FI20185136A1 - An arrangement and method for preventing shaking damages - Google Patents

An arrangement and method for preventing shaking damages Download PDF

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Publication number
FI20185136A1
FI20185136A1 FI20185136A FI20185136A FI20185136A1 FI 20185136 A1 FI20185136 A1 FI 20185136A1 FI 20185136 A FI20185136 A FI 20185136A FI 20185136 A FI20185136 A FI 20185136A FI 20185136 A1 FI20185136 A1 FI 20185136A1
Authority
FI
Finland
Prior art keywords
habitation
rods
support structure
panels
elastic modulus
Prior art date
Application number
FI20185136A
Other languages
Finnish (fi)
Swedish (sv)
Inventor
Pekka Ihalainen
Original Assignee
Pekka Ihalainen
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 Pekka Ihalainen filed Critical Pekka Ihalainen
Priority to FI20185136A priority Critical patent/FI20185136A1/en
Priority to PCT/FI2019/050122 priority patent/WO2019158823A1/en
Publication of FI20185136A1 publication Critical patent/FI20185136A1/en

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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
    • E04H9/02—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
    • E04H9/028—Earthquake withstanding shelters
    • 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
    • E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
    • 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
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Revetment (AREA)
  • Foundations (AREA)

Abstract

An object of the invention is an arrangement for preventing shaking damages in a habitation (101). The arrangement comprises support piles (100), and a base structure (102) supported by the piles (100) in order to construct the habitation (101). The base structure is of a material having high elastic modulus. The panels (104) are assembled on the base structure (102). The panels are of a material having low elastic modulus. The support structure (106) is fixed onto the base structure (102) and fixed onto the panels (104). The support structure is of a material having high elastic modulus. The described arrangement forms a supporting frame structure around the habitation (101) against shaking damages.

Description

Field of the invention
The invention relates generally to arrangements and methods to prevent 5 earthquakes or other mass disasters from damaging habitations, buildings or other constructions.
Prior art
In prior art embodiments have been presented several mechanical structures which 10 aim to minimize damages in human habitations for example during earthquakes. For example pipes having big diameter have been used but their form is not able to receive shaking forces properly, and they tend to break in certain threshold value forces.
Short description of the invention
An object of the invention is to prevent big shaking forces, for example earthquakes, from breaking human habitations. This is achieved by an arrangement for preventing shaking damages in a habitation. The arrangement comprises support piles, a base structure supported by the piles in order to construct the habitation, the base 20 structure being of a material having high elastic modulus, panels assembled on the base structure, the panels being of a material having low elastic modulus, and a support structure fixed onto the base structure and fixed onto the panels, the support structure being of a material having high elastic modulus, and the described arrangement forming a supporting frame structure around the habitation against 25 shaking damages.
A focus of the invention is also a method of preventing shaking damages in a habitation. In the method is formed a supporting frame structure around the
20185136 PRH 15 -02- 2018 habitation against shaking damages by supporting a base structure by piles in order to construct the habitation, the base structure being of a material having high elastic modulus, and by assembling panels on the base structure, the panels being of a material having low elastic modulus, and by fixing a support structure onto the base 5 structure and onto the panels, the support structure being of a material having high elastic modulus.
The invention is based on an arrangement comprising a base structure, the base structure being of a material having high elastic modulus, and panels assembled on the base structure, the panels being of a material having low elastic modulus, and 10 a support structure fixed onto the base structure and fixed onto the panels, the support structure being of a material having high elastic modulus.
A benefit of the invention is that enables a simple and economical technique to save human habitations and human life under effect of shaking forces, such as for example earthquakes.
A number of exemplifying and non-limiting embodiments of the invention are described in accompanied dependent claims.
Various exemplifying and non-limiting embodiments of the invention both as to constructions and to methods of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific 20 exemplifying and non-limiting embodiments when read in connection with the accompanying drawings.
The verbs “to comprise” and “to include” are used in this document as open limitations that neither exclude nor require the existence of unrecited features. The features recited in dependent claims are mutually freely combinable unless 25 otherwise explicitly stated. Furthermore, it is to be understood that the use of a or an, i.e. a singular form, throughout this document does not exclude a plurality.
20185136 PRH 15 -02- 2018
Brief description of the figures
Exemplifying and non-limiting embodiments of the invention and their advantages are explained in greater detail below in the sense of examples and with reference to the accompanying drawings, in which:
Figure 1 presents an arrangement according to an exemplifying and non-limiting embodiment of the invention.
Figure 2 presents a screw fixing between rods according to an exemplifying and non-limiting embodiment of the invention.
Figure 3 presents attachment parts between rods according to an exemplifying and 10 non-limiting embodiment of the invention.
Figure 4 presents inclinated rods which are fixed to other rods via wide structured attachment parts by using screw fixings according to an exemplifying and nonlimiting embodiment of the invention.
Description of exemplifying and non-limiting embodiments
The invention of so called earthquake frame utilizes modulus differences between different materials. For example, elastic modulus of steel is 210000 MPa and elastic modulus of wood is 6700 MPa. In an arrangement according to the present invention a structure of steel and wood is formed so that steel and wood are securely fastened 20 to each other. Therefore, in a load situation, all power is effectively applied to steel parts. Because of the looseness of wood, there is no force for it.
For example, in an earthquake situation, especially the joining points of structures are under heavy stress. Steel, however, prevents the structure from moving, and thus forces in joining points remain small.
Corner parts are dimensioned so large that the contact surface of steel and wood is so large that the surface pressure remains small and the forces divide into the large area. In order the structure according to the present invention to work well, the steel
20185136 PRH 15 -02- 2018 structure, i.e. steel frame, must be firmly attached to the wooden (or plastic, etc) panels. Rods are added with screws to tighten the frame.
For example earthquake causes the lateral movement back and forth. According to the present invention, especially inclinated rods are between pull and press forces.
Preferably low dimensioned parts can be used which are fixed sufficiently thickly to the panel to prevent buckling. Consequently, load carrying capacity of the inclinated rod is almost equal to both pull forces and press forces.
In a preferred embodiment according to the present invention, rods can be mounted in a cross-shape, whereby the rod on the pull changes according to the vibration 10 direction. In a structure having these dimensions, the press rod can be ignored. In this kind of structure, the arrangement according to the invention can comprise even only one inclinated rod, which can withstand both the pull forces and the press forces. For example, structure of Core Brace steel and concrete rod can be utilized.
In an arrangement according to the present invention, a base structure is built on 15 piles, whereupon panels can be piled up. The base structure can be made of e.g.
steel. The panels can be made of e.g. wood, ceramics and/or plastics. The earthquake frame can be mounted directly on the base panel structure. This is how similar like Faraday's cage is created, which surrounds the edges of the panel structure. This kind of arrangement is light, cheap and easy to install.
Structural steel is preferred to the frame structure due to its properties. According to stretch and tension properties of the structural steel, it is plasticized with sufficient loads. This can be utilized in dimensioning.
The base structure, vertical rods (i.e. sthffeners), horizontal rods (i.e. stiffeners), inclinated rods (i.e. stiffeners) and joints are of e.g. structural steel. The steel parts 25 are fixed to each other preferably by screw joints. The steel parts and the frame panel are fixed to each other with screw joints. The stiffener frame of each side is obtained e.g. with tight strapping screws.
Figures 1-3 present an arrangement according to an exemplifying and non-limiting embodiment of the invention. In figures, screw joints are presented as simply 30 structures. Screw joints are can be dimensioned according to earthquake
20185136 PRH 15 -02- 2018 calculation. In an arrangement for preventing shaking damages in a habitation 101, the arrangement comprises support piles 100 and a base (i.e. bottom) structure 102 supported by the piles 100 in order to construct the habitation 101. The base structure is of a material having substantially high elastic modulus, which is higher 5 than 70 000 Mpa.
Panels 104 are assembled on the base structure 102. The panels are of a material having low elastic modulus, which is lower than 11000 Mpa. A support structure 106 is fixed onto the base structure 102 and fixed onto the panels 104. The support structure is of a material having high elastic modulus, which is higher than 70 000 10 Mpa. The described arrangement forms a supporting frame structure around the habitation 101 against shaking damages.
In one preferred embodiment according to the present invention, the support structure 106 comprises vertical rods 112, horizontal rods 114 and inclinated rods 108. The support structure 106 can comprise inclinated rods 108 having screw 15 fixings 110 for tightening the support structure around the habitation 101. The screw fixings 110 can be dimensioned on the basis of earthquake calculations. The support structure 106, i.e. the rods and joints, can be made of e.g. structural steel.
In one preferred embodiment (Fig.4), the inclinated rods 108 can be fixed to other rods 112, 114 via wide structured attachment parts 116 by using screw fixings 110 20 for tightening the support structure 106 around the habitation 101 and for directing physical (e.g. earthquake) forces from the middle of the habitation 101 to the corners 118. The wide structured attachment parts 116 can be fixed to the panels 104 by using screw joints in order to prevent support structure parts (rods, attachment parts, etc.) from breaking.
The specific examples provided in the description given above should not be construed as limiting the scope and/or the applicability of the appended claims.

Claims (12)

  1. Claims
    1. An arrangement for preventing shaking damages in a habitation (101), characterized in that the arrangement comprises support piles (100), a base structure (102) supported by the piles (100) in order to construct the habitation
    5 (101), the base structure being of a material having high elastic modulus, panels (104) assembled on the base structure (102), the panels being of a material having low elastic modulus, and a support structure (106) fixed onto the base structure (102) and fixed onto the panels (104), the support structure being of a material having high elastic modulus, and the described arrangement forming a 10 supporting frame structure around the habitation (101) against shaking damages.
  2. 2. An arrangement according to claim 1, wherein the support structure (106) comprises vertical rods (112), horizontal rods (114) and inclinated rods (108).
    15
  3. 3. An arrangement according to claim 1, wherein the support structure (106) comprises inclinated rods (108) having screw fixings (110) for tightening the support structure around the habitation (101).
  4. 4. An arrangement according to claim 2, wherein the screw fixings (110) are dimensioned on the basis of earthquake calculations.
    20
  5. 5. An arrangement according to claim 1, wherein the support structure (106) is made of structural steel.
  6. 6. An arrangement according to claim 2, wherein the inclinated rods (108) are fixed to other rods (112, 114) via wide structured attachment parts (116) by using screw fixings (110) for tightening the support structure (106) around the
    25 habitation (101) and for directing physical forces from the middle of the habitation (101) to the corners (118).
  7. 7. Method of preventing shaking damages in a habitation (101), characterized in that in the method is formed a supporting frame structure around the habitation (101) against shaking damages by supporting a base structure by piles (100) in order to construct the habitation (101), the base structure being of a material having high elastic modulus, and by assembling panels (104) on the base structure (102), the panels being of a material having low elastic modulus, and by fixing a support structure (106) onto the base structure (102) and onto the panels (104), the support structure being of a material having high elastic modulus.
  8. 8. A method according to claim 7, wherein the habitation is being supported by vertical rods (112), horizontal rods (114) and inclinated rods (108).
  9. 9. A method according to claim 8, wherein the inclinated rods (108) are tightened around the habitation (101).
  10. 10. A method according to claim 9, wherein the the inclinated rods (108) are tightened around the habitation (101) by using screw fixings (110) which are dimensioned on the basis of earthquake calculations.
  11. 11. A method according to claim 7, wherein the support structure (106) is made of structural steel.
  12. 12. A method according to claim 8, wherein the inclinated rods (108) are fixed to other rods (112, 114) via wide structured attachment parts (116) by using screw fixings (110) for tightening the support structure (106) around the habitation (101) and for directing physical forces from the middle of the habitation (101) to the comers (118).
FI20185136A 2018-02-15 2018-02-15 An arrangement and method for preventing shaking damages FI20185136A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20185136A FI20185136A1 (en) 2018-02-15 2018-02-15 An arrangement and method for preventing shaking damages
PCT/FI2019/050122 WO2019158823A1 (en) 2018-02-15 2019-02-15 An arrangement and method for preventing shaking damages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185136A FI20185136A1 (en) 2018-02-15 2018-02-15 An arrangement and method for preventing shaking damages

Publications (1)

Publication Number Publication Date
FI20185136A1 true FI20185136A1 (en) 2019-08-16

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Application Number Title Priority Date Filing Date
FI20185136A FI20185136A1 (en) 2018-02-15 2018-02-15 An arrangement and method for preventing shaking damages

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FI (1) FI20185136A1 (en)
WO (1) WO2019158823A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113982313B (en) * 2021-12-03 2022-10-11 浙江汇创设计集团有限公司 Fabricated building earthquake-resistant reinforcing structure and construction method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215340B (en) * 1960-06-24 1966-04-28 Alexander Zugehoer Dipl Ing Reinforcement framework, especially for air raid shelters
US6389761B1 (en) * 1998-01-23 2002-05-21 Mckinnon Ian Earthquake resistant support structure
AT411609B (en) * 2002-09-16 2004-03-25 Dolinsek Rene Dipl Ing BUILDING OR Prefabricated house in modular steel skeleton construction
US20130145702A1 (en) * 2011-12-08 2013-06-13 Yoshikazu Oba Earthquake-Resistant Structure and Earthquake-Resistant Construction Method

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Publication number Publication date
WO2019158823A1 (en) 2019-08-22

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