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LIMBALI (Gilbertiodendron splendidum)
Nom commercial
Limbali
Nom scientifique (avec auteur)
Gilbertiodendron splendidum J.Leon.
Famille
LEGUMINOSAE
Noms communs (pays)
Abeum (Gabon); Ekobem (Cameroon); Limbali
Synonymes du nom scientifique (avec auteurs)
Berlinia splendida A. Chev. ex Hutch. & Dalz.
DESCRIPTION DE L'ARBRE
Description botanique
The tree reaches a height of 26 to 30 m. The bole is straight, cylindrical, and unbuttressed. The trunk diameter attains 70 to 100 cm.
Habitat naturel
Gilbertiodendron splendidum occurs in swampy parts of evergreen forests and along rivers and in low-lying areas.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits Occasionally axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma lozenge-aliform. Axial parenchyma aliform. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. Rays more than 10 per mm (abundant). Occasionally rays and/or axial elements irregularly storied. Rays exclusively uniseriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Non-septate fibers. Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Teinte
The sapwood is pink. The heartwood is brown, it is clearly demarcated.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
Straight or slightly interlocked, sometimes with an influence on further processing operations.
Texture
A coarse texture is reported in this species.
Luster
The wood is described as low in luster.
Durabilité naturelle
Moderately durable to decay. Without preservative treatment, this species can be used only under risk of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. Moderately resistant to termites attack
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Tensions internes de croissance
No residual stresses are reported in this species.
Résistance à l'imprégnation
Difficult to treat with only a low penetration of the preservative products.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.65
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.72
Défauts dus au séchage
Ease of Drying: Air drying is reported as slow and is not subject to serious splitting. Drying Defects: It may develop some surface checks. Stacks must be weighted down.
Calendrier de séchage en séchoir recommandé
FR-6
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/09/KD_French.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1130
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
188477
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
655
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
89
Dureté Janka (latérale) 12%TH (kgf)
644
Dureté Janka (extrémités) 12%TH (kgf)
737
OUVRABILITÉ
Sciage
It is moderately easy to saw.
Coupe de placage de déroulage
Not suitable for slicing.
Placage tranche
Not suitable for slicing.
Effet d'émoussement
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
Usinage
Possible difficulties caused by interlocked grain are reported.
Rabotage
Moderately easy; tools must be cautiously sharpened.
Moulurage
Moderately easy; tools must be cautiously sharpened.
Tournage
30
Perçage
Moderately easy; tools must be cautiously sharpened.
Mortaisage
Moderately easy; tools must be cautiously sharpened.
Clouage
Pre-boring is necessary.
Collage
Glues well if basic gluing technical rules are followed.
Ponçage
Easy to perform; it gives good results.
Polissage
Needs pre-coating.
Compatibilité avec outils manuels
Working with hand tools is difficult.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, rails, HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, TURNING, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, port storage
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Rampe
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Solives
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Planchers
- 14 - Handbook of Hardwoods
Parquets
- 15 - Empire Timbers
Cadres
- 16 - Woods of the World
Marches
- 17 - Tree Conservation Database
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
Accessoires en bois
- 19 - Silica in Timbers
Tournage
- 30 - Embassy of Honduras in Japan
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires_ponts
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Port entreposage
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
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