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Ann Chu Highway Slope Ecological Restoration Technology Research

Posted on:2012-08-21Degree:MasterType:Thesis
Country:ChinaCandidate:Q S YinFull Text:PDF
GTID:2211330368480895Subject:Environmental Engineering and Environmental Sciences
Abstract/Summary:PDF Full Text Request
The ecological environment is influenced greatly by highway construction,when it is booming economy. Researches have been concerned about how to control highway slopes stabilization and restore the original slope of the natural vegetation according to local conditions. Of slope protection is to achieveenvironmentally sustainable development of highway transportation and fundamental way. This thesis has been completed on the basis of the investigation on several cological protection project in Yunnan highways.According to the condition of ecology environment along the highway Chu An and site condition of slope-side, we screen suitable shrubs and grass by using slope seeding different rates of slope Yunnan Province in the number of highway have been completed and the engineering investigation of vegetation protection on the basis of the clear light of an ecological environment along the highway status and slope site conditions, the use of live herbal protection law carried out, shrub screening plant experiments;in different slope of the road slope on the rate of use of Shop turf protection,three-dimensional network of grass vegetation protection and mortar chip protection stone arch skeleton, such as planting grass vegetation revetment road construction vegetation planting technology through non-standard runoff plots planted vegetation on the slope surface cover, time and sand runoff volume production on-site monitoring, carried out the road slope vegetation planting Effect of protective technology. Through research, to draw the following conclusions:(1)the form of slope protection works can be different to change the hydrological characteristics of the slope, the effect of the impact of soil and water conservation, thereby indirectly affect the vegetation status. Protection works in the firm foundation, we should build a mixed shrub-grass comnunities of the slope vegetation types.(2) common Bermudagrass, Zoysia tenuifolia, Festuca rubra, perernnial ryegrass, tall fescue and smooth bromegrass, Coriaria, Tephrosia candida and other types of plants and vegetation planting seedlings faster in an Chu highway slope protection design of vegetation can be used as pioneer species,play an early protective role of slope erosion.(3) Shop turf protection, three-dimensional network of grass vegetation protection and mortar chip protection stone arch skeleton, such as planting grass planting formed the vegetation cover rate and the slope is inversely proportional to the relationship between the slope, slope length run-off, and while the volume of production of sand slope is proportional to the relationship between the rate of slope; in the slope at the same rate and laying turf protection, three-dimensional network of grass vegetation protection and mortar chip protection stone arch skeleton, such as planting grass planting formed the slope of the closure of the role of vegetation, and maintain the capacity of the soil were higher than sow grass slope. Therefore, the slope of vegetation suitable for planting technology is essential to enhance the effect of vegetation protection. solve the problem of slope protection in the process in highway construction...
Keywords/Search Tags:expressway, slope, ecological Protection
PDF Full Text Request
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