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Chiang, Y H, Choy, L H T and Li, J (2012) Public expenditure and property cycle: The case in shanghai. Journal of Construction in Developing Countries, 17(1), 87-101.
Dada, M O (2012) Predictors of procurement selection: An investigation of traditional and integrated methods in nigeria. Journal of Construction in Developing Countries, 17(1), 71-85.
Idoro, G I (2012) Influence of the monitoring and control strategies of indigenous and expatriate nigerian contractors on project outcome. Journal of Construction in Developing Countries, 17(1), 51-69.
Idoro, G I (2012) The influence of project documents on the outcome of construction projects procured by traditional contracts in Nigeria. Journal of Construction in Developing Countries, 17(1), 1-19.
Raheem, A A, Falola, O O and Adeyeye, K J (2012) Production and testing of lateritic interlocking blocks. Journal of Construction in Developing Countries, 17(1), 35-50.
- Type: Journal Article
- Keywords: compressive strength; durability; interlocking block; laterite; ordinary portland cement
- ISBN/ISSN: 1823-6499
- URL: http://web.usm.my/jcdc/vol17_1_2012/Art%203_jcdc17-1.pdf
- Abstract:
The production and testing of lateritic interlocking blocks were examined. The experiments involved the production of 250 × 130 × 220 mm3 interlocking blocks with laterite samples obtained from Aroje (Ogbomoso North L.G), Olomi (Ogbomoso South L.G), Idioro (Surulere L.G) and Tewure (Orire L.G) using a locally fabricated manual steel mould and a 4.5 kg rammer. The blocks were tested in the laboratory to determine their compressive strength, water absorption and resistance to abrasion. The results indicated that all of the stabilised blocks satisfied the minimum 28 day wet compressive strength of 1.0 Nmm-2 recommended by the Nigeria Building and Road Research Institute. The minimum seven day dry compressive strength for 5% cement stabilised blocks of not less than 1.60 Nmm-2, as recommended in the National Building Code, was not satisfied by all of the blocks. However, with 10% cement stabilisation, blocks from Olomi and Idioro laterites satisfied the minimum seven day strength with values of 2.13 Nmm -2 and 1.62 Nmm -2, respectively. Only laterites from Olomi and Idioro that met the minimum seven day requirements were concluded to be suitable for the production of interlocking blocks in southwestern Nigeria. © Penerbit Universiti Sains Malaysia, 2012.
Senaratne, S and Jayarathna, T (2012) Quality planning process of construction contractors: Case studies in sri lanka. Journal of Construction in Developing Countries, 17(1), 103-15.
Woodson, T, Coulibaly, Y and Traoré, E S (2012) Earth-air heat exchangers for passive air conditioning: Case study burkina faso. Journal of Construction in Developing Countries, 17(1), 21-33.