CN108978710A - From wall type subway station vibration insulation structure and its construction method - Google Patents
From wall type subway station vibration insulation structure and its construction method Download PDFInfo
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- CN108978710A CN108978710A CN201810862445.9A CN201810862445A CN108978710A CN 108978710 A CN108978710 A CN 108978710A CN 201810862445 A CN201810862445 A CN 201810862445A CN 108978710 A CN108978710 A CN 108978710A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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Abstract
The present invention provides one kind from wall type subway station vibration insulation structure and its construction method, the vibration insulation structure includes the diaphram wall enclosed on the outside of the side wall, the side coping is equipped with top plate, the bottom of the side wall is equipped with bottom plate, the end of the bottom plate connects with the diaphram wall respectively, force transmitting board is equipped at intervals between the diaphram wall and the top and bottom of the side wall, the force transmitting board is arranged along diaphram wall extending direction interval, the both ends of the force transmitting board respectively with the diaphram wall, the side wall connects, between the adjacent force transmitting board, vibration isolation material is filled between the force transmitting board and the top plate and between the force transmitting board and the bottom plate.The present invention transmits horizontal force by force transmitting board, changes the propagation path of wave, and the environmental vibration of train operation induction is greatly lowered, applies waterproof on the outside of side wall again after side wall construction of the present invention, waterproof construction is convenient, effect is more preferable.
Description
Technical field
The present invention relates to technical field of building construction, relate in particular to it is a kind of from wall type subway station vibration insulation structure and its
Construction method.
Background technique
With the Large scale construction of urban track traffic, a three-dimensional rail traffic spatial network system is just increasingly being formed,
Due to its own feature, it is distributed widely in down town area, with intensive city neighborhood, commercial center, colleges and universities and scientific research
Institutes.The case where subway station is adjoined with existing Important building, happens occasionally, and the construction of subway station and operation will certainly make
At vibration, excessive dither effect often generates interference to existing building, passes through improvement to construction technology, construction method
It improves, reducing the influence of subway work and railroad embankment to existing building becomes most important.
In existing underground station structure, generally by composite wall or overlapping wall construct, and the inner-outer wall of composite wall it
Between can directly transmit normal force, normal force, shearing and moment of flexure can directly be transmitted by overlapping between the inner-outer wall of wall, in surrounding enviroment pair
It vibrates, disturb in demanding situation, both techniques, which exist, to be difficult to meet environmental protection requirement；Simultaneously as underground is continuous
There are new-old concretes to pour face between wall and structure side wall, and structure side wall is easy to appear crack, causes structure side wall percolating water,
Structure reinforcing bars easily corrode, and reduce the durability of structure, and composite wall, overlapping wall in setting structure outsourcing waterproof difficulty compared with
High, quality is difficult to ensure, causes station structure side wall percolating water situation at this stage than more serious, later period Treatment Measures to Leakage expense
It is higher；In addition, diaphram wall medial surface dabbing, needs a large amount of manpowers.
Summary of the invention
In view of the foregoing, the present invention provides a kind of from wall type subway station vibration insulation structure and its construction method, solves existing
Some composite walls, overlapping wall construction subway station train operation when the technical issues of being affected to surrounding enviroment, by from
The construction of wall wall achievees the effect that vibration damping from requirements at the higher level, subtracts disturbance, reduces the influence to the sensitive environment in periphery, while improving original
There is the problem of composite wall, overlapping wall station side wall construction percolating water.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of from wall type subway station vibration insulation structure, it is described
Subway station includes station main structure, and the station main structure includes forming in the side of station main structure side
Wall, the vibration insulation structure include the diaphram wall enclosed on the outside of the side wall, and the side coping is equipped with top plate, described
The bottom of side wall is equipped with bottom plate, and the end of the bottom plate connects with the diaphram wall respectively, the diaphram wall and institute
It states and is equipped at intervals with force transmitting board between the top and bottom of side wall, the force transmitting board is set along diaphram wall extending direction interval
It sets, the both ends of the force transmitting board connect with the diaphram wall, the side wall respectively, between the adjacent force transmitting board, described
Vibration isolation material is filled between force transmitting board and the top plate and between the force transmitting board and the bottom plate.
In the embodiment of the present invention, the vibration isolation material is foam concrete and sand.
In the embodiment of the present invention, the vibration isolation material between the force transmitting board and the top plate is sand, the adjacent force transmitting board
Between and vibration isolation material between the force transmitting board and the bottom plate be foam concrete.
In the embodiment of the present invention, the foam concrete includes cement, foaming agent, thickener, water-reducing agent, water, the bubble
Cement in foam concrete, thickener, water-reducing agent and water weight ratio be 600:2:0.3:1.8:300.
In the embodiment of the present invention, waterproof roll is equipped on the outside of the side wall.
The present invention separately provides a kind of from wall type subway station vibration insulation structure construction method, comprising the following steps:
1) it after excavation pit to bottom of foundation ditch, performs composite earthing network and pours bed course, bed course performs bottom after the completion of pouring
Plate waterproof simultaneously carries out construction of bottom plates；
2) base plate strength reach design strength 80% after, remove bottom plate on square steel supporting；
3) lower n-layer side wall is applied on the inside of diaphram wall using two-sided formwork erection mode, the lower n-layer side wall is with described
It interspaces in advance between lower diaphragm wall, pours plate in n-1 layers lower；
4) exterior sheathing for removing lower n-layer side wall, paving waterproof roll is glued on the outside of the lower n-layer side wall, is then carrying out lower n
Pre- the interspace backfill of interior backfill foam concrete and force transmitting board of constructing in layer range, the both ends of the force transmitting board respectively with it is described
Lower n-layer side wall, the diaphram wall connect；
5) after plate structural strength reaches design strength 80% in n-1 layers lower, the bracing members in lower n-1 layers of range are removed；
6) step 3~5 are repeated up to construction to next layer of side wall, between the next layer of side wall and the diaphram wall
Interspace in advance, pour top plate in the next layer of side coping, the end of the top plate respectively with the diaphram wall phase
It connects；
7) exterior sheathing for removing next layer of side wall glues paving waterproof roll, then next on the outside of the next layer of side wall
Pre- interspace in layer range and applies force transmitting board at interior backfill yellow sand, the both ends of the force transmitting board respectively with the next layer of side
Wall, the diaphram wall connect；
8) waterproof roofing is applied, first of concrete support, backfill to designed elevation are removed.
In the embodiment of the present invention, the foam concrete is placement layer by layer, the placement layer by layer height of the foam concrete
No more than 60cm.
In the embodiment of the present invention, the foam concrete includes cement, foaming agent, thickener, water-reducing agent, water, the bubble
Cement in foam concrete, thickener, water-reducing agent and water weight ratio be 600:2:0.3:1.8:300.
In the embodiment of the present invention, the vertical distance between the adjacent force transmitting board is 2000mm.
The present invention due to use above technical scheme, make it have it is following the utility model has the advantages that
(1) present invention transmits horizontal force by force transmitting board, changes the propagation path of wave, train operation can be greatly lowered
The environmental vibration of induction applies waterproof on the outside of side wall after side wall construction of the present invention again, and waterproof construction is convenient, effect is more preferable,
And vibration insulation structure of the present invention includes that bottom plate, top plate and side wall waterproof roll, waterproof performance greatly promote.
(2) foam concrete has many advantages, such as small density, light weight, heat preservation, sound insulation, antidetonation, while foam concrete
Porosity makes it have low elasticity modulus, backfills the gap between diaphram wall and side wall using foam concrete, has
The advantages that antiseepage, damping, noise reduction, sound insulation, heat preservation, more can be by its absorption and dispersion to impact load, reduction pair
The disturbance of surrounding enviroment.
Detailed description of the invention
Fig. 1 is of the invention from wall type subway station vibration insulation structure diagrammatic cross-section.
Fig. 2 is force transmitting board plan view of the present invention.
Fig. 3 is of the invention from wall type subway station vibration insulation structure construction schematic diagram.
Fig. 4 is that of the invention construct from wall type subway station vibration insulation structure completes schematic diagram.
The corresponding relationship of appended drawing reference and component is as follows:
Station main structure 1；Bracing members 10；Side wall 11；Next layer of side wall 111；Lower two layers of side wall 112；Lower three layers of side wall
113；Middle plate 12；Plate 121 in next layer；Plate 122 in lower two layers；Waterproof roll 13；Diaphram wall 20；Top plate 21；Bottom plate 22；
Force transmitting board 23；Foam concrete 24；Sand 25；First of concrete support 3.
Specific embodiment
For the benefit of to understanding of the invention, it is illustrated with reference to the accompanying drawings and embodiments.
It please refers to shown in Fig. 1, Fig. 2, the present invention provides a kind of from wall type subway station vibration insulation structure, the subway station packet
Include station main structure 1, the station main structure 1 include form in 1 side of station main structure side wall 11 and in
Plate 12, the vibration insulation structure include the diaphram wall 20 enclosed set on 11 outside of side wall, and the top of the side wall 11 is equipped with
The bottom of top plate 21, the side wall 11 is equipped with bottom plate 22, and the end of the bottom plate 22 connects with the diaphram wall 20 respectively,
It is equipped at intervals with force transmitting board 23 between the diaphram wall 20 and the top and bottom of the side wall 11, the two of the force transmitting board 23
End connects with the diaphram wall 20, the side wall 11 respectively, and the force transmitting board 23 is along 20 side of extension of diaphram wall
Be arranged to interval, between the adjacent force transmitting board 23, between the force transmitting board 23 and the top plate 21 and the force transmitting board 23 with
Vibration isolation material is filled between the bottom plate 22.
More preferably, as shown in Figure 1,3, the outside of the side wall 11 is equipped with waterproof roll 13, and the force transmitting board 23 is existing
Pouring concrete structure, the vibration isolation material are foam concrete 24 and sand 25.In the embodiment of the present invention, the force transmitting board 23 and institute
Stating vibration isolation material between top plate 21 is sand 25, between the adjacent force transmitting board 23 and the force transmitting board 23 and the bottom plate 22 it
Between vibration isolation material be foam concrete 24；Alternatively, the vibration isolation material can also be all using foam concrete 24.The bubble
Foam concrete 24 includes cement, foaming agent, thickener, water-reducing agent, water, cement, thickener, diminishing in the foam concrete 24
The weight ratio of agent and water is 600:2:0.3:1.8:300.
It the selection method of detailed description below foam concrete of the present invention, the preparation of foam concrete and pours.
1. the selection of foam concrete
Current vibration proofing material mainly has sand bedding course, soil sand bag, STC Reinforced Sand, polyurathamc, high polymer and foam coagulation
Soil.Bright ditch vibration isolating effect is best, but station is underground structure, can gather underground water in bright ditch cavity, therefore should not use；Foaming
Polyurethane and high polymer subtract vibration isolating effect and are only second to bright ditch, but its cost is high, should not in engineering large-scale application；STC
Reinforced Sand and soil engineering bag can only have in certain depth subtracts vibration isolating effect well, using there is biggish limitation；Sand bedding course skill
Art is mature, but is mostly used for civil buildings, and vibration isolating effect is influenced by compactness, and long-term vibration isolating effect is not good enough；When foam concrete
New material that is mature in recent years and applying, and cost and normal concrete difference are little, it can large-scale application.Comprehensively consider various
The packing material of factor, subway station vibration insulation structure of the present invention is foam concrete and yellow ground, is filled out between top plate and force transmitting board
Yellow ground is filled to be conducive to save construction cost simultaneously and do not influence anti-vibration performance.
2. prepared by foam concrete
For portland cement concrete, intensity is reduced with the increase of the ratio of mud, for foam concrete,
The ratio of mud is but not quite similar to the affecting laws of intensity, and foam concrete has the process of foam introducing during the preparation process, is
Foam is uniformly introduced in cement slurry and intact is distributed evenly in foam concrete system, it is desirable that cement slurry has
Good mobility, the higher molding ratio of mud are precisely to guarantee that cement slurry has the necessary condition of good fluidity；Meanwhile
The theory ratio of mud required for hydrated cementitious is about 0.18-0.22, but in actual production, in order to meet the requirement of application property,
The ratio of mud of most foams concrete is all between 0.5-0.7, so the additives such as water-reducing agent need to be added, as shown in table 1 below
Matching parameter for the present invention from foam concrete used in the vibration insulation structure of wall type subway station.
1 foam concrete of table matches table
| Serial number | Title material | Dosage (kg) | Remarks |
| 1 | Cement (P.C42.5) | 600 | |
| 2 | Foaming agent | 2 | |
| 3 | Thickener (cellulose ether) | 0.3 | |
| 4 | Water-reducing agent | 1.8 | |
| 5 | Water | 300 |
3. foam concrete pours
Foam concrete is in casting process, as foam concrete pours the raising of height, foam concrete bottom
Pressure constantly increases, and the bubble in bottom foam concrete is squeezed discharge, so that bottom foam concrete density becomes larger, subtracts
Vibration and waterproof performance die down, and concrete surface can generate certain sedimentation after pouring；If the following table 2 is that different placement layer by layer is high
Spend the settlement influence after pouring to foam concrete.
The influence that 2 placement layer by layer height of table settles foam concrete
As shown in Table 2, the placement layer by layer height of foam concrete is higher, and settling amount is bigger, therefore, certain in order to guarantee
Speed of application, and can by the extrusion deformation degree of foam concrete control in the reasonable scope, foam concrete of the present invention
Placement layer by layer height is no more than 60cm.
Embodiment
As shown in figure 3, by taking F3/B3 station as an example, the middle plate 12 include plate 121 in next layer, be two layers lower in plate
122, construction method of the present invention from wall type subway station vibration insulation structure is as follows:
1) it after excavation of foundation pit to bottom of foundation ditch, performs composite earthing network and pours bed course, bed course performs bottom plate after pouring 2 days
22 waterproofs simultaneously carry out the construction of bottom plate 22；
2) 22 intensity of bottom plate reach design strength 80% after, remove bottom plate 22 on square steel supporting 10；
3) lower three layers of side wall 113, lower three layers of side wall are applied on the inside of diaphram wall 20 using two-sided formwork erection mode
It interspaces in advance between 113 and the diaphram wall 20, pours plate 122 in lower two layers；
4) exterior sheathing for removing lower three layers of side wall 113 glues paving waterproof roll 13 on the outside of lower three layers of side wall 113, then exists
Pre- interspace interior backfill foam concrete 24 and construction force transmitting board 23 within the scope of lower three layers, the both ends difference of the force transmitting board 23
Connect with lower three layers of side wall 113, the diaphram wall 20, the force transmitting board 23 is along 20 side of extension of diaphram wall
To setting, the force transmitting board 23 is spaced 2000mm setting；
5) after plate 122 reaches design strength 80% in lower two layers, the bracing members 10 within the scope of lower two layers are removed；
6) it is constructed lower two layers of side wall 112 using two-sided formwork erection mode, lower two layers of side wall 112 and the diaphram wall
It interspaces in advance between 20, pours plate 121 in next layer at the top of lower two layers of side wall 112；
7) exterior sheathing for removing lower two layers of side wall 112 glues paving waterproof roll 13 in the outside of lower two layers of side wall 112,
Then pre- interspace interior backfill foam concrete 24 and the construction force transmitting board 23 within the scope of lower two layers, the two of the force transmitting board 23
End connects with lower two layers of side wall 112, the diaphram wall 20 respectively, and the force transmitting board 23 is along the diaphram wall 20
Extending direction setting；
8) after plate 121 reaches design strength 80% in next layer, the bracing members 10 within the scope of next layer are removed；
9) it is constructed next layer of side wall 111 using two-sided formwork erection mode, the next layer of side wall 111 and the diaphram wall
It interspaces in advance between 20, pours top plate 21 at the top of the next layer of side wall 111, the end of the top plate is respectively with describedly
Lower diaphragm wall connects；
10) exterior sheathing for removing next layer of side wall 111 glues paving waterproof roll 13 on the outside of next layer of side wall 111, then exists
Pre- within the scope of next layer, which interspaces, interior backfill yellow sand 25 and applies force transmitting board 23, the both ends of the force transmitting board 23 respectively with it is described
Next layer of side wall 111, the diaphram wall 20 connect；
11) 21 waterproof of top plate is applied, first of concrete support 3 is removed, backfill to designed elevation is illustrated in figure 4
Subway station vibration insulation structure schematic diagram after the completion of construction.
