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Articles 1 - 15 of 15
Full-Text Articles in Engineering
Effect Of Steel Fiber And Polypropylene Fiber On Reinforced Concrete, Erjola Reufi, Jozefita Marku
Effect Of Steel Fiber And Polypropylene Fiber On Reinforced Concrete, Erjola Reufi, Jozefita Marku
UBT International Conference
This paper presents the results of an experimental study that investigated, the effects of steel fibers and polypropylene fibers on the mechanical properties of concrete. Two types of fibers used are hooked end steel fibers of 50 mm and 30 mm length with the aspect ratio of 67 (length 50 mm and diameter 0.75 mm) and 44 (length 30 mm and diameter 0.75 mm). On the other hand, three types of polypropylene fibers are used of length 12mm, 6mm and 3 mm. Steel fibers are used of 0%, 0.25%, 0.5%, and 1% by the volume of concrete and polypropylene fiber …
A Study On Tibiofemoral Joint Contact Area Stresses Using Finite Element Method, Anjeza Gjini, Altin Bidaj, Enio Deneko, Drilona Disha
A Study On Tibiofemoral Joint Contact Area Stresses Using Finite Element Method, Anjeza Gjini, Altin Bidaj, Enio Deneko, Drilona Disha
UBT International Conference
The joints of the human body act as mechanical or building structures joints. Joints connect different segments by enabling the movement of these segments. The design of a joint that provides durability or static support differs from that one which provides only movement. Joints of the human body, as organic joints, are considered more complex than other types of joints. Finite element models help to comprehend the knee structure behavior under the action of dynamic and static loads. Deformations in the articulating cartilage and the distribution of loads from meniscus provide data to understand the effect of loads in different …
Application Of Ec Regulations On Assessment Of The Effect Of Fire On Buildings, Xhemshir Mulliqi
Application Of Ec Regulations On Assessment Of The Effect Of Fire On Buildings, Xhemshir Mulliqi
UBT International Conference
The last decade has been characterized by construction of multi-storey buildings in almost all cities of Kosovo, with the storey-height ranging from B+G+4 to B+G+11 and even B+G+15, which means that they need to be subjected to the revision of the main project, including things be verified for the effect of fire. This paper aims to illustrate the use of EC regulations for the verification of reinforced concrete structures under effect of fire, respectively: EN 1991-2-2 Basis of design and actions on structures. Part-2.2: Actions on structures exposed to fire and EN 1992-1-2:2004 Design of concrete structures- part -1-2: Structural …
Application Of En 1991-1-2 Annex E, Using’S Software Package, Xhemshir Mulliqi
Application Of En 1991-1-2 Annex E, Using’S Software Package, Xhemshir Mulliqi
UBT International Conference
The fire may occur anywhere and in any phase in the lifetime of a building .Fire resistance requirements should be based on the parameters influencing fire growth and development. For calculating the characteristic fire load, the characteristic fire load has to be determined using the table of EN 1991-1-2 Annex E.The aim of this paper is to present the methodology used in this tool and to show an example of application. The fire resistance of a steel beam submitted to compartment fires which supports a non-collaborating concrete slab in a compartment is estimated in case of an unprotected and a …
Assessment Of Wood Processing Engineers By Requirements Of Leading Manufacturing Entities In Albania, Ramadan Topuzi, Arden Bejtja
Assessment Of Wood Processing Engineers By Requirements Of Leading Manufacturing Entities In Albania, Ramadan Topuzi, Arden Bejtja
UBT International Conference
In Albania a significant number of wood-processing engineers exercise this profession in the field of manufacturing and trading of furniture. In this sector exercise their activity over 800 manufacturing entities distributed across the country with about 9,000 employees. The main purpose of the study is the assessment of wood processing engineers as perceived by the manufacturing entities and their adaptation to the requirements of the labor market . The data collected through a structured questionnaire for this purpose, are thrown into a database (where they are analyzed to generate the results given in this paper. The selection of the respondents …
Structural Analysis Of A Typical Highway Bridge Comparison Between Ktp, En And Aashto Load Models, Endrit Berisha
