CN112095825A - Vibration isolation structure of high-speed rail of underpass terminal building and construction method thereof - Google Patents
Vibration isolation structure of high-speed rail of underpass terminal building and construction method thereof Download PDFInfo
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- CN112095825A CN112095825A CN202010814157.3A CN202010814157A CN112095825A CN 112095825 A CN112095825 A CN 112095825A CN 202010814157 A CN202010814157 A CN 202010814157A CN 112095825 A CN112095825 A CN 112095825A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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Abstract
The invention provides a vibration isolation structure of a high-speed rail penetrating a terminal building and a construction method thereof, wherein the vibration isolation structure comprises: the lower pier column is poured on the high-speed rail top plate, a post-pouring groove is formed in the top of the lower pier column, and limiting tables are formed around the post-pouring groove; the high-strength plate is formed by pouring slurry into the post-pouring groove and automatically leveling and consolidating the slurry; the vibration isolator is placed on the high-strength plate, and the top of the vibration isolator is higher than that of the limiting table; the temporary supporting pieces are vertically arranged, and a circle of temporary supporting pieces are arranged at intervals along the circumferential direction of the lower pier stud; the embedded base plate is placed on the vibration isolators and the temporary support pieces, and upper pier columns for pouring the terminal building are poured on the embedded base plate; and the anti-slip gasket is arranged between the embedded base plate and the vibration isolator. The vibration isolation system solves the problems of slow construction progress, high installation difficulty, complex construction process and long construction period of the traditional vibration isolation system.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a vibration isolation structure of a high-speed rail passing through an airport terminal and a construction method thereof.
Background
At present, with the development of comprehensive transportation hubs, the number of engineering cases for passing through terminal buildings under high-speed rail stations is increased gradually. The high-speed rail under the terminal building passes through the terminal building without speed reduction at the speed of 350km/h, and the amplitude generated by the high-speed rail can influence the length of the terminal building to 413 m.
The traditional vibration isolation system is slow in construction progress, large in installation difficulty, complex in construction process and long in construction period.
Disclosure of Invention
In order to overcome the defects in the prior art, the vibration isolation structure of the high-speed rail passing through the airport terminal and the construction method thereof are provided, so that the problems of slow construction progress, high installation difficulty, complex construction procedures and long construction period of the traditional vibration isolation system are solved.
In order to achieve the above object, there is provided a vibration isolation structure for a high-speed rail passing through a terminal building, comprising:
the lower pier column is poured on the high-speed rail top plate, a post-pouring groove is formed in the top of the lower pier column, and limiting tables are formed around the post-pouring groove;
the high-strength plate is formed by pouring slurry into the post-pouring groove and automatically leveling and consolidating the slurry;
the vibration isolator is placed on the high-strength plate, and the top of the vibration isolator is higher than that of the limiting table;
the temporary supporting pieces are vertically arranged, and a circle of temporary supporting pieces are arranged at intervals along the circumferential direction of the lower pier stud;
the embedded base plate is placed on the vibration isolators and the temporary support pieces, and upper pier columns for pouring the terminal building are poured on the embedded base plate; and
and the anti-slip gasket is arranged between the embedded base plate and the vibration isolator.
Furthermore, a cushion pad is laid on the limiting table, and a gap is reserved between the cushion pad and the embedded base plate.
Further, the quantity of isolator is a plurality of, leveling backing plate is installed at the top of isolator, and is a plurality of the top of the leveling backing plate of isolator flushes, the anti-skidding gasket pad is located pre-buried base plate with between the leveling backing plate.
Further, the concrete strength of the slurry is higher than that of the lower pier stud.
Further, a connecting rod is connected between the temporary supporting pieces.
The invention provides a construction method of a high-speed rail vibration isolation structure for a lower-crossing station building, which comprises the following steps of:
pouring a lower pier stud on a high-speed rail top plate, forming a post-pouring groove at the top of the lower pier stud, and pouring around the post-pouring groove to form a limiting table;
pouring slurry into the post-pouring groove, wherein the slurry is solidified by self-leveling to form a high-strength plate;
placing a vibration isolator on the high-strength plate, so that the top of the vibration isolator is higher than the top of the limiting table;
paving anti-skid gaskets on the tops of the vibration isolators;
laying a pre-buried substrate on the anti-skid gasket;
a circle of a plurality of temporary supporting pieces are arranged at intervals along the circumferential direction of the lower pier stud, and the plurality of temporary supporting pieces are vertically supported at the bottom of the embedded base plate;
and pouring to form an upper pier stud on the embedded base plate.
