DE10227194A1 - Method to maintain pressure in safety staircase esp. in tall buildings calculates pressure filed within building, taking into consideration unretentiveness, floor on fire, and losses at throttle flap, to secure access - Google Patents
Method to maintain pressure in safety staircase esp. in tall buildings calculates pressure filed within building, taking into consideration unretentiveness, floor on fire, and losses at throttle flap, to secure access Download PDFInfo
- Publication number
- DE10227194A1 DE10227194A1 DE2002127194 DE10227194A DE10227194A1 DE 10227194 A1 DE10227194 A1 DE 10227194A1 DE 2002127194 DE2002127194 DE 2002127194 DE 10227194 A DE10227194 A DE 10227194A DE 10227194 A1 DE10227194 A1 DE 10227194A1
- Authority
- DE
- Germany
- Prior art keywords
- fire
- pressure
- floor
- building
- stairwell
- 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.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
- F24F2011/0004—Control or safety arrangements for ventilation for admittance of outside air to create overpressure in a room
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Einstellung eines gewünschten Druckverlaufs in Sicherheitstreppenräumen, insbesondere für Hochhäuser. Die sicherheitstechnischen Anforderungen an druckbelüftete Treppenräume sind in der Bundesrepublik Deutschland in bauaufsichtlichen Regelungen angegeben. Die Regelungen sehen vor, dass der Treppenraum von unten nach oben hinreichend durchströmt wird und dass der Zugang zum Treppenraum über Sicherheitsschleusen mit Drucklufthaltung erfolgt. Beide Forderungen sollen sicherstellen, dass die Schutzziele, nämlich die Vermeidung des Eintritts von Rauchgasen vom Brandgeschoss in den Treppenraum und die Erreichbarkeit des Treppenraumes, sichergestellt sind. Es werden Hinweise zur Berechnung des erforderlichen Luftvolumenstroms, der im Allgemeinen durch Ventilatoren dem Treppenraum im unteren Bereich zugeführt wird, gegeben und es wird die Druckdifferenz, die im ungünstigsten Fall an den Schleusentüren anstehen darf, festgelegt. Zu äußeren, atmosphärischen Einflüssen, z. B. der Winddruckverteilung am betrachteten Gebäude und der Außentemperatur, von denen die Druckverteilung im Gebäudeinnern abhängt, werden in den Regelwerken keine Angaben gemacht.The invention relates to a method to set a desired one Pressure curve in security stairwells, especially for high-rise buildings. The safety requirements for pressurized ventilation staircases in the Federal Republic of Germany in building regulations specified. The regulations provide that the stairwell from below sufficiently flowed upwards and that access to the staircase via security gates with Compressed air is maintained. Both claims are designed to ensure that the protection goals, namely avoiding the entry of smoke gases from the fire level in the stairwell and the accessibility of the stairwell are. Instructions for calculating the required air volume flow, which is generally ventilated by the stairwell in the lower Area fed is given, and there is the pressure difference, which is the worst Fall on the lock doors may be queued. To outer, atmospheric influences, z. B. the wind pressure distribution on the building under consideration and the outside temperature, on which the pressure distribution inside the building depends no information given in the regulations.
In der Gebrauchsmusterschrift
Nur unter der für die Baupraxis irrelevanten Annahme
großer
Durchlässigkeiten
in der Außenwand
sind die in
Die Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmale gelöst.The object is achieved by the solved in the characterizing part of claim 1 specified features.
Zweckmäßige Ausführungsformen werden durch die Merkmale der Unteransprüche definiert.Appropriate embodiments are by the Characteristics of the subclaims Are defined.
Die Erfindung vermeidet den Nachteil der instabilen Regelung, die sich bei Verwendung der Vorrichtung gemäß der angegebenen Gebrauchsmusterschrift ergibt. Die mit der Erfindung erzielten Vorteile bestehen ferner darin, dass die baupraktischen Randbedingungen – unterschiedliche Undichtigkeiten der Fassaden und Türen – berücksichtigt werden. Zur Einstellung des gewünschten Druckes im Treppenraum ist die Berechnung des Druckfeldes im Gebäude unter Berücksichtigung der Undichtigkeiten, die Kenntnis des vom Brand betroffenen Geschosses und des Druckverlustes an der Drosselklappe, die im Bereich der Abströmöffnung vom Treppenraum zur Atmosphäre am Hochhauskopf eingebaut werden muss, erforderlich.The invention avoids the disadvantage the unstable regulation that arises when using the device according to the specified Utility model font results. The advantages achieved with the invention also consist in the fact that the practical building boundary conditions - different Leaks in the facades and doors - must be taken into account. For setting of the desired one Pressure in the stairwell is the calculation of the pressure field in the building consideration of leaks, knowledge of the floor affected by the fire and the pressure loss at the throttle valve in the area of the outflow opening Stairwell to the atmosphere must be installed on the high-rise head.
Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden, schematischen Zeichnungen näher erläutert.The invention is explained below of an embodiment with reference to the accompanying schematic drawings explained in more detail.
Das in
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002127194 DE10227194A1 (en) | 2002-06-18 | 2002-06-18 | Method to maintain pressure in safety staircase esp. in tall buildings calculates pressure filed within building, taking into consideration unretentiveness, floor on fire, and losses at throttle flap, to secure access |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002127194 DE10227194A1 (en) | 2002-06-18 | 2002-06-18 | Method to maintain pressure in safety staircase esp. in tall buildings calculates pressure filed within building, taking into consideration unretentiveness, floor on fire, and losses at throttle flap, to secure access |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10227194A1 true DE10227194A1 (en) | 2004-01-15 |
Family
ID=29723237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002127194 Ceased DE10227194A1 (en) | 2002-06-18 | 2002-06-18 | Method to maintain pressure in safety staircase esp. in tall buildings calculates pressure filed within building, taking into consideration unretentiveness, floor on fire, and losses at throttle flap, to secure access |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10227194A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013159651A1 (en) * | 2012-04-23 | 2013-10-31 | Qiu Chusheng | Smoke inverse stairs |
EP3626899A1 (en) * | 2018-09-20 | 2020-03-25 | Regli Bernhard | Multi-layer building with secure access and escape routes in case of fire |
-
2002
- 2002-06-18 DE DE2002127194 patent/DE10227194A1/en not_active Ceased
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013159651A1 (en) * | 2012-04-23 | 2013-10-31 | Qiu Chusheng | Smoke inverse stairs |
EP3626899A1 (en) * | 2018-09-20 | 2020-03-25 | Regli Bernhard | Multi-layer building with secure access and escape routes in case of fire |
WO2020056533A1 (en) * | 2018-09-20 | 2020-03-26 | Regli Bernhard | Multi-storey building with secure access routes and escape routes in the event of fire |
CH715361A1 (en) * | 2018-09-20 | 2020-03-31 | Regli Bernhard | Multi-storey building with safe access and escape routes in the event of a fire. |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |
Effective date: 20140429 |