CN206127789U - Structure of making an uproar falls in highway tunnel driving damping - Google Patents

Structure of making an uproar falls in highway tunnel driving damping Download PDF

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Publication number
CN206127789U
CN206127789U CN201620971036.9U CN201620971036U CN206127789U CN 206127789 U CN206127789 U CN 206127789U CN 201620971036 U CN201620971036 U CN 201620971036U CN 206127789 U CN206127789 U CN 206127789U
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China
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layer
broken stone
graded broken
basic unit
concrete
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CN201620971036.9U
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Inventor
冉平
陈海圣
郭志奇
谢瑜军
陈军民
冯鸿登
朱湘
朱一湘
陈兴艾
单建波
杨磊
王建成
周勤
周一勤
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Ningbo Communication Engineering Construction Group Co Ltd
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Ningbo Communication Engineering Construction Group Co Ltd
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Abstract

The utility model discloses a structure of making an uproar falls in highway tunnel driving damping, the damping that can be used to the driving of sensitizing range highway tunnel falls makes an uproar, its structure includes tunnel structure, fill concrete and drainage system etc, and graded broken stone damping layer and basic unit's surface course are laid to the successive layer on the fill concrete, graded broken stone damping layer lays at the top upper pitch and seals the water layer, the fill concrete top, the fill concrete is laid lower floor's pitch with handing -over department of grit water seepage layer and is sealed the water layer, upper strata pitch seals and is equipped with the many branch storehouses of burying underground in graded broken stone damping layer between water layer and the grit water seepage layer top at a distance from the roof beam, every branch storehouse separates back portion and all is equipped with the rubber strip that inlays the dress and fix, then basic unit's surface course top surface supplies the car load to go, the rubber strip is used for supporting basic unit's surface course, the event has the simple structure, the earphone base has a stable structure, high durability and convenient use, low manufacture cost, get and expect advantages such as easy, the economical and social benefits are obvious.

Description

Vcehicular tunnel car-driving shock-absorbing denoising structure
Technical field
This utility model is related to a kind of vcehicular tunnel car-driving shock-absorbing denoising structure construction field, specifically refers to vcehicular tunnel row Car vibration and noise reducing structure.
Background technology
Urban track traffic, subway are passed through in the majority in residential block, and vibration that train causes and noise are how using effectively arranging Applying impact of the vibration and noise reducing to environment becomes one of hot issue, and existing various methods solve the vibration and noise reducing of driving, such as use Rail dampener fastener, rubber floating plate railway roadbed, steel spring floating slab road bed, elastic short rail sleeper, high resiliency mould emulsified asphalt water Cement mortar non-fragment orbit etc..And vcehicular tunnel is also commonly encountered driving and passes through vibrations and noise-sensitive region, due to vcehicular tunnel row Car vibration is relatively small with noise ratio urban track traffic, subway, and above method is not applied to due to reasons such as adaptability or costs The vibration and noise reducing of vcehicular tunnel driving, therefore research and development Stability Analysis of Structures, the easy vcehicular tunnel row of easy to use, cheap, feeding Car vibration and noise reducing structure is obviously necessary.
The content of the invention
Technical problem to be solved in the utility model be overcome prior art defect and provide a kind of Stability Analysis of Structures, The vcehicular tunnel car-driving shock-absorbing denoising structure that easy to use, cheap, feeding is easy, effect of vibration and noise reduction is excellent.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of vcehicular tunnel car-driving shock-absorbing denoising structure, including constitute the preliminary bracing of tunnel structure, secondary lining, face upward Arch, fill concrete and footpath, and the drainage system being arranged in tunnel structure, the drainage system has along tunnel axis The central drain being embedded in fill concrete, along central drain the sandstone that cross section is laid in inverted trapezoidal is formed around Permeable layer, described fill concrete is provided with the graded broken stone damping layer and basic unit's surface layer successively laid, basic unit's surface layer top Face travels for vehicular load;Described graded broken stone damping layer top is equipped with upper strata Colophonium water shutoff layer;Described backfill coagulation Native top, fill concrete and sandstone permeable layer junction are equipped with lower floor's Colophonium water shutoff layer;Described upper strata Colophonium water shutoff The many point storehouses being embedded in along tunnel axis horizontal spacing in graded broken stone damping layer are provided between layer and sandstone permeable layer top Every beam, the fixed rubber strip of setting-in is equipped with every back portion per root point storehouse, the rubber strip supports basic unit's surface layer.
Described graded broken stone damping layer is using rubble quality is hard, level is with good, the graded broken stone pressure of 1~5cm of particle diameter Form in fact, 20~30cm of thickness, compactness is 85~90%.
Described point storehouse is reinforced concrete structure every beam, and spacing of the adjacent two pieces points of storehouses between beam is 5~10m, point Storehouse is every beam average height h2=graded broken stone damping layer is averagely compacted thickness h-rubber strip effective thickness b2, per root, point storehouse is every back portion Groove is provided with, in groove the rubber strip of convex shape is embedded in down, point storehouse is identical with graded broken stone damping layer width every the length of beam, Divide storehouse every the width a=10~20cm, groove slot bottom width a of beam1=3~5cm.
Described rubber strip by+60 DEG C~-40 DEG C of Applicable temperature+60 DEG C~-25 DEG C of natural rubber or Applicable temperature The strip member of falling convex shape made by chloroprene rubber material, total height is b, and protrusion height is b1, rubber strip effective depth b2=total Height b- protrusion height b1, bottom land, top and both sides cell wall that the convex portion of rubber strip is embedded in point storehouse in the groove of beam, in groove Brushwork epoxy resin with by rubber strip firm pasting, rubber strip width with divide storehouse every the identical a=10~20cm of beam width, convex portion Bottom width a2=groove slot bottom width a11~2mm of-epoxy thickness.
Described basic unit's surface layer is by the emulsified asphalt stabilization gravel, bituminous concrete and rubber asphalt coagulation successively laid Soil is constituted;Described emulsified asphalt stabilization gravel is the breast that pitch content 1~3% is added in common stable macadam-aggregate mix Change Colophonium Jing compactings to form, 30~50cm of thickness;Described bituminous concrete is that Jing artificial selections have the broken of certain gradation composition Stone or the mineral aggregate such as grating gravel, aggregate chips or sand, breeze, additive and bitumen for road use material mixing material, mixing and Jing are rolled and formed, 6~8cm of thickness;Described rubber asphalt concrete is to fill a certain amount of rubber in open gradation or gap grading asphalt concrete Glue powder additive, the rubber asphalt concrete can divide monolayer or two-layer, and thickness is made an uproar depending on the load on road surface, rolling apparatus and absorption Depending on the ability of sound, 5~6cm of thickness during monolayer, 10~12cm of gross thickness during two-layer.
Described drainage system includes central drain, is close to the longitudinal drainage ditch of footpath longitudinal extension, is respectively communicated with The transverse drain of basic unit's surface layer and longitudinal drainage ditch and it is arranged on the road surface transverse drainage slope of basic unit's surface layer top surface.
Described longitudinal drainage ditch is poured using cement concrete and formed, and top surface arranges filtering foreign grid;Described horizontal stroke Laterally multiple, the 8~10cm of diameter of each transverse drain is set every 3~5m along tunnel axis to drain pipe;In described Centre drain pipe is the RC circular pipe of 80~120cm of diameter, and tube wall surrounding reserves the infiltration aperture of multiple 0.5~1.0cm, Outsourcing geotextiles prevent from blocking the reserved multiple infiltration apertures of tube wall surrounding;Described road surface transverse drainage slope is by tunneled central axle Line symmetrically points to the longitudinal drainage ditch of both sides of the edge and forms inclination, and ratio of slope is i1=1.3~1.6%.
Compared with prior art, this utility model devises a kind of structure for being applied to vcehicular tunnel car-driving shock-absorbing noise reduction, It is mainly included on the fill concrete for constituting tunnel structure and arranges the graded broken stone damping layer and basic unit's surface layer successively laid, It is equipped with upper strata Colophonium water shutoff layer at the top of graded broken stone damping layer again, fill concrete top, fill concrete and sandstone ooze Water layer junction is equipped with lower floor's Colophonium water shutoff layer, then at the top of the upper strata Colophonium water shutoff layer and sandstone permeable layer between be provided with Many are embedded in point storehouse in graded broken stone damping layer every beam along tunnel axis horizontal spacing, and in point storehouse per root every back portion The fixed rubber strip of setting-in is equipped with, then basic unit's surface layer top surface is travelled for vehicular load, and rubber strip can be used to support basic unit face Layer, this structure can be used for sensitizing range vcehicular tunnel car-driving shock-absorbing noise reduction, and with simple structure, Stability Analysis of Structures, user Just it is, cheap, the advantages of feeding is easy, economic benefit and social benefit are notable.
Description of the drawings
Fig. 1 is structural facades schematic diagram of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is point storehouse every girder construction figure.
Fig. 4 is the I-I profiles of Fig. 3.
Fig. 5 is that tunnel row wheel tire acts on schematic diagram
Fig. 6 is the Force Calculation schema of Fig. 5.
Specific embodiment
This utility model embodiment will again be elaborated by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 6,1. tunnel structure, 11. preliminary bracings, 12. secondary linings, 13. inverted arch, 14. backfill coagulations Soil, 15. footpath, 2. drainage system, 21. longitudinal drainage ditches, 22. transverse drains, 23. central drains, 24. road surfaces are horizontal Weathering, 3. graded broken stone damping layer, 4. basic unit's surface layer, 41. emulsified asphalt stabilization gravels, 42. bituminous concretes, 43. rubber Bituminous concrete, 5. sandstone permeable layer, 6. upper strata Colophonium water shutoff layer, 7. lower floor's Colophonium water shutoff layer, 8. point storehouse are every beam, 9. rubber Bar, 10. vehicular load.
Vcehicular tunnel car-driving shock-absorbing denoising structure, as shown in Figure 1 and Figure 2, is mainly used in sensitizing range vcehicular tunnel driving Vibration and noise reducing, its structure includes constituting preliminary bracing 11, secondary lining 12, inverted arch 13, the and of fill concrete 14 of tunnel structure 1 Footpath 15, and the drainage system 2 being arranged in tunnel structure 1, the level successively laid are provided with fill concrete 14 and are matched somebody with somebody Rubble damping layer 3 and basic unit's surface layer 4, to form the road surface essential structure in tunnel, and basic unit's surface layer 4 is mainly by successively laying Emulsified asphalt stabilization gravel 41, bituminous concrete 42 and rubber asphalt concrete 43 constitute, to bear the road of vehicular load 10 Face structure sheaf, therefore its top surface can be used to be travelled for vehicular load 10, while the also function with vibration and noise reducing.
It is control surrouding rock stress release and deformation in right amount after tunnel excavation that described preliminary bracing 11 is, increases structure peace Whole step and convenient construction, apply immediately after tunnel excavation rigidity it is less and as permanent bearing structure a part structure sheaf;Institute The mould that the outside of the supporting in the early stage of secondary lining 12 11 stated applies builds cement concrete or reinforced concrete lining layer, with preliminary bracing 11 collectively constitute composite lining, with reach its support reinforcement, optimization route waterproof and water drainage system, aesthetic appeal, it is convenient arrange communication, The effect of the facilities such as illumination, monitoring;Described inverted arch 13 is in opposite direction with the arch of arch bridge, and vault absolute altitude is minimum, arch springing absolute altitude Highest, is connected with secondary lining 12, is the coagulating cement earth foundation of tunnel structure, and on the one hand it be laminated on the ground on tunnel top Power is effectively delivered to underground by tunnel side wall structure or by the load on road surface, but also effectively resists tunnel bottom ground The counter-force that layer is transmitted;Described fill concrete 14 is filled wide in basic unit's surface layer 4 from the minimum point of inverted arch 13 using cement concrete To certain level height in the range of degree, the arcuate profile of levelling inverted arch 13, and with inverted arch cooperatively stress;Described people's row Road 15 is separately positioned on the both sides of the edge in tunnel, the passage that can be passed through as pedestrian or maintenance, maintainer.
Described drainage system 2 is mainly horizontal by central drain 23, longitudinal drainage ditch 21, transverse drain 22 and road surface Constitute to the grade of weathering 24.
Wherein, central drain 23 is one and is arranged on the top of inverted arch 13 along tunnel axis and is embedded in fill concrete RC circular pipe in 14,80~120cm of diameter, tube wall surrounding reserves the infiltration aperture of multiple 0.5~1.0cm, outsourcing Geotextiles prevent from blocking the reserved multiple infiltration apertures of tube wall surrounding, can be used to drain the infiltration water on upper strata;Meanwhile, along central authorities Drain pipe 23 is formed around the sandstone permeable layer 5 that cross section is laid in inverted trapezoidal, and infiltration water is oozed after the filtration of sandstone permeable layer 5 Thoroughly to central drain 23, then it is discharged in the river course outside tunnel.
Described longitudinal drainage ditch 21 is to be separately positioned on road surface both sides of the edge along tunnel axis, that is, be close to footpath and formed Longitudinal extension, is mainly used in draining the water of road surface and the infiltration water of surface layer basic unit 4, ditch body poured using cement concrete and Into top surface arranges filtering foreign grid.
Described transverse drain 22 laterally arranges multiple along tunnel axis every 3~5m, each transverse drain 22 8~10cm of diameter, can be respectively communicated with basic unit's surface layer 4 and longitudinal drainage ditch 21, and for draining the infiltration water of basic unit's surface layer 4 to vertical To gutter 21.
Described road surface transverse drainage slope 24 is provided in the top surface of basic unit's surface layer 4, and road surface transverse drainage slope 24 is exactly rubber The transverse drainage slope of the top surface of bituminous concrete 43, the longitudinal drainage ditch 21 for pointing to both sides of the edge by tunneled central axisymmetrical is formed Incline, can be used to drain the surface water of basic unit's surface layer 4, ratio of slope is i1=1.3~1.6%.
Meanwhile, the top of graded broken stone damping layer 3 is provided with upper strata Colophonium water shutoff layer 6, can be used for closing emulsified asphalt and stablizes broken The infiltration water of stone 41 penetrates into graded broken stone damping layer 3, and the weathering of the top surface of upper strata Colophonium water shutoff layer 6 symmetrically points to both sides of the edge Transverse drain 22, infiltration water flow to longitudinal drainage ditch 21, and ratio of slope is i1=1.3~1.6%;And the top of fill concrete 14, return Fill out concrete and the junction of sandstone permeable layer 5 and be equipped with lower floor Colophonium water shutoff layer 7, the draining of lower floor's Colophonium water shutoff layer top surface The sandstone permeable layer 5 of the surrounding of central drain 23 is symmetrically pointed on slope, and infiltration water flow to sandstone permeable layer, and ratio of slope is i2=1.5~ 2.0%。
Described graded broken stone damping layer 3 is using rubble quality is hard, level is with good, the graded broken stone pressure of 1~5cm of particle diameter Form in fact, 20~30cm of thickness, rubble compactness is 85~90%;Under driving oscillatory load effect, graded broken stone damping layer 3 Fricting movement between compression and gravel particle can consume part energy, discontinuous space between graded broken stone The transmission of vibration is prevented, plays a part of vibration damping;Meanwhile, the ditch body concrete of the longitudinal drainage ditch 21 of tunnel both sides of the edge and Point storehouse also can limit the horizontal distortion of graded broken stone damping layer 3 and produce additional cohesive strength every beam 8, so as to meet graded broken stone Damping layer 3 is for the bearing capacity of driving oscillatory load.
