Sessions and Events

Sessions & Events 

 

Convention Highlights

March 31, 2020


6:00 AM - 6:45 AM

Morning yoga classes will be offered for those who are interested in putting a little balance into a hectic week. Led by yoga teacher Kimberly Kayler, this intro to yoga class requires no experience. Registration is not required, and a limited quantity of yoga mats will be provided.
* Please consult your physician to determine if you are fit for this type of activity.


7:00 AM - 10:00 AM

Coffee, tea, and pastries will be available for guests each morning (Sunday – Wednesday). You must be a registered guest to attend.


8:30 AM - 10:30 AM

Moderators: Juan Murcia-Delso, Giovanni A Plizzari

Continuous developments in concrete technology and reinforcement materials have been made in recent years to improve the structural performance, durability and sustainability of reinforced concrete. The use of alternative types of concrete and/or reinforcement may affect the bond characteristics of reinforcing bars and, consequently, their development and lap-splice requirements. This session will present recent advances in the characterization of bond and development in new types of concrete and reinforcement, which may include (but are not limited to) ultra-high-performance concrete, fiber-reinforced concrete, self-compacting concrete, high-strength steel, corrosion-resistant reinforcement, and shape-memory alloy bars.
Learning Objectives:
(1) Discuss the bond performance of reinforcing bars embedded in non-conventional concretes;
(2) Review the adequacy of existing development and lap-splice length provisions for non-conventional concretes;
(3) Recognize the effect of steel fibers on reinforcement bond;
(4) Discuss bond performance under elevated temperatures.


8:30 AM - 10:30 AM

Moderator: Jan Vosahlik


8:30 AM - 10:30 AM

Moderator: Vincent Lapointe

This session intends to present case studies or projects where innovative techniques were used to assess the condition of concrete structures and plan rehabilitation strategies. The techniques include nondestructive testing, corrosion measurements, modeling, and monitoring. The session is meant for engineers and practitioners.
Learning Objectives:
(1) Discuss advanced modeling techniques in the context of rehabilitation;
(2) Describe advanced monitoring systems in the context of rehabilitation;
(3) Summarize advanced corrosion mitigation approaches;
(4) Review case studies showing how and where they have been used and combined (synergy).


8:30 AM - 9:30 AM

Moderator: Jan R Prusinski

Soil cement is often the least-cost alternative when constructing road bases/subgrades and erosion protection for embankments. But are these projects resilient? Do they still perform over time? This session will examine both initial construction and performance aspects of several road and water resources soil cement projects.
Learning Objectives:
(1) Describe how soil cement technology can be used in both road and water resources projects;
(2) Summarize how soil cement embankments are constructed;
(3) Discuss how road and embankment projects have performed in-service;
(4) Demonstrate how soil cement can be economical, sustainable and resilient.


8:45 AM - 11:45 AM

$20.00

Register to attend a technical tour of the Janney Technical Center (JTC), the new 70,000-square-foot state-of-the-art testing and applied research facility of Wiss, Janney, Elstner Associates (WJE). The technical tour will provide learning opportunities for attendees including innovations in the concrete industry and forensic techniques used to solve the most technically challenging problems related to structures, construction materials, and manufactured components. The tour of the facility will include technical demonstrations in JTC’s structural testing, chemistry, petrography, metallurgy/applied mechanics, concrete and corrosion laboratories. Please wear closed-toe shoes for the tour; safety glasses will be provided.


10:00 AM - 5:00 PM

Stop by the Guest Lounge to relax and meet other ACI guests. Guests can enjoy the Guest Lounge Sunday-Wednesday.


11:00 AM - 1:00 PM

Moderators: Juan Murcia-Delso, Giovanni Metelli

Continuous developments in concrete technology and reinforcement materials have been made in recent years to improve the structural performance, durability and sustainability of reinforced concrete. The use of alternative types of concrete and/or reinforcement may affect the bond characteristics of reinforcing bars and, consequently, their development and lap-splice requirements. This session will present recent advances in the characterization of bond and development in new types of concrete and reinforcement, which may include (but are not limited to) ultra-high-performance concrete, fiber-reinforced concrete, self-compacting concrete, high-strength steel, corrosion-resistant reinforcement, and shape-memory alloy bars.
Learning Objectives:
(1) Recognize the bond performance of non-conventional reinforcement;
(2) Discuss the adequacy of existing development and lap-splice length provisions for non-conventional reinforcement;
(3) Identify open issues on bond of reinforcement in new and existing structures;
(4) Explain the relevance of bond of reinforcement in structural performance and design.


11:00 AM - 1:00 PM

Moderator: Jacob L Borgerson

This session is intended to introduce individuals to the historical aspects of concrete and concrete construction practices. Attendees will gain a greater understanding and appreciation of the development of the concrete industry.
Learning Objectives:
(1) State the origins of portland cement use in concrete;
(2) Describe the history of concrete pavements;
(3) Identify the historical relevance of high-strength concrete;
(4) Summarize the history of concrete fireproofing.


11:00 AM - 1:00 PM

Moderator: Jan Vosahlik


11:30 AM - 1:30 PM

$62.00

Join other ACI attendees and contractors for the Contractors’ Day Lunch. Enjoy a special presentation by Jon Feld. During this presentation, attendees will receive a thorough understanding of mass concrete in bridges, buildings and other modern facilities and infrastructure. The fundamentals of mass concrete thermal technologies will be discussed, including the purposes of limiting maximum concrete temperatures and temperature difference limits, current industry practice, specification requirements, and resources available to contractors. Furthermore, ins and outs of thermal control plans, such as the use of surface insulation, cooling pipes, and engineered temperature difference limits will be addressed, as well as appropriate concrete mixture proportioning strategies for mass concrete placements.


12:00 PM - 1:00 PM

Moderator: Yaghoob Farnam

Alternative binders have received attentions in recent years to provide sustainable cementitious binders for construction with lesser CO2 emissions and better/equivalent service lifespans. Some are alkali activated cements (AAC), calcium Sulfoaluminate cements (CSC), carbonated cements (CC), calcium aluminate cements (CAC), and magnesium phosphate cements (MPC). This mini-session sponsored by ACI 242 Committee will present the recent advances in alterative cements for construction. The objective of the mini-session is to improve students/engineers/scientists’ knowledge in concrete industry by providing current knowledge, recent advances, and potential applications of alternative cements that can be used in construction.
(1) Recognize concrete sustainability and durability advantages of alternative cements;
(2) Summarize current knowledge of alternative cements technologies suitable for construction;
(3) Identify potential applications of alternative cements in the concrete industry;
(4) Review recent advances in the science and technologies of alternative cements.


1:30 PM - 3:30 PM

Moderator: Narayanan Neithalath

3-D printing of concrete is becoming an attractive option for construction because of its several unique advantages. These sessions are intended to let researchers, engineers, designers, constructors/contractors and students obtain a ringside view of the global advances happening in this rapidly advancing field. The sessions will provide new information on 3-D printable binders, their characteristics, processing techniques, and test methods for 3-D printed components. Details on recent large-scale 3-D printers, efforts on developing protocols, and aspects of importance related to material design and specifications will be covered.
Learning Objectives:
(1) To provide an overview of the recent global advances in 3-D printing of cementitious materials;
(2) To elucidate the fundamental material requirements (rheological, setting, stability) that enable efficient 3-D printing and means of designing such mixtures;
(3) To understand the fundamental materials-processing linkages for efficient process design (printer characteristics, printing speed etc.);
(4) To understand shape and geometry optimization, and consequent economy and sustainability in construction through the use of 3-D printed concrete.


1:30 PM - 3:30 PM

Moderator: Theodore A Mize

Titled in the “Windy City” theme, the recently published ACI 439.5R-18 will be the basis of the session. Engineers and contractors will learn about the material properties, manufacturing, fabrication, and use of wire and welded wire reinforcement (WWR). ACI provisions for wire and WWR will be discussed. Included will be the various documents and references that provide for the wide range of applications in different types of reinforced concrete such as foundations, slabs, beams, columns, and walls. Examples of structural design details will be presented, including product-specific methods of communicating the designer's intent on structural drawings. Detailing of reinforcing steel placing drawings will also be discussed. Examples will include one-way slabs, two-way slabs, flat plates, beams, columns, walls, and tilt-up panels.
Learning Objectives:
(1) Explain the various ACI provisions for the products, how to design with the materials, and how to properly detail the various materials on construction drawings for a wide range of applications;
(2) Discuss the history of the product, material properties of wire and WWR such as raw material chemistry, testing requirements, and mechanical properties such as stress/strain characteristics and bond mechanisms;
(3) Recognize how to most effectively utilize the latest technological advancements in manufacturing techniques, fabrication methods, and the various material strengths available as they apply to the different parts of reinforced concrete structures;
(4) Identify lap splice provisions within the ACI 318 Building Code and how to efficiently utilize several variations of WWR configuration.


1:30 PM - 2:30 PM

Moderator: Rachele M Pennington

The session will focus on the contribution that producers, design professionals, and contractors have made to the advancement of concrete construction. The session will feature speakers from the Chicago area who can provide insights on how these contributions happened.
Learning Objectives:
(1) Describe architectural concrete, concrete mix designs, and durability of concrete structures;
(2) Apply design features that can provide life safety when constructing with concrete;
(3) Incorporate architectural features and decorative treatments in concrete construction designs;
(4) Recognize the importance of history in considering new techniques in concrete construction.


