Top700 High-strength reinforcing steel for specjal requirements.pdf

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Top700:
High-strength reinforcing steel
for special requirements
02
Top700
Top700
03
Higher strength steel for more
flexibility in construction
For high-stress pillars or long-span ceilings:
High-strength Top700 means less steel for reinforcement.
New possibilities of architectural design
are opening up: slimmer construction
with better use of space and less weight.
The workload in prefabrication and on site
is reduced because less steel is needed.
It is easier to comply with the standard
values for maximum rebar content in
highly reinforced components. Reinforced
concrete construction with Top700 does
not require any special properties of
the concrete.
Long-span ceiling in a warehouse and high-stress pillars in a gym – Examples of using Top700.
Reinforcing
Steel
B500B
Top700
Yield Point
f
sk
500 N/mm
2
700 N/mm
2
Ratio
(f
t
/f
s
)
k
1.08
1.08
Elongation at
Maximum Force
e
uk
5.0%
5.0%
Ductility
Class
B
B
Elastic
Modulus
205 kN/mm
2
205 kN/mm
2
Top700
+40% Strength
B500B
Tension, N/mm
2
100
37
5
25
37
5
37
5
100
25
37
5
37
5
100
25
37
5
25
25
100
4 Ø30
Top700
6 Ø30
B500B
100
70
25
4 Ø30
Top700
4 Ø30
B500B
Equal flexural strength (M
Rd
= 1370 kNm)
with concrete reduced by 30%.
Equal flexural strength (M
Rd
= 1900 kNm)
with reinforcement reduced by 1/3.
Elongation, %
Top700: The advantages in a nutshell
■
■
■
■
■
■
■
High-strength ductility class B
reinforcing steel
Characteristic yield point value of
f
sk
700 N/mm
2
, design values of
Yield point f
sd
of 609 N/mm
2
For high-stress components
Enables slimmer construction,
which means more usable space
Makes it easier to comply with
maximum steel content for components
Reduces the required quantity
of steel in kg/m
3
Saves time and effort on site or in
prefabrication
Registry entry
The reinforcing steel Top700 has been
entered in the Registry of Reinforcing
Steels Conforming to SIA Standard
262 under Number 3.5. The EMPA has
confirmed the of weldability of Top700.
Milling mark
The image shows the milling mark and
rolled-on lettering.
Notes for project engineers
You must observe the requirements of
SIA Standard 262 for the serviceability
limit state design as well as the structural
design and, if necessary, make relevant
adjustments. This applies for example to
sag, anchorage length and deflection. For
more information and examples of using
high-strength concrete reinforcing steel
visit: www.swiss-steel.com/top700
Availability
Top700 reinforcing steel is available in the
diameters 26, 30, 34 and 40mm. The 40mm
size is available from stock at selected
steel merchants; other sizes on request.
SWISS STEEL AG
Emmenweidstrasse 90
CH - 6020 Emmenbrücke
Fon +41 (0) 41 209 5151
Fax +41 (0) 41 209 5255
info@swiss-steel.com
www.swiss-steel.com/top700
Changes, errors and printing errors
excepted.
2014-0049

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