Evaluation of ISO 22157-2 Test Method for Tension Parallel to Grain of Petung Bamboo (Dendrocalamus Asper)  

Oleh:

Irawati, I.S. ; Suhendro, B. ; Saputra, A. ; Prayitno, T.A.

Jenis: Article from Proceeding
Dalam koleksi: Proceeding The 1st International Conference on Sustainable Civil Engineering Structures and Construction Materials (SCESCM) di Yogyakarta, September 11 – 13, 2012, page 216-222.
Topik: Glulam bamboo; Petung bamboo; tension parallel to grain test method.
Fulltext: 29.pdf (903.65KB)

Isi artikel

Mechanical properties of glued laminated (glulam) bamboo need to be figure out when it is used as structural member. In the case of tensile property, ISO 22157-2 can be adopted for obtaining it. ISO 22157-2 provides three forms of tension specimen i.e. two wedge-shape and one strip-shape equipped with wooden ends. However, referring to the previous test result on bamboo grows in Indonesia, it might be difficult to obtain ultimate tensile strength by using wedge-shaped specimen recommended by ISO 22157-2. Moreover, the other previous study was not conducted in accordance with ISO 22157-2. Thus, evaluation on tension test method required by ISO 22157-2 is essential. This paper presents the evaluation ISO 22157-2 tensile test method and its result. Evaluation was performed by conducting test on the tension specimen of which dimension defined based on ISO 22157-2 and its modification, called as the first and the second tension test, respectively. Tension specimen was made of Petung bamboo that is usual to be used as a raw material of glulam bamboo. The evaluation depicts that the recommended tension specimen is the strip-shaped specimen equipped by wooden ends that has 10 mm and 2 mm dimension in tangential and radial direction, respectively.

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