1:30 PM - 3:30 PM

Moderators: Jovan Tatar, Natassia Brenkus

The Open Topic Session is a forum for presenting recent technical information that could not be scheduled into other convention sessions.


3:00 PM - 4:00 PM

Moderator: Lloyd J Keller

Objective is to raise a level of awareness amongst the attendees of ACI to the problems related to adequate constructability. By sharing experiences of constructible barriers and their solutions, the six speakers will provide the attendees with a perspective into real world construction collaboration and problem solving.
Learning Objectives:
(1) Explain performance characteristics of long chain polycarboxylate admixtures and their abilities to control workability and setting to accommodate placing in projects where time constraints limit the ability to adhere to traditional limits;
(2) Develop and become aware of techniques for detailing reinforcing and formwork to reduce the challenges of steel placement and concrete consolidation;
(3) Identify conflicts that are typically written into specifications that make building the elements impractical and prone to defects;
(4) Recognize tools to utilize when planning for a high-rise concrete structure placement utilizing pump supply to minimize the workability losses.


3:00 PM - 4:00 PM

Moderator: Peter C Taylor

The aim of the session is to present cutting-edge information on the use of non-traditional materials for pavement construction.
Learning Objectives:
(1) List innovative materials available for concrete pavement construction;
(2) Discuss advantages and challenges associated with each of the materials discussed;
(3) Access additional resources to help make wise decisions when using such materials;
(4) Design mixtures using the materials discussed.


4:00 PM - 6:00 PM

Moderators: Narayanan Neithalath, Viktor Mechtcherine

3-D printing of concrete is becoming an attractive option for construction because of its several unique advantages. These sessions are intended to let researchers, engineers, designers, constructors/contractors and students obtain a ringside view of the global advances happening in this rapidly advancing field. The sessions will provide new information on 3-D printable binders, their characteristics, processing techniques, and test methods for 3-D printed components. Details on recent large-scale 3-D printers, efforts on developing protocols, and aspects of importance related to material design and specifications will be covered.
Learning Objectives:
(1) To provide an overview of the recent global advances in 3-D printing of cementitious materials;
(2) To elucidate the fundamental material requirements (rheological, setting, stability) that enable efficient 3-D printing and means of designing such mixtures;
(3) To understand the fundamental materials-processing linkages for efficient process design (printer characteristics, printing speed etc.);
(4) To understand shape and geometry optimization, and consequent economy and sustainability in construction through the use of 3-D printed concrete.


4:00 PM - 6:00 PM

Moderators: Hani H Nassif, Andrzej S Nowak

The session is organized as an overview and includes (i) State-of-the-art of research and its applications to enhance current design and evaluation methods of concrete bridge decks, (ii) comparison of state-of-practice for various design and evaluation methodologies used by practitioners and consultants following ACI, ASCE, and AASHTO bridge communities, and (v) the recently completed projects related to the implementation of innovative materials used in bridge decks.
The attendees’ will be presented with knowledge on present and future design philosophies and construction materials through the organized sessions presented by prominent researchers, practitioners, and users of various design codes and specifications.
Learning Objectives:
(1) Discuss established design methodologies and materials for concrete bridge decks;
(2) Review emerging design approaches and recent development in design practices, code standards, and related applications will be presented;
(3) Compare established and innovative new materials used and planned for future application on concrete decks such as fibers, FRP rebars, full-depth precast decks, Crack-Free Concrete, steel-free concrete decks, etc.;
(4) Discuss use of innovative materials such as Fiber Reinforced Concrete, FRP rebars, High Strength steel rebars, corrosions resisting steel, etc.


4:00 PM - 6:00 PM

Moderators: Jovan Tatar, Natassia Brenkus

The Open Topic Session is a forum for presenting recent technical information that could not be scheduled into other convention sessions.


5:30 PM - 6:30 PM

Faculty members and students are invited to attend this informal reception for an opportunity to exchange ideas and network. Light hors d’oeuvres and a cash bar will be available.


6:00 PM - 8:30 PM

Join ACI attendees and guests for an evening of networking, entertainment, and great food during the Concrete Mixer, held at Joe’s Live & Bub City. An assortment of food and a hosted bar will be available. Transportation will depart from the Hyatt Regency O’Hare Chicago Hotel beginning at 5:45pm. The last bus will depart from Joe’s Live & Bub City at 9:00pm. After 9:00pm, attendees will be on their own for transportation.



Upper Level Sponsors

Baker
BASF
Euclid Chemical
Forney, L.P.
Forta Corporation
GCP
LehighHanson
WJE