire resistance. The future of timber construction clt cross laminated timber a study about changes, trends and technologies of tomorrow photo. Introduction to cross laminated timber request pdf. Cross laminated timber clt is an innovative timber product designed and processed by laminated timber solutions. Cross laminated timber is an innovative plateshaped product presenting a laminated structure and excellent physicomechanical properties. Buyer requirements for clt requirements you must meet general product safety and liability the general product safety directive applies to all consumer products in the european union. Cross laminated timber clt which was first developed in europe in the 1990s is a new type of woodbased panel that is being manufactured by crossly laminating the laminae at right angle of fiber. However, formatting rules can vary widely between applications and fields of interest or study. She designed the first cross laminated timber clt structure built in oregon as part of an expansion of the oregon zoo, demonstrating clts viability on a significant project. Strength and stiffness of cross laminated timber clt panels. Chapter 5 connections connections in crosslaminated.
Cross laminated timber clt is widely used for load bearing applications in timber engineering. Dimensioning clt with stora ensos clt design software 26. Jul 25, 2012 it is also referred to by number of different names clt, xlam, solid timber, engineered timber and massive wood. We offer rib panels made from cross laminated timber clt and gluelaminated timber glulam by stora enso. The handbook is based on the original canadian edition of the clt handbook. This guide specification covers the requirements for fabrication and erection of cross laminated timber panels for walls, floors, roofs, partitions, and all metal shapes and hardware. Cross laminated timber is a solid, multilayered timber construction material. Cross laminated timber construction a panel presentation cross laminated timber or clt has been in the news around portland with new projects going up all over town. Clt is a wood paneling building system, that has the potential to be a costcompetitive, woodbased solution that complements the existing light frame and heavy timber. Each layer of boards is usually oriented perpendicular to adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer layers have the same orientation. Nov 06, 2014 issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Be able to identify code acceptance of gluedlaminated timber and crosslaminated timber. Cross laminated timber clt structural design issuu.
Cbi market intelligence product factsheet cross laminated timber clt western europe 2015 3 product specifications main species in the market. Numerous and frequentlyupdated resource results are available from this search. Recognize notable mass timber structures around the world 4. The layers are bonded using environmentally friendly adhesives. Gaining ground in europe, cross laminated timber construction is finding its way to the united states. Cross laminated timber clt is an innovative and environmentally sustainable engineered timber product which has superior inplane and outofplane bending strength compared to other conventional. The future of timber construction clt cross laminated timber. First developed in switzerland in the 1970s, clt is an extension of the technology that began with plywood and. Each layer of boards is usually oriented perpendicular to adjacent layers and glued on the wide faces of each board, usually in a symmetric way so that the outer. Crosslaminated timber clt is a largescale, prefabricated, solid engineered wood panel. Cross laminated timber clt design guide woodsolutions. Klh clt is a versatile building material characterized by its dimensional stability.
Cross laminated timber market size global clt industry. Mass timber elements, including cross laminated timber clt, are allowed outright for certain applications in the 2015 international building code ibc, which has been adopted by washington state. Crosslaminated timber construction an introduction. Cross laminated timber an introduction to lowimpact building materials andy sutton and daniel black, bre pete walker, university of bath this information paper provides a broad view of the benefits and limitations of cross laminated timber clt for those considering its use in construction projects. Crosslaminated timber clt a subcategory of engineered wood is a wood panel product made from gluing together layers of solidsawn lumber, i. Barriers to the design and use of crosslaminated timber. Gaining ground in europe, crosslaminated timber construction is finding its way to the united states. This article provides a stateoftheart report on some selected topics related to clt, in particular production and. Unified facilities guide specifications references are in agreement with umrl dated january 2020 section table of contents division 06 wood, plastics, and composites section 06 17 19 cross laminated timber 1116 part 1 general 1. Clt is characterised by timber slats glued in the form of a cross and is mainly applied for massive constructions, floor plates and wall panels. Data sheet cross laminated timber august 2016 page 56 1 transport and delivery 2 fastening and lifting by crane 3 storage at building site 4 components during installation 5 protection as installed 6 modifications on site. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Numerous impressive buildings built around the world using clt have become a good testimony of the many advantages that the product can offer the construction sector.
