SP-326: Durability and Sustainability of Concrete Structures (DSCS-2018)

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Modern construction is unthinkable without concrete, the world production and consumption of which is about 10 billion m3 per year. Given the steady growth of the world’s population by 2050, it is expected to double this volume, which will undoubtedly be significantly affected on energy consumption and increase global CO2 emissions.

Concrete is perhaps the most universal building material since the beginning and development of civilization. It is sufficient to recall the Great Wall of China, the palaces and temples of Ancient India, the pyramids of Ancient Egypt, the unique buildings of Romans, made with the use of lime-pozzolanic binders. Universality of concrete is defined by simplicity and convenience of its production, rather low cost, structural integrity and homogeneity, durability and a long service life under various aggressive environments.

However, the concrete image is sometimes not favorable. It is associated with greater labor intensity of construction works and dismantlement, massive structures, a large impact on the environment in connection with the s consumption of not renewable natural resources. The same perception is greatly facilitated by the fact that, according to Gigaton Throwdown Initiative, “the cement industry is responsible for about 5 to 7% of total CO2 emissions, or 2.1 Gt per year.” Indeed, when producing cement clinker about 0.9 t CO2 / t clinker are produced. Taking into account the annual increase in the production and use of Portland-based cement (more than 4.1 million tons per year) that is the main binder used in the production of concrete, this fact poses a significant threat to humanity as a whole. According to the Intergovernmental Panel on Climate Change (IPCC), actions are necessary to reduce carbon dioxide emissions because in about 30 years CO2 concentrations is expected to reach 450 ppm – a dangerous point above which irreversible climate change will occur on our planet.

Since concrete will remain the main building material in the future, it is expected that if new ways and mechanisms to reduce the environmental burden by at least 50% will be not found, it is not possible to maintain the existing level of impact.This problem is so deep and serious that there is hardly a single way to solve it. There is a need for an integrated approach, several complementary activities that provide some synergy.

Until recently, the main efforts were aimed at improving technological processes and reducing the consumption of clinker through the production of blended cements, as well as the creation of new types of binders. Active search for alternative binders has led to the development of sulfoaluminate-based cements; alkali-activated materials and geopolymers (slag, fly ash, metakaolin, etc.), efficient and fairly water-resistant magnesia cements; phosphate cements (ammonium phosphate, silicate phosphate, magnesium phosphate etc.), cements with calcium halogen-aluminate and the so called low water demand binders.

With the advent of high-performance concretes and new technologies, the possibility of a radical increase of the cement factor in conventional concrete due to the use of high-performance superplasticizers and other chemical admixtures, dramatically reducing the water consumption of the concrete mixture; active mineral additives such as micro silica, metakaolin, fly ash, finely ground granulated slag, etc., as well as a variety of inert fillers that can improve the functionality of concrete mixtures, such as fine limestone. Strictly speaking, “pozzolanic effect” and “filler effect” are easily combined and provide a certain synergy.

The potential for reducing cement consumption in concrete production is still undervalued. This is due to certain fears of decreasing the corrosion resistance of concrete and durability of reinforced concrete structures, since the great bulk of the existing standards is prescriptive and sets the minimum cement content in concrete under specific operating conditions.

Reinforced concrete structures of buildings and constructions, as a rule, initially, shall have the design strength and sufficiently long service life because their construction often requires a significant investment. The durability of these structures, however, is determined by different ageing processes and the influence of external actions, so their life will be limited. As a result, many structures need to be repaired or even replaced in fairly short time periods, resulting in additional costs and environmental impacts. Therefore, there is a need to improve the design principles of structures taking into account the parameters of durability and thus achieving a sufficiently long service life.

Development of the concept of design of structures based on their life cycle, “environmental design”, including a holistic approach that optimizes material and energy resources in the context of operating costs, allow us to completely revise our ideas about structural concrete construction.

It should be noted that many recent developments in the field of life cycle analysis (LCA) are aimed at expanding and deepening traditional approaches and creating a more complete description of the processes with the analysis of sustainable development (LCSA) to cover not only the problems associated mainly with the product (product level), but also complex problems related to the construction sector of the economy (at the sector level) or even the general economic level (economy level).

The approach to “environmental design” is based on such models and methods of design, which takes into account a set of factors of their impact on the environment, based on the concept of “full life cycle” or models of accounting for total energy consumption and integrated CO2 emission.

