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Number of pages: 100 Category: Civil Engineering

Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...

Number of pages: 123 Category: Civil Engineering

Dissertation for obtaining a master's degree in civil engineering, structural orientation, March 2013, abstract of the scope of using FRP materials for shear strengthening of reinforced concrete beams in

Number of pages: 123 Category: Civil Engineering

Summer 1390 Expertise Master of the field: Civil Engineering Orientation: Structure Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers

Number of pages: 145 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering (M.Sc) Orientation: Structure Winter 2013 Abstract: Resilient construction of important government buildings, infrastructure facilities and vital arteries due to the increase

Number of pages: 107 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Structures, Abstract: This thesis is the results of a numerical and parametric study on the effect of reinforcing reinforced concrete shear wall with FRP composite and applying the results of the finite element method. The finite element program is compared and calibrated against experimental data. Then, the numerical ...

Number of pages: 131 Category: Civil Engineering

Dissertation for master's degree in civil engineering, structural orientation. Abstract Good bond strength between the old and new concrete surface is a key factor in the performance of concrete repairs. The purpose of this thesis is to investigate and evaluate the bond strength between the surface of the old concrete and the added concrete. In this thesis, a laboratory research ...

Number of pages: 124 Category: Civil Engineering

Education Level: Master's Degree, Field: Civil Engineering, Major: Structures Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers was investigated. Polypropylene fibers with a length of 18 mm and a ratio of length to diameter of 0.9 mµ were used. The effect of fibers and nanosilica in three ...

Number of pages: 87 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure orientation Alkaline Aggregate Reaction [1] (AAR), is a chemical reaction that occurs in some concrete structures. (AAR) is a reaction between alkaline fluids in the pores and silica aggregates. Concrete failure, including expansion and cracking due to the alkaline reaction of aggregates, is of particular importance. ...

Number of pages: 185 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of civil engineering, structure orientation. Abstract: Today, many reinforced concrete structures that are in operation are more than 75 years old and have been damaged due to natural disasters such as earthquakes and wind, or due to material fatigue or corrosive factors. Maintenance of structures is very important due to ...

Number of pages: 127 Category: Civil Engineering

A master's thesis in the field of civil engineering - hydraulic structures Abstract Liquid storage air tanks are used not only to store water, but also to store chemicals and toxic substances in different forms. Considering the use of these structures in civil and urban development and industrial networks, their importance is determined before and after the earthquake. The ...

Number of pages: 145 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of Civil Engineering (M.Sc) Major: Structure Abstract: The retrofitting of important government buildings, infrastructure facilities and vital arteries due to the increase in terrorist attacks around the world and the possibility of bombings near buildings and urban places is one of the most important discussions in the ...

Number of pages: 120 Category: Civil Engineering

Master's Thesis in Civil Engineering - Earthquake Engineering 1391 Abstract Structures with frames with coaxial braces are among earthquake resistant systems. These structures are widely

Number of pages: 158 Category: Civil Engineering

Dissertation for Master's Degree Abstract: Dealing with external forces such as earthquakes is one of the most important missions of civil engineers. In order to achieve this goal, the light metal frame system, which has advantages such as the possibility of industrial production, prefabrication and lightness, can be considered as a suitable alternative to traditional systems. ...

Number of pages: 186 Category: Civil Engineering

Expert thesis‌ Master of Civil Engineering, Structural Orientation, September 2013 Abstract Today, with the progress of science in the construction industry, many methods have been presented to improve reinforced concrete structures

Number of pages: 87 Category: Civil Engineering

Dissertation of master's degree in civil engineering, structural orientation, October 1390, first chapter of generalities. 1-1 Introduction In recent years, there have been many advances in the field

Number of pages: 235 Category: Civil Engineering

Doctoral dissertation in civil engineering – Earthquake Engineering 2013 Abstract The inappropriate performance of columns in concrete buildings designed and built in the past years causes concern and attention to the amount of A

Number of pages: 181 Category: Civil Engineering

Dissertation for Master's Degree > Direction: Hydraulic Structures Abstract: One of the assumptions that is made to simplify the dynamic analysis of the existing weighted concrete dams is the uniformity of the foundation in terms of physical parameters such as modulus of elasticity and damping. This is despite the fact that, in practice, different geological conditions may ...

