Moderator: Mr Andres Matos-Ortiz, PE
This session aims to showcase recent advancements in the design, use and understanding of pervious concrete.
Learning Objectives:
(1) Understand the design of reinforcement for pervious concrete mixes;
(2) Expand the knowledge and assess new successful uses of pervious concrete
(3) Inform the upcoming changes from the NRMCA Pervious Concrete Certification and its transfer to ACI;
(4)
Moderator: Dr Nathan A. Tregger
This mini-session will cover real case studies in how workability is critical for different applications. Each case will cover how workability can affect the overall success of an application as well as ways to design and quality control the process and application.
Learning Objectives:
(1) Discuss how workability is critical for consolidation;
(2) Discuss how workability is critical for low-carbon mixes;
(3) Discuss how workability is critical for pumping;
(4) Discuss how workability is critical for drilled shafts.
Moderators: Dr Sureka Sumanasooriya, Mr John C Glumb
The concrete industry has significant number of stakeholders. Therefore, this session is intended to bring key stakeholders together and hear directly from them about what is needed to reach their carbon-reduction goals, some of the challenges they are facing, how to facilitate sector partnerships, beyond simply knowing about concrete PCRs, LCAs, and EPDs.
Learning Objectives:
(1) Identify key stakeholders in carbon-reduction initiatives and analyze their specific contributions to achieving carbon-reduction goals;
(2) Examine new national and international legislation, regulations, and guides influencing carbon-reduction, and evaluate their impact on various stakeholders;
(3) Propose strategies to facilitate sector partnerships that accelerate carbon-reduction among stakeholders;
(4) Identify common challenges stakeholders face in carbon-reduction initiatives and propose strategies to address reluctance in carbon-reduction.
Moderator: Mr Matthew E Carter
This will be a panel discussion of experts in our industry including professors, field technicians, specifiers, manufacturers sales and technical representatives. The panel will answer questions on how we are doing as an industry, training the next generation of employees. What we are doing well as an industry and what we need to improve. The panel will discuss what makes technical training effective from their perspective and experience. What specific gaps are we seeing in industry? Are there new tools available we should be using? How do we measure the success of technical training?
Learning Objectives:
(1) To allow the attendees to see what training is working in the industry;
(2) Learn how the attendee can provide and obtain effective technical training for themselves and/or their employees;
(3) How to continue to develop qualified workers in the concrete and concrete repair industry;
(4) Explore new training programs and tools available in the industry.
Moderators: Mr Nicholas R Triandafilou, Dr Ali Abu-Yosef
This session will showcase the new ACI PRC-ITG-11-24 "Statistical Techniques for Assessment of Existing Concrete Structures". Its target audience includes engineers, technicians, contractors, owners, architects, and anyone planning condition assessments and evaluations of existing concrete structures.
Learning Objectives:
(1) Recognize the need for, and effective implementation of statistically based evaluation.;
(2) Apply available statistical techniques to quantify the condition and reliability of existing concrete structures;
(3) Evaluate the relative merits of repair options using results from statistical assessments;
(4) Review the proposed activities of a new ACI Committee tasked with maintaining this document and further pursuing this initiative.
Moderators: Dr Andrew J Foden, Dr Andrzej S Nowak
Vessel collision is an important consideration in the design of bridges over navigational waters. This topic became particularly visible after the recent fatal accident in Baltimore. There is a need to revisit the vulnerability of bridges with regard to vessel collision. The proposed session will include presentations on statistics of accidents involving vessels (ships and drifting barges), sensitivity of structural components of bridges, in particular piers and abutments. Special consideration is required by a simultaneous occurrence of a combination of scour and collision. An extreme scour and extreme vessel collision is unlikely. Therefore, there is a need to collect the available information about occurrences of load combinations, in region and elsewhere to determine the type of vessel, weather conditions, water level (flood?) and other factors. The collision forces depend on the vessel (ship under power, drifting ship or barge).
Learning Objectives:
Learning Objectives:
(1) Explain the principles and procedures for designing bridges to withstand vessel impacts;
(2) Apply statistical analysis methods to support vessel impact design decisions;
(3) Identify potential updates or revisions needed in the AASHTO LRFD vessel collision design provisions;
(4) Evaluate available data and resources to determine appropriate vessel collision loads and associated risks.
Moderators: Mr John D Fauth , Ms Ann Harrer
Gain an understanding of the updated and revised contents in the renewed ACI PRC-515.2 Guide to Selecting Protective Treatments for Concrete. Discussion will include an overview of the unique history of this document as well as case study in how to use the guide.
Learning Objectives:
(1) Report on the history of ACI PRC 515.2;
(2) Summarize updates and changes to the latest edition of ACI PRC 515.2;
(3) Explain how to effectively use ACI PRC 515.2;
(4) Discuss various deleterious materials, their effect on concrete, and various protection systems to mitigate potential damage.
Moderator: Mrs Denesha Price
First and second place winners of the Excellence in Concrete Construction Awards program will give a presentation on their winning project.
Learning Objectives:
(1) Develop an increased understanding of recent concrete design and innovations through exploration of the winning projects in the Excellence in Concrete Construction Awards;
(2) Discuss the ever-evolving economic, environmental and aesthetic demands that go along with concrete construction through an in-depth examination of the winning Excellence in Concrete Construction Award projects;
(3) Discuss the challenges and benefits related to concrete construction through an examination of recently completed projects that have won the Excellence in Concrete Construction Awards;
(4) Develop an increased understanding of the innovation and technological advances by looking at the project winners of the Excellence in Concrete Construction Awards that have inspired excellence in concrete design and construction around the world.
Moderator: Clayton K Mccabe
Each year the Maryland ACI Chapter presents awards to concrete construction projects that exemplify excellence. We are pleased to present the following projects recognized for their excellence in concrete construction.
Environmental Facility Construction: Maryland Bioenergy Center
Infrastructure Construction: Governor Harry W. Nice / Senator Thomas "Mac" Middleton Bridge
Repair and Rehabilitation Construction: West Bound Bay Bridge Deck Rehabilitation
Decorative Concrete Construction: Chesapeake Bay Maritime Museum Welcome Center
Learning Objectives:
(1) Summarize the strategies used in the development of a cost-effective design and construction that allowed a bridge to be designed, approved, and constructed within 24 months;
(2) Review the engineering, manufacturing and construction of circular, rectangular, and ellipical precast post-tensioned concrete tanks, custom designed wastewater treatments plants and other specialized concrete products for the water and wastewater industry;
(3) Report on the removal of an existing bridge deck that reached the end of its service life;
(4) Discuss how Buy Clean legistration is being implemented in Maryland.
Moderators: Rashid Ahmed, Mr Brian E. Pulver
Jim Donnelly has significant contribution in the restoration of parking structures. He was also a past chair for the ACI 362 committee. The session will honor Jim works with various presentation in parking structures rehabilitations and restorations.
Learning Objectives:
(1) Learning about unique PT repairs including repairing PT columns;
(2) Understanding distress unique to PT structures and how to develop various remediation methods;
(3) Learning the differences in investigating and repairing button-headed PT garages vs. monostand PT;
(4) Understanding typical parking garage maintenance items and the recommended frequency of maintenance.
Moderator: Leandro F. M. Sanchez
This session explores key aspects of concrete sustainability and durability linked to aggregate characteristics that may affect both short- and long-term performance of critical infrastructure. Certain aggregate types are known to contribute to deleterious reactions, such as alkali-silica reaction (ASR) and freeze-thaw (FT) damage, which can significantly compromise service life. A thorough understanding of the mineralogical and physical properties of aggregates is essential for anticipating and mitigating these durability risks. The session emphasizes the importance of rigorous aggregate selection, detailed characterization, and consistent quality control practices. These measures are fundamental to achieving resilient, long-lasting, and sustainable concrete structures.
Learning Objectives:
(1) Highlight the impact of aggregates on the short and long-term performance of concrete and to propose better ways to use aggregates towards low global warning potential;
(2) Understand the main durability related issues in concrete associated to aggregates;
(3) Knowledge of new protocols proposed to diminish durability issues in concrete related to aggregates;
(4) Knowledge of advanced protocols to better use aggregates and thus diminish the carbon footprint of concrete construction;
(5) Discussion on suitable pathways to decrease durability related issues associated to aggregates and increase sustainability of concrete construction.
Moderators: Dr Anton K Schindler, Dr Mary Beth D Hueste
Awarded authors of papers published in 2024 will be recognized by ACI President Maria Juenger and will present the winning papers. Awarded categories include: the ACI Concrete International Award (no presentation scheduled), the ACI Symposium Volumes Award, the Mete A. Sozen Award for Excellence in Structural Research, the Wason Medal for Materials Research and the Wason Medal for Most Meritorious.
