本文選題：生態(tài)護(hù)坡 + 框格梁復(fù)合植被毯　； 參考：《中國(guó)水土保持科學(xué)》2015年05期

【摘要】：為了選擇更適合在山區(qū)高速公路推廣應(yīng)用的生態(tài)護(hù)坡模式,選取安徽岳武高速公路邊坡為試驗(yàn)區(qū),以框格梁復(fù)合植被毯生態(tài)護(hù)坡技術(shù)及框格梁植生袋護(hù)坡技術(shù)作為試驗(yàn)坡面的植被恢復(fù)措施,調(diào)查并對(duì)比分析植物生長(zhǎng)情況、土壤理化性質(zhì)和水土保持效果。結(jié)果表明:施工半年后,采用框格梁復(fù)合植被毯生態(tài)護(hù)坡技術(shù)試驗(yàn)小區(qū)的灌木成活率、株高、基莖、冠幅、蓋度均優(yōu)于框格梁植生袋試驗(yàn)小區(qū),且土壤孔隙度增加了2.78%,全氮增加了0.31 mg/kg,有效磷增加了3.59 mg/kg,速效鉀增加了4.79 mg/kg,有機(jī)質(zhì)增加了3.06 g/kg,土壤侵蝕厚度減少了1.7 mm,土壤侵蝕量減少了2 379.2 t/km2。對(duì)比2種生態(tài)護(hù)坡模式的經(jīng)濟(jì)成本,發(fā)現(xiàn)框格梁復(fù)合植被毯技術(shù)的施工效率更高,植被建植成本更低,養(yǎng)護(hù)費(fèi)用及養(yǎng)護(hù)年限更少。
[Abstract]:In order to select the ecological slope protection model which is more suitable for the popularization and application of mountain expressway, the slope of Anhui Yuewu Expressway is selected as the experimental area. The ecological slope protection technology of frame girder composite vegetation blanket and the slope protection technology of frame grid beam planting bag were used as the vegetation restoration measures on the experimental slope surface. The plant growth, soil physical and chemical properties and soil and water conservation effect were investigated and analyzed comparatively. The results showed that the shrub survival rate, plant height, basal stem, crown width and coverage were better than those in the experimental plot with the frame beam composite vegetation blanket ecological slope protection technique after six months of construction, and the results showed that the shrub survival rate, plant height, basal stem, crown width and cover degree of the plot were better than those of the experimental plot. The soil porosity increased by 2.78 mg / kg, total nitrogen increased by 0.31 mg / kg, available phosphorus increased by 3.59 mg / kg, available potassium increased by 4.79 mg / kg, organic matter increased by 3.06 g / kg, soil erosion thickness decreased by 1.7 mm and soil erosion decreased by 2 379.2 t / km2. Compared with the economic cost of the two ecological slope protection models, it was found that the construction efficiency of the composite vegetation blanket technology was higher, the construction cost of vegetation was lower, and the maintenance cost and maintenance years were less.
【作者單位】： 北京林業(yè)大學(xué)水土保持學(xué)院;東方園林股份有限公司;安徽省高速公路控股集團(tuán)有限公司;北京盛鑫嘉華環(huán)�？萍加邢薰�;
【基金】：安徽省交通科技項(xiàng)目“高速公路生態(tài)型護(hù)坡技術(shù)應(yīng)用研究”(AHGS 2013-5)
【分類號(hào)】：U417.12;S157

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本文編號(hào)：2049752