the use of de-icing salts in post-tensioned concrete slabs and their effects on the life of the structure
this article expounds on the problem of the use of de-icing salts in the corrosion of steel rebars in bridge decks and their effect on post-tensioning elements. in particular, this paper focuses this problem on structures affected by an aggregate–alkali reaction and without any waterproof treatment using the example of one structure whose repair was carried out in 2020. in this structure, the internal stresses due to the aggregate–alkali reaction caused longitudinal cracks in the upper face of the deck, through which the penetration of chloride ions was concentrated, causing, finally, the brittle fracture of the steel bars and the corrosion of the prestressing elements. this article also explains some conclusions about the most probable mechanisms that resulted in the brittle fracture of the steel bars due to the extraordinary and unexpected nature of this phenomenon.
understanding the difference between precast vs post-tensioned concrete slabs - heldenfels enterprise
when it comes to constructing durable and efficient structures, choosing the right type of concrete slab is crucial. two commonly used methods in the industry
post tension slab problems & advantages
have you heard about post tension slabs? what is a post tension slab? this article talks about post tension slab problems and advantages.
development length assessment of bonded post-tensioning slabs with bulb-shaped dead end anchorage - international journal of concrete structures and materials
the bond between prestressing strands and concrete within the dead-end zone of a post-tensioned concrete member significantly influences the effectiveness of the strand-concrete system. however, the existing code equations for determining development length rely on studies conducted on pretensioned concrete members rather than post-tensioned ones. as a result, the implementation of development length for prestressing strands with bulb-shaped dead end anchorage in post-tensioning slabs relies on common practice and former experience. unfortunately, this can sometimes lead to concrete cracks or strand slippage at the dead end zone due to insufficient development length. this paper presents an experimental study on post-tensioning slab segments representing the dead end zone. the aim of this study is to assess the development length of prestressing strands with bulb-shaped dead end that shall guarantee full bond with concrete throughout the member’s service life. the specimens were divided according to three different concrete compressive strengths 34 mpa, 48 mpa and 70 mpa. the parameters considered included slab thicknesses of 160 mm and 250 mm, as well as strand embedment lengths of 700 mm and 850 mm. based on the test results, the sufficient development length was determined. furthermore, a verification was carried out to assess the validity of applying predicted equations from an adopted bond model to determine the bond strength of strand with bulb-shaped dead end anchorage in concrete slabs.
panorama tower - suncoast post-tension | unbonded post-tensioning supply & repairs houston, tx | post tension contractors
suncoast was given the opportunity to with with tutor perini and baker concrete on the panoram tower, the soon-to-be tallest building in miami.
slab-on-grade vs. post-tension foundation design
there are several key differences between a regular slab-on-grade foundation and a post-tension foundation. consulting with the qualified structural engineers at lynn engineering will help you determine the most suitable foundation system for a specific project.
post tension slab problems and advantages
another reason for cracks is when a vehicle or another large object is placed upon the structure, and its concrete slab undergoes tension.
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what is a post-tensioned slab?
stud rails | advanced post tension
advanced pt supplies installation drawings, stud rails, and accessories for projects across the us.
post tension cables guide
explore the comprehensive guide to post-tension cables in calgary's construction. understand their role in modern architecture, their advantages over rebar, and the critical importance of regular inspections for maintaining structural integrity. lear
what is a post tension concrete slab?
a post tension concrete slab can counter the issues that come with building a home on unstable ground and accommodate a wider range of design features.
a challenging ceiling grid installation: post-tension concrete
anchoring ceiling grids to concrete is sometimes easier said than done. concrete slabs are often strengthened using a process called post tensioning. this method makes use of embedded high strength steel cables to reinforce the concrete slab. although this construction technique produces concrete sections with excel
innovative trends in post-tension slabs for modern architecture - coloscapes concrete
as the demands of modern architecture evolve, so too do the technologies and materials that support groundbreaking designs. post-tension slabs, already a cornerstone of structural engineering, are now seeing new advancements that make them even more versatile and efficient. in this blog, we’ll explore the emerging trends in post-tension slab…
caution: post tension slabs
if using concrete embeds glazing contractor should make sure the installation of embeds is coordinated with the post tension strand installation. paying attention to this issue can save glazing contractors time and money.
