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Coastal Defenses, U.S., Bert Chapman 2014 Purdue University

Coastal Defenses, U.S., Bert Chapman

Libraries Faculty and Staff Scholarship and Research

Provides an overview of U.S. military coastal defenses during the period up to and including the War 1812.


An Emerging Vocabulary: Architecture Of Performance, Jeremy H. Stock 2014 University of Kentucky

An Emerging Vocabulary: Architecture Of Performance, Jeremy H. Stock

Kaleidoscope

Re-chartered at the University of Kentucky in 2005, the Triangle Fraternity – a brotherhood of students studying Architecture, Engineering, and Sciences – now seeks to establish a visible presence by building a new fraternity house on-campus. To enable this investigation, professors Gregory Luhan, Peyman Jahed, and Bruce Walcott developed a design + energy studio experience that provided a framework for an integrated design team to use a systems-thinking approach to generate a range of scalable, net-zero energy prototypes. These prototypes can be applied in a variety of contexts and have the potential to address larger issues, such as energy efficiency and environmental stewardship ...


Structural Damage Detection Utilizing Experimental Mode Shapes, Evan Jamison Gerbo 2014 California Polytechnic State University

Structural Damage Detection Utilizing Experimental Mode Shapes, Evan Jamison Gerbo

Master's Theses and Project Reports

A method of locating structural damage is developed and tested to aid in the evaluation of structural health. This method will help minimize the cost of structural inspection and repair by informing engineers of where damage, due a seismic event, has occurred before the removal of finishes for visual inspection. This thesis begins to answer the question “can structural damage be detected solely through analysis of experimentally measured mode shapes?”

The work encompasses construction of a test structure, with three braces that can be repeatedly engaged or dis-engaged, thus allowing for testing of a variety of braced configurations. For this ...


Effects Of Polyethylene Terephthalate Fibers In The Water Resistance Of Compressed Stabilized Earth Blocks., Ebrima Colley 2014 University of Nebraska - Lincoln

Effects Of Polyethylene Terephthalate Fibers In The Water Resistance Of Compressed Stabilized Earth Blocks., Ebrima Colley

Architectural Engineering -- Dissertations and Student Research

This research project focuses on investigating the effects of synthetic fibers (PET) and amount of cement stabilization on the water absorption, water surface erosion, and wet compressive strength of the compressed stabilized earth blocks (CSEB). The use of locally available soils blended with fibers and cement was investigated to obtain a design mix for compressed stabilized earth blocks capable of staying intact in wet and humid regions in the world (i.e. regions with annual rainfall of over 50 in). Blocks with varying cement percentages of 5, 8, 10, and 15% by weight were produced with 3 specimens each, with ...


Mesure Du Coefficient D’Absorption De Matériaux Poreux Sous Champ Acoustique Diffus Synthétique, Olivier Robin, Alain Berry, Olivier Doutres Ph.D., Noureddine Atalla 2014 SelectedWorks

Mesure Du Coefficient D’Absorption De Matériaux Poreux Sous Champ Acoustique Diffus Synthétique, Olivier Robin, Alain Berry, Olivier Doutres Ph.D., Noureddine Atalla

Olivier Doutres Ph.D.

Cette communication décrit une méthode expérimentale pour l’estimation du coefficient d’absorption de matériaux absorbants sous un champ acoustique diffus synthétisé dans des conditions de champ libre. Des comparaisons sont réalisées entre des résultats expérimentaux obtenus via cette méthode et celle standardisée de la chambre réverbérante, ainsi qu’avec des simulations numériques basées sur la méthode des matrices de transfert. En utilisant des surfaces de matériaux inférieures à celles requises pour la méthode standardisée, les valeurs de coefficient d’absorption obtenues ne présentent pas les surestimations liées aux effets de taille de l’échantillon vues dans le cas de ...


Performance Of No Vibration/No Admixture Masonry Grout Containing High Replacement Of Portland Cement With Fly Ash And Ground Granulated Blast Furnace Slag, Eric Bateman 2014 California Polytechnic State University

Performance Of No Vibration/No Admixture Masonry Grout Containing High Replacement Of Portland Cement With Fly Ash And Ground Granulated Blast Furnace Slag, Eric Bateman

Master's Theses and Project Reports

When hollow concrete masonry is used for construction in high seismic regions, structural designs typically require fully grouted walls. The grouting process is labor-intensive, time-consuming and has a high energy demand due to requirements of consolidation in each and subsequent grout lifts. Self-consolidating grout with admixtures has been successfully used without segregation in walls of up to 12.67 ft. in height. Investigation of self-consolidating grout mixes without admixtures has potential for sustainability improvement.

This thesis reports on the compression strength and consolidation observations of self-consolidating characteristics of no vibration/no admixture grout made by substituting various proportions of Portland ...


Integrating Climate Change Adaptation, Disaster Risk Reduction And Urban Planning: A Review Of Nicaraguan Policies And Regulations, Claudia Rivera, Christine Wamsler 2014 SelectedWorks

Integrating Climate Change Adaptation, Disaster Risk Reduction And Urban Planning: A Review Of Nicaraguan Policies And Regulations, Claudia Rivera, Christine Wamsler

Christine Wamsler

The integration of risk reduction and climate change adaptation has become an urgent task in addressing increasing urban risk more effectively and efficiently. This paper analyses the extent to which climate change adaptation is integrated into the policies and regulatory frameworks that guide urban risk reduction in Nicaragua, and discusses related progress. The results reveal significant progress in integrating climate change adaptation into the policy and regulatory frameworks of the three relatively new fields of (a) disaster risk reduction, (b) environmental management and (c) urban planning. They show that differences in the degree of integration relate to the development and ...


Quantifying The Effect Of Passive Solar Design In Traditional New England Architecture, Peter M. Levy 2014 SelectedWorks

Quantifying The Effect Of Passive Solar Design In Traditional New England Architecture, Peter M. Levy

plevy@eco.umass.edu

Passive solar design can be an effective means of reducing conditioning loads in residential buildings by utilizing free solar heat during the heating season, and blocking unwanted solar heat during the cooling season. The objective of this thesis was to use energy modeling software to simulate the effect that incorporating passive solar design strategies into typical New England style houses would have on their energy usage for heating and cooling. The designs that were studied were Capes, Colonials, and Saltboxes. Four versions of increasing energy efficiency were studied for each style. After measuring baseline energy usage for each model, four ...


A Case Study Of Zero Energy Home Built For Solar Decathlon Competition 2013, Sanjib Mulepati 2013 University of Nevada, Las Vegas

A Case Study Of Zero Energy Home Built For Solar Decathlon Competition 2013, Sanjib Mulepati

UNLV Theses/Dissertations/Professional Papers/Capstones

Energy consumption in residential homes has been a subject of research related to sustainability. Reduction in the consumption of energy is a goal of sustainable construction. The Department of Energy (DOE) started a Solar Decathlon competition in 2002 in which the students from different universities around the globe build an energy efficient and affordable home suitable for their climate and location. The main goal of this competition is to select the best home that is designed and built in a sustainable way. In this study, the home designed and constructed for participation in the competition by the students at University ...


The Water Wall: A Passive Solar Collection And Thermal Storage Device For Supplementary Radiant Heating, Rhett Roman Noseck 2013 University of Nevada, Las Vegas

The Water Wall: A Passive Solar Collection And Thermal Storage Device For Supplementary Radiant Heating, Rhett Roman Noseck

UNLV Theses/Dissertations/Professional Papers/Capstones

Through the implementation of passive solar building systems, suburbia could take a fresh new step forward toward a progressively more sustainable direction. Making passive solar strategies a priority, master planned community developments would see opportunity to change the style and design of future suburban residences.

The focus and intention of this body of work is to research, design, fabricate, and test a prototype of a passive solar heating device using water as the medium for thermal storage. The size and shape of the design for the water wall device will be determined by the currently built suburban environment; however, for ...


