Microorganism enhancement method for three-dimensional printing of solid cement-based solid model
A solid model, three-dimensional printing technology, applied in microorganism-based methods, biochemical equipment and methods, microorganisms, etc., and can solve problems such as low strength
Active Publication Date: 2020-11-03
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology
[0005] Based on this, it is necessary to address the problem that the strength of the existing three-dimensional printed solid cement-based solid model is generally not high, and provide a microbial enhancement method for a three-dimensional printed solid cement-based solid model that can improve the strength of the three-dimensional printed solid cement-based solid model
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[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describin...
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The invention relates to a microorganism enhancement method for a three-dimensional printing solid cement-based solid model. The microorganism enhancement method of the three-dimensional printing solid cement-based solid model comprises the following steps: mixing an active bacillus pasteurii liquid with a first flow-state cement-based material to obtain a second flow-state cement-based material;printing the second cement-based material through three-dimensional printing equipment to form a solid cement-based solid model; and maintaining the solid cement-based solid model to form calcium carbonate filling precipitates in pores of the solid cement-based solid model. According to the microorganism enhancement method of the three-dimensional printed solid cement-based solid model, the solidcement-based solid model is formed by adding the active bacillus pasteurii into the three-dimensional printed second flow-state cement-based material; in addition, active bacillus pasteurii in the solid-state cement-based solid model is induced to generate calcium carbonate filling precipitates through maintenance treatment, so that the binding power between accumulation layers in the solid-statecement-based solid model is enhanced, and thereby the overall strength of the solid-state cement-based solid model is improved.
Description
technical field [0001] The invention relates to the technical field of application of cement-based materials, in particular to a microbial enhancement method for three-dimensionally printing a solid cement-based solid model. Background technique [0002] 3D printing technology has been well applied in industries such as industrial manufacturing, biomedicine, construction manufacturing, and geotechnical engineering tests. [0003] With the continuous development and updating of 3D printing rapid prototyping technology and printing materials, cement-based materials based on the principle of layered accumulation have also begun to be used in model making and mechanical tests in related fields of geotechnical engineering. For example, in 2012, Sustainable Oceans International (SOI) used three-dimensional layered modeling technology to use sandstone as printing material to create an artificial coral reef with a height of 1 meter and a weight of 500 kg for the first time, which ha...
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Login to View More IPC IPC(8): C04B28/00C04B40/02B28B1/00B28B11/24B33Y10/00B33Y70/10C12N1/20C12R1/07
CPCB28B1/001B28B11/245B33Y10/00B33Y70/10C04B28/00C04B40/0277C04B2111/00181C12N1/20C04B2103/0001
Inventor 江权樊启祥张文学陈洪林郭志忠陈涛张顺利熊先涛
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI