CN107938703A - Composite node structure of steel pipe gallery - Google Patents
Composite node structure of steel pipe gallery Download PDFInfo
- Publication number
- CN107938703A CN107938703A CN201711324358.XA CN201711324358A CN107938703A CN 107938703 A CN107938703 A CN 107938703A CN 201711324358 A CN201711324358 A CN 201711324358A CN 107938703 A CN107938703 A CN 107938703A
- Authority
- CN
- China
- Prior art keywords
- pipe
- people
- piping lane
- steel piping
- commissioning
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 235000021050 feed intake Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- 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
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a composite node structure of a steel pipe gallery, which is arranged between the ground and the steel pipe gallery and comprises a manhole pipe, a feeding pipe and a reinforcing structure, wherein a hole is formed in the ground, the upper end of the manhole pipe and the upper end of the feeding pipe are communicated with the hole, the lower end of the manhole pipe and the lower end of the feeding pipe respectively penetrate through the steel pipe gallery and are communicated with the inside of the steel pipe gallery, an included angle is formed between the manhole pipe and the feeding pipe, and the reinforcing structure is arranged among the manhole pipe, the feeding pipe and the steel pipe gallery. According to the invention, the reinforcing structures are arranged among the manduct, the feeding pipe and the steel pipe gallery, so that the influence on the structural strength of the steel pipe gallery in the node construction process can be effectively reduced, and meanwhile, the upper ends of the manduct and the feeding pipe are communicated with the same opening on the ground, so that the number of openings on the ground can be effectively reduced, and therefore, ground obstacles are reduced.
Description
Technical field
The present invention relates to pipe gallery technical field, refers in particular to a kind of composite node structure of steel piping lane.
Background technology
Node is local structure relative complex in piping lane, and such as manhole, feed intake hoisting port.Inclination feed intake hoisting port be use
The passage hung out is lifted up into piping lane gut line and equipment.Manhole is to pass in and out leading to inside piping lane for personnel in piping lane repair and maintenance
Road.
In the construction of steel pipe gallery, construction is unavoidably needed to feed intake the nodes such as hoisting port, manhole, but often build
One node, is required for carrying out steel Pipe rack in itself and on ground perforate, and between steel structure and ground into
Row is built, and is thus reduced steel Pipe rack self-strength and is added earth bulging, is proposed to designing with construction
The requirement of higher.
In view of the foregoing, the researcher of the technical field makes great efforts to seek a kind of structure type, is building steel pipe
During corridor node, the influence to steel Pipe rack intensity can be reduced and reduce earth bulging.
The content of the invention
The object of the present invention is to provide a kind of composite node structure of steel piping lane, can have when building steel piping lane node
Effect reduces the influence to the structural strength of steel piping lane, and reduces earth bulging.
To reach above-mentioned purpose, the present invention provides a kind of composite node structure of steel piping lane, wherein, the steel pipe
The composite node structure of corridor is arranged between ground and steel piping lane, and the composite node structure of the steel piping lane includes people's pipe, throws
Expects pipe and reinforcement structure, offer perforate on the ground, the upper end of people's pipe and the upper end of the commissioning pipe with it is described
Perforate connects, the lower end of people's pipe and the lower end of the commissioning pipe extend through the steel piping lane and with the steel piping lane
Inside connection, angle, and people pipe, the commissioning pipe and the steel pipe are formed between people pipe and the commissioning pipe
Reinforcement structure is equipped between corridor.
The composite node structure of steel piping lane as described above, wherein, people's pipe is set perpendicular to ground, people's pipe
Internal diameter it is equal with the aperture of the perforate.
The composite node structure of steel piping lane as described above, wherein, the upper end of the commissioning pipe is through people's pipe
Side wall is connected by the upper end of people's pipe with the perforate.
The composite node structure of steel piping lane as described above, wherein, central axis and the commissioning pipe of people's pipe
The intersection point of central axis be located in the plane where the ground or higher than the ground.
The composite node structure of steel piping lane as described above, wherein, people's pipe is internally provided with ladder, the ladder
The inner bottom surface for axially extending to the steel piping lane of people's pipe described in the upper end edge of people's pipe.
The composite node structure of steel piping lane as described above, wherein, the reinforcement structure is arranged on the steel piping lane, institute
State between people's pipe and the commissioning pipe in the space that is enclosed, the reinforcement structure appearance with the steel piping lane respectively
The outer surface in face, the outer surface of people's pipe and the commissioning pipe is fixedly connected.
The composite node structure of steel piping lane as described above, wherein, the reinforcement structure is reinforcing plate, strengthen expanded metals and
One or more combinations in reinforcing rib.
The composite node structure of steel piping lane as described above, wherein, central axis and the commissioning pipe of people's pipe
Central axis between angular range be：
90 ° of arccot μ≤α ＜,
Wherein, μ is the friction factor for waiting to put between the pipeline to be thrown in the commissioning pipe and the inside pipe wall that feeds intake, α
For the angle between the central axis of the commissioning pipe and the central axis of people's pipe.
The composite node structure of steel piping lane as described above, wherein, the lower end of people's pipe and the steel piping lane
Junction forms the first perforation, the second perforation of junction formation of the commissioning pipe and the steel piping lane, first perforation
The scope at center and the distance between biperforate center be：
0≤L≤(h/L),
Wherein, h is the distance between described ground to the outer surface of cupular part of the steel piping lane, and L is the described first perforation
Center and the distance between biperforate center.
The composite node structure of steel piping lane as described above, wherein, the inside diameter ranges of people's pipe are：
φPeople manages>=1000mm,
Wherein, φPeople managesFor the internal diameter of people's pipe；
The inside diameter ranges of the commissioning pipe are：
φCommissioning pipe>=wait to put into the outside diameter+200mm of pipeline to be thrown in the commissioning pipe,
Wherein, φCommissioning pipeFor the internal diameter of the commissioning pipe.
Compared with prior art, advantages of the present invention is as follows：
The present invention sets reinforcement structure by being managed in people, between commissioning pipe and steel piping lane, can effectively reduce node and build
The influence caused by steel Pipe rack intensity during if, meanwhile, the present invention is by by the upper of the upper end of people's pipe and commissioning pipe
End is arranged to connect with the same perforate on ground, face perforate number can be effectively reduced, so as to reduce earth bulging.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structure diagram of the composite node structure of steel piping lane provided by the invention.
Drawing reference numeral explanation：
1st, steel piping lane；
2nd, ground；
3rd, people manages；
4th, commissioning pipe；
5th, reinforcement structure；
6th, ladder；
7th, pipeline to be thrown；
8th, waterproof boss
Embodiment
In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the brief description of the drawings present invention
Embodiment.
As shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, steel piping lane it is compound
Node structure is arranged between ground 2 and steel piping lane 1, and when being laid with steel piping lane 1, the axis of steel piping lane 1 and ground 2 are flat
OK, the composite node structure of steel piping lane includes people's pipe 3, commissioning pipe 4 and reinforcement structure 5, and people's pipe 3 is to supply staff's steel inlet-outlet
Tubulation corridor 1 and the pipeline set, commissioning pipe 4 are for the pipeline that pipeline 7 to be thrown and setting are launched inside steel piping lane 1, ground
Perforate is offered on face 2, the upper end of people's pipe 3 is connected with the upper end of commissioning pipe 4 with perforate, staff pass in and out people pipe 3 and
Pipeline 7 to be thrown is launched into steel piping lane 1 to be carried out by this same perforate being opened on ground 2, with existing skill
Art is compared to that can be effectively reduced 2 the number of openings of face, so as to reduce 2 obstacle of ground；The lower end of people's pipe 3 and the lower end of commissioning pipe 4 point
It steel piping lane 1 and Guan Chuan not be connected with the inside of steel piping lane 1, form angle between people's pipe 3 and commissioning pipe 4, and people's pipe 3, thrown
Reinforcement structure 5 is equipped between expects pipe 4 and steel piping lane 1, a triangle is formed between people's pipe 3, commissioning pipe 4 and steel piping lane 1
The void region of shape, by setting reinforcement structure 5 to improve the structural strength of steel piping lane 1 in the void region, to make up
Opened up on steel piping lane 1 connected with people's pipe 3 and commissioning pipe 4 intercommunicating pore (hereinafter first perforation with second perforation) and
Caused by structural strength decline, so can effectively reduce in node building course to the knot of steel piping lane 1 compared with prior art
Influence caused by structure intensity.
Further, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, people's pipe 3
Set perpendicular to ground 2, the length of people's pipe 3 can be reduced from minimum degree, reduce the path of staff's steel inlet-outlet tubulation corridor 1
Length, quickly come in and go out steel piping lane 1 easy to staff, and the internal diameter of people's pipe 3 is equal with the aperture of perforate, is straight when setting
Connect and the upper surface of people's pipe 3 is arranged to concordant state with ground 2, it is understood that formd for the upper end of people's pipe 3 through ground 2
Perforate, is fallen in steel piping lane 1 and to the ring in steel piping lane 1 with preventing the road surface around perforate from caving in along people's pipe 3
Border pollutes, and the safety for avoiding being pointed to the staff inside steel piping lane 1 threatens.
Further, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, commissioning pipe
4 upper end is connected through the side wall of people's pipe 3 by the upper end of people's pipe 3 with perforate.I.e. commissioning pipe 4 is really the upper end with people's pipe 3
Connection, and connected by the upper end of people's pipe 3 with perforate, commissioning pipe 4 extends only into connected with people's pipe 3 upwards, without stretching
Enter to the inside of people's pipe 3, cause to stop to avoid disengaging of the commissioning pipe 4 to staff in people's pipe 3.
Set since people's pipe 3 is perpendicular to steel piping lane 1, and there is angle between people's pipe 3 and commissioning pipe 4, then commissioning pipe 4
There is the angle less than 90 ° between steel piping lane 1, be arranged so that during pipeline 7 to be thrown is launched, make to wait to throw pipe
Line 7 is to be slid along inclined-plane to steel piping lane 1, is reduced when throwing pipeline 7 and entering steel piping lane 1 between steel piping lane 1
Interaction force, reduces the probability impaired with pipeline 7 to be thrown of steel piping lane 1, at the same can effectively prevent pipeline 7 to be thrown it is long and by
It can not occur to the stop of commissioning pipe 4 completely into the situation of steel piping lane 1.
Further, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, people's pipe 3
Central axis and commissioning pipe 4 central axis intersection point be located at ground 2 where plane it is interior or be above the ground level 2.It is arranged such
When, in perpendicular, along the axial direction of commissioning pipe 4, the extended line of drafting commissioning pipe 4, the extension of commissioning pipe 4 above ground 2
Intersection will not be produced between the tube wall of line and people's pipe 3, therefore is carrying out when the dispensing of pipeline 7 is thrown, waiting to throw pipe by commissioning pipe 4
It will not be in contact when line 7 is not completely into commissioning pipe 4 with people's pipe 3, effectively prevent people's pipe 3 and cause to stop to feeding intake, to protect
Pipeline 7 to be thrown is demonstrate,proved normally to launch.
Further, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, people's pipe 3
Be internally provided with ladder 6, ladder 6 by people's pipe 3 upper end edge people pipe 3 the inner bottom surface for axially extending to steel piping lane 1.It is logical
Staff's steel inlet-outlet tubulation corridor 1 can be facilitated by crossing setting ladder 6, or electronic lifting can also be set in the inside of people's pipe 3
Mechanism realizes that staff lifts along people's pipe 3, and the present invention is not limited thereto.
Further, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, strengthen knot
Structure 5 is arranged in the space that is enclosed between steel piping lane 1, people's pipe 3 and commissioning pipe 4, reinforcement structure 5 respectively with steel piping lane 1
Outer surface, the outer surface of people's pipe 3 and the outer surface of commissioning pipe 4 be fixedly connected.People's pipe 3 and commissioning pipe 4 can so be carried out
Support and holding, the structure of enhancing steel piping lane 1, reduces node and builds the influence caused by the structural strength of steel piping lane 1.
Further, the present invention provides a kind of composite node structure of steel piping lane, wherein, reinforcement structure 5 is to add
One or more combinations in strong plate, reinforcement expanded metals and reinforcing rib.Wherein, preferably, reinforcement structure 5 selects reinforcing plate,
And the reinforcing rib of setting cross arrangement transversely and is longitudinally integrally formed in the both side surface of reinforcing plate.But need what is illustrated
It is that reinforcement structure 5 can also be other structures component, as long as can play the role of improving the structural strength of steel piping lane 1,
The present invention is not limited thereto.
Preferably, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, people's pipe 3
Central axis and commissioning pipe 4 central axis between angular range be：
90 ° of arccot μ≤α ＜,
Wherein, μ is the friction factor between 4 inner wall of pipeline to be thrown 7 and commissioning pipe in commissioning pipe 4 to be put into, and α is to feed intake
Angle between the central axis of pipe 4 and the central axis of people's pipe 3.And friction factor μ is then by pipeline 7 to be thrown and commissioning pipe 4
Material and pipeline to be thrown 7 quality determine.
