Wood inspector

Item	Green	Dry	Metric
Specific Gravity	0,62	0,7
Density		801	kg/m3
Bending Strength	643	1121	kg/cm2
Crushing Strength	466	680	kg/cm2
Hardness		798	kg
Impact Strength		106	cm
Shearing Strength		158	kg/cm2
Stiffness	114	139	1000 kg/cm2
Tangential Shrinkage	6		%
Radial Shrinkage	4		%
Weight	801	785	kg/m3
Maximum Load		1,4	cm-kg/cm3
Toughness		417	cm-kg
Static Bending		540	kg/cm2

Max. crushing strength = high 0
Bending strength (MOR) = medium 0
Shearing strength (parallel to grain) = medium 0
Hardness (side grain) = medium 0
Density (dry weight) = 46-52 lbs/cu. ft.
Modulus of Elasticity (stiffness) = medium
Toughness-Hammer drop (impact strength) = medium
Modulus of Elasticity (stiffness) = low
Shrinkage, Tangential = small
Shrinkage, Radial = moderate
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = high
Very heavy
Max. crushing strength = medium
Hardness = very high
Dnesity (dry wieght) = 53-60 lbs/cu. ft.
Density = high
Compression strength (parallel to grain) = high
Bending strength (MOR) = very high
Bending strength (MOR) = low
Bending strength (MOR) = high

Ackerman, D.P., Krogh, P.M.D.,1961,Brachystegia Species for Railway Sleepers,Forestry in South Africa N0.1 July, pp47-49Alan Schwartz.Rio Rivuma, Boston, MA.Personal Communication, 1993.Armstrong, F.H.,1960,The Strength Properties of Timber,Forest Products Research Laboratory, London Bulletin,No.45Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBryce, J. and Kitambi, G.,1960,The Air-drying Properties of some Tanganyika Timbers Technical Note No 23,Tanganyika Forest Department Utilisation Division Technical NoteBryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. MoshiChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Fanshawe, D.B.,1962,Fifty Common Trees of Northern Rhodesia,Natural Resources Board and Forestry Department, NdolaFlamwell, C.T.,1958,The Working Properties of Brachystegia spiciformis,Tanzania Forest Division Util. Sec. Moshi Technical Note,No.10Fortin, Y., Poliquin, J.,1976,Natural Durability and Preservation of 100 Tropical African Woods,International Development Research Centre, CanadaFrance - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. FranceGoldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Hughes, J.F.,1957,A Summary of Information Available on the Utilisation of Brachystegia,spiciformis,Tanzania Forest Dept. Util. Sec. Moshi - Utilisation Series,No.1Imperial Institute,1923,Results of the Examination of Nigerian Timbers,Bulletin of the Imperial Institute,21(3, pp444-61Lavers, G. M.1966.The Strength Properties of Timbers.Forest Products Research Bulletin, No. 50. Ministry of Technology, Her Majesty's Stationery Office, London.Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Pardy, A.A.,1951,Notes on Indigenous Trees and Shrubs of S. Rhodesia - Brachystegia,spiciformis,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1604Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.Scott, M.H.,1950,Notes on the more Important African Timbers Imported into the Union with,Special Ref. to Port. E.A. Species,Journal of the South African Forestry Association,No.19,pp18-62,[South,African Forestry Journal]Simpson, W.T. and J.A. Sagoe. 1991. Relative Drying Times of 650 Tropical Woods : Estimation by Green Moisture Content, Specific Gravity, and Green Weight Density.United States Department of Agriculture (USDA, Forest Service, General Technical Report FPL-GTR-71, Forest Products Laboratory, Madison, Wisconsin.Storrs, A.E.G.,1979,Know your Trees - Some of the Common Trees found in Zambia,Zambia Forestry Department, NdolaTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Tanzania - Timber Marketing Co. Ltd.,1978,Timber from TanzaniaTanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Tanzania Forest Department,1961,Timbers of Tanganyika - Brachystegia spiciformis,Tanzania Forest Dept. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Department,1962,Run Speeds for Circular Saws,Tanzania Forest Dept. Util. Sec. Moshi - Sawmill Series, No.8Tanzania Forest Department,1966,Flooring Timbers,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiWCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya