生物酵素酶土壤固化技術(shù)在道路工程中的試驗(yàn)研究
[Abstract]:With the development of urbanization, road engineering is facing another large-scale construction and development. Soil curing technology is very important for the repair of existing roads and the subgrade of newly built roads and pavement engineering. How to reduce the project cost and shorten the construction period while ensuring the engineering technology, Reducing environmental pollution has become the key of road engineering solidification technology. The technology of soil solidification is based on enzyme. Bio-enzyme soil curing agent is a new kind of environmental protection material, which can not pollute the environment, but also can guarantee the strong mechanical and road performance of the solidified soil. In this paper, firstly, the research direction and content are defined, and the mechanism of solidification is analyzed. It is proved by the comparison of engineering properties that the enzyme solidified soil has higher engineering use value than the undisturbed soil, and then a series of road performance tests are carried out. Through the analysis of economic and social benefits, the study on the soil solidification technology of biozyme enzyme has been achieved and the goal of popularization has been achieved by means of the analysis of the good road performance index of the soil solidified by biological enzyme and the analysis of the economic and social benefits at last. In this paper, the experimental data show that the biological enzyme solidified soil is of higher engineering value. The shear strength test is to measure the friction angle and cohesive force to compare the engineering properties of the solidified soil and the undisturbed soil, and the consolidation compression test is mainly to compare the compression coefficient and the compression modulus index of the solidified soil and the undisturbed soil. In order to further highlight the solidification effect of solidified soil, the unconfined compressive test, split test and modulus test of compressive resilience were used to determine the experimental values of 7 days, 14 days and 21 days and 30 days, respectively, to determine the optimum dosage of curing agent and to obtain the test index; the water stability test, The frost resistance test showed the water stability and frost resistance of the soil in the specified time. The data of this paper play a guiding role in popularizing the soil solidification technology of enzyme, and are beneficial to the further development of this technology by experts.
【學(xué)位授予單位】:沈陽大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:U414
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