阅读说明：本技术 一种提高桥墩耗能能力的安装结构 (Mounting structure for improving pier energy dissipation capacity ) 是由 邹爽 温留汉·黑沙 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种提高桥墩耗能能力的安装结构,包括桥墩、盖梁、梁体、摩擦摆支座和叠层橡胶支座,所述盖梁固定至桥墩顶部,盖梁呈U字型,盖梁的两侧分别设有向上竖直延伸的侧壁,摩擦摆支座的一端固定至盖梁的顶面,另一端固定至T型梁体的腹板,叠层橡胶支座的一端固定至T型梁体的腹板侧面,另一端固定至盖梁的侧壁。通过由摩擦摆支座和叠层橡胶支座并联形成的功能分离型外置可更换耗能装置,使得两种减隔震支座不偶连,组合后的装置传力路径明确、各部件功能单一,易于精细化设计和控制,可广泛应用于地震区的桥墩当中。将两种减隔震支座组合使用,充分发挥摩擦摆支座竖向承载力大、自复位能力好、叠层橡胶支座滞回耗能性能强的优点。(The invention discloses an installation structure for improving the energy consumption capability of a pier, which comprises the pier, a capping beam, a beam body, a friction swing support and a laminated rubber support, wherein the capping beam is fixed to the top of the pier and is U-shaped, two sides of the capping beam are respectively provided with a side wall extending upwards vertically, one end of the friction swing support is fixed to the top surface of the capping beam, the other end of the friction swing support is fixed to a web plate of the T-shaped beam body, one end of the laminated rubber support is fixed to the side surface of the web plate of the T-shaped beam body, and the other end of the laminated rubber support is fixed to the side. Through the external replaceable energy consumption device of function separation type that is parallelly connected to form by friction pendulum support and stromatolite rubber support for two kinds subtract shock insulation support not even, the device power transmission path after the combination is clear and definite, each part function singleness, easily design and control become more meticulous, but wide application in the middle of the pier in earthquake district. The two shock absorption and isolation supports are combined for use, and the advantages of large vertical bearing capacity, good self-resetting capability and strong hysteresis energy consumption performance of the laminated rubber support of the friction pendulum support are fully exerted.)

1. The utility model provides an improve mounting structure of pier power consumption ability, its characterized in that, includes pier, bent cap, the T type roof beam body, rubs pendulum support and stromatolite rubber support, the bent cap is fixed to the pier top, and the bent cap is the U style of calligraphy, and the both sides of bent cap are equipped with the lateral wall of upwards vertical extension respectively, and the one end of friction pendulum support is fixed to the top surface of bent cap, and the other end is fixed to the web of the T type roof beam body, and the one end of stromatolite rubber support is fixed to the web side of the T type roof beam body, and the other end is fixed to the lateral wall of bent cap.

2. The installation structure for improving the energy dissipation capacity of a pier according to claim 1, wherein the friction pendulum support comprises an upper connection plate and a lower connection plate at two ends, the upper connection plate is fixed to the web of the T-shaped beam body through a stud, and the lower connection plate is fixed to the top surface of the cap beam through a stud.

3. The mounting structure for improving energy consumption capability of a pier according to claim 1, wherein the laminated rubber mount comprises an upper mounting plate and a lower mounting plate at both ends, the upper mounting plate is fixed to a side wall of the cap beam by a stud, and the lower mounting plate is fixed to a side face of a web of the T-shaped beam body by a stud.

4. The utility model provides an improve mounting structure of pier power consumption ability, a serial communication port, including pier, bent cap, the roof beam body, friction pendulum support and stromatolite rubber support, the bent cap is fixed to the pier top, and the top surface of bent cap is seted up flutedly, and two friction pendulum supports are located the left and right sides of recess respectively, and the one end of friction pendulum support is fixed to the top surface of bent cap, and the other end is fixed to the bottom surface of the roof beam body, and stromatolite rubber support is including last mounting panel and the lower mounting panel that is located both ends, goes up the mounting panel and passes through the bottom surface that the peg is fixed to the roof beam body, and in the lower mounting panel embedding recess, the size of.

5. The installation structure for improving energy consumption capacity of pier according to claim 4, wherein the depth of the groove is h₁The depth of the laminated rubber support entering the groove is h₂Wherein h is₁Greater than h₂。

6. The mounting structure for improving energy consumption of a pier according to claim 4, wherein the groove has a cross-sectional dimension of a x b, and the lower mounting plate has a dimension of a x b.

