EP1304419A1 - Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast - Google Patents
Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast Download PDFInfo
- Publication number
- EP1304419A1 EP1304419A1 EP01124843A EP01124843A EP1304419A1 EP 1304419 A1 EP1304419 A1 EP 1304419A1 EP 01124843 A EP01124843 A EP 01124843A EP 01124843 A EP01124843 A EP 01124843A EP 1304419 A1 EP1304419 A1 EP 1304419A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- load
- fire
- cross
- temperature
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
Definitions
- Structurally loaded structures are usually designed in their design that they any negative environmental influences, such as increased temperature load on occurrence withstand a fire for at least some time.
- tunneling elements on their surface with Thermal insulation mat lined to the heating of the tunnel shell in a fire delay for example tunneling elements on their surface with Thermal insulation mat lined to the heating of the tunnel shell in a fire delay.
- the present invention sets the task To develop computational methods, which without application of complex numerical Methods works and a load-bearing proof of statically charged Concrete structures during and after a fire.
- the fire load either predefined fire courses or especially for fire load curves calculated in each case, in which case the nature of the Transport or goods transported. Determine these fire load curves the temperature curve as a function of time.
- the material characteristics for the component in the case of a tunnel for reinforced concrete, under the influence of temperature. These are the properties during the Fire and residual strength after firing for both concrete and steel certainly.
- the prerequisite for this is that the inner reinforcement layer is protected accordingly is. If the inner, the temperature-exposed reinforcement layer is not against overheating protected, so there is no residual strength and thus no carrying capacity is obtained.
- the protection Reinforcement can only be achieved by correspondingly large coverage.
- the Preventing the peeling of the cover either by skin reinforcement or by the Addition of polypropylene fibers is of great importance.
- the carrying capacity of the individual cross section depends from the definition of the marginal expansions, whereby here in particular the increase of the admissible Concrete compression makes a significant contribution.
- the definition of the limit strains has all influence with temperature-loaded cross sections.
- the temperature stress leads to a reduction of the total Bearing capacity of the cross-section and at the same time to an asymmetrical load-bearing behavior of the cross section, since the material properties themselves for geometrically symmetric Cross sections are now asymmetrical.
- Linear linear statics only allow linear gradients of temperature gradients. As could be detected, the actual temperature gradients deviate greatly from linear courses. As a rule, the edge zones are heavily stressed by temperature, further internal cross-sectional parts and the part facing away from the fire Cross-section are usually hardly or not at all temperature-stressed.
- an internal load can be applied to any temperature load Stress condition can be defined, at each point on the one hand by the respective prevailing temperature and the resulting strains is determined. on the other hand
- the material properties can be dependent on the temperature be defined, bringing the total load from the given temperature gradient calculates.
- the fire load is set constant around the tunnel cross section. As the fire duration increases, the temperature stress penetrates deeper into the cross section:
- the calculation model according to the invention dispenses with the application of complex numerical approaches and, on the basis of elementary strength theory and reinforced concrete construction with the aid of linear bar statics, allows proof of the load-bearing safety of load-bearing systems under fire load.
- the step that is usually missing in the project planning can be In any case, the load capacity calculation can be included with little effort and Measures such as thermal insulation and other constructive measures on their influence be examined. A purely empirical arrangement of such measures can thus omitted. Also, the basic arrangement of thermal insulation in the form of Mats and plastering or protective concrete are offered an alternative, the exclusively based on the principles of reinforced reinforced concrete structures.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Building Environments (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Control Of Turbines (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
- die Definition der Brandlast
- die Berechnung der Temperaturgradiente im Bauteil
- der Nachweis der Tragsicherheit des Bauwerkes
Claims (4)
- Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast durch Berechnung der Veränderungen der Materialeigenschaften während des Brandes und der Restfestigkeit nach dem Brand unter Zugrundelegung von mittels Stabstatik gewonnener Daten, welche bereits aus der Konstruktion des Bauteiles hervorgegangen sind und welche sich auf die Auslegung des Bauteiles für Standardlastfälle wie Eigengewicht, Wasserlast, Erddruck und Nutzlast beziehen, dadurch gekennzeichnet, dass Eingangswerte zur Berechnung für den Bauteil unter Temperatureinwirkung wie folgt festgelegt werdenwobei mit diesen festgelegten Daten über die Querschnittshöhe des Bauteiles für jeden dieser Zeitschritte unter Berücksichtigung der unterschiedlichen nicht linearen Materialeigenschaften an jeder Stelle des Querschnittes durch Integration innerhalb festgelegter Grenzdehnungszuständedurch Definition der Brandlastdurch Festlegung eines beliebigen Zeitpunktes t und Berechnung der Temperaturbelastung über den gesamten Querschnitt zu diesem Zeitpunkt t unddurch Festlegung der Materialeigenschaften unter Temperatureinfluß und nach Brandeinwirkung,ermittelt werden und die sich unter Zuhilfenahme von Stabzugberechnungen ergebenden Schnittgrößen unter Berücksichtigung der geänderten Steifigkeiten und aufgebrachter Ersatztemperaturlast gegen die dann geltenden Traglastkurven abgegrenzt werden.die Traglastkurven für diesen Querschnitt zu diesem Zeitpunkt, das ist die Ermittlung der Tragfähigkeit des Querschnittes durch Bestimmung der Interaktion Biegemoment und Normalkraft mittels Traglastkurvendie Umrechnung der aus der Temperaturlast resultierenden inneren Schnittkräfte in äquivalente äußere Temperaturlasten unddie Bestimmung der jeweils für den betrachteten Querschnitt geltenden Systemsteifigkeiten, das sind Biegesteifigkeit und Dehnsteifigkeit
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei einem negativen Nachweis der Tragsicherheit des betreffenden Tragsystems die in Anspruch 1 angeführten Verfahrensschritte mit geänderten festzulegenden Materialeigenschaften so lange wiederholt werden, bis die gewünschte Tragsicherheit erreicht ist.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die Materialeigenschaften durch Erhöhung der Bewehrung und/oder durch Erhöhung des Betonanteiles und/oder durch Einbeziehung eines Fließgelenkes in die Berechnung geändert werden.
- Anwendung eines Verfahrens nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass im Anschluß an die Erarbeitung der Konstruktionspläne zur Errichtung eines statisch belasteten Bauwerkes die Tragsicherheit dieses Bauwerkes für einen eventuellen Brandfall unter Zugrundelegung von mittels Stabstatik gewonnener Daten, welche bereits aus der Konstruktion des Bauteiles hervorgegangen sind und welche sich auf die Auslegung des Bauteiles für Standardlastfälle wie Eigengewicht, Wasserlast, Erddruck und Nutzlast beziehen, ermittelt und gegebenenfalls die Konstruktionsmerkmale soweit verändert werden, dass die Tragsicherheit bei Brandlast bzw. die erforderliche Restfestigkeit nach dem Brand gegeben ist.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01124843A EP1304419B1 (de) | 2001-10-18 | 2001-10-18 | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
| AT01124843T ATE325928T1 (de) | 2001-10-18 | 2001-10-18 | Verfahren zum nachweis der tragsicherheit von tragsystemen unter brandlast |
| DE50109767T DE50109767D1 (de) | 2001-10-18 | 2001-10-18 | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
| CN02160263A CN1427138A (zh) | 2001-10-18 | 2002-09-30 | 提高支承系统在燃烧负荷下支承安全性的方法 |
| JP2002292867A JP4399153B2 (ja) | 2001-10-18 | 2002-10-04 | 火災負荷の下にある支持システムの安全性を証明する方法 |
| TW091123098A TW536577B (en) | 2001-10-18 | 2002-10-07 | A method for proving the safety against collapse of load-bearing systems under fire load |
| KR1020020061672A KR20030033108A (ko) | 2001-10-18 | 2002-10-10 | 화재 하중을 받고 있는 지지 시스템의 지지 안정성을입증하기 위한 방법 |
| US10/270,585 US20030089071A1 (en) | 2001-10-18 | 2002-10-16 | Method for proving the safety against collapse of load-bearing systems under fire load |
| SG200206360A SG105564A1 (en) | 2001-10-18 | 2002-10-17 | Method for proving the safety against collapse of load-bearing systems under fire load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01124843A EP1304419B1 (de) | 2001-10-18 | 2001-10-18 | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1304419A1 true EP1304419A1 (de) | 2003-04-23 |
| EP1304419B1 EP1304419B1 (de) | 2006-05-10 |
Family
ID=8179001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01124843A Expired - Lifetime EP1304419B1 (de) | 2001-10-18 | 2001-10-18 | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20030089071A1 (de) |
| EP (1) | EP1304419B1 (de) |
| JP (1) | JP4399153B2 (de) |
| KR (1) | KR20030033108A (de) |
| CN (1) | CN1427138A (de) |
| AT (1) | ATE325928T1 (de) |
| DE (1) | DE50109767D1 (de) |
| SG (1) | SG105564A1 (de) |
| TW (1) | TW536577B (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885911A (zh) * | 2019-01-31 | 2019-06-14 | 中铁第四勘察设计院集团有限公司 | 包括多荷载作用下二次衬砌的隧道复合式衬砌设计方法 |
| CN114662275A (zh) * | 2022-01-14 | 2022-06-24 | 国家石油天然气管网集团有限公司 | 弯头缺陷剩余强度评价方法及评价用安全系数确定方法 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1304419B1 (de) * | 2001-10-18 | 2006-05-10 | Wageneder, Johannes | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
| US7587875B2 (en) * | 2004-10-04 | 2009-09-15 | No-Burn Investments, L.L.C. | Fire resistance rating system |
| KR101010656B1 (ko) * | 2008-06-13 | 2011-01-25 | 주식회사 평화 | 관 연결부가 보강된 지중매설 하수관용 관 연결구 |
| CN106372353A (zh) * | 2016-09-14 | 2017-02-01 | 南京林业大学 | 一种确定水泥路面嵌缝料几何尺寸的方法 |