The results of the analysis have shown that the fire behaviour of crosslaminated solid timber panels depends on the behaviour of the single layers. Cross laminated timber clt has become a wellknown engineered timber product of global interest. History of clt in the early 1990s an innovative wood product known as crosslaminated timber clt was introduced in austria and germany. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Code applications for traditional gluedlaminated timber. Design and performance session ww300 experimental and modeling studies on wood frame buildings paper id 351. Easily share your publications and get them in front of issuus. Chair of timber structures and building construction, technical university munich, germany summary this paper is focused on calculation and design methods for cross laminated timber clt. Crosslaminated timber clt, an innovative wood product engineered in europe, has been gaining increased popularity in residential and nonresidential applications in several countries. Clt is a wood paneling building system, that has the potential to be a costcompetitive, woodbased solution that complements the existing light frame and heavy timber options. Laminated timber solutions crosslaminated timber clt. As its production has increased over the years since 2005, it has become widely used lowenstein, 2011. Chapter 5 connections connections in crosslaminated timber.
Griffin department of architecture, portland state university, portland, oregon, united states abstract. Global sustainability concerns coupled with rising awareness about wood as a building material among consumers are the factors likely to boost market growth in the coming years. What it is and how to use it madeira laminada cruzada. We offer rib panels made from cross laminated timber clt and glue laminated timber glulam by stora enso. Exhibiting a crosswise layup of layers of wooden boards, this engineered wood product constitutes a laminated. To support a larger use of clt, the 2019 edition of the clt handbook has. Due to its high stiffness and inplane and outofplane. In the handbook for clt buildings, rothoblaas summarized its most important products. Become familiar with a number of technology advances and standards related to gluedlaminated timber and crosslaminated timber. The global cross laminated timber market size was valued at usd 558. See more on expan innovation in post tension timber. This handbook provides key technical information related to the manufacturing, design and performance of clt in construction in the following areas.
To support a larger use of clt, the 2019 edition of the clt handbook has been completely revised and improved based on new research performed by fpinnovations and partners to reflect changes made since the 2011 edition in recent canadian codes. It is also referred to by number of different names clt, xlam, solid timber, engineered timber and massive wood. The clt handbook is part of swedish woods investment in handbooks for building in wood. Barriers to the design and use of cross laminated timber structures in highrise multifamily housing in the united states j. Pdf crosslaminated timber clt a state of the art report. Us edition of clt handbook now available proud green home. Crosslaminated timber an introduction to lowimpact building materials andy sutton and daniel black, bre pete walker, university of bath this information paper provides a broad view of the benefits and limitations of crosslaminated timber clt for those considering its use in construction projects. Cross laminated timber market research report 20202025. To learn more, check out the clt handbook published by the american wood council awc, the united states u. See more on crosslaminated timber properties and applications. Cross laminated timber clt is the engineered wood of the future and is making the construction of entire buildings from timber a reality.
Crosslaminated timber manufacturing structural design of crosslaminated timber elements seismic performance of crosslaminated timber buildings. Primarily as a wall, ceiling and roof panel in homes and other buildings. Enclosurebuilding enclosure design for crosslaminated timber. The orthogonal, laminar structure allows its application as a fullsize wall and floor element as well as a linear timber member, able to bear loads in and outofplane.
Crosslaminated crosslam or clt timber introduction. We offer rib panels made from cross laminated timber clt and gluelaminated timber. Improve design knowledge on building systems made with new types of engineered wood products. Lightweight yet very strong, with superior acoustic, fire, seismic, and thermal performance, clt is also fast and easy to install, generating almost no waste onsite. Clt handbook canadian edition research library think. A crosslaminated timber panel aka crosslam or xlam is a method of construction that uses timber to form loadbearing solid timber wall, floor and roof panels. This article provides a more detailed introduction to the applications and use of clt as a structural timber product. The future of timber construction clt cross laminated. The benefits of using solid wood products and structural elements in construction are increasingly recognized in canada and elsewhere.
Apr 26, 2017 cross laminated timber also known as clt is a structural material that can be cheaper, faster, quieter and more sustainable than concrete and steel. Cross laminated timber clt, also known as xlam, has enabled much innovation in the use of wood in building construction. Timo lehtoviita from saimaa university of applied sciences, mr. Thanks to its excellent physical and mechanical properties, this laminar timber material has both exceptional thermal insulation properties and can also dissipate loads in several directions. Cross laminated timber also known as clt is a structural material that can be cheaper, faster, quieter and more sustainable than concrete and steel. Identify code and standard updates relevant to clt and other mass timber elements 3. Engineered panels the future of timber construction sourceable, published may 7th, 2014. Barriers to the design and use of crosslaminated timber structures in highrise multifamily housing in the united states j.
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