Brocade & Cal Poly Project Challenge, Andy Vallejo 2013 California Polytechnic State University

Brocade & Cal Poly Project Challenge, Andy Vallejo

Architectural Engineering

No abstract provided.


Approximating The Seismic Amplification Effects Experienced By Solar Towers Mounted On The Rooftops Of Low-Rise Industrial Buildings, Peter Luiz Balla 2013 California Polytechnic State University

Approximating The Seismic Amplification Effects Experienced By Solar Towers Mounted On The Rooftops Of Low-Rise Industrial Buildings, Peter Luiz Balla

Master's Theses and Project Reports

This thesis investigates the acceleration amplification experienced by solar towers mounted on the rooftops of low-rise industrial buildings during a seismic event. Specifically, this thesis looks to assess the validity of using amplification factors adopted by the ASCE 7-05Minimum Design Loads for Buildings and Other Structures to approximate seismic acceleration amplification for roof-mounted solar towers. To investigate the validity of the ASCE 7-05 amplification factors, this thesis conducts timehistory analyses of three theoretical solar towers mounted on the roof of a case study building. The time history analyses are conducted in the finite element computer modeling program SAP 2000 using ...


Absorption Simulation ( Absim ) Software Development, Vipul Vishnu Bhat, Ming Qu 2013 Purdue University

Absorption Simulation ( Absim ) Software Development, Vipul Vishnu Bhat, Ming Qu

The Summer Undergraduate Research Fellowship (SURF) Symposium

Researchers working on air conditioning systems currently use a software called ABSIM ( Absorption Simulation ) to evaluate current absorption systems or simulate new system designs. ABSIM was developed at Oak Ridge National Labs in the 1980s and the latest platform it is compatible with is Windows XP. ABSIM is not compatible on newer platforms and is not very user friendly. A lot of the actions involved in using ABSIM aren’t very intuitive. The goal is to develop a more user friendly simulation program that is based off of ABSIM and see to it that the program can be deployed across ...


Compression Testing And Failure Modes Of Steel-Concrete Composite (Sc) Structures For Nuclear Containment, Patrick Michael Wanamaker, Amit H. Varma 2013 Purdue University

Compression Testing And Failure Modes Of Steel-Concrete Composite (Sc) Structures For Nuclear Containment, Patrick Michael Wanamaker, Amit H. Varma

The Summer Undergraduate Research Fellowship (SURF) Symposium

Although being able to provide much cleaner power than burning coal and other fossil fuels, nuclear power plants are still a tough sell to the general public due to their history of being spontaneously dangerous. The containment structures surrounding these nuclear plants, however, can play a huge role in reducing the risks associated with them. Relatively new designs for these containment assemblies, known as SC (steel-concrete composite) structures, aim to increase the strength and durability of the containment facilities while keeping costs down. By varying the spacing between shear studs, the ratio of concrete to steel, and the ratio of ...


Environmental Monitoring In Preparation For The Installation Of A Green Roof, Andrew N. Martin, Ming Qu 2013 Purdue University

Environmental Monitoring In Preparation For The Installation Of A Green Roof, Andrew N. Martin, Ming Qu

The Summer Undergraduate Research Fellowship (SURF) Symposium

Green roofs are becoming an increasingly popular way to improve the environmental, economic, and aesthetic performance of both new and existing buildings. Along with the green roofs themselves, it is also common to install sensors to measure various environmental parameters that are affected by or important to the operation of the roof such as precipitation, temperature, and runoff. However, for most of these systems, the sensors are installed at the same time or even after the green roof. Therefore, no before-and-after comparisons can be made for those roofs. To account for this missing data, monitoring equipment was installed on a ...


How Kaizen Group Leader Selection Affects Group Participation, M. Joleen Byerline 2013 Western Kentucky University

How Kaizen Group Leader Selection Affects Group Participation, M. Joleen Byerline

Masters Theses & Specialist Projects

Organizational communication research indicates group member participation increases as the legitimate power differences among group members decreases. Lean principles and practices indicate Kaizen Event members will contribute regardless of legitimate power levels, due to member training, education, and the Lean team-oriented culture. Further study is needed to determine if Lean culture and training maximize group member contribution, or if legitimate power levels in Lean environments manipulate participation. The focus of this case study is a central Kentucky Lean manufacturing organization that practiced Lean principles for at least three years and completed a Kaizen Event within twelve months previous to the ...