7. The installation structure for improving the energy dissipation capacity of a pier according to claim 4, further comprising a pad stone located on the top surface of the capping beam, wherein the friction pendulum support comprises an upper connection plate and a lower connection plate located at both ends, the upper connection plate is fixed to the bottom surface of the beam body through a stud, and the lower connection plate is fixed to the top surface of the pad stone through a stud.

8. The utility model provides an improve mounting structure of pier power consumption ability, a serial communication port, including pier, the roof beam body, fixed plate, friction pendulum support and stromatolite rubber support, the pier is the double column mound structure including two piers, is equipped with two fixed plates between two piers, and the both ends of two fixed plates are fixed respectively to the lateral wall of two piers, and accommodating space is enclosed out jointly to the lateral wall of two fixed plates and two piers, and the one end of friction pendulum support is fixed to the bottom surface of the roof beam body, and the other end is fixed to the top surface of pier, and stromatolite rubber support is including last mounting panel and the lower mounting panel that is located both ends, goes up the mounting panel and passes through the bottom surface that the stud is fixed to the roof beam body, and the lower mounting panel is located accommodating space, and.

9. The installation structure for improving energy consumption of a pier according to claim 8, further comprising a pad stone located on a top surface of the pier, wherein the friction pendulum support comprises an upper connection plate and a lower connection plate located at both ends, the upper connection plate is fixed to a bottom surface of the beam body by a stud, and the lower connection plate is fixed to the top surface of the pad stone by a stud.

10. The mounting structure for improving energy consumption of a pier according to claim 8, wherein the length of the fixing plate is a, the distance between the fixing plates is b, the lower mounting plate is square, and the length and the width of the lower mounting plate are a and b.

Technical Field

The invention relates to the technical field of pier damping and energy dissipation, in particular to a mounting structure for improving pier energy dissipation capacity.

Background

With the development of bridge technology, the proportion of the bridge in highways and railways is larger and larger, and the influence of seismic force on the safety of the bridge is more and more noticed by bridge workers. The energy consumption and vibration reduction performance of the bridge pier becomes an important performance index for popularization and application in bridge engineering in high and medium-intensity areas. Especially, the prefabricated section assembled pier has large displacement demand and poor energy consumption capability under the action of earthquake, and becomes a problem which needs to be solved for popularization and application in bridge engineering in middle and high intensity areas. The seismic isolation and reduction technology has the characteristics of clear concept, obvious effect, remarkable economic benefit and the like, and is always a hot spot for research and application at home and abroad. In japan, the united states, china, and other countries, much work has been done on the research and application of seismic isolation and reduction techniques. In recent years, the technology is rapidly popularized and used in bridge engineering. The existing method greatly increases the design complexity and construction difficulty of the bridge pier, and even some reinforcing methods can obviously change the rigidity of the bridge pier, so that negative effects of unclear force transmission path, more complex earthquake response and the like are generated. Therefore, in order to promote the pier in a high-intensity earthquake area, the invention of a method which can reinforce the pier rapidly, effectively and has a simple principle to improve the energy consumption capability of the pier, particularly the prefabricated section assembled pier under the earthquake action is urgently needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a mounting structure for improving the energy consumption capability of a pier, and solves the outstanding problem that the pier, particularly a prefabricated section assembled pier, is weak in energy consumption capability under the action of an earthquake.

The technical scheme of the invention is as follows: the utility model provides an improve mounting structure of pier power consumption ability, includes pier, bent cap, the T type roof beam body, rubs pendulum support and stromatolite rubber support, the bent cap is fixed to the pier top, and the bent cap is the U style of calligraphy, and the both sides of bent cap are equipped with the lateral wall of upwards vertical extension respectively, and the one end of friction pendulum support is fixed to the top surface of bent cap, and the other end is fixed to the web of the T type roof beam body, and the one end of stromatolite rubber support is fixed to the web side of the T type roof beam body, and the other end is fixed to the lateral wall of bent cap. The external replaceable energy consumption device with the separated functions is formed by connecting the friction pendulum support and the laminated rubber support in parallel, so that the two shock absorption and isolation supports are not connected, and the combined device has the characteristics of clear force transmission path, single function of each component, easiness in fine design and control, and can be widely applied to piers in a seismic region.

Further, the friction pendulum support comprises an upper connecting plate and a lower connecting plate which are located at two ends, the upper connecting plate is fixed to a web of the T-shaped beam body through a stud, and the lower connecting plate is fixed to the top surface of the cover beam through the stud.

Further, the laminated rubber support comprises an upper mounting plate and a lower mounting plate which are located at two ends, the upper mounting plate is fixed to the side wall of the cover beam through a stud, and the lower mounting plate is fixed to the side face of the web of the T-shaped beam body through the stud.

The other technical scheme of the invention is as follows: the utility model provides an improve mounting structure of pier power consumption ability, includes pier, bent cap, the roof beam body, friction pendulum support and stromatolite rubber support, the pier is the single-column pier, and the bent cap is fixed to the pier top, and the top surface of bent cap is seted up flutedly, and two friction pendulum supports are located the left and right sides of recess respectively, and the one end of friction pendulum support is fixed to the top surface of bent cap, and the other end is fixed to the bottom surface of the roof beam body, and stromatolite rubber support is including last mounting panel and the lower mounting panel that is located both ends, goes up the mounting panel and passes through the bottom surface that the peg is fixed to the roof beam body, and in the lower mounting panel embedding recess. The lower mounting plate is limited through the groove, so that the lower mounting plate of the laminated rubber support cannot move in a plane, and the lower mounting plate can freely move in the vertical direction.

Further, the depth of the groove is h₁The depth of the laminated rubber support entering the groove is h₂Wherein h is₁Greater than h₂So as to ensure that the laminated rubber support does not bear the vertical load.

Further, the cross section specification of recess is a b, and the specification of lower mounting panel is a b.

Further, still include the bed stone, the bed stone is located the top surface of bent cap, the friction pendulum support is including the upper junction plate and the lower connecting plate that are located both ends, and the upper junction plate passes through the peg to be fixed to the bottom surface of roof beam body, and the lower connecting plate passes through the peg to be fixed to the top surface of bed stone.

The other technical scheme of the invention is as follows: the utility model provides an improve mounting structure of pier power consumption ability, includes pier, the roof beam body, fixed plate, friction pendulum support and stromatolite rubber support, the pier is for the double column mound structure including two column piers, is equipped with two fixed plates between two column piers, and the both ends of two fixed plates are fixed respectively to the lateral wall of two column piers, and accommodating space is enclosed out jointly to the lateral wall of two fixed plates and two column piers, and the one end of friction pendulum support is fixed to the bottom surface of the roof beam body, and the other end is fixed to the top surface of column pier, and stromatolite rubber support is including last mounting panel and the lower mounting panel that is located both ends, goes up the mounting panel and passes through the bottom surface that the peg is fixed to the roof beam body, and lower mounting panel is located. Carry on spacingly to the mounting panel down through fixed plate and pier jointly for the lower mounting panel of stromatolite rubber support can not remove in the plane, and vertical direction can freely move about, does not bear vertical load effect with guaranteeing stromatolite rubber support.

Further, still include the stone of packing, the stone of packing is located the top surface of pier, the friction pendulum support is including the upper junction plate and the lower connecting plate that are located both ends, and the upper junction plate passes through the peg to be fixed to the bottom surface of roof beam body, and the lower connecting plate passes through the peg to be fixed to the top surface of stone of packing.

Further, the length of the fixing plate is a, the distance between the two fixing plates is b, the lower mounting plate is square, and the length and the width of the lower mounting plate are a and b.

Compared with the prior art, the invention has the following beneficial effects:

according to the mounting structure for improving the energy consumption capability of the pier, two seismic isolation and reduction supports are combined for use, and the advantages of large vertical bearing capacity, good self-resetting capability and strong hysteresis energy consumption performance of the laminated rubber support of the friction pendulum support are fully exerted.

The mounting structure for improving the energy consumption capability of the pier is characterized in that two shock absorption and isolation supports are connected in parallel based on a function separation shock absorption and isolation technology, so that the two shock absorption and isolation supports are not connected in a coupling mode, a force transmission path of a combined device is clear, each component has a single function, and the mounting structure is easy to finely design and control and can be widely applied to piers in a seismic region.

Drawings

Fig. 1 is a schematic structural view of an installation structure for improving energy consumption capability of a pier in embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view taken along line I-I of FIG. 1.

Fig. 3 is a schematic structural diagram of an installation structure for improving energy consumption capability of a pier in embodiment 2 of the present invention.

Fig. 4 is a sectional view taken along line II-II of fig. 3.

Fig. 5 is a schematic structural view of the depth of the laminated rubber mount and the groove in embodiment 2 of the present invention.

Fig. 6 is a schematic structural diagram of an installation structure for improving energy consumption capability of a pier in embodiment 3 of the present invention.

Fig. 7 is a sectional view taken along line III-III of fig. 6.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.