Number of pages: 153 Category: Civil Engineering

Master's Thesis in Civil-Structural Engineering Abstract In order to estimate the capacity of buildings, it will be much easier and less expensive to use static methods instead of incremental dynamic methods. Although the incremental dynamic method gives more accurate and closer answers to the real behavior of the structure, its high cost and time has increased the desire to use ...

Number of pages: 110 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure orientation. Abstract: In this study, the effect of some effective parameters on the strength of polymer concrete based on epoxy resin, including hardener, filler, and solvent, has been investigated. Rice husk ash and broom stalk ash were used as fillers and acetone-toluene mixture with a ratio of 50-50% was used as a ...

Number of pages: 159 Category: Civil Engineering

The effect of fiber and pozzolanic materials on the mechanical properties of glass fiber reinforced concrete Master's Thesis of Civil-Structural Engineering Abstract The failure and destruction of concrete is highly dependent on the formation of cracks and microcracks. With increasing loading, microcracks are connected and form cracks. In order to solve this problem and also to ...

Number of pages: 95 Category: Management

Dissertation for Master's Degree in Information Technology Management, Information Systems, Abstract The Imam Khomeini (RA) Relief Committee, as one of the popular institutions, in drawing its basic policies, emphasizes support, cooperation and popular participation, and on this basis, it considers the attraction of popular aid as a mechanism for guiding popular participation ...

Number of pages: 144 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering with Earthquake Orientation Abstract: Semi-rigid joints [1] are joints whose hardness is between the two states of grip and joint and transmit a part of the anchor, in other words, its degree of rigidity is between 20% and 90%. In this thesis

Number of pages: 105 Category: Civil Engineering

Master's Thesis in Civil-Structural Engineering Today, domes and arches have found wide applications in architectural and industrial structures due to their suitable coverage of large openings. The use of today's technologies in styling and optimizing energy consumption in these types of structures is one of the important challenges facing engineers. Therefore, the need to ...

Number of pages: 194 Category: Civil Engineering

Master's Thesis in Civil Engineering, Earthquake Orientation Abstract: Bridge structures are affected by various loads and are designed according to the level of risk that is considered for them. Explosive loading is one of the loads that threaten the health of bridges. It is necessary to evaluate the amount of damage and performance of bridges under the effect of this loading ...

Number of pages: 140 Category: Electronic Engineering

Master's Thesis of Electrical Engineering - Power Abstract The discussion of repairs in any system, including the power system, is of special importance. In the traditional structure of the electricity industry, repairs related to the generation and transmission sectors are both carried out by the network operator. With the restructuring of the electricity industry, the repair ...

Number of pages: 164 Category: Civil Engineering

Dissertation for receiving the master's degree ""M.Sc"" orientation: abstract structure In today's reinforced concrete buildings, the use of interframe separators is very common. Intermediate frames with building materials are the main types of separators that are used in this type of buildings. In previous research, these interframe separators are usually considered as ...

Number of pages: 115 Category: Chemical - Petrochemical Engineering

In order to obtain a master's degree in chemical engineering, abstract freezing of fans in operational units, including the hydrogen unit of Imam Khomeini Shazand Refinery in the cold seasons of the year is one of the important problems in this refinery. In order to provide a suitable solution to this problem, we must have a suitable estimate of the fan outlet temperature. The ...

Number of pages: 147 Category: Electrical Engineering

Master's Thesis of Electrical Engineering - Power Abstract The discussion of repairs in any system, including the power system, is of special importance. In the traditional structure of the electricity industry, repairs related to the generation and transmission sectors are both carried out by the network operator. With the restructuring of the electricity industry, the repair ...

