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Davey, C L, McDonald, J, Lowe, D, Duff, R, Powell, J A and Powell, J E (2006) Defects liability management by design. Building Research & Information, 34(02), 145–53.
Fernie, S, Leiringer, R and Thorpe, T (2006) Change in construction: a critical perspective. Building Research & Information, 34(02), 91–103.
Gluch, P and Stenberg, A-c (2006) How do trade media influence green building practice?. Building Research & Information, 34(02), 104–17.
Gormley, M and Campbell, D P (2006) Modelling water reduction effects: method and implications for horizontal drainage. Building Research & Information, 34(02), 131–44.
- Type: Journal Article
- Keywords: Building drainage; mathematical modelling; method of characteristics; solid transport; water conservation
- ISBN/ISSN: 0961-3218
- URL: http://journalsonline.tandf.co.uk/link.asp?id=r457251wrh5l5076
- Abstract:
Waste solids in building drainage systems may still be considered as discrete, subject to a system of forces including hydrostatic, mass, buoyancy and frictional components. Recent water conservation proposals, including legislation, have led to the reduction in the quantities of water available to transport waste into the sewer, and have had a major impact on the hydraulics associated with the transportation of discrete solids in near horizontal drains in buildings. Current design practice, based on statistical methods, leads to oversized systems that present serious implications for system performance as reduced flows from appliances increase the risk of blockages occurring. The need for predictive techniques to inform appropriate stakeholders has never been greater. The development of a numerical model (DRAINET) to predict single solid or non-interacting solid transport has informed regulatory policy on pipe sizing and maintenance strategies. Further refinements of this modelling technique to include the interaction of solids, particularly in the deposition region under water conservation criteria, confirms that the complex interactions in drainage systems cannot be assessed using ‘rule of thumb’ or statistical approaches. Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing. The methods outlined in this paper confirm this recommendation and it is postulated that the process of solid transport is enhanced by the interaction of multiple solids, particularly in the region of deposition.
Hartwig, J and Kockat, J (2016) Macroeconomic effects of energetic building retrofit: Input-output sensitivity analyses. Construction Management and Economics, 34(02), 79-97.
Koskela, L and Ballard, G (2006) Should project management be based on theories of economics or production?. Building Research & Information, 34(02), 154–63.
Lai, C-m and Chiang, C-m (2006) How phase change materials affect thermal performance: hollow bricks. Building Research & Information, 34(02), 118–30.
Leung, M-y, Liang, Q and Yu, J (2016) Development of a mindfulness-stress-performance model for construction workers. Construction Management and Economics, 34(02), 110-28.
Pulkka, L, Ristimäki, M, Rajakallio, K and Junnila, S (2016) Applicability and benefits of the ecosystem concept in the construction industry. Construction Management and Economics, 34(02), 129-16.
Venselaar, M and Gruis, V (2016) Studying intra-organizational dynamics in implementing supply chain partnering: A case study about work floor experiences in a Dutch housing association. Construction Management and Economics, 34(02), 98-109.
Winch, G M (2006) Towards a theory of construction as production by projects. Building Research & Information, 34(02), 164–74.