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edited by Fredrik Lagerström
on 2021/03/01 12:57
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1 +Prestressed reinforcement is defined using the following parameters. It is also important to select the bar type to get the correct geometrical properties.
2 +
3 +[[image:1614599875950-878.png]]
4 +
5 +f,,yk,,: Characteristic yield stress [MPa]
6 +
7 +f,,uk,,: Ultimate tensile strength [MPa]
8 +
9 +E,,sk,,: Ultimate tensile strength [MPa]
10 +
11 +ε,,ud,,: Elongation of reinforcement at maximum load [-]
12 +
13 +ε,,limit,,: Limit elongation [-]
14 +
15 +γ,,s,,: Partial factor for steel materials [-]
16 +
17 +[[image:1614324522497-215.png]]
18 +
19 += Bar type =
20 +
21 +[[image:1614327974821-607.png]]
22 +
23 +For regular reinforcement of Plain, Ribbed and Profiled types, it is possible to set a reinforcement diameter of 1-99mm in 1mm increments
24 +
25 +(% class="table-hover" %)
26 +|(% style="background-color:#0076cb" %)(% style="color:#ffffff" %)**Bar type**|(% style="background-color:#0076cb" %)(% style="color:#ffffff" %)**Picture**|(% style="background-color:#0076cb" %)(% style="color:#ffffff" %)**Description**|(% style="background-color:#0076cb" %)(% style="color:#ffffff" %)**Also known as**
27 +|Plain|[[image:https://www.infrabuild.com/getattachment/45784643-3289-4b65-801a-4d8c01d91726/attachment.aspx?height=600||alt="Plain Round Bars – Reinforcing Bar - InfraBuild - Formerly LIBERTY OneSteel" height="175" width="175"]]|Plain reinforcement rod|[[image:92997_-_flag_sweden.png]] Ss (Slät stång, t.ex. Ss 26)
28 +|Ribbed|[[image:https://www.reinforcingmesh.org/images/deformed-reinforcing-steel-bar.jpg||alt="Reinforcing Steel Bar for Concrete Reinforcement" height="151" width="201"]]|Most common for Nordic reinforcement|[[image:92997_-_flag_sweden.png]] K or Ks (Kamstång, t.ex K500C-T, Ks 40)
29 +|Profiled|[[image:https://www.begroup.se/fileadmin/_processed_/8/5/csm_Stainless_reinforcing_767px_9bf5371e68.jpg||alt="Rostfri armering från BE Group | BE Group" height="290" width="179"]]| |(((
30 +[[image:92997_-_flag_sweden.png]] Ps (Profilerad stång, t.ex Ps 50)
31 +)))
32 +|Wire|[[image:https://www.theepdregistry.com/wp-content/uploads/f89.jpg||alt="PC-strand – Prestressed steel for reinforcement of concrete | The EPD Registry™ | The World EPD Library and Digital Databases for Construction Products" height="175" width="185"]]|Used for [[prestressing steel>>doc:PRE-Stress.Prestressing reinforcement (PRE-Stress).WebHome]]|
33 +|Single Wire| |Used for [[prestressing steel>>doc:PRE-Stress.Prestressing reinforcement (PRE-Stress).WebHome]]|
34 +|Net|[[image:https://www.stenastal.se/siteassets/images/produktbilder/armeringnat_1280x400.jpg||alt="Armeringnat_1280x400_CompQual80.jpg" height="103" width="330"]]| |(((
35 +[[image:92997_-_flag_sweden.png]] NPs (Nät av profilerade stänger, t.ex NPs 50)
36 +)))
37 +
38 +
Copyright 2020 StruSoft AB
PRE-Stress Documentation