EP3347535A1 - Système de construction comportant une ossature résistant à la charge et faite de béton armé ou d'acier intégrée à des panneaux de remplissage en bois - Google Patents

Système de construction comportant une ossature résistant à la charge et faite de béton armé ou d'acier intégrée à des panneaux de remplissage en bois

Info

Publication number
EP3347535A1
EP3347535A1 EP16797657.0A EP16797657A EP3347535A1 EP 3347535 A1 EP3347535 A1 EP 3347535A1 EP 16797657 A EP16797657 A EP 16797657A EP 3347535 A1 EP3347535 A1 EP 3347535A1
Authority
EP
European Patent Office
Prior art keywords
panels
reinforced concrete
frame
infill
steel
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
Application number
EP16797657.0A
Other languages
German (de)
English (en)
Other versions
EP3347535B1 (fr
Inventor
Alberto VISKOVIC
Donatella RADOGNA
M. Cristina FORLANI
Manuela ROMANO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Degli Studi G Dannunzio Chieti Pescara, University of
Universita' Degli Studi "G D 'Annunzio" Chieti-Pescara
Original Assignee
Degli Studi G Dannunzio Chieti Pescara, University of
Universita' Degli Studi "G D 'Annunzio" Chieti-Pescara
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 Degli Studi G Dannunzio Chieti Pescara, University of, Universita' Degli Studi "G D 'Annunzio" Chieti-Pescara filed Critical Degli Studi G Dannunzio Chieti Pescara, University of
Publication of EP3347535A1 publication Critical patent/EP3347535A1/fr
Application granted granted Critical
Publication of EP3347535B1 publication Critical patent/EP3347535B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • 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
    • E04H9/0237—Structural braces with damping devices
    • 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
    • E04H9/024—Structures with steel columns and beams
    • 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
    • E04H9/025—Structures with concrete columns
    • 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
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/165—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with elongated load-supporting parts, cast in situ
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2481—Details of wall panels
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2496—Shear bracing therefor
    • 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
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2002/7496—Removable non-load-bearing partitions; Partitions with a free upper edge using wedges to level or hold the partition in place

Definitions

  • the present invention concerns un construction system with a supporting framework made of reinforced concrete or steel, integrated with infill panels made of wood.
  • the invention regards the field of buildings and in particular defines a technical sector shared between that of non-structural infills for framed buildings (made of reinforced concrete or steel) and the field of supporting panels made of cross-laminated wood.
  • the invention concerns the performance improvement of the systems with supportino frame made of reinforced concrete and steel, new or pre-existent, through the use of dry-layered infills (in the specific case, made of cross-laminated wood with additionally possible layers of external and internal finishing, possible insulation layers, vapor barrier, etc.).
  • dry-layered infills in the specific case, made of cross-laminated wood with additionally possible layers of external and internal finishing, possible insulation layers, vapor barrier, etc.
  • the building structures made of reinforced concrete or steel are provided with external and internal infills (the expression internal infills designates the infills of the stairwells and the partition walls between different properties) made of masonry of hollow blocks made of bricks or concrete.
  • the internal partitions and sometime the internal linings of the external infills are made by hollow blocks of bricks or by chalk blocks.
  • blocks made of hollow bricks forato or concrete or chalk leads to an elastic-fragile behavior of the partitions and infills.
  • the infills are not particularly weak in relation to the resistances of the main frame, or the infills are for some reason stronger than the average, the risk of serious structural damage to the main frame emerges and in particular the risk of shear breakage of the columns emerges, caused by the same infills.
  • the horizontal actions trigger a tilted strut resistance mechanism in the infill, which concentrates the shear stresses at the ends of the columns, in the area of connection with the beams.
  • braces are made taking appropriate geometries and/or by inserting suitable elastic-plastic devices. Consequently, in case of strong seismic actions, some elements of these braces are "damaged" to ensure the necessary "plastic deformations" and must be replaced.
  • the flexural strength (and hence the tensile strength) and the cutting strength of a vertical wall which is formed by overlapping panels has its own weaknesses in the joints between these panels.
  • the tensile stresses are transmitted through connections that employ steel plates riveted or bolted or simply screwed to the wood panels, with consequent concentration of efforts and damage in case of seismic actions.
  • the present invention which aims to achieve two objectives, structural and environmental: improving the seismic and energy behavior of buildings (made of reinforced concrete or steel or wood), new or pre-existing, intervening on the construction technique and on the material of the vertical paneling/infills, thereby determining performance improvements also in respect of other classes of needs that, together with the structural safety and wellness/comfort temperature and humidity, can implement the possibilities and the qualities of use of buildings.
  • the dry implementation together with the use of the wood material, allows, moreover, an optimization of the possibilities of use and re-use (recycling of the material, reuse of the construction system, adaptability to requirements of use of the constructed system).
  • Purpose of the present invention is therefore to provide a construction system with a supporting framework in reinforced concrete and in steel integrated with infill panels made of wood which overcomes the limits of the construction system with a supporting framework in reinforced concrete and in steel according to the prior art and to obtain the technical results previously described.
  • Another aim of the invention is that said construction system can be made with substantially limited costs, both as regards production costs and as regards the management costs.
  • Another object of the invention is to propose a construction system with a supporting framework in reinforced concrete and steel integrated with infill panels made of wood that is simple, safe and reliable.
  • said infill panels are made of laminated wood.
  • said infill panels are made of cross-laminated wood.
  • said infill panels can be integrated in a frame.
  • the increased local ductility of the wood compared to conventional infills materials, also allows a better distribution of pressure on the columns, thus avoiding dangerous concentrations of shear stresses at the ends of the same.
  • the wooden constructional packages allow to obtain, with a considerably reduced thickness, a good winter thermal insulation; the transmittance values are in fact far below regulatory limits and the average values of structures built with other materials.
  • the phase shift values and thermal wave attenuation values in summer months although not reaching the 16 hours of phase shift and 20 Fa of the brick wall, stood at around 11 hours and 23 Fa, returning in optimal intervals prescribed by the regulations and then allowing to sufficiently dampen the incoming energy.
  • FIG. 1 shows a perspective view of an infill panel inserted in a frame of reinforced concrete according to the present invention
  • FIG. 2 shows a perspective view of a detail of the panel and the frame of Figure 1 , during assembly
  • FIG. 3 shows a perspective view of a further detail of the panel and the frame of Figure 1 , during assembly
  • FIG. 4 shows a plan sectional view of a detail of the panel and the frame of Figure 1 , assembled
  • FIG. 5 shows a plan sectional view of a covering panel inserted in a frame made of steel according to the present invention, assembled
  • FIG. 6 shows a plan view of the load-bearing structure of a building, in which some wooden infill panels are inserted, according to the present invention
  • FIG. 7 shows a representative model of the displacements in the horizontal direction of the elements of the frame made of reinforced concrete of a building, with brick panels as infills, for comparative purposes,
  • FIG. 8 shows a representative model of the displacements in the vertical direction of the elements of the frame made of reinforced concrete of a building, with brick panels as infill, for comparative purposes,
  • FIG. 9 shows a representative model of the displacement in the horizontal direction of the elements of the frame made of reinforced concrete of a building, with cross-laminated wood panels as infill, according to the present invention
  • FIG. 10 shows a representative model of the displacements in the vertical direction of the elements of the frame made of reinforced concrete of a building, with cross-laminated wood panels as infill, according to the present invention
  • FIG. 11 shows a representative model of the stress state of the reinforced concrete columns of the frame of a building, with brick panels as infill, for comparative purposes, and
  • FIG. 12 shows a representative model of the stress state of the frame-reinforced concrete columns of a building, with cross-laminated wood panels as infill, according to the present invention.
  • the present invention is essentially based on the replacement of infill elements made of bricks with infill elements made of wood; the elements having sometimes structural reinforcement function, as in the case of the bracing elements, made of laminated wood panels and preferably of laminated wood with glued crossed lamellas, such as the panel marketed by KLH with the name X-Lam; and sometimes with perimeter infill function and partition walls, as in the case of elements of external and internal vertical closing.
  • the bracing elements within the load-bearing skeleton of a building, are configured as special constraints that prevent the structure to carry out a displacement or a rotation due to a horizontal force induced by seismic events of average and high intensity.
  • the use of dry-layered infills allows easy redistribution of the environments, improving the flexibility of the plant and allowing to adapt the system to the different possibilities of use, while the inclusion of perimeter wooden infills contributes to improving the energy performance of the building envelope.
  • the earthquake resistant infills made of laminated wood with crossed lamellae have to be positioned symmetrically and uniformly distributed both in plan and elevation, so as to counter the torsional motions of the building in case of side actions.
  • the wooden panels made of cross laminated wood must be forcedly placed along the entire perimeter inside frames made of reinforced concrete or steel of buildings already existing or to be realized.
  • the wooden panels preferably made of laminated wood and more preferably made of cross- laminated wood, must be, regardless the adopted method of laying in work, inserted forcedly and without play, all along their perimeter, within the field of the frame (made of reinforced concrete or steel) in which they are inserted.
  • FIG. 1 it is shown, for purposes of example only and not of limitation, a simple embodiment of the present invention, in which a wooden panel, indicated by the reference number 10, is laid in place and forcedly put all around its perimeter in a frame 11 made of reinforced concrete, consisting of columns 12 and beams 13, according to a very simple and generic method, used by way of example but not of limitation of the present invention, by means of a wooden counter-frame 14.
  • the panel 10 is in turn integrated in a frame 15, also made of wood.
  • the forced insertion of the panel 10 is obtained, by way of example and not of limitation, by inserting between the panel 10, or better between the frame 15 of the panel 10 and the counter-frame 14, a plurality of wedges 16.
  • figure 1 and figure 4 show the constituent elements of the construction system according to the present invention subsequently to the forced insertion, with wedges 16 tightly packed between the counter-frame 14 of the building structure and the frame 15 of the panel 10, and figure 2 and figure 3 show the same items before forced insertion.
  • This particular embodiment of the present invention is very similar to that of installation of the doors, with the difference in that, while between the frames and the counter-frames it is sufficient to put four wedges, two for each vertical upright, according to the present invention putting into force must be made all along the perimeter of the panel 10, with the exception of the base (automatically forced by putting into force the upper side 10 of the same panel), through a suitable number of wedges 16.
  • Figure 4 shows how the panel 10 is made integral with the frame 15 due to the action of coupling effected by screws 17, which preferably may be double thread screws 17.
  • the counter- frame 14 also is made integral with the column 12 made of reinforced concrete due to the effect of the coupling action operated by respective screws 18.
  • Figure 5 very similar to figure 4, presents the difference that the supporting skeleton of the building is made of steel, so that, instead of the column 12 made of reinforced concrete shown in figure 4, in figure 5 a column 20 of steel with double-T type profile is shown.
  • the restoration project was an important case study on which it was possible to analytically verify the effective functioning of the proposed solution, verifying how with this intervention it is possible to achieve a substantial improvement in the overall seismic behavior of the structure.
  • the area forming object of study consists of six buildings arranged as a court and having 3 and 4 floors above ground.
  • the six buildings have same construction-structural characteristics: rectangular plan with a size of 39,3m in the X direction and 12m in the Y direction and an elevation above ground of 3 and 4 floors with a height of 11 ,3m and 14,1 m.
  • the load bearing structure made of reinforced concrete frame, is made up of columns with a size of 30x60cm and beams which can be divided into emerging beams 30x50cm and beams with 60x30cm thickness.
  • the typical deck is made with floors in brick-concrete, consisting of rows of perforated brick blocks and reinforced concrete joists with overhanging cooperative slab and transverse warp at the lower side of the building.
  • the infills instead are made in hollow brick and chalk blocks.
  • FIG. 6 in which there is shown a plan view of the load-bearing structure of one of the buildings, the panels 10, constituting bracing walls, realized in cross- laminated wood X-Lam, were arranged symmetrically and uniformly distributed in plan and in elevation, thereby reducing the tendency of the structure to twist due to side actions induced by an earthquake.
  • the analysis made was of the dynamic linear type with acceleration spectrum response. Through the analysis it was possible to evaluate, in terms of deformation and even better in terms of participants masses, the substantial differences in the behavior of the frames of reinforced concrete infilled with brick panels (referred to in the figures 7 and 8, respectively, as about the displacement in the X direction and the displacement in the Y direction) and of reinforced concrete frames infilled with panel of cross- laminated wood X-Lam (referred to in figures 9 and 10, respectively, with respect to the displacement in the X direction and the displacement in Y direction).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

La présente invention concerne un système de construction comportant une nouvelle ossature de support ou une ossature de support préexistante, faite de béton armé ou d'acier et qui est intégrée à des panneaux de remplissage (10) en bois, ladite ossature de support étant constituée par une ossature (11) de colonnes (12) et de poutres (13), caractérisée en ce que lesdits panneaux de remplissage (10) sont insérés par force et sans jeu dans un ou plusieurs champ(s) de l'ossature (11) de la structure, sur l'ensemble de leur périmètre.
EP16797657.0A 2015-09-09 2016-09-09 Systéme de construction avec cadre en beton armé ou en acier avec panneau de remplissage en bois Active EP3347535B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A003496A ITUB20153496A1 (it) 2015-09-09 2015-09-09 Sistema costruttivo ad ossatura portante in calcestruzzo armato o in acciaio integrato con pannelli di tamponatura in legno.
PCT/IT2016/000207 WO2017042848A1 (fr) 2015-09-09 2016-09-09 Système de construction comportant une ossature résistant à la charge et faite de béton armé ou d'acier intégrée à des panneaux de remplissage en bois

Publications (2)

Publication Number Publication Date
EP3347535A1 true EP3347535A1 (fr) 2018-07-18
EP3347535B1 EP3347535B1 (fr) 2019-11-06

Family

ID=54705764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16797657.0A Active EP3347535B1 (fr) 2015-09-09 2016-09-09 Systéme de construction avec cadre en beton armé ou en acier avec panneau de remplissage en bois

Country Status (4)

Country Link
US (1) US20180245340A1 (fr)
EP (1) EP3347535B1 (fr)
IT (1) ITUB20153496A1 (fr)
WO (1) WO2017042848A1 (fr)

Cited By (1)

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CN110056100A (zh) * 2019-05-05 2019-07-26 吉林建筑大学 一种预应力装配式剪力墙、变刚度减震结构体系及其工法

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CN108468397B (zh) * 2018-04-20 2019-09-03 青岛理工大学 装配式自恢复耗能型双钢板开缝剪力墙结构
CN112726881B (zh) * 2020-12-30 2022-07-01 湖北正浩建设集团有限公司 钢混结构建筑的填充墙结构及其施工方法
US11898341B2 (en) 2021-08-16 2024-02-13 Greencore Structures Ltd. Building core and kit for assembly
CN115045417B (zh) * 2022-06-13 2023-06-06 海南大学 一种装配式延性耗能剪力墙结构

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Also Published As

Publication number Publication date
ITUB20153496A1 (it) 2017-03-09
US20180245340A1 (en) 2018-08-30
WO2017042848A1 (fr) 2017-03-16
EP3347535B1 (fr) 2019-11-06

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