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The effect of overhanging on corrugated box compression strength is well known. However, the combined effect of overhang and humidity is usually based on the superposition method, where humidity and overhang effects are applied... more
The effect of overhanging on corrugated box compression strength is well known. However, the combined effect of overhang and humidity is usually based on the superposition method, where humidity and overhang effects are applied separately. In this study, 9x9x9” single-wall corrugated boxes were used. They were tested with a relative humidity of 50%, 65%, and 80% together with an overhang of 1 – 4 inches. As expected, the humidity reduces the compression strength of the box. As the overhang increases toward the midpoint of the box’s dimension, the rate of strength reduction becomes slower. This is because the box corners carry a lot more load than the wall. Estimation of strength as a percentage of the strength of zero overhang for 9x9x9” boxes was developed as: % Of Zero Overhang Strength = 0.0233x2 - 1.8581x + 99.089 where x = Overhang as % of box dimension. The equation can also be presented in term of strength loss as: % Loss from Zero Overhang Strength = -0.0233x2 + 1.8581x + 0.9105 Keywords Overhang; Corrugated Boxes; Compression Strength; Humidity Effect
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An incline impact test can be used as a shock test in lieu of a drop test in several test protocols, including ISTA Procedure 1A [1]. Some test protocols, such as ISTA Procedure 1E [2], only allow for an incline impact test and horizontal... more
An incline impact test can be used as a shock test in lieu of a drop test in several test protocols, including ISTA Procedure 1A [1]. Some test protocols, such as ISTA Procedure 1E [2], only allow for an incline impact test and horizontal impact test. In this case study, a graph was developed for a 500-lb impact tester at Christian Brothers University (CBU) Packaging Laboratory. It determines sliding platform location on the incline for a given packaged-product weight to meet the impact velocity recommended by the International Safe Transit Association (ISTA). One station of the platform location higher than the station obtained from the graph is recommended to ensure the meeting of ISTA recommended impact velocity. It is well known that weight is not used in impact velocity of a free fall drop. However, this case study shows that weight contributes to impact velocity of an incline impact test. It contributes to the rolling friction. A heavier weight yields a smaller coefficient of ...
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October 20, 2008 CHAIRMAN’S MESSAGE Dear Colleagues: I am pleased to announce that Christian Brothers University will host the MAESC 2009 Conference on Tuesday, May 12, 2009*, at their beautiful campus on 650 East Parkway South in... more
October 20, 2008 CHAIRMAN’S MESSAGE Dear Colleagues: I am pleased to announce that Christian Brothers University will host the MAESC 2009 Conference on Tuesday, May 12, 2009*, at their beautiful campus on 650 East Parkway South in Memphis, Tennessee. As in the past, the goal of the conference is to provide a forum for engineers, scientists, and technical professionals in the mid-south region to discuss topics of importance to them. MAESC 2009 will be a one-day conference, which will have an entire track focused on safety concerns, the theme of the conference. Other tracks will be designated for technical presentations in the various areas of engineering and the sciences. If you are a registered professional engineer, the conference will give you up to seven PDH’s. Look for the Call for Participation, which will be issued in November 2008. Updates on the conference will be posted at: http://www.maesc.org. Together we can make our regional technical community stronger! We look forward...
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PDF file of Extended Abstract [Extended Abstract] , P ower Point Presentation mixed with Author's voice [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference... more
PDF file of Extended Abstract [Extended Abstract] , P ower Point Presentation mixed with Author's voice [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference materials you must be Register with this PACKCON SCHOLARLY REFEREED ONLINE CONFERENCE SYSTEM. Once you Register yourself please inform us at info@packcon.org to enable your subscription or participation.
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PDF file of Extended Abstract [Extended Abstract] , P ower Point Presentation mixed with Author's voice [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference... more
PDF file of Extended Abstract [Extended Abstract] , P ower Point Presentation mixed with Author's voice [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference materials you must be Register with this PACKCON SCHOLARLY REFEREED ONLINE CONFERENCE SYSTEM. Once you Register yourself please inform us at info@packcon.org to enable your subscription or participation.
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This is the third piece of work under "Learning by Doing" series in the packaging program at Christian Brothers University. A student studied the combinations of temperature and relative humidity (RH) of the CSZ ZP-32... more
This is the third piece of work under "Learning by Doing" series in the packaging program at Christian Brothers University. A student studied the combinations of temperature and relative humidity (RH) of the CSZ ZP-32 environmental chamber at the CBU ISTA Certified Packaging Laboratory. A graph showing a range of RH for a given temperature was developed with the following findings: The chamber could not reach any RH when the temperature was set below 38F. The chamber could reach an upper limit of about 95% RH when the temperature was set above 38F. The lower limit of RH, "y" in %, followed the equation below, where "x" was the temperature in F. y = 289.66e-0.028x The graph was then attached to the front side of the chamber door.
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PDF file of Extended Abstract [Extended Abstract] , Power Point Presentation mixed with Author's narration [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the... more
PDF file of Extended Abstract [Extended Abstract] , Power Point Presentation mixed with Author's narration [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference open access materials you must be Registered with the IESTOC SCHOLARLY REFEREED ONLINE CONFERENCE SYSTEM. Registration is Free .. Register Now .. Register Yourself and get full access of IESTOC published materials...
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PDF file of Extended Abstract [Extended Abstract] , Power Point Presentation mixed with Author's narration [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the... more
PDF file of Extended Abstract [Extended Abstract] , Power Point Presentation mixed with Author's narration [PPT MP3] and Power Point PDF [PPT PDF] are available only for Registered Users Only . To view/download all the conference open access materials you must be Registered with the IESTOC SCHOLARLY REFEREED ONLINE CONFERENCE SYSTEM. Registration is Free .. Register Now .. Register Yourself and get full access of IESTOC published materials...
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En alternative aux langages de programmation ordinaires, avantages des tableurs (aspect graphique, gestion d'une base de donnee); deux exemples, pour le calcul des sollicitations et de la quantite d'acier (graphisme), et le choix... more
En alternative aux langages de programmation ordinaires, avantages des tableurs (aspect graphique, gestion d'une base de donnee); deux exemples, pour le calcul des sollicitations et de la quantite d'acier (graphisme), et le choix des armatures (base de donnee)
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Christian Brothers University has offered a Packaging Engineering Certificate since the 2002-2003 academic year. The program covers the basics of packaging engineering, including materials, distribution packaging, and medical packaging.... more
Christian Brothers University has offered a Packaging Engineering Certificate since the 2002-2003 academic year. The program covers the basics of packaging engineering, including materials, distribution packaging, and medical packaging. The program is being expanded to cover more details in these as well as other related areas. As part of a senior project in civil engineering, two students who were interested in structural engineering chose to work on the structural design of containers. Reviewing available related standards and guidelines was part of the project. This paper gives a history of transport packaging since the 1880’s as the industrial revolution began and manufacturers shipped their goods nationwide via railroad. It also describes the essence of the International Convention for Safe Containers (CSC). In addition, two designs were produced for wooden crates to be used for the transport of a marine diesel engine. The alternatives are differentiated by type of wood and component fasteners used. The first uses light basswood and nails to fasten the different pieces of the crate. The second uses heavier yellow poplar wood for durability, and bolts that allow the crate to be reassembled and reused. The second option was recommended because, in addition to the benefits of reusability and strength, the poplar turned out to be cheaper at current local prices.
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Systeme base sur une regle pour l'analyse de poutre en acier construit sur le systeme EXSYS. Le systeme expert a une base de donnees de 57 sections utilisees le plus communement
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Christian Brothers University (CBU) has offered a successful Master in Engineering Management (MEM) graduate program since 1989. In 2005, the university started online course development for distance education to reach out to more... more
Christian Brothers University (CBU) has offered a successful Master in Engineering Management (MEM) graduate program since 1989. In 2005, the university started online course development for distance education to reach out to more students. This culminated in 2007 with the introduction of a fully online degree, M.S. in Engineering Management (MSEM) with electives focused on information technology. A spring 2007
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Abstract: Plastic totes are often used in the distribution of healthcare products. Often products are damaged due to drop impact during transit [1]. In this study, drop tests were performed from 12” to 24” using a Claritin box taped to... more
Abstract: Plastic totes are often used in the distribution of healthcare products. Often products are damaged due to drop impact during transit [1]. In this study, drop tests were performed from 12” to 24” using a Claritin box taped to the bottom of a plastic tote with an ...
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Abstract An expert system has been developed for teaching concrete mix design using the Personal Consultant Plus expert system development tool. Several useful features for education purposes are discussed. The system is highly... more
Abstract An expert system has been developed for teaching concrete mix design using the Personal Consultant Plus expert system development tool. Several useful features for education purposes are discussed. The system is highly interactive and allows the student to ask questions such as WHY an input data is need or HOW a certain parameter or a conclusion is derived. Several graphics images and help messages are incorporated into the system. The system contains answers to several fundamental questions on the mix design process. Programming techniques are also presented. This paper demonstrates that educational software can be easily developed using an expert system development tool.
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Abstract A semi-automated student advising system has been developed using QUATTRO spreadsheet software. The system consists of five inter-related spreadsheet templates; MAIN, RECORD, PROGRESS, AID, and SCHED. The MAIN template provides... more
Abstract A semi-automated student advising system has been developed using QUATTRO spreadsheet software. The system consists of five inter-related spreadsheet templates; MAIN, RECORD, PROGRESS, AID, and SCHED. The MAIN template provides the listing of required courses. Student records are kept in the RECORD template. The student progress chart is displayed by the PROGRESS template. The AID template recommends to the advisor what courses the student can take. The SCHED template provides a worksheet for trial schedules, so that time conflicts can be avoided. The system performs tedious bookkeeping and analyzing tasks, so the advisor can spend more time with the student.
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Shop ASCE; MyASCE; Donate Now; Contact Us; About Civil Engineering; About ASCE. ASCE Join Now. Knowledge & Learning: Books & Journals; CE Body of Knowledge; Certification; Codes & Standards; Conferences; Continuing ...
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The effect of overhanging on corrugated box compression strength is well known. However, the combined effect of overhang and humidity is usually based on the superposition method, where humidity and overhang effects are applied... more
The effect of overhanging on corrugated box compression strength is well known. However, the combined effect of overhang and humidity is usually based on the superposition method, where humidity and overhang effects are applied separately. In this study, 9x9x9” single-wall corrugated boxes were used. They were tested with a relative humidity of 50%, 65%, and 80% together with an overhang of 1 – 4 inches. As expected, the humidity reduces the compression strength of the box. As the overhang increases toward the midpoint of the box’s dimension, the rate of strength reduction becomes slower. This is because the box corners carry a lot more load than the wall. Estimation of strength as a percentage of the strength of zero overhang for 9x9x9” boxes was developed as: % Of Zero Overhang Strength = 0.0233x2 - 1.8581x + 99.089 where x = Overhang as % of box dimension. The equation can also be presented in term of strength loss as: % Loss from Zero Overhang Strength = -0.0233x2 + 1.8581x + 0....