Described point storehouse is as shown in Figure 3, Figure 4 reinforced concrete structure every beam 8, is embedded in along tunnel axis horizontal spacing In graded broken stone damping layer 3, and between upper strata Colophonium water shutoff layer 6 and the top of sandstone permeable layer 5, adjacent two pieces points of storehouses are every beam Spacing between 8 is 5~10m, and groove is provided with every back portion per root point storehouse, and in groove the rubber strip 9 of convex shape is embedded in down, is had Body is so that by rubber strip firm pasting, point storehouse is average every beam 8 in the bottom land of groove, top surface and the equal brushwork epoxy resin of both sides cell wall Height h2The averagely compacting effective thickness b of thickness h-rubber strip 9 of=graded broken stone damping layer 32, point storehouse matches somebody with somebody broken every the length of beam 8 with level The width of stone damping layer 3 is identical, width a=10~20cm, groove slot bottom width a of point storehouse every beam1=3~5cm.In point storehouse every beam 8 The emulsified asphalt stabilization gravel 41 of upper making basic unit surface layer 4, to support basic unit's surface layer 4.
Described rubber strip 9 by+60 DEG C~-40 DEG C of Applicable temperature+60 DEG C~-25 DEG C of natural rubber or Applicable temperature The strip member of falling convex shape made by chloroprene rubber material, total height is b, and protrusion height is b1, effective depth b of rubber strip 92= Total height b- protrusion height b1, the convex portion of rubber strip is embedded in point storehouse in the groove of beam, rubber strip effective depth b2It is special with material Property by calculate after preliminary parameters by test determine, protrusion height b1Determined by construction, rubber strip width is with point storehouse every beam width phase Same a=10~20cm, convex portion bottom width a2=groove slot bottom width a11~2mm of-epoxy thickness.
In addition, emulsified asphalt stabilization gravel 41, bituminous concrete 42 and the rubber asphalt coagulation with regard to constituting sub-surface 4 Soil 43.
Described emulsified asphalt stabilization gravel 41 is sub-surface 4, is that pure drip is added in common stable macadam-aggregate mix The emulsified asphalt Jing compactings of blue or green content 1~3% are formed, 30~50cm of thickness, to increase material flexibility and improve Ultimate Tensile strain The characteristics of measuring, and make emulsified asphalt stabilization gravel 41 that there is coordination of potent and mild therapies and the effect of vibration damping.
Described bituminous concrete 42 is road surface cutting optimal, and Jing artificial selections have the rubble of certain gradation composition or grating The mineral aggregate such as gravel, aggregate chips or sand, breeze, additive and a certain proportion of bitumen for road use material mixing material, in strict control condition Lower mixing, Jing is rolled and is formed asphalt concrete pavement cutting optimal, 6~8cm of general thickness.
Described rubber asphalt concrete 43 is a certain amount of to fill in open gradation or gap grading asphalt concrete Rubber powder additive, with larger elasticity and elastic recovery capability, plays a part of to reduce driving noise, and rubber asphalt is mixed Solidifying soil can typically be divided to two kinds of monolayer or two-layer, thickness depending on the ability of the load, rolling apparatus and absorption of noise on road surface, monolayer 5~6cm of Shi Houdu, 10~12cm of gross thickness during two-layer.The compacting of rubber asphalt concrete need to be too high in strict conformity with design requirement Compactness be unfavorable for absorb driving noise.
