http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/137 Tue, 21 May 2013 20:04:24 GMT 2013-05-21T20:04:24Z http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/637 Title: Improving the impact resistance of masonry parapet walls Authors: Hobbs, Brian Abstract: In the UK and other countries roadside masonry parapet walls are commonplace. Such walls were, however, generally not designed from the outset to resist out-of-plane impact loadings from highway vehicles. The consequences of an impact can obviously be severe, particularly in the case of railway overbridges. Following a programme of experimental impact tests performed in the 1990s on unreinforced masonry walls, this paper describes an investigation of the performance of reinforced masonry walls, tested under carefully controlled conditions in the laboratory. A total of 17 tests were performed on unreinforced and reinforced walls. The reinforced walls incorporated either bed joint reinforcement or one of two different types of drilled-in reinforcement. Whereas the bed-joint reinforcement was found to be largely ineffectual, the drilled-in reinforcing systems were found to be capable of enhancing the ability of plain masonry walls to resist impacts, ensuring a ductile response to the applied transient loading. The effect of drilled-in reinforcement on the resistance of walls with low-strength mortar was found to be particularly dramatic, changing the response from that of penetration and disintegration of the masonry to ductile behaviour, with the integrity of the wall maintained and only minimal wall displacement. Thu, 03 Jan 2013 00:00:00 GMT http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/637 2013-01-03T00:00:00Z http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/236 Title: UK Large-scale Wind Power Programme from 1970 to 1990: the Carmarthen Bay experiments and the Musgrove Vertical-Axis Turbines Authors: Price, Trevor J. Abstract: This article describes the development of the Musgrove Vertical Axis Wind Turbine (VAWT) concept, the UK ‘Carmarthen Bay’ wind turbine test programme, and UK government’s wind power programme to 1990. One of the most significant developments in the story of British wind power occurred during the 1970s, 1980s, and 1990s, with the development of the Musgrove vertical axis wind turbine and its inclusion within the UK Government’s wind turbine test programme. Evolving from a supervisor’s idea for an undergraduate project at Reading University, the Musgrove VAWT was once seen as an able competitor to the horizontal axis wind systems that were also being encouraged at the time by both the UK government and the Central Electricity Generating Board, the then nationalised electricity utility for England and Wales. During the 1980s and 1990s the most developed Musgrove VAWT system, along with three other commercial turbine designs was tested at Carmarthen Bay, South Wales as part of a national wind power test programme. From these developmental tests, operational data was collected and lessons learnt, which were incorporated into subsequent wind power operations. Sun, 01 Jan 2006 00:00:00 GMT http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/236 2006-01-01T00:00:00Z http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/166 Title: Developing a Universal Performance Measurement & Management Model for the Facilities Management (FM) Profession Authors: Davies, Richard T. Abstract: This paper describes a performance based closed loop management process for measuring and improving facilities management performance within the FM profession and industry. A standard measurement protocol does not currently exist within the profession resulting in difficulties in establishing evidence of good practices and the ability to effectively benchmark performance within the industry. The FMi protocol offers a standard model for measuring and capturing FM performance and offers a tool for guiding organisations towards best practice. The FMi protocol is based on the principles of the Balanced Scorecard (BSC) which suggests that a high performing organisation focuses its efforts across a range of perspectives in a balanced manner across the enterprise. The process also considers primary reference inputs such as quality, environment, Health and Safety in a holistic approach and integrates the necessary strategic and operational requirements of FM. Further research suggests the use of transferable knowledge and ‘improvement’ tools and methodologies from the manufacturing industry to inform continuous improvement and hence the closed loop process. Thu, 06 Mar 2008 00:00:00 GMT http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/166 2008-03-06T00:00:00Z http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/165 Title: Development of concrete containing waste glass Authors: Perkins, G. D. Abstract: The large scale production of Portland cement and the acquisition of aggregates from dredging and quarrying have a dramatic impact on the environment. Consequently extensive research is ongoing into the use of Portland cement replacements, using many waste materials and industrial byproducts, for example, pulverised fuel ash (PFA) and ground granulated blastfurnace slag (GGBS). The continuing debate relating to UK government policy on landfill tax dictates that the use of waste from other sources is high on the political and research agenda. In addition to the use of binder replacement materials from waste, there is somewhat less regard given to the subject of using waste material to replace the fine aggregate content of concrete. Glass from varying recycling processes is considered to be a material which could be used as binder and also as aggregate replacement. Glass which is most considered for recycling in terms of environmental protection is that from containers, architectural and end of life vehicle glass. This study outlines the use of such recycled glass as a binder and fine aggregate replacement and details workability and strength development of concrete containing glass as partial replacement of traditional materials. Thu, 06 Mar 2008 00:00:00 GMT http://dspace1.isd.glam.ac.uk:80/dspace/handle/10265/165 2008-03-06T00:00:00Z