Further, the number of the vibration isolators is multiple, and the step of placing the vibration isolators on the high-strength plate so that the top of each vibration isolator is higher than the top of the limiting table comprises the following steps:
placing a plurality of vibration isolators on the high-strength plate respectively;
and respectively installing leveling base plates at the tops of the vibration isolators, wherein the tops of the leveling base plates at the tops of the vibration isolators are flush.
The invention has the beneficial effects that the top of the lower pier column of the high-speed rail vibration isolation structure of the lower through station building is leveled through a secondary grouting process, so that the forming flatness of the top of the lower pier column is improved, the one-step forming is realized, the secondary grinding measure cost of the lower pier column is avoided, and the grinding period is greatly saved. On the other hand, the embedded base plate is installed on the limiting table, positioning bolts need to be embedded in the limiting table, so that the installation difficulty of the embedded base plate is large, the construction process is complex, and the construction period is long.
Drawings
Fig. 1 is a schematic structural view of a vibration isolation structure of a high-speed rail of a lower-level terminal according to an embodiment of the present invention.
Fig. 2 is a schematic view illustrating the installation of the temporary support according to the embodiment of the present invention.
Fig. 3 is a schematic view of the vibration isolator according to the embodiment of the present invention.
Fig. 4 is a schematic pouring diagram of the upper pier stud according to the embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a schematic structural view of a vibration isolation structure of a high-speed rail of a lower-level terminal building according to an embodiment of the present invention, fig. 2 is a schematic installation view of a temporary support member according to an embodiment of the present invention, fig. 3 is a schematic installation view of a vibration isolator according to an embodiment of the present invention, and fig. 4 is a schematic pouring view of an upper pier according to an embodiment of the present invention.
Referring to fig. 1 to 4, the present invention provides a vibration isolation structure for a high-speed rail of a lower-crossing terminal, including: lower pier stud 1, high-strength plate 2, isolator 3, many interim support piece 4, pre-buried base plate 5 and anti-skidding gasket 6.
Specifically, the lower pier stud 1 is cast on the high-speed rail top plate 7. The top of lower pier stud 1 is formed with the post-cast groove. And a limiting platform 11 is formed around the post-pouring groove.
Slurry is poured into the post-pouring groove and self-leveling and consolidation are carried out on the slurry to form the high-strength plate 2.
The vibration isolator 3 is placed on the high-strength plate 2. The top of vibration isolator 3 is higher than the top of limiting table 11.
The temporary support 4 is vertically arranged. The plurality of temporary supporting members 4 are arranged in a circle at intervals along the circumferential direction (outer edge) of the lower pier stud 1. The temporary support 4 is an i-steel.
The pre-buried base plate 5 is placed on the vibration isolators 3 and the plurality of temporary supports 4. An upper pier stud 51 is formed on the embedded substrate 5 in a pouring mode. A terminal building is cast on the upper pier stud 51.
The support of the temporary support piece avoids the suspension of the embedded base plate, ensures that the embedded base plate does not deviate, ensures the installation precision and the construction quality of the vibration isolation system, optimizes the construction period and reduces the cost.
When the airport terminal is used as an upper structure for construction, concrete pouring of the airport terminal needs to be uniform, the concrete pouring needs to be light, the blanking needs to be light, the vibration needs to be light, the stress of a lower supporting system (a pre-buried base plate, a temporary support, a plurality of vibration isolators and the like) is uniform, and the position of the supporting system is checked at any time to prevent the concrete impact from being received.
The anti-skid gasket 6 is arranged between the embedded base plate 5 and the vibration isolator 3.
The top of the lower pier column of the high-speed rail vibration isolation structure of the lower through station building is leveled through the secondary grouting process, so that the forming flatness of the top of the lower pier column is improved, the one-step forming is achieved, the secondary grinding measure cost of the lower pier column is avoided, and the grinding period is greatly saved. On the other hand, the embedded base plate is installed on the limiting table, positioning bolts need to be embedded in the limiting table, so that the installation difficulty of the embedded base plate is large, the construction process is complex, and the construction period is long.
In this embodiment, a cushion pad 111 is laid on the stopper table 11. The cushion 111 is a rubber cushion. A gap is left between the cushion pad 111 and the pre-buried substrate 5. A gap is reserved between the limiting table and the vibration isolator.