| CN107167551B (zh) * | 2017-05-05 | 2019-07-12 | 西南交通大学 | 一种模拟火灾中混凝土结构性能的测试装置 |
| CN109033716B (zh) * | 2018-09-05 | 2023-04-28 | 深圳市赛为智能股份有限公司 | 基于bim的火灾事故数据处理方法、终端及存储介质 |
| CN109299525B (zh) * | 2018-09-05 | 2023-04-07 | 深圳市赛为智能股份有限公司 | 基于bim的灭火用水荷载效应的模拟方法及终端 |
| CN111680612B (zh) * | 2020-06-03 | 2022-08-30 | 清华大学 | 基于图像处理的室内火灾荷载自动识别装置与方法 |
| CN114065346B (zh) * | 2021-11-15 | 2025-09-16 | 应急管理部天津消防研究所 | 一种爆炸场景下钢结构建筑倒塌评估预测方法 |
| CN114329967B (zh) * | 2021-12-29 | 2024-04-16 | 中国人民警察大学 | 钢框架中柱温度应力的计算方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0758773A1 (de) * | 1995-08-10 | 1997-02-19 | PROMAT GmbH | Verfahren zur rechnergestützten Erstellung einer Konstruktion eines Gebäudeteils |
| JPH11326148A (ja) * | 1998-05-19 | 1999-11-26 | Sato Kogyo Co Ltd | 鉄骨構造物の耐火性能の評価方法および、その方法を組み込んだ耐火設計評価処理手順のコンピュータ読み取り可能な記録媒体 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5654337A (en) * | 1979-10-11 | 1981-05-14 | Kurosaki Refract Co Ltd | Automatic correcting method for expansivity measured value of high-temperature load testing device for fire- resistant brick |
| JP2001326443A (ja) * | 2000-05-15 | 2001-11-22 | Rb Controls Co | 電気部品の実装方法 |
| EP1304419B1 (de) * | 2001-10-18 | 2006-05-10 | Wageneder, Johannes | Verfahren zum Nachweis der Tragsicherheit von Tragsystemen unter Brandlast |
| JP2003293481A (ja) * | 2002-03-29 | 2003-10-15 | Nippon Steel Corp | 火災室温度の低減方法および火災室構造体 |
-
2001
- 2001-10-18 EP EP01124843A patent/EP1304419B1/de not_active Expired - Lifetime
- 2001-10-18 DE DE50109767T patent/DE50109767D1/de not_active Expired - Fee Related
- 2001-10-18 AT AT01124843T patent/ATE325928T1/de active
-
2002
- 2002-09-30 CN CN02160263A patent/CN1427138A/zh active Pending
- 2002-10-04 JP JP2002292867A patent/JP4399153B2/ja not_active Expired - Fee Related
- 2002-10-07 TW TW091123098A patent/TW536577B/zh not_active IP Right Cessation
- 2002-10-10 KR KR1020020061672A patent/KR20030033108A/ko not_active Ceased
- 2002-10-16 US US10/270,585 patent/US20030089071A1/en not_active Abandoned
- 2002-10-17 SG SG200206360A patent/SG105564A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0758773A1 (de) * | 1995-08-10 | 1997-02-19 | PROMAT GmbH | Verfahren zur rechnergestützten Erstellung einer Konstruktion eines Gebäudeteils |
| JPH11326148A (ja) * | 1998-05-19 | 1999-11-26 | Sato Kogyo Co Ltd | 鉄骨構造物の耐火性能の評価方法および、その方法を組み込んだ耐火設計評価処理手順のコンピュータ読み取り可能な記録媒体 |
Non-Patent Citations (1)
| Title |
|---|
| DATABASE WPI Week 0007, Derwent World Patents Index; AN 2000-078199, XP002192366 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885911A (zh) * | 2019-01-31 | 2019-06-14 | 中铁第四勘察设计院集团有限公司 | 包括多荷载作用下二次衬砌的隧道复合式衬砌设计方法 |
| CN109885911B (zh) * | 2019-01-31 | 2022-04-01 | 中铁第四勘察设计院集团有限公司 | 包括多荷载作用下二次衬砌的隧道复合式衬砌设计方法 |
| CN114662275A (zh) * | 2022-01-14 | 2022-06-24 | 国家石油天然气管网集团有限公司 | 弯头缺陷剩余强度评价方法及评价用安全系数确定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE325928T1 (de) | 2006-06-15 |
| TW536577B (en) | 2003-06-11 |
| CN1427138A (zh) | 2003-07-02 |
| EP1304419B1 (de) | 2006-05-10 |
| SG105564A1 (en) | 2004-08-27 |
| KR20030033108A (ko) | 2003-04-30 |
| JP4399153B2 (ja) | 2010-01-13 |
| US20030089071A1 (en) | 2003-05-15 |
| JP2003176694A (ja) | 2003-06-27 |
| DE50109767D1 (de) | 2006-06-14 |
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