Concrete die aiming at single-face salt freezing experimental development

An experimental development and concrete technology, applied in the field of concrete molds, can solve problems such as differences in test results and reduce the accuracy of concrete evaluation, achieving high accuracy, reducing the impact of strength, and reducing the amount of use

Inactive Publication Date: 2015-09-09
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in every region of the world, there are various test methods for measuring the frost resistance of concrete, which leads to differences in test results and reduces the accuracy of concrete evaluation, so the single-sided salt freeze test has a great influence on the durability of concrete Significance

Method used

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  • Concrete die aiming at single-face salt freezing experimental development
  • Concrete die aiming at single-face salt freezing experimental development

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] combine figure 1 and figure 2 , the present invention relates to a mold for the development of the size of the specimen required for the one-sided freeze-thaw test, especially for the research on the properties of high-strength concrete. The strength of concrete rises quickly within 24 hours, and it is not easy to demould when removing the mold. Therefore, the 70×110×150mm3 single-sided freeze-thaw mold developed based on the ordinary 150×150×150mm3 mold can get more quickly and conveniently. Concrete specimens. And the mold is more economical, durable and convenient.

[0016] The invention discloses a mold developed for the single-sided salt freezing test, which is more convenient, economical and fast for supporting and dismantling and filling the test piece. It consists of two parts, including the standard 150×150×150mm ...

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Abstract

The invention provides a concrete die aiming at single-face salt freezing experimental development, comprising a standard die with specification of 150*150*150mm<3>, a middle clapboard, a bottom support and a connecting rod, wherein the middle clapboard, the bottom support and the connecting rod are all made from organic glass material. The concrete die can quickly, economically and quickly perform making and dismounting of a test piece, and can perform filling of two mixing ratios, and die stripping is relatively convenient and quick, thus providing relatively convenient and economical test conditions for research on the durability of concrete.

Description

technical field [0001] The invention relates to a concrete mold, in particular to a concrete mold developed for single-sided salt freezing experiments. Background technique [0002] In recent years, with the application of high-strength concrete in some special buildings, research on the properties of high-strength concrete has attracted more attention. At present, due to the special size of the test piece required for the single-sided freeze-thaw test of high-strength concrete, the strength of the concrete is quickly formed, and the demoulding is difficult, which makes the process of supporting the test piece time-consuming and laborious. [0003] In cold regions, roads, bridges, ocean platforms and high-rise buildings are severely damaged by freezing damage. Concrete freezing damage is undoubtedly one of the most important reasons for premature failure of roads and bridges. The northern region of our country, especially the great northwest of our country under constructio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 吕建福王玮琛孙雷牟安泰王海旭
Owner HARBIN ENG UNIV
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