Bolt Spacing and End Distance of Bolted Connection of Laminated Veneer Lumber (LVL) Sengon


  • Ali Awaludin Research Group of Innovative Sustainable Infrastructure Materials and Construction Technologies, Department of Civil and Environmental Engineering, Universitas Gadjah Mada, Jalan Grafika 2, Sleman, Yogyakarta 55281,
  • Dani Nugroho Saputro Civil Engineering Study Program, Faculty of Engineering, University of Muhammadiyah Purwokerto, Jalan Dukuh Waluh, Purwokerto 53182,



Bolt spacing, end distance, load carrying capacity, LVL Sengon, timber joints.


This paper focuses on bolt connections on Laminated Veneer Lumber (LVL) Sengon. Series of connection tests were conducted to evaluate 3.5d, 5d, and 7d end distances and 3d, 4d, and 5d bolt spacings, where d is a 10 mm bolt diameter. All connections  were double-shear model (steel-LVL-steel). The results showed that all variations of end distance failed in ductile manner especially the connections with end distances of 5d and 7d. Load carrying capacity of the connections with end distances of 5d and 7d were about the same. For single bolt connections, those with 5d bolt spacing had the highest ratio of load carrying capacity. Only the two-bolt connections with 5d bolt spacing gave the ratio of load carrying capacity higher than that of prediction. These findings therefore suggests that minimum end distance of 5d and minimum bolt spacing of 5d are recommended to be addopted in LVL Sengon bolted connections.


Awaludin, A., Development of Structural Walls made from LVL Sengon (Paraserianthes Falcataria): Basic Mechanical Properties, Proceeding of Sustainable Civil Engineering Structures and Construction Materials, Yogyakarta, 2012, pp. 299-302.[CrossRef]

Awaludin, A., Pribadi, A., and Satyarno, I., Racking Resistance of Paraserianthes Falcataria Wooden Panel under Monotonic Load, Proceeding of the Sixth Civil Engineering Conference in Asia-Pacific Region (CECAR6), Jakarta, paper # 79, 2013.[CrossRef]

Awaludin, A. and Astuti, P., Study on Utilization of LVL Sengon (Paraserianthes falcataria) for Three-Hinge Gable Frame Structures, International Journal of Engineering Technology and Innovation (IJETI), 6(3), 2016, pp. 232-241.[CrossRef]

Johansen, K.W., Theory of Timber Connections, International Association of Bridges and Structural Engineering, Publication (9), Bern, 1949, pp. 249-262.[CrossRef]

Hirai, T, Analyses of the Lateral Resistance of Bolt Joints and Drift Pin Joints in Timber II: Numerical Analyses Applying the Theory of a Beam on an Elastic Foundation, Journal of Mokuzai Gakkaishi, Japan Wood Research Society, 37, 1991, pp. 1017-1025.[CrossRef]

Jorissen, A.J.M., 1998, Double Shear of Timber Connections with Dowel Type Fasteners, DUP Delft.[CrossRef]

Khelifa, M. and Oudjene, M., Elasto-Plastic Constitutive Law for Wood Plastic Behavior under Compressive Loadings, Construction and Building Materials, 23(11), 2009, pp. 3359-3366.[CrossRef]

Prion, H. and Foschi, R., Cyclic Behavior of Dowel Type Connections, Proceeding of The Pacific Timber Engineering Conference, Gold Coast Australia, Vol 2, 1994, pp. 19-25.[CrossRef]

Awaludin, A., Static and Dynamic Behavior of Bolted Timber Joints with Steel Splice Plates, Ph.D Thesis, Hokkaido University, Japan, 2008.[CrossRef]

Awaludin, A., Hayashikawa, T., Oikawa, A., Hirai, T., Sasaki, Y., and Leijten, A.J.M., Seismic Properties of Moment-Resisting Timber Joints with a Combination of Bolts and Nails, Civil Engineering Dimension, 13(1), 2011, pp. 1-5.[CrossRef]

Haller, P. and Wehsener, J., Use of Technical Textiles and Densified Wood for Timber Joints, World Conference on Timber Engineering, Oregon, 2006.[CrossRef]

Blass, H.J., Schmid, M., Litze, H., and Wagner, B., Nail Plate Reinforced Joints with Dowel Type Fastener, World Conference on Timber Engineering, Oregon, 2006.[CrossRef]

Tsujino, T., Hirai, T., and Takeuchi, N., Analyses of the Lateral Resistance of Bolt Joints and Drift Pin Joints in Timber III: Numerical Analyses Applying the Finite Element Method (In Japanese), Journal of Mokuzai Gakkaishi, Japan Wood Research Society , 49(3), 2003, pp. 187-196.[CrossRef]

ASTM D5764-97a(2013), Standard Testing Method for Evaluating Dowel-bearing Strength of Wood-based Products, ASTM International, West Conshohocken, PA, 2013, [CrossRef]

ASTM F1575-03(2003), Standard Test Method for Determining Bending Yield Moment of Nails, ASTM International, West Conshohocken, PA.[CrossRef]

Awaludin, A., Smittakorn, W., Hirai, T., and Hayashikawa, T., Bearing Properties of Shorea Obtusa beneath a Laterally Loaded Bolt, Journal of Wood Science, 53(6), 2007, pp. 204-210.[CrossRef]

Awaludin, A., Hirai, T., Hayashikawa, T., and Sasaki, Y., Load-carrying Capacity of Steel-to-Timber Joints with a Pretensioned Bolt, Journal of Wood Science, 54(3), 2008, pp. 362-368.[CrossRef]




How to Cite

Awaludin, A., & Nugroho Saputro, D. (2017). Bolt Spacing and End Distance of Bolted Connection of Laminated Veneer Lumber (LVL) Sengon. Civil Engineering Dimension, 19(1), 1-6.