WO2020096473A1 - Connecteur pour système de protection contre les explosions destiné à des constructions - Google Patents

Connecteur pour système de protection contre les explosions destiné à des constructions Download PDF

Info

Publication number
WO2020096473A1
WO2020096473A1 PCT/PT2019/050042 PT2019050042W WO2020096473A1 WO 2020096473 A1 WO2020096473 A1 WO 2020096473A1 PT 2019050042 W PT2019050042 W PT 2019050042W WO 2020096473 A1 WO2020096473 A1 WO 2020096473A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
outer body
inner body
protection
explosion
Prior art date
Application number
PCT/PT2019/050042
Other languages
English (en)
Portuguese (pt)
Inventor
Gabriel De Jesus GOMES
Vitor Manuel Martins PEREIRA
Eduardo Nuno Brito Santos JÚLIO
Original Assignee
Instituto Superior Técnico
Academia Militar
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Instituto Superior Técnico, Academia Militar filed Critical Instituto Superior Técnico
Publication of WO2020096473A1 publication Critical patent/WO2020096473A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • E04B2/90—Curtain walls comprising panels directly attached to the structure
    • E04B2/94—Concrete panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F16F7/125—Units with a telescopic-like action as one member moves into, or out of a second member
    • F16F7/126—Units with a telescopic-like action as one member moves into, or out of a second member against the action of shear pins; one member having protuberances, e.g. dimples, ball bearings which cause the other member to deform
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0208—Alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0241—Fibre-reinforced plastics [FRP]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2234/00—Shape
    • F16F2234/02—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F16F7/124—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by their special construction from fibre-reinforced plastics

Definitions

  • the present disclosure inserted in the technical field of civil engineering, refers to a system of protection of buildings, in particular buildings, against explosions that comprises a prefabricated reinforced concrete facade panel or other material with adequate capacity to deform by dissipating energy, connected to the building structure through connectors capable of absorbing energy from explosions, thus significantly reducing the actions transmitted to the structure and redistributing them at the floor level.
  • FRPs offer great benefits as a masonry reinforcement technique, allowing to increase the flexural strength outside the plane.
  • the problem is that none of these systems truly solves the issue of vulnerability, possible local collapse and the potential global collapse of the structure.
  • the achievements presented here allow to absorb part of the energy of the explosion and to redistribute the remainder by the overall structure, at the floor level. In this way, it transforms it into an action equivalent to seismic or wind action, regulatory actions for which the structures are already dimensioned, protecting the supporting elements and ensuring structural stability. In addition, and not least, they also allow to mitigate the projection of fragments resulting from fragile elements normally contained in façades, as it functions as an encapsulation system.
  • the present disclosure refers to a system that dissipates energy from explosions that falls within the technical domain of Civil Engineering.
  • a connector for a building protection system against explosions comprising: a heatsink to absorb the energy of the explosion by plastic deformation; an interior body comprising a base and one or more side surfaces for containing the heatsink; an outer body comprising a base and side surface for containing and enveloping the inner body; wherein the inner body and the outer body are fitted in a linearly slidable way and are blocked from separating the inner body and the outer body.
  • the connector for protecting buildings from explosions comprises a guide for linear fitting of the inner body to the outer body.
  • said guide comprises a groove in the inner body or in the outer body and a pin to slide linearly in said groove, respectively, in the outer body or in the inner body so that the inner body and the outer body fit together. linearly sliding and blocked form to separate the interior and exterior body.
  • the heatsink is tubes arranged transversely to the linearly sliding fitting movement between the inner body and the outer body.
  • said heatsink is thin-walled tubes with a circular, hexagonal or equivalent section.
  • the sections can be filled with foam, preferably metallic foam.
  • Said tubes may have a tubular section, open or closed, with a thin, empty wall or filled with metal foams or other material with plastic deformation capacity.
  • Said tubes may contain additional tubes inside, with the same or different diameter, which in turn, they may contain other tubes, with the same or different diameter.
  • the heatsink is metallic, in particular aluminum alloys, mild steel (from English: mild Steel), or fiber reinforced composites (FRC).
  • the connector comprises one or more holes for fixing.
  • the connector comprises a cutting element to drive the metal structure.
  • a system for protecting buildings against explosions which comprises a facade panel and a plurality of connectors in which the panel is coupled to the plurality of connectors for supporting said panel.
  • the building protection system against explosions comprises the reinforced concrete facade panel.
  • Figure 1 represents an embodiment of an exemplary detail of the energy absorption connector in which:
  • Figure 2 perspective of an embodiment of the present invention in which:
  • Figure 3 schematic representation of realizations with possible combinations of tubes for placement in the connector housing, in which the figures in the figure correspond to the size of the tubes in mm.
  • Figure 4 schematic representation of realizations of types of boxes.
  • Table 1 Projects with the dimensions of each type of box
  • Table 2 Main properties of the materials used in the present invention (according to the supplier).
  • the present disclosure makes it possible to keep the cladding panel without direct contact with the elements to be protected, using dissipating supports at floor level, with a sufficient stroke to accommodate (by compression) the intensity of a given explosion.
  • the advantages of the present realizations are evident, both in the protection of critical elements, and because it allows the use of the space between the cladding panel and the structure for thermal and / or acoustic insulation.
  • the cladding panel acts on the supports, which by compression begin to deform the material contained within. This process allows the partial or total absorption of the energy transmitted by the explosion, depending on its magnitude and the
  • the connectors are formed by a metallic box, with two parts (1,3), thin-walled tubular elements, metallic or other ductile material, in number and variable geometry (5) , placed inside said box.
  • the shortening of the box without dimensional variation in the orthogonal directions is guaranteed by a guide system (2,4) whose linear dimension represents the available stroke for dissipation.
  • the shortening of the connector exploits the plastic deformation capacity of the preferably tubular elements, confined by the box.
  • the aforementioned guide system also limits the maximum widening, preventing the facade panel from falling out of the building due to the negative phase of the shock wave (suction).
  • the connector preferably also includes a hole for placing a retaining pin (6), dimensioned to work by cutting, when a certain level of stress is exceeded. Its insertion in the connector prevents it from shortening due to actions other than explosion. Together with the guide screw (4), it simultaneously maintains the exterior alignment of the facade panels. Finally, the connector preferably has a hole for fixing it to the facade panel (7), ensuring the cohesion of the system.
  • SP Protection System
  • CAE Energy Absorption Connectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

L'invention concerne un connecteur pour la protection de constructions contre des explosions, comprenant : un dissipateur (5) pour l'absorption de l'énergie de l'explosion par déformation plastique; un corps intérieur (3) qui comprend une base et une ou plusieurs surfaces latérales destinées à contenir le dissipateur; un corps extérieur (1) qui comprend une base et une surface latérale destinée à contenir et envelopper le corps intérieur; les corps intérieur (3) et extérieur (1) étant emboîtés de manière linéairement coulissante et bloquée par rapport à la séparation du corps intérieur et extérieur. Le connecteur comprend en outre un guide (2) destiné à l'emboîtement linéaire du corps intérieur (3) sur le corps extérieur (1). Le guide (2) comporte une rainure sur le corps intérieur (3) ou sur le corps extérieur (1) et une tige (4) destinée à coulisser linéairement sur ladite rainure, respectivement, sur le corps extérieur (1) ou intérieur (3). Ledit connecteur présente en outre un ou plusieurs orifices de fixation (7) et un élément de coupe (6).
PCT/PT2019/050042 2018-11-07 2019-11-05 Connecteur pour système de protection contre les explosions destiné à des constructions WO2020096473A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT115138A PT115138B (pt) 2018-11-07 2018-11-07 Conector para sistema de proteção de construções contra explosões e referido sistema
PT115138 2018-11-07

Publications (1)

Publication Number Publication Date
WO2020096473A1 true WO2020096473A1 (fr) 2020-05-14

Family

ID=69024575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PT2019/050042 WO2020096473A1 (fr) 2018-11-07 2019-11-05 Connecteur pour système de protection contre les explosions destiné à des constructions

Country Status (2)

