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Study On The Fabrication Process Of Afforesting Brick By City With Waste Straw

Posted on:2010-11-29Degree:MasterType:Thesis
Country:ChinaCandidate:W Y JiangFull Text:PDF
GTID:2121360278481526Subject:Environmental Engineering
Abstract/Summary:PDF Full Text Request
With the global and flourishing development of industrialization, the exploitation of available resources was increasing for the breadth and depth. Agricultural straw as the largest green renewable resources in the earth which will bring a incalculable benefits of economic and social and environmental to human, and which have a great influence on the sustainable development of agriculture. In this paper, According to the mass issues of social, economic and ecological because of agricultural straw's unreasonable use and urban greening technology research inadequacies and imperfections in the present domestic, decided to make use of waste straw for making afforesting brick which covering city and the temporarily Bare surface of urban construction for reduce dust,Conserving Soil and Water and beautifying environment.In this paper, Taking waste straw (wheat and corn) in the suburban of Chang an Xi an city as the main raw material to research the afforesting brick by city, molding specimens more than 200. To summarize and analyze was determined the performance, evaluating indicator and methods, Fabrication Process and its influencing factors of the afforesting brick by city. To design based material formulation of afforesting brick reference the constrained and Formula design. For the performance and influencing factors of Fabrication Process of the afforesting brick by city factors, establishing the experimental scheme, molding specimens and through the analysis and discussion of the experimental results obtained that the influence law of the performance of afforesting adobe and Fabrication Process on the proportion of base material, moisture content, pressure energy and the time of pressure, then finally conclusion that the optimal formulation of afforesting adobe: wheat straw 4%, corn straw 6%, Loess 45, natural sand 15%, coal waste 30%, binder 10% and optimal-moisture -content 18%; The best forming Process is the form of pore seeding; Process combination and parameter: the best proportion of raw materials+optimal-moisture -content+reserval the mount of rebound, the best of molding pressure is 10 tons, the time of no rebound is 24h and the moisture content of no rebound is 35%. In addition, This paper also Study on the experiment of afforesting adobe's modification and selection of grass species and phytotrophy nutrients with uniform design and orthogonal design, then intuitionistic conclusion that the influence law of the performance of afforesting brick on phytotrophy nutrients; the phytotrophy nutrients's optimal formulation of White clover afforesting brick: rooting powder (ABT3,30ppm) + water absorbent (water moor, 4g), and its performance; the phytotrophy nutrients's optimal formulation of Lolium Perenne L afforesting brick: water absorbent (water moor, 4g)+ water absorbent (hai lan- nong you no1, 1.6g), and its performance; by planting experiment.
Keywords/Search Tags:Straw, Afforesting adobe, Afforesting brick, Grass species, Phytotrophy nutrients
PDF Full Text Request
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