As a preferred embodiment, the slurry poured into the post-pouring trough is concrete slurry, and the concrete strength of the slurry is higher than that of the lower pier 1.
In this embodiment, the concrete strength of thick liquids is higher than a grade of the concrete strength of lower pier, and surface flatness control is within 2mm, avoids artifical the polishing.
As a preferred embodiment, the number of vibration isolators 3 is plural. Leveling base plates 31 are installed at the tops of the vibration isolators 3, the top portions of the leveling base plates 31 of the vibration isolators 3 are flush, and the anti-skid gaskets 6 are arranged between the embedded base plates 5 and the leveling base plates 31 in a cushioning mode.
In this embodiment, the isolators total 54 sets, 190 sets. The construction quality and progress of the vibration isolation system directly influence the construction progress of the upper airport terminal and the stability and safety of the later structure. The high-speed rail vibration isolation structure of the lower penetrating station can effectively ensure the flatness of foundation construction of the vibration isolator and the requirement on the installation precision of the vibration isolator, so that the vibration isolator can stably bear and transmit the load of the upper station.
As a better implementation mode, an anti-skid base plate is paved on the high-strength plate, and the vibration isolator is placed on the anti-skid base plate. In the embodiment, the anti-skid base plate is placed on the vibration isolator positioning line on the high-strength plate, the vibration isolators are placed on the anti-skid base plate according to the correct direction of a drawing, after all the vibration isolators are placed, the elevation of each group of vibration isolators is measured by an instrument, and the elevation of the top surfaces of the vibration isolators is positioned on the uniform level line by adopting a method of arranging or eliminating the leveling base plate.
The plurality of temporary supports 4 are connected with a connecting rod 41 therebetween. The connecting rod is a channel steel which is horizontally arranged. After the embedded base plate is installed in place, a circle of temporary supporting pieces are arranged around the lower pier stud, the distance between the temporary supporting pieces is 1 meter, and the error is +/-50 mm. The middle parts of the temporary supporting pieces are welded by a connecting rod, so that the temporary supporting pieces are connected into a whole, and the stability is improved.
Temporary supports spaced along the outer edge of the lower pier and removed before release of the isolators, so the temporary supports are not shown in figure 1 of the drawings.
The vibration isolation structure of the high-speed rail of the underpass terminal has the characteristics of convenience and quickness in construction and strong adaptability, can be widely applied to vibration isolation treatment of amplitude generated when the underground high-speed rail of the terminal passes through without deceleration, and has good popularization value.
The vibration isolation structure for the high-speed rail of the underpass terminal building can effectively reduce the amplitude generated when the underground high-speed rail of the terminal building passes through without deceleration in implementation, and improves the quality and progress of the construction of a vibration isolation system to directly influence the upper terminal building.
The invention provides a construction method of a high-speed rail vibration isolation structure for a lower-crossing station building, which comprises the following steps of:
s1: and pouring the lower pier stud 1 on the high-speed rail top plate 7, forming a post-pouring groove at the top of the lower pier stud 1, and pouring around the post-pouring groove to form a limiting table 11.
S2: and pouring slurry into the post-pouring groove, and automatically leveling and solidifying the slurry to form the high-strength plate 2.
The concrete strength of the slurry is higher than that of the lower column pier by one grade, and the surface flatness is controlled within 2mm, so that manual polishing is avoided.
S3: the vibration isolator 3 is placed on the high-strength plate 2, so that the top of the vibration isolator 3 is higher than the top of the limiting table 11.
In this embodiment, the number of the vibration isolators 3 is plural, and step S3 includes:
and S31, placing the vibration isolators 3 on the high-strength plate 2 respectively.
In some embodiments, an anti-skid base plate is laid on the high-strength plate, and then the vibration isolator is placed on the anti-skid base plate.
And S32, mounting the leveling shim plates 31 on the tops of the vibration isolators 3 respectively, wherein the tops of the leveling shim plates 31 on the tops of the vibration isolators 3 are flush.
In the embodiment, the vibration isolators are placed on the anti-skid base plate in the correct direction according to the drawing, after the vibration isolators are completely placed, the elevation of each group of vibration isolators is measured by an instrument, and the elevation of the top surfaces of the vibration isolators is positioned on a uniform level line by adopting a method of arranging or avoiding the leveling base plate.