Number of pages: 133 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.

Number of pages: 92 Category: Civil Engineering

Dissertation of master's degree in civil-structural engineering Abstract: Divergent bracing frames are considered earthquake-resistant systems for steel structures. These braces are from my difficulty

Number of pages: 104 Category: Civil Engineering

Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N

Number of pages: 100 Category: Civil Engineering

Thesis for receiving the degree of M.Sc. Trend: soil and soil in February 2013 Abstract: Allowed load capacity or safe load capacity is a virtual pressure that is within the range of

Number of pages: 169 Category: Civil Engineering

Thesis for receiving a master's degree in the field of civil engineering with structural orientation in February. 2013 Abstract: In recent years, significant progress has been made in the field of improvement and resistance

Number of pages: 108 Category: Civil Engineering

Dissertation for master's degree in civil-structural field winter 2012 Abstract In recent years, the number of buildings that have suffered damage due to the loss of their gravity-bearing members has increased. Therefore, it has become important to design structures so that they are resistant to progressive damage in addition to the effects of earthquakes. One of the factors ...

Number of pages: 138 Category: Civil Engineering

Dissertation for M.Sc degree in soil and soil mechanics engineering, summer 2013, first chapter, introduction of micro candles 1-1 Micro-candles in general in dealing with problematic soils

Number of pages: 302 Category: Geography - Urban Planning

Dissertation to obtain Ph.D. D Department of Geography and Urban Planning Abstract: Nowadays, due to the high costs of construction and the lack of economic ability of the owners of dilapidated structures, one of the ways to renew this structure is the partnership of public and private sectors. In this research, it has been tried to investigate the effect of this type of ...

Number of pages: 294 Category: Art - Graphics

Dissertation for Master's degree (M.A) Major: Painting Abstract: As the urban space becomes more compact and tangible, disorder and lack of visual identity occur more, and the adverse consequences of the urban patient's face, lack of ease in sending and receiving visual messages from the environment, subsequent stimulation and mental exhaustion and deprivation of peace, lack of ...

Number of pages: 110 Category: Management

Master's Thesis in Media Management Abstract Knowledge creation or knowledge management consists of a range of strategies and implementation patterns that are used in an organization to identify, create, present, differentiate and enable acceptance of insights and experiences. Such insights and experiences form knowledge that can be found in individuals or in organizations as ...

Number of pages: 155 Category: Management

Academic Thesis for Master's Degree in Business Management Abstract The main purpose of this research is to investigate the effect of identified factors on the rice export of Gilan province in 2011-2012. For this purpose, considering that the theoretical structure of this research is designed based on Porter's diamond model, it has been tried to perform the results and analyzes ...

Number of pages: 106 Category: Civil Engineering

In order to obtain a master's degree in the field of civil engineering - soil and foundation orientation, Abstract Nowadays, circular foundations are more or less used for structures, especially structures that have axial symmetry. In this research, a numerical study was conducted on bearing capacity and settlement of annular foundation. PLAXIS software was used for modeling. ...

Number of pages: 183 Category: Management

Dissertation for Master's degree (MA) Persian Abstract: Modern business requires appropriate tools and infrastructures to expand economic processes. When we talk about the link between information and communication technology and various affairs, the link between information and communication technology and banking is one of the most tangible and obvious points that comes to ...

Number of pages: 124 Category: Civil Engineering

Master's Thesis in Civil Engineering - Roads and Transportation) Overview Pavements are usually affected by various factors that affect their life. Since a road passes through different areas where the subsoil, the type and volume of traffic and the climatic conditions of these areas are different from each other, therefore, various disadvantages and defects arise in different ...

Number of pages: 169 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil and Foundation Mechanics Abstract: Since many structures are built in dense urban areas, there is an increasing need to build buildings and geotechnical structures on soft clay soils. Clay soils usually show significant creep deformation. Although a lot of research has been done on the creep behavior of natural clay, ...

Number of pages: 175 Category: Civil Engineering

Master's thesis in the field of civil engineering, structural orientation. Abstract: Investigating the effect of span length on bridge behavior under the simultaneous effect of horizontal and vertical components. Among all types of structures, bridges are one of the pillars of vital arteries that need to be used after an earthquake to provide access to hospitals, fire stations, ...

Number of pages: 155 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Structural Orientation Abstract: Today, due to the increasing space limitations and economic savings, it is inevitable to use diagonal bridges to avoid lengthening the route and increase road safety. The diagonal issue of the bridge will cause a different and sometimes complex behavior in the bridge under the effect of the ...

Number of pages: 109 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of civil engineering with a focus on soil and foundation. Abstract: The compressibility behavior of soils has become an important concern in geotechnical engineering. As buildings, embankments and roads are implemented, significant settlements often occur. Since long-term settlements occur due to creep, therefore, the ...

Number of pages: 116 Category: Civil Engineering

Dissertation for master's degree in the field of civil engineering, road and transportation, the abstract of asphalt failures is one of the problems that are the concern of road and transportation engineers today, and every year huge costs are spent on the maintenance and repair of asphalt roads. Many efforts have been made to increase the strength and life of asphalt, among ...

Number of pages: 94 Category: Civil Engineering

Master's Thesis in Civil-Soil Field Abstract Dense clay layers are used as one of the most common impermeable layers in most geotechnical structures such as earthen dams and municipal and radioactive waste disposal centers. Due to special geotechnical characteristics, these layers are damaged by cracking during their lifetime, these cracks increase the permeability of the layer ...

Number of pages: 151 Category: Civil Engineering

Master's thesis in the field of civil engineering, soil and foundation, today, due to the progress of the tunneling industry, the need to analyze and design underground structures in rocky environments is felt more than in the past. Although there are many numerical and practical software available in this field, none of them are complete and perfect in all fields, and each of ...

Number of pages: 124 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering - Abstract Hydraulic structures in high dams of spillways, as one of the dependent hydraulic structures, have the important role of discharging the incoming floods into the dam reservoir with sufficient safety in free flow or under pressure downstream. In tunnel overflows where the flow is at a high speed and often under ...

Number of pages: 231 Category: Civil Engineering

Dissertation to receive M.Sc degree in civil engineering, structural orientation. Abstract: One of the ways to strengthen the building against lateral loads is the use of a wind system (convergent or divergent). The increasing use of steel braces to deal with earthquake forces requires that the seismic performance of these types of systems be given more attention. The common ...

Number of pages: 86 Category: Civil Engineering

Master's Thesis in Civil Engineering-Earthquake Abstract Using braces as a lateral resistance system in steel structures is one of the most common methods to withstand the forces caused by earthquakes. One of the weak points of this system is the compression resistance of the bracing member and its buckling as a result of reducing the member's load. Today, this problem has been ...

Number of pages: 92 Category: Civil Engineering

Abstract: Hydraulic jump is one of the amazing hydraulic phenomena that consumes the kinetic energy of water. Hydraulic structures such as relaxation ponds mainly use this important property of hydraulic jump to consume energy downstream of overflows, rapids and valves. The dimensions of these structures are directly dependent on the characteristics of hydraulic jump, therefore, ...

Number of pages: 141 Category: Civil Engineering

Master thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...

Number of pages: 96 Category: Civil Engineering

Master's Thesis Field: Civil Engineering Abstract Bridges are inseparable members of the means of communication and are very influential in economic and social conditions. The passage of time and random loads are among the things that threaten the health of bridges. Abnormal loads caused by natural accidents, execution errors and some other issues can cause progressive collapse ...

