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Articles 31 - 60 of 91
Full-Text Articles in Engineering
Evaluation Of Performance And Design Of Ultra-Thin Whitetopping (Bonded Concrete Resurfacing) Using Large-Scale Accelerated Pavement Testing, Scott Newbolds, Jan Olek
Evaluation Of Performance And Design Of Ultra-Thin Whitetopping (Bonded Concrete Resurfacing) Using Large-Scale Accelerated Pavement Testing, Scott Newbolds, Jan Olek
JTRP Technical Reports
Ultra-Thin Whitetopping (UTW) is a pavement rehabilitation technique that involves the placement of a thin Portland Cement Concrete (PCC) overlay, 2 inches (50 mm) to 4 inches (100 mm) thick, over a distressed Hot Mix Asphalt (HMA) pavement. Typically, the HMA pavement is milled and cleaned which helps to create a bond between the existing HMA pavement and the PCC overlay. The bond between the two layers promotes composite action of the pavement section and as a result has a direct impact on the performance of the UTW Pavement. This composite action allows for the reduced thickness in the UTW …
A Parallel Spectral Element Method For Dynamic Three-Dimensional Nonlinear Elasticity Problems, S. Dong, Z. Yosibash
A Parallel Spectral Element Method For Dynamic Three-Dimensional Nonlinear Elasticity Problems, S. Dong, Z. Yosibash
PRISM: NNSA Center for Prediction of Reliability, Integrity and Survivability of Microsystems
We present a high-order method employing Jacobi polynomial-based shape functions, as an alternative to the typical Legendre polynomial-based shape functions in solid mechanics, for solving dynamic three-dimensional geometrically nonlinear elasticity problems. We demonstrate that the method has an exponential convergence rate spatially and a second-order accuracy temporally for the four classes of problems of linear/geometrically nonlinear elastostatics/elastodynamics. The method is parallelized through domain decomposition and message passing interface (MPI), and is scaled to over 2000 processors with high parallel performance.
Real-Time Arterial Traffic Signal Performance Measures, Christopher M. Day, Edward J. Smaglik, Darcy M. Bullock, James R. Sturdevant
Real-Time Arterial Traffic Signal Performance Measures, Christopher M. Day, Edward J. Smaglik, Darcy M. Bullock, James R. Sturdevant
JTRP Technical Reports
Increasing demand for highway system capacity compels transportation agencies to extract as much capacity as possible from existing systems. Traffic signals represent a major component of highway systems. Improvement of traffic signal operation requires accurate performance measures. Despite recent improvements in computing technology, traffic signal controllers are currently not able to capture useful performance measures on a cycle-by-cycle basis. This report presents a set of performance measures that could be collected on a cycle-by-cycle basis by a traffic signal controller given the capability to log phase indications and detector actuations. The performance measures investigated here include the volume-to-capacity ratio and …
Level Spectrum Of Single Gated As Donors, Gabriel P. Lansbergen, Rajib Rahman, J. Caro, N. Collaert, S. Biesemans, Gerhard Klimeck, S. Rogge, L.C. L. Hollenberg
Level Spectrum Of Single Gated As Donors, Gabriel P. Lansbergen, Rajib Rahman, J. Caro, N. Collaert, S. Biesemans, Gerhard Klimeck, S. Rogge, L.C. L. Hollenberg
Other Nanotechnology Publications
We study the electrical transport through single As donors incorporated in the channel of a FinFET, i.e. a donor in a three-terminal geometry. By means of spectroscopic measurements in conjuction with a NEMO-3D model, we can identify the excited states and associate them with either the donors Coulomb potential, a triangular well at the interface or a hybridized combination of the two. The correspondence between the transport measurements, the theoretical model and the local environment provides an atomic understanding of actual gated donors in a nanostructure.
