US20090013619A1 - Earthquake resistant house - Google Patents
Earthquake resistant house Download PDFInfo
- Publication number
- US20090013619A1 US20090013619A1 US12/172,897 US17289708A US2009013619A1 US 20090013619 A1 US20090013619 A1 US 20090013619A1 US 17289708 A US17289708 A US 17289708A US 2009013619 A1 US2009013619 A1 US 2009013619A1
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- United States
- Prior art keywords
- assembly
- movement
- dampening
- base
- members
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- 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.)
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- 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
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
An earthquake resistant structure includes a structure base assembly and a building structure positioned on the structure base assembly. The earthquake resistant structure includes a base isolation assembly which carries the building structure and structure base assembly, wherein the base isolation assembly includes a movement member and horizontal dampening member which allow the building structure and structure base assembly to move in response to an applied force, such as from an earthquake.
Description
- This application claims priority to U.S. Provisional Application No. 60/949,613 filed on Jul. 13, 2007, the contents of which are incorporated herein by reference.
- 1. Field of the Invention
- This invention relates generally to buildings and, more particularly, to buildings designed to be resistant to earthquakes.
- 2. Description of the Related Art
- Particular geographical areas are known to suffer from earthquakes. Generally, earthquake-prone areas are near a geological fault in the earth's tectonic plates. For example, in the United States, California is prone to earthquakes because it runs along the San Andreas fault. The damage to buildings from earthquakes is costly and it is inconvenient and time consuming to rebuild. Additionally, people are often injured from total or partial collapse of a building and from falling pieces of the building during an earthquake.
- To reduce earthquake injuries and building damage, people have used many different types of earthquake-resistant structures and construction techniques. For example, passive damping construction techniques may be used to absorb shaking energy within a building during an earthquake. Passive damping includes using building materials that deform, but will not break during an earthquake. Diagonal bracing is used to resist the shearing forces from the swaying of a building. However, these techniques may limit the materials and designs used for a building structure. For example, it is difficult to determine the amount of deformation that can be allowed in a building material, because using a material with too much deformation can affect the strength of a building's structure. Additionally, a building design with too much diagonal bracing may not be aesthetically appealing to a building owner, or may limit the use of other standard materials during the building construction. Thus, there is a need for an earthquake-resistant building support that absorbs the shaking from an earthquake while allowing the use of standard building materials and designs.
- The present invention provides an earthquake resistant structure, which includes a structure base assembly and a building structure positioned on the structure base assembly. The earthquake resistant structure includes a base isolation assembly, which carries the building structure and structure base assembly, wherein the base isolation assembly includes a movement member and horizontal dampening member which allow the building structure and structure base assembly to move in response to an applied force. In some embodiments, the movement member is a spherical ball and in some embodiments, the horizontal dampening member is a spring. The spring is compressed and decompressed in response to movement of the movement member. The base isolation assembly can include a cell which contains the movement member.
- The present invention provides an earthquake resistant structure, which includes a structure base assembly having a plurality of interior and exterior walls connected together to form a plurality of volumes and a building structure positioned on the structure base assembly. The earthquake resistant structure includes a base isolation assembly, which carries the building structure and structure base assembly. The base isolation assembly includes a plurality of movement assemblies positioned in a corresponding volume, each movement assembly including a support grid and a plurality of movement members and a plurality of dampening assemblies, each dampening assembly including a plate which carries a plurality of vertical dampening members.
- Further features and advantages of the invention will be apparent to those skilled in the art from the following detailed description, taken together with the accompanying drawings.
-
FIG. 1 a is a top perspective view of an earthquake-resistant structure, in accordance with the invention. -
FIG. 1 b is a top perspective view of a structure base assembly and base isolation assembly, in accordance with the invention, included in the earthquake resistant structure ofFIG. 1 a. -
FIGS. 2 a and 2 b are a top perspective view and a bottom view of a structure base assembly, in accordance with the invention, included in the earthquake resistant structure ofFIG. 1 a. -
FIGS. 3 a and 3 b are top perspective views of a dampening assembly and a movement assembly, respectively, in accordance with the invention. -
FIG. 3 c is a sectional top view ofmovement assembly 111, in accordance with the invention. -
FIG. 3 d is a cutout view of movement assembly, taken along line 117 inFIG. 3 c, in accordance with the invention. -
FIGS. 4 a and 4 b are a top perspective view and a bottom view of a middle plate assembly, in accordance with the invention, included in the base isolation assembly ofFIGS. 1 a and 1 b. -
FIG. 5 is a top perspective view of a bottom plate assembly, in accordance with the invention, included in the base isolation assembly ofFIGS. 1 a and 1 b. -
FIGS. 6 a and 6 b are a sectional side view and an exploded sectional side view, respectively, of structure base assembly and base isolation assembly, as viewed from line onFIG. 1 b, in accordance with the invention. -
FIG. 1 a is a top front perspective view of an earthquakeresistant structure 100, in accordance with the invention. Earthquakeresistant structure 100 includes abuilding structure 101 positioned on astructure base assembly 102, whereinbuilding structure 101 and thestructure base assembly 102 are both carried by abase isolation assembly 103.Base isolation assembly 103 is positioned on the ground or another stationary object. In accordance with the invention, thebuilding structure 101 andstructure base assembly 102 are moveable in relation tobase isolation assembly 103, as described in more detail below. In this way,building structure 101 andstructure base assembly 102 are moveable relative tobase isolation assembly 103 in response to an earthquake. Hence,building structure 101 andstructure base assembly 102 are moveable relative to the ground. - During an earthquake, the forces and movement from the shaking of the earth are transmitted to
base isolation assembly 103. Hence,base isolation assembly 103 will shake and transmit forces and movement to buildingstructure 101 andbase 102. These forces and movement can damagebuilding structure 101 and cause harm to the people and valuables contained therein. In accordance with the invention,base isolation assembly 103 includes movement members to allow movement ofbase isolation assembly 103 relative tobase 102 andbuilding structure 101.Isolation assembly 103 also includes dampening members to reduce the forces transmitted frombase isolation assembly 103 tobase 102 andbuilding structure 101. By allowingbase isolation assembly 103 to move relative to and by reducing the forces transmitted tobase 102 andbuilding structure 101, this reduces the likelihood thatbuilding structure 101 will be damaged by the earthquake and provides better protection for the people and valuables instructure 101. This feature will be discussed in more detail below. -
FIGS. 2 a and 2 b are front perspective and bottom views, respectively, ofstructure base assembly 102.Structure base assembly 102 includes ahouse plate 105 that supports and is connected tostructure 101.House plate 105 can be of many types, but here it is a single flat surface and rectangular.Structure base assembly 102 includesupper carrier 108 positioned on the bottom ofplate 105.Upper carrier 108 includesexterior walls interior walls bottom surfaces plate 105.Surfaces 105 a-f can be of many types. In this embodiment, they consist of four substantially square surfaces (105 a, c, d, and f) and two rectangular surfaces (105 b and 105 e).Volumes bottom surfaces 105 a-f, as shown inFIG. 2 b. For example,volume 106 a is bounded bywalls surface 105 a.Upper carrier 108 also includes a dampeningassemblies 110 a-f and amovement assemblies 111 a-f (SEEFIGS. 1 a, 6 a and 6 b). Volumes 106 a-f ofupper carrier 108 are provided to contain the dampeningassemblies 110 a-f andmovement assemblies 111 a-f, as will be discussed presently. -
FIG. 3 a is a perspective view of a dampeningassembly 110 in accordance with the invention. Dampeningassembly 110 includes dampeningmembers 113 a-d connected to plate 112, in accordance with the invention. Dampeningmembers 113 a-d can be of many types, such as a plurality of oil shocks, but here they are springs vertically positioned on the corners ofplate 112. Dampeningassembly 110 can be of many sizes and shapes, such as those embodied as dampeningassemblies 110 a-110 f (FIG. 1 b). In this embodiment, dampeningassemblies volumes assemblies 110 b and 110 e are rectangular and are sized to be contained withinvolumes -
FIG. 3 b is a perspective view of amovement assembly 111, respectively, in accordance with the invention.Movement assembly 111 includes a plurality ofmovement members 114 contained by asupport grid 115.Movement members 114 are contained bygrid 115 through a plurality ofcells 116.Movement members 114 can be positioned incells 116 in many different ways. In this embodiment,movement members 114 are positioned within everyother cell 116 ofgrid 115 and are offset between rows, as shown inFIG. 3 b. The width W ofcells 116 is greater than the diameter D ofmovement members 114, as shown in the sectional top view ofmovement assembly 111 inFIG. 3 c. The width W ofcells 116 and diameter D ofmovement members 114 are sized to allowmovement members 114 to rotate while being contained withincells 116. Further, the height H ofcells 116 andgrid 115 is less than the diameter ofmovement members 114 as viewed along line 117 and shown in cross sectional side viewFIG. 3 d. The height H ofcells 116 andgrid 115 is less than the diameter ofmovement members 114 to allow themovement members 114 to roll freely whenmovement assembly 111 is positioned between dampeningassembly 110 andmiddle plate assembly 120 or betweenmiddle plate assembly 120 andbottom plate assembly 130, as discussed in more detail below. -
Movement assembly 111 can be of many sizes and shapes, such as those embodied as 111 a-f (discussed above) and 111 g (discussed further below). In this embodiment,movement assemblies volumes movement assemblies 111 b and 111 e are rectangular and are contained withinvolumes bottom container 123 ofmiddle plate assembly 120, as will be discussed presently. -
FIGS. 4 a and 4 b are perspective and bottom views of amiddle plate assembly 120, respectively, in accordance with the invention.Middle plate assembly 120 includes upper container walls 124 a-d positioned on the top of amiddle plate 122. Upper container walls 124 a-d are positioned to contain a middle platetop surface 126 on the top ofplate 122. Middle plate assembly also includes dampening members 128 connected to upper container walls 124 a-d. Dampening members 128 can be of many types and can be connected to upper container walls 124 a-d in many ways. In this embodiment, dampening members 128 are four springs with one end connected to and extending along the interior side of each of opposingwalls walls Middle plate assembly 120 also includes anupper container volume 121 bounded by upper container walls 124 a-d and middle platetop surface 126.Volume 121 and dampening members 128 are dimensioned to containupper carrier 108 withinvolume 121, as discussed further below (FIGS. 6 a and 6 b). -
Middle plate assembly 120 also includes alower carrier 129.Lower carrier 129 includes a lower container walls 125 a-d, a middle plate bottom surface 127, and alower container volume 123. Lower container walls 125 a-d are positioned on the bottom ofmiddle plate 122 to contain bottom surface 127 on the bottom ofplate 122.Lower container volume 123 is bounded by lower container walls 125 a-d and bottom surface 127.Lower carrier 129 also includesmovement assembly 111 g (not shown), which is contained within volume 123 (FIGS. 6 a and 6 b). -
FIG. 5 is a perspective view of abottom plate assembly 130, in accordance with the invention.Bottom plate assembly 130 includes container walls 134 a-d positioned on the top of abottom plate 132.Plate 132 can be of many shapes, but in this embodiment, it is rectangular and extends beyond container walls 134 a-d. Container walls 134 a-d are positioned to contain aplate surface 136 on the top ofplate 132.Bottom plate assembly 130 includes acontainer volume 131 bounded by upper container walls 134 a-d andplate surface 136. Middle plate assembly also includes dampening members 128 connected to upper container walls 134 a-d. Dampening members 128 can be of many types and can be connected to upper container walls 134 a-d in many ways. In this embodiment, dampening members 128 are connected to and positioned along walls 134 a-d similarly to the position of members 128 along walls 124 a-d inmiddle plate assembly 120 discussed above. -
FIGS. 6 a and 6 b are a sectional side view and an exploded sectional side view, respectively, ofstructure base assembly 102 andbase isolation assembly 103, as viewed fromline 140 onFIG. 1 b, in accordance with the invention. In operation, dampingassembly 110 a andmovement assembly 111 a are contained withinvolume 106 a ofupper carrier 108, andupper carrier 108 is contained withinvolume 121 ofmiddle plate assembly 120. The distal ends of dampeningmembers 113 a-d are in contact withsurface 105 a. In some embodiments, dampeningmembers 113 a-d are connected to surface 105 a. - In accordance with the invention,
movement members 114 ofmovement assembly 111 a are in rolling contact with and positioned between the bottom surface ofplate 112 on dampingassembly 110 a and thesurface 126 ofmiddle plate assembly 120. Dampeningassembly 110 a andmovement assembly 111 a are dimensioned to allow their movement withinvolume 106 a indirection 160. Dampingassembly 110 a andmovement assembly 111 a are dimensioned to restrict and allow their movement, respectively, withinvolume 106 a in direction 150 (as shown), and in direction 170 (FIG. 1 b). It should be noted that dampingassemblies 110 b-f andmovement assemblies 111 b-f operate similarly withinvolumes 106 b-f, respectively, ofupper carrier 108. -
Upper carrier 108 ofstructure base assembly 102 is contained withinvolume 121 ofmiddle plate assembly 120, with horizontal dampening members 128 positioned therebetween. For example, dampening member 128 is positioned between the exterior portion ofwall 107 d and the interior portion ofwall 124 d as shown. Similarly, dampening members 128 are positioned between the exterior of walls 107 a-c and the interior of walls 124 a-c, respectively (not shown). In addition to one end of dampening member 118 being attached to the interior of walls 124 a-d (discussed above), in some embodiments, the opposing ends of dampening members 128 are connected to the exterior of walls 107 a-d ofupper carrier 108. - In this way,
movement assembly 111 a and dampeningassembly 110 a allowmiddle plate assembly 120 to move indirections base assembly 102. Whenmiddle plate assembly 120 moves relative to structurebase assembly 102 indirection 160, dampeningmembers 113 a-d extend or compress, and thus reduce the forces and movement transferred frommiddle plate assembly 120 to structurebase assembly 102 indirection 160. Whenmiddle plate assembly 120 moves relative to structurebase assembly 102 indirection 150, dampening members 128 extend or compress, and thus reduce the forces and movement transferred frommiddle plate assembly 120 to structurebase assembly 102 indirection 150. Additionally, whenmiddle plate assembly 120 moves relative to structurebase assembly 102 in direction 170 (FIG. 1 b), dampening members 128 extend or compress, and thus reduce the forces and movement transferred frommiddle plate assembly 120 to structurebase assembly 102 indirection 170. - In accordance with the invention, movement assembly 111 g is contained within
volume 123 oflower carrier 129, andlower carrier 129 is contained withinvolume 131 ofbottom plate assembly 130. In this way,movement members 114 ofmovement assembly 111 g are in rolling contact with and positioned between surface 127 oflower carrier 129 onmiddle plate assembly 120 and thesurface 136 ofbottom plate assembly 130. Movement assembly 111 g is dimensioned to allow its movement withinvolume 131 in directions 170 (FIG. 1 b) and 150. -
Lower carrier 129 ofmiddle plate assembly 120 is contained withinvolume 131 ofbottom plate assembly 130, with horizontal dampening members 128 positioned therebetween. For example, dampening member 128 is positioned between the exterior portion ofwall 125 d and the interior portion ofwall 134 d as shown. Similarly, dampening members 128 are positioned between the exterior of walls 125 a-c and the interior of walls 134 a-c, respectively (not shown). In addition to one end of dampening member 118 being attached to the interior of walls 134 a-d (discussed above), in some embodiments, the opposing ends of dampening members 128 are connected to the exterior of walls 125 a-d oflower carrier 129. - In this way, movement assembly 111 g allows
bottom plate assembly 130 to move indirections middle plate assembly 120. Whenbottom plate assembly 130 moves relative tomiddle plate assembly 120 indirection 150, dampening members 128 extend or compress, and thus reduce the forces and movement transferred frombottom plate assembly 130 tomiddle plate assembly 120 indirection 150. Additionally, whenbottom plate assembly 130 moves relative tomiddle plate assembly 120 indirection 170, dampening members 128 extend or compress, and thus reduce the forces and movement transferred frombottom plate assembly 130 tomiddle plate assembly 120 indirection 170. - The embodiments and examples set forth herein were presented in order to best explain the present invention and its practical application and to thereby enable those of ordinary skill in the art to make and use the invention. However, those of ordinary skill in the art will recognize that the foregoing description and examples have been presented for the purposes of illustration and example only. The description as set forth is not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in light of the teachings above without departing from the spirit and scope of the forthcoming claims.
Claims (14)
1. An earthquake resistant structure, comprising:
a structure base assembly;
a building structure positioned on the structure base assembly; and
a base isolation assembly, which carries the building structure and structure base assembly, wherein the base isolation assembly includes a movement member and horizontal dampening member which allow the building structure and structure base assembly to move in response to an applied force.
2. The structure of claim 1 , wherein the movement member is a spherical ball.
3. The structure of claim 1 , wherein the base isolation assembly includes a cell which contains the movement member.
4. The structure of claim 2 , wherein the horizontal dampening member is a spring.
5. The structure of claim 4 , wherein the spring is compressed and decompressed in response to movement of the movement member.
6. The structure of claim 1 , further including a dampening assembly which includes a plate and vertical dampening member.
7. An earthquake resistant structure, comprising:
a structure base assembly which includes a plurality of interior and exterior walls connected together to form a plurality of volumes;
a building structure positioned on the structure base assembly; and
a base isolation assembly, which carries the building structure and structure base assembly, wherein the base isolation assembly includes
a plurality of movement assemblies positioned in a corresponding volume, each movement assembly including a support grid and a plurality of movement members; and
a plurality of dampening assemblies, each dampening assembly including a plate which carries a plurality of vertical dampening members.
8. The structure of claim 7 , wherein the movement members are spherical balls.
9. The structure of claim 7 , wherein the dampening members are springs.
10. The structure of claim 7 , wherein the horizontal dampening member is a spring.
11. The structure of claim 7 , further including a middle plate assembly which includes a middle plate and upwardly and downwardly extending walls, and a horizontal spring extending from the upwardly extending wall.
12. The structure of claim 11 , wherein the middle plate assembly carries a movement assembly, wherein the movement assembly is engaged with the spring of the middle plate assembly.
13. The structure of claim 7 , further including a bottom plate assembly which includes a bottom plate and an upwardly extending walls and a horizontal spring extending from the upwardly extending wall.
14. The structure of claim 13 , wherein the bottom plate assembly carries a movement assembly, wherein the movement assembly is engaged with the spring of the bottom plate assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/172,897 US20090013619A1 (en) | 2007-07-13 | 2008-07-14 | Earthquake resistant house |
Applications Claiming Priority (2)
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US94961307P | 2007-07-13 | 2007-07-13 | |
US12/172,897 US20090013619A1 (en) | 2007-07-13 | 2008-07-14 | Earthquake resistant house |
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US20090013619A1 true US20090013619A1 (en) | 2009-01-15 |
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US12/172,897 Abandoned US20090013619A1 (en) | 2007-07-13 | 2008-07-14 | Earthquake resistant house |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRN20100052A1 (en) * | 2010-08-25 | 2010-11-24 | Antonio Casalini | ORBITAL SHOE FOR DETACHMENT FROM THE DYNAMIC OSCILLATIONS OF PARTS OF A BUILDING CONSTRUCTION |
US20110011013A1 (en) * | 2009-07-15 | 2011-01-20 | Kanazawa Mitsuo | Floor-panel and floor-panel assemblies |
ITRM20110187A1 (en) * | 2011-04-12 | 2012-10-13 | Agenzia Naz Per Le Nuove Tecn Ologie L Ener | ANTI-SEISMIC BASES IN MARBLE, CERAMICS, STEEL-CERAMICS FOR THE PROTECTION OF THE STATUE OF EARTHQUAKES, WORKS OF ART, MUSEUM TECHNIQUES AND DELICATE STRUCTURES. |
US8359793B2 (en) | 2010-08-26 | 2013-01-29 | Danny Chagai Zeevi | Earthquake force absorption system |
US20130118098A1 (en) * | 2011-11-11 | 2013-05-16 | Michael C. Constantinou | Negative stiffness device and method |
WO2014092662A1 (en) * | 2012-12-13 | 2014-06-19 | Kaya Cemalettin | Anti-earthquake building system |
US9206616B2 (en) | 2013-06-28 | 2015-12-08 | The Research Foundation For The State University Of New York | Negative stiffness device and method |
WO2017090052A1 (en) | 2015-05-26 | 2017-06-01 | WADKAR, Omneel | A method of constructing earthquake resistant structure with reinforced foundation and wall structure |
US20170241151A1 (en) * | 2014-07-06 | 2017-08-24 | Adnan Dogan | Earthquake isolator |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110011013A1 (en) * | 2009-07-15 | 2011-01-20 | Kanazawa Mitsuo | Floor-panel and floor-panel assemblies |
ITRN20100052A1 (en) * | 2010-08-25 | 2010-11-24 | Antonio Casalini | ORBITAL SHOE FOR DETACHMENT FROM THE DYNAMIC OSCILLATIONS OF PARTS OF A BUILDING CONSTRUCTION |
US8359793B2 (en) | 2010-08-26 | 2013-01-29 | Danny Chagai Zeevi | Earthquake force absorption system |
ITRM20110187A1 (en) * | 2011-04-12 | 2012-10-13 | Agenzia Naz Per Le Nuove Tecn Ologie L Ener | ANTI-SEISMIC BASES IN MARBLE, CERAMICS, STEEL-CERAMICS FOR THE PROTECTION OF THE STATUE OF EARTHQUAKES, WORKS OF ART, MUSEUM TECHNIQUES AND DELICATE STRUCTURES. |
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WO2014092662A1 (en) * | 2012-12-13 | 2014-06-19 | Kaya Cemalettin | Anti-earthquake building system |
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US20170241151A1 (en) * | 2014-07-06 | 2017-08-24 | Adnan Dogan | Earthquake isolator |
US10125510B2 (en) * | 2014-07-06 | 2018-11-13 | Adnan Dogan | Earthquake isolator |
WO2017090052A1 (en) | 2015-05-26 | 2017-06-01 | WADKAR, Omneel | A method of constructing earthquake resistant structure with reinforced foundation and wall structure |
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