Download more than 100 examples of thesis, proposal and project topics about concrete surface roughness in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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, ...
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 ...
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
To receive a master's degree in textile technology engineering. Abstract In the previous research, multi-sized nano-roughness was developed using nanoparticles with different sizes and different surface charges along with silicone resin coating to produce multi-purpose textiles with stable properties. In this research, the idea of ??using laser irradiation and finishing textiles ...
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
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 ...
Dissertation for M.A. degree Abstract of this research, knowing the conditions governing the Fahlian River, determines the Manning roughness coefficient in the studied area using various experimental and semi-experimental methods and tables for use in designs. And it presents the best and most reliable method of determining the roughness coefficient using field studies and ...
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. ...
Introduction In today's era, the presence of waste materials resulting from various physical and chemical processes is one of the important problems of industrialized and developing countries. So that extensive research is being carried out for methods of recycling or disposing of them to minimize the damage to the environment. In this regard, construction researchers, like ...
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 ...
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 ...
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 ...
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
Dissertation for receiving a master's degree (M.A) in the field of architecture – Architectural engineering trend spring 2014 Urban safety area, fire training centers are one of the most effective places in the three training departments
Dissertation to receive a master's degree in the field of meteorology with an urban orientation. Abstract: The researches conducted in the world mainly indicate a gradual increase in the average temperature. Today, the trend of freezing temperatures is one of the most important climate parameters that are evaluated to prove climate change in a region. Analyzing the trend of the ...
Dissertation for the Master's degree ""M.A"" Field: Geography and Urban Planning Abstract: Today, with the expansion of cities and the growth of urbanization, as well as the increase in problems and dilemmas caused by this process and the importance of finding integrated management and balanced, comprehensive and sustainable development of the city, the discussion of improving ...
Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract: Urban heat islands are areas of the earth's surface that have a higher temperature than neighboring areas. The spread of this phenomenon varies in space and time. The creation of thermal islands and its spatial and temporal changes are mostly ...
The thesis of the master's degree in dramatic literature was Nikolai Gogol, a Russian novelist and dramatist, who dealt with social realities with an emotional and humorous look in his works. In the first chapter, the generalities of the research are presented. In the second chapter, Luk?cs's point of view in this field is also explained. In the third chapter, Gogol's approach ...
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. ...
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 ...
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 ...
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
Dissertation for Master's degree (M.S) Chapter 1 History of dynamic analysis of liquid storage tanks and regulatory orders in this regard Abstract The main goal of this research is to investigate the effect of the presence of seismic isolators on the dynamic performance of liquid storage tanks during an earthquake. In this regard, it is necessary to first know the dynamic ...
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 ...
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 ...
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. ...
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 ...
Abstract: Introduction: One of the main goals of treating periodontal diseases is to preserve the alveolar bone in order to continue the survival of the tooth. There is a suspicion that if the activity of osteoblast cells is stimulated and the osteoclastic activity of bone cells is prevented during the treatment process, the bone structure can be rebuilt. The positive effect of ...
Dissertation for Master's Degree in Power Electricity Chapter 1 Overview of Wind Energy and Wind Turbine Preface Energy supply and demand in the world has become one of the most important issues of the day, so that the world will be seriously affected by it until the end of the 20th century and even after that. Fossil energies such as oil, gas and coal are facing a new big ...
Dissertation Chemistry for Master's Degree Abstract Acrylic-based pressure-sensitive adhesives are more expensive than rubber-based adhesives, but they have a longer life and resistance to high temperatures, chemicals, UV rays, solvents, light, softeners, and the environment. Modification of acrylic pressure-sensitive adhesives is useful for improving adhesion properties. In ...
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 ...
Thesis for obtaining a master's degree in the field: Agricultural Engineering, specialization: Agriculture, abstract of underground drainage of paddy fields with the purpose of drying. The land is constructed at the time of harvest (increasing the tolerance of the soil), mid-season drainage and lowering the water table level after rice harvesting (for autumn and winter ...
Abstract In this research, the effect of different degrees of burial in windy sand on some physiological and vegetative characteristics of Qara Dagh and Rames species was measured. One-year-old saplings of Qarhadagh and Rames species were obtained from the nursery of the General Department of Natural Resources of Yazd province and subjected to five control treatments, burial ...
Dissertation for Master's Degree Abstract Achieving higher rates of heat transfer using different techniques that can result in saving a significant amount of energy and also lead to the production of more compact and cheaper devices with higher thermal efficiency has attracted the attention of researchers. Vortex generation is one of the best methods used to increase heat ...
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 ...
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 ...
To obtain a master's degree in mechanical engineering - manufacturing and production. Abstract: The electric discharge machining process is one of the advanced machining processes, which is one of the important applications of this process. Despite the unique applications of this machining method, low chipping rate, high surface roughness, high tool wear rate and environmental ...
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
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
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
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
Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the problems of advancing the management of pastures and forests in the northern regions of the country is fires that cause heavy environmental and financial damages. Fire risk management in connection with preventive measures can protect the natural ...
Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...
Dissertation for Master's Degree in Civil Engineering - Structures Abstract: One of the important problems in seismic design and implementation of buildings is the significant dead weight used in it. Therefore, in the case of using lightweight concrete that has favorable mechanical properties, significant benefits can be obtained, including a reduction in dead load and ...
