ACI Global Home Middle East Region Portal Western Europe Region Portal
Email Address is required Invalid Email Address
In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Learn More
Become an ACI Member
Topics In Concrete
Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 113 Abstracts search results
Document:
CI4607Reigstad
Date:
July 1, 2024
Author(s):
Gordon H. Reigstad, Jason G. Reigstad, and Jared M. Reigstad
Publication:
Concrete International
Volume:
46
Issue:
7
Abstract:
The PS=Ø system allows engineers to design post-tensioned (PT) and reinforced concrete members with more restraint releases and without the construction schedule delays of traditional pour strips. With or without temporary PT stressing strips, PS=Ø couplers can be used as restraint relief details in slab-to-slab, slab-to-wall, and beam-to-beam joints.
CI4604Britt_spotlight
April 1, 2024
Jennifer Britt
4
Existing concrete slabs and structures require scanning and imaging before any build out, renovation, or excavation work begins. Ground-penetrating radar technology has established itself as the primary tool for fast, effective, and efficient determination of the presence of utilities and embedded structural members, such as post-tensioning tendons and reinforcing bars.
CI4601Klinger
January 1, 2024
James Klinger, Joseph F. Neuber Jr., Jeffrey Ondo, and Bruce A. Suprenant
1
Placing and finishing of concrete slabs with portland-limestone cement (Type IL cement) may create issues for some contractors, and bleeding rate is a major factor. The article discusses saw cutting, cold weather protection, post-tensioning, and form removal, as well as best practices and strategies to minimize risks during floor slab finishing and early-age, strength-critical construction with Type IL cement.
CI4510Weilacher
September 29, 2023
Weilacher, R.M.; Newsome, J.; and Harrison, G.H.
45
10
Riverworks at Eastern Wharf is a mixed-use development in Savannah, GA, USA. A massive fire at the construction site caused severe damage to this project. The article describes the investigation of the structure’s condition after the fire, damage evaluation, and repair of the concrete structure of the podium slab and post-tensioning cables.
SP357_03
April 1, 2023
Madhura Sanjay Chavan and Mary Beth Hueste
Symposium Papers
357
Experimental tests have been performed on interior post-tensioned (PT) slab-column (SC) connections over the past several decades. This paper presents a comprehensive database of 92 such tests performed on interior PT SC connections without shear reinforcement under direct shear. The data was then analyzed to compare the accuracy of the punching shear provisions of ACI 318-19, Eurocode 2 (2004), and CSA A23-19. Several key parameters were evaluated for the PT SC specimens including the concrete compressive strength, specimen geometry, bonded flexural reinforcement ratio, and minimum area of bonded flexural reinforcement; and their influence on the two-way shear strength of these connections was studied. Recommendations are made for possible modifications to the provisions of ACI 318-19 including the limit on the value of the concrete compressive strength f_c^'. Areas for further study, including size effect and bonded flexural reinforcement requirements, are highlighted.
DOI:
10.14359/51738758
Results Per Page 5 10 15 20 25 50 100
Edit Module Settings to define Page Content Reviewer