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Journal articles on the topic 'Trusses – Testing'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Karacabeyli, Erol, Conroy Lum, and Link Olson. "Strength and stiffness of glulam trusses with punched metal plated joints." Canadian Journal of Civil Engineering 20, no. 4 (1993): 622–30. http://dx.doi.org/10.1139/l93-079.

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Several Canadian wood truss manufacturers expressed a need to develop technical information to initiate the fabrication and acceptance of wood trusses made with glued-laminated timber (glulam) members and connected by punched metal plates. In collaboration with industrial participants, Forintek Canada Corp. developed a program for testing and analysis of metal plated glulam trusses. Twelve 3/12 pitched chord trusses and three parallel chord trusses, all 13.7 m long, were designed by three different plate manufacturers. All truss fabrication took place at a single truss manufacturing plant. Tru

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2

Frater, George S., and Jeffrey A. Packer. "Modelling of hollow structural section trusses." Canadian Journal of Civil Engineering 19, no. 6 (1992): 947–59. http://dx.doi.org/10.1139/l92-113.

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It has been recently advocated that a practical static design of hollow structural section (HSS) Warren and Pratt trusses, having either gapped or overlapped connections, can be performed on the basis of a force distribution obtained from an elastic analysis of the truss with either all the members pin-jointed or the web members pin-jointed to continuous chord members. However, at the service load level, gap-connected truss deflections have been previously underestimated by around 12%–15%. Laboratory testing of HSS trusses has accordingly been undertaken to establish experimental axial force a

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3

Xia, Ying. "Research of Static Load Testing Program of Reinforced Concrete Truss Scheme." Applied Mechanics and Materials 443 (October 2013): 110–13. http://dx.doi.org/10.4028/www.scientific.net/amm.443.110.

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In order to ensure the safety of the truss, truss structure should be carried out prior to use static loading test for assessing the actual working conditions as well as the truss trusses meet the design. The static load test site carries out the testing work. In this paper loaded static load test program was designed to include load cases and measuring points on the truss static load test a theoretical analysis.

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4

Lin, Hong Yu. "Static Performance Analysis on Combined Truss with Steel Tube and Concrete-Filled Steel Tube Based on Total Strain Crack Constitutive Model." Advanced Materials Research 311-313 (August 2011): 1884–88. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.1884.

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Based on the total strain crack constitutive model and the available testing data, finite element model on three trusses were established by the finite element procedure MIDAS/FEA and the analysis were executed in order to verify the validity of constitutive model and study the static performance of combined truss. The results show that the finite element model based on total strain crack constitutive can reflect the static performance of combined truss and can carry the affective parameters analysis, which can offer theory evidence for engineering application of combined truss. The failure of

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5

Samir, Peter, and George Morcous. "Precast Prestressed Concrete Truss-Girder for Roof Applications." Journal of Structures 2014 (December 14, 2014): 1–13. http://dx.doi.org/10.1155/2014/524156.

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Steel trusses are the most popular system for supporting long-span roofs in commercial buildings, such as warehouses and aircraft hangars. There are several advantages of steel trusses, such as lightweight, ease of handling and erection, and geometric flexibility. However, they have some drawbacks, such as high material and maintenance cost, and low fire resistance. In this paper, a precast concrete truss is proposed as an alternative to steel trusses for spans up to 48 m (160 ft) without intermediate supports. The proposed design is easy to produce and has lower construction and maintenance c

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6

McEachen, Michael E. "Validation of Slender Lattice Trusses by Modeling and Testing." Journal of Spacecraft and Rockets 49, no. 6 (2012): 970–77. http://dx.doi.org/10.2514/1.51301.

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7

Rice, Jennifer A., Douglas A. Foutch, James M. LaFave, and Schaun Valdovinos. "Field testing and analysis of aluminum highway sign trusses." Engineering Structures 34 (January 2012): 173–86. http://dx.doi.org/10.1016/j.engstruct.2011.09.021.

