scholarly journals Performance Evaluation and Field Application of Red Clay Green Roof Vegetation Blocks for Ecological Restoration Projects

2017 ◽  
Vol 9 (3) ◽  
pp. 357 ◽  
Author(s):  
Hwang-Hee Kim ◽  
Chun-Su Kim ◽  
Ji-Hong Jeon ◽  
Seung-Kee Lee ◽  
Chan-Gi Park
Keyword(s):  
Performance Evaluation ◽  
Ecological Restoration ◽  
Green Roof ◽  
Field Application ◽  
Red Clay

THE GREEN ROOF THERMAL PERFORMANCE EVALUATION IN COMPARISON TO ASBESTOS CEMENT TILES APPLIED TO LIGHT STEEL FRAME BRAZILIAN BUILDINGS

2018 ◽  
Vol 12 (3) ◽  
pp. 288
Author(s):  
Angélica Felicidade Guião Marcato Costa ◽  
João Alexandre Paschoalin Filho ◽  
Tatiana Tucunduva Philipi Cortese ◽  
Brenda Chaves Coelho Leite
Keyword(s):  
Performance Evaluation ◽  
Relative Humidity ◽  
Heat Flow ◽  
Thermal Performance ◽  
Green Roof ◽  
Steel Frame ◽  
Internal Temperature ◽  
Green Cover ◽  
Asbestos Cement ◽  
Data Representative

This research aimed at comparing the thermal performance provided in experimental modules, one of which was performed with conventional cover, made of asbestos cement tiles; an another with green cover. The structure of the studied modules was executed using Light Steel Frame technique. As an experimental research, modules were built in a wide place, without the interference of shading. Instruments were installed in the inner part of the modules to measure the following data: air temperature, relative humidity. From the collected data, representative episodes have been chosen for the studies that aimed to compare the comfort provided by both modules, built with different roofs. As result, it was verified that the module with green roof had better performance than the module covered with asbestos cement tile in all selected episodes. The module covered with green roof maintained lower internal temperature variation throughout the days, indicating that the green roof has characteristic thermal insulation, reducing the heat flow from the roof.

scholarly journals Erosion Control and Growth Promotion of W-OH Material on Red Clay Highway Slopes: A Case Study in South China

2021 ◽  
Vol 13 (3) ◽  
pp. 1144
Author(s):  
Xiao-chun Qin ◽  
An-chen Ni ◽  
Nan Zhang ◽  
Zheng-hao Chen
Keyword(s):  
Soil Erosion ◽  
Ecological Restoration ◽  
South China ◽  
Water Retention ◽  
Growth Promotion ◽  
Erosion Control ◽  
Solution Concentration ◽  
Retention Performance ◽  
Red Clay ◽  
Clay Slopes

Ecological restoration is difficult on the red clay highway slopes in the rainy areas in South China that experience severe soil erosion. By using the hydrophilic polyurethane material W-OH to solidify and protect red clay slopes, the erosion control will be substantially improved. We employed simulated rainfall erosion experiments and pot experiments to evaluate the anti-corrosion and growth promotion performances. We found that, (1) in the initial stage of protection, W-OH had the effect of accelerating slope drainage, solidifying the soil structure, and reducing soil loss, with the sediment reduction benefit reaching 37.4–65.3%. (2) The anti-erosion effect was mainly based on soil solidification. (3) The W-OH was affected by rainfall intensity and the W-OH concentration, and the soil erosion prediction equation was constructed according to the observation. (4) W-OH had a promising water retention performance and can promote the germination and late growth of slope plants to reduce the influence of eluviation. (5) The suitable W-OH solution concentration was 3–5% for slope protection herbs and shrubs, which were commonly used in South China. (6) The reduction in porosity was the fundamental cause of water retention improvement. The ecological restoration of slopes is a comprehensive process. Therefore, both anti-erosion performance and later plant growth are necessary. Our research provides a theoretical and experimental basis for applying the W-OH in the ecological restoration of the red clay slopes in subtropical areas and expanding the scope of the W-OH.

Indigenous Microbial Active Formula System and Field Application

2014 ◽  
Vol 912-914 ◽  
pp. 1948-1952
Author(s):  
Sha Lin ◽  
Gang Wu ◽  
Shuang Yan Zhang ◽  
Juan Xie ◽  
Yun Xiao ◽  
...  
Keyword(s):  
Performance Evaluation ◽  
Oil Quality ◽  
Oil Production ◽  
Field Application ◽  
Post Treatment ◽  
Displacement Efficiency ◽  
Oil Displacement ◽  
Field Verification

In order to utilize the beneficial Indigenous Microbial in objective reservoir, active formula systems with various nutriment components were investigated[. The results of performance evaluation showed that the activation, emulsification, viscosity break, and oil displacement performance of nutritional formula system were approved. Based on the field verification, the beneficial Indigenous Microbial in produced fluid of post treatment well array was activated, oil quality was improved, displacement efficiency was advanced, and oil production was increased.

Sign in / Sign up

Export Citation Format

Share Document