CN203200946U

CN203200946U - Both-way energy consumption soft steel energy dissipation device

Info

Publication number: CN203200946U
Application number: CN 201320110646
Authority: CN
Inventors: 黄镇; 刘峰; 李爱群
Original assignee: Southeast University
Current assignee: Southeast University
Priority date: 2013-03-12
Filing date: 2013-03-12
Publication date: 2013-09-18
Anticipated expiration: 2023-03-12

Abstract

The utility model discloses a both-way energy consumption soft steel energy dissipation device which comprises a core energy consumption component. The core energy consumption component comprises three rectangular energy consumption steel plates forming an I-shaped structure, the three rectangular energy consumption steel plates are recorded as a left rectangular energy consumption steel plate, a middle rectangular energy consumption steel plate and a right rectangular energy consumption steel plate respectively, and the middle rectangular energy consumption steel plate is fixed between the left rectangular energy consumption steel plate and the right rectangular energy consumption steel plate. Dimension parameters of the three rectangular energy consumption steel plates are required to be specifically determined according to the engineering requirement and the shock absorption requirement. According to the both-way energy consumption soft steel energy dissipation device, the combining design of the two principles of bending yield and cutting yield is based, and meanwhile in-face cutting yield energy consumption and out-face bending yield energy consumption are achieved. The core part is made of low yield point steel, through the reasonable arrangement of the three rectangular energy consumption steel plates, the yield energy consumption under set inter-layer displacement deformation during the geological action is guaranteed, structural damage is avoided, and the protective effect is achieved.

Description

Two-way power consumption mild steel sinker

Technical field

The utility model relates to a kind of engineering structures damping device, relates in particular to a kind of two-way power consumption mild steel sinker, belongs to energy-dissipating and shock-absorbing and the vibration control technology of engineering structures.

Background technology

Engineering structures energy-dissipating and shock-absorbing technology is at some position of works energy dissipator to be set, producing hysteresis by energy dissipator is out of shape to dissipate or absorbs energy in the earthquake input structure, to reduce the earthquake response of agent structure, thereby avoid structure generation to destroy or collapse, reach the purpose of damping control.Present sinker basically all single power consumption principle make, have certain deficiency,, hysteresis loop " Draw shrinkage obvious " unstable such as cracking etc. (such as Fig. 4, Fig. 5 and shown in Figure 6); Existing mild steel sinker, be divided into from stress form: axially surrender type, crooked surrender type, shear yielding type and torque yield type, because the direction of geological process has uncertainty, be difficult to guarantee therefore that the single mild steel sinker of these power consumption directions can effectively play a role when earthquake.

The utility model content

Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides the two-way power consumption mild steel sinker of a kind of simplicity of design, easy to process, stable performance, realizes the power consumption of inplane shear power consumption and out-of-plane bending, consumes the earthquake motion energy.

Technical scheme: for achieving the above object, the technical solution adopted in the utility model is:

Two-way power consumption mild steel sinker, comprise the core dissipative member, described core dissipative member comprises three rectangle Wasted-energy steel plates that consist of I-shaped structure, described three rectangle Wasted-energy steel plates are designated as respectively left side rectangle power consumption plate, intermediate rectangular power consumption plate and right side rectangle power consumption plate, and described intermediate rectangular power consumption plate is fixed between left side rectangle power consumption plate and the right side rectangle power consumption plate.The dimensional parameters of three rectangle Wasted-energy steel plates needs to require concrete definite according to requirement of engineering and damping.

Preferably, the material of described three rectangle Wasted-energy steel plates is mild steel plate (low yield point steel plate).

Preferably, between described left side rectangle power consumption plate and the intermediate rectangular power consumption plate, connect by fillet weld between intermediate rectangular power consumption plate and the right side rectangle power consumption plate.

Above-mentioned sinker, when geological process causes building generation stratified deformation, the surrender of core dissipative member, the energy of the earthquake that can dissipate input, the purpose of realization energy-dissipating and shock-absorbing.Different from single power consumption direction, single power consumption principle, this sinker based on bending surrender and two kinds of principles of shear yielding in conjunction with design, realize that simultaneously inplane shear surrender power consumption and out-of-plane bending surrender consume energy; By three rectangle Wasted-energy steel plates of reasonable Arrangement, can both energy-dissipating and shock-absorbing when the either direction geological process.

