SU746045A1

SU746045A1 - Foundation of earthquake-proof building

Info

Publication number: SU746045A1
Application number: SU772555044A
Authority: SU
Inventors: Владимир Павлович Чуднецов; Людмила Леонидовна Солдатова
Original assignee: Фрунзенский политехнический институт
Priority date: 1977-12-13
Filing date: 1977-12-13
Publication date: 1980-07-07

Description

(54) ФУНДАМЕНТ СЕЙСМОСТОЙКОГО ЗДАНИЯ(54) THE FOUNDATION OF THE SEISMIC RESISTANT BUILDING

II

J-.Изобретение относитс к области строительства , а именно к конструкци м фундаментов сейсмостойких зданий.J-.The invention relates to the field of construction, namely to the structures of the foundations of earthquake-resistant buildings.

Известен фундамент сейсмостойкого здани , включающий верхние и нижние опорные по са и размещенные между ними вертикальные амортизирующие опорные элементы I.The foundation of the earthquake-resistant building is known, including the upper and lower supporting structures and the vertical shock-absorbing supporting elements I placed between them.

Недостатком известного фундамента вл етс ненадежность его работы.A disadvantage of the known foundation is the unreliability of its operation.

Наиболее близким техническим рещением к предлагаемому изобретению вл етс фундамент сейсмостойкого здани , включающий верхний и нижний опорные по са и размещенные между ними вертикальные и горизонтальные амортизирующие опорные элементы 2.The closest technical solution to the present invention is the foundation of the earthquake-resistant building, including the upper and lower supporting surfaces and the vertical and horizontal shock-absorbing supporting elements placed between them.

Недостатком этого фундамента вл етс его недолговечность, обусловленна одноразовой работой горизонтальных амортизаторов , которые неспособны восстанавливатьс после неупругих деформаций. Така конструкци требует дополнительных затрат на восстановление амортизирующих элементов и устранение возможного смещейй зДа- ни относительно фундамента.The disadvantage of this foundation is its fragility, due to the one-time operation of horizontal shock absorbers, which are unable to recover from inelastic deformations. Such a structure requires additional costs for restoring the damping elements and eliminating possible building shifts relative to the foundation.

Цель изобретени - повышение надежности работь фундамента.The purpose of the invention is to increase the reliability of the foundation.

Это достигаетс за счет того, что в фунменте сейсмостойкого здани , включающем верхний и нижний опорные по са и размеg щенные между ними вертикальные и горизонтальные амортизирующие опорные элементы , каждый горизонтальный амортизирующий опорный элемент снабжен упорами, установленными на его торцах.This is achieved due to the fact that in the function of an earthquake-resistant building, including the upper and lower supporting surfaces and the vertical and horizontal shock-absorbing supporting elements spaced between them, each horizontal shock-absorbing supporting element is provided with stops mounted on its ends.

На чертеже изображен описываемый 10 фундамент, общий вид.The drawing depicts the described 10 foundation, a general view.

Claims

The foundation of the earthquake-resistant building consists of the upper I and the lower 2 reinforced concrete bearing boards, between which are located Bepfical shock-absorbing supporting elements 3, made of a material with a low coefficient of friction and perceiving vertical influences, and horizontal damping supporting elements 4, which perceive horizontal influences and made on the ends 20 with stops 5 moving along the guides 6. Horizontal damping elements 4 are placed in trough-shaped depressions, symmetrically located zheny in the top I and bottom 2 support sakh. Under seismic action, the lower support H1, 1J through C 2 begins to move relative to the upper support belt 1, together with one of the movable stops 5. The upper support one from 1 and the other movable stop 5 remain in place due to the inertia of the building. By bringing the lugs 5 together, the horizontal damping element 4 is compressed by an amount relative to the movement of the supporting ribs 1 and 2. Due to the inelastic characteristics of the vertical damping supporting element 3, the building energy oscillations are smoothly attenuated. The limitation of the relative displacement of the support masses occurs without impact. The shock-absorbing support elements in the absence of seismic loads are not stressed and, if necessary, can be replaced. The described foundation reduces the horizontal inertial loads transmitted to the building by seismic effects, which reduces the cost of costs and the metal intensity of anti-seismic measures. Claims The foundation of an earthquake-resistant building includes upper and lower supporting plates and vertical and horizontal shock-absorbing support elements placed between them, characterized in that, in order to increase the reliability of operation, each horizontal shock-absorbing support element is provided with stops mounted on its ends. Sources of information taken into account during the examination 1. USSR author's certificate No. 316817, cl. E 02 D 27/34, 1966.

2. Structures of seismic resistant buildings in foreign construction. Overview TsINIS Gosstro USSR. M., 1974, p. 27.