post-tension material supply | suncoast post-tension
suncoast is your one-stop resource for all post-tension material supply. we can offer all foundation reinforcing requirements from one source.
prestressed and post-tensioned concrete - evstudio
learn more about understanding prestressed and post-tensioned concrete in building construction - structural engineering - evstudio .
post tension cables located inside concrete slab on grade in littleton, co - kinetic industry
project gallery: the scope on this project was to locate reinforcement (post-tensioned cables), electrical conduit, and other hazards with ground penetrating radar (gpr), and an electromagnetic (em) pipe locator.
why a post-tension slab leak is such a challenge | custom plumbing az
does your home sit on a post-tension slab? this article explains why a post-tension slab leak is a challenging repair job.
efficient concrete drilling for post-tensioning installations
learn expert techniques for concrete drilling and post-tensioning tendon installation, including preparation, methods, and precision anchoring.
the importance of pre-pour meetings for the success of post-tensioned slabs
pre-pour meetings are essential in the construction process, particularly when dealing with complex structures such as post-tensioned slabs.
post tension cables - superior foundation services
the foundation of your jackson home is its backbone, literally holding everything up. in jackson, with its diverse soil conditions and ever-changing weather
quality from the underground up.
general contracting • landscape solutions • sinkhole repair
on track: let post-tensioning take the stress for the planet - glotman simpson
concrete slabs can be held accountable for most of the embodied carbon in our buildings, responsible for nearly 40% to 70% of the total concrete volume in a high-rise tower.
battle of the reinforcements: post-tension vs rebar-reinforced concrete slabs | spearhead locating services
should you use post-tension cables or rebar to reinforce your concrete slab? we compare them and show how a concrete scanner can ensure proper installation.
what are post-tension slabs & why are they used?
read on to learn more about post-tensioned slabs and some of the advantages and challenges of their usage in construction projects.
how to adu | has anyone here done a garage adu and had post tension concrete to cut through | facebook
has anyone here done a garage adu and had post tension concrete to cut through? what is the process?
post-tension slabs: enhancing concrete foundations for the modern era - bluewing design & construction pvt. ltd.
builders in modern construction rely on post-tensioning systems for one clear reason – they are a game-changer when it comes to reinforcing concrete in large-scale projects. and when it comes to laying the foundation for both residential and commercial structures,...
gprs | read about: post tension cables are a critical component in modern construction, offering enhanced strength and flexibility to concrete structures.
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comprehensive overview of post tension slab construction
explore the ins and outs of post tension slab construction in this detailed guide. learn everything you need to know about post tension slabs.
in this article we compare pretensioning and post tensioning of concrete. keep reading to learn more about what makes them different.
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post-tension concrete courts-top contractor in the hamptons & east end
post-tension concrete courts-certified by post tensioning institute to provide turn-key construction for any size tennis court
stumped.....post tension slab decomposition - structural engineering general discussion
i don't have a lot of experience with post tension slabs, yet came across a potential client with a series of post tension slabs yesterday with problems...
mastering post-tensioning in cold weather conditions with smart technology
when post-tensioning in cold weather monitoring the temperture and strength of your in-situ concrete elements is very important.
gpr scanning to ensure safe post-tension slab drilling
enhanced scanning provides gpr scanning for post-tension concrete slabs prior to drilling, cutting, or coring.
post-tension concrete [guide] | fmp construction
post tension concrete reinforces & strengthens it with tensioning steel rods. learn more about the whats, whens, hows, & whys of this method.
construction applications | innovative post-tension solutions
discover how pte systems international supports various construction applications with advanced post-tensioning services.
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