Design Criteria for Insulating Concrete Form Wall Systems PDF Download
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Author: John J. Roller
Publisher:
ISBN:
Category : Concrete walls
Languages : en
Pages : 56
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Book Description
Author: John J. Roller
Publisher:
ISBN:
Category : Concrete walls
Languages : en
Pages : 56
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Book Description
Author: Ray Yu
Publisher:
ISBN:
Category :
Languages : en
Pages : 185
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Book Description
Insulated concrete form (ICF) walls are used in low- to mid- rise construction and are cost-competitive with wood and masonry walls. In addition, these wall systems meet increasingly strict insulation requirements in building codes and therefore have the potential to be more cost-effective than wood construction. There is one drawback, however, and that is that their minimum reinforcing requirements are determined by ACI 318-19, including maximum spacing limits and minimum reinforcement ratios. These reinforcement requirements exceed what is required to meet strength demands. As such, there is a need to investigate the required spacing and amount of reinforcement. In addition, there is an interest in using steel fibers to replace some of the wall reinforcement. Previous studies have not investigated these design parameters. This research project utilized non-linear finite element modeling (FEM) to investigate the impact of reducing minimum steel requirements as well as the use of steel fiber in planar walls. The FEM was based on prior work and validated using in-plane and out-of-plane tests. The wall models were subjected to monotonically increasing shear in the out-of-plane direction and a constant, distributed axial load at the top of the wall. The reference wall geometry was selected to meet a single bay of a one-story structure as well as future test specimens. Using the validated modeling approach and reference geometry, a parametric study was conducted to investigate the impact of the following design parameters on the structural response of the wall: (1) bar spacing, (2) number of curtains of steel, as well as (3) steel fiber dosage in conjunction with the first two variables. The research findings are as follows: (1) the peak strength of the wall is determined by the tensile capacity of the plain or fiber-reinforced concrete (FRC), (2) the bar spacing and the number of curtains of steel only impact the residual strength increase after cracking, and (3) it appears possible to use FRC with starter bars for some walls as this concrete provides shear, moment and axial capacity and the starter bars transfers the forces to the foundation. The findings suggest more economical bar layouts for ICF walls are possible without compromising the structural response.
Author: Pieter A. VanderWerf
Publisher: McGraw-Hill Professional Publishing
ISBN:
Category : Architecture
Languages : en
Pages : 368
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Book Description
Insulating concrete forms, the most requested new material in home building today, increases energy efficiency, design flexibility, strength and durability. This step-by-step illustrated guide shows designers, architects, and engineers how to put this cutting-edge technology to work. Eight pages of color photos show homes recently constructed with this technology. 178 illus.
Author: Ivan S. Panushev
Publisher: McGraw Hill Professional
ISBN: 0071782192
Category : Technology & Engineering
Languages : en
Pages : 225
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Book Description
Ever year, thousands of general contractors and subcontractors must grapple with whether to bid Insulating Concrete Form (ICF) projects, how much to charge for them, and how to manage the job. ICFs are stronger, energy-efficient, and offer great design flexibility, and their use is growing by 30% a year. This invaluable work walks the contractor through both business and technical considerations in evaluating and adopting Insulating Concrete Forms for both the residential and commercial markets. * Details the entire ICF construction process * Training and supplier information * Actual job site experiences
Author: NAHB Research Center, Inc
Publisher:
ISBN: 9780893121969
Category : Concrete houses
Languages : en
Pages : 202
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Book Description
Author:
Publisher:
ISBN:
Category : Concrete houses
Languages : en
Pages : 212
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Book Description
Insulating concrete forms (ICFs) are hollow blocks, planks, or panels made from rigid foam plastic insulation or from composites of cement and other mateterals and which have the ability to act as forms for cast-in-place concrete walls. While gaining in popularity as an alternative to light-frame construction, the lack of consistent and comprehensive standards has prevented ICF systems from reaching their full potential among builders and officials who may be unfamiliar with this construction technique.
Author: United States. Department of Housing and Urban Development. Office of Policy Development and Research
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 46
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Book Description
Author: International Code Council
Publisher:
ISBN: 9781609837211
Category : Education
Languages : en
Pages :
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Book Description
An organized, structured approach to the 2018 INTERNATIONAL PLUMBING CODE Loose leaf Version, these TURBO TABS will help you target the specific information you need, when you need it. Packaged as pre-printed, full-page inserts that categorize the IPC into its most frequently referenced sections, the tabs are both handy and easy to use. They were created by leading industry experts who set out to develop a tool that would prove valuable to users in or entering the field.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 63
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Book Description
Transitioning from standard light frame to a thermal mass wall system in a high performance home will require a higher level of design integration with the mechanical systems. The much higher mass in the ICF wall influences heat transfer through the wall and affects how the heating and cooling system responds to changing outdoor conditions. This is even more important for efficient, low-load homes with efficient heat pump systems in colder climates where the heating and cooling peak loads are significantly different from standard construction. This report analyzes a range of design features and component performance estimates in an effort to select practical, cost-effective solutions for high performance homes in a cold climate. Of primary interest is the influence of the ICF walls on developing an effective air sealing strategy and selecting an appropriate heating and cooling equipment type and capacity. The domestic water heating system is analyzed for costs and savings to investigate options for higher efficiency electric water heating. A method to ensure mechanical ventilation air flows is examined. The final solution package includes high-R mass walls, very low infiltration rates, multi-stage heat pump heating, solar thermal domestic hot water system, and energy recovery ventilation. This solution package can be used for homes to exceed 2012 International Energy Conservation Code requirements throughout all climate zones and achieves the DOE Challenge Home certification.
Author: Pieter A. VanderWerf
Publisher: Sterling Publishing Company
ISBN: 9781402736292
Category : Architecture
Languages : en
Pages : 184
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Book Description
Prospective homeowners will welcome this introduction to a durable, energy-efficient new building technology: insulating concrete forms (ICFs). Written by a top expert in the field, and organized in an accessible question-and-answer form, it will help homebuyers decide whether an ICF is right for them and how to get the most for their money. Every aspect of planning and construction is covered, from exactly what an ICF is to the intricacies of building a concrete house, from choosing a contractor to selecting a suitable design for the system. There’s crucial advice on how to make sure construction goes smoothly, diagrams and photos to illustrate every point, beautiful ICF homes on display, and explanations of how these homes differ from conventional ones and why they cost less to maintain.