Country Link
PT (1) PT115138B (fr)
WO (1) WO2020096473A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022038582A1 (fr) * 2020-08-21 2022-02-24 Universidade Nova De Lisboa Connecteur dissipateur d'énergie d'explosions

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280752A1 (fr) * 1974-08-01 1976-02-27 Saint Gobain Systeme de fixation d'elements de facade legere sur l'ossature d'un batiment
GB2201183A (en) * 1987-02-20 1988-08-24 Heinrich Salzer Explosion-resistant glazing
KR101697753B1 (ko) * 2016-07-12 2017-01-18 주식회사 힐 엔지니어링 보호커버가 구비된 강성 조절형 이력 댐퍼
CN108583485A (zh) * 2018-05-25 2018-09-28 大连理工大学 一种多胞金属基碳纤维复合薄壁吸能结构及其制备工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280752A1 (fr) * 1974-08-01 1976-02-27 Saint Gobain Systeme de fixation d'elements de facade legere sur l'ossature d'un batiment
GB2201183A (en) * 1987-02-20 1988-08-24 Heinrich Salzer Explosion-resistant glazing
KR101697753B1 (ko) * 2016-07-12 2017-01-18 주식회사 힐 엔지니어링 보호커버가 구비된 강성 조절형 이력 댐퍼
CN108583485A (zh) * 2018-05-25 2018-09-28 大连理工大学 一种多胞金属基碳纤维复合薄壁吸能结构及其制备工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022038582A1 (fr) * 2020-08-21 2022-02-24 Universidade Nova De Lisboa Connecteur dissipateur d'énergie d'explosions

Also Published As

Publication number Publication date
PT115138A (pt) 2020-05-07
PT115138B (pt) 2021-12-06

Similar Documents

Publication Publication Date Title
Wu et al. Blast testing of aluminum foam–protected reinforced concrete slabs
Constantinou et al. Seismic response of structures with supplemental damping
US7707788B2 (en) Buckling restrained brace for structural reinforcement and seismic energy dissipation and method of producing same
Vargas et al. Experimental response of buildings designed with metallic structural fuses. II
US20120204509A1 (en) Method and structure for damping movement in buildings
CN108894360A (zh) 装配式内嵌阻尼夹层双钢板混凝土组合剪力墙及其安装方法
ITRM960729A1 (it) Supporto integrato di isolamento sismico nella direzione orizzontale e verticale
US8857111B2 (en) Composite damper
KR101297416B1 (ko) 외부 부착형 제진 댐퍼 시스템 및 이의 시공방법
BR112016022350B1 (pt) Aparelho e método para a proteção de um módulo usado em um poço
US8464477B2 (en) Seismic base isloation and energy dissipation device
Lee et al. Seismic retrofit of structures using steel honeycomb dampers
WO2020096473A1 (fr) Connecteur pour système de protection contre les explosions destiné à des constructions
Lian et al. Seismic testing and numerical analysis of Y‐shaped eccentrically braced frame made of high‐strength steel
Madsen et al. Seismic response of building structures with dampers in shear walls
Mahjoubi et al. Pipe dampers as passive devices for seismic control of isolated bridges
Aye et al. Comparative Study on Seismic Response of RC Structure Using Viscous Dampers and Viscoelastic Dampers
Aghlara et al. Comparative study of eight metallic yielding dampers
Ziyaeifar Method of mass isolation in seismic design of structures
Constantinou Principles of Friction, Viscoelastic., Yielding Steel and Fluid Viscous DAMPERS: Properties and Design
WO2022038582A1 (fr) Connecteur dissipateur d'énergie d'explosions
VASEGHI et al. Effect of the height increasing on steel buildings retrofitted by buckling restrained bracing systems and TTD damper
Krauthammer et al. Blast-induced response of moment connections
KR101478660B1 (ko) 중력지지형 감쇠장치를 이용한 다이아그리드 제진시스템
Shiram et al. Energy Dissipation in Buildings using Buckling Restrained Bracings.(BRB)–A Review

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19828348

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19828348

Country of ref document: EP

Kind code of ref document: A1