Teaching Archtecture, Engineering And Construction Disciplines: Using Various Pedagogical Styles To Unify The Learning Process, Jill Nelson, John W. Lawson 2013 California Polytechnic State University

Teaching Archtecture, Engineering And Construction Disciplines: Using Various Pedagogical Styles To Unify The Learning Process, Jill Nelson, John W. Lawson

Architectural Engineering

The Architectural Engineering Department at the California Polytechnic State University, San Luis Obispo (Cal Poly) teaches introductory sophomore level statics and mechanics of materials courses to students in three departments in the College of Architecture and Environmental Design. These courses are unique in that students in the Architectural Engineering Department share coursework with students in the Architecture and Construction Management Departments. While learning and problem solving in these multidisciplinary courses have many advantages, they also offer many challenges. The learning preference of the students in these three distinctly different disciplines requires a fresh approach to the course structure. The courses ...


Quantifying The Just Noticeable Difference Of Reverberation Time With Band-Limited Noise Centered Around 1000 Hz Using A Transformed Up-Down Adaptive Method, Matthew G. Blevins, Adam T. Buck, Zhao Peng, Lily M. Wang 2013 University of Nebraska - Lincoln

Quantifying The Just Noticeable Difference Of Reverberation Time With Band-Limited Noise Centered Around 1000 Hz Using A Transformed Up-Down Adaptive Method, Matthew G. Blevins, Adam T. Buck, Zhao Peng, Lily M. Wang

Architectural Engineering -- Faculty Publications

This study seeks to quantify the just noticeable difference (JND) of reverberation time (RT) using band-limited noise. ISO 3382-1 lists the JND of reverberation metrics at 5% based on work by Seraphim (1958). However, others have found the JND of RT to be higher from 6% to 39%. Many of these studies utilized band-limited stimuli, e.g. speech, music motifs and bandlimited noise. A previous study by the authors conducted on 30 subjects using white noise demonstrated a JND of RT at 22%. To further verify these results and investigate potential upward frequency masking, the present study was conducted following ...


Rating Low Levels Of Ambient Noise In Performing Arts Facilities, Lily M. Wang, Brent A. Kraay 2013 University of Nebraska - Lincoln

Rating Low Levels Of Ambient Noise In Performing Arts Facilities, Lily M. Wang, Brent A. Kraay

Architectural Engineering -- Faculty Publications

Previous studies have indicated that common indoor noise rating metrics, such as Noise Criteria NC and Room Criteria RC, do not best correlate to human perceptions of annoyance and distraction in typical office environments. Based on investigations conducted at the University of Nebraska using noise levels between 30 – 60 dBA, the author has proposed that an effective indoor noise rating method should begin with a rating of level (either dBA or sones), then an assessment of spectral quality, tones, and fluctuations. How well would such a system work at very low levels of ambient noise, though, as found in performing ...


Effects Of Background Noise Alternating Between Two Levels At Varying Time Intervals On Human Perception And Performance, Andrew Hathaway, Lily M. Wang 2013 University of Nebraska - Lincoln

Effects Of Background Noise Alternating Between Two Levels At Varying Time Intervals On Human Perception And Performance, Andrew Hathaway, Lily M. Wang

Architectural Engineering -- Faculty Publications

This research experiment aims to better quantify human perception and performance under increased background noise levels of varying intervals. Twenty-seven participants were tested over five 30 minute sessions where they were subjected to RC-29(H) and RC-47(RV) conditions created by broadband noise fluctuating on different time intervals. These intervals varied from two minutes to ten minutes, simulating the conditions of a noisy HVAC system turning on and off. The performance results of an arithmetic test dealing with short-term memory and a subjective questionnaire will be presented and compared to a similar test using broadband noise bursts and correlated to ...


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