Preferably, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, people's pipe 3
The junction of lower end and steel piping lane 1 form the first perforation, the junction of commissioning pipe 4 and steel piping lane 1 forms the second perforation,
The scope at center and the distance between biperforate center of first perforation is：
0≤L≤(h/L),
Wherein, h the distance between is ground 2 to the outer surface of cupular part of steel piping lane 1, and L is the center and the of the first perforation
The distance between biperforate center.
The angle between the central axis of the central axis to people's pipe 3 and commissioning pipe 4 and first wear in the manner described above
The distance between the center in hole and biperforate center are defined, and the structural strength of steel piping lane 1 can be effectively ensured, and are reduced
Node builds the influence caused by the structural strength of steel piping lane 1.
Preferably, the present invention provides a kind of composite node structure of steel piping lane, wherein, the inside diameter ranges of people's pipe 3
For：
φPeople manages>=1000mm,
Wherein, φPeople managesFor the internal diameter of people's pipe 3；
The inside diameter ranges of commissioning pipe 4 are：
φCommissioning pipeOutside diameter+the 200mm of pipeline to be thrown 7 in >=commissioning pipe 4 to be put into,
Wherein, φCommissioning pipeFor the internal diameter of commissioning pipe 4.
The internal diameter of people's pipe 3 and commissioning pipe 4 is defined in the manner described above, can be effectively ensured staff can smoothly into
Go out people's pipe 3, and pipeline to be thrown 7 can pass through commissioning pipe 4 and be launched.
Preferably, as shown in Figure 1, the present invention provides a kind of composite node structure of steel piping lane, wherein, ground 2
The upward projection of periphery of upper around opening by annular waterproof boss 8, waterproof boss 8 be used for prevent rainwater pour in down a chimney into people's pipe 3,
In commissioning pipe 4 and steel piping lane 1.
Compared with prior art, advantages of the present invention is as follows：
The present invention sets reinforcement structure by being managed in people, between commissioning pipe and steel piping lane, can effectively reduce node and build
The influence caused by steel Pipe rack intensity during if, meanwhile, the present invention is by by the upper of the upper end of people's pipe and commissioning pipe
End is arranged to connect with the same perforate on ground, face perforate number can be effectively reduced, so as to reduce earth bulging.
The foregoing is merely the schematical embodiment of the present invention, the scope of the present invention is not limited to.It is any
Those of ordinary skill in the art, made equivalent variations are with repairing on the premise of the design of the present invention and principle is not departed from
Change, the scope of protection of the invention should all be belonged to.
Claims (10)
1. a kind of composite node structure of steel piping lane, it is characterised in that the composite node structure of the steel piping lane is arranged on ground
Between face and steel piping lane, the composite node structure of the steel piping lane includes people's pipe, commissioning pipe and reinforcement structure, the ground
On offer perforate, the upper end of people's pipe is connected with the upper end of the commissioning pipe with the perforate, the lower end of people's pipe
The steel piping lane is extended through with the lower end of the commissioning pipe and is connected with the inside of the steel piping lane, the people Guan Yusuo
State and angle is formed between commissioning pipe, and reinforcement structure is equipped between people pipe, the commissioning pipe and the steel piping lane.
2. the composite node structure of steel piping lane according to claim 1, it is characterised in that people's pipe is perpendicular to ground
Set, the internal diameter of people's pipe is equal with the aperture of the perforate.
3. the composite node structure of steel piping lane according to claim 1 or 2, it is characterised in that the commissioning pipe it is upper
End is connected through the side wall of people's pipe by the upper end of people's pipe with the perforate.
4. the composite node structure of steel piping lane according to claim 1 or 2, it is characterised in that the center of people's pipe
Plane where the intersection point of the central axis of axis and the commissioning pipe be located at the ground is interior or higher than the ground.
5. the composite node structure of steel piping lane according to claim 1 or 2, it is characterised in that the inside of people's pipe
Equipped with ladder, the inner bottom surface for axially extending to the steel piping lane of ladder people's pipe as described in the upper end edge of people's pipe
Place.
6. the composite node structure of steel piping lane according to claim 1, it is characterised in that the reinforcement structure is arranged on institute
State between steel piping lane, people pipe and the commissioning pipe in the space that is enclosed, the reinforcement structure respectively with the steel
The outer surface of the outer surface of tubulation corridor, the outer surface of people's pipe and the commissioning pipe is fixedly connected.
