نتایج جستجو برای: earth embankment

تعداد نتایج: 95091  

This research intends to develop a method based on the Artificial Neural Network (ANN) to predict permanent earthquake-induced deformation of the earth dams and embankments. For this purpose, data sets of observations from 152 published case histories on the performance of the earth dams and embankments, during the past earthquakes, was used. In order to predict earthquake-induced deformation o...

Journal: :Waste management 2006
Sungmin Yoon Monica Prezzi Nayyar Zia Siddiki Bumjoo Kim

Use of tire shreds in construction projects, such as highway embankments, is becoming an accepted way of beneficially recycling scrap tires. However, in the last decade there was a decline in the use of pure tire shreds as fill materials in embankment construction, as they are susceptible to fire hazards due to the development of exothermic reactions. Tire shred-sand mixtures, on the other hand...

Journal: :journal of structural engineering and geo-techniques 2012
majdedin mir hosseini r. bahrami m. asadolahipajouh

the number of constructed dams has been largely increased due to high demands of water supplies, and earth dams are the most common types since they are more compatible to the environment. nevertheless, the stability of these important structures during earthquakes has to be carefully evaluated and guaranteed. in the past, earth dams usually designed with pure clay core, but in recent decades t...

2005
Robert Ettema

Observations of bridge abutment scour lead to a practical new approach for estimating realistic scour IIHR-Hydroscience and Engineering depths at bridge abutments. Prior design approaches usually led to unrealistically deep estimates of abutment scour depth. The observations presented stem from flume experiments conducted with abutments with approach embankments subject to a range of erodibilit...

M. AsadolahiPajouh Majdedin Mir Hosseini, R. Bahrami

The number of constructed dams has been largely increased due to high demands of water supplies, and earth dams are the most common types since they are more compatible to the environment. Nevertheless, the stability of these important structures during earthquakes has to be carefully evaluated and guaranteed. In the past, earth dams usually designed with pure clay core, but in recent decades t...

F. Khayyer, M. Esmaeili M. Gharouni Nik

Construction of railway embankments on loose beds without using any methods of soil improvement (e.g. stone columns in silt and clay beds, deep soil mixing method, jet grouting and also using micropiles individually or in groups form) leads to  reduction of embankment slope gradient, which significantly increases the volume of soil operation. Generally, micropile as a reinforcing element with t...

Journal: :Baltic Journal of Road and Bridge Engineering 2022

The development of reinforcements for soil has made an impact in most the civil engineering sectors especially transportation. use geogrids is frequent roadways but they are also finding railways. major that could have providing desired stiffness to a section by reducing material and serving as proper reinforcement material. In current study, attempt been redesign railway embankment economicall...

Journal: :Sustainability 2023

Piles have been widely used to improve the bearing capacity of soft foundation. The existing research obtains significant findings on load transfer mechanism for rigid piled embankments. However, limited studies focused deep cement mixing (DCM) embankment. To grasp characteristics DCM embankments, a three-dimensional numerical simulation was conducted in this study, which validated by measureme...

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