Ralejs Tepfers

2014

Par betona elastības moduli

Vissa egenskaper hos runda CFRP-omslutna betongpelare utsatta för tryck.

Mekaniska egenskaper hos CFRP-omslutna runda betongpelare med tryckarmering av stål under axiell tryckbelastning

2012

Concerning Concrete E-Modulus

Mätning av betongens elasticitetsmodul

2012

Befestigungstechnik, Bewehrungstechnik und...II

Fibrobetons ar lielu tērauda šķiedru tilpumu - skats nākotnē

DEVELOPMENT OF A METHOD FOR MEASURING DESTRUCTION ENERGY AND GENERATED HEAT AT FATIGUE OF CONCRETE

Betona tehnoloģija - porainība ir izšķiroša

Fibrobetons ar lielu tērauda šķiedru tilpumu. Skats nākotnē.

Future Use of High Fiber Volume in Concrete. Can fibers someday be placed in real time as a function of the design?

FIBER REINFORCED CONCRETES WITH HIGH FIBER VOLUME FRACTION – A LOOK IN FUTURE

Fiber-reinforced concretes with a high fiber volume fraction - a look in future

Tillämpningar av fiberarmerad betong med hög fibervolymhalt – utblick i framtiden. Fiktion eller framtida verklighet?

Some special features of compressed round CFRP confined concrete columns

Kā pasargāt no mitruma ārsienas ar apdari tieši uz siltumizolācijas

Utmattningsbelastad betong

Hur häva fuktskador hos hus med puts direkt på isolering

Fiber reinforced concretes with high fiber volume fraction - a look in future

2009

Some issues concerning concrete impregnation with silanes.

Betona impregnesana ar silaniem

Kolnanotuber: Fiberbetong - möjligheter och utmaningar

Properties of FRP-confined concrete columns under axial compressive loading

Värdering av byggnadsteknisk forskning och utbildning

Fibrer för betongmagar. (Fiberkompositarmering).

Stability analysis of CFRP-wrapped concrete columns strengthened with external longitudinal CFRP sheets

Teknologi in i porerna

Frågor inför impregnering av betong med silaner

Compressive behavior of CFRP-confined square concrete columns”

Investigation of different types of fibers to strengthen cement paste, mortar and concrete

Analytical modelling of plastic behaviour of uniformly FRP confined concrete members

Buvniecibas un zinatnes vertesana augstskolas

Skiedras betona. Iespejas un problemas

Investigation of the stability of reinforced concrete columns confined with external CFRP sheets

Asfaltbetona un betona kontaktvirsmu defekti un to noversana

Behavior of CFRP-confined concrete cylinders with a compressive steel reinforcement

Stability of round concrete columns confined by composite wrappings

Behaviour and capacity of CFRP-confined concrete cylinders subjected to monotonic and cyclic axial compressive load

Tests and prediction of the mechanical behavior of cylindrical concrete specimens confined by composite wrapping

Bond clause proposals for FRP bars/rods in concrete based on CEB/FIP Model Code 90. Part 1: Design bond stress for FRP reinforcing bars

Bond clause proposals for FRP-bars/rods in concrete based on CEB/FIP Model Code 90. Part 2: Design lengths and tension stiffening

Behavior of concrete cylinders confined by e carbon composite. 3. Deformability and the ultimate axial strain

Behavior of concrete cylinders confined by carbon composite. 2. Prediction of strength

Analytical modelling of the plastic behaviour of concrete under uniform confinement by FRP jacket

Tests to determine the modulus of elasticity for CFRP confined concrete columns in stage above the bearing capacity of unconfined concrete

Mechanical behavior of cylindrical conrete specimens confined by composite jacket. Prediction of strenght

Behavior of concrete cylinders confined by carbon-composite tapes and prestressed yarns

Stability and strength of reinforced concrete columns confined by tangential external CFRP wrappings

Tests to estimate the cooperation between confined concrete and column reinforcement up to compressive failure