Number of pages: 128 Category: Civil Engineering

Master's thesis in the field of civil engineering, soil and foundation, in this research, the bearing capacity of the conical pile group and the cylindrical pile group with the same volume are calculated and compared. Due to the lack of numerical studies and modeling by software for conical piles compared to laboratory tests in this field, in this research, the modeling of the ...

Number of pages: 82 Category: Civil Engineering

Dissertation for receiving M.SC Master's degree Major: Water Engineering Abstract: Dams are the largest man-made structures. Their design often stems from their unique nature and the consequence of failure, which is certainly greater than the collapse of other types of structures. The stability of dam body and foundation structures can be analyzed and checked in various ways. ...

Number of pages: 110 Category: Electronic Engineering

Master's thesis in the field of electricity-power orientation Abstract Gearboxes are essential and inseparable components of power transmission systems. These machines convert torque into speed and sometimes speed into torque. The use of mechanical gearboxes in these systems has been common since long ago as an interface between the power generation sector and the power ...

Number of pages: 137 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of civil engineering in the field of earthquakes. Abstract: The introduction of damage generators is very close to the concept of inelastic behavior and, as a result, hysteresis energy. Therefore, it can be said that the hysteresis energy at these levels can be a significant criterion for the design or control of the ...

Number of pages: 132 Category: Biology - Environment

Master's thesis in the field of road, building and environmental engineering - hydraulic structures. In this research, the effect of geobags on the scour control of bridge piers has been studied using Computational Fluid Dynamics (CFD) method. Geobags are geotextile bags that are filled with materials such as sand, concrete or materials from river dredging. Due to the ...

Number of pages: 165 Category: Civil Engineering

Dissertation for receiving a master's degree (Sc..M) field: civil engineering, specialization: structure, abstract: In recent years, the subject of seismic isolation has been particularly focused on the seismic design of buildings. The main purpose of this work is to isolate the structure from the ground instead of using conventional retrofitting methods The equipment used in ...

Number of pages: 73 Category: Physical Education - Sports

Dissertation for M.A. Master's Degree in Physical Education Major: Sports Physiology Abstract: The purpose of this research was to investigate the effects of a central body stability training program on posture control, dynamic and static balance of volleyball players. The statistical population of this research was volunteer male volleyball players aged 18 to 24 from Zanjan ...

Number of pages: 66 Category: Research Methodology

Abstract: Introduction and purpose: One of the most important adult stem cells that has attracted the attention of most researchers is mesenchymal stem cells. Mesenchymal stem cells derived from bone marrow have the ability to transform into different types of cells, including fat cells, bone and cartilage, in addition, these cells can be differentiated into neuronal cells. Most ...

Number of pages: 83 Category: Chemical - Petrochemical Engineering

Chemical Engineering Master's Thesis Abstract: In this research, a method for the synthesis of ZSM-5 nanozeolite was presented. Then this nanozeolite was modified with CTAB surfactant and its characteristics were investigated using XRD, FT-IR, and SEM methods. This nanozeolite was used to prepare a modified carbon paste electrode (SMNZ/CPE) to measure sulfate anion. Also, the ...

Number of pages: 19 Category: Research Methodology

Mechanical Engineering Master's Thesis Proposed Design - Introduction The use of fibers in concrete started about 50 years ago and day by day their use in various fields has increased. Adding fibers to the mixing design improves the mechanical properties of concrete and the behavior of the structure after cracking. It also increases the softness and malleability of the section. ...

Number of pages: 171 Category: Facilities - Mechanics

Dissertation for a master's degree in civil engineering, soil and foundation mechanics. Abstract: Since many structures are built in dense urban areas, there is an increasing need to build buildings and geotechnical structures on soft clay soils. Clay soils usually show significant creep deformation. Although a lot of research has been done on the creep behavior of natural clay, ...

