Clamp for bamboo piece stretching test

Abstract

The invention discloses a clamp for a bamboo piece stretching test, which comprises several clamp pieces, wherein every clamp piece comprises a first fixing plate, a soft steel plate and several bolts; one end of every bolt is fixed at the side face of the soft steel plate, and the other end thereof crosses through a first fixing plate and is fixed on the first fixing plate through a nut; there are two groups of clamp pieces, wherein the first group of clamp piece is located at the inside of the bamboo piece, and the second group of clamp piece is located at the outside of the bamboo piece; the side face of the soft steel plate in every clamp piece in the first group of the clamp piece contacts with the inside face of the bamboo piece, and the side face of the soft steel plate in every clamp piece in the second group of the clamp piece contacts with the outside face of the bamboo piece. In use, the side face of the soft steel plate is deformed by adjusting every bolt so as to bond on the side face of the bamboo piece; one clamp piece in the first group of clamp piece is faced to one clamp piece in the second group of clamp piece; the clamp can firmly clamp the bamboo piece, and thebamboo piece in clamping is not easy to be damaged.

Description

technical field [0001] The invention belongs to the field of performance detection of bamboo, and relates to a fixture for tensile test of bamboo slices. Background technique [0002] Under the general trend of global energy saving and environmental protection, bamboo has been widely used in building structures due to its characteristics of easy reproduction, fast growth, early maturity and high output, especially in some earthquake-prone areas or tourist areas. However, in the application of bamboo In this case, it is necessary to carry out a tensile test on the bamboo slices to study its performance. However, most of the existing clamps in the tensile test can only clamp flat or circular specimens. At this time, the contact position between the clamp and the bamboo slice is uniform or a line, and the bamboo slice and the clamp cannot be fully contacted, so the firm clamping of the bamboo slice cannot be realized. At the same time, this clamping method is easy to damage the...

AI Technical Summary

Problems solved by technology

[0002] Under the general trend of global energy saving and environmental protection, bamboo has been widely used in building structures due to its characteristics of easy reproduction, fast growth, early maturity and high output, especially in some earthquake-prone areas or tourist areas. However, in the application of bamboo In this case, it is necessary to carry out a tensile test on the bamboo slices to study its performance. However, most of the existing clamps in the tensile test can only clamp flat or circular specimens. At this time, the contact position between the clamp and the bamboo slice is uniform or a line, and the bamboo slice and the clamp cannot be fully contacted, so the firm clamping of the bamboo slice cannot be realized. At the same time, this clamping method is easy to damage the bamboo slice, which affects the test. Effect

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