It is described the invention in detail above in conjunction with accompanying drawings and embodiments, those skilled in the art can basis
Above description makes many variations example to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention,
The present invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (9)
1. a kind of from wall type subway station vibration insulation structure, the subway station includes station main structure, the station main body knot
Structure includes the side wall for forming in station main structure side, it is characterised in that: the vibration insulation structure includes enclosing set on described
Diaphram wall on the outside of side wall, the side coping are equipped with top plate, and the bottom of the side wall is equipped with bottom plate, the bottom plate
End connects with the diaphram wall respectively, is equipped at intervals between the diaphram wall and the top and bottom of the side wall
Force transmitting board, the force transmitting board along diaphram wall extending direction interval be arranged, the both ends of the force transmitting board respectively with it is described
Diaphram wall, the side wall connect, between the adjacent force transmitting board, between the force transmitting board and the top plate and the power transmission
Vibration isolation material is filled between plate and the bottom plate.
2. according to claim 1 from wall type subway station vibration insulation structure, which is characterized in that the vibration isolation material includes bubble
Foam concrete and sand.
3. according to claim 2 from wall type subway station vibration insulation structure, which is characterized in that the force transmitting board and the top
Vibration isolation material between plate is sand, and between the adjacent force transmitting board and the vibration isolation material between the force transmitting board and the bottom plate is
Foam concrete.
4. according to claim 2 from wall type subway station vibration insulation structure, which is characterized in that the foam concrete includes
Cement, foaming agent, thickener, water-reducing agent, water, cement in the foam concrete, thickener, water-reducing agent and water weight ratio be
600:2:0.3:1.8:300。
5. according to claim 1 from wall type subway station vibration insulation structure, which is characterized in that the outside of the side wall is laid with
There is waterproof roll.
6. a kind of from wall type subway station vibration insulation structure construction method, which comprises the following steps:
1) it after excavation pit to bottom of foundation ditch, performs composite earthing network and pours bed course, bed course performs bottom plate after the completion of pouring anti-
Water simultaneously carries out construction of bottom plates；
2) base plate strength reach design strength 80% after, remove bottom plate on square steel supporting；
3) lower n-layer side wall is applied on the inside of diaphram wall using two-sided formwork erection mode, the lower n-layer side wall and the underground connect
It interspaces in advance between continuous wall, pours plate in n-1 layers lower；
4) lower n-layer side wall exterior sheathing is removed, paving waterproof roll is glued on the outside of the lower n-layer side wall, then within the scope of lower n-layer
Interspace the backfill of interior backfill foam concrete and construction force transmitting board in advance, the both ends of the force transmitting board respectively with the lower n-layer side wall,
The diaphram wall connects；
5) after plate structural strength reaches design strength 80% in n-1 layers lower, the bracing members in lower n-1 layers of range are removed；
6) step 3~5 are repeated until construction is reserved between the next layer of side wall and the diaphram wall to next layer of side wall
Gap pours top plate in the next layer of side coping, and the end of the top plate connects with the diaphram wall respectively；
7) exterior sheathing for removing next layer of side wall glues paving waterproof roll, then in next layer of model on the outside of the next layer of side wall
Pre- in enclosing, which interspaces, interior backfill yellow sand and applies force transmitting board, the both ends of the force transmitting board respectively with the next layer of side wall, institute
Diaphram wall is stated to connect；
8) waterproof roofing is applied, first of concrete support, backfill to designed elevation are removed.