All of this could become a basis for the solution of the global problem – to contain the growing burden on the environment, providing a 50% reduction in CO2 emissions and energy consumption in the construction industry. Hence a special sharpness P. K. Mehta’s phrase acquires: “...the future of the cement and concrete industry will largely depend on our ability to link their growth for sustainable development...”

The above-mentioned acute and urgent problems form the basis of the agenda of the Second edition of International Workshop on “Durability and Sustainability of Concrete Structures – DSCS-2018,” held in Moscow on 6 – 7 June 2018 under the auspices of the American Concrete Institute, the International Federation on structural concrete and the International Union of experts and laboratories in the field of building materials, systems and structures. The selected papers of this major forum, which brought together more than 150 experts from almost 40 countries of the world, are collected in this ACI SP.

Document Details

Author:

Publication Year: 2018

Pages: 1192

ISBN: 9781641950220

Categories: Durability

Formats: PDF

Table of Contents

SP-326—1

Bio-Inspired, Internally Cured Cellulose Fiber Reinforced Concrete for Next Generation Infrastructure

Authors: N. Banthia, O. Onuaguluchi, and D. Cui

SP-326—2

Design Approach and Properties of a New Generation of Sustainable Structural Concretes

Authors: Harald S. Müller, Michael Haist, Michael Vogel, and Jack S. Moffatt

SP-326—3

Nano-Engineered Meta Cement-Based Materials and Durability

Authors: Surendra P. Shah and Pengkun Hou

SP-326—4

Benchmarking Accelerated Performance Test Methods with Long-Term Testing

Author: R. Doug Hooton

SP-326—5

Considerations of Sustainability in the Mixture Proportioning of Concrete for Strength and Durability

Authors: Ravindra Gettu, Radhakrishna G. Pillai, Jyotiprakash Meena, Anusha S. Basavaraj, Manu Santhanam, and B.S. Dhanya

Mineral additives and SCM; chemical admixtures

SP-326—6

Highly Durable Concrete based on Calcined Clays

Authors: Eugen Kleen and Matthias Gay

SP-326—7

Utilizing Calcined Clay to Enable Aluminum Reinforced Concrete

Author: Harald Justnes

SP-326—8

Characterization and Pore Structure of Rice Husk Ash Cementitious Materials

Authors: Ojedokun Olalekan and P.S. Mangat

SP-326—9

Influence of Synthetic Zeolite on Delayed Ettringite Formation – Preliminary Investigation

Author: Stephen O. Ekolu

SP-326—10

Lignosulfonates in Cementitious Systems Blended with Calcined Clays

Authors: Ricarda Sposito, Isabel Dürr, and Karl-Christian Thienel

SP-326—11

Modification of Mineral Additives when Treating their Suspensions in Different Cavitators

Authors: Gusev, B.V; Bondarenko, I.V.; and Olenich, D.I.

SP-326—12

A Simple Method for Identifying the Saturated-Surface-Dry State of Filler

Author: Ole Mejlhede Jensen

SP-326—13

Rheological Behaviour of Cement Pastes with Low Amounts of Polynaphthalene Sulfonate Plasticizer

Authors: Alexander Mezhov, Simon Ulka, Charles. E. Diesendruck, Youri Gendel, and Konstantin Kovler

SP-326—14

The Effect of Natural SiO2 Nanoparticles on the Performance of Portland Cement Based Materials

Authors: Konstantin Sobolev, Ismael Flores-Vivian, Rani G.K Pradoto, Marina Kozhukhova, and Vadim Potapov

SP-326—15

Hardening of Concrete with Hydrothermal Nanosilica

Authors: Vadim V. Potapov, Yuriy V. Efimenko, Alexander A. Karabtsov, and Denis S. Gorev

SP-326—16

Influence of Air Entrainment Content on Strength and Frost Resistance of Concrete

Authors: O. I. Matveeva and G. D. Fedorova

SP-326—17

Influence of Self-Healing Stimulated via Crystalline Admixtures on Chloride Penetration

Authors: Estefania Cuenca, Giacomo Cislaghi, Michael Puricelli, and Liberato Ferrara

Alkali-activated binders and concretes

SP-326—18

Alkali-Activated Natural Pozzolan/Slag Concrete: Fresh and Strength Properties

Authors: Meysam Najimi and Nader Ghafoori

SP-326—19

Effect of Pre-Conditioning on Durability Indices of Alkali-Activated Concretes

Author: Maxim Kovtun

SP-326—20

Geopolymers for Increasing a Durability for Marine Infrastructure

Author: Kinga Korniejenko

SP-326—21

Thermal Curing and Environmental Impact of Alkali-Activated Cementitious Materials

Authors: Elien Dejager, Steffen Grünewald, and Geert De Schutter

SP-326—22

Behavior of Activated Ternary Binders under Autogenous Condition

Authors: Aveline Darquennes and Farid Benboudjema

SP-326—23

Alkaline Activated Slag (AAS): Resistance to Sulfate Attack

Authors: Neusa Aparecida Munhak Beltrame, Mariana Perardt, Caroline Angulski da Luz,

José Ilo Pereira Filho, and Cláudia Bernardi Baldin

SP-326—24

Chloride Ions Penetration and Carbonation in Alkaline Activated Slag

Authors: Douglas Éverton Cadore, Lucas Ceconi Kretschmer, Carlos Eduardo de Morais Lavandoski, Caroline Angulski da Luz, Marcelo Henrique Farias de Medeiros

SP-326—25

Utilization of Steel Furnace Aggregate in Geopolymer Concrete for Wave-Breaker Application

Authors: Arnaud Castel, Mohammad Khan, Aziz Mahmood, and Stephen Foster

SP-326—26

Fly Ash-Based Geopolymer Mortars for Fire Protection

Authors: Lorenza Carabba, Gregor J. G. Gluth, Stephan M. Pirskawetz, Simone Krüger, and Maria Chiara Bignozzi

Sulphoaluminate and sulphoalumoferrite cements

SP-326—27

Chemistry Composition and Properties of Sulfated Cements

Authors: Krivoborodov, Yury R.; Samchenko, S.V.; and Kouznetsova, T.V.

SP-326—28

Calcium Sulfoaluminate and Geopolymeric Binders as Alternatives to OPC

Authors: Alessandra Mobili, Alberto Belli, Antonio Telesca, Milena Marroccoli, and Francesca Tittarelli

SP-326—29

Mechanical Performance Comparison between Sulfo-Based and Portland Concretes

Authors: Davide Sirtoli, Paolo Riva, Maurizio Marchi, and Sergio Tortelli

SP-326—30

Drying and Autogenous Shrinkage Evolution of a Blended CSA-Portland Cement Concrete

Authors: Davide Sirtoli, Pietro Lura, Maurizio Marchi, and Sergio Tortelli

SP-326—31

Corrosion-Resistant Cements Based on Sulfated Clinkers

Authors: S.V. Samchenko, O.V. Zemskova, and D.A. Zorin

SP-326—32

Rheological and Physical Performances of Mortars Manufactured with Plain and Ultrafine Fly Ashes

Authors: Luigi Coppola, Denny Coffetti, and Elena Crotti

SP-326—33

Durability of the Concrete Based on a Sulphate-Aluminate Cement

Authors: Panchenko, Alexander I.; Bazhenov, Yuri M.; and Kharchenko, Igor Ya

SP-326—34

Long-Term Behaviour of Concrete Structural Elements varying the Portland Cement-CSA Ratio

Authors: Daniele Colonna, Marianovella Leone, Maria Antonietta Aiello, Maurizio Marchi, Sergio Tortelli, and Salvatore Vendetta

SP-326—35

Performance of Calcium Sulphoaluminate Cement for Fast Concrete Repair: Real-Scale Test Results

Authors: Sergio Tortelli and Maurizio Marchi

SP-326—36

Self-Compacting Concrete (SCC) Made from Supersulfated Cements (SSC)

Authors: Jefferson T. O. Homrich, Letícia Volkweis, Julia Beatriz Milani, Guilherme Holub Camargo,

Caroline Angulski da Luz, and José Ilo Pereira Filho

Green concretes

SP-326—37

Suitability of Recycled Aggregate as a Replacement for Natural Aggregate in Construction

Authors: Deb Dulal Tripura, Shubham Raj, Sher Mohammad, and Rima Das

SP-326—38

Efficient Recycling and Reuse of Waste Concrete on a Construction Site

Authors: Daguang Han, Yupeng, Yang, Chunli Ying, Zeger Sierens, Hongbo Fan, and Jiabin Li

SP-326—39

Mechanical Properties of Concrete with Recycled Aggregate at Early Ages

Authors: Zeger Sierens and Jiabin Li

SP-326—40

Macro-Mechanical Models for Evaluation of the Elastic Modulus of Recycled Aggregate Concrete

Authors: A. Ghani Razaqpur and Gholamreza Fathifazl

SP-326—41

Short- and Long-Term Properties of Concretes with Secondary Raw Materials

Authors: Nicola Buratti, Anna Lisa Vinciguerra, Andrea Incerti, Stefania Manzi, Elisa Rambaldi,

Maria Chiara Bignozzi, and Claudio Mazzotti

SP-326—42

Permeation Properties of Recycled Concretes Containing Recovered Aggregates

Author: Stephen O. Ekolu

SP-326—43

Recycled Aggregates Effect on Concrete Mechanical Performance Subjected to High Temperatures

Authors: Jéssica Beatriz da Silva, Marco Pepe, and Romildo Dias Toledo Filho

SP-326—44

Shear Behavior of Reinforced Concrete Beams made with Recycled Concrete Aggregates

Authors: Nariman Khalil, Chelsea Tamer, and Fidel Abdo

SP-326—45

Durability of Thermal Plasters made with Recycled Materials

Author: Maurizio Nicolella

SP-326—46

New Sustainable Binders Based on Waste Valorization for Civil Engineering Applications

Authors: Anna Lisa Vinciguerra, Andrea Incerti, Nicola Buratti, Stefania Manzi, Elisa Rambaldi, Claudio Mazzotti, and Maria Chiara Bignozzi

SP-326—47

The Use of Vanadium Production Waste to Produce Alumina Cement

Authors: Kouznetsova, T.V.; Burlov, I.Y.; and Krivoborodov, Y.R.

SP-326—48

High-Effective Artificial Porous Gravel from Metallurgical Industry Waste

Authors: Huseyn Mammadov and Malik Mirzayev

SP-326—49

Experimental Study on Properties of Mortar Containing Molten Slag as Fine Aggregate

Authors: Yuto Yamanaka, Hiromi Fujiwara, Masanori Maruoka, and Ryosuke Otsuka

SP-326—50

Leaching Behaviors of Heavy Metals from Mortar in Various Types of Solutions

Authors: Shaojun Zhou, Takumi Nishiwaki, Yuko Ogawa, and Kenji Kawai

SP-326—51.

Environmentally Friendly Concretes Manufactured with CSA Cement

Authors: Luigi Coppola, Denny Coffetti, and Elena Crotti

SP-326—52

Concretes with Low Paste and Low Cement Content: Durability and Sustainability

Authors: Edgardo Becker, Patricio Corallo, Juan Domínguez, Cristian Ríos, Ismael Gea, and Javier Cañari

SP-326—53

Study of Environmentally Friendly Mortars Prepared with Recycled Concrete Aggregates and Biomass Ash

Authors: Valeria Corinaldesi, Jacopo Donnini, and Glauco Merlonetti

Nonmetallic reinforcement

SP-326—54

Durability of Structures Made of or Strengthened using Textile Reinforced Concrete

Author: Viktor Mechtcherine

SP-326—55

Testing Concept for the Investigation of the Long-Term Durability of Textile Reinforced Concrete (TRC)

Authors: Arne Spelter, Sergej Rempel, Norbert Will, and Josef Hegger

SP-326—56

GFRP-Reinforced Concrete Columns Subjected to Seismic Loads

Authors: Shamim Sheikh and Zahra Kharal

SP-326—57

GFRP Reinforced Foundation Slab Design for 15 Story Residential Building

Authors: Vladimir Kakusha, Oleg Kornev, Mikhail Kovalev, Andrey Lapshinov, and Egor Litvinov

FRC

SP-326—58

Next Generation UHPFRC for Sustainable Structural Applications

Authors: Amir Hajiesmaeili and Emmanuel Denarié

SP-326—59

Ductility Index and Durability in Fiber-Reinforced Concrete

Authors: Andrea Gorino, Alessandro P. Fantilli, Bernardino Chiaia, Davide Zampini, Alexandre Guerini, and Giovanni Volpatti

SP-326—60

Properties of Ultra-High-Strength Self-Compacting Fiber-Reinforced Concrete

Authors: Simon S. Kaprielov, Andrey V. Sheynfeld, Igor A. Chilin, and Igor M. Bezgodov

SP-326—61

Aging Behavior of High-Performance Fiber-Reinforced Concrete

Authors: Giuseppe Di Nunzio, Andrea Consiglio, Giovanni Muciaccia, and Gianpaolo Rosati

SP-326—62

Influence of Fiber Content on the Conductivity of Steel Fiber-Reinforced Concrete

Authors: Valeriy Dorf, Rostislav Krasnovskiy, Dmitriy Kapustin, Patimat Sultygova, and Nina Umnyakova

SP-326—63

Stress-Strain Behavior (SSB) of Steel Fiber Concrete

Authors: Dmitriy Kapustin, Leis Zeid Kiliani, and Rostislav Krasnovsky

SP-326—64

Post-Cracking Response of Hybrid Recycled/Industrial Steel Fiber-Reinforced Concrete

Authors: Enzo Martinelli, Carmine Lima, Marco Pepe, Antonio Caggiano, and Ciro Faella

SP-326—65

High Temperature Effect on Stress-Strain Properties of High-Strength Steel Fiber Concrete

Authors: Valery Dorf, Rostislav Krasnovsky, Dmitriy Kapustin, and Patimat Sultygova

SP-326—66

Performance of Fiber-Reinforced Concrete with Expanding Component and Glass-Polymer Composite Fiber

Authors: Vadim Solovyov, Yury Bazhenov, Vyacheslav Falikman, and Marsel Nurtdinov

SP-326—67

Enhanced Seismic Response of a Bridge Pier Strengthened with UHPFRC

Authors: Adriano Reggia, Alessandro Morbi, and Giovanni A. Plizzari

Sustainable construction

SP-326—68

Innovations and Value Engineering contribute to Sustainable Structures

Author: Milan Kalny

SP-326—69

Advanced Concrete Structures for the Sustainable and Resilient Built Environment

Authors: Petr Hajek and Ctislav Fiala

SP-326—70

Sustainability-Oriented Innovation of a Multilayered Cement-Based Roof Element

Authors: Adriana Angelotti, Sonia Leva, Giulio Zani, and Marco di Prisco

SP-326—71

Concrete vs Asphalt: Pavement and Lighting Costs in Italian Road Tunnels

Authors: Paola Di Mascio and Laura Moretti

SP-326—72

CARES Sustainable Constructional Steel Certification Scheme

Authors: Lee Brankley BP, Ayhan Tugrul Nebosh IGC, Ladin Camci, and Dave Knight

Extreme conditions

SP-326—73

Seismic Performance of Reinforced Concrete Columns from an Existing Building Constructed in 1963

Author: Hideo Araki

SP-326—74

Fire Performance of Reinforced Concrete Columns Based on Eurocode 2

Authors: Lijie Wang, Robby Caspeele, and Luc Taerwe

SP-326—75

Hydroabrasive Exposure and Concrete Resistance against Abrasion Erosion

Author: Frank Spörel

SP-326—76

TRC Sandwich Panel for Energy Retrofitting Exposed to Environmental Thermal Actions

Authors: Isabella G. Colombo, Matteo Colombo, Marco di Prisco, Graziano Salvalai, and Marta M. Sesana

SP-326—77

Reversible Creep of Building Materials under Constant and Repeated Loading

Authors: M.M. Lordkipanidze, L.I. Minkin, and N.K.Chakhvashvili

SP-326—78

Methodology of Long-Term Concrete Tests for Bending

Authors: Petr Arleninov, Sergey Krylov, and Dmitry Kuzevanov

Concrete durability aspects

SP-326—79

Forecasting Durability of Reinforced Concrete Structures under Weathering

Authors: Gusev Boris Vladimirovich and Fayvusovich Alexander Solomonovich

SP-326—80

Corrosion-Induced Cracking in Concrete Exposed to a South Africa Inland Environment

