نتایج جستجو برای: root reinforcement

تعداد نتایج: 179037  

Journal: :Journal of the Japan Landslide Society 2003

2015
Ganesh Ranganath Jadhav Priya Mittal

Complete debridement, thorough disinfection and optimal sealing of the root canal system are the major challenges associated with endodontic treatment of teeth with open apices. In such teeth, thin radicular dentinal walls are susceptible to fracture. To ensure a better prognosis in such fractured prone thin dentinal walls, internal radicular reinforcement with various adhesive materials like g...

2009
T. C. Hales C. R. Ford T. Hwang J. M. Vose L. E. Band

[1] Shallow landslides are a significant hazard in steep, soil-mantled landscapes. During intense rainfall events, the distribution of shallow landslides is controlled by variations in landscape gradient, the frictional and cohesive properties of soil and roots, and the subsurface hydrologic response. While gradients can be estimated from digital elevation models, information on soil and root p...

2009
Andrew Simon

Riparian vegetation is known to exert a number of mechanical and hydrologic controls on bank stability. In particular, plant roots provide mechanical reinforcement to a soil matrix due to the different responses of soils and roots to stress. Root reinforcement is largely a function of the strength of the roots crossing potential shear planes, and the number and diameter of such roots. However, ...

Journal: :Geosciences 2021

The influence of vegetation on mechanical and hydrological soil behavior represents a significant factor to be considered in shallow landslides modelling. Among the multiple effects exerted by vegetation, root reinforcement is widely recognized as one most relevant for slope stability. Lately, literature has been greatly enriched novel research this phenomenon. To investigate which aspects have...

Journal: :Ecological Engineering 2022

Slope Stability Models (SSMs) are valuable tools used as decision support in land management to mitigate catastrophic effects caused by rainfall-induced shallow landslides. In particular, SSMs incorporating the presence and influence of vegetation allow for evaluation how trees relative slope stability forest could ensure root reinforcement effect space time. By implementing empirical knowledge...

Journal: :Earth Surface Processes and Landforms 2018

پایان نامه :0 1371

the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

Journal: :Forests 2021

The quantification of post-disturbance root reinforcement (RR) recovery dynamics is paramount importance for the optimisation forest ecosystem services and natural hazards risk management in mountain regions. In this work we analyse long-term dynamic spruce forests combining data Swiss National Forest Inventory with on distribution mechanical properties. results show that depends primarily stan...

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