Statewide Wireless Communications Project, Volume 3: Data Collection And Signal Processing For Improvement Of Road Profiling And Proof Of Concept Of A Vehicle-Infrastructure Based Road Surface Monitoring Application, J. V. Krogmeier, Darcy M. Bullock
Statewide Wireless Communications Project, Volume 3: Data Collection And Signal Processing For Improvement Of Road Profiling And Proof Of Concept Of A Vehicle-Infrastructure Based Road Surface Monitoring Application, J. V. Krogmeier, Darcy M. Bullock
JTRP Technical Reports
The Statewide Wireless Communications Project was an umbrella project intended to support various INDOT activities in the area of wireless communications. As these activities were conducted independently the report for the project is organized into three volumes. Volume 1 contains the results of satellite and cellular communications field testing undertaken in support of INDOT’s SiteManager application. Volume 1 also contains the results of an evaluation of spread spectrum radios for long-range communications. Volume 2 contains the results of detection zone evaluation for loop detection of bicycles and the results of testing algorithms for travel time estimation using vehicle re-identification based …
Statewide Wireless Communications Project, Volume 1: Communication Field Tests For Satellite, Cellular, And Spread Spectrum Radio, J. V. Krogmeier, Darcy M. Bullock
Statewide Wireless Communications Project, Volume 1: Communication Field Tests For Satellite, Cellular, And Spread Spectrum Radio, J. V. Krogmeier, Darcy M. Bullock
JTRP Technical Reports
The Statewide Wireless Communications Project was an umbrella project intended to support various INDOT activities in the area of wireless communications. As these activities were conducted independently the report for the project is organized into three volumes. Volume 1 contains the results of satellite and cellular communications field testing undertaken in support of INDOT’s SiteManager application. Volume 1 also contains the results of an evaluation of spread spectrum radios for long-range communications. Volume 2 contains the results of detection zone evaluation for loop detection of bicycles and the results of testing algorithms for travel time estimation using vehicle re-identification based …
Statewide Wireless Communications Project, Volume 2: Inductive Loop Detection Of Bicycles And Inductive Loop Signature Processing For Travel Time Estimation, J. V. Krogmeier, Darcy M. Bullock
Statewide Wireless Communications Project, Volume 2: Inductive Loop Detection Of Bicycles And Inductive Loop Signature Processing For Travel Time Estimation, J. V. Krogmeier, Darcy M. Bullock
JTRP Technical Reports
The Statewide Wireless Communications Project was an umbrella project intended to support various INDOT activities in the area of wireless communications. As these activities were conducted independently the report for the project is organized into three volumes. Volume 1 contains the results of satellite and cellular communications field testing undertaken in support of INDOT’s SiteManager application. Volume 1 also contains the results of an evaluation of spread spectrum radios for long-range communications. Volume 2 contains the results of detection zone evaluation for loop detection of bicycles and the results of testing algorithms for travel time estimation using vehicle re-identification based …
Genes Controlling Plant Growth Habit In Leymus (Triticeae): Maize Barren Stalk1 (Ba1), Rice Lax Panicle, And Wheat Tiller Inhibition (Tin3) Genes As Possible Candidates., Paraminder Kaur, Steven R. Larson, B.S. Bushman, Richard R. Wang, Ivan W. Mott, Jyothi Thimmapuram, George Gong, Lei Liu
Genes Controlling Plant Growth Habit In Leymus (Triticeae): Maize Barren Stalk1 (Ba1), Rice Lax Panicle, And Wheat Tiller Inhibition (Tin3) Genes As Possible Candidates., Paraminder Kaur, Steven R. Larson, B.S. Bushman, Richard R. Wang, Ivan W. Mott, Jyothi Thimmapuram, George Gong, Lei Liu
Cyber Center Publications
Leymus cinereus and L. triticoides are large caespitose and rhizomatous perennial grasses, respectively. Previous studies detected quantitative trait loci (QTL) controlling rhizome spreading near the viviparous1 (vp1) gene markers on linkage groups LG3a and LG3b in two families, TTC1 and TTC2, derived from Leymus triticoides x Leymus cinereus hybrids. The wheat tiller inhibition gene (tin3) is located on Triticum monococcum chromosome 3 A(m)L near vp1. Triticeae group 3 is reportedly collinear with rice chromosome 1, which also contains the maize barren stalk1 and rice lax branching orthogene near vp1. However, previous studies lacked cross-species markers for comparative mapping and showed …
Contributions To Foundation Engineering In Geotechnique, Rodrigo Salgado, G. T. Houlsby, D. N. Cathie
Contributions To Foundation Engineering In Geotechnique, Rodrigo Salgado, G. T. Houlsby, D. N. Cathie
Lyles School of Civil Engineering Faculty Publications
Many of the important developments in the field of foundation engineering have been addressed in Géotechnique papers over the past 60 years. This paper briefly reviews some of these developments and related articles, particularly with respect to shallow and deep foundations. In the early days of Géotechnique, the power to perform sophisticated numerical analyses did not exist. Papers tended to focus on the solution of problems using simple models in which soil was modelled either as linear elastic or as perfectly plastic. Engineers sought simple closed-form analytical solutions for boundary-value problems. With the development of more powerful analytical, computational …
Release Of Hydrophobic Molecules From Polymer Micelles Into Cell Membranes Revealed By Forster Resonance Energy Transfer Imaging, Hongtao Chen, Sungwon Kim, Shuyi Wang, Kinam Park, Ji-Xin Cheng
Release Of Hydrophobic Molecules From Polymer Micelles Into Cell Membranes Revealed By Forster Resonance Energy Transfer Imaging, Hongtao Chen, Sungwon Kim, Shuyi Wang, Kinam Park, Ji-Xin Cheng
Other Nanotechnology Publications
it is generally assumed that polymeric micelles, upon administration into the blood stream, carry drug molecules until they are taken up into cells followed by intracellular release. The current work revisits this conventional wisdom. The study using dual-labeled micelles containing fluorescently labeled copolymers and hydrophobic fluorescent probes entrapped in the polymeric micelle core showed that cellular uptake of hydrophobic probes was much faster than that of labeled copolymers. This result implies that the hydrophobic probes in the core are released from micelles in the extracellular space. Forster resonance energy transfer (FRET) imaging and spectroscopy were used to monitor this process …
Estimating Highway Maintenance Work 2008, Ohio Department Of Transportation, Indiana Ltap
Estimating Highway Maintenance Work 2008, Ohio Department Of Transportation, Indiana Ltap
Indiana Local Technical Assistance Program (LTAP) Publications
This manual is founded upon a problem index that walks through a number of equations that will estimate the maintenance work required in areas such as bridge deck repair, chip and seal, crack sealing, mowing, road salt application, salt spreader calibration, and many more everyday road maintenance operations. The manual also includes an appendix to help with lengths, areas, volumes, rates, equivalents, and rules.
Structures And Energetics Of Si Nanotubes From Molecular Dynamics And Density Functional Theory, Amritanshu Palaria, Gerhard Klimeck, Alejandro Strachan
Structures And Energetics Of Si Nanotubes From Molecular Dynamics And Density Functional Theory, Amritanshu Palaria, Gerhard Klimeck, Alejandro Strachan
Birck and NCN Publications
We use molecular dynamics (MD) with a first principles-based force field (ReaxFF) and density functional theory (DFT) to predict the atomic structure, energetics and elastic propoerties of Si nanotubes. We find various low-energy and low-symmetry hollow structures with external diameters of about 1 nm. These are the most stable structures in this small-diameter regime reported so far and exhibit properties very different from the bulk. While the cohesive energies of the four most stable nanotubes reported here are similar (from 0.638 to 0.697 eV above bulk Si), they have disparate Young's moduli (from 72 to 123 GPa).
Knowledge-Based System To Support Site Investigation For Safety Improvement, Andrew P. Tarko, Andrew Kwasniak, Jorge Ramos
Knowledge-Based System To Support Site Investigation For Safety Improvement, Andrew P. Tarko, Andrew Kwasniak, Jorge Ramos
JTRP Technical Reports
Specialists in transportation and other areas of engineering are trying to improve road safety. The most difficult part is determining the road features, driver behaviors, and vehicular failures that unduly increase the risk of crash. To help INDOT safety investigation teams, a previous research project developed a prototype Road Safety Investigation Tool (RSIT) for two-way stop-controlled intersections. The research summarized here has evaluated the prototype RSIT and has developed a new version RSIT2 that has incorporated the findings of the evaluation.
The evaluation of the RSIT prototype confirmed usefulness of the proposed methodology. The tool has been applied to two …
The Draft Genome Of The Transgenic Tropical Fruit Tree Papaya ( Carica Papaya Linnaeus), Ray Ming, Shaobin Hou, Yun Feng, Qinguyi Yu, Jyothi Thimmapuram
The Draft Genome Of The Transgenic Tropical Fruit Tree Papaya ( Carica Papaya Linnaeus), Ray Ming, Shaobin Hou, Yun Feng, Qinguyi Yu, Jyothi Thimmapuram
Cyber Center Publications
Papaya, a fruit crop cultivated in tropical and subtropical regions, is known for its nutritional benefits and medicinal applications. Here we report a 3 draft genome sequence of 'SunUp' papaya, the first commercial virus-resistant transgenic fruit tree1 to be sequenced. The papaya genome is three times the size of the Arabidopsis genome, but contains fewer genes, including significantly fewer disease-resistance gene analogues. Comparison of the five sequenced genomes suggests a minimal angiosperm gene set of 13,311. A lack of recent genome duplication, atypical of other angiosperm genomes sequenced so far may account for the smaller papaya gene number in …
Gold Nanorod-Mediated Photothermolysis Induces Apoptosis To Macrophages Via Damage Of Mitochondria, Ling Tong, Ji-Xin Cheng
Gold Nanorod-Mediated Photothermolysis Induces Apoptosis To Macrophages Via Damage Of Mitochondria, Ling Tong, Ji-Xin Cheng
Birck Poster Sessions
Alterations in macrophage functions contribute to a variety of autoimmune and inflammatory diseases. Diagnosis and eradication of activated macrophages is becoming a valid pharmaceutical target. In this work, gold nanorods conjugated with arginine-rich peptides were applied as theragonosis agents to detect activated macrophages via two-photon luminescence (TPL) and subsequent eradicate through optical hyperthermia. Functionalized gold nanorods could be selectively internalized by activated macrophages in live animals 0.5 h after intraperitoneal (i.p.) injection. Apoptosis of macrophage was induced under proper irradiation conditions to reduce secondary inflammation, through mitochondria-dependent pathway.
Water-Soluble Iron Oxide Nanoparticles For Nanomedicine, Christy L. Cooper, Lisa M. Reece, J Key, Donald E. Bergstrom, James F. Leary
Water-Soluble Iron Oxide Nanoparticles For Nanomedicine, Christy L. Cooper, Lisa M. Reece, J Key, Donald E. Bergstrom, James F. Leary
Birck Poster Sessions
Monodisperse iron oxide nanoparticles (MION) are easily synthesized in organic solvents for industrial applications. However, biological applications require that the particles by readily dispersed in aqueous solutions. To improve their dispersion in aqueous solution, MION particles can be conjugated to water soluble polymers. These water soluble particles can then be used for nanomedicine, which utilizes nanometer scale constructs to treat diseases at the cellular level. Here we report the synthesis of a monodisperse iron oxide nanoparticle construct for breast cancer applications.
2008 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Indiana Ltap
2008 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Indiana Ltap
Indiana Local Technical Assistance Program (LTAP) Directory
Contact information for agency officials and employees responsible for Indiana’s local road infrastructure.
Outperforming The Conventional Scaling Rules In The Quantum-Capacitance Limit, Joachim Knoch, W Riess, Joerg Appenzeller
Outperforming The Conventional Scaling Rules In The Quantum-Capacitance Limit, Joachim Knoch, W Riess, Joerg Appenzeller
Other Nanotechnology Publications
We present a study on the scaling behavior of field-effect transistors in the quantum-capacitance limit (QCL). It will be shown that a significant performance improvement in terms of the power delay product can be obtained in devices scaled toward the QCL. As a result, nanowires or nanotubes exhibiting a 1-D transport are a premier choice as active channel materials for transistor devices since the QCL can be attained in such systems.
Highway And Street Department Fuel Survey For Indiana Counties, Cities, And Towns, Indiana Ltap
Highway And Street Department Fuel Survey For Indiana Counties, Cities, And Towns, Indiana Ltap
Indiana Local Technical Assistance Program (LTAP) Publications
The objective of this report is to determine the number of refueling stations available to county highway departments and city and town street departments for their vehicles and equipment. In addition, the type of fuel that each department has at these locations is recorded.
Responses to this survey were received from every county, forty-seven of the fifty highest populated cities, and twelve of the fifteen highest populated towns in Indiana. The data contained within this report is based upon the number of responses received.