Learning Objectives:
(1) Understand the limitations of current knowledge and calculation methods for post-cracking deflection in beams prestressed with bonded FRP tendons;
(2) Understand how machine learning and statistical techniques can be used to develop structural design equations that demonstrate strong predictive performance while remaining consistent with established code formats;
(3) Identify the effects of steel fiber end-hook geometry on the flexural performance of SFRC;
(4) Understand the role and magnitude of size effect in reinforced concrete members loaded in two-way shear;
(5) Understand historic testing to date, and experimental design for the subject investigation.
$50.00
Please join us in attending the Concrete Repair Day Lunch.
Speaker: Fred R. Goodwin
Title: How Does Concrete Deteriorate & What To Do About It?
This presentation will identify the types and causes of concrete deterioration and provide guidance for prevention, protection, mitigation, repair, and maintenance to address these issues. This presentation explores the complex factors that influence concrete durability, emphasizing how design and construction errors, combined with various deterioration mechanisms, impact long-term performance. Attendees will learn to classify deterioration caused by mechanical, chemical, and physical interactions - ranging from fatigue and fire damage to freeze-thaw cycles and corrosion. The session will also highlight how environmental conditions, material inconsistencies, and structural history contribute to damage accumulation, providing a comprehensive understanding of concrete degradation in real-world scenarios.
PREREGISTRATION IS REQUIRED TO ATTEND. Tickets may be purchased at the ACI Registration Desk up to 24 hours prior to the event, based on availability. Please notify the ACI Registration Desk if you have any dietary restrictions.
Moderator: Mrs Nubia Renhe
ACI 341 will be regularly hosting mini-sessions at each convention aimed at providing an opportunity for graduate students and early career individuals to present their research. We are coordinating this effort with the other ACI seismic committees.
Learning Objectives:
(1) Report on state-of-the-art research conducted in the realm of seismic design;
(2) Support an exchange of ideas within the seismic engineering community
;
(3) Create an avenue for early career researchers to convey their work
;
(4) Prepare young professionals to engage in ACI committee activities.
Moderator: Dr Nima Khodadadi
This session invites researchers, industry professionals, and stakeholders in structural engineering and construction to explore the integration of artificial intelligence (AI) with traditional engineering methods. AI-driven solutions offer efficiencies and insights that address the limitations of classical approaches, paving the way for advancements in design, materials, and resource management. Attendees will gain an understanding of AI’s transformative potential in construction and structural applications, learning how to harness its capabilities for innovation in materials science and advanced structures. Learner outcomes include insights into AI adoption strategies, enhanced materials control, and interdisciplinary approaches to overcoming technical challenges in modern engineering.
Learning Objectives:
(1) Discuss how to use machine learning and optimization;
(2) Use predictive modeling;
(3) Discuss AI-driven solutions;
(4) Examine applications of Artificial Intelligence.
Moderator: Mr Matthew E Carter
This session will describe the comprehensive process of preparing concrete surfaces for various restoration, flooring, or coating applications. The core idea is to understand and apply the correct techniques to ensure a successful and long-lasting bond between the concrete substrate and the new material. This session is to cover fundamental principles and industry guidance to specific equipment and method selection, considering the characteristics of each project.
Learning Objectives:
(1) Surface preparation fundamentals for flooring;
(2) Concrete surface preparation technology overview;
(3) Methodology for choosing the best concrete preparation procedure;
(4) Industry guidance and document review.
Moderator: Pravin Saraswatula
Moderators: Mr Joseph C Swann , Mr J Christopher Ball
This is the first of two sessions provided by the ACI E706 Concrete Repair Education Committee. The first session will cover Concrete Repair Application Procedures (RAP’s) 1-8 and associated case studies. Anyone interested in concrete repair techniques and case studies would benefit from this session. The thesis behind this session is to learn basic concrete repair procedures and gain knowledge in concrete repair from industry practitioners. Understand step by step concrete repair techniques and safety considerations.
Learning Objectives:
(1) One of the most effective ways to address cracks in concrete is to inject epoxy under pressure into the cracks. The injection procedure varies depending on whether the crack is horizontal, vertical or overhead. Learn different approaches to pumping epoxy into cracks under pressure;
(2) For horizontal cracks that are not moving (shrinkage and settlement cracks that have stabilized), gravity feeding of epoxy is a good methodology for sealing the cracks to keep out moisture, chlorides, sulfates, etc.;
(3) Low velocity spray is typically used for vertical and overhead repairs in tight spaces or where the surface area is large enough to increase productivity versus hand patching;
(4) Form and pour and form and pump are two techniques available to accomplish surface repair. Benefits include the use of multiple repair materials, encapsulation of reinforcing steel and formwork to minimize early age shrinkage of repair materials. Form and pump is a good solution with congested reinforcing situations and thicker repair thickness requirements.