Structural Analysis Of A Typical Highway Bridge Comparison Between Ktp, En And Aashto Load Models, Endrit Berisha
UBT International Conference
This study consists on a structural analysis comparison of a typical highway bridge between KTP, EN and AASHTO based on load capacity. The Eurocodes are currently in the process of national implementation towards becoming the Europe wide means for structural design of civil engineering works. A team from Mott Macdonald inspected 562 bridges and the main causes of the defects are figured out in the study as traffic load, nature force, and aging, lack of maintenance and design deficiencies. As design codes are advancing with time, the need of Albania to upgrade its code has become a must. This paper …
Design Of Bearing Capacity Of The Driven Piles Of A Highway Bridge Foundation According To 3 Different Methods, Papa Dhimitri, Dervishi Idlir
Design Of Bearing Capacity Of The Driven Piles Of A Highway Bridge Foundation According To 3 Different Methods, Papa Dhimitri, Dervishi Idlir
UBT International Conference
Contemporary design methods of bearing capacity of deep foundation (pile foundation) change according to different design codes. The main requisition of the designing process of the deep foundation is related with the axial bearing capacity, which should be sufficient to withstand the applied loads. Many authors has developed and published detailed methods to analyze the behavior of a single reinforced concrete pile or a group of piles, based on vertical bearing capacity due to lateral friction or residence at the pile point. The goal of this paper is to illustrate the calculation methods according to 3 analytical methods of vertical …
Advanced Construction Materials For Highway Applications, Altin Bidaj, Irakli Premti, Hektor Cullufi
Advanced Construction Materials For Highway Applications, Altin Bidaj, Irakli Premti, Hektor Cullufi
UBT International Conference
Nowadays cost of highway materials increase every year. In addition, use of marginal materials results in early development of pavement distress, requiring more frequent repairs also rehabilitation, associated lane closures, traffic congestion in high volume traffic areas which increases the potential for construction zone accidents and increased levels of environmental pollution related to automobile emissions. Therefore, there is a strong desire in our country to optimize the use of materials currently used for highway pavement construction and to seek advanced materials that are cheaper and environmentally friendly. It has now been recognized that the age of limitless construction materials and …
Motorizing Cbd Of Tirana. A Before And After Study In Tirana From Sustainability Point Of View, Edison Barhani
Motorizing Cbd Of Tirana. A Before And After Study In Tirana From Sustainability Point Of View, Edison Barhani
UBT International Conference
The Center Business District of Tirana (Skanderbeg Square) plays a crucial part in Tirana Transportation System. After a closure of about 2 years, being under reconstruction, CBD opened to traffic on November 14th, 2011. This study analyses performance parameters like: travel time for both cars and buses, waiting time at bus stations, and passenger boarding/alignment for bus passing through or around the CBD before and after it was opened to traffic. Route that follows Kinostudio-Kombinat bus line has been selected as a representative of all other lines passing through the center of Tirana. Opened to traffic for the supply to …
Imperfection Impact On Behavior Of The Secondary Nonstructural Elements And Vertical Non Precise Erection Of Members, Armend Mujaj, Florim Grajçevci, Driton R. Kryeziu, Zijadin Guri, Fisnik Kadiu
Imperfection Impact On Behavior Of The Secondary Nonstructural Elements And Vertical Non Precise Erection Of Members, Armend Mujaj, Florim Grajçevci, Driton R. Kryeziu, Zijadin Guri, Fisnik Kadiu
UBT International Conference
In this paper of works will be try to present the fundamental computation referring to the imperfection impacts phenomena of non-precise erection effects of the structural members as are vertical columns. Depends from the structural type, the structure should have a vertical structural members with the enough vertical and shear capacity provoked from horizontal action of earthquake, wind, dead and imposed vertical loads. The structural designers, during the structural computation are improve the several approximations creating the dynamic modeling, having into the consideration of structural elements classification in the prior and secondary structural elements. It is very none that the …