Described vehicle is vibration and noise-producing source, the vibration of wheel be mainly electromotor, vehicle frame and with road surface it Between contact vibration, noise is mainly pavement friction, electromotor, brake oil and wind noise etc..Noise master in general tunnel To be absorbed by rubber asphalt surface layer, the remainder noise passed to outside tunnel is by facilities such as sound barrier, the greenings arranged outside tunnel Reduce noise.Driving vibration is absorbed by rubber asphalt concrete 43, emulsified asphalt stabilization gravel 41 and graded broken stone damping layer 3 shakes It is dynamic.
Described vehicular load 10 is travelled in basic unit's 4 top surface of surface layer, and as shown in Figure 5, Figure 6, tire lands length for c, Load intensity is q0, load angle of flare is 450, average total thickness h of Jing basic units surface layer 41After load diffusion, load assignment intensity is Q, graded broken stone damping layer 3 and rubber strip 9 produce Compression Settlement, and vehicle is through graded broken stone damping layer 3 and the intersection of rubber strip 9 Driving smooth-going is comfortable during basic unit's 4 top surface of surface layer, it is desirable to which graded broken stone damping layer 3 is identical with the Compression Settlement of rubber strip 9.Thus, Graded broken stone damping layer 3 and rubber strip 9 have related parameter to be calculated by following equation:
Formula one,
Formula two,
In formula one, formula two
--- vehicular load 10 is travelled in basic unit's 4 top surface of surface layer, tire land length for c, the width that lands be d when Distributed load intensity,
--- vehicular load 10 is travelled in basic unit's 4 top surface of surface layer, the distributed load Jing after the diffusion of the load of basic unit's surface layer 4 Intensity,
--- the vehicle tyre respectively along direction of traffic lands the width that lands of length, direction of traffic sidewards,
--- when vehicular load 10 is travelled in basic unit's 4 top surface of surface layer, the respectively unit of graded broken stone damping layer 3 The vertical Compression Settlement of area, rubber strip 9 and point storehouse every the unit area of beam 8 vertical Compression Settlement,
--- the respectively average compacted depth of graded broken stone damping layer 3, the average total thickness of basic unit's surface layer 4, rubber The effective depth of adhesive tape 9,
--- respectively the resilience modulus of compressibility of graded broken stone damping layer 3, point storehouse are every the concrete of beam 8 and rubber The elastic modelling quantity of adhesive tape 9,,
From formula one, formula two, the effective depth of rubber strip 9 is unrelated with the intensity size of vehicular load 10, is matched somebody with somebody by level The average compacted depth and resilience modulus of compressibility of rubble damping layer 3, rubber strip 9 and point storehouse are true every the elastic modelling quantity of the concrete of beam 8 Fixed, this is just illustrated no matter which kind of vehicle of different loads passes through basic unit's 4 top surface of surface layer, can make graded broken stone damping layer 3 with The Compression Settlement of rubber strip 9 is identical, it is ensured that driving smooth-going is comfortable;Calculated after preliminary data, and by Experiment Road by above formula Finally determine that there is related parameter in graded broken stone damping layer 3, rubber strip 9 and point storehouse every the concrete of beam 8.
