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http://dx.doi.org/10.5658/WOOD.2010.38.6.532

Strength Properties of Wooden Model Retaining Wall Using Preservative Treated Square Timber of Domestic Pinus rigida Miller  

Park, Jun-Chul (Hwacheon Clean Industry Promtion Foundation)
Kim, Keon-Ho (Department of Forest Biomaterials Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Lee, Dong-Heub (Div. of Environmental Wooden Material Engineering, Dept. of Green Resources Utilization, Korea Forest Research Institute)
Hwang, Won-Joung (Div. of Environmental Wooden Material Engineering, Dept. of Green Resources Utilization, Korea Forest Research Institute)
Hong, Soon-Il (Department of Forest Biomaterials Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.38, no.6, 2010 , pp. 532-540 More about this Journal
Abstract
The strength properties of wooden model retaining wall made of pitch pine (Pinus rigida Miller) was evaluated. Three different types of wooden model retaining wall were made of the 11cm square timber treated with CUAZ-2 (Copper Azole). The retaining wall was made into the 4 layers of crossbar and the 3 layers of vertical-bar, of which the size was 86 cm high, 200 cm long and 96 cm wide. Type I was control and in Type II 20 cm vertical-bars and 93 cm vertical-bars were arranged alternately to decrease wood usage. TypeIII was similar to TypeII except that the connection between crossbars was reinforced with the wooden armature. In each type, the strength properties of retaining wall were investigated by horizontal loading test and the deformation of structure by image processing (AICON 3D DPA-PRO system). In horizontal loading test of Type I, Type II and Type III was 63.17, 57.80, and 60.97 kN/m, respectively. The deformation of the top layer in Type II was 1.5 times larger than in Type I and Type III. Consequently, the economic efficiency and strength performance were better in Type III than in Type I and Type II.
Keywords
wooden model retaining wall; square timber; horizontal loading test;
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