SU1293518A1 - Installation for testing specimen of cross-shaped structure - Google Patents

Installation for testing specimen of cross-shaped structure Download PDF

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Publication number
SU1293518A1
SU1293518A1 SU853905115A SU3905115A SU1293518A1 SU 1293518 A1 SU1293518 A1 SU 1293518A1 SU 853905115 A SU853905115 A SU 853905115A SU 3905115 A SU3905115 A SU 3905115A SU 1293518 A1 SU1293518 A1 SU 1293518A1
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SU
USSR - Soviet Union
Prior art keywords
sample
lever
clamps
press
jack
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SU853905115A
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Russian (ru)
Inventor
Илья Георгиевич Гоголадзе
Тенгиз Мамиевич Джанджгава
Рамаз Семенович Кацарава
Александр Михайлович Кимберг
Original Assignee
Тбилисский зональный научно-исследовательский и проектный институт типового и экспериментального проектирования жилых и общественных зданий
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Priority to SU853905115A priority Critical patent/SU1293518A1/en
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Publication of SU1293518A1 publication Critical patent/SU1293518A1/en

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Abstract

Изобретение относитс  к области строительства. Цель изобретени  - упрощение и расщирение диапазона испытаний. Установка включает основание 1, силовую раму 2, приспособление дл  закреплени  образца 3, нагрузочное и измерительное приспособлени . Нагрузочное приспособление имеет домкрат 11, пульсирующий пресс 4 с пружиной 5. одн зплечий рычаг 8 и двуплечий рычаг 6 с хомутами 7, закрепл емыми на образце. Вертикальные нагрузки создаютс  в образце с помощью домкрата, а пульсирующие напр жени  изгиба - при перемещении одноплечего рычага и двуп.те- чего рычага с хомутами. 1 ил. S (Л to СО со СП СХ5This invention relates to the field of construction. The purpose of the invention is to simplify and extend the test range. The installation includes a base 1, a power frame 2, a device for fixing the sample 3, a load and measuring device. The loading device has a jack 11, a pulsating press 4 with a spring 5. One shoulder lever 8 and a double-arm lever 6 with clamps 7 fixed to the specimen. Vertical loads are created in the specimen with the help of a jack, and pulsating bending stresses are generated when the one-arm lever and the double-ended arm with clamps move. 1 il. S (L to CO with SP CX5

Description

Изобретение относитс  к строительству, в частности к испытани м строительных конструкций.The invention relates to the construction, in particular to the testing of building structures.

Цель изобретени  - упрощение и расширение диапазона испытаний.сThe purpose of the invention is to simplify and extend the range of tests.

На чертеже схематически представлена установка, общий вид.The drawing shows schematically the installation, the overall appearance.

Установка включает основание 1 и силовую раму 2 дл  испытани  образца 3 крестообразной строительной конструкции. Образец 3 испытываетс  с помощью нагру- О зочного приспособлени , включающего пульсирующий пресс 4, пружину 5, двуплечий рычаг 6 с хомутами 7 и одноплечий рычаг 8.The installation includes a base 1 and a power frame 2 for testing sample 3 of a cruciform building structure. Sample 3 is tested using a loading device, including a pulsating press 4, a spring 5, a two-arm lever 6 with clamps 7 and a single-arm lever 8.

Двуплечий рычаг 6 установлен на силовой раме 2 с помощью щарнира 9. Хомуты 7 закреплены на двуплечем рычаге 6 с помощью щарниров 10. Дл  вертикального нагружени  образца 3 имеетс  домкрат 11. Одноплечий рычаг 8 пропущен между порщнем 12 пульсирующего пресса 4 и пружиной 5 и соединен щарнирами 13 и 14 соответственно с основанием 1 и двуплечим рычагом 6. Приспособление дл  закреплени  образца 3 имеет поперечины 15, шарниры 16 дл  закреплени  образца 3, стойку 17 и раскосы 18.The double-shouldered lever 6 is mounted on the power frame 2 by means of hinge 9. The clamps 7 are fixed on the double-arm lever 6 by means of hinges 10. For vertical loading of sample 3 there is a jack 11. The single-shouldered lever 8 is passed between the pulsating press 4 and the spring 5 and connected by hinges 13 and 14, respectively, with the base 1 and the double-arm lever 6. The fixture for securing sample 3 has cross members 15, hinges 16 for fixing specimen 3, a post 17 and braces 18.

1515

2020

етс  с помощью домкрата 11. При включении пульсирующего пресса 4 его поршень 12 поднимаетс  и опускаетс . При подъеме поршн  12 одноплечий рычаг 8 поднимаетс , передает усилие на двуплечий рычаг 6 и через хомуты 7 - на образец 3. При опускании порщн  12 под действием пружины 5 одноплечий рычаг 8 опускаетс  и передает усилие обратного знака через двуплечий рычаг 6 и хомуты 7 на образец 3. Таким образом, образец 3 может одновременно или по отдельности нагружатьс  вертикальным усилием от домкрата 11 и пульсирующими нагрузками разного знака от хомутов 7, вызывающих в нем напр жени  изгиба.With the aid of a jack 11. When the pulsating press 4 is turned on, its piston 12 rises and falls. When the piston is lifted, the 12 single-arm lever 8 rises, transmits the force to the double-shouldered lever 6 and through the clamps 7 to the sample 3. When the Porsch 12 is lowered under the action of the spring 5, the single-arm lever 8 lowers and transmits the reverse sign force through the double-shouldered lever 6 and clamps 7 to the sample 3. Thus, the sample 3 can be simultaneously or individually loaded with a vertical force from the jack 11 and pulsating loads of different signs from the clamps 7, causing bending stresses in it.

Claims (1)

Формула изобретени Invention Formula Установка дл  испытаний образца крестообразной строительной конструкции, включающа  основание, силовую раму, приспособление дл  закреплени  образца, нагрузочное и измерительные приспособлени , отличающа с  тем, что, с целью упрощени  и расн ирени  диапазона испытаний, нагрузочное приспособление выполнено в видеA test facility for a cruciform building structure, including a base, a power frame, a device for fixing a sample, load and measuring devices, in order to simplify and accommodate the test range, the load device is Установка работает следующим образом. 25домкрата пульсирующего пресса с пружиной,The installation works as follows. 25 ram of a pulsing press with a spring, В силовую раму 2 над домкратом 11 ус-двуплечего рычага с хомутами, шарнирноIn the power frame 2 over the jack 11 us-two shoulders lever with clamps, pivotally танавливают образец 3, который соедин етс установленного на силовой раме, и рычага,tant sample 3, which is connected mounted on the power frame, and the lever, с поперечинами 15 с помощью шарниров 16.пропущенного между порщнем пресса и пруЗатем на образец 3 закрепл ют хомуты 7.жиной, концы которого щарнирно соединеныwith the crossbars 15 with the help of hinges of a press 16 missed between the press and the rod. Then on the sample 3 clamps of a 7. rubber are fastened, the ends of which are hinged Вертикальное осевое нагружение осуществл -с основанием и двуплечим рычагом.Vertical axial loading is carried out with the base and two shoulders lever. етс  с помощью домкрата 11. При включении пульсирующего пресса 4 его поршень 12 поднимаетс  и опускаетс . При подъеме поршн  12 одноплечий рычаг 8 поднимаетс , передает усилие на двуплечий рычаг 6 и через хомуты 7 - на образец 3. При опускании порщн  12 под действием пружины 5 одноплечий рычаг 8 опускаетс  и передает усилие обратного знака через двуплечий рычаг 6 и хомуты 7 на образец 3. Таким образом, образец 3 может одновременно или по отдельности нагружатьс  вертикальным усилием от домкрата 11 и пульсирующими нагрузками разного знака от хомутов 7, вызывающих в нем напр жени  изгиба.With the aid of a jack 11. When the pulsating press 4 is turned on, its piston 12 rises and falls. When the piston is lifted, the 12 single-arm lever 8 rises, transmits the force to the double-shouldered lever 6 and through the clamps 7 to the sample 3. When the Porsch 12 is lowered under the action of the spring 5, the single-arm lever 8 lowers and transmits the reverse sign force through the double-shouldered lever 6 and clamps 7 to the sample 3. Thus, the sample 3 can be simultaneously or individually loaded with a vertical force from the jack 11 and pulsating loads of different signs from the clamps 7, causing bending stresses in it. Формула изобретени Invention Formula Установка дл  испытаний образца крестообразной строительной конструкции, включающа  основание, силовую раму, приспособление дл  закреплени  образца, нагрузочное и измерительные приспособлени , отличающа с  тем, что, с целью упрощени  и расн ирени  диапазона испытаний, нагруAn apparatus for testing a cross-type building structure, including a base, a power frame, a device for securing a sample, load and measuring devices, in order to simplify and distribute the test range, load
SU853905115A 1985-04-11 1985-04-11 Installation for testing specimen of cross-shaped structure SU1293518A1 (en)

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