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8

Bonopera, Marco, Kuo-Chun Chang, Chun-Chung Chen, Tzu-Kang Lin, and Nerio Tullini. "Bending tests for the structural safety assessment of space truss members." International Journal of Space Structures 33, no. 3-4 (2018): 138–49. http://dx.doi.org/10.1177/0266351118804123.

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This article compares two nondestructive static methods used for the axial load assessment in prismatic beam-columns of space trusses. Examples include the struts and ties or the tension chords and diagonal braces of steel pipe racks or roof trusses. The first method requires knowledge of the beam-column’s flexural rigidity under investigation, whereas the second requires knowledge of the corresponding Euler buckling load. In both procedures, short-term flexural displacements must be measured at the given cross sections along the beam-column under examination and subjected to an additional tra

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9

Salinas, J. J., R. G. Gillard, and K. C. McMartin. "Strength and structural safety of long-span light wood roof trusses. Reliability analysis using safety index." Canadian Journal of Civil Engineering 12, no. 1 (1985): 114–25. http://dx.doi.org/10.1139/l85-012.

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The results of the full-scale testing, previously carried out, of 75 light wood trusses are analysed to evaluate their compliance with strength and serviceability requirements. Size effects were studied considering span length and chord size. Test data were grouped into 15 case studies according to span lengths, chord size, and mode of failure. For the study of a strength limit state, the safety index, β, was calculated for a range of values of the ratio of maximum lifetime to nominal snow load. For the study of a serviceability limit state, the safety index was calculated for a range of value

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10

Lau, Peter W. C. "Factors affecting the behaviour and modelling of toothed metal-plate joints." Canadian Journal of Civil Engineering 14, no. 2 (1987): 183–95. http://dx.doi.org/10.1139/l87-030.

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An efficient approach to determine the behaviour of toothed metal-plate joints is to use analytical techniques to model the behaviour on the basis of known properties of plate and wood, and loading conditions, backed by an actual testing of the joints for verification or calibration of the models. Existing computer-based techniques such as the Structural analysis of trusses (SAT) and Purdue plane stress analyzer II (PPSA II) were developed for modelling wood trusses. The applicability and usefulness of these techniques can be expanded if better joint models can be incorporated into SAT, or if

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11

Bakht, Baidar, and Leslie G. Jaeger. "Behaviour and evaluation of pin-connected steel truss bridges." Canadian Journal of Civil Engineering 14, no. 3 (1987): 327–35. http://dx.doi.org/10.1139/l87-052.

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Two posted bridges, with pin-connected steel trusses, were recently proof tested in Ontario. This paper presents some results of the tests and draws conclusions, which are also applicable to other similar structures. It is concluded that, unlike other bridge types, this type of bridge does not possess reserve strengths beyond those ascertained analytically. An experimental procedure is given in the paper using which the ratio of dead loads in the two components of a tension chord can be readily determined. This paper also describes a procedure by which equivalence between the test and design v

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12

Han, Qing-Hua, Ying Xu, Yan Lu, Jie Xu, and Qiu-Hong Zhao. "Failure mechanism of steel arch trusses: Shaking table testing and FEM analysis." Engineering Structures 82 (January 2015): 186–98. http://dx.doi.org/10.1016/j.engstruct.2014.10.013.

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13

Afshan, S., M. Theofanous, J. Wang, M. Gkantou, and L. Gardner. "Testing, numerical simulation and design of prestressed high strength steel arched trusses." Engineering Structures 183 (March 2019): 510–22. http://dx.doi.org/10.1016/j.engstruct.2019.01.007.

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14

Al-Talqany, Faris J. "Effect of Number of Wire Mesh Layers and Depth Ratio on Ultimate Shear Force for Monopanel Beam Specimens." Journal of University of Babylon for Engineering Sciences 26, no. 1 (2017): 407–13. http://dx.doi.org/10.29196/jub.v26i1.379.

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A monopanel is the system building witch consists of two thin ferrocement block as a faces and between them a bushy layer of low strength, density and cost as a core made from lightweight material for example from polystyrene foam as using in this investigation or any material as an insulation . The simple structural idealization of a monopanel system is that the core provides transverse trusses between the faces that prevent flexural ,shear force and compression. Transverse trusses made of steel bars having a diameter of 3.2 mm, which make available as tie reinforcement to prevent the t

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15

Skowroński, Wojciech, and Bohdan Stawiski. "Ultrasonic evaluation regarding the effects of biological corrosion of historical roof trusses." MATEC Web of Conferences 284 (2019): 07006. http://dx.doi.org/10.1051/matecconf/201928407006.

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For many years work has been performed to obtain sufficiently accurate correlation between the results of ultrasonic tests and the results of strength tests for evaluation of the strength parameters of wood in a structure. It is also important to ensure the development of methods which will facilitate the work of construction mycologists; that is, non-invasive methods of determining the volume of missing materials caused by biological corrosion. The study presents the idea of the objective examination of the thickness of a corroded layer by measuring the velocity of ultrasonic pulse along the

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16

K. J. Dick. "Field Testing of a Metal Connecting System for Bush-pole Trusses in Sierra Leone, West Africa." Applied Engineering in Agriculture 8, no. 5 (1992): 671–75. http://dx.doi.org/10.13031/2013.26140.

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17

Monforton, Gerard R., Murray C. Temple, and Gerhard W. H. Wolf. "An experimental and theoretical evaluation of a floor truss system." Canadian Journal of Civil Engineering 20, no. 3 (1993): 407–21. http://dx.doi.org/10.1139/l93-056.

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Floor joists consisting of 38 × 89 mm top and bottom chords connected by galvanized steel V webs are often used in the construction of low-rise buildings where long spans are required. An experimental and theoretical program was undertaken to evaluate the performance of such joists when used in conjunction with plywood sheathing attached to the top chord to form a truss floor system. A finite-element analysis procedure for sandwich beams with faces of unequal thickness was adapted in order to predict the load-deflection curves of full-scale floor systems. The experimental program involved the

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18

Gašpercová, Stanislava, and Linda Makovická Osvaldová. "Influence of Surface Treatment of Wood to the Flame Length and Weight Loss under Load Single-Flame Source." Key Engineering Materials 755 (September 2017): 353–59. http://dx.doi.org/10.4028/www.scientific.net/kem.755.353.

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The aim of the paper is reaction of fire of two selected wood (spruce and beech wood). These type of woods are used most in the construction industry both as a lining in outdoor or indoor, on the stairs or in the construction of roof trusses. Experiment was focus on testing reaction of fire on two different types of surfaces and the treated and untreated surfaces. The modified surface was abraded by sandpaper and rough surface was only saw wood. The main objective of this study was to observe and compare the length of the flame spread and weight loss of spruce and beech forest in treated and u

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19

Jasiński. "Research on the Influence of Bed Joint Reinforcement on Strength and Deformability of Masonry Shear Walls." Materials 12, no. 16 (2019): 2543. http://dx.doi.org/10.3390/ma12162543.

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The areas of Central and Eastern Europe and, thus, Poland are not exposed to the effects of seismic actions. Any possible tremors can be caused by coal or copper mining. Wind, rheological effects, the impact of other objects, or a nonuniform substrate are the predominant types of loading included in the calculations for stiffening walls. The majority of buildings in Poland, as in most other European countries, are low, medium-high brick buildings. Some traditional materials, like solid brick (> 10% of construction materials market) are still used, but autoclaved aerated concrete (AAC) and c

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20

Valente, Isabel, Luís F. Ramos, Kevin Vasquez, Paulo Guimarães, and Paulo B. Lourenço. "Non-Destructive Tests for the Structural Assessment of a Historical Bridge over the Tua River." Key Engineering Materials 569-570 (July 2013): 390–97. http://dx.doi.org/10.4028/www.scientific.net/kem.569-570.390.