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Establishing a workforce pipeline is critical for any industry, including packaging. What follows are techniques to recruit students into four-year undergraduate packaging programs, ways to prepare them for our industry, and ideas on how... more
Establishing a workforce pipeline is critical for any industry, including packaging. What follows are techniques to recruit students into four-year undergraduate packaging programs, ways to prepare them for our industry, and ideas on how companies can get involved. Studies have indicated current and future shortages of college students. Only 61.8% of high school graduates continued to college in 2022, a decrease of 0.9% from 2020. Furthermore, high school graduates are projected to peak in number in 2025 before seeing a decline over the next dozen years due to lower birth rates amid the economic disruptions of the Great Recession. Meanwhile, existing college enrollment is down by almost 7.5% since 2019. COVID-19 significantly impacted undergraduate enrollment, with an unprecedented 13% drop, according to one estimate, in first-year enrollment from the fall of 2019 to 2021. Two-year colleges bore the brunt of these losses, with first-year enrollment almost 19% lower. Colleges have been offering courses online with increasing frequency, a trend accelerated by COVID-19. In the fall of 2020 during the pandemic, 75% of all undergraduate students were in at least one online course, and 44% of undergraduate students exclusively took online courses. Online alternatives to college such as "Grow with Google," a partnership of Google and Coursera, have also gained significantly in enrollment. Such programs can provide learners a cost-effective, speedy alternative to a college degree program. The Institute of Packaging Professionals offers other enhancement possibilities through packaging program partnerships with the schools. For example, IoPP's Fundamentals of Packaging Technology online course serves as a prerequisite among students lacking previous packaging training for a master's-level supply chain management curriculum. Current high school students are part of Generation Z, the first generation of true digital natives. They do not know a world without smartphones, expect technology to be able to do anything, do not distinguish between the physical and digital worlds, and no longer define work by a place. The digital nature of online learning, along with the time and space flexibility it affords, comes naturally to them. Given these factors, developing the new generation of packaging professionals is challenging and requires a novel approach.
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Training and Recruitment
ANNhas been developed on MS-DOS computers primarily foreducationaluses. Currently, it consists of six simulationprograms. ANN1is a very simple neural net whichshows how a network learns by adjusting its connectionweights. ANN2 is a single... more
ANNhas been developed on MS-DOS computers primarily foreducationaluses. Currently, it consists of six simulationprograms. ANN1is a very simple neural net whichshows how a network learns by adjusting its connectionweights. ANN2 is a single processing elementneural net, in whichthe user trains the networkmanually by adjusting the connectionweights and the threshold value. ANN3 is a manually trainedsimple two layered network.It demonstratesthepowerof hiddenneurons. ANN4 is a Bidirectional AssociativeMemory network.ANN5 is a Perceptron that learns fromexamples. ANN6 is a networkbased on the backpropagation of error. Graphics have been used extensively in all networks. Students can observe the way these networks learn. Hypertext is used to explain concepts, and also serves as an online user's manual.
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Corrugated boxes, widely used in packaging products, experience a significant reduction in their compressive strength with the increase in humidity. This could cause problems during the warehousing phase when boxes are stacked. A... more
Corrugated boxes, widely used in packaging products, experience a significant reduction in their compressive strength with the increase in humidity. This could cause problems during the warehousing phase when boxes are stacked. A psychrometric chart is often used to determine humidity-related quantities based on wet and dry bulb temperatures. In this paper, four neural networks were developed to predict relative humidity, specific volume, humidity ratio, and enthalpy at saturation from wet and dry bulb temperatures. The networks are implemented as web-based applications and are available to the public free of charge as part of the CBU Packaging e-Materials Project.
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An electronic book (e-Book) was developed as part of the author’s sabbatical leave project. It contains information on five major distribution/transport package testing methods, i.e., drop test, impact test, shock test, compression test,... more
An electronic book (e-Book) was developed as part of the author’s sabbatical leave project. It contains information on five major distribution/transport package testing methods, i.e., drop test, impact test, shock test, compression test, and vibration test. Information for each test includes a list of equipment vendors, related ASTM standards, and an overview of the testing procedure. Multimedia elements used include image, sound, and video. A multimedia guide to PowerPointbased e-Book development was also developed to show how these multimedia elements were developed and integrated into an e-Book.
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... The McGraw-Hill handbook of distance learning. Post a Comment. CONTRIBUTORS: Author: Chute, Alan G. Author: Thompson, Melody M. Author: Hancock, Burton W. PUBLISHER: McGraw-Hill (New York). SERIES TITLE: YEAR: 1999. PUB TYPE: Book... more
... The McGraw-Hill handbook of distance learning. Post a Comment. CONTRIBUTORS: Author: Chute, Alan G. Author: Thompson, Melody M. Author: Hancock, Burton W. PUBLISHER: McGraw-Hill (New York). SERIES TITLE: YEAR: 1999. PUB TYPE: Book (ISBN 0070120285 ). ...