S4: and paving an anti-skid gasket 6 on the top of the vibration isolator 3.
And paving an anti-skid gasket on the vibration isolator provided with the leveling base plate.
S5: the pre-buried base plate 5 is placed on the anti-skid gasket 6.
After the anti-skid gaskets of the vibration isolators are installed, the pre-buried base plates are placed on the anti-skid gaskets of the plurality of vibration isolators.
S6: a plurality of temporary supporting pieces 4 are arranged at intervals in the circumferential direction of the lower pier stud 1, and the plurality of temporary supporting pieces 4 are vertically supported at the bottom of the embedded base plate 5.
After the embedded base plate is installed on the vibration isolators, a circle of a plurality of temporary supporting pieces 4 are arranged at intervals along the circumferential direction of the lower pier stud 1, and the plurality of temporary supporting pieces 4 are vertically supported at the bottom of the embedded base plate 5. The spacing between the temporary supports was 1 meter with a tolerance of ± 50 mm. The middle parts of the temporary supporting pieces are welded by a connecting rod, so that the temporary supporting pieces are connected into a whole, and the stability is improved.
The support of the temporary support piece avoids the suspension of the embedded base plate, ensures that the embedded base plate does not deviate, ensures the installation precision and the construction quality of the vibration isolation system, optimizes the construction period and reduces the cost.
S7: and pouring to form an upper pier stud 51 on the embedded substrate 5.
After the temporary supporting member is supported by the pre-buried base plate, the upper pier stud 51 is formed by casting on the pre-buried base plate 5. The temporary support is removed before the isolator is released.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the invention is to be defined by the scope of the appended claims.
Claims (7)
1. The utility model provides a vibration isolation structure of high-speed railway of station building of threading a ship down which characterized in that includes:
the lower pier column is poured on the high-speed rail top plate, a post-pouring groove is formed in the top of the lower pier column, and limiting tables are formed around the post-pouring groove;
the high-strength plate is formed by pouring slurry into the post-pouring groove and automatically leveling and consolidating the slurry;
the vibration isolator is placed on the high-strength plate, and the top of the vibration isolator is higher than that of the limiting table;
the temporary supporting pieces are vertically arranged, and a circle of temporary supporting pieces are arranged at intervals along the circumferential direction of the lower pier stud;
the embedded base plate is placed on the vibration isolators and the temporary support pieces, and upper pier columns for pouring the terminal building are poured on the embedded base plate; and
and the anti-slip gasket is arranged between the embedded base plate and the vibration isolator.
2. The vibration isolation structure for the high-speed rail of the underpass terminal building as claimed in claim 1, wherein a cushion pad is laid on the limit table, and a gap is left between the cushion pad and the embedded base plate.
3. The vibration isolation structure for the high-speed rail of the lower terminal building according to claim 1, wherein the number of the vibration isolators is plural, leveling base plates are installed on the tops of the vibration isolators, the tops of the leveling base plates of the vibration isolators are flush, and anti-skid gasket pads are arranged between the embedded base plates and the leveling base plates.
4. The vibration isolation structure of a high-speed rail of a lower terminal building according to claim 1, wherein the concrete strength of the slurry is higher than that of the lower pier.
5. The vibration isolation structure for a high-speed rail of a lower terminal building according to claim 1, wherein a plurality of the temporary supports are connected with each other by a connecting rod.
6. A construction method of the vibration isolation structure of the high-speed rail of the underpass terminal building according to any one of claims 1 to 5, comprising the steps of:
pouring a lower pier stud on a high-speed rail top plate, forming a post-pouring groove at the top of the lower pier stud, and pouring around the post-pouring groove to form a limiting table;
pouring slurry into the post-pouring groove, wherein the slurry is solidified by self-leveling to form a high-strength plate;
placing a vibration isolator on the high-strength plate, so that the top of the vibration isolator is higher than the top of the limiting table;
paving anti-skid gaskets on the tops of the vibration isolators;
laying a pre-buried substrate on the anti-skid gasket;
a circle of a plurality of temporary supporting pieces are arranged at intervals along the circumferential direction of the lower pier stud, and the plurality of temporary supporting pieces are vertically supported at the bottom of the embedded base plate;
and pouring to form an upper pier stud on the embedded base plate.
