All Outputs (90)

A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach (2015)
Presentation / Conference Contribution
Mohamed, A., Zhang, H., Smith, I., & Xiao, Z. (2015, September). A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach. Presented at Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing

This paper presents the experimental studies performed to investigate the feasibility of the proposed photogrammetric system for torsion tests. In this study, two binocular stereo systems were used to measure the surface rotation of timber glulam bea... Read More about A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach.

Timber gridshells: Numerical simulation, design and construction of a full scale structure (2015)
Journal Article
D'Amico, B., Kermani, A., Zhang, H., Pugnale, A., Colabella, S., & Pone, S. (2015). Timber gridshells: Numerical simulation, design and construction of a full scale structure. Structures, 3, 227-235. https://doi.org/10.1016/j.istruc.2015.05.002

Timber gridshell structures, such as the Multihalle for the federal garden festival in Mannheim or the Downland
Museum, have been the result of a creative–generative process that indissolubly ‘welded’ the structural contribution
to that of form exp... Read More about Timber gridshells: Numerical simulation, design and construction of a full scale structure.

Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints (2015)
Journal Article
D’Amico, B., Kermani, A., Zhang, H., Shepherd, P., & Williams, C. (2015). Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints. Computers and Structures, 154, 163-176. https://doi.org/10.1016/j.compstruc.2015.04.006

The use of bending as self forming process allows the realization of shape-resistant systems, such as grid shell structures. Here, a numerical method for optimisation of the cross-section of actively bent structures is introduced. For a given load di... Read More about Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints.

A form finding method for post formed timber grid shell structures. (2014)
Presentation / Conference Contribution
D'Amico, B., Kermani, A., & Zhang, H. (2014). A form finding method for post formed timber grid shell structures. . https://doi.org/10.13140/2.1.3949.8888

Timber grid shells provide efficient ways of covering large openings with relatively small amount of materials. With three-dimensional CAD software, it is now possible to model a free-form surface and discretize it in smaller straight elements, thus... Read More about A form finding method for post formed timber grid shell structures..

Form finding and structural analysis of actively bent timber grid shells (2014)
Journal Article
D’Amico, B., Kermani, A., & Zhang, H. (2014). Form finding and structural analysis of actively bent timber grid shells. Engineering Structures, 81, 195-207. https://doi.org/10.1016/j.engstruct.2014.09.043

Grid shells are efficient structural systems covering large open spaces with relatively small amount of materials. Also, post forming techniques allow realization of geometrically complex (free-form) shapes by means of standard connection systems. Ho... Read More about Form finding and structural analysis of actively bent timber grid shells.

The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists (2012)
Presentation / Conference Contribution
Khokhar, A., & Zhang, J. (2012). The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists. In P. Quenneville (Ed.), Proceedings of the World Conference on Timber Engineering (WCTE 2012)

This paper presents details of the experimental method and test results from a series of torsion tests undertaken to evaluate the shear modulus and shear strength of solid timber joist. The variation of shear modulus within and between test samples,... Read More about The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists.

Digital image processing of weathered stone for determining the optimum cleaning level of stonework (2012)
Presentation / Conference Contribution
Humanyun, R., Zhang, H., & Zhang, B. (2012, July). Digital image processing of weathered stone for determining the optimum cleaning level of stonework. Presented at 14th International Conference and Exhibition on Structural Faults and Repair

In this study, the authors introduced a new image component sampling technique that can be used to evaluate level of cleaning of weathered masonry stone for historic buildings. The proposed technique is based on the Standard Pattern (SP). The images... Read More about Digital image processing of weathered stone for determining the optimum cleaning level of stonework.

Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach (2011)
Presentation / Conference Contribution
Zhang, H., Mohamed, A., & Xiao, Z. (2011, June). Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach. Presented at Proceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing

The shear modulus is a fundamental mechanical property of wood that is used in general timber design [1,2,3]. Compared with other engineering materials, timber has relatively low shear stiffness in comparison to its modulus of elasticity, and so shea... Read More about Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach.

An Industrial Knowledge Collaborative CAD System for Scaffolding Structures (2011)
Presentation / Conference Contribution
O'Neill, S., Zhang, H., & Pawelak, M. (2011, September). An Industrial Knowledge Collaborative CAD System for Scaffolding Structures. Presented at Proceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing

Scaffolds are a form of temporary structure widely used throughout the construction industry for various purposes. Some common uses are to provide access, for storage of materials or as temporary support. The design of such structures is governed by... Read More about An Industrial Knowledge Collaborative CAD System for Scaffolding Structures.

The shear strength and failure modes of timber joists obtained from the torsion test method. (2010)
Presentation / Conference Contribution
Khokhar, A. M., Zhang, H., & Ridley-Ellis, D. (2010). The shear strength and failure modes of timber joists obtained from the torsion test method. In A. Ceccotti (Ed.), 11th World Conference on Timber Engineering 2010 (WTCTE 2010) (3509-3516)

This paper presents details of the experimental method and test results from a series of torsion tests undertaken to evaluate the shear strength of timber joists. The failure modes and the correlation of shear strength and torsional shear modulus we... Read More about The shear strength and failure modes of timber joists obtained from the torsion test method..

Optimisation of an oak container (2010)
Presentation / Conference Contribution
Savage, N., Kermani, A., & Zhang, H. (2010). Optimisation of an oak container. In Proceedings of the 10th World Conference on Timber Engineering

Traditional containers such as barrels, used in the transportation and storage of food and liquid, have been constructed from timber for thousands of years. The design of the container has evolved over time and the original design specifications have... Read More about Optimisation of an oak container.