Number of pages: 85 Category: Facilities - Mechanics

Dissertation to receive a master's degree in mechanical engineering in the field of construction and production. Abstract: The growth and expansion of cities and the development of urban life require up-to-date and expandable infrastructure. Transportation systems are among the basic infrastructures in cities, among which the creation and development of subway networks is of ...

Number of pages: 168 Category: Mining Engineering

Dissertation for Master's Degree in Rock Mechanics Introduction Excavations made in rocks have different dimensions according to their purpose and vary from small dimensions to dimensions comparable to huge concrete structures. Surface excavations can be used as a space for extracting mines, creating buildings, and supporting and overflowing dams, factories, power plants, as ...

Number of pages: 124 Category: Electrical Engineering

Abstract Changing the parameters in an industrial process causes the process to go out of its optimal working point. This change, in turn, will reduce the efficiency of closed-loop controllers that are designed for the optimal operating point of the system. Therefore, it is necessary to first detect and identify these changes as a defect and then correct the system behavior by ...

Number of pages: 83 Category: Civil Engineering

Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including

Number of pages: 121 Category: Civil Engineering

end‌name? Rasht Master's Degree: Civil Engineering (M.S.C.) Focus: Hydraulic Structures Academic Year 2011-2012 Summary of the Minab River, the most important river of Khan? The fresh water is in Hormozgan province. this river

Number of pages: 154 Category: Civil Engineering

Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance

Number of pages: 65 Category: Industrial Engineering

Thesis for the M.Sc degree in wood and paper industry engineering, Mehr 2013 Abstract: In this research, the physical and mechanical properties of nanocomposites obtained from cellulose nanofibers and poly polymers

Number of pages: 136 Category: Facilities - Mechanics

Chapter 1 1-1-Introduction: Common fluids such as water, oils and ethylene glycol, which are usually used as heat transfer media, have a limited ability in terms of thermal properties, which is the first obstacle to compress and increase the efficiency of heat exchangers. One of the ways to improve heat transfer is to add particles to the fluid. This method is used for fluids ...

Number of pages: 22 Category: Librarianship

Abstract: In this study, the relationship between ownership concentration, company performance and dividend policy in companies listed in the food and pharmaceutical industries of the Tehran Stock Exchange has been examined. The statistical sample of the research includes 44 companies during the period of 1380 to 1387. The chosen approach for hypothesis testing is the ...

Number of pages: 134 Category: Librarianship

Dissertation for receiving a master's degree, specialization: accounting, abstract: the theory of capital structure presents two competing models for the financing decisions of joint-stock companies. The parallel model and the preference model. In the parallel model, companies identify the optimal leverage by establishing a balance between the benefits and the costs of debt. For ...

Number of pages: 152 Category: Librarianship

Dissertation for receiving a master's degree, orientation: accounting. Abstract In this research, we have examined the relationship between dividend policy and productivity. The intended research is an applied research. In terms of the type of research design, it is retrospective in order to rely on historical information, and its inference method is inductive and correlational. ...

Number of pages: 102 Category: Librarianship

Dissertation for Master's Degree (M.A.) Direction: Accounting Abstract Competition in the product market has a significant impact on the investment of companies and operational decisions and theoretically indicates the upper and lower limit of investment in an economic enterprise. This will result in adverse consequences such as decreasing market efficiency, increasing ...

Number of pages: 159 Category: Librarianship

The thesis for receiving a master's degree (M.A) in the field of accounting, the abstract quality of profit from various aspects including (having predictive value, feedback value, neutrality, timeliness and honest expression) has been evaluated and considered by researchers. The purpose of this research is to examine the relationship between some corporate governance mechanisms ...

Number of pages: 111 Category: Management

Dissertation for Master's Degree (M.A.) in Information Systems Management Abstract: The purpose of this research is to investigate the effect of using e-government on improving accountability in the government offices of Malekan city. For this purpose, a main hypothesis and five sub-hypotheses were designed. The statistical population of this research is all the referents of the ...