CN108119177A - A kind of tunnel exhausting duct precast assembly structure - Google Patents
A kind of tunnel exhausting duct precast assembly structure Download PDFInfo
- Publication number
- CN108119177A CN108119177A CN201711434987.8A CN201711434987A CN108119177A CN 108119177 A CN108119177 A CN 108119177A CN 201711434987 A CN201711434987 A CN 201711434987A CN 108119177 A CN108119177 A CN 108119177A
- Authority
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- China
- Prior art keywords
- air channel
- channel base
- cast
- base plate
- hold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000007373 indentation Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004927 clay Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
- E21F1/06—Duct connections
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel exhausting duct precast assembly structures, prefabricated air channel base plate piecemeal is erected on the bracket of cast-in-place air passage side wall, and the operations such as notch filling pea gravel concreten, hold-down bolt between cast-in-place side wall bracket and prefabricated air channel base plate, bottom plate set up with prefabricated air channel base plate piecemeal and implement, working strength and difficulty so are can obviously reduce, saves human cost.Advantages of the present invention is：Exempt and tear template operation in long and narrow air passage open, hence it is evident that reduce operation intensity and difficulty, save human cost；Meet " green " construction requirement；Use hold-down bolt, connection bolt that can effectively prevent vehicle traveling from generating vibration and tunnel internal such as top plate and air channel base plate and setting anchor bolt operation vibration that gap is caused between prefabricated air passage plate to expand to leak out and cause influence exhaust effect using drilling for installation fire-proof plate；It is easily changed for the air channel base plate being damaged such as in the accidents such as tunnel fire hazard.
Description
Technical field
The present invention is suitable for tunnel or longitudinal long range underground structure top plate sets the tunnel exhausting duct of rectangular duct pre-
Splicing structure processed.
Background technology
Be built in business district underground loop generally sets rectangle exhausting duct to be commonly used for loop air draft using underground loop top plate
Rectangle exhausting duct height it is smaller, template inside air passage need to be removed using monolithic reinforced concrete structure, due to net in exhausting duct
Outage degree is small, and form removal personnel can only be over long distances（The length of deformation joint spacing is typically no less than 25m）Crawling operations, work
Environment is poor, and working strength is larger, and thus installation prefabricated to air passage proposes demand.
The content of the invention
It is an object of the invention to provide a kind of tunnel exhausting duct precast assembly structure, the work that can obviously reduce installation is strong
Degree and difficulty, save human cost.
To achieve these goals, technical scheme is as follows：A kind of tunnel exhausting duct precast assembly structure, including
Cast-in-place air passage side wall, it is characterised in that the tunnel exhausting duct precast assembly structure further includes
Cast-in-place air passage side wall bracket, the cast-in-place air passage side wall bracket are arranged on the inside of the lower section of cast-in-place air passage side wall；
The prefabricated air channel base plate of several unit lengths, both ends are erected at now several described prefabricated air channel base plates in the width direction
It pours on the side wall bracket of air passage, cast-in-place notch is left between prefabricated air channel base plate both ends and cast-in-place air passage side wall；It is described that several are pre-
Air channel base plate processed is spliced successively along its length；
Hold-down bolt built-in pipe, hold-down bolt built-in pipe is arranged in cast-in-place air passage side wall bracket, and the hold-down bolt is pre-buried
Pipe should be located at below cast-in-place notch close to the position of inside；
Hold-down bolt, the hold-down bolt hypomere are inserted into hold-down bolt built-in pipe, and epimere is located in cast-in-place notch, and the upper end is set
Hold-down bolt elbow is put, hold-down bolt inner side of elbow is equipped with hold-down bolt screens bar, and hold-down bolt screens bar and hold-down bolt are curved
Head is into 90 degree of positioning weldings；
Cast-in-place connecting portion, the cast-in-place connecting portion are to be filled between prefabricated air channel base plate both ends and air passage side wall in cast-in-place notch
Pea gravel concreten, the epimere and hold-down bolt screens bar of the hold-down bolt be respectively positioned in cast-in-place connecting portion, and hold-down bolt is curved
Head is located at outside cast-in-place connecting portion.
Further, both sides upper end to the middle part of the prefabricated air channel base plate along its length is equipped with a connection breach, under
End sets hand hole notch, and connector reinforcing bar is reserved at connection breach, and hand hole indentation, there sets built-in fitting, adjacent two pieces of prefabricated air channel base plates
Connection breach cooperatively form a connection pouring area, the hand hole notch of adjacent two pieces of prefabricated air channel base plates cooperatively forms hand hole, hand
The built-in fitting of adjacent two pieces of prefabricated air channel base plates is equipped with matched link bolt hole, the matched link bolt hole in hole
Between be connected with connection bolt.
Further, the root of the reserved connector reinforcing bar at the connection breach is embedded in prefabricated air channel base plate, end
Portion extends into connection breach, and extends to after pre-buried air channel base plate scope and bend obliquely upward, adjacent two pieces of prefabricated wind
The reserved connector reinforcing bar bending part of road bottom plate is interlaced, forms U-shaped structure, and prefabricated air channel base plate connection longitudinal reinforcement is set
In in U-shaped structure.
Further, cast-in-place air passage side wall bracket sets the lower section of cast-in-place air passage side wall, and towards the inside of air passage side wall
Extension, the upper surface of extension form the low inclined-plane in the high inside in outside, and prefabricated air channel base plate rubber spacer is pasted on the inclined-plane
Inside, the both ends bottom of the prefabricated air channel base plate is set and the matched inclined-plane in the inclined-plane.
Further, the hand hole indentation, there sets built-in fitting as pre-embedded steel slab, and connection bolt is equipped in the pre-embedded steel slab
Hole and embedded bar in prefabricated air channel base plate is stretched into, the pre-embedded steel slab of adjacent two pieces of prefabricated air channel base plates passes through prefabricated air passage
Bottom plate connector rubber pad connects, and is connected with connection between the respective bolt holes of the pre-embedded steel slab of adjacent two pieces of prefabricated air channel base plates
Bolt.
Exhausting duct method for prefabricating in tunnel of the present invention is not required to creep form removal and by prefabricated air channel base plate piecemeal（Piecemeal length
Generally no greater than 2m）It is erected on the bracket of cast-in-place air passage side wall, and between cast-in-place side wall bracket and prefabricated air channel base plate, bottom plate
Notch filling pea gravel concreten, the operations such as hold-down bolt set up and implement with prefabricated air channel base plate piecemeal, so can obviously reduce
Working strength and difficulty save human cost, while also comply with " green " construction requirement.
Advantages of the present invention is as described below：
1. exempt in long and narrow air passage and tear template operation open, hence it is evident that reduce operation intensity and difficulty, save human cost；
2. meet " green " construction requirement；
3. it can effectively prevent vehicle traveling from generating vibration and tunnel internal such as top plate and air passage using hold-down bolt, connection bolt
Bottom plate sets the vibrations such as anchor bolt operation that gap is caused between prefabricated air passage plate to expand to leak out and lead for installation fire-proof plate using drilling
It causes to influence exhaust effect；
4. it is easily changed for the air channel base plate being damaged such as in the accidents such as tunnel fire hazard.
Description of the drawings
Fig. 1 is tunnel cross section figure.
Fig. 2 is prefabricated air channel base plate mounting plane figure.
Fig. 3 installs cross-sectional view for air passage processed.
Fig. 4 is cast-in-place air passage sidewall profile figure.
Fig. 5 is air channel base plate and cast-in-place side wall detail drawing of installation（Detail drawing）.
Fig. 6 is hold-down bolt detail drawing.
Fig. 7 is prefabricated air channel base plate longitudinal seam detail drawing（1-1 sectional views）.
Fig. 8 is prefabricated air channel base plate built-in fitting detail drawing（Detail drawing）.
Each unit number represents as follows in figure：
Cast-in-place air passage side wall；
The cast-in-place air passage side wall brackets of 1-1；
2. prefabricated air channel base plate；
The prefabricated air channel base plate side-struts of 2-1, the prefabricated air channel base plate connector notches of 2-2,2-3 reserve connector reinforcing bar, 2-4 bolts peace
Fill hand hole, the prefabricated air channel base plate built-in fittings of 2-5；The filling of 2-6 clay, 2-7 connections bolt, the prefabricated air channel base plate connector rubber of 2-8
The prefabricated air channel base plate connector pea gravel concreten filling of pad, 2-9, the prefabricated air channel base plate connection longitudinal reinforcements of 2-10；
3. air channel top board；
4. clay is filled；
5. prefabricated air channel base plate rubber spacer；
6. hold-down bolt；
6-1 hold-down bolt screens bar, 6-2 hold-down bolt elbows；
7. hold-down bolt built-in pipe；
8. air passage side wall is filled with prefabricated panel connector pea gravel concreten；
9. prefabricated steel；
9-1 embedded part bolts hole, 9-2 built-in fitting anchor bars；
10. air passage.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
A kind of tunnel exhausting duct precast assembly structure as depicted, including cast-in-place air passage side wall 1, it is characterised in that the tunnel
Exhausting duct precast assembly structure further includes
Cast-in-place air passage side wall bracket 1-1, the cast-in-place air passage side wall bracket 1-1 are arranged on the inside of the lower section of cast-in-place air passage side wall 1；
The prefabricated air channel base plate 2 of several unit lengths, several described prefabricated air channel base plates 2 are erected at both ends in the width direction
On cast-in-place air passage side wall bracket 1-1, cast-in-place notch is left between prefabricated 2 both ends of air channel base plate and cast-in-place air passage side wall 1；It is if described
A dry prefabricated air channel base plate 2 is spliced successively along its length；
Hold-down bolt built-in pipe 7, hold-down bolt built-in pipe 7 is arranged in cast-in-place air passage side wall bracket 1-1, and the hold-down bolt
Built-in pipe 7 should be located at below cast-in-place notch close to the position of inside；
Hold-down bolt 6,6 hypomere of hold-down bolt are inserted into hold-down bolt built-in pipe 7, and epimere is located in cast-in-place notch, described
6 upper end of hold-down bolt sets hold-down bolt elbow 6-2, and hold-down bolt screens bar 6-1, pressure are equipped on the inside of hold-down bolt elbow 6-2
Tight bolt screens bar 6-1 and hold-down bolt elbow 6-2 is into 90 degree of positioning weldings；
Cast-in-place connecting portion, the cast-in-place connecting portion are to be filled between prefabricated air channel base plate both ends and air passage side wall in cast-in-place notch
Pea gravel concreten, the epimere and hold-down bolt screens bar of the hold-down bolt be respectively positioned in cast-in-place connecting portion, and hold-down bolt is curved
Head is located at outside cast-in-place connecting portion.
Further, both sides upper end to the middle part of the prefabricated air channel base plate 2 along its length is equipped with a connection breach, under
End sets hand hole notch, and connector reinforcing bar 2-3 is reserved at connection breach, and hand hole indentation, there sets prefabricated air channel base plate built-in fitting 2-5, phase
The connection breach of adjacent two pieces of prefabricated air channel base plates 2 cooperatively form a connection pouring area, the hand hole of adjacent two pieces of prefabricated air channel base plates 2
Notch cooperatively forms hand hole, and adjacent two pieces of prefabricated air channel base plate built-in fitting 2-5 are equipped with matched link bolt hole, institute in hand hole
It states and connection bolt 2-7 is connected between matched link bolt hole.
Further, the root of the reserved connector reinforcing bar 2-3 at the connection breach is embedded in prefabricated air channel base plate,
End extends into connection breach, and extends to after pre-buried 2 scope of air channel base plate and bend obliquely upward, and adjacent two pieces prefabricated
The reserved connector reinforcing bar 2-3 bending parts of air channel base plate 2 are interlaced, form U-shaped structure, the prefabricated longitudinal steel of air channel base plate connection
Muscle is arranged in U-shaped structure.
Further, cast-in-place air passage side wall bracket 1-1 sets the lower section of cast-in-place air passage side wall 1, and towards cast-in-place air passage side
The inside extension of wall 1, the upper surface of extension form the low inclined-plane in the high inside in outside, and prefabricated air channel base plate rubber spacer 5 is pasted
In the inside on the inclined-plane.
Further, the hand hole indentation, there sets prefabricated air channel base plate built-in fitting 2-5, specific implementation according to the present invention
Example, the prefabricated air channel base plate built-in fitting are pre-embedded steel slab 9, and link bolt hole is equipped in the pre-embedded steel slab 9 and is stretched into pre-
Embedded bar in air channel base plate processed, the pre-embedded steel slab of adjacent two pieces of prefabricated air channel base plates pass through prefabricated air channel base plate connector rubber
Pad connection, and it is connected with connection bolt between the respective bolt holes of the pre-embedded steel slab of adjacent two pieces of prefabricated air channel base plates.
A kind of prefabricated installation method of tunnel exhausting duct of the invention, methods ＆＆ steps of implementation are as follows：
A, prefabricated air channel base plate is made, air passage is divided into the prefabricated air channel base plate of several unit lengths along its length；
B, cast-in-place tunnel roof and air passage side wall, the air passage side wall bracket positioned at air passage lower sidewall, before casting and compacting of concrete
Hold-down bolt built-in pipe is installed and is located in air passage side wall bracket position；
C, prefabricated air channel base plate rubber spacer is pasted on the side wall bracket of air passage after concrete reaches intensity；
D, by prefabricated air channel base plate, both ends are erected on the side wall bracket of air passage in the width direction, prefabricated air channel base plate both ends and air passage
Cast-in-place notch is left between side wall；Both sides upper end to the middle part of the prefabricated air channel base plate along its length is equipped with a connection and lacks
Mouthful, lower end sets hand hole notch, and connector reinforcing bar is reserved at connection breach, and hand hole indentation, there sets built-in fitting, adjacent two pieces of prefabricated wind
The connection breach of road bottom plate cooperatively form a connection pouring area, and the hand hole notch of adjacent two pieces of prefabricated air channel base plates cooperatively forms hand
Hole, the built-in fitting of adjacent two pieces of prefabricated air channel base plates is equipped with matched link bolt hole in hand hole, described；
E, hold-down bolt is inserted in hold-down bolt built-in pipe, connection bolt is put into the link bolt hole of pre-embedded steel slab in hand hole
Interior and coordination is progressively tightened；
F, it is built into prefabricated air channel base plate connection longitudinal reinforcement in the connection pouring area；
G, to connecting pouring area between cast-in-place notch between air passage side wall and prefabricated air channel base plate and adjacent two pieces of prefabricated air channel base plates
Pea gravel concreten is inside filled respectively, can mix swelling agent；
H, after after the tunnel air passage of certain length section, installation is complete, to being stitched between cast-in-place air passage side wall bracket and prefabricated air channel base plate
Gap uses clay pointing between gap and adjacent two pieces of prefabricated air channel base plates.
Further, in step E, the hold-down bolt upper end sets hold-down bolt elbow, and hold-down bolt inner side of elbow is set
There is hold-down bolt screens bar, with hold-down bolt elbow into 90 degree of positioning weldings, hold-down bolt hypomere is inserted into hold-down bolt screens bar
In hold-down bolt built-in pipe, epimere is located in cast-in-place notch, and after tightening, hold-down bolt screens bar is located in cast-in-place notch, compresses
Bolt elbow exposes outside cast-in-place notch.Hold-down bolt screens bar forms 90 degree of right angles with hold-down bolt elbow, can be easy to compress spiral shell
Bolt elbow effectively push down prefabricated air channel base plate and meanwhile tightened on the outside of air passage nut due to hold-down bolt screens bar screens yes
Screw rod can not possibly be rotated with tightening nut.
Further, the root of the reserved connector reinforcing bar 2-3 at the connection breach is embedded in prefabricated air channel base plate,
End extends into connection breach, and extends to after pre-buried 2 scope of air channel base plate and bend obliquely upward, and adjacent two pieces prefabricated
The reserved connector reinforcing bar 2-3 bending parts of air channel base plate 2 are interlaced, form U-shaped structure, the prefabricated longitudinal steel of air channel base plate connection
Muscle is arranged in U-shaped structure.
Further, cast-in-place air passage side wall bracket 1-1 sets the lower section of cast-in-place air passage side wall 1, and towards cast-in-place air passage side
The inside extension of wall 1, the upper surface of extension form the low inclined-plane in the high inside in outside, and prefabricated air channel base plate rubber spacer 5 is pasted
In the inside on the inclined-plane.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
To ", " transverse direction ", " top ", " bottom ", " interior ", the orientation of the instructions such as " outer " or position relationship be based on orientation shown in the drawings or position
Relation is put, be for only for ease of the description present invention and simplifies description rather than instruction or implies that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (5)
1. a kind of tunnel exhausting duct precast assembly structure, including cast-in-place air passage side wall, it is characterised in that the tunnel exhausting duct is pre-
Splicing structure processed further includes
Cast-in-place air passage side wall bracket, the cast-in-place air passage side wall bracket are arranged on the inside of the lower section of cast-in-place air passage side wall；
The prefabricated air channel base plate of several unit lengths, both ends are erected at now several described prefabricated air channel base plates in the width direction
It pours on the side wall bracket of air passage, cast-in-place notch is left between prefabricated air channel base plate both ends and cast-in-place air passage side wall；It is described that several are pre-
Air channel base plate processed is spliced successively along its length；
Hold-down bolt built-in pipe, hold-down bolt built-in pipe is arranged in cast-in-place air passage side wall bracket, and the hold-down bolt is pre-buried
Pipe should be located at below cast-in-place notch close to the position of inside；
Hold-down bolt, the hold-down bolt hypomere are inserted into hold-down bolt built-in pipe, and epimere is located in cast-in-place notch, and the upper end is set
Hold-down bolt elbow is put, hold-down bolt inner side of elbow is equipped with hold-down bolt screens bar, and hold-down bolt screens bar and hold-down bolt are curved
Head is into 90 degree of positioning weldings；
Cast-in-place connecting portion, the cast-in-place connecting portion are to be filled between prefabricated air channel base plate both ends and air passage side wall in cast-in-place notch
Pea gravel concreten, the epimere and hold-down bolt screens bar of the hold-down bolt be respectively positioned in cast-in-place connecting portion, and hold-down bolt is curved
Head is located at outside cast-in-place connecting portion.
2. exhausting duct precast assembly structure in tunnel as described in claim 1, it is characterised in that the prefabricated air channel base plate edge is long
Both sides upper end to the middle part for spending direction is equipped with a connection breach, and lower end sets hand hole notch, and connector reinforcing bar is reserved at connection breach,
Hand hole indentation, there sets built-in fitting, and the connection breach of adjacent two pieces of prefabricated air channel base plates cooperatively form a connection pouring area, and adjacent two
The hand hole notch of the prefabricated air channel base plate of block cooperatively forms hand hole, and the built-in fitting of adjacent two pieces of prefabricated air channel base plates is equipped with phase in hand hole
The link bolt hole of cooperation is connected with connection bolt between the matched link bolt hole.
3. exhausting duct precast assembly structure in tunnel as claimed in claim 2, it is characterised in that reserved at the connection breach
The root of connector reinforcing bar is embedded in prefabricated air channel base plate, and end extends into connection breach, and is extended to beyond pre-buried wind
It being bent obliquely upward after road bottom plate scope, the reserved connector reinforcing bar bending part of adjacent two pieces of prefabricated air channel base plates is interlaced,
U-shaped structure is formed, prefabricated air channel base plate connection longitudinal reinforcement is arranged in U-shaped structure.
4. exhausting duct precast assembly structure in tunnel as claimed in claim 2, it is characterised in that the hand hole indentation, there sets pre-buried
Part is pre-embedded steel slab, equipped with link bolt hole and stretches into embedded bar in prefabricated air channel base plate in the pre-embedded steel slab, phase
The pre-embedded steel slab of adjacent two pieces of prefabricated air channel base plates is connected by prefabricated air channel base plate connector rubber pad, and adjacent two pieces of prefabricated air passages
Connection bolt is connected between the respective bolt holes of the pre-embedded steel slab of bottom plate.
5. exhausting duct precast assembly structure in tunnel as described in claim 1, it is characterised in that cast-in-place air passage side wall bracket is set
The lower section of cast-in-place air passage side wall, and extend towards the inside of air passage side wall, the high inside in upper surface formation outside of extension is low
Inclined-plane, prefabricated air channel base plate rubber spacer are pasted in the inside on the inclined-plane, and the both ends bottom of the prefabricated air channel base plate is set
With the matched inclined-plane in the inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434987.8A CN108119177A (en) | 2017-12-26 | 2017-12-26 | A kind of tunnel exhausting duct precast assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711434987.8A CN108119177A (en) | 2017-12-26 | 2017-12-26 | A kind of tunnel exhausting duct precast assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119177A true CN108119177A (en) | 2018-06-05 |
Family
ID=62231845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711434987.8A Pending CN108119177A (en) | 2017-12-26 | 2017-12-26 | A kind of tunnel exhausting duct precast assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798703A (en) * | 2018-07-03 | 2018-11-13 | 上海市城市建设设计研究总院（集团）有限公司 | Implement the construction method and its constructing structure in upper heat extraction air duct in compound tube coupling station |
| CN110042861A (en) * | 2019-04-29 | 2019-07-23 | 中铁第四勘察设计院集团有限公司 | A kind of subway station assembled rail road and the connecting node with prefabricated middle plate against the wind |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205990774U (en) * | 2016-08-31 | 2017-03-01 | 山东电力建设第一工程公司 | A kind of fixing device of cast-in-place concrete side wall embedded part |
| CN106836286A (en) * | 2017-04-18 | 2017-06-13 | 郑州市市政工程总公司 | Underground engineering assembly concrete air channel and its construction method |
-
2017
- 2017-12-26 CN CN201711434987.8A patent/CN108119177A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205990774U (en) * | 2016-08-31 | 2017-03-01 | 山东电力建设第一工程公司 | A kind of fixing device of cast-in-place concrete side wall embedded part |
| CN106836286A (en) * | 2017-04-18 | 2017-06-13 | 郑州市市政工程总公司 | Underground engineering assembly concrete air channel and its construction method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798703A (en) * | 2018-07-03 | 2018-11-13 | 上海市城市建设设计研究总院（集团）有限公司 | Implement the construction method and its constructing structure in upper heat extraction air duct in compound tube coupling station |
| CN108798703B (en) * | 2018-07-03 | 2023-10-03 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for implementing upper heat extraction air duct in composite pipe joint station and construction structure thereof |
| CN110042861A (en) * | 2019-04-29 | 2019-07-23 | 中铁第四勘察设计院集团有限公司 | A kind of subway station assembled rail road and the connecting node with prefabricated middle plate against the wind |
| CN110042861B (en) * | 2019-04-29 | 2024-04-05 | 中铁第四勘察设计院集团有限公司 | Assembled rail top air duct of subway station and connecting node of assembled rail top air duct and prefabricated middle plate |
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