CN107514012A - A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template - Google Patents
A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template Download PDFInfo
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- CN107514012A CN107514012A CN201710907889.5A CN201710907889A CN107514012A CN 107514012 A CN107514012 A CN 107514012A CN 201710907889 A CN201710907889 A CN 201710907889A CN 107514012 A CN107514012 A CN 107514012A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 161
- 239000010959 steel Substances 0.000 title claims abstract description 161
- 239000004567 concrete Substances 0.000 title claims abstract description 109
- 239000002689 soil Substances 0.000 claims abstract description 9
- 239000003351 stiffener Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a kind of partial precast assembly steel concrete for exempting from template to combine underground pipe gallery, piping lane is positioned on bed course, piping lane includes internal layer, middle level and outer layer, outer layer is concrete layer, intermediate layer is cast-in-place concrete layer and pre-manufactured steel flaggy, internal layer is the steel skeleton that ring girder steel and longitudinal girder steel form, concrete layer connects cast-in-place concrete layer, cast-in-place concrete layer connects pre-manufactured steel flaggy, the pre-manufactured steel flaggy connects steel skeleton, the external load that three layers of shared is transmitted to by the soil body；During construction, concrete layer, pre-manufactured steel flaggy, ring girder steel and longitudinal girder steel are spliced at factory process, scene, and pour cast-in-place concrete layer, without template, realize that part precast assembly is built.The present invention has the advantages that from heavy and light, to exempt from template, short time limit, industrialization degree high.
Description
Technical field
The present invention relates to urban operating mechanism construction technique field, and in particular to a kind of partial precast assembly steel reinforced concrete for exempting from template coagulates
Underground pipe gallery closes in local soil type.
Background technology
City Buried Pipeline refers to water supply, draining, combustion gas, heating power, electric power, communication, radio and television, industry in city scope
It is the important infrastructure and " lifeline " for ensureing city operations Deng pipeline and its affiliated facility.In recent years, as city is quick
Development, underground pipeline construction scale deficiency, the problems such as managerial skills are not high, highlight, and heavy rain waterlogging, pipe occur in succession for some cities
The events such as line leakage is exploded, road surface collapses, have had a strong impact on life and property safety of people and city operation order.Underground is comprehensive
Piping lane, also known as common trench are closed, refers to be used to concentrate laying electric power, communication, radio and television, feedwater, draining, heat in Urban Underground
The public tunnel of the municipal pipelines such as power, combustion gas.His construction is promoted, plans as a whole all kinds of municipal pipeline planning, build and manage, can
Solve repeatedly the problems such as intensive excavated pavement, aerial gauze, pipeline Frequent Accidents, be advantageous to ensure urban safety, improve city
Function, beautifying city landscape, promote the intensive efficient and Transformation Development in city.
However, cast-in-place underground pipe gallery is the construction period is long, ground failure is serious, noise and dust pollution are larger,
It greatly affected urban environment and traffic.Prefabrication and assembly construction technology can be realized " element factory processing, structure on-site consolidation "
Form of construction work, construction quality and efficiency are drastically increased, and realize that green, energy-conservation are built.Therefore, in underground pipe gallery
Prefabrication and assembly construction technology is introduced in construction has certain practical significance.Based on this, people successively propose arch prestressing force knot
Structure pin-connected panel underground pipe gallery (U of CN 204491661), piping lane prefabricated component and prefabricated pipe gallery (A of CN 105256838),
A kind of assembled underground pipe gallery (U of CN 204875853), city integrated piping lane of a kind of steel construction (U of CN 204898721) etc. fill
Underground pipe gallery form with formula.However, the prefabricated piping lane component of concrete is heavy, assembling inconvenience, steel construction piping lane is prevented
Water and stress are relatively poor.Therefore, using concrete and steel construction each the advantages of, design a kind of steel concrete mixed structure body
The underground pipe gallery of system, new thinking can be provided for the development of prefabricated piping lane.Therefore, inventors herein propose a kind of complete prefabricated
Assembled steel concrete combination underground pipe gallery (ZL 2,016 2 1205824.3) and a kind of partial precast assembly steel concrete group
Close underground pipe gallery (ZL 2,016 2 1205827.7).
However, water-proofing treatment needs of the full precast assembly steel concrete combination underground pipe gallery in section stitching portion are higher
Cost, partial precast assembly steel concrete combination underground pipe gallery then need to use a certain amount of template in work progress, this
The application for all combining underground pipe gallery to prefabricated assembled steel concrete a bit brings adverse effect.Therefore, with reference to complete prefabricated
Assembly is exempted from the characteristics of template and excellent partial precast assembled water-proof performance, designs a kind of partial precast assembly steel concrete for exempting from template
Combination underground pipe gallery will provide new thinking for the popularization of prefabricated piping lane and development.
