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首页> 外文期刊>Sustainability >Introduction of Microbial Biopolymers in Soil Treatment for Future Environmentally-Friendly and Sustainable Geotechnical Engineering
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Introduction of Microbial Biopolymers in Soil Treatment for Future Environmentally-Friendly and Sustainable Geotechnical Engineering

机译：微生物生物聚合物在土壤处理中的应用，以促进未来的环境友好和可持续的岩土工程

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摘要

Soil treatment and improvement is commonly performed in the field of geotechnical engineering. Methods and materials to achieve this such as soil stabilization and mixing with cementitious binders have been utilized in engineered soil applications since the beginning of human civilization. Demand for environment-friendly and sustainable alternatives is currently rising. Since cement, the most commonly applied and effective soil treatment material, is responsible for heavy greenhouse gas emissions, alternatives such as geosynthetics, chemical polymers, geopolymers, microbial induction, and biopolymers are being actively studied. This study provides an overall review of the recent applications of biopolymers in geotechnical engineering. Biopolymers are microbially induced polymers that are high-tensile, innocuous, and eco-friendly. Soil–biopolymer interactions and related soil strengthening mechanisms are discussed in the context of recent experimental and microscopic studies. In addition, the economic feasibility of biopolymer implementation in the field is analyzed in comparison to ordinary cement, from environmental perspectives. Findings from this study demonstrate that biopolymers have strong potential to replace cement as a soil treatment material within the context of environment-friendly construction and development. Moreover, continuing research is suggested to ensure performance in terms of practical implementation, reliability, and durability of in situ biopolymer applications for geotechnical engineering purposes.
机译：土壤处理和改良通常在岩土工程领域进行。自人类文明开始以来，就已经在工程土壤应用中采用了诸如土壤稳定和与水泥粘结剂混合之类的方法和材料。对环境友好和可持续替代品的需求目前正在增长。由于水泥是最常用和最有效的土壤处理材料，可造成大量温室气体排放，因此正在积极研究土工合成材料，化学聚合物，地质聚合物，微生物诱导和生物聚合物等替代材料。这项研究提供了对生物聚合物在岩土工程中的最新应用的全面回顾。生物聚合物是微生物诱导的聚合物，具有高强度，无害且环保。在最近的实验和微观研究的背景下，讨论了土壤生物聚合物的相互作用和相关的土壤强化机制。此外，从环境角度出发，与普通水泥相比，分析了在该领域实施生物聚合物的经济可行性。这项研究的结果表明，在环境友好的建筑和开发环境中，生物聚合物具有取代水泥作为土壤处理材料的强大潜力。此外，建议继续进行研究以确保就岩土工程目的而言，在现场生物聚合物应用的实际实施，可靠性和耐用性方面确保性能。

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