7. The construction method according to claim 6, wherein the number of the vibration isolators is plural, and the step of placing the vibration isolators on the high-strength plate such that the tops of the vibration isolators are higher than the top of the stopping table comprises:
placing a plurality of vibration isolators on the high-strength plate respectively;
and respectively installing leveling base plates at the tops of the vibration isolators, wherein the tops of the leveling base plates at the tops of the vibration isolators are flush.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010814157.3A CN112095825A (en) | 2020-08-13 | 2020-08-13 | Vibration isolation structure of high-speed rail of underpass terminal building and construction method thereof |
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| CN202010814157.3A CN112095825A (en) | 2020-08-13 | 2020-08-13 | Vibration isolation structure of high-speed rail of underpass terminal building and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338322A (en) * | 2021-06-21 | 2021-09-03 | 中铁十二局集团有限公司 | Construction method of building vibration isolation foundation |
| CN113529809A (en) * | 2021-08-18 | 2021-10-22 | 一汽解放汽车有限公司 | Vibration isolation civil engineering construction method and assembly test experiment table |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028432B2 (en) * | 2003-05-03 | 2006-04-18 | Kinetics Noise Control, Inc. | Compact ceiling isolation hanger |
| CN203307693U (en) * | 2013-07-01 | 2013-11-27 | 衡水中铁建工程橡胶有限责任公司 | Novel rubber vibration isolator for rail transit floating slab |
| CN203320365U (en) * | 2013-07-12 | 2013-12-04 | 衡水中铁建工程橡胶有限责任公司 | Metal rubber vibration isolator used for rail transit floating slab |
| CN105133638A (en) * | 2015-09-01 | 2015-12-09 | 山东电力建设第一工程公司 | Spring vibration isolation foundation construction template leveling device and construction method thereof |
| CN109763581A (en) * | 2019-03-06 | 2019-05-17 | 李鑫 | Building structure basic module with three-dimensional isolation vibration damping |
| CN208884795U (en) * | 2018-10-19 | 2019-05-21 | 中铁建设集团有限公司 | A kind of shock isolating pedestal of platform steel reinforced concrete curtain wall column |
| JP2019090211A (en) * | 2017-11-14 | 2019-06-13 | 株式会社竹中工務店 | Anti-oscillation floor structure |
| CN111288104A (en) * | 2018-12-06 | 2020-06-16 | 中国电子工程设计院有限公司 | Vibration isolation system |
| CN111395412A (en) * | 2020-04-27 | 2020-07-10 | 中国建筑一局(集团)有限公司 | Separated vibration isolation device applied to subway upper cover and construction method |
-
2020
- 2020-08-13 CN CN202010814157.3A patent/CN112095825A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7028432B2 (en) * | 2003-05-03 | 2006-04-18 | Kinetics Noise Control, Inc. | Compact ceiling isolation hanger |
| CN203307693U (en) * | 2013-07-01 | 2013-11-27 | 衡水中铁建工程橡胶有限责任公司 | Novel rubber vibration isolator for rail transit floating slab |
| CN203320365U (en) * | 2013-07-12 | 2013-12-04 | 衡水中铁建工程橡胶有限责任公司 | Metal rubber vibration isolator used for rail transit floating slab |
| CN105133638A (en) * | 2015-09-01 | 2015-12-09 | 山东电力建设第一工程公司 | Spring vibration isolation foundation construction template leveling device and construction method thereof |
| JP2019090211A (en) * | 2017-11-14 | 2019-06-13 | 株式会社竹中工務店 | Anti-oscillation floor structure |
| CN208884795U (en) * | 2018-10-19 | 2019-05-21 | 中铁建设集团有限公司 | A kind of shock isolating pedestal of platform steel reinforced concrete curtain wall column |
| CN111288104A (en) * | 2018-12-06 | 2020-06-16 | 中国电子工程设计院有限公司 | Vibration isolation system |
| CN109763581A (en) * | 2019-03-06 | 2019-05-17 | 李鑫 | Building structure basic module with three-dimensional isolation vibration damping |
| CN111395412A (en) * | 2020-04-27 | 2020-07-10 | 中国建筑一局(集团)有限公司 | Separated vibration isolation device applied to subway upper cover and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338322A (en) * | 2021-06-21 | 2021-09-03 | 中铁十二局集团有限公司 | Construction method of building vibration isolation foundation |
| CN113529809A (en) * | 2021-08-18 | 2021-10-22 | 一汽解放汽车有限公司 | Vibration isolation civil engineering construction method and assembly test experiment table |
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