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Article | 28-August-2018

RESEARCH ON THE NEW CFRP PRESTRESSING SYSTEM FOR STRENGTHENING OF RC STRUCTURES

The paper presents a research on the new Polish CFRP prestressing system for strengthening of reinforced concrete structures. The system is called Neoxe Prestressing System II (NPS II). NPS II consists of two main elements: a special steel anchorages mounted on both ends of a single CFRP strip and a tensioning device. The anchorage is made of two steel plates. CFRP strip end is fixed between steel plates through bonding by epoxy resin and gripping by bolts. The tensioning device compatible with

Bartosz PIĄTEK, Tomasz SIWOWSKI

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 3, 81–87

Article | 24-June-2021

FINITE-ELEMENT ANALYSIS OF STRENGTHENING THE SUBGRADE ON THE BASIS OF BORING AND MIXING TECHNOLOGY

One of the effective techniques to strengthen the subgrade is boring and mixing technology, which is based on the immersion of vertical elements – piles into the subgrade. This method of strengthening significantly affects the stress state of the track superstructure. Two options of the placement of strengthening elements are examined in this paper. To determine the influence of position of strengthening elements on the stress state of the track superstructure, appropriate finite-element

Oleksii TIUTKIN, Larysa NEDUZHA, Jan KALIVODA

Transport Problems, Volume 16 , ISSUE 2, 189–197

Article | 09-August-2018

TEMPERATURE IN THE ADHESIVE LAYER OF EXTERNALLY BONDED COMPOSITE REINFORCEMENT HEATED BY THE SUN

The paper describes the measurements of temperature growth in different types of the epoxy adhesive bonding external strengthening. A total of six types of models were tested: CFRP sheet and strip, two SRP tapes adhered to the concrete sample, CFRP strip and SRP tape on a timber sample. Changes in temperature were investigated during the summer in the southern Poland. The maximum measured temperatures for all models exceeded regarded as safe temperature limit of 45°C. The highest recorded

Rafał Krzywoń

Architecture, Civil Engineering, Environment, Volume 9 , ISSUE 1, 79–84

Article | 05-September-2020

USE OF SURFACE WORKING FOR IMPROVING THE WORKING LIFE OF PISTON VALVES OF COMBUSTION ENGINES

This paper deals with the issue of operating damage of combustion engine valves. It presents an innovative way and construction of a tool for strengthening piston engine valves by way of surface working. It presents the concept of machines for comprehensive surface working and for profiling the faces of combustion engine valves. It also includes the discussion of the methodology of working.

Krzysztof FILIPOWICZ, Mariusz KUCZAJ, Stanisław MIKUŁA

Transport Problems, Volume 15 , ISSUE 3, 107–116

Article | 07-May-2018

Research on Information Service of Home Care in Internet Plus Era

In the “Internet plus” era, information technology will be applied to the community home-based care services is a new initiative to create wisdom of the pension industry. With the full use of the Internet and large data, the new model of home care for the elderly needs the active participation of the social organizations (enterprises), and the correct guidance of the government. Strengthening the top-level design of government, establishing the information standard and enhancing the

Jie Zhao

International Journal of Advanced Network, Monitoring and Controls, Volume 3 , ISSUE 2, 113–117

Research Article | 27-February-2017

A critical examination of the youth foyer model for alleviating homelessness: Strengthening a promising evidence base

Iris Levin, Joseph Borlagdan, Shelley Mallett, Jehonathan Ben

Evidence Base, Volume 2015 , ISSUE 4, 1–16

Research Article | 30-April-2018

A new HGA-FLVQ model for Mycobacterium Tuberculosis detection

Abstract This research aims at develop an MTB detection model from the FLVQ neural network to HGA-FLVQ model. In this research, the FLVQ method was developed through strengthening its initiation, in which the first cluster centers used as FLVQ input were optimized first by HGA. The results show that sensitivity and specificity of the HGA-FLVQ model reach 96.30 and 95.65%, whereas the sensitivity of an FLVQ method is 70.83%, and the sensitivity of an LVQ method is 87.50%. The specificity of an

