Analfabetismo financeiro

Rochman, Ricardo Ratner

doi:10.12660/gvexec.v8n1.2009.23880

Cited by 1 publication

(1 citation statement)

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“…Kinds of research were conducted to reduce the shrinkage of bamboo reinforcement in structural concrete that caused the bonding failure. The influence of coating of knit bamboo with varnish could increase the bonding stress in concrete [1,2].…”

Section: Introductionmentioning

confidence: 99%

The pull-out test on knit bamboo reinforcement embedded into concrete beam

Nuralinah¹

2019

MATEC Web Conf.

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The pull-out test is generally conducted to obtain accurately the carrying capacity of the flexural strength of the knit bamboo reinforced concrete beam, which is more determined by the bonding strength than the tensile strength of reinforcement in concrete. Bamboo bar with braid knit which was coated with sikadur as bonding agent based on selected epoxy resin was expected to improve a good friction with concrete. In the pull-out test method, a hydraulic jack was applied to encourage bamboo embedded into a pair of concrete blocks, whose size was 15cm x 30cm x 40cm. The experimental variable of specimens were types of knitted bamboo, and type of coating. Based on the test results, either the bond strength or the tensile strength, which was calculated based on the failure mechanism, increased with respect to the concrete quality. The compressive strength of concrete was averaged as much as 25,97 MPa. The usage of outer skin surface on the cutting braid knit bamboo (type 1), which was coated with sikadur experimentally could increase the pull-out load. In the pull-out test, bond failure occurred with using of the plain bamboo bar with the bond stress of 1.18 MPa, while tensile failure occurred with using of knit bar type 1 with peak tensile strength of 85.84 Mpa.

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Section: Introductionmentioning

confidence: 99%