CN106320556A - Method for buffering collision of sliding seismic isolation and liquid storage structure and limit walls equipped with rubber blocks - Google Patents

Method for buffering collision of sliding seismic isolation and liquid storage structure and limit walls equipped with rubber blocks Download PDF

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Publication number
CN106320556A
CN106320556A CN201610915524.2A CN201610915524A CN106320556A CN 106320556 A CN106320556 A CN 106320556A CN 201610915524 A CN201610915524 A CN 201610915524A CN 106320556 A CN106320556 A CN 106320556A
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centerdot
sliding
liquid storage
collision
spacing walls
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CN106320556B (en
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程选生
景伟
周欣海
陈佳
张小燕
巩利军
马亮
李国亮
李德
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Lanzhou University of Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/02Containers for fluids or gases; Supports therefor

Abstract

The invention provides a method for buffering collision of a sliding seismic isolation and liquid storage structure and limit walls equipped with rubber blocks. The method comprises steps as follows: (1), the limit walls are distributed on the periphery of a structure, and an initial distance between the sliding seismic isolation structure and each limit wall is determined according to structure use requirements and design earthquakes; (2), the rubber blocks are arranged on the surfaces of the limit walls, the initial distance between the sliding seismic isolation structure and each limit wall can be reduced through addition of the rubber blocks, and a final distance between the sliding seismic isolation structure and each limit wall is required to include the initial distance and thickness of the rubber blocks on two sides; (3), fixed-point marking is performed in the positions, where the rubber blocks are required to be distributed, of the limit walls, and polishing treatment is performed in the marked positions on the surfaces of the limit walls; (4), a required number of rubber buffer blocks are processed, and the rubber buffer blocks are connected to the marked positions of the limit walls through a cementing material.

Description

Sliding and shock isolation liquid storage structure and the spacing walls crusherbull zone method of block rubber are set
Technical field
The present invention relates to the sliding and shock isolation liquid storage structure that block rubber is set and spacing walls crusherbull zone method.
Background technology
Owing to sliding and shock isolation is drawn materials easily, cheap so that it is to have a wide range of applications in civil engineering, and apply go through History is remote.This kind of shock-dampening method can make superstructure produce approximation rigid body translation under larger earthquake effect, is greatly reduced knot Rigidity bottom structure, structure can pass through Frictional Slipping dissipation part energy simultaneously, eventually through to the isolation of earthquake and consumption Dissipate the purpose reaching to reduce superstructure dynamic response.Sliding shock-damping is capable of shock insulation and the independence in liquid sloshing cycle, While reducing liquid storage structure dynamic response, for liquid sloshing wave height, also there is preferable control action so that it is tie in reservoir Structure damping aspect shows advantage, has potential engineer applied meaning.Although having entered about Sliding-isolated Structures at present Go a lot of research and application, but still there is following deficiency:
(1) although Sliding-isolated Structures can reduce the dynamic response of superstructure, but its slippage is the biggest;
(2) traditional isolation structure and concrete spacing walls rigidity are the biggest, and once slippage transfinites and will produce collision, structure Itself and spacing walls all can have damage in various degree;
(3) in order to avoid the collision of Sliding-isolated Structures Yu spacing walls, in actual slip shock insulation engineering, main by estimating in advance Meter Sliding-isolated Structures horizontal displacement under geological process, resets the spacing size of structure and spacing walls, but owing to being subject to Place limits and uses requirement, and spacing tends not to excessive, adds the randomness of earthquake, sliding and shock isolation knot under some geological process What structure and spacing walls collided is still within the bounds of possibility, and is badly in need of a kind of method slowing down collision response.
Summary of the invention
It is an object of the invention to provide a kind of sliding and shock isolation liquid storage structure that block rubber is set and spacing walls crusherbull zone side Method.
The present invention is the sliding and shock isolation liquid storage structure arranging block rubber and spacing walls crusherbull zone method, the steps include:
(1) arrange spacing walls in structure surrounding, use requirement and earthquake of setting up defences to determine that Sliding-isolated Structures is with spacing according to structure The initial separation of wall, it is possible to avoid sliding and shock isolation liquid storage structure under horizontal earthquake action to produce damaging position at slide surface Move;
(2) arrange block rubber on spacing walls surface, add block rubber and can reduce the initial separation of Sliding-isolated Structures and spacing walls, Final Sliding-isolated Structures and spacing walls spacing need to include initial separation and the thickness of both sides block rubber, it is possible to reduce sliding Shock insulation liquid storage structure contacts the destructive impact force of generation with spacing walls,
(3) non-elastic collision unit simulation sliding and shock isolation liquid storage structure and the collision problem of damping rubber block in spacing walls are used, Size with impact force reflects the buffering effect of block rubber, and quantity and the size of damping rubber block are controlled by impact force, sliding Shock insulation liquid storage structure can be calculated by following formula with the impact force of the spacing walls arranging damping rubber block:
Collision occurs in left side:
F p = k i m p &CenterDot; ( - u b - g a p ) n ; ( - u b - g a p ) > 0 , u &CenterDot; b < 0 k i m p &CenterDot; ( - u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( - u b - g a p ) > 0 , u &CenterDot; b > 0 0 ; ( - u b - g a p ) &le; 0
Collision occurs on right side:
F p = k i m p &CenterDot; ( u b - g a p ) n ; ( u b - g a p ) > 0 , u &CenterDot; b > 0 k i m p &CenterDot; ( u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( u b - g a p ) > 0 , u &CenterDot; b < 0 0 ; ( u b - g a p ) &le; 0
In formula: FpFor impact force, ubFor the horizontal displacement of sliding and shock isolation liquid storage structure,For sliding and shock isolation reservoir in collision process The speed of structure, gap is the gap of sliding and shock isolation liquid storage structure and surrounding spacing walls, kimpFor colliding stiffness, cimpFor collision resistance Buddhist nun, kimpAnd cimpCalculation expression be:
k i m p = N &CenterDot; &alpha; &CenterDot; A &CenterDot; K r d n
In formula: N is the number of collision side damping rubber block, and α is the rigidity amplification coefficient that collision causes, and its span is 2 ~2.5, A, KrBeing respectively the contact area of padded coaming, rigidity and thickness with d, n, for considering nonlinear index, can be taken as 2.65。
c i m p = ( 1 - COR 2 ) 2 &CenterDot; u &CenterDot; b &CenterDot; ln 3 ( C O R ) C O R &CenterDot; ( 2 + ln 2 ( C O R ) - 2 &CenterDot; ln ( C O R ) ) - 2
In formula: COR is collision recovery coefficient;
(4) need to arrange that the position of block rubber carries out pinpointing labelling in spacing walls, and carry out in spacing walls surface markers position beating Mill processes;
(5) press quantity required and dimensioned block rubber, use cementing material that block rubber is connected to the mark position of spacing walls.
The invention has the beneficial effects as follows: sliding and shock isolation liquid storage structure and the spacing walls crusherbull zone method of block rubber are set, By the thinking of its uniqueness, add damping rubber block on concrete spacing walls surface, it is possible to that avoids between big rigidity object is straight Connect collision;The setting of damping rubber block can be greatly reduced instant shock power, then reduces the collision dynamic response of system;To touch The size hitting power reflects the buffering effect of block rubber indirectly, and concept is short and sweet.This sliding and shock isolation liquid storage structure and spacing walls Crusherbull zone method, draw materials easy, good endurance, cheap, easy construction, contribute to engineer applied, contribute to reducing ground The failure probability of sliding and shock isolation liquid storage structure under shake effect.
Accompanying drawing explanation
Fig. 1 is the sliding and shock isolation liquid storage structure profile arranging buffer stopper, and Fig. 2 is the sliding and shock isolation reservoir arranging buffer stopper Structural plan figure.
Detailed description of the invention
The sliding and shock isolation liquid storage structure arranging block rubber of the present invention passes through with spacing walls crusherbull zone technique study target Realize by the following technical solutions, the described sliding and shock isolation liquid storage structure that block rubber is set and spacing walls crusherbull zone method Feature includes following content: as shown in Figure 1 and Figure 2:
(1) under horizontal earthquake action, in order to avoid sliding and shock isolation liquid storage structure 1 produces bigger displacement at slide surface 2, in structure Surrounding arranges spacing walls 3, use according to structure require and earthquake of setting up defences determine Sliding-isolated Structures 1 and spacing walls 3 initial between Away from 4;
(2) contact with spacing walls 3 and produce bigger impact force, at spacing walls 3 surface cloth to reduce sliding and shock isolation liquid storage structure 1 Put block rubber 5, add block rubber 5 and can reduce the initial separation 4 of Sliding-isolated Structures 1 and spacing walls 3, final sliding and shock isolation knot Structure and spacing walls spacing need to include initial separation 4 and the thickness of both sides block rubber 5;
(3) sliding and shock isolation liquid storage structure 1 all can collide with both sides spacing walls 3, uses non-elastic collision unit simulation sliding Shock insulation liquid storage structure 1 and the collision problem of damping rubber block 5 in spacing walls 3, reflect the buffering of block rubber with the size of impact force Effect, quantity and the size of damping rubber block 5 controlled by impact force, sliding and shock isolation liquid storage structure 1 with damping rubber block 5 is set The impact force of spacing walls 3 can be calculated by following formula:
Collision occurs in left side:
F p = k i m p &CenterDot; ( - u b - g a p ) n ; ( - u b - g a p ) > 0 , u &CenterDot; b < 0 k i m p &CenterDot; ( - u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( - u b - g a p ) > 0 , u &CenterDot; b > 0 0 ; ( - u b - g a p ) &le; 0
Collision occurs on right side:
F p = k i m p &CenterDot; ( u b - g a p ) n ; ( u b - g a p ) > 0 , u &CenterDot; b > 0 k i m p &CenterDot; ( u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( u b - g a p ) > 0 , u &CenterDot; b < 0 0 ; ( u b - g a p ) &le; 0
In formula: FpFor impact force, ubFor the horizontal displacement of sliding and shock isolation liquid storage structure,For sliding and shock isolation reservoir in collision process The speed of structure, gap is the gap of sliding and shock isolation liquid storage structure and surrounding spacing walls, kimpFor colliding stiffness, cimpFor collision resistance Buddhist nun, kimpAnd cimpCalculation expression be:
k i m p = N &CenterDot; &alpha; &CenterDot; A &CenterDot; K r d n
In formula: N is the number of collision side damping rubber block, and α is the rigidity amplification coefficient that collision causes, and its span is 2 ~2.5, A, KrBeing respectively the contact area of padded coaming, rigidity and thickness with d, n, for considering nonlinear index, can be taken as 2.65。
c i m p = ( 1 - COR 2 ) 2 &CenterDot; u &CenterDot; b &CenterDot; ln 3 ( C O R ) C O R &CenterDot; ( 2 + ln 2 ( C O R ) - 2 &CenterDot; ln ( C O R ) ) - 2
In formula: COR is collision recovery coefficient.
(4) need to arrange that the position of block rubber 5 carries out pinpointing labelling in spacing walls 3, and carry out in spacing walls 3 surface markers position Grinding process;
(5) press quantity required and dimensioned damping rubber block 5, use cementing material that damping rubber block 5 is connected to spacing walls 3 Mark position.
Sliding and shock isolation liquid storage structure uses concrete material with spacing walls, and both rigidity are the biggest, once sliding and shock isolation storage The displacement under geological process of the liquid structure exceedes reserved interval, and instant shock will occur, along with huge impact force, nothing Doubtful meeting causes the moment of liquid storage structure and liquid sloshing response to increase, and structure and spacing walls have destruction in various degree, simultaneously Liquid sloshing wave height surmounts reserved dry action degree and can overflow.In order to slow down violent collision effect, less sliding and shock isolation reservoir Structure failure probability under geological process, adds damping rubber block in spacing walls, thus significantly alleviate original concrete with Big rigidity collision problem between concrete.Collision behavior collision cell by sliding and shock isolation liquid storage structure Yu damping rubber block Represent, indirectly reflect the effect that block rubber is set with the size of impact force.
Embodiment:
(1) length and width of concrete rectangular liquid storage structure and high respectively 6m, 6m and 4.8m, liquid storing heights hwFor 3.6m, wallboard is thick Degree t is 0.2m, and the coefficientoffrictionμ of sliding and shock isolation layer is equal to 0.06, and barricade thickness is 0.2m, gap=0.10m, COR=0.622, The buffer stopper number N that spacing walls side is arranged is 10, and rigidity amplification coefficient α that collision causes is 2.25, and buffer stopper volume is 200mm × 200mm × 40mm, it is considered to nonlinear index n is 2.65, KrFor 55835N/mm, the u of sliding and shock isolation liquid storage structureb WithIt is respectively 0.1227m and 1.2m/s.
k i m p = N &CenterDot; &alpha; &CenterDot; A &CenterDot; K r d n = 10 &times; 2.5 &times; 0.2 &times; 0.2 &times; 55835 0.04 2.65 = 3.1728 &times; 10 6 N / mm 2.65
c i m p = ( 1 - COR 2 ) 2 &CenterDot; u &CenterDot; b &CenterDot; ln 3 ( C O R ) C O R &CenterDot; ( 2 + ln 2 ( C O R ) - 2 &CenterDot; ln ( C O R ) ) - 2 = ( 1 - 0.622 2 ) 2 &times; 0.75 &times; ln 3 ( 0.622 ) 0.622 &times; ( 2 + ln 2 ( 0.622 ) - 2 &times; ln ( 0.622 ) ) - 2 = 1.098 N / ( m / s )
F p = k i m p &CenterDot; ( u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) = 3.1728 &times; 10 6 &times; &lsqb; 1000 &times; ( 0.1212 - 0.1 ) &rsqb; &times; ( 1 + 1.098 &times; 0.75 ) = 2.3953 &times; 10 4 N
(2) length and width of concrete rectangular liquid storage structure and high respectively 8m, 6m and 6m, liquid storing heights hwFor 4.8m, wall panel thickness T is 0.3m, and the coefficientoffrictionμ of sliding and shock isolation layer is equal to 0.06, and barricade thickness is 0.2m, gap=0.10m, COR=0.622, limit The buffer stopper number N that wall side, position is arranged is 12, and rigidity amplification coefficient α that collision causes is 2.25, and buffer stopper volume is 200mm × 200mm × 40mm, it is considered to nonlinear index n is 2.65, KrFor 55835N/m2, the u of sliding and shock isolation liquid storage structurebWithPoint Wei 0.1137m and 0.84m/s.
k i m p = N &CenterDot; &alpha; &CenterDot; A &CenterDot; K r d n = 10 &times; 2.5 &times; 0.2 &times; 0.2 &times; 55835 0.04 2.65 = 3.1728 &times; 10 6 N / mm 2.65
c i m p = ( 1 - COR 2 ) 2 &CenterDot; u &CenterDot; b &CenterDot; ln 3 ( C O R ) C O R &CenterDot; ( 2 + ln 2 ( C O R ) - 2 &CenterDot; ln ( C O R ) ) - 2 = ( 1 - 0.622 2 ) 2 &times; 0.75 &times; ln 3 ( 0.622 ) 0.622 &times; ( 2 + ln 2 ( 0.622 ) - 2 &times; ln ( 0.622 ) ) - 2 = 1.0895 N / ( m / s )
F p = k i m p &CenterDot; ( u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) = 3.1728 &times; 10 6 &times; &lsqb; 1000 &times; ( 0.1212 - 0.1 ) &rsqb; &times; ( 1 + 1.098 &times; 0.75 ) = 7.5315 &times; 10 3 N .

Claims (1)

1. sliding and shock isolation liquid storage structure and the spacing walls crusherbull zone method of block rubber are set, it is characterised in that: the steps include:
(1) arrange spacing walls in structure surrounding, use requirement and earthquake of setting up defences to determine that Sliding-isolated Structures is with spacing according to structure The initial separation of wall, it is possible to avoid sliding and shock isolation liquid storage structure under horizontal earthquake action to produce damaging position at slide surface Move;
(2) arrange block rubber on spacing walls surface, add block rubber and can reduce the initial separation of Sliding-isolated Structures and spacing walls, Final Sliding-isolated Structures and spacing walls spacing need to include initial separation and the thickness of both sides block rubber, it is possible to reduce sliding Shock insulation liquid storage structure contacts the destructive impact force of generation with spacing walls;
(3) non-elastic collision unit simulation sliding and shock isolation liquid storage structure and the collision problem of damping rubber block in spacing walls are used, Size with impact force reflects the buffering effect of block rubber, and quantity and the size of damping rubber block are controlled by impact force, sliding Shock insulation liquid storage structure can be calculated by following formula with the impact force of the spacing walls arranging damping rubber block:
Collision occurs in left side:
F p = k i m p &CenterDot; ( - u b - g a p ) n ; ( - u b - g a p ) > 0 , u &CenterDot; b < 0 k i m p &CenterDot; ( - u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( - u b - g a p ) > 0 , u &CenterDot; b > 0 0 ; ( - u b - g a p ) &le; 0
Collision occurs on right side:
F p = k i m p &CenterDot; ( u b - g a p ) n ; ( u b - g a p ) > 0 , u &CenterDot; b > 0 k i m p &CenterDot; ( u b - g a p ) n &CenterDot; ( 1 + c i m p &CenterDot; u &CenterDot; b ) ; ( u b - g a p ) > 0 , u &CenterDot; b < 0 0 ; ( u b - g a p ) &le; 0
In formula: FpFor impact force, ubFor the horizontal displacement of sliding and shock isolation liquid storage structure,For sliding and shock isolation reservoir in collision process The speed of structure, gap is the gap of sliding and shock isolation liquid storage structure and surrounding spacing walls, kimpFor colliding stiffness, cimpFor collision resistance Buddhist nun, kimpAnd cimpCalculation expression be:
k i m p = N &CenterDot; &alpha; &CenterDot; A &CenterDot; K r d n
In formula: N is the number of collision side damping rubber block, and α is the rigidity amplification coefficient that collision causes, and its span is 2 ~2.5, A, KrBeing respectively the contact area of padded coaming, rigidity and thickness with d, n, for considering nonlinear index, can be taken as 2.65。
c i m p = ( 1 - COR 2 ) 2 &CenterDot; u &CenterDot; b &CenterDot; ln 3 ( C O R ) C O R &CenterDot; ( 2 + ln 2 ( C O R ) - 2 &CenterDot; ln ( C O R ) ) - 2
In formula: COR is collision recovery coefficient;
(4) need to arrange that the position of block rubber carries out pinpointing labelling in spacing walls, and carry out in spacing walls surface markers position beating Mill processes;
(5) press quantity required and dimensioned block rubber, use cementing material that block rubber is connected to the mark position of spacing walls.
CN201610915524.2A 2016-10-20 2016-10-20 The sliding and shock isolation liquid storage structure of rubber block and spacing walls crusherbull zone method are set Expired - Fee Related CN106320556B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296180A (en) * 2019-05-31 2019-10-01 华北水利水电大学 A kind of damping device of concrete liquid reserve tank

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CN102493584A (en) * 2011-11-18 2012-06-13 傅礼铭 Seismic-reducing floor slab with cavities
CN103046662A (en) * 2013-01-09 2013-04-17 北京建筑工程学院 Soft contact limit mechanism for isolation layers
US20140096455A1 (en) * 2012-10-04 2014-04-10 M3 System, LLC, Ecological House
US20140311060A1 (en) * 2013-03-15 2014-10-23 Arx Pax, LLC Methods and apparatus of building construction resisting earthquake and flood damage
CN105370078A (en) * 2015-10-13 2016-03-02 兰州理工大学 Liquid storage tank slippage damping method with steel bar limiting device
CN105887667A (en) * 2016-05-18 2016-08-24 同济大学 Variable-friction seismic isolating support

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* Cited by examiner, † Cited by third party
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CN102493584A (en) * 2011-11-18 2012-06-13 傅礼铭 Seismic-reducing floor slab with cavities
US20140096455A1 (en) * 2012-10-04 2014-04-10 M3 System, LLC, Ecological House
CN103046662A (en) * 2013-01-09 2013-04-17 北京建筑工程学院 Soft contact limit mechanism for isolation layers
US20140311060A1 (en) * 2013-03-15 2014-10-23 Arx Pax, LLC Methods and apparatus of building construction resisting earthquake and flood damage
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CN105887667A (en) * 2016-05-18 2016-08-24 同济大学 Variable-friction seismic isolating support

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296180A (en) * 2019-05-31 2019-10-01 华北水利水电大学 A kind of damping device of concrete liquid reserve tank

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