Author: Jacob Olumuyiwa Ikotun

SP-326—81

Carbonation of Mortar with Alkali-Silica Reactions

Authors: Chun-Tao Chen, Wei-Cheng Yang, and Chin-Wei Hsu

SP-326—82

Effect of Hardening Conditions on the Structure of Cement

EAuthors: katerina Potapova, Sergey Sivkov, and Ivan Korchunov

SP-326—83

The Influence of the Different Factors on the Stability of the AFt and AFm Phases

Authors: Svetlana Samchenko and Evgeny Makarov

SP-326—84

Site Air-Permeability of HPSFR and Conventional Concretes

Authors: Roberto Torrent, Marco di Prisco, Verónica Bueno, and Fabio Sibaud

SP-326—85

Influence of Negative Temperatures on Water Permeability of Concrete

Authors: Vovk Anatoly and Irina Vovk

SP-326—86

Effects of Gel-Polymerized Superabsorbent Polymers on Freeze-Thaw Resistance of Concrete

Authors: Sung-Gul Hong, Min-soo Kim, and Ju-Hyuck Moon

SP-326—87

Steam Curing of Precast Concrete Containing Limestone Filler – Evaluation of Early Age Strength

Authors: Daman K. Panesar and Duo Zhan

SP-326—88

Analytical Modelling of RC Members Subjected to Rebar Corrosion and Buckling

Authors: Fabio Di Carlo, Alberto Meda, and Zila Rinaldi

SP-326—89

Constant Chloride Flux Model to Predict Airborne-Chloride Penetration in Concrete

Author: Johanna H.M. Visser

SP-326—90

Durability of RC Structures made with Chloride-Contaminated Raw Materials

Authors: Federica Lollini, Maddalena Carsana, Matteo Gastaldi, Elena Redaelli, and Forood Torabian Isfahani

SP-326—91

Flexural Behavior of Corroded RC Beams

Authors: Giuseppe Campione, Francesco Cannella, Piero Colajanni, and Maurizio Papia

SP-326—92

An Improved Method for the Calculation of Crack Spacing and Width in RC beams

Author: Maurizio Taliano

SP-326—93

Improving of Methods of Evaluating the Crack Resistance of Concrete Structures

Authors: Nikolay N. Trekin, Emil N. Kodysh, Aleksander N. Mamin, Dmitry N. Trekin, and Justine Onana

SP-326—94

Laser Shearography Applications in Concrete Durability Studies

Authors: Amde M. Amde, Richard A. Livingston, and John W. Newman

Case studies

SP-326—95

Deterioration Survey of Structural Concrete at the Rogun Hydro after its Conservation

Authors: Vyacheslav Falikman, Komron Safarov, and Valentina Stepanova

SP-326—96

Refurbishment of a Cooling Tower in Opole, Poland

Author: Reinhard Martin

SP-326—97

Scientific Assistance of Hazardous Construction in Russian Arctic Region

Authors: Lyudmila Elshina, Vyacheslav Yarmakovskiy, Igor Kirillov, and Viktor Panteleev

SP-326—98

Preserving Concrete Thin Shells: The Case of Deitingen South Station by Heinz Isler (1968-1969)

Authors: Francesca Albani and Carlo Dusi

SP-326—99

Buildings with Open Plan Floors and Integrated Load-Bearing Structures

Authors: Viktor V. Granev, Nikolay G. Kelasiev, Emil N. Kodysh, Nikolay N. Trekin, and Ivan A. Terekhov

SP-326—100

Seismic Analysis of RC Buildings by Modeling Floor Deformability and Infill Walls

Authors: Sergio Ruggieri, Francesco Porco, Domenico Raffaele, and Giuseppina Uva

Repair and strengthening

SP-326—101

An Overview of the Design Approach to Strengthen Existing Reinforced Concrete Structures with SRG

Authors: Christian Carlonia, Francesco Ascioneb, Guido Camatac, Gianmarco de Feliced, Stefano De Santisd, Marco Lambertib, Annalisa Napolib, Roberto Realfonzob, Mattia Santandreaa, Elena Stievanine, Elvis Cescattie, and Maria Rosa Valluzzie

SP-326—102

State of the Art of Steel Reinforced Grout Applications to Strengthen Masonry Structures

Authors: Gianmarco de Felice, Stefano De Santis, Roberto Realfonzo, Annalisa Napoli, Francesco Ascione, Elena Stievanin, Elvis Cescatti, Maria Rosa Valluzzi, Christian Carloni, Mattia Santandrea, and Guido Camata