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Paradela Bridge is a metallic bridge located along the bank of the Tua River in northern Portugal. While the bridge is not currently in service, its structure is representative of many metallic truss structures built across the continent between the XIX and the XX century. Tua Line belongs to the Douro area that UNESCO recently declared as world heritage. This study acquires its importance since it might serve as an insight for the study of many other similar structures all over the country. This paper comprises a historic investigation of archived documents, an on-site survey to evaluate its

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21

Tanasoglo, Anton, and Igor Garanzha. "Stress-strain state experimental researches of the lattice support pole sections for overhead power transmission line 110 kV." MATEC Web of Conferences 196 (2018): 02019. http://dx.doi.org/10.1051/matecconf/201819602019.

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An article compares the theoretical and experimental researches of joint work of steel tower type supports' fragments of overhead power transmission lines (OHPL) 110 kV. Attention is focused to high voltage supports operated on the Ukraine territory. Is described a spending principle of static experimental researches for flat trusses on the developed specialized experimental installation, allowing to investigate the joint work of overhead lines supports' fragments. Are presented the technique and results of the flat support model calculation in the "SCAD" software package. Are presented calcul

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22

Drobiec, Łukasz, Radosław Jasiński, and Wojciech Mazur. "The Use of Non-Destructive Testing (NDT) to Detect Bed Joint Reinforcement in AAC Masonry." Applied Sciences 10, no. 13 (2020): 4645. http://dx.doi.org/10.3390/app10134645.

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Detecting non-metallic reinforcement made of FRP (Fibre Reinforced Polymers) can be problematic, particularly at the stage of work inspection and constructional evaluation. In contrast to steel reinforcement, detecting non-metallic reinforcement is difficult using NDT (Non-Destructive Testing) techniques. These difficulties mainly arise from considerably lower density, radiation resistance or electromagnetic impedance and cross-section of rebars when compared to steel reinforcement. Specific problems with the reinforcement detection are experienced in masonry structures, in which reinforcement

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23

Detchev, I., A. Habib, F. He, and M. El-Badry. "Deformation monitoring with off-the-shelf digital cameras for civil engineering fatigue testing." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-5 (June 6, 2014): 195–202. http://dx.doi.org/10.5194/isprsarchives-xl-5-195-2014.

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Deformation monitoring of civil infrastructure systems is important in terms of both their safety and serviceability. The former refers to estimating the maximum loading capacity during the design stages of a building project, and the latter means performing regularly scheduled maintenance of an already existing structure. Traditionally, large structures have been monitored using surveying techniques, while fine-scale monitoring of structural components such as beams and trusses has been done with strain gauge instrumentation. In the past decade, digital photogrammetric systems coupled with im

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24

Yu, Zeliang, Bin Yang, Bin Jia, Yuhong Yan, Shaowen Xiao, and Ke Lei. "Test and Numerical Study on Monotonic Behavior of Complex CFT Column Joints." Advances in Civil Engineering 2019 (September 24, 2019): 1–20. http://dx.doi.org/10.1155/2019/5105934.

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This paper presents a test and numerical investigation into the monotonic behavior of three different complex steel trusses to concrete-filled tubular (CFT) column joints. Based on an engineering structure, 1 : 4 reduced-scale specimens are manufactured and the three-dimensional subassembly testing system is designed to apply the monotonic load. Test phenomena and load-stress curves show that all three types of joints have a considerable load-carrying capacity and joint rigidity. Finite element (FE) analysis is adopted, and the stress distribution shows good agreement with test data. Both test

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25

Shutova, Marina, and Sergey Evtushenko. "APPLICATION OF A COMPLEX APPROACH FOR THE DETERMINATION OF THE RESIDUAL LIFE OF AN INDUSTRIAL BUILDING WITH DEFORMED SLING TRUSSES." Construction and Architecture 7, no. 3 (2019): 30–35. http://dx.doi.org/10.29039/2308-0191-2019-7-3-30-35.