Using OpenSees for structures in fire (2010)
Presentation / Conference Contribution
Usmani, A., Zhang, J., Jiang, Y., Kotsovinos, P., Zhang, J., & May, I. (2010, June). Using OpenSees for structures in fire. Presented at Structures in Fire - The Sixth International Conference, SiF'10

OpenSees is an open source object oriented software framework developed at UC Berekeley and currently supported by PEER and Nees. OpenSees has so far been focussed on providing an advanced computational tool for analysing the non-linear response of s... Read More about Using OpenSees for structures in fire.

Determination of shear strength of timber joists by torsion testing. (2009)
Presentation / Conference Contribution
Khokhar, A. M., Zhang, H., & Ridley-Ellis, D. (2009, October). Determination of shear strength of timber joists by torsion testing

This paper presents an experimental investigation in which the torsion testing approach was employed to evaluate the shear strength of Sitka spruce and Norway spruce joists. Rectangular
structural size specimens of lengths ranging from 1.0 m to 3.6... Read More about Determination of shear strength of timber joists by torsion testing..

Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings (2009)
Presentation / Conference Contribution
Kuang, J., & Zhang, H. (2009, September). Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings. Presented at Proceedings of the 12th International Conference on Civil, Structural and Environmental Engineering Computing

A new space-time finite element formulation for dynamic analysis of transfer plates is presented. The method is based on an unconventional Hamilton variational principle and a special technique in time domain interpolation is employed. For the simple... Read More about Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings.

A semi-analytical method for plate and grid structures (2008)
Journal Article
Kuang, J. S., & Zhang, H. (2008). A semi-analytical method for plate and grid structures. Proceedings of the ICE - Engineering and Computational Mechanics, 161(3), 121-128. https://doi.org/10.1680/eacm.2008.161.3.121

In current design practice, analysis of plate and grid structures in civil engineering, such as waffle slabs, ribbed plates and slab-girder bridges, is based largely on code-specified approximate methods, and deflections of these systems are rarely e... Read More about A semi-analytical method for plate and grid structures.

Eight-node membrane element with drilling degrees of freedom for analysis of in-plane stiffness of thick floor plates (2008)
Journal Article
Zhang, H., & Kuang, J. S. (2008). Eight-node membrane element with drilling degrees of freedom for analysis of in-plane stiffness of thick floor plates. International Journal for Numerical Methods in Engineering, 76(13), 2117-2136. https://doi.org/10.1002/nme.2395

The development of eight-node arbitrary quadrilateral membrane elements with drilling degrees of freedom is presented using the compatible displacement interpolation within the element. The element is considered to develop specifically for analysing... Read More about Eight-node membrane element with drilling degrees of freedom for analysis of in-plane stiffness of thick floor plates.

Determining the Shear Modulus of Sitka Spruce from Torsion Tests (2008)
Presentation / Conference Contribution
Khokhar, A., Zhang, H., Ridley-Ellis, D., & Moore, J. (2008). Determining the Shear Modulus of Sitka Spruce from Torsion Tests. In 10th World Conference on Timber Engineering 2008 (2137-2144)

This paper presents details of the experimental method, and preliminary results from, a series of torsion tests undertaken to evaluate the shear modulus of Sitka spruce (Picea sitchensis) timber. Direct torsion tests were used to determine the variat... Read More about Determining the Shear Modulus of Sitka Spruce from Torsion Tests.

Timber Plate Dynamics with Space-Time Finite Element (2006)
Journal Article
Zhang, H., Ridley-Ellis, D., & Hapca, A. I. (2006). Timber Plate Dynamics with Space-Time Finite Element. Timber Engineering,

A new space-time finite element formulation for dynamic analysis of timber plates is presented. The method is based on an unconventional Hamilton variational principle and a special technique in time domain interpolation is employed. For the simple c... Read More about Timber Plate Dynamics with Space-Time Finite Element.

Eight-node Reissner–Mindlin plate element based on boundary interpolation using Timoshenko beam function (2006)
Journal Article
Zhang, H., & Kuang, J. S. (2007). Eight-node Reissner–Mindlin plate element based on boundary interpolation using Timoshenko beam function. International Journal for Numerical Methods in Engineering, 69(7), 1345-1373. https://doi.org/10.1002/nme.1809

A new eight-node Reissner-Mindlin plate element is developed with a special interpolation within the element. This special interpolation is an extension of the element boundary interpolation that employs Timoshenko beam function for the boundary segm... Read More about Eight-node Reissner–Mindlin plate element based on boundary interpolation using Timoshenko beam function.

Analysis of Stiffened Plates: An Effective Semi-Analytical Method (2003)
Presentation / Conference Contribution
Kuang, J., & Zhang, H. (2003). Analysis of Stiffened Plates: An Effective Semi-Analytical Method. In B. Topping (Ed.), Proceedings of the Ninth International Conference on Civil and Structural Engineering Computing. https://doi.org/10.4203/ccp.77.36

During the past three decades, a large amount of research results on the analysis and design of stiffened plates has been reported. Most of the methods used in the analyses include finite element [1,2,3], finite strip [4,5,6] and boundary element [7,... Read More about Analysis of Stiffened Plates: An Effective Semi-Analytical Method.