Preferably, also comprise top board and base plate, described top board is fixed on the upper surface of core dissipative member, and described base plate is fixed on the lower surface of core dissipative member.Top board is connected design with base plate be to be connected with building for convenient.

More preferred, between described top board and the core dissipative member, connect by full impregnated butt welding between core dissipative member and the base plate.

More preferred, be provided with the roof bolt hole that is connected usefulness with building on the described top board, be provided with the bed bolt hole that is connected usefulness with building on the described base plate.During use, top board is connected with beam by high-strength bolt, and base plate is connected with chevron shaped support or intermediate studdle by frictional high-strength bolts, and general sinker should not weld with building, is bolted can conveniently shake afterwards sinker is overhauled and changes.

More preferred, the material of described top board and base plate is general steel plate.

The sinker that this case provides is nonload bearing element, can not bear the weight of fabric structure, does not change constructure body structure vertical applied force system after sinker is installed; The sinker that this case provides both can be used for the seismic design of new building, also can be used for the anti-seismic reinforcement design of existing building.

Beneficial effect: the two-way power consumption mild steel sinker that the utility model provides, based on the combination design of bending surrender and two kinds of principles of shear yielding, realize that simultaneously the inplane shear surrender is consumed energy and the out-of-plane bending surrender is consumed energy; The core adopts low-yield firm, and by three rectangle Wasted-energy steel plates of reasonable Arrangement, structural deterioration is avoided in surrender power consumption under the relative storey displacement distortion of setting when guaranteeing geological process, plays a protective role.

Description of drawings

Fig. 1 is the structural representation of facing of the present utility model;

Fig. 2 is side-looking structural representation of the present utility model;

Fig. 3 is plan structure schematic diagram of the present utility model;

Fig. 4 is single rectangular power consumption plate inplane shear surrender cracking;

Fig. 5 is single rectangular power consumption plate out-of-plane bending surrender cracking;

Fig. 6 is single rectangular power consumption plate inplane shear surrender hysteresis loop;

Fig. 7 is under the X-direction geological process, cracking of the present utility model;

Fig. 8 is under the Y-direction geological process, cracking of the present utility model;

Fig. 9 is under the X-direction geological process, hysteresis loop of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Such as Fig. 1, Fig. 2, Figure 3 shows that a kind of two-way power consumption mild steel sinker, comprise core dissipative member, top board 1 and base plate 6; Described core dissipative member comprises three rectangle Wasted-energy steel plates that consist of I-shaped structure, described three rectangle Wasted-energy steel plates are designated as respectively left side rectangle power consumption plate 3, intermediate rectangular power consumption plate 4 and right side rectangle power consumption plate 5, and described intermediate rectangular power consumption plate 4 is fixed between left side rectangle power consumption plate 3 and the right side rectangle power consumption plate 5; Described top board 1 is fixed on the upper surface of core dissipative member, and described base plate 6 is fixed on the lower surface of core dissipative member, is provided with the roof bolt hole 2 that is connected usefulness with building at top board 1, is provided with the bed bolt hole 7 that is connected usefulness with building at base plate 6.

The material of described three rectangle Wasted-energy steel plates is mild steel plate, and the material of described top board 1 and base plate 6 is general steel plate; Described left side rectangle power consumption plate 3 and intermediate rectangular consume energy between the plate 4, intermediate rectangular consumes energy plate 4 and the right side rectangle consumes energy connects by fillet weld between the plate 5; Between described top board 1 and the core dissipative member, connect by full impregnated butt welding between core dissipative member and the base plate 6.

During use, top board 1 is connected with beam by high-strength bolt, and base plate 6 is connected with chevron shaped support or intermediate studdle by frictional high-strength bolts.

During work, when earthquake effect X-direction is inputted, intermediate rectangular power consumption plate 4 inplane shears surrender power consumption, left side rectangle power consumption plate 3, right side rectangle power consumption plate 5 out-of-plane bendings surrender power consumption.Simultaneously, left side rectangle power consumption plate 3, right side rectangle power consumption plate 5 are equivalent to the edge of a wing of intermediate rectangular power consumption plate 4, effectively retrain the compound bending distortion at its edge, thereby improve the bearing capacity of sinker, improve Hysteresis Behavior.When earthquake effect Y-direction is inputted, left side rectangle power consumption plate 3, the power consumption of right side rectangle power consumption plate 5 shear yieldings, intermediate rectangular power consumption plate 4 out-of-plane bendings surrender power consumption, simultaneously intermediate rectangular power consumption plate 4 has retrained the protruding bent distortion in the middle of left side rectangle power consumption plate 3, the right side rectangle power consumption plate 5 effectively, thereby improve the bearing capacity of sinker, improve Hysteresis Behavior.

Such as Fig. 7, Fig. 8, shown in Figure 9, above-mentioned sinker, adopt crooked, two kinds of principle designs of shearing, each other collaborative work, overcome separately not enoughly, make in X-direction, Y-direction to be used for energy-dissipating and shock-absorbing, namely have two groups of different performance parameters and can supply design alternative, so that it has more advantage in application, can reach the effect of " 1+1＞2 ".It is as follows that above-mentioned sinker manufactures and designs flow process:

(1) designs the size (length, width, thickness) of right side rectangle power consumption plate 3, intermediate rectangular power consumption plate 4, left side rectangle power consumption plate 5 according to the performance parameter (yield displacement, elastic stiffness, yield force etc.) of requirement of engineering;

(2) extreme displacement of setting according to engineering is designed the size (length, width, thickness) of top board 1 and base plate 6, the relevant parameter (quantity, diameter, performance rate) of high-strength bolt;

(3) adopt fillet weld to connect three rectangle Wasted-energy steel plates, finish the manufacturing of core dissipative member;

(4) adopt full penetration butt welding connection core dissipative member and top board, base plate.

In whole welding process, should not consume energy that the starting the arc is welded in plate 4 positions or the nonstandard processing technology such as the arc that falls in intermediate rectangular, in order to avoid localized heat stress has a negative impact to a surrender section performance.Answer simultaneously Fire Hazard Area, preservative treatment.

The above only is preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. two-way power consumption mild steel sinker, it is characterized in that: comprise the core dissipative member, described core dissipative member comprises three rectangle Wasted-energy steel plates that consist of I-shaped structure, described three rectangle Wasted-energy steel plates are designated as respectively left side rectangle power consumption plate (3), intermediate rectangular power consumption plate (4) and right side rectangle power consumption plate (5), and described intermediate rectangular power consumption plate (4) is fixed between left side rectangle power consumption plate (3) and the right side rectangle power consumption plate (5).

2. two-way power consumption mild steel sinker according to claim 1, it is characterized in that: the material of described three rectangle Wasted-energy steel plates is mild steel plate.

3. two-way power consumption mild steel sinker according to claim 1 is characterized in that: between described left side rectangle power consumption plate (3) and the intermediate rectangular power consumption plate (4), intermediate rectangular power consumption plate (4) and right side rectangle consume energy and connects by fillet weld between the plate (5).

4. two-way power consumption mild steel sinker according to claim 1, it is characterized in that: also comprise top board (1) and base plate (6), described top board (1) is fixed on the upper surface of core dissipative member, and described base plate (6) is fixed on the lower surface of core dissipative member.

5. two-way power consumption mild steel sinker according to claim 4 is characterized in that: between described top board (1) and the core dissipative member, connect by full impregnated butt welding between core dissipative member and the base plate (6).

6. two-way power consumption mild steel sinker according to claim 4 is characterized in that: be provided with the roof bolt hole (2) that is connected usefulness with building on the described top board (1), be provided with the bed bolt hole (7) that is connected usefulness with building on the described base plate (6).

7. two-way power consumption mild steel sinker according to claim 4, it is characterized in that: the material of described top board (1) and base plate (6) is general steel plate.