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The article is devoted to the problem of objective estimation of residual resource based on a complex approach using probabilistic methods and graph theory. A single-storey building of the industrial workshop in Taganrog was chosen as an object for evaluation. The survey revealed typical defects and damages for industrial buildings - soaking, weathering of the solution, corrosion and absence of paint coating, as well as atypical defects - cuts of mechanical nature in various elements of farms. These damages are stress concentrators, so a three-dimensional model of the sling truss with damage s

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26

Paultre, P., J. Proulx, and T. Bégin. "Ambient and forced-vibration tests of the Beauharnois suspension bridge." Canadian Journal of Civil Engineering 27, no. 6 (2000): 1162–72. http://dx.doi.org/10.1139/l00-051.

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Ambient and forced vibration tests were carried out on the Beauharnois Bridge, a unique, 177-m combined suspension and cable-stayed structure near Montreal. A rehabilitation program was completed on the bridge during which the deck was completely rebuilt with an orthotropic slab on two steel trusses. The rehabilitation program also included the addition of two pairs of stay cables on both towers, creating a hybrid suspension system. The paper presents a series of dynamic tests performed to evaluate the dynamic properties and the dynamic amplification factor (DAF) for the rehabilitated bridge.

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27

Kam, Weng Yuen, Richard Built, Brandt Saxey, and Jerod Johnson. "Buckling-Restrained Braces (BRB) Seismic Design - A Consulting Engineer’s Consideration." Key Engineering Materials 763 (February 2018): 932–40. http://dx.doi.org/10.4028/www.scientific.net/kem.763.932.

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There is no standard for the design of Buckling-Restrained Braces (BRBs) frames in New Zealand. Consequently, a consulting engineer would need to consider a range of overseas design standards and latest research findings and incorporate into a New Zealand code-compliance framework. This “Alternative Solution” pathway to satisfy the New Zealand Building Code means peer review and agreement with peer review is required. This paper describes the design journey and technical challenges the authors had in the seismic design of the BRB for the New Zealand International Convention Centre (NZICC). BRB

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28

Anagbo, P. E., and N. A. Oguocha. "The Structure and Mechanical Properties of Palm Timber as a Fibre Composite." Journal of Engineering Materials and Technology 111, no. 1 (1989): 21–25. http://dx.doi.org/10.1115/1.3226428.

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A study has been made of wood extracted from the oil palm (Elaeis guineensis), coconut palm (Cocos nucifera), and fan palm (Borassus flabe) which are common species of tropical palms. The wood from the palms is a natural composite material and measurements show that between 1/3 and 1/2 of the volume consists of fibre. However, the properties of both fibre and matrix vary with the species of palm. Mechanical testing of the wood as used in local constructions has shown that palm timber can indeed withstand tensile and compressive loads parallel to the grain better than the common nonfibrous trop

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29

CLARK, GORDON L., EMIKO CAERLEWY-SMITH, and JOHN C. MARSHALL. "Pension fund trustee competence: decision making in problems relevant to investment practice." Journal of Pension Economics and Finance 5, no. 1 (2006): 91–110. http://dx.doi.org/10.1017/s1474747205002374.

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Government-sponsored inquiries into trustee competence, and legislation regarding the protocols and practice of trustee decision making, have raised questions about the competence of trustees to make investment decisions consistent with the long-term interest of defined benefit pension plan beneficiaries. In this paper, we report the results of an analysis of trustee competence in solving problems relevant to their investment responsibilities. Based upon a set of widely recognized problems drawn from the psychology literature, we assess their discount functions, their willingness to risk their

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30

Madsen, Borg. "Length effects in 38 mm spruce–pine–fir dimension lumber." Canadian Journal of Civil Engineering 17, no. 2 (1990): 226–37. http://dx.doi.org/10.1139/l90-028.