The content of the invention
Technical problems to be solved：It is an object of the invention to provide a kind of partial precast assembly steel concrete group for exempting from template
Underground pipe gallery is closed, on the premise of ensureing piping lane basic function and partial precast, steel is comprehensively utilized and concrete material is each
From the advantages of, on the premise of prefabrication and assembly construction is ensured, it is difficult both to have solved complete prefabricated piping lane water-proofing treatment, overcomes partial precast piping lane again
The problem of template consumption is big.
Technical scheme：A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template, the piping lane are put
It is placed on bed course, the piping lane includes internal layer, middle level and outer layer, and the outer layer is concrete layer, and the intermediate layer is existing
Pouring concrete layer and pre-manufactured steel flaggy, the steel skeleton that the internal layer forms for ring girder steel and longitudinal girder steel, the concrete
Soil layer connects cast-in-place concrete layer, and the cast-in-place concrete layer connects pre-manufactured steel flaggy, and the pre-manufactured steel flaggy connects steel skeleton,
The external load that three layers of shared is transmitted to by the soil body.
Further, the concrete layer is made up of bottom prefabricated board and side prefabricated board two parts, is tabular
The component of form, cast-in-place concrete layer surface is directly mounted at, wherein containing vertical, horizontal reinforcing bar, and pre-buried shear reinforcement, suitably
Take certain waterproof measure.
Further, it is connected on the inside of the pre-manufactured steel flaggy with steel skeleton, outside connection cast-in-place concrete layer, outer surface
Sleeve and peg are welded with, the pre-manufactured steel flaggy is using the steel plate of the forms such as plain plate or profiled sheet, polylith prefabricated steel edge
Connected between ring and longitudinal direction by peg, welding manner.
Further, the shear reinforcement is connected with sleeve by the way of joint bar.
Further, the steel skeleton is mainly made up of ring girder steel and longitudinal girder steel, and the ring girder steel is by horizontal loops
Beam and vertical ring beam composition, are connected by screw bolts between the ring girder steel and longitudinal girder steel, and connected mode is rigid connection, semi-rigid joint
Or be hinged form, the girder steel section uses welding I-section or H profile steel cross section structure form, when tube lane dimension is larger,
The structure type of Steel Truss Beam is then used, to improve the rigidity of girder steel and bearing capacity, and saves material.
Further, the horizontal ring beam is connected with vertical ring beam by splicing node, and the splicing node is by high-strength spiral shell
Bolt, end plate, stiffener and local ribbed stiffener composition, the horizontal ring beam are connected to by high-strength bolt and end plate with vertical ring beam
Together, the stiffener is located between horizontal ring beam and vertical ring beam, and stiffener, horizontal ring beam and vertical ring beam form one directly
The structure of angle triangle, improves the anti-rotation kinetic force of node, while improves piping lane corner stress, and local ribbed stiffener is fixed on perpendicular
To on ring beam, and positioned at the junction of vertical ring beam and horizontal ring beam.
Further, the piping lane section is the rectangle or circle in single storehouse or more storehouses.
Further, the pre-manufactured steel flaggy and concrete layer in work progress in cast-in-place concrete layer,
Exterior sheathing, in work progress, increase skewed horizontal load, it is prefabricated to reduce cast-in-place piping lane and normal part on the outside of concrete layer
Requirement of the piping lane to concrete blinding.
Major experimental principle is：In the piping lane of the present invention, internal steel skeleton, intermediate prefabricated steel plate and cast-in-place concrete
Layer, the external load that is transmitted to by the soil body of outside concrete layer shared, steel skeleton provide larger firm for piping lane
Degree, the collective effect of girder steel, steel plate and concrete provide higher bearing capacity for piping lane；As a result of ring girder steel and indulge
The steel skeleton formed to girder steel, integrated carrying ability greatly improve, and concrete amount reduces, and piping lane overall weight reduces；It is prefabricated
Steel plate and concrete layer serve the effect of medial and lateral template while shared load, a large amount of so as to avoid
The use of template, it is only necessary to be supported on the outside of lateral prefabricated board；Shear reinforcement causes concrete layer, cast-in-place coagulation
Soil layer and steel plate layer have preferable globality, ensure that their cooperation；Intermediate layer is improved using cast-in-place concrete layer
The water resistance of prefabricated underground pipe gallery, the steel skeleton and steel plate of internal layer are also beneficial to the installation of piping lane internal pipeline support.
Beneficial effect：The present invention it is a kind of exempt from template partial precast assembly steel concrete combination underground pipe gallery have with
Lower advantage：
（1）The collective effect of steel skeleton, steel plate and concrete is taken full advantage of, is ensureing rigidity, bearing capacity and the waterproof of piping lane
On the premise of performance, piping lane gross weight and wall thickness are reduced；
（2）Concrete layer connects with pre-manufactured steel flaggy by way of shear reinforcement and sleeve use joint bar, connection limit
Make the Relative sliding between each layer, there is provided horizontal shear resistance, by concrete layer, pre-manufactured steel flaggy and cast-in-place coagulation
Soil layer is linked as entirety, cooperation；
（3）The filled board construction that concrete layer, cast-in-place concrete layer and pre-manufactured steel flaggy are formed, utilizes cast-in-place concrete
The self waterproofing ability of layer, then it is aided with certain waterproof measure, compared to complete prefabricated steel concrete pipe gallery, the waterproof energy of piping lane
Power is greatly improved；Part concrete layer employs the mode of prefabricated components, comprehensive compared to partial precast steel concrete
Piping lane is closed, improves the pouring quality of this part of concrete, internal steel plate layer and steel skeleton are easy to the peace of internal pipeline support
Dress；
（4）In work progress, pre-manufactured steel flaggy and inside and outside template of the concrete layer as cast-in-place concrete layer, steel skeleton
As the supporting construction of pre-manufactured steel flaggy, according to analysis demand, skewed horizontal load can be increased on the outside of concrete layer, compared to
General partial precast steel concrete pipe gallery, The present invention reduces the requirement to concrete blinding, is a kind of ground for exempting from template
Lower pipe gallery；
（5）Bottom prefabricated board and side prefabricated board used in concrete layer are the component of plate-like form, pre- compared to complete
The back-shaped section entirety section of pipe gallery processed, prefabricated components of the present invention are small and flexible, convenient to make, transport and install；
（6）Because steel skeleton, steel plate, concrete layer can be prefabricated in the factory, on-site consolidation, partial precast assembly is realized
Work progress, while relative to general partial precast assembly steel concrete underground pipe gallery, reduce applying for form work engineering
Between man-hour and expense, shorten the construction period and reduce construction cost, reduce influence of the site operation to environment.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the 1-1 cross-sectional views of the present invention；
Fig. 3 is the upper corner joint structure schematic detail view of the present invention；
Fig. 4 is the lower corner joint structure schematic detail view of the present invention；
In figure marked as：1st, concrete layer, 2, cast-in-place concrete layer, 3, pre-manufactured steel flaggy, 4, ring girder steel, 5, longitudinal steel
Beam, 6, bed course, 7, splicing node, 9, peg, 11, bottom prefabricated board, 12, side prefabricated board, 13, prefabricated piece, 41 vertical rings
Beam, 42, horizontal ring beam, 71, high-strength bolt, 72, end plate, 73, stiffener, 74, local ribbed stiffener, 81, sleeve, 82, shearing resistance steel
Muscle.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Referring to Fig. 1-4, a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template, the piping lane is put
It is placed on bed course 6, its section is the rectangle in single storehouse or more storehouses, and the piping lane includes internal layer, middle level and outer layer, and the outer layer is pre-
Concrete layer 1 processed, the intermediate layer are cast-in-place concrete layer 2 and pre-manufactured steel flaggy 3, and the internal layer is ring girder steel 4 and longitudinal direction
The steel skeleton that girder steel 5 forms, the concrete layer 1 connect cast-in-place concrete layer 2, and the cast-in-place concrete layer 2 connects pre-
Steel plate layer 3 processed, the pre-manufactured steel flaggy 3 connect steel skeleton, the external load that three layers of shared is transmitted to by the soil body.
The concrete layer 1 is made up of bottom prefabricated board 11 and the two parts of side prefabricated board 12, is plate-like form
Component, the surface of cast-in-place concrete layer 2 is directly mounted at, wherein containing vertical, horizontal reinforcing bar, and pre-buried shear reinforcement 82；Bottom
Prefabricated board 11 and side prefabricated board 12 form in factory process, and bottom prefabricated board 11 and side prefabricated board 12 leave in processing
Prefabricated piece 13, bottom prefabricated board, then seating side prefabricated board 12, side prefabricated board 12 and bottom prefabricated board are first laid during construction
Connected between 11 by prefabricated piece 13, the longitudinally connected technique connection that can both use joint bar grouting of prefabricated board, can also use post-tensioning
The mode of presstressed reinforcing steel, hole is retained in prefabricated board, staggeredly prestressed reinforcement of tensioning, ensures the globality of prefabricated board longitudinal direction,
Certain waterproof measure is taken at piece position if necessary.
The inner side of pre-manufactured steel flaggy 3 is connected with steel skeleton, and outside connection cast-in-place concrete layer 2, outer surface is welded with set
Cylinder 81 and peg 9, shearing resistance energy is provided to cast-in-place concrete layer 2 and the contact site of pre-manufactured steel flaggy 3 and concrete layer 1
Power, so as to ensure the collective effect of pre-manufactured steel flaggy 1, cast-in-place concrete layer 2 and concrete layer 3；The pre-manufactured steel flaggy