N. Charibaldi, A. Harjoko, B. Hisyam

International Journal on Smart Sensing and Intelligent Systems, Volume 11 , ISSUE 1, 1–13

Research Article | 15-February-2020

The Three-Dimensional Temperature Indication for the Reactor Core by Using Multiple Thermocouples

containment building and the cooling of the core meltdown in the reactor. Confirming the progressive state of diagnosis and the cooling of the reactor core when the serious accident occurs is a very important factor in the development of response strategies after the accident. Japan has taken various measures to deal with accidents after the nuclear accident of Fukushima. Strengthening the reliability of the instrumentation system is also included in the counterstrategies. Therefore, this paper presents

Song Hae Ye, Sooill Lee, Heetaek Lim, Joon Lyou, Sungjin Kim

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Article | 24-June-2021

MATERIALS USED IN THE COMBAT AVIATION CONSTRUCTION

In this work, an attempt was made to apply laser surface technology for enhancement of the properties and strengthening the material with addition of ceramic phases in the form of silicon and tungsten carbide particles, leading to a remarkable increase in hardness. Thanks to rapid cooling caused by heat being transferred to the cold substrate, an advantageous, fine-grained structure develops, showing higher gradient morphology; furthermore, the surface layers obtained with laser alloying offer

Jarosław KONIECZNY, Krzysztof LABISZ

Transport Problems, Volume 16 , ISSUE 2, 5–18

Article | 03-July-2017

THE APPLICATION OF MULTIVARIATE STATISTICAL ANALYSIS TO THE VALUATION OF DURABLE GOODS BRANDS

Nowadays, due to changes in the market and new trends in consumer behaviours, intangible assets, such as brand, have gained fundamental importance. The more frequent conviction that a product with a well-known name is better than other products contributes to the case of replacing the price of a product by its brand name as the predominant factor in the purchase decision process. Thus, for many companies the strengthening of brand equity has become one of the key elements

Marta Dziechciarz-Duda, Anna Król

Statistics in Transition New Series, Volume 18 , ISSUE 1, 75–90

Article | 09-August-2018

BUILDING HERITAGE IN THE ALTO DOURO WINE REGION, PORTUGAL – TABIQUE WALL NAILS CHARACTERIZATION

. In this article, and for the first time, a nail geometrical and material characterization is presented and discussed. The results highlight a wide nail dimensional variety, being iron the main chemical element identified. Beyond that, this study demonstrates that those nails should no longer be maintained in service and that new nails should be applied in future conservation and strengthening works. Finally, some guidelines regarding tabique rehabilitation and nail rusting prevention are

Rui Cardoso, Jorge Pinto, João Carlos Lanzinha

Architecture, Civil Engineering, Environment, Volume 9 , ISSUE 1, 59–70

Article | 30-September-2021

MODELING CHINA'S DRY PORT COOPERATION IN SUPPLY CHAINS

movement of freight flows within the State's territory, due to a faster modal shift, increased accessibility of transport, development of auxiliary functions, and construction of integrated transport hubs. Dry ports deal with the mentioned tasks; however, with the increase in the number of dry ports in the PRC, the issue of optimizing the interaction between dry ports has become urgent. The purpose of this research is to scientifically substantiate the need for strengthening technological

Egor PLOTNIKOV, Aleksandr RAKHMANGULOV

Transport Problems, Volume 16 , ISSUE 3, 89–103

Article | 31-December-2020

ESTIMATED ASSESSMENT OF THE POTENTIAL IMPACT OF DRIVERASSISTANCE SYSTEMS USED IN AUTOMATED VEHICLES ON THE LEVEL OF ROAD SAFETY IN POLAND

Strengthening road safety in the face of the enormous development of the automotive in recent decades is crucial. The safety benefits of automated vehicles are paramount. Automated vehicles have the potential to remove human error in road traffic, which will help protect drivers and passengers, as well as pedestrians and bicyclists. The carried-out forecasts are pioneering for Polish road traffic conditions. In England, studies have been carried out to determine the estimated impact of

Małgorzata PĘDZIERSKA, Piotr PAWLAK, Mikołaj KRUSZEWSKI, Samantha JAMSON

Transport Problems, Volume 15 , ISSUE 4, Part 2, 325–338

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