Confined Concrete Columns Stability with Longitudinal CFRP Reinforcement

Applicability of FRP confinement to strengthen concrete columns

Deformation and Stability of CFRP-Confined Concrete Columns

Stability of CFRP-confined columns

Behaviour of concrete confined by high E-modulus carbon FRP sheets, subjected to monotonic and cyclic axial compressive load

Bond clause proposal for FRP-bars/rods in concrete based on CEB/FIP Model Code 90 with discussion of needed tests

Strengthening of Concrete Structures with Advanced Composite Materials - Prospects and problems

Confined concrete column stability investigation also using external CFRP sheet reinforcement

Vetenskapliga tidskrifter och framtida publicering

Concrete Cylinders Confined by Prestressed CFRP Filament Winding under Axial Load

Building Materials in the Light of Physics of Matter

High-strength concrete confined by high E-modulus carbon FRP sheets, subjected to monotonic and cyclic axial compressive load

The influence of sustained stress on the durability of GFRP bars embedded in concrete

Concrete Cylinders Confined by Carbon FRP Sheets, Subjected to Monotonic and Cyclic Axial Compressive Load

Bond of FRP Reinforcement in Concrete

CFRP-confined concrete column stability

Comparative Study of Models on Confinement of Concrete Cylinders with Fiber-Reinforced Polymer Composites

Experimental investigation of concrete cylinders confined by carbon FRP sheets under monotonic and cyclic axial compressive loads

Marknadskrafter förstör byggnadsingenjörutbildning

Fiberkompositer (FRP) för betongkonstruktioner

Performance assessment of FRP-confinement models, part II: Comparison of experiments and predictions.

Building Materials in the Light of Physics of Matter

Behaviour of concrete cylinders confined by carbon fiber reinforced plastic

De spruckna broarna för Tvärbanan i Stockholm

Test system for evaluation of bond properties of FRP reinforcement in concrete

Performance assessment of FRP-confinement models, part I: Comparison of experiments and predictions.

Beständighetsproblem och livslängd hos fiberkompositarmerad betong

Durability and service life prediction of GFRP for concrete reinforcement

Tests with specially made FRP reinforcement rods with intention to obtain ductile behavior

Compatibility problems for FRP and FRP reinforced concrete

Fiberarmerade polymerer (FRP) som armering i betong. Föreläsning i Göteborg 2001-03-19 vid CBI kurs på Chalmers

The performance of bond of FRP reinforcement in concrete

Writing of report

Bond of reinforcement in concrete, State of the Art report prepared by fib Task Group Bond Models, former CEB Task Group 5.2

Creep tests using hybrid composite rods for reinforcement in concrete

Byggnadsingenjörer med kunskaper behövs i räddningsteam efter jordbävningar.

Hybrid Composites with non-linear behaviour for reinforcing of concrete

FRP kompositer i betong. Föreläsning i Luleå 1999-12-01

Rotation Capacity of Concrete Beams with Ductile Hybrid CFRP+GFRP and Elastic CFRP Tensile Reinforcement

Bond of FRP Reinforcement in Concrete. A-State-of-the Art in preparation

Pull-out and tensile reinforcement splice tests with GFRP bars

Ductility of hybrid fiber composite reinforcement FRP for concrete

Fiber composites FRP as reinforcement in concrete

Pull-out and tensile reinforcement splice tests using FRP C-BARs

Ductility of hybrid fiber composite reinforcement FRP for concrete

Ductility of hybrid fiber composite reinforcement FRP for concrete

Matematiken i utbildningen vid Sektion V, CTH. En utredning utförd på uppdrag av Sektion V, CTH.

Byggnadstekniskt brandskydd

Ductility tests with hybrid fiber composite reinforcement FRP for concrete

Ductility of non-metallic hybrid fiber composite for concrete

Byggnadsmaterial. Allmän kurs

Mekaniskt och kemiskt aktiverade bindemedel för högpresterande betong

Betonghandbok. Material. Kapitel 7, Armering.