7. according to claim 6 from wall type subway station vibration insulation structure construction method, which is characterized in that the foam is mixed
Solidifying soil is placement layer by layer, and the placement layer by layer height of the foam concrete is not more than 60cm.
8. according to claim 6 from wall type subway station vibration insulation structure construction method, which is characterized in that the foam is mixed
Solidifying soil includes cement, foaming agent, thickener, water-reducing agent, water, cement in the foam concrete, thickener, water-reducing agent and water
Weight ratio is 600:2:0.3:1.8:300.
9. according to claim 6 from wall type subway station vibration insulation structure construction method, which is characterized in that the adjacent biography
Vertical distance between power plate is 2000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810862445.9A CN108978710A (en) | 2018-08-01 | 2018-08-01 | From wall type subway station vibration insulation structure and its construction method |
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|---|---|---|---|
| CN201810862445.9A CN108978710A (en) | 2018-08-01 | 2018-08-01 | From wall type subway station vibration insulation structure and its construction method |
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| CN108978710A true CN108978710A (en) | 2018-12-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109960859A (en) * | 2019-03-12 | 2019-07-02 | 中国建筑科学研究院有限公司 | Vibration isolation structure and finite element simulation method for buildings along subway line |
| CN110593276A (en) * | 2019-10-15 | 2019-12-20 | 中建三局集团有限公司 | Sound-absorbing vibration-insulating concrete material vibration-resisting ditch backfill construction method and application |
| CN112942424A (en) * | 2021-03-15 | 2021-06-11 | 上海市城市建设设计研究总院（集团）有限公司 | Elastic shock insulation structure for realizing different rigidity of composite wall subway station and construction method |
| CN113700048A (en) * | 2021-07-22 | 2021-11-26 | 北京工业大学 | Sectional type shock attenuation interlayer between subway station and ground wall even |
| CN114541187A (en) * | 2022-04-14 | 2022-05-27 | 中国科学院地理科学与资源研究所 | Shock absorption and vibration isolation continuous barrier considering subway station and construction method thereof |
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| CN107268638A (en) * | 2017-08-11 | 2017-10-20 | 广西大学 | Water rich strata Deep Foundation Pit of Metro Stations side wall waterproof construction and its construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960859A (en) * | 2019-03-12 | 2019-07-02 | 中国建筑科学研究院有限公司 | Vibration isolation structure and finite element simulation method for buildings along subway line |
| CN109960859B (en) * | 2019-03-12 | 2023-03-28 | 中国建筑科学研究院有限公司 | Vibration isolation structure and finite element simulation method for buildings along subway line |
| CN110593276A (en) * | 2019-10-15 | 2019-12-20 | 中建三局集团有限公司 | Sound-absorbing vibration-insulating concrete material vibration-resisting ditch backfill construction method and application |
| CN112942424A (en) * | 2021-03-15 | 2021-06-11 | 上海市城市建设设计研究总院（集团）有限公司 | Elastic shock insulation structure for realizing different rigidity of composite wall subway station and construction method |
| CN113700048A (en) * | 2021-07-22 | 2021-11-26 | 北京工业大学 | Sectional type shock attenuation interlayer between subway station and ground wall even |
| CN114541187A (en) * | 2022-04-14 | 2022-05-27 | 中国科学院地理科学与资源研究所 | Shock absorption and vibration isolation continuous barrier considering subway station and construction method thereof |
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Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |