WO2015099518A1 - Stand for testing for seismic resistance - Google Patents
Stand for testing for seismic resistance Download PDFInfo
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- WO2015099518A1 WO2015099518A1 PCT/KZ2014/000013 KZ2014000013W WO2015099518A1 WO 2015099518 A1 WO2015099518 A1 WO 2015099518A1 KZ 2014000013 W KZ2014000013 W KZ 2014000013W WO 2015099518 A1 WO2015099518 A1 WO 2015099518A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
Definitions
- the invention relates to the field of technology designed to simulate an earthquake, can be used to certify seismic isolation and seismic protection systems for antiseismicity.
- This technical complex which has an exciter of oscillations in the form of an electro-hydraulic vibration-pulse source of seismic vibrations, installed at a certain distance from the building under test, cannot reproduce the proper seismic effect on the building foundation.
- the presented stand for seismic testing of objects most fully reflects the movement of the earth's crust during an earthquake, but seismic impacts reproduce movements only in the horizontal and vertical directions, which is not sufficient for the reproduction of seismic effects, since the seismic effect is not only vertical and horizontal, but also in arbitrary direction.
- the task is to create a system that most fully simulates the movement of the earth's crust during earthquakes, which could be used not only to test models of buildings and structures for earthquake resistance, but also to certify seismic insulating or seismic protection systems for antiseismicity.
- a stand which consists of a tested building model or other objects and a foundation model, and tested seismic insulating or seismic protection systems and devices are installed between the building model and the foundation model .
- passive seismic isolating devices in the form of balls installed under the building model were selected.
- SHOL OR platform robots with pneumatic or other drives are installed under the building between the foundation model and the stand base. The number of robots depends on the weight of the models of the objects, foundation, seismic insulating and seismic protection systems.
- the SHOLKOR robot as an earthquake simulator makes it possible to obtain any spatial effect on the foundation. Indeed, in view of the fact that in each SHOLKOR robot the upper platform relative to the lower (in this case, fixed platform) has six controlled degrees of freedom, these robots together can provide any spatial movement of the foundation layout. In the initial (stationary) position, the lengths of the connecting links have some average values. Depending on what kind of movement it is necessary to perform, the lengths of the connecting links may decrease, increase or remain unchanged.
- the proposed stand (Fig. 1) consists of a tested building model or other objects 3, a foundation model 4. Moreover, between the building model and the foundation model, the tested seismic insulating or seismic protection systems and devices are installed. As an example, in Fig. 1, passive seismic isolating devices-2 in the form of balls installed under the building model are selected. In order to simulate the movement of the earth's crust during an earthquake, 1 - SHOLKOR robots with pneumatic or other drives are installed under the building between the stationary base 0 and the layout of the foundation 4. The number of robots depends on the weight of the models of the objects, the foundation, seismic isolation and seismic protection devices.
- the SHOLKOR robot ( Figure 2) consists of: the upper 12 and lower 11 platforms connected by links 5-10 of variable length. At the nodal points AB Ci, A 2 , B 2 , C 2 links are connected via spherical joints.
- a feature of these robots is that by changing the length of the connecting links with the help of controlled drives, 95 six controlled degrees of mobility of the upper and lower platforms relative to each other are obtained.
- the unique property of the manipulator is that the movements of the drives are performed independently of each other, i.e. each change in the length of the connecting link corresponds to a certain position of the platforms.
- the anti-seismic test bench works as follows: SHOLKOR robots - 1, mounted on a fixed base - 0, moving with connecting links 5 - 10 of the top
- 105 platform which serves as a support for the foundation - 4, transmit the specified spatial motion that simulates seismic effects on seismic insulating and seismic protection devices - 2, on the building model - 4. or another test object.
- the software acts on the foundation - 1 with a strictly specified amplitude and frequency, then fixing the amplitude and frequency on the building model, and making a comparative analysis, we determine how much it reduces the level of seismic effects transmitted through seismic isolation or seismic protection systems 2 on the building model, i.e. we determine the level seismic reduction impact through the use of seismic insulating or seismic protection systems and devices.
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Abstract
The invention relates to technology which is intended for simulating earthquakes, and can be used for certifying the seismic resistance of seismic isolation systems and seismic protection systems. Proposed is a stand which is comprised of a model to be tested, said model being of a building or of other entities, and of a model of a foundation, wherein seismic isolation or seismic protection systems and devices to be tested are installed between the model of the building, at the bottom part thereof, and the model of the foundation. In order to simulate the movement of the earth's crust during an earthquake, SHOLKOR robots, having pneumatic or other actuators, are installed between a stationary base and the model of the foundation. Using SHOLKOR platform robots for earthquake simulation makes it possible to produce any spatial movement of the foundation because, in each SHOLKOR robot, an upper platform has six controllable degrees of freedom relative to a lower platform (in this case, the stationary base), and said robots can together provide for any spatial movement of the model of the foundation. By setting an amplitude and frequency on the model of the building, and carrying out a comparative analysis, it is possible to determine the amount by which the level of seismic impact decreases when transmitted through a specific seismic isolation or seismic protection system.
Description
СТЕНД ДЛЯ ИСПЫТАНИЯ НА АНТИСЕЙСМИЧНОСТЬ ANTI-SEISMICITY TEST STAND
СЕЙСМИКАЛЫВДА КДРСЫ СЫНАУ YIHIH АРНАЛГАН СТЕНД SEISMICALYWDA KDRSA SINAU YIHIH ARNALGAN STAND
Изобретение относится к области техники предназначенной для имитации землетрясения, может быть использовано для аттестации сейсмоизолирующих и сеисмозащитных систем на антисейсмичность. The invention relates to the field of technology designed to simulate an earthquake, can be used to certify seismic isolation and seismic protection systems for antiseismicity.
Существующие в настоящее время расчетные и экспериментальные методы по аттестации сейсмоизолирующих и сейсмозащитных систем на анисейсичность не могут учесть все многообразие реальных механических связей в составе сложных систем и строительных конструкций, поэтому достоверность и надежность этих методов аттестации крайне низка. The currently existing calculation and experimental methods for certification of seismic insulating and seismic protection systems for aniseismicity cannot take into account the whole variety of real mechanical connections in complex systems and building structures, therefore the reliability and reliability of these certification methods is extremely low.
Существует технический комплекс [Патент на полезную модель РФ Ν_>77429, Устройство для динамических испытаний сейсмостойкости зданий и сооружений, опубликовано 20.10.2008 Бюл. N229, МПК G01M 7/00] для исследования сейсмостойкости зданий и сооружений, включающее возбудитель колебаний, выполненный в виде электрогидравлического вибрационно-импульсного источника сейсмических колебаний, устанавливаемого на грунт, на определенном расстоянии от исследуемого объекта, систему управления, приборы регистрации колебаний, устанавливаемые на исследуемом объекте, датчики, преобразующие механические колебания в электрический сигнал, аппаратуру регистрации
сигналов датчиков, устанавливаемых на исследуемый объект и соединенных с блоком регистрации сигналов сейсмоприемников. There is a technical complex [Patent for a utility model of the Russian Federation Ν_> 77429, Device for dynamic testing of earthquake resistance of buildings and structures, published on 10/20/2008 Bull. N229, IPC G01M 7/00] for studying the seismic resistance of buildings and structures, including an exciter of excitation, made in the form of an electro-hydraulic vibration-pulse source of seismic vibrations installed on the ground at a certain distance from the object under study, a control system, vibration recording instruments installed on the object under study, sensors that convert mechanical vibrations into an electrical signal, recording equipment signals of sensors installed on the object under study and connected to the registration unit of the signals of geophones.
Данный технический комплекс, имеющий возбудитель колебаний в виде электрогидравлического вибрационно-импульсного источника сейсмических колебаний, установленный на некотором расстоянии от испытуемого здания не может воспроизвести должное сейсмическое воздействие на фундамент здания. This technical complex, which has an exciter of oscillations in the form of an electro-hydraulic vibration-pulse source of seismic vibrations, installed at a certain distance from the building under test, cannot reproduce the proper seismic effect on the building foundation.
Наиболее близок по своему техническому решению к предлагаемому изобретению стенд для сейсмических испытаний объектов [Патент на полезную модель РФ JY°127463, Опубликовано: 27.04.2013 Бюл. JM 12, МПК G01M 7/00], содержащий платформу для установки исследуемого объекта, опирающуюся на опоры, связанные с грунтом, и упругие элементы, установленные между платформой и грунтом, а также устройства, создающие вертикальный и горизонтальный сейсмоудары с помощью взрыва взрывчатых веществ, установленные под платформой и по периметру платформы, устройства, создающие сейсмоудар, выполнены в виде металлических цилиндров, заглушённых с одной стороны и открытых с другой, причем устройства, создающие горизонтальный сейсмоудар, заглушёнными концами уперты в платформу, а открытыми концами направлены в сторону от ее центра, кроме того, устройства, создающие вертикальный сейсмоудар, расположены на выдвижной плите, размещенной под центром платформы.
Приведенный стенд для сейсмических испытаний объектов наиболее полно отражает движение земной коры при землетрясении, но сейсмоудары воспроизводят движения только в горизонтальном и вертикальном направлениях, что является не достаточным для воспроизводства сейсмических воздействий, так как сейсмическое воздействие бывает не только вертикальным и горизонтальным, но и в произвольном направлении. Ставится задача создания системы наиболее полно имитирующего движения земной коры при землетрясениях, которое можно было бы использовать не только для испытания макетов зданий и сооружений на сейсмостойскость, но параллельно для аттестации сейсмоизолирующих или сейсмозащитных системы на антисейсмичность. Для решения этой задачииспытание зданий и сооружений на сейсмостойскость, и параллельное исследование сейсмоизолирующих или сейсмозащитных систем и устройств осуществляется стендом, который состоит из испытываемого макета здания или других объектов и макета фундамента, причем между макетом здания и макетом фундамента устанавливаются испытываемые сейсмоизолирующие или сейсмозащитные системы и устройства. В качестве примера выбраны пассивные сейсмоизолирующие устройства в виде шаров, установленные под макетом здания. Для того, чтобы имитировать движение земной коры во время землетрясения под зданием между макетом фундамента и основанием стенда устанавливаются платформенные роботы SHOL OR с пневматическими или другими приводами. Количество роботов зависит от веса макетов объектов, фундамента, сейсмоизолирующих и сейсмозащитных з
систем. Применение в качестве имитатора землетрясения робота SHOLKOR, дает возможность получить любое пространственное воздействие на фундамент. Действительно, ввиду того, что в каждом роботе SHOLKOR верхняя платформа относительно нижней (в данном случае неподвижной платформы) имеет шесть управляемых степеней свободы, эти роботы в совокупности могут обеспечить любое пространственное движение макета фундамента. В начальном (стационарном) положении длины соединительных звеньев имеют некоторые средние значения. В зависимости от того какое движение необходимо выполнить длины соединительных звеньев могут уменьшаться, увеличиваться или оставаться неизменными. The closest in technical solution to the proposed invention stand for seismic testing of objects [Patent for a utility model of the Russian Federation JY ° 127463, Published: 04/27/2013 Bull. JM 12, IPC G01M 7/00], containing a platform for installing the test object, based on supports connected with the ground, and elastic elements installed between the platform and the ground, as well as devices that create vertical and horizontal seismic impacts using explosives, installed under the platform and around the perimeter of the platform, devices that create a seismic impact are made in the form of metal cylinders that are muffled on one side and open on the other, and devices that create a horizontal seismic impact are muffled we are rested against the platform, and with open ends directed away from its center, in addition, devices that create a vertical seismic impact are located on a drawer located under the center of the platform. The presented stand for seismic testing of objects most fully reflects the movement of the earth's crust during an earthquake, but seismic impacts reproduce movements only in the horizontal and vertical directions, which is not sufficient for the reproduction of seismic effects, since the seismic effect is not only vertical and horizontal, but also in arbitrary direction. The task is to create a system that most fully simulates the movement of the earth's crust during earthquakes, which could be used not only to test models of buildings and structures for earthquake resistance, but also to certify seismic insulating or seismic protection systems for antiseismicity. To solve this problem, testing of buildings and structures for earthquake resistance, and parallel study of seismic insulating or seismic protection systems and devices is carried out by a stand, which consists of a tested building model or other objects and a foundation model, and tested seismic insulating or seismic protection systems and devices are installed between the building model and the foundation model . As an example, passive seismic isolating devices in the form of balls installed under the building model were selected. In order to simulate the movement of the earth's crust during an earthquake, SHOL OR platform robots with pneumatic or other drives are installed under the building between the foundation model and the stand base. The number of robots depends on the weight of the models of the objects, foundation, seismic insulating and seismic protection systems. The use of the SHOLKOR robot as an earthquake simulator makes it possible to obtain any spatial effect on the foundation. Indeed, in view of the fact that in each SHOLKOR robot the upper platform relative to the lower (in this case, fixed platform) has six controlled degrees of freedom, these robots together can provide any spatial movement of the foundation layout. In the initial (stationary) position, the lengths of the connecting links have some average values. Depending on what kind of movement it is necessary to perform, the lengths of the connecting links may decrease, increase or remain unchanged.
Предлагаемый стенд (Фиг.1) состоит: из испытываемого макета здания или других объектов 3, макета фундамента 4. Причем между макетом здания и макетом фундаментом устанавливаются испытываемые сейсмоизолирующие или сейсмозащитные системы и устройства. В качества примера на фиг.1 выбраны пассивные сейсмоизолирующие устройства-2 в виде шаров, установленные под макетом здания. Для того, чтобы имитировать движение земной коры во время землетрясения, под зданием между неподвижным основание 0 и макетом фундамента 4 устанавливаются 1 - роботы SHOLKOR с пневматическими или другими приводами. Количество роботов зависит от веса макетов объектов, фундамента, сейсмоизолирующих и сейсмозащитных устройств. The proposed stand (Fig. 1) consists of a tested building model or other objects 3, a foundation model 4. Moreover, between the building model and the foundation model, the tested seismic insulating or seismic protection systems and devices are installed. As an example, in Fig. 1, passive seismic isolating devices-2 in the form of balls installed under the building model are selected. In order to simulate the movement of the earth's crust during an earthquake, 1 - SHOLKOR robots with pneumatic or other drives are installed under the building between the stationary base 0 and the layout of the foundation 4. The number of robots depends on the weight of the models of the objects, the foundation, seismic isolation and seismic protection devices.
Робот SHOLKOR (Фиг.2) состоит: из верхней 12 и нижней 11 платформ соединенных звеньями 5-10 переменной длины. В узловых точках A B Ci,
A2,B2,C2 звенья соединяются посредством сферических соединений. Особенность этих роботов заключается в том что, изменяя длины соединительных звеньев с помощью управляемых приводов, получают 95 шесть управляемых степеней подвижности верхней и нижней платформы друг относительно друга. При этом уникальное свойство манипулятора в том, что движения приводов выполняются независимо друг от друга, т.е. каждому изменению длины соединительного звена соответствует определенное положение платформ. В пределах допускаемых шарнирами иThe SHOLKOR robot (Figure 2) consists of: the upper 12 and lower 11 platforms connected by links 5-10 of variable length. At the nodal points AB Ci, A 2 , B 2 , C 2 links are connected via spherical joints. A feature of these robots is that by changing the length of the connecting links with the help of controlled drives, 95 six controlled degrees of mobility of the upper and lower platforms relative to each other are obtained. Moreover, the unique property of the manipulator is that the movements of the drives are performed independently of each other, i.e. each change in the length of the connecting link corresponds to a certain position of the platforms. Within the limits of hinges and
100 геометрическими размерами можно получить требуемое пространственное положение верхней платформы относительно нижней. 100 geometric dimensions, you can get the required spatial position of the upper platform relative to the lower.
Стенд для испытания на антисейсмичность работает следующим образом: роботы SHOLKOR - 1, установленные на неподвижном основании - 0, совершая движение с помощью соединительных звеньев 5 - 10 верхней The anti-seismic test bench works as follows: SHOLKOR robots - 1, mounted on a fixed base - 0, moving with connecting links 5 - 10 of the top
105 платформой, которая служит опорой для фундамента - 4, передают заданное пространственное движение, имитирующее сейсмическое воздействие, на сейсмоизолирующие и сейсмозащитные устройства - 2, на макет здания - 4. либо другой испытуемый объект. 105 platform, which serves as a support for the foundation - 4, transmit the specified spatial motion that simulates seismic effects on seismic insulating and seismic protection devices - 2, on the building model - 4. or another test object.
Так как пространственное движение верхней платформы робота - 1 Since the spatial motion of the upper platform of the robot is 1
ПО воздействует на фундамент - 1 со строго заданной амплитудой и частотой, то фиксируя амплитуду и частоту на макете здания, и делая сравнительный анализ определяем, на сколько снижает уровень сейсмического воздействия передаваемого через сейсмоизолирующие или сейсмозащитные системы 2 на макет здания т.е мы определяем уровень снижения сейсмического
воздействия за счет использования сейсмоизолирующих или сейсмозащитных систем и устройств.
The software acts on the foundation - 1 with a strictly specified amplitude and frequency, then fixing the amplitude and frequency on the building model, and making a comparative analysis, we determine how much it reduces the level of seismic effects transmitted through seismic isolation or seismic protection systems 2 on the building model, i.e. we determine the level seismic reduction impact through the use of seismic insulating or seismic protection systems and devices.
Claims
Формула изобретения Claim
Стенд для испытания на антисейсмичность состоящий из верхней платформы, на которой располагаются испытываемые объекты, например, макет здания и устройства или системы сейсмоизоляции, сейсмозащиты и неподвижного основания между которыми устанавливаются устройства имитирующие движения земной коры при землетрясении отличающийся тем, что платформа, на которой расположены испытываемые объекты может совершать произвольные пространственные движения, колебания в любой плоскости с заданной амплитудой и ускорениями; An antiseismic test bench consisting of an upper platform on which test objects are located, for example, a model of a building and a device or seismic isolation system, seismic protection and a fixed base between which devices simulating the movement of the earth's crust during an earthquake are installed, characterized in that the platform on which the test objects can make arbitrary spatial movements, oscillations in any plane with a given amplitude and accelerations;
По п.1 отличающийся тем, что в качестве устройств имитирующих движение земной коры при землетрясении используются шестиподвижные платформенные роботы SHOLKOR с управляемыми пневмоприводами, гидроприводами или электромеханическими приводами. According to claim 1, characterized in that as devices simulating the movement of the earth's crust during an earthquake, SHOLKOR six-moving platform robots with controlled pneumatic drives, hydraulic drives or electromechanical drives are used.
По п.2 отличающийся тем, что верхние платформы роботов жестко связаны с основанием макета фундамента, а нижние платформы жестко связаны с основанием стенда.
According to claim 2, characterized in that the upper platforms of the robots are rigidly connected to the base of the layout of the foundation, and the lower platforms are rigidly connected to the base of the stand.
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| CN108918060A (en) * | 2018-05-11 | 2018-11-30 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | A kind of dynamic response test device and test method that simulation tunnel is coupled by bottom entering type side direction type |
| CN108919339A (en) * | 2018-05-11 | 2018-11-30 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | It is a kind of simulation meizoseismal area side slope by lateral impact load dynamic response test device and test method |
| CN111175154A (en) * | 2020-01-13 | 2020-05-19 | 温州大学 | Test device for realizing multi-body continuous impact of centrifugal machine |
| CN111595682A (en) * | 2020-04-09 | 2020-08-28 | 中国平煤神马能源化工集团有限责任公司 | Large-scale complex surrounding rock condition anchoring and grouting integrated coupling effect test system and method |
| CN115508035A (en) * | 2022-11-22 | 2022-12-23 | 唐山学院 | Anti-seismic civil test equipment and arrangement method |
| CN117191319A (en) * | 2023-11-08 | 2023-12-08 | 美达源控股集团股份有限公司 | Assembled steel construction building shock resistance detection device |
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| CN107192525A (en) * | 2017-06-13 | 2017-09-22 | 南昌大学 | A kind of civil engineering structure shock test device |
| CN108645587B (en) * | 2018-05-11 | 2019-09-10 | 四川大学 | It is a kind of simulation meizoseismal area tunnel by lateral impact load dynamic response test device and test method |
| CN108645587A (en) * | 2018-05-11 | 2018-10-12 | 四川大学 | It is a kind of to simulate dynamic response test device and test method of the meizoseismal area tunnel by lateral impact load |
| CN108919339B (en) * | 2018-05-11 | 2019-09-10 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | It is a kind of simulation meizoseismal area side slope by lateral impact load dynamic response test device and test method |
| CN108663180A (en) * | 2018-05-11 | 2018-10-16 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | A kind of dynamic response test device and test method that simulation tunnel shakes by normal fault reversed fault hair |
| CN108680323A (en) * | 2018-05-11 | 2018-10-19 | 四川省地质调查院 | A kind of dynamic response test device and test method that simulation tunnel shakes by strike-slip fault hair |
| CN108918060A (en) * | 2018-05-11 | 2018-11-30 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | A kind of dynamic response test device and test method that simulation tunnel is coupled by bottom entering type side direction type |
| CN108919339A (en) * | 2018-05-11 | 2018-11-30 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | It is a kind of simulation meizoseismal area side slope by lateral impact load dynamic response test device and test method |
| CN108489700B (en) * | 2018-05-11 | 2019-09-10 | 四川大学 | It is a kind of simulation meizoseismal area tunnel by bottom entering type impact load dynamic response test device and test method |
| CN108663180B (en) * | 2018-05-11 | 2019-09-10 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | A kind of dynamic response test device and test method that simulation tunnel shakes by normal fault reversed fault hair |
| CN108489700A (en) * | 2018-05-11 | 2018-09-04 | 四川大学 | It is a kind of to simulate dynamic response test device and test method of the meizoseismal area tunnel by bottom entering type impact load |
| CN108918060B (en) * | 2018-05-11 | 2019-09-10 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | A kind of dynamic response test device and test method that simulation tunnel is coupled by bottom entering type side direction type |
| CN108627313A (en) * | 2018-05-11 | 2018-10-09 | 四川大学 | A kind of dynamic response test device and test method that simulation meizoseismal area side slope is coupled by bottom entering type side direction type |
| CN108627313B (en) * | 2018-05-11 | 2019-09-10 | 四川大学 | A kind of dynamic response test device and test method that simulation meizoseismal area side slope is coupled by bottom entering type side direction type |
| CN108680323B (en) * | 2018-05-11 | 2019-09-10 | 四川省地质调查院 | A kind of dynamic response test device and test method that simulation tunnel shakes by strike-slip fault hair |
| CN111175154A (en) * | 2020-01-13 | 2020-05-19 | 温州大学 | Test device for realizing multi-body continuous impact of centrifugal machine |
| CN111175154B (en) * | 2020-01-13 | 2023-01-03 | 温州大学 | Test device for realizing multi-body continuous impact of centrifugal machine |
| CN111595682A (en) * | 2020-04-09 | 2020-08-28 | 中国平煤神马能源化工集团有限责任公司 | Large-scale complex surrounding rock condition anchoring and grouting integrated coupling effect test system and method |
| CN111595682B (en) * | 2020-04-09 | 2023-10-31 | 中国平煤神马控股集团有限公司 | Large-scale complex surrounding rock condition anchoring and grouting integrated coupling effect test system and method |
| CN115508035A (en) * | 2022-11-22 | 2022-12-23 | 唐山学院 | Anti-seismic civil test equipment and arrangement method |
| CN115508035B (en) * | 2022-11-22 | 2023-03-24 | 唐山学院 | Anti-seismic civil test equipment and arrangement method |
| CN117191319A (en) * | 2023-11-08 | 2023-12-08 | 美达源控股集团股份有限公司 | Assembled steel construction building shock resistance detection device |
| CN117191319B (en) * | 2023-11-08 | 2024-01-26 | 美达源控股集团股份有限公司 | Assembled steel construction building shock resistance detection device |
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