7. the composite node structure of the steel piping lane according to claim 1,2 or 6, it is characterised in that the reinforcement structure
For one or more combinations in reinforcing plate, reinforcement expanded metals and reinforcing rib.
8. the composite node structure of steel piping lane according to claim 1, it is characterised in that the central axis of people's pipe
Angular range between the central axis of the commissioning pipe is：
90 ° of arccot μ≤α ＜,
Wherein, μ is the friction factor for waiting to put between the pipeline to be thrown in the commissioning pipe and the inside pipe wall that feeds intake, and α is institute
State the angle between the central axis of commissioning pipe and the central axis of people's pipe.
9. the composite node structure of steel piping lane according to claim 1, it is characterised in that the lower end of people's pipe and institute
The junction for stating steel piping lane forms the first perforation, and the junction formation second of the commissioning pipe and the steel piping lane is perforated,
The scope at center and the distance between biperforate center of first perforation is：
0≤L≤(h/L),
Wherein, h is the distance between described ground to the outer surface of cupular part of the steel piping lane, and L is in the described first perforation
The distance between the heart and biperforate center.
10. the composite node structure of steel piping lane according to claim 1, it is characterised in that the internal diameter model of people's pipe
Enclose for：
φPeople manages>=1000mm,
Wherein, φPeople managesFor the internal diameter of people's pipe；
The inside diameter ranges of the commissioning pipe are：
φCommissioning pipe>=wait to put into the outside diameter+200mm of pipeline to be thrown in the commissioning pipe,
Wherein, φCommissioning pipeFor the internal diameter of the commissioning pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324358.XA CN107938703B (en) | 2017-12-13 | 2017-12-13 | Composite node structure of steel pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711324358.XA CN107938703B (en) | 2017-12-13 | 2017-12-13 | Composite node structure of steel pipe gallery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107938703A true CN107938703A (en) | 2018-04-20 |
| CN107938703B CN107938703B (en) | 2023-01-31 |
Family
ID=61943908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711324358.XA Active CN107938703B (en) | 2017-12-13 | 2017-12-13 | Composite node structure of steel pipe gallery |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2014227A (en) * | 1978-02-10 | 1979-08-22 | Shaw C B | Improvements in Building Construction |
| CN102660961A (en) * | 2012-06-06 | 2012-09-12 | 上海市城市建设设计研究总院 | Integral underground comprehensive pipe rack |
| CN205171548U (en) * | 2015-10-13 | 2016-04-20 | 天津业和科技有限公司 | Novel plastics piping lane |
| CN205296224U (en) * | 2016-01-12 | 2016-06-08 | 上海市城市建设设计研究总院 | Air intake, hoist and mount mouthful and mouthful combined layout's utility tunnel node structure of fleing |
| CN205604295U (en) * | 2016-04-07 | 2016-09-28 | 上海市政工程设计研究总院（集团）有限公司 | Utility tunnel dog -house structure |
| CN206110172U (en) * | 2016-08-29 | 2017-04-19 | 中国市政工程华北设计研究总院有限公司 | Compact municipal administration utility tunnel feed opening |
| CN107059919A (en) * | 2017-03-09 | 2017-08-18 | 中冶东方工程技术有限公司 | A kind of underground pipe gallery |
-
2017
- 2017-12-13 CN CN201711324358.XA patent/CN107938703B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2014227A (en) * | 1978-02-10 | 1979-08-22 | Shaw C B | Improvements in Building Construction |
| CN102660961A (en) * | 2012-06-06 | 2012-09-12 | 上海市城市建设设计研究总院 | Integral underground comprehensive pipe rack |
| CN205171548U (en) * | 2015-10-13 | 2016-04-20 | 天津业和科技有限公司 | Novel plastics piping lane |
| CN205296224U (en) * | 2016-01-12 | 2016-06-08 | 上海市城市建设设计研究总院 | Air intake, hoist and mount mouthful and mouthful combined layout's utility tunnel node structure of fleing |
| CN205604295U (en) * | 2016-04-07 | 2016-09-28 | 上海市政工程设计研究总院（集团）有限公司 | Utility tunnel dog -house structure |
| CN206110172U (en) * | 2016-08-29 | 2017-04-19 | 中国市政工程华北设计研究总院有限公司 | Compact municipal administration utility tunnel feed opening |
| CN107059919A (en) * | 2017-03-09 | 2017-08-18 | 中冶东方工程技术有限公司 | A kind of underground pipe gallery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107938703B (en) | 2023-01-31 |
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