Moderator: Mrs Keila Heitmeyer
This mini session is a recurring event focused on the latest developments, case studies, and lessons learned in concrete constructability. Arguably, constructability is one of the most overlooked components of concrete project design and planning. Yet, if not properly
addressed, it can result in a variety of issues during the construction phase of the project,
including negative impacts on the project schedule and budget. Often, the devil lies in the
details when it comes to constructible projects. This session will aim at discussing a variety of constructability-related topics that will be based on real-world experience and case studies.
Learning Objectives:
(1) Recognize recent developments in the area of concrete constructability as it relates to architectural and decorative concrete;
(2) Describe frequent issues occurring on concrete projects that negatively impact constructability, schedules and project budgets;
(3) Identify potential constructability pain points and acquire proven strategies to prevent them from occurring;
(4) Discuss the design behind complicated project elements and alternative methods to construct them.
Ultra-high-performance concrete (UHPC) is known for its exceptional strength and durability, though its use of high binder volumes and steel fiber reinforcement has raised concerns about carbon intensity on a per-unit basis. However, UHPC enables efficient structural designs, reduces material use, minimizes life-cycle maintenance, and extends service life, offering a strong case for sustainability when viewed through life-cycle assessment (LCA). This forum will feature brief presentations from experts who will introduce essential UHPC sustainability concepts, addressing both its environmental and structural benefits to set the stage for a dynamic discussion. Industry leaders, researchers, and designers will explore UHPC’s potential as a sustainable building material by examining project-level LCA and the integration of structural design with environmental impact.
Learning Objectives:
(1) Review key strategies for enhancing sustainability in building design through the use of UHPC;
(2) Assess the sustainability potential of UHPC by examining its life-cycle benefits and environmental impact;
(3) Identify current knowledge gaps and research needs in advancing UHPC as a sustainable material;
(4) Evaluate the potential of UHPC to positively impact the longevity and sustainability of future infrastructure.
Moderator: Dr Nima Khodadadi
This session invites researchers, industry professionals, and stakeholders in structural engineering and construction to explore the integration of artificial intelligence (AI) with traditional engineering methods. AI-driven solutions offer efficiencies and insights that address the limitations of classical approaches, paving the way for advancements in design, materials, and resource management. Attendees will gain an understanding of AI’s transformative potential in construction and structural applications, learning how to harness its capabilities for innovation in materials science and advanced structures.
Learning Objectives:
(1) Understand AI applications in structural health monitoring;
(2) Explore data-driven methods for material performance prediction;
(3) Learn how explainable AI enhances engineering insights;
(4) Discover deep learning uses in earthquake engineering.
Moderator: Pravin Saraswatula
Moderators: Mr Joseph C Swann , Mr J Christopher Ball
This is the second of two sessions provided by the ACI E706 Concrete Repair Education Committee. The second session will cover Concrete Repair Application Procedures (RAP’s) 10-15 and associated case studies. Anyone interested in concrete repair techniques and case studies would benefit from this session. The thesis behind this session is to learn basic concrete repair procedures and gain knowledge in concrete repair from industry practitioners. Understand step by step concrete repair techniques and safety considerations.
Learning Objectives:
(1) The primary function of leveling and reprofiling is to correct surface deficiencies and provide the intended design surface. There are several methods that can be used to prepare the concrete surface for leveling and reprofiling;
(2) Slabjacking is used to level and align concrete slabs-on-ground that have shifted due to settlement, erosion, flooding, or shrinkage of the soil or base below the slab. Existing soil conditions and the selection of the proper materials for slab jacking are critical factors for success;
(3) Shotcrete placement is typically used to restore structural integrity, increase concrete cover over reinforcement, or both. Shotcrete allows placement of high strength, durable concrete repair materials over large surface areas efficiently and quickly. It is a excellent solution when forming requirements are difficult, expensive or labor intensive;
(4) Flood-coating a concrete slab using methacrylates is used when there is a need to fill and bond small cracks, such as shrinkage cracks, as well as to seal the slab against the penetration of water, salts, or deleterious chemicals.
Faculty members and graduate 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.
Join ACI attendees and guests for the Concrete Mixer. Enjoy an evening of networking, entertainment, and great food. An assortment of food and beverages will be available.