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This paper deals with some of the problems arising when the strength of a structural member varies along its length such as occurs in timber members where knots and other natural growth characteristics create cross sections with varying strengths along the length of the member. Failure may then take place wherever a weak cross section happens to be subjected to high stresses. A different concept of strength must be introduced into the design codes in order to reflect the probability of such an occurrence. Strength becomes a function of length, depth, and load configuration, all of which must b

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31

Karobari, Mohmed Isaqali, Ahmad Fareez Abdul Aziz, Saleem D. Makandar, Nik Rozainah Nik Abdul Ghani, Mohamad Syahrizal Halim, and Tahir Yusuf Noorani. "Fracture Resistance of Teeth with Truss Endodontic Access: An In Vitro Study and Literature Review." European Journal of General Dentistry 10, no. 01 (2021): 044–49. http://dx.doi.org/10.1055/s-0041-1732780.

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Abstract Objective This article evaluates the fracture resistance of teeth with different endodontic access cavities and conducts literature review on the effects of truss endodontic cavity. Material and Methods Eighty human mandibular first molars were assigned randomly to four groups (n = 20); group 1: truss access cavity (TrussAC); group 2: conservative access cavity (ConsAC); group 3: traditional access cavity (TradAC); and group 4: served as control (no access). Accesses were prepared in groups 1 to 3, respectively. Endodontic treatment was performed on all accessed teeth and composite re

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32

Tian, Hui-Wen, Yuan-Qi Li, and Cheng Yu. "Testing of steel sheathed cold-formed steel trussed shear walls." Thin-Walled Structures 94 (September 2015): 280–92. http://dx.doi.org/10.1016/j.tws.2015.04.009.

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Šupić, Ivan, Matty J. Hoban, Laia Domingo Colomer, and Antonio Acín. "Self-testing and certification using trusted quantum inputs." New Journal of Physics 22, no. 7 (2020): 073006. http://dx.doi.org/10.1088/1367-2630/ab90d1.

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Bačinskas, Darius, Artūras Kilikevičius, and Paulius Ragauskas. "Dynamic Testing of Railway Truss-Bridge." Solid State Phenomena 220-221 (January 2015): 132–35. http://dx.doi.org/10.4028/www.scientific.net/ssp.220-221.132.

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The study results of the historic narrow-gage railway steel truss bridge built in the last century and still used are provided in this paper. Only one of the spans results is provided herein. Field tests with the original locomotive were carried out in order to develop an analytical model that will be used to evaluate the capacity of the bridge. Responses (dynamic displacements, accelerations, mode shapes, corresponding to the resonance frequencies and modal damping values) for the construction of the bridge were found. Studies have shown that the bridge meets the requirements and has enough r

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Siekierski, Wojciech. "Analysis of gusset plate of contemporary bridge truss girder." Baltic Journal of Road and Bridge Engineering 11, no. 3 (2016): 188–96. http://dx.doi.org/10.3846/bjrbe.2016.22.

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Trussed structures in modern bridge building usually have “W” bracing. Structural joints are often based on application of gusset plates. Experimental tests of stress distribution in such gusset plates are rather sparse. Lab testing of scaled bridge truss girder was carried out in Poznań University of Technology in Poznań. Investigation into stress distribution in gusseted joint was carried out. Test results were put against results obtained from analyses of two finite element models: beam-element model and shell-element model. Normal stress and Huber-Mises equivalent stress distributions with

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Simpson, Joanna C., Hannah Sutton, and Michael PW Grocott. "Cardiopulmonary Exercise Testing — A Survey of Current Use in England." Journal of the Intensive Care Society 10, no. 4 (2009): 275–78. http://dx.doi.org/10.1177/175114370901000412.

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Cardiopulmonary exercise testing (CPET) is an objective method of evaluating integrated cardiopulmonary function. Increasingly, it is being used for perioperative risk assessment. This survey was performed between October and December 2008 to identify where and how CPET is being used for perioperative risk assessment in England. Direct telephone contact was made with the Department of Anaesthesia in 154/173 (89%) of NHS Trusts in England in order to ascertain the availability of a CPET service. One hundred and fifteen (66%) Trusts confirmed whether or not they have a CPET service −30 (17%) Tru

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CHEN, Xiao-Feng. "The Formal Analysis and Testing of Trusted Platform Module." Chinese Journal of Computers 32, no. 4 (2009): 646–53. http://dx.doi.org/10.3724/sp.j.1016.2009.00646.

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LI, Hao, Hao HU, and Xiao-Feng CHEN. "Research on Compliant Testing Method of Trusted Cryptography Module." Chinese Journal of Computers 32, no. 4 (2009): 654–63. http://dx.doi.org/10.3724/sp.j.1016.2009.00654.

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McCready, Elin, and Grégoire Winterstein. "Testing Epistemic Injustice." Investigationes Linguisticae 41 (December 11, 2019): 86–104. http://dx.doi.org/10.14746/il.2018.41.7.

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This work builds on the trivial observation that everyone is not trusted equally. One’s gender, ethnic group, occupation etc. will affect how one’s information is believed and interpreted by others. We begin by reviewing past approaches to reliability and epistemic injustice, and the factors which affect how one’s reliability is evaluated by others in discourse. We then discuss recent experimental results which show that the linguistic manipulation of gender seems to affect the strategies with which the source’s reliability is evaluated. We argue that masculine sources benefit from more charit

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40

Pirmagomedov, R. "APPROACHING TRUSTED TESTING OF NETWORKS WITH THE USE OF PROBES." Telecom IT 7, no. 1 (2019): 52–59. http://dx.doi.org/10.31854/2307-1303-2019-7-1-52-59.

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This paper presents a system-level architecture and signaling procedures of the system enabling trusted testing of telecommunication networks utilizing probes. The described system relies on the ongoing work of Study Group 11 at the International Telecommunication Union. The paper also includes testing profiles description, results storing, and users’ access to the results. In a nutshell the considered approach allows for the testing system to operate as a “black box” recording all required network events on the user side. The results of such testing can be further used for resolving disputes

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Lin, Ciyun, Xiangyu Zhou, and Bowen Gong. "Trusted measurement and evaluation for intelligent transportation system products: A case study for traffic signal controller." Advances in Mechanical Engineering 11, no. 3 (2019): 168781401982959. http://dx.doi.org/10.1177/1687814019829597.

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This study proposes trusted measurement and evaluation models for intelligent transportation system products to provide technological means for the transport sector and government departments to detect the compliance and availability of intelligent transportation system products and consider the market access of intelligent transportation system products. Then, this study builds a trusted testing platform based on a hardware-in-loop system to test and validate trusted measurement and evaluation models of intelligent transportation system products. Finally, a traffic signal controller is tested

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KEEL, P., G. EDWARDS, J. FLOOD, et al. "Assessing the impact of a nurse-delivered home dried blood spot service on uptake of testing for household contacts of hepatitis B-infected pregnant women across two London trusts." Epidemiology and Infection 144, no. 10 (2016): 2087–97. http://dx.doi.org/10.1017/s0950268815003325.

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SUMMARYDespite national guidance recommending testing and vaccination of household contacts of hepatitis B-infected pregnant women, provision and uptake of this is sub-optimal. The aim of this study was to evaluate the use of in-home dried blood spot (DBS) testing to increase testing and vaccination of household contacts of hepatitis B-infected pregnant women as an alternative approach to conventional primary-care follow-up. The study was conducted across two London maternity trusts (North Middlesex and Newham). All hepatitis B surface antigen-positive pregnant women identified through these t

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Thobejane, Bonolo Maggie, Beatrice D. Simo-Kengne, and John W. Muteba Mwamba. "Performance evaluation of equity unit trusts in South Africa." Managerial Finance 43, no. 3 (2017): 379–402. http://dx.doi.org/10.1108/mf-01-2016-0015.

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Purpose The purpose of this paper is to evaluate the performance of 191 equity unit trusts in an emerging market, South Africa over the period from February 2006 to January 2016, which captures different market conditions (pre-global financial crisis, crisis and recovery periods). Besides testing for managerial ability, both cross-sectional regression and the non-parametric rank correlation test are used to test whether the performance generated by unit trusts does persist. Design/methodology/approach To evaluate the managerial ability of portfolio managers, two widely used methods, the Treyno

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LU, Xi-Cheng, Gen LI, Kai LU, and Ying ZHANG. "High-Trusted-Software-Oriented Automatic Testing for Integer Overflow Bugs." Journal of Software 21, no. 2 (2010): 179–93. http://dx.doi.org/10.3724/sp.j.1001.2010.03785.

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Asher, Alex, Rahul Ghelani, George Thornton, et al. "UK perspective on the changing landscape of non-invasive cardiac testing." Open Heart 6, no. 2 (2019): e001186. http://dx.doi.org/10.1136/openhrt-2019-001186.

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ObjectiveTo document UK rates of exercise treadmill testing, functional stress testing and CT coronary angiography (CTCA). Specific aims were to determine how rates have changed in the context of changing guideline recommendations within the UK and to identify regional inequalities in the utilisation of testing modalities. Secondary objectives were to compare these trends with national data on revascularisation.Methods159 acute National Health Service trusts were served Freedom of Information (FOI) requests to provide total numbers of CTCA and functional imaging tests for each financial year f

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Thapa, Shabnam, Ruth Wong, and Steve Goodacre. "Implementation of rapid rule out of myocardial infarction using high-sensitivity troponin: cross-sectional survey of English hospitals." Emergency Medicine Journal 37, no. 4 (2020): 229–31. http://dx.doi.org/10.1136/emermed-2019-209100.

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ObjectivesRecent guidance recommended use of high-sensitivity troponin for rapid rule out of myocardial infarction (MI) in the English health service. We aimed to determine the extent of implementation of this guidance across English hospitals.MethodsThis study conducted a cross-sectional questionnaire survey of 131 English acute hospitals with over 10 000 admissions per year.ResultsWe received 125/131 responses (95%), with 110/125 (88%) reporting use of a high-sensitivity troponin assay and responses showing progressive implementation over the last 10 years. High-sensitivity troponin was repo

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Azizinamini, A. "Full scale testing of old steel truss bridge." Journal of Constructional Steel Research 58, no. 5-8 (2002): 843–58. http://dx.doi.org/10.1016/s0143-974x(01)00096-7.

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Hallauer, W. L., and S. E. Lamberson. "A LABORATORY PLANAR TRUSS FOR STRUCTURAL DYNAMICS TESTING." Experimental Techniques 13, no. 9 (1989): 24–27. http://dx.doi.org/10.1111/j.1747-1567.1989.tb01051.x.

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Williams, William. "Retrofit Bridge Rail Design and Testing for a Historic Texas Steel Truss Bridge." Transportation Research Record: Journal of the Transportation Research Board 2377, no. 1 (2013): 29–37. http://dx.doi.org/10.3141/2377-04.

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The State Loop 481 steel truss bridge over the Llano River in Junction, Texas, is classified as a historic structure. The bridge is approximately 1,423 ft long and has a railing that attaches directly to the steel truss members and does not meet the current AASHTO Test Level 2 (TL-2) strength requirements. Many supporting truss members were not adequate to resist TL-2 crash force. The purpose of this research was to design a crashworthy retrofit bridge rail that met the current AASHTO TL-2 strength requirements without overstressing the supporting truss members. The new design maintains the hi

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Helmer-Smith, Henry, Nicholas Vlachopoulos, Marc-André Dagenais, and Bradley Forbes. "Comparison of multiple monitoring techniques for the testing of a scale model timber Warren truss." FACETS 6 (January 1, 2021): 1510–33. http://dx.doi.org/10.1139/facets-2021-0001.

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This paper outlines the testing and monitoring procedure of a scale model Warren truss constructed of 2 inch × 4 inch (38 mm × 89 mm) members and bolted connections within a laboratory environment. Several forms of deflection monitoring and strain monitoring instrumentation were utilized throughout this laboratory testing phase of a longer-term research program. Instruments included: an automatic total station, linear variable differential transducers, light detection and ranging, electric strain gauges, and distributed optical fibre sensors. The distributed point load-testing regime included

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