Processing Of Gis Data And Building Of 3d Dem Models With Fme Transformer Tools, Hebib Alili, Fadil Shehu, Shenur Muslija
Processing Of Gis Data And Building Of 3d Dem Models With Fme Transformer Tools, Hebib Alili, Fadil Shehu, Shenur Muslija
UBT International Conference
The processes of processing of 2D or 3D geodetic or geo-information data by using the FME software and other software's or tools in combination and then through mathematical logics in FME building of such 3D models from original measured terrain data within transformers given by FME, could be considered as very important attempt of creating of such 3D models, exactly when we have to deal with huge data by the size of its as input data. These kind of doing of processing of data through FME software, can be considered as important issue also for resolving of other today related …
Climate Change And Drinking Water, Muhamet Ahmeti, Ilira Abdullahu
Climate Change And Drinking Water, Muhamet Ahmeti, Ilira Abdullahu
UBT International Conference
The period June 2012 – March 2014 saw a prolonged deficit of precipitation below normal. This led to a major continental scale drought across southern Europe, and in eastern Kosova in particular. E.g. see figure 1 below for the month of December 2013, from Drought Monitoring Center for SEE. In fact December 2013 was the fifth driest month in the recorded history of Kosova. February registered the driest month in the recorded hydro-meteorological history of Kosova, since 1927 with only 2.1 mm precipitation, which expressed in Standardized Precipitation Index (SPI). The chance of getting this value in February was 1 …
Reducing The Porosity And Sealing Cracks By Using Crystalline Admixture In Conventional Concrete, Visar Krelani, Liberato Ferrara
Reducing The Porosity And Sealing Cracks By Using Crystalline Admixture In Conventional Concrete, Visar Krelani, Liberato Ferrara
UBT International Conference
There is a continuous increase of quality on civil engineering materials in developed countries and parallel increase of need for new constructions in developing countries. Professional community should propose solutions for the durability that can resist in different severe environments. The most important factor that can affect concrete durability is represented by the pore distribution. Transport properties can take place through the porous network inside the cementitious composites and the aggregates interface, permitting the ingress of aggressive agents damaging concrete function intrinsically as a material and the well-functioning of the entire structure. The use of a crystalline admixture during the …
The Impact Of Municipal Waste Water In Neredime River, Kosovo, Bekim Selimi
The Impact Of Municipal Waste Water In Neredime River, Kosovo, Bekim Selimi
UBT International Conference
Today, environmental protection is of great concern in Kosovo. Almost all waste water effluents from the localities are discharging in surface water and groundwater without being significantly treated deterioning water quality in Kosovo’s rivers. The aim of this paper is to analyze the level of pollution in the Neredime river created from municipal wastewater as well as to identify pollutants and their impact on the river. An attempt has been made to present the situation of the waters defining physicochemical water qualities of Neredime river from the source to the outskirts of town in the south-west of Ferizaj; this includes …
The Effects Of Recycling Asphalt Use In Terms Of Economic Growth And Environmental Improvement In Kosova, Muhamet Ahmeti, Binak Beqaj
The Effects Of Recycling Asphalt Use In Terms Of Economic Growth And Environmental Improvement In Kosova, Muhamet Ahmeti, Binak Beqaj
UBT International Conference
Through this paper is analysed the possibility of recycling asphalt and reusing this in receipts of new asphalt to build road infrastructure inside urban areas and inter-urban areas, because analysing the investments that are being realized in the road infrastructure in Kosova last years, and investments that are going on, there are indicators showing economical, environmental and ….benefits of the society .
According to database of the Kosova Ministry of Transport and Telecommunication until the year 2014, the territory of Kosova has 2005.5 km of the road, 4% are highways, magisterial roads 32% and 64% regional roads, most of them …