SP-326—103

Evaluation of Performance of Backfilling Mortar for Repairing Sewage Pipes

Authors: Ken Ogasawara, Hiromi Fujiwara, and Masanori Maruoka

SP-326—104

Repairing and Upgrading of a Heavy-Duty RC Slab

Authors: Pietro G. Gambarova, Francesco Lo Monte, Seyed M.S. Mousavi, Pietro L. Torregiani, and

Mattia Zecchillo

SP-326—105

Beam-Column Joints Strengthened with Steel FRP and Steel FRCM: Experimental Investigations

Authors: Annalisa Napoli and Roberto Realfonzo

SP-326—106

Experimental Evaluation of the Efficiency of FRCM-U-Wrap Joist Tech for Flexural Improvement of RC Beam

Author: Laura Anania

SP-326—107

Using Fiber-Reinforced High Performance HPFRC Micro-Concretes in Structural Restoring

Authors: Marco Bressan, Alessandro Pasqualini, and Felice Marco Liberatore

SP-326—108

Predictive Strain Debonding in RC Beams Externally Strengthened with S-FRCM

Authors: Francesco Bencardino and Mattia Nisticò

SP-326—109

Adhesion Testing Between Concrete and Reinforcement by Acoustic Emission Method

Authors: Alexandr Sagaydak, Dmitriy Zimnukhov, Sergey Krylov, Shevlyakov Konstantin, and

Vladimir Bardakov

SP-326—110

SRP/SRG Strips Bonded to Concrete Substrate: Experimental Characterization

Authors: Francesco Ascione, Marco Lamberti, Annalisa Napoli, and Roberto Realfonzo

SP-326—111

The Bond Strength of Repairing Systems Applied to Concrete Elements: Analysis of Historical Data

Authors: A. Bonati, I. Capasso, O. Coppola, E. Grasso, and L. Schiavi

SP-326—112

Marine Environmental Condition effect on FRP Sheets Durability and Bond Strength to Concrete

Authors: Amin Kashi, Ali Akbar Ramezanianpour, Faramarz Moodi, and Mohsen Kheirandish

SP-326—113

Study of Green FRCM Systems made of Lime-Based Matrix and Hemp Fibers

Authors: Jacopo Donnini and Valeria Corinaldesi

SP-326—114

Towards an Integrated Approach to Seismic and Energy Retrofitting of Existing RC Frame Buildings

Authors: Carmine Lima, Enzo Martinelli, Marco Pepe, and Ciro Faella

New or novel concretes and construction technologies

SP-326—115

Performance-Based Concrete Mixtures for Durable, Long-Life Bridges

Authors: Julie K. Buffenbarger, Mary E. Vancura, and Kevin A. MacDonald

SP-326—116

Early Structure Formation in Concrete with Water-to-Cement Ratio 0.2

Authors: Ivan Sitnikov and Vasily Sitnikov

SP-326—117

Kinetics of UHPC Strength Gain at Subfreezing Temperatures

Authors: Vasily Sitnikov and Ivan Sitnikov

SP-326—118

Evaluation of Mechanical and Durability Properties of Sulfur Concrete

Authors: Renata Kotynia, Radoslaw Walendziak, and Michal Lewandowski

SP-326—119

Production of Sustainable Concrete Materials through Innovative Uses of CO2

Authors: Caijun Shi, Bao Lu, Zhenjun Tu, and Xiaoying Pan

SP-326—120

Studies on Some Factors Affecting CO2 Mixing or CO2 Curing of Cement Concrete

Authors: Ming-Gin Lee, Yung-Chih Wang, Yu-Min Su, and Yishuo Huang

SP-326—121

Energy Selection and Consumption of Cold Region Concrete Production

Author: Satoshi Fujimoto

SP-326—122

The Influence of Mixed Cement Filler Dispersity to the Concrete Properties

Author: Olga Kononova

SP-326—123

Influence of the Emulsions to the Interface Formwork/Concrete

Authors: Laurent Libessart, Amine Lahlou, Chafika Djelal, Yannick Vanhove, and Sandrine Mateo

SP-326—124

Trusted Trusses: Assessing the Bearing Capacity of Different Typologies of Concrete Trussworks

Authors: Paola Condoleo and Roberto Felicetti

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