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 ...
Master's thesis in the field of civil engineering (environmental engineering) is an abstract of the surface absorption method, one of the effective methods for removing metals, including nickel metal. In this research, modified rice paddy has been used as absorbent material. Since this adsorbent is a natural material with a high contact surface, in addition to its high ability ...
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 ...
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 ...
Dissertation for receiving a master's degree in civil engineering, soil mechanics, and the abstract of the contents, one of the most important and at the same time the most difficult topics in soil mechanics is the problem of the stability of gables. Analyzing the stability of soil slopes in order to determine the most probable rupture process or in other words to find the ...
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 ...
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. ...
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 ...
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 ...
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 ...
Master's Thesis in Accidents Abstract: Vehicle traffic safety is one of the most basic principles in traffic engineering and transportation planning in the world. Non-observance of safety principles in the design of roads, maintenance and planning of transportation and traffic in the country has caused heavy damages to the society. Slip resistance[1] is considered as one of the ...
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 ...
Civil Engineering Master's Thesis, Soil and Foundation Engineering Abstract In this thesis, in order to analyze the behavior of surface foundations based on reinforced soil, a simple physical method based on the resistance of materials called ""cone method"" is used, which is actually used as an alternative to the exact solution methods that are based on the three-dimensional ...
Master's thesis in the field of structural civil engineering Abstract: Steel-reinforced concrete is a material that is widely used in civil engineering structures due to reasons such as suitable compressive strength, low cost of preparation and availability of raw materials. But reinforced concrete prepared from cement paste, ordinary aggregates, and steel rebars has weaknesses ...
Master's thesis in the field of road, building and environmental engineering - hydraulic structures Abstract In this research, nonlinear wave differential equations are solved by the local RBF-DQ numerical method. These differential equations are in the form of Laplace's equation (as a governing equation) and nonlinear boundary conditions on the free surface; The basis of the ...
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 ...
Master's Thesis in Chemical Engineering Abstract Simulation of dynamic surface tension phenomenon in solvent oil systems based on permeation process is one of the prominent processes in the field of increasing extraction from oil reservoirs, gas injection. Therefore, a correct understanding of the mechanisms and how these processes are carried out is a big step towards ...
Thesis for receiving a master's degree in the field of chemical engineering in the field of biotechnology. The abstract of this research was conducted in order to optimize the operational parameters for the use of bioleaching technology in the extraction of copper from the slag produced by the reflective smelting furnaces of Sarchesmeh copper complex. Wide applications of ...
Dissertation for receiving the master's degree ""M.Sc."" Chemical engineering trend, thermodynamic and synthetic engineering Abstract In this study, the modeling of dilute acid hydrolysis of walnut green skin as a sample of lignocellulosic material to produce fermentable sugar in the bioethanol process has been studied. The four parameters of temperature, time, acid ...
Dissertation for Master's Degree in Physical Chemistry Abstract In this research, to evaluate the intermolecular potential energy level (IPS) of the F2-F2 system, the second virial coefficient of fluorine gas was calculated. The IPSs were obtained using the QCISD(T) level of theory and the cc-pVTZ-aug basis set. Calculations were performed in the temperature range of 100 to 600 ...
In order to obtain a master's degree in the field of mechanical engineering, energy conversion, abstract: In this thesis, the mass and heat transfer by integral method in the flow of natural displacement of a fluid with a very low frontal near the wavy inclined wall and under the magnetic field has been investigated. The wall is permeable and as a result, the fluid can be sucked ...
Master's Thesis of Electrical Engineering-Communications Wave Orientation Abstract In this thesis, identification of the position and shape of two-dimensional metal objects by optimization[1] of the cost function[2] with the help of the level setting method[3] and the simulation results are presented. In this method, we were able to obtain the shape and position of the objects ...
Abstract Improving the active surface model by using optimization of energy functions for segmentation of 3D images, detecting the boundary and exact surface of objects in 2D or 3D images is considered one of the most important and complex issues in the field of image processing, which has many applications in the fields of machine vision, including object tracking, surface ...
Master's Thesis in Food Science and Technology (M.Sc) Major: Food Engineering Abstract In this research, the effect of zadu and CHO gums at 5 levels of 0, 0.1, 0.2, 0.28 and 0.4 percent and gum arabic and xanthan gum at levels of 0, 0.5, 0.9, 1.4, 1.8 and 0.08, respectively. 0.1, 0.15 and 0.2% on the stability, rheological and sensory properties of buttermilk during 59 days of ...
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
Thesis - Master's Degree in Geophysics - Winter Seismology 2012 Abstract In this research, the effect of a branch fault in a subduction zone on tsunami waves using numerical modeling of tsunami waves.
Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects
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.
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
Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.
Dissertation for Master's Degree in Civil Engineering/ Cold Water Engineering 1392 1-1- Introduction In this chapter, an overview of the concept of climate change and its causes and the effect of this phenomenon on natural resources and
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
Thesis for obtaining a master's degree in the field of civil engineering, oriented towards soil and foundation mechanics, Shahrivar 2013 Abstract Dams are always considered as infrastructure structures
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
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