The information presented in this report may be used by county highway departments and city and …
Analysis Of The Shaft Resistance Of Nondisplacement Piles In Sand, D Loukidis, Rodrigo Salgado
Analysis Of The Shaft Resistance Of Nondisplacement Piles In Sand, D Loukidis, Rodrigo Salgado
Lyles School of Civil Engineering Faculty Publications
The paper examines, using numerical modelling, the problem of the limit shaft resistance of non-displacement piles installed in sands. The modelling makes use of an advanced, two-surface-plasticity constitutive model. The constitutive model predicts the soil response in both the small- and the large-strain range, while taking into account the effects of the intermediate principal effective stress and of the inherent anisotropy of the sand. Finite element analyses of shearing along the pile shaft are performed in order to examine the development of limit unit shaft resistance and the changes in stress state around the shaft upon axial loading of the …
Limit States And Load And Resistance Design Of Slopes And Retaining Structures, Dongwook Kim, Rodrigo Salgado
Limit States And Load And Resistance Design Of Slopes And Retaining Structures, Dongwook Kim, Rodrigo Salgado
JTRP Technical Reports
Load and Resistance Factor Design (LRFD) methods for slopes and MSE walls were developed based on probability theory. The complexity in developing LRFD for slopes and MSE walls results from the fact that (1) the representation of spatial variability of soil parameters of slopes using Gaussian random field is computationally demanding and (2) LRFD of MSE walls requires examination of multiple ultimate limit states for both external and internal stability checks.
For each design case, a rational framework is developed accounting for different levels of target probability of failure (or target reliability index) based on the importance of the structure. …
Six Dimensions Of Expertise: A More Comprehensive Definition Of Cognitive Expertise For Team Coordination, S K. Garrett, Barrett S. Caldwell, E C. Harris, M C. Gonzalez
Six Dimensions Of Expertise: A More Comprehensive Definition Of Cognitive Expertise For Team Coordination, S K. Garrett, Barrett S. Caldwell, E C. Harris, M C. Gonzalez
School of Industrial Engineering Faculty Publications
Looking at expertise from the vantage point of many knowledge domains allows the observations and resulting definitions to be useful across a broad range of subject areas. A stable set of definitions that work on a higher, more comprehensive level than the current literature offers is needed for an integrated description of expertise. A cohesive cross-domain definition and explanation of expertise can be used to optimise group interactions. Since group performance incorporates additional components of expertise that are not present in individual performance situations, these additional components must be examined in order to see a full picture of the successful …
Determination Of The Eigenstates And Wavefunctions Of A Single Gated As Donor, Gabriel P. Lansbergen, R. Rahman, C. J. Wellard, P. E. Rutten, J. Caro, I. Woo, N. Colleart, S. Biersemans, Gerhard Klimeck
Determination Of The Eigenstates And Wavefunctions Of A Single Gated As Donor, Gabriel P. Lansbergen, R. Rahman, C. J. Wellard, P. E. Rutten, J. Caro, I. Woo, N. Colleart, S. Biersemans, Gerhard Klimeck
Other Nanotechnology Publications
Current semiconductor devices have been scaled to such dimensions that we need take atomistic approach to understand their operation for nano-electronics. From a bottomsup perspective, the smallest functional element within a nanodevice would be a single (dopant) atom itself. Control and understanding over the eigenenergies and wavefunctions of a single dopant could prove a key ingredient for device technology beyond-CMOS. Here, we will discuss the eigenlevels of a single As donor in a three terminal configuration. The donor is incorporated in the channel of prototype transistors called FinFETs. The measured eigenlevels are shown to consist of levels associated with the …
Nanopatterning Using Nsom Probes Integrated With High Transmission Nanoscale Bowtie Aperture, Nicholas Murphy-Dubay, Liang Wang, Edward C. Kinzel, Sreemanth Mv Uppuluri, Xianfan Xu
Nanopatterning Using Nsom Probes Integrated With High Transmission Nanoscale Bowtie Aperture, Nicholas Murphy-Dubay, Liang Wang, Edward C. Kinzel, Sreemanth Mv Uppuluri, Xianfan Xu
Birck and NCN Publications
Nanoscale ridge aperture antennas have been shown to have high transmission efficiency and confined nanoscale radiation in the near field region compared with regularly-shaped apertures. The radiation enhancement is attributed to the fundamental electric-magnetic field propagating in the TE10 mode concentrated in the gap between the ridges. This paper reports experimental demonstration of field enhancement using such ridge antenna apertures in a bowtie shape for the manufacture of nanometer size structures using an NSOM (near field scanning optical microscopy) probe integrated with nanoscale bowtie aperture. Consistent lines with width of 59 nm and as small as 24 nm have be …
Externally Assembled Gate-All-Around Carbon Nanotube Field-Effect Transistor, Zhihong Chen, Damon Farmer, Sheng Xu, Roy Gordon, Phaedon Avouris, Joerg Appenzeller
Externally Assembled Gate-All-Around Carbon Nanotube Field-Effect Transistor, Zhihong Chen, Damon Farmer, Sheng Xu, Roy Gordon, Phaedon Avouris, Joerg Appenzeller
Other Nanotechnology Publications
In this letter, we demonstrate a gate-all-around single-wall carbon nanotube field-effect transistor. This is the first successful experimental implementation of an off-chip gate and gate-dielectric assembly with subsequent deposition on a suitable substrate. The fabrication process and device measurements are discussed in the letter. We also argue in how far charges in the gate oxide are responsible for the observed nonideal device performance.
Stormwater Drainage Manual 2008, Christopher B. Burke, Thomas T. Burke
Stormwater Drainage Manual 2008, Christopher B. Burke, Thomas T. Burke
Indiana Local Technical Assistance Program (LTAP) Publications
This manual is a comprehensive catalog of procedures, design methods and criteria, and general background information which will enable the designer to quickly learn or review the basic principles of storm drainage design. Subjects included are precipitation and hydrological cycle, runoff and its estimation, open channels, flow in gutters and inlets, stormwater storage, storm sewer system design, computer applications for computing watershed runoff, and water quality. Included in the appendices are basics of statistical analysis, fundamentals of hydraulics, and a list of regulatory agencies and governmental bodies which may have jurisdiction over drainage projects.
2007 Summary Of Highway Revenues, Distributions, & Expenses For Indiana Counties, Cities, & Towns, Indiana Ltap
2007 Summary Of Highway Revenues, Distributions, & Expenses For Indiana Counties, Cities, & Towns, Indiana Ltap
Indiana Local Technical Assistance Program (LTAP) Publications
This report provides information on revenues, distributions, and expenses of state and local governments for highway, road, and street work. Since the Motor Vehicle Highway (MVH) and Local Road and Street (LRS) Accounts are the principal source of funds for local road or street construction and maintenance operations, this summary may be used to see the trends in income sources and in the expenses charged to the funds prior to their being distributed to the highway, road, and street agencies.
Carbon Nanotubes For High-Performance Electronics - Progress And Prospect, Joerg Appenzeller
Carbon Nanotubes For High-Performance Electronics - Progress And Prospect, Joerg Appenzeller
Other Nanotechnology Publications
Carbon nanotube devices offer intrinsic advantages for high-performance logic device applications. The ultrasmall body of a carbon nanotube-the tube diameter-is the key feature that should allow aggressive channel length scaling, while the intrinsic transport properties of the nanotube ensure at the same time high on-currents. in addition, the narrowness of the tube is critical to implementation of novel device concepts like the tunneling transistor. By understanding the unique capabilities of carbon nanotubes and using them in unconventional designs, novel nanoelectronic applications may become feasible. However, much better control of materials quality must be obtained, and new fabrication processes must be …
Influence Of Phonon Scattering On The Performance Of P-I-N Band-To-Band Tunneling Transistors, Siyuranga O. Koswatta, Mark S. Lundstrom, Dmitri E. Nikonov
Influence Of Phonon Scattering On The Performance Of P-I-N Band-To-Band Tunneling Transistors, Siyuranga O. Koswatta, Mark S. Lundstrom, Dmitri E. Nikonov
Other Nanotechnology Publications
Power dissipation has become a major obstacle in performance scaling of modern integrated circuits and has spurred the search for devices operating at lower voltage swing. In this letter, we study p-i-n band-to-band tunneling field effect transistors taking semiconducting carbon nanotubes as the channel material. The on current of these devices is mainly limited by the tunneling barrier properties, and phonon-scattering has only a moderate effect. We show, however, that the off current is limited by phonon absorption assisted tunneling, and thus is strongly temperature dependent. Subthreshold swings below the 60 mV/decade conventional limit can be readily achieved even at …
Hollo-Bolt®: Blind Connector For Structural Steelwork, Purdue Ect Team
Hollo-Bolt®: Blind Connector For Structural Steelwork, Purdue Ect Team
ECT Fact Sheets
Structural steel connections for connecting to square, rectangular or circular structural tube or to conventional steel where access is available from one side only poses problems. A technology was needed which could provide a quicker and tidier installation than traditional methods such as welding, unsightly strapping or drilling and tapping holes. The invention of the Hollo-Bolt® provided such a solution.