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Tilt-Up Concrete
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> Tilt-Up Concrete
Tilt-up
concrete construction is one of the fastest-growing building technologies
in North America, with at least 10,000 structures—enclosing
more than 650 million square feet of space—being built every
year. While tilt-up has been in existence for more than a century,
the 1940s saw a surge of interest in the method, and today tilt-up
builds more than 15% of industrial buildings in the U.S., according
to the Tilt-Up
Concrete Association.
Building Process
When building with tilt-up, the site is prepared, walls are cast
on-site on the floor slab, and then tilted up and secured in place.
Engineering plays a key role in the creation of tilt-up buildings:
wall panels must be able to withstand lifting loads, and floor slabs
must be able to withstand crane and/or bracing loads during construction.
Recent evolutions in component and mix design mean that structures
can incorporate thinner, taller panels than ever before. And tilt-up
panels can be finished in myriad ways, offering aesthetic flexibility.
One of the most evident benefits of tilt-up concrete construction
is speed. Wall panels are often placed while the rest of the building
systems are designed, and trades can begin work quickly, speeding
time to occupancy. Tilt-up structures also offer all the energy
efficiency, strength, and durability long associated with concrete.
Sustainability
Tilt-up is widely recognized as an environmentally friendly construction
method. Because walls are cast on-site, transportation costs are
minimized. Typically, the thermal mass of tilt-up eliminates the
need for insulation. Of the approximately 25% of panels that are
insulated, most use non-conductive ties to take best advantage of
thermal mass properties—creating a solid, insulated energy-efficient
wall. The large panels (the record is just over 92 feet tall) require
less energy and labor for erection and finishing. And tilt-up buildings
can be designed to accommodate change, with panels that are easy
to move, remove and reuse, or even recycle if necessary.
Industry Resources
ACI
551R includes recommendations for many aspects of tilt-up construction,
including design, engineering, placement, maintenance, and more.
The Tilt-Up Concrete
Association offers a variety of resources for engineers, architects,
and contractors. Get the essential
methods and skills of tilt-up construction and the “Top
Ten” tilt-up record-holders.
| Publications |
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The
Tilt-Up Construction and Engineering Manual - 6th Edition
(LT192)
Published by the Tilt-up Concrete Association, this manual is
the leading resource of information on Tilt-Up design and construction.
This 6th edition has been revised to reflect feedback from wide
variety of experts throughout the industry, and also includes
considerable amount of new materials. The 360-page volume reflects
the engineering and construction practices that developed as
the industry has grown and advanced, and is an important reference
for those just getting started as well as those with years of
experience. It includes a CD supplement of guide photos, guide
details and guideline specifications.
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Tilt-Up
Concrete Buildings (PA079)
This publication describes the advantages and uses of the tilt-up
construction method and shows some typical details and various
architectural features currently being used. Illustrated with
34 photos and sketches, this booklet shows the benefits of the
tilt-up process from preliminary concept to construction and
erection.
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Connections
for Tilt-Up Wall Construction (EB110)
This 44-page manual describes connections commonly used in
tilt-up construction. It includes design tables and 28 perspective
drawings of details between wall panels and foundation, floor,
adjacent wall panels, and roof. Details were obtained from
engineering offices experienced in tilt-up design and from
a review of current literature. Connection elements such as
standard bolts, high-strength bolts, threaded inserts, expansion
inserts, embedments, welding, dowels, grout, and bearing pads
are discussed.
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PCA
Notes on ACI 318-05 Building Code Requirements for Structural
Concrete with Design Applications (EB705)
Designed to help you apply the provisions of ACI 318-05 to
the design and construction of concrete structures, these
Notes were prepared with engineers and architects in mind.
PCA Notes is also a valuable aid to educators, undergraduate
and graduate students, contractors, materials and product
manufacturers, building code authorities, and inspectors.
The 34 chapters of PCA Notes provide detailed coverage of
ACI 318-05’s 22 chapters and four appendixes dealing
with strut-and-tie models, alternative provisions for reinforced
and prestressed concrete flexural and compression members,
alternative load and strength-reduction factors, and anchorage
to concrete. The chapters are introduced with a summary of
code changes in 2005 and contain numerical examples that help
design professionals to better understand and apply the code
provisions.
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Tilt-Up
Load-Bearing Walls (EB074)
Use load tables to quickly and easily design tilt-up wall
panels for gravity and wind forces. A "column model"
is used to compute the load capacities of reinforced concrete
tilt-up wall panels with one layer or two layers of reinforcement
that rest on continuous footings. An approximate but rational
means of evaluating the effects of isolated footings and sustained
loads on the capacity of these slender walls is included.
Design assistance in the form of load-capacity coefficient
tables is also presented, as well as illustrative design applications.
This third edition includes both English and metric units.
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Concrete
Systems for Homes and Low-Rise Construction Item Code
(SP405)
Fast gaining on more traditional homebuilding materials, concrete
systems save builders time, money, and headaches. Written
by PCA experts, this resource provides expert, straightforward
answers on concrete systems, including everything you want
to know about availability of products, evaluating concrete
systems for homes and low-rise buildings, requirements for
application, managing projects, and much more. Based on case
histories, field research, and hands-on-the-hammer experience,
and with more than 325 photos and illustrations, this one-stop
resource shows and tells what you want to know.
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Tilt-Up Concrete
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