Hybrid fiber composites as non-metallic reinforcement in concrete

New materials, concrete technology, structures

Hybrid fiber composites as non-metallic reinforcement in concrete

Fiber Composites as Non-metallic Reinforcement in Concrete. Seminar March 15-16, 1993 at Chalmers University of Technology

Use of non-metallic reinforcement in concrete.

Experience from testing of concrete reinforced with carbon fiber and aramid fiber strands

1992

Ring test for evaluation of bond properties of reinforcing bars

Fatigue splitting strength and compressive strength of concrete reinforced with fibers

Bond and interface problems - Past and present achievements. Workshop devoted to "Steel-concrete interaction and related effects"

Byggnadstekniskt brandskydd

Anchorage of staggered reinforcement

Fatigue of high strength concrete

Overlap splices for ribbed bars for free use in a concrete structure

Vår miljö - vad vet vi om den?

Kollektivtrafiken i Göteborg

Datasystem i vardagslivet

Kontrollerande och testande myndigheter

Medlemsvärvningskampanj 1988

Miljöpåverkan och temperaturen

Vad gör vi tekniker egentligen?

Hur hanterar vi våra resurser?

Tekniska Samfundet - energin

Några åtgärder inom Tekniska Samfundet

Anchorage Zones of Prestressed Concrete Members. CEB Bulletin d´information No 181 prepared by Task Group VI/1 "Anchorage Zones"

Gärna Högteknologi - men tänk även alternativt

Ingenjörsutbildning vid tekniska högskolor

Teknik vertikalt och teknik tvärs

Förändringar i Tekniska Samfundet

Ny avdelning och ny inriktning på avdelning

Tekniska Samfundet vid vägskäl?

En bit av informationssamhället

Forskning och forskningsorganisation

Buvvietu veidni betonam Zviedrija

Anchorage zones in reinforced and prestressed concrete structures - new Model Code concepts.

Bond between reinforcement and concrete in vacuum treated zones

Damaged industrial floors with hard concrete surface - a fatigue problem

Bond between reinforcement and concrete in vacuum treated zones

Subsea repair of concrete and the effect of fouling

Subsea repair of concrete and the effect of fouling

Absorption of energy in fatigue loading of plain concrete

Lapped Tensile Reinforcement Splices

Tensile lap splices with confining reinforcement

Bond of bundled prestressing steel strands

Bond action and bond behaviour of reinforcement. State of the art report.

Jaunas metodes viengimenu eku celtnieciba Zviedrija

Fatigue of plain concrete subjected to stress reversals

Bond stress along lapped reinforcing bars

Fatigue strength of plain, ordinary and lightweight concrete

Cracking of concrete cover along anchored deformed reinforcing bars

Jaunas metodes betona eku celtnieciba

Tensile fatigue strength of plain concrete

Neue Verfahren für die Ausführung von Wohnbauten aus Beton

En undersökning av betongens utmattningshållfasthet

Stållina använd som konstruktiv armering. Projekteringsanvisning. Tillhörande handling till Statens Planverk Nr 300/77

Utmattning vid förankring av kamstål i betong

Astudy of the applicability to the fatigue of concrete of the Palmgren-Miner partial damage hypothesis

A theory of bond applied to overlapped tensile reinforcement splices for deformed bars

Methode zur Bestimmung der Korneigenfestigkeit von Leichtzuschlagstoffen durch hydraulischen Druck

Saistes teorija stiepto stiegru parsegumiem

Concrete subjected to pulsating load and pulsating deformation of different wave forms

Intryck från 7:e internationella betongvarukongressen BIBM - 72, Barcelona 13-19 maj 1972.

Brobyggnad

Försök med Bs 70-armering

Hållfasthetsteknisk undersökning av systemet Bjerkingbyglar

Buntad armering

Determination of the coefficient of capillary flow for steam-cured light-weight concrete.