By Jules J. A. Janssen (auth.)
In this ebook i've got gathered many reviews at the houses of bamboo. considering the fact that i began bamboo study in 1974, i've got amassed many guides on bamboo. although, in contacts with different researchers I turned conscious of the truth that numerous of those guides have been unknown to them. as a result their actions in learn or in bamboo initiatives needed to commence at a reduce point than in the event that they had recognized a few of these courses. consequently, i mentioned the necessity for a booklet like this with numerous colleagues, and that i made up our minds to begin writing. during this booklet I current information on houses, as released by means of resear chers. definitely it isn't whole; e.g. the complaints of the bamboo workshop in Cochin in November 1988 should not incorporated; they arrived simply too overdue to be taken into consideration. however, in penning this preface I notice i've got forgotten my very own thesis. I do ask for forgiveness to any colleague whose correct document isn't really taken under consideration to boot. i admire to specific my emotions of recognize to the board of my school: they allowed me to spend a lot time in this e-book, and so they gave a substantial monetary help for the printing costs.
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During this e-book i've got accumulated many experiences at the homes of bamboo. when you consider that i began bamboo study in 1974, i've got amassed many guides on bamboo. notwithstanding, in contacts with different researchers I turned conscious of the truth that numerous of those guides have been unknown to them. therefore their actions in study or in bamboo initiatives needed to begin at a reduce point than in the event that they had identified a few of these guides.
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Extra info for Mechanical Properties of Bamboo
The original publication deals extensively with the differences between the E-modulus in the two tangential positions and the radial position (not quoted here). 54 BENDING, TESTMETHOD 1 Keyword: Bending, testmethod. Subject: The ultimate bending stress for split bamboos, and for full culms. L. Elastizitaet und Festigkeit von Bambusrohren (elasticity and strength of bamboo culms). Der Bauingenieur (1969) vol 44 no 6 pp 220-225. In German. Results: The author has done four-point bending tests on split bamboos with a free span of 300 mm, and for two cases: the exterior of the bamboo on top, or down.
Of For. , 1981 no 2 pp 1-32. In Chinese; the following is based on an English translation of the headings of the tables and the captions of the figures only. Cited here is table 21. Results: The author has done bending tests on split bamboos, with the outside and inside of the culm in a horizontal position, "radial bending", and with the outside/inside in a vertical position, "tangential bending". 6 n 298 112 469 471 0" rad. 0 n 129 45 146 153 in which: rho = mass per volume in kg/m3, cr = ultimate bending stress in N/mm2, tang = tangential, rad = radial, see before, n = number of tests.
Min. /mean resp. , l/w = ratio of fibre length and width. g. the height H of the culms decreases with age, which obviously is not a physical fact. In the original report also data are given on the chemical composition of the bamboos. 26 ANATOMY AND MASS PER VOLUME 3 Keyword: Anatomy, mass per volume. Subject: The number of vascular bundles related to the mass per volume. Source: Zhou Fangchun, Studies on physical and mechanical properties of bamboo wood. Journal of Nanjing Techn. ColI. of For.