The construction method of described vcehicular tunnel car-driving shock-absorbing denoising structure comprises the steps:
Step one, draft vcehicular tunnel car-driving shock-absorbing denoising structure scheme
1. the data of vibration and noise reducing are needed according to vcehicular tunnel geological drilling data and sensitizing range, emulsified asphalt is drafted steady Determine the thickness of the basic unit's surface layer 4 and mixture material composition and level of rubble 41, bituminous concrete 42 and rubber asphalt concrete 43 Match somebody with somebody;
2. the sizing parameters of graded broken stone damping layer 3, rubber strip 9 and point storehouse every beam 8 are calculated according to formula two;
3. finally determine basic unit's surface layer 4, graded broken stone damping layer 3, rubber strip 9 and point storehouse every the coagulation of beam 8 by Experiment Road The relevant design parameter of soil;
Step 2, after the tunnel structure, drainage system for completing, construction point storehouse is every beam
1. on fill concrete 14 install point storehouse every beam steel, pour point storehouse every the concrete of beam 8;
2. in point storehouse every the placed on top of beam 8 and the thickness identical plank of rubber strip 9, and fix temporarily, determine that level is matched somebody with somebody with this The compacted depth of rubble damping layer 3;
Step 3, making graded broken stone damping layer 3 are simultaneously compacted
1. the satisfactory material of graded broken stone damping layer 3 is selected, uniform making is layered;
2. suitable compacting machinary, compacting graded broken stone damping layer 3 are selected;
3. the compactness of graded broken stone damping layer 3 is checked, it is desirable to which compactness is 85~90%;
Step 4, installation rubber strip 9
1. point storehouse is removed every the interim fixed plank in the top of beam 8;
2. point storehouse debris in the groove of beam 8 are cleaned out, clear water is rinsed and dried;
3. groove inner wall and top surface brushwork epoxy resin of the storehouse every beam is divided, it is desirable to which thickness is uniform;
4. rubber strip 9 is installed, is flattened, be firmly bonded with small-sized machine;
Step 5, making compacting emulsified asphalt stabilization gravel 41:
1. the compound of dispensing mix emulsified asphalt stabilization gravel 41 and to be transported to on-site layering making uniform;
2. it is compacted from suitable compacting machinary;
3. the compactness of the compound of emulsified asphalt stabilization gravel 41 is checked, it is desirable to compactness 94~95%;
Step 6, making compacting bituminous concrete 42
1. the compound of dispensing mix bituminous concrete 42 and to be transported to live making uniform;
2. it is compacted from suitable compacting machinary;
3. the compound compactness of bituminous concrete 42 is checked, it is desirable to compactness 96~97%;
Step 7, making compacting rubber asphalt concrete 43
1. the compound of dispensing mix rubber asphalt concrete 43 and to be transported to live making uniform;
2. it is compacted from suitable compacting machinary;
3. the compound compactness of rubber asphalt concrete 43 is checked, it is desirable to compactness 95~96%.
Embodiment described in the utility model is merely to illustrate this utility model rather than limits scope of the present utility model. It should be further understood that after the content for having read this utility model instruction, those skilled in the art can be to this utility model Make various changes or modifications, these equivalent form of values are equally fallen within the application appended claims limited range.

Claims (7)

1. a kind of vcehicular tunnel car-driving shock-absorbing denoising structure, including composition tunnel structure(1)Preliminary bracing(11), secondary lining (12), inverted arch(13), fill concrete(14)And footpath(15), and it is arranged on tunnel structure(1)Interior drainage system(2), The drainage system have be embedded in fill concrete along tunnel axis(14)Interior central drain(23), along Central Drainage Pipe is formed around the sandstone permeable layer that cross section is laid in inverted trapezoidal(5), it is characterised in that described fill concrete(14)On It is provided with the graded broken stone damping layer successively laid(3)With basic unit's surface layer(4), basic unit's surface layer top surface supplies vehicular load(10)OK Sail;Described graded broken stone damping layer(3)Top is equipped with upper strata Colophonium water shutoff layer(6);Described fill concrete(14)Top Portion, fill concrete and sandstone permeable layer(5)Junction is equipped with lower floor's Colophonium water shutoff layer(7);Described upper strata Colophonium envelope Water layer(6)With sandstone permeable layer(5)Many are provided between top be embedded in graded broken stone damping layer along tunnel axis horizontal spacing (3)Interior point storehouse is every beam(8), the fixed rubber strip of setting-in is equipped with every back portion per root point storehouse(9), the rubber strip supports described Basic unit's surface layer(4).
2. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 1, it is characterised in that described graded broken stone subtracts Shake layer(3)The graded broken stone compacting hard using rubble quality, level matches somebody with somebody good, 1~5cm of particle diameter is formed, 20~30cm of thickness, pressure Solidity is 85~90%.
3. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 1, it is characterised in that described point storehouse is every beam(8) For reinforced concrete structure, adjacent two pieces points of storehouses are every beam(8)Between spacing be 5~10m, point storehouse is every beam(8)Average height h2= Graded broken stone damping layer(3)Average compacting thickness h-rubber strip(9)Effective thickness b2, per root, point storehouse is every beam(8)Top is provided with recessed Groove, in groove the rubber strip of convex shape is embedded in down(9), length and graded broken stone damping layer of point storehouse every beam(3)Width is identical, Divide storehouse every beam(8)Width a=10~20cm, groove slot bottom width a1=3~5cm.
4. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 1, it is characterised in that described rubber strip(9)By It is convex made by the natural rubber that+60 DEG C~-40 DEG C of Applicable temperature or the chloroprene rubber material of+60 DEG C~-25 DEG C of Applicable temperature Font strip member, total height is b, and protrusion height is b1, rubber strip effective depth b2=total height b- protrusion height b1, rubber Bar(9)Convex portion be embedded in point storehouse in the groove of beam, the bottom land, top and the equal brushwork epoxy resin of both sides cell wall in groove will be with will Rubber strip firm pasting, rubber strip width and point storehouse are every the identical a=10~20cm of beam width, convex portion bottom width a2=groove slot bottom width a11~2mm of-epoxy thickness.
5. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 1, it is characterised in that described basic unit's surface layer(4) It is by the emulsified asphalt stabilization gravel successively laid(41), bituminous concrete(42)And rubber asphalt concrete(43)Constitute, should Rubber asphalt concrete point monolayer or two-layer, thickness depending on the ability of the load, rolling apparatus and absorption of noise on road surface, monolayer 5~6cm of Shi Houdu, 10~12cm of gross thickness during two-layer.
6. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 1, it is characterised in that described drainage system(2) Including central drain(23), be close to footpath(15)The longitudinal drainage ditch of longitudinal extension(21), be respectively communicated with basic unit's surface layer(4) With longitudinal drainage ditch(21)Transverse drain(22)And it is arranged on basic unit's surface layer(4)The road surface transverse drainage slope of top surface(24).
7. vcehicular tunnel car-driving shock-absorbing denoising structure according to claim 6, it is characterised in that described longitudinal drainage ditch (21)Poured using cement concrete and formed, top surface arranges filtering foreign grid;Described transverse drain(22)Along tunnel axle Line laterally arranges multiple, the 8~10cm of diameter of each transverse drain every 3~5m;Described central drain(23)For straight The RC circular pipe of 80~120cm of footpath, tube wall surrounding reserves the infiltration aperture of multiple 0.5~1.0cm, and outsourcing geotechnique deploy troops on garrison duty Only block the reserved multiple infiltration apertures of tube wall surrounding;Described road surface transverse drainage slope(24)Referred to by tunneled central axisymmetrical Formed to the longitudinal drainage ditch of both sides of the edge and inclined, ratio of slope is i1=1.3~1.6%.
CN201620971036.9U 2016-08-30 2016-08-30 Structure of making an uproar falls in highway tunnel driving damping Withdrawn - After Issue CN206127789U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106192646A (en) * 2016-08-30 2016-12-07 宁波交通工程建设集团有限公司 Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof
CN111236985A (en) * 2020-01-10 2020-06-05 中国矿业大学 Subway tunnel vibration and noise control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106192646A (en) * 2016-08-30 2016-12-07 宁波交通工程建设集团有限公司 Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof
CN106192646B (en) * 2016-08-30 2018-07-06 宁波交通工程建设集团有限公司 Vcehicular tunnel car-driving shock-absorbing denoising structure and its construction method
CN111236985A (en) * 2020-01-10 2020-06-05 中国矿业大学 Subway tunnel vibration and noise control method
CN111236985B (en) * 2020-01-10 2020-11-24 中国矿业大学 Subway tunnel vibration and noise control method

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