Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 34 for “"glulam"”.
-
Glulam Timber Bridges for Local Roads
… investigate the feasibility and performance of glulam timber bridges as additional design alternatives for SD local roads. There are two types of glulam timber bridges: (1) transverse glulam deck on glulam girders and (2) longitudinal glulam deck. The performance of each type was experimentally …
-
Glulam beams strengthened with pre-stressed basalt fibres
… sought after. Engineered timber products such as glulam have managed to increase these properties even more with stronger and stiffer material. In recent years new ways have emerged that enhance these properties even further by strengthening it with materials that have more tensile strength and …
-
An investigation of FRP reinforced glulam bolted connections
Wood is often limited in structural applications to relatively small structures due to its lack of homogeneity and low strength compared to steel and concrete. Wood can become a more versatile material if used with Fiber Reinforced Polymers (FRP) to form a composite. This thesis presents the …
-
Modeling and stability investigation of a Glulam dome
In order to predict the ultimate load capacity and failure modes of a glued-laminated timer dome, two dome models are analyzed by two finite element methods. I-DEAS is utilized to generate shell elements and to compute nodal forces for the dome model. Wind load requirements are studied, and the …
-
Application of Ductile Yield Link in Glulam Moment Connections
… a connection is presented herein. The proposed glulam beam-column connection utilizes an embedded steel knife plate with a reduced section that acts as a ductile yield link, thus limiting the moment that can be transferred through the connection. This configuration is intended to fail through …
-
Stability analysis of a glulam dome with nonlinear material law
… to develop effective finite element models of glulam domes, and to investigate the buckling behavior of glulam domes using this finite element program. The material law is implemented with a FORTRAN subroutine. Results from thorough testing of the subroutine are presented. The dome is then …
-
Geometrically nonlinear finite element analysis of a glulam timber dome
… model whose geometry is based on an existing glulam timber dome of 133 ft span and 18 ft rise above the tension ring. This dome consists of triangulated networks of curved southern pine glulam members connected by steel hubs. The members lie on great circles of a spherical surface of 133.3 ft …
-
Detection and assessment of wood decay – glulam beams and wooden utility poles
… and ultrasonic inspection methods on wooden glulam beams and utility poles. All beams and poles examined where composed of Douglas-fir. The report begins with a description of the structure of trees, the mechanical behavior of wood subjected to rot, and current utility pole inspection …
-
3-D finite element beam/connector model for a glulam dome cap
… model the beam/decking connectors (nails) of a glulam dome cap by beam/connector elements, and to analyze various dome cap models in order to investigate the potential of the beam/connector model to simulate the decking. Two- and three-dimensional beam/connector elements are formulated, tested, …
-
Continuum Damage Mechanics to Model Glulam Beams Reinforced with Glued-In Steel Cables
… To validate the model, experimental tests on glulam beams internally reinforced with steel cables were conducted. The beams had varying diameters of steel cables (3mm, 5mm and 8mm) to investigate the effect of the diameter of the cables on the strength of the beams. The results were compared …
-
Nonlinear 3-D beam/connector finite element with warping for a glulam dome
… torsion solution in the analysis of a glulam dome with ABAQUS to include warping of rectangular beams, and to model the nonlinear beam/decking connectors (nails) of the dome in order to develop an effective finite element model of the glulam dome for investigating its ultimate load …
-
Experimental investigation of a novel finite element model for Southern pine glulam beams
Glued-laminated wood (Glulam) is a versatile material manufactured by gluing two or more layers of wood together with the grain of all laminae running parallel to each other. Glulam beams of many sizes, shapes, and thicknesses can be made. Innovative load-carrying structures such as lattice domes, …
-
The strength of glulam beams with holes - A probabilistic fracture mechanics method and experimental tests
… tests and methods for strength analysis of glulam beams with holes. Test results and methods for strength analysis available in literature are compiled and discussed. The methods considered comprise both code strength design methods and more general methods for strength analysis. New …
-
Investigation of Applicable Seismic Response Modification Factor For Three-Hinge Glulam Tudor Arches Using FEMA P-695
… response modification factor for three-hinge glulam Tudor arches. In an attempt to meet this objective, the methods and procedures outlined in FEMA technical document P-695 were implemented on the provided arch designs. Computational models were created using finite elements within OpenSees to …
-
Structural Assessment of Glued-Laminated Timber Columns Subjected to Real Fires
… structural integrity of glued-laminated (glulam) columns when exposed to real fires. The primary objective of the Mass Timber Demonstration Fire Test Program (MTDFTP) in Ottawa was to conduct large-scale fire tests to explore construction fire safety, fire behavior in open office spaces …
-
A Layered Ceiling: A Center for Ballroom Dance
… in a way enhances their redundancy. Layered glulam ceilings cover the two main spaces and evoke the hidden structure of the sprung dance floor below. The ceiling is reflected in the pattern of the hardwood floors, and the ballroom is reflected in the pool outside its layered facade. Layers of …
-
Combined linear/nonlinear stability analysis of plane and space frames
… load predictions. Several test problems and a glulam dome cap are analyzed, and the critical load prediction curves and the nonlinear equilibrium paths are presented. It is verified that the B33 finite element in ABAQUS is capable of modeling the curved beam. The modeling procedure of the dome …
-
A Case Study on Medium and High Rise Timber Buildings
… the alternatives heavy timber can offer such as glulam and cross laminated timber (CLT) in comparison with LFW when applied to mid-rise buildings. Different heavy timber structural systems were designed to have equal stiffness as the relative LFW building while achieving all the strength …
-
Background for finite element analysis and experimental testing of glued-laminated space beams
… and used to measure the strains in the test glulam beams. The distribution of normal stresses is investigated for symmetrically applied concentrated loads. Experimental and analytical values agree very well.
-
Glued-in re-bar connection
… used systems. They can be manufactured in the glulam plant, using conventional tools, reducing the field work to merely bolting of the joints. The construction method becomes very similar to the erection methods of the steel structures. The elements are connected by bolts or welding. Glued-in …
Page 1 of 2