CN104032772A - Continuous vibration attenuation and isolation structure for railway - Google Patents
Continuous vibration attenuation and isolation structure for railway Download PDFInfo
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- CN104032772A CN104032772A CN201410302721.8A CN201410302721A CN104032772A CN 104032772 A CN104032772 A CN 104032772A CN 201410302721 A CN201410302721 A CN 201410302721A CN 104032772 A CN104032772 A CN 104032772A
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Abstract
The invention discloses a continuous vibration attenuation and isolation structure for a railway. A filling groove serves as the major structure of the continuous vibration attenuation and isolation structure for railway, hollow cylinders which are arranged continuously and densely are arranged in the filling groove, and the space between the outer walls of the hollow cylinders and the inner wall of the filling groove is filled with a filling body. Each hollow cylinder is a double-wall corrugated pipe. EPS particle cement and soil mixing packing materials serve as the filling body. According to the continuous vibration attenuation and isolation structure for the railway, the stability of the vibration attenuation and isolation structure is guaranteed, and the design depth of the vibration isolation structure can be increased easily. Due to the fact that the light EPS particle cement and soil mixing packing materials serve as the filling body, on one hand, the stability of the double-wall corrugated pipe is guaranteed; on the other hand, the wave drag impedance ratio among different media is increased, and the vibration isolation effect is improved on the other hand.
Description
Technical field
The present invention relates to a kind of railway and subtract vibration insulation structure, be specifically related to a kind of railway being arranged between railroad track and building and subtract continuously vibration insulation structure.
Background technology
Railway transportation has improved traffic environment effectively, has facilitated people's trip, has driven town and country construction and economic development, has significant economic benefit and social benefit.But along with the develop rapidly of high-speed railway, heavy haul railway, the continuous acceleration of urbanization scale, the vibration that railway transportation causes has also brought some negative effects to urban and rural environment.On the one hand, excessive serious vibration has affected passenger and Along Railway people's normal life; On the other hand, vibration also can cause the fatigue damage of device structure and surrounding building.And along with improving constantly that people require living standard, the adverse effect that Railway Vibration brings highlights day by day, and governments at all levels constantly promote the protection of track Along Traffic Trunk Lines environment.
Therefore, in rail track periphery adjacent domain, take to subtract accordingly vibration isolation measure, reduce the adverse effect that railway operation causes, become the key issue facing of having in railway construction.For the vibration of railway transportation, mainly from vibration source control, Vibration propagation control and building self, control three broad aspect and control.For the rail track having built up and building, control Vibration propagation and just become a kind of very important means.
Subtracting in vibration isolation measure of traditional control Vibration propagation, empty ditch to subtract vibration isolating effect best, but it is subject to the impact of soil body self stability, applies the degree of depth generally more shallow, cannot reach desirable vibration isolating effect, has limited empty ditch applying in Practical Project.Traditional filling ditch normally, to filling the materials such as single concrete of planting or foamed plastics in empty ditch, tamps, centre does not interspace; Although can guarantee like this depth requirements of vibration isolation barrier, cost is generally higher, and vibration isolating effect is not as good as empty ditch.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of railway to subtract continuously vibration insulation structure.
The present invention addresses this problem taked technical scheme to be:
Railway of the present invention subtracts vibration insulation structure continuously, and its agent structure, for filling ditch, is filled in ditch and is provided with continuous compact arranged hollow cylinder, between the outer wall of hollow cylinder and filling ditch inwall, is provided with obturator.
Described hollow cylinder is double-wall corrugated pipe.
Described obturator is that EPS particle cement soil mixes inserts.
Advantage and good effect that the present invention has are:
Railway of the present invention subtracts vibration insulation structure continuously, continuously tight double-wall corrugated pipe is set in filling ditch, and at double-wall corrugated pipe and the hole of filling between ditch, obturator is set, guaranteed to subtract vibration insulation structure stability, be conducive to increase the projected depth of vibration insulation structure.Obturator adopts the EPS particle cement soil of lightweight to mix inserts, protects on the one hand the structural stability of double-wall corrugated pipe self, improves on the other hand the wave impedance ratio between different medium, improves vibration isolating effect.The vibration insulation structure that subtracts of the present invention is arranged between vibration source and protected structure, forms medium variation band, effectively stop vibration to the propagation of protected structure its subtract that vibration isolating effect is remarkable, speed of application is fast, pollution-free, cheap, durable in use.
Accompanying drawing explanation
Fig. 1 is the structural representation that railway of the present invention subtracts vibration insulation structure continuously;
Fig. 2 is the sectional view along A-A line in Fig. 1.
Critical piece symbol description in accompanying drawing:
1: fill ditch 2: obturator
3: hollow cylinder.
The specific embodiment
Referring to drawings and the specific embodiments, railway of the present invention being subtracted to vibration insulation structure is continuously described further.Following each embodiment is not only limitation of the present invention for the present invention is described.
The invention provides a kind of railway and subtract continuously vibration insulation structure, this structure is, in filling ditch, double-wall corrugated pipe is set, double-wall corrugated pipe adopts EPS particle cement soil to mix inserts with filling between ditch, forms a kind of vibration insulation structure that effectively subtracts continuously, and its specific embodiment is as follows.
Fig. 1 is the structural representation that railway of the present invention subtracts vibration insulation structure continuously; Fig. 2 is the sectional view along A-A line in Fig. 1.As depicted in figs. 1 and 2, railway of the present invention subtracts vibration insulation structure continuously, and its agent structure, for filling ditch 1, is filled in ditch 1 and is provided with continuous compact arranged hollow cylinder 3, between the outer wall of hollow cylinder 3 and filling ditch 1 inwall, is provided with obturator 2.
Hollow cylinder is double-wall corrugated pipe, and the inner and outer wall of double-wall corrugated pipe has annular corrugated structure, has greatly strengthened the ring stiffness of tubing, thereby has strengthened the resistance of pipeline to soil load, has improved the stability of empty well structure.Waiting under the condition of load, double-wall corrugated pipe only needs thinner tube wall just can meet the demands.Therefore, with real wall mutually pipe compare, can save half left and right raw material, so the cost of double-wall corrugated pipe is also lower.And, double-wall corrugated pipe lightweight, carrying with is connected all very convenient, quick construction, maintenance work is simple, is more suitable for the duration tightly and the poor situation of execution conditions.
Obturator is that the EPS particle cement soil larger with the wave impedance difference of surrounding soil and double-wall corrugated pipe mixes inserts.EPS(Expanded Polystyrene, expanded polystyrene (EPS)) to mix inserts be in raw material, to add EPS particle, curing materials and water mix and blend by the lightweight earth working material solidifying to form to particle cement soil.The raw material soil of EPS beads-mixed lightweight soil can be drawn materials because of ground, and mud, sand and clay all can; Curing materials is cement; EPS particle is expanded polystyrene (EPS) spherolite or waste plastic foam crushed particles.EPS beads-mixed lightweight soil has advantages of that density is little, intensity is high, intensity is adjustable, good economy performance.Field by using casting and constructing, is first mixed into the slurry with mobility by raw material soil, EPS particle, curing materials and water, then take pump as power supplying apparatus, take pipeline as medium is transported to job site by slurry, carry out casting and constructing, easy construction is quick.
The present invention's tight double-wall corrugated pipe continuously in filling ditch, and obturator is set at double-wall corrugated pipe and the hole between filling ditch, guaranteed originally to subtract vibration insulation structure stability, be conducive to increase the projected depth of vibration insulation structure.Obturator adopts the EPS particle cement soil of lightweight to mix inserts, protects on the one hand the structural stability of double-wall corrugated pipe self, improves on the other hand the wave impedance ratio between different medium, improves vibration isolating effect.
Its concrete work progress is as follows: excavate the filling ditch 1 of wide 600mm to designated depth, mud off is guaranteed the stability of groove, closely puts into continuously the double-wall corrugated pipe of diameter 315mm, and fix with support along groove center line.Double-wall corrugated pipe adopts under lifting method and manages, between pipe with being threaded.In the gap of filling between ditch inwall and double-wall corrugated pipe outer wall, insert the native inserts that mixes of EPS particle cement.
The present invention is arranged between vibration source and protected structure, forms a medium variation band, effectively stops vibration to the propagation of protected structure.Railway of the present invention subtract continuously vibration insulation structure subtract that vibration isolating effect is remarkable, speed of application is fast, pollution-free, cheap, durable in use.
Claims (3)
1. railway subtracts a vibration insulation structure continuously, and its agent structure, for filling ditch, is characterized in that: fill in ditch and be provided with continuous compact arranged hollow cylinder (3), between the outer wall of hollow cylinder and filling ditch inwall, be provided with obturator (2).
2. railway according to claim 1 subtracts vibration insulation structure continuously, it is characterized in that: described hollow cylinder (3) is double-wall corrugated pipe.
3. railway according to claim 1 subtracts vibration insulation structure continuously, it is characterized in that: obturator (2) is EPS particle cement soil mixing inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410302721.8A CN104032772B (en) | 2014-06-30 | 2014-06-30 | A kind of railway subtracts vibration insulation structure continuously |
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| CN201410302721.8A CN104032772B (en) | 2014-06-30 | 2014-06-30 | A kind of railway subtracts vibration insulation structure continuously |
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| CN104032772A true CN104032772A (en) | 2014-09-10 |
| CN104032772B CN104032772B (en) | 2016-10-12 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947549A (en) * | 2015-06-25 | 2015-09-30 | 北京交通大学 | Rail vibration reduction ballast bed device |
| CN105544620A (en) * | 2016-01-27 | 2016-05-04 | 宁波易通建设有限公司 | Damping ditch with pressure relief device and shockproof plates and construction method for damping ditch |
| CN107100102A (en) * | 2017-06-09 | 2017-08-29 | 佛山科学技术学院 | A kind of construction method of the railway vibration insulation structure with hollow wave resistance block |
| CN107151951A (en) * | 2017-06-09 | 2017-09-12 | 佛山科学技术学院 | A kind of construction method of railway vibration insulation structure |
| CN107178011A (en) * | 2017-06-09 | 2017-09-19 | 佛山科学技术学院 | A kind of construction method of diaphragm wall, hollow wave resistance block railway vibration insulation structure |
| CN107201699A (en) * | 2017-06-09 | 2017-09-26 | 佛山科学技术学院 | A kind of construction method of diaphragm wall, wave resistance block railway vibration insulation structure |
| CN107304581A (en) * | 2016-04-19 | 2017-10-31 | 郑州大学 | A kind of vibration isolation prevention concrete hollow wall |
| CN109778919A (en) * | 2019-03-25 | 2019-05-21 | 华东交通大学 | A kind of vibration isolation dike for reducing railway environment vibration |
| CN109811803A (en) * | 2019-03-05 | 2019-05-28 | 天津城建大学 | A kind of compound vibration isolation ditch |
| CN114319419A (en) * | 2021-12-23 | 2022-04-12 | 北京铁城检测认证有限公司 | Vibration isolation system of concrete vibration compaction forming machine |
| CN114775702A (en) * | 2022-05-20 | 2022-07-22 | 广州市设计院集团有限公司 | Vibration isolation barrier and construction method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947549A (en) * | 2015-06-25 | 2015-09-30 | 北京交通大学 | Rail vibration reduction ballast bed device |
| CN105544620A (en) * | 2016-01-27 | 2016-05-04 | 宁波易通建设有限公司 | Damping ditch with pressure relief device and shockproof plates and construction method for damping ditch |
| CN105544620B (en) * | 2016-01-27 | 2017-08-18 | 宁波易通建设有限公司 | Damping ditch and its construction method with pressure relief device and shockproof plate |
| CN107304581A (en) * | 2016-04-19 | 2017-10-31 | 郑州大学 | A kind of vibration isolation prevention concrete hollow wall |
| CN107201699A (en) * | 2017-06-09 | 2017-09-26 | 佛山科学技术学院 | A kind of construction method of diaphragm wall, wave resistance block railway vibration insulation structure |
| CN107178011A (en) * | 2017-06-09 | 2017-09-19 | 佛山科学技术学院 | A kind of construction method of diaphragm wall, hollow wave resistance block railway vibration insulation structure |
| CN107151951A (en) * | 2017-06-09 | 2017-09-12 | 佛山科学技术学院 | A kind of construction method of railway vibration insulation structure |
| CN107100102A (en) * | 2017-06-09 | 2017-08-29 | 佛山科学技术学院 | A kind of construction method of the railway vibration insulation structure with hollow wave resistance block |
| CN109811803A (en) * | 2019-03-05 | 2019-05-28 | 天津城建大学 | A kind of compound vibration isolation ditch |
| CN109778919A (en) * | 2019-03-25 | 2019-05-21 | 华东交通大学 | A kind of vibration isolation dike for reducing railway environment vibration |
| CN109778919B (en) * | 2019-03-25 | 2020-08-25 | 华东交通大学 | Vibration isolation dike for reducing vibration of railway environment |
| CN114319419A (en) * | 2021-12-23 | 2022-04-12 | 北京铁城检测认证有限公司 | Vibration isolation system of concrete vibration compaction forming machine |
| CN114775702A (en) * | 2022-05-20 | 2022-07-22 | 广州市设计院集团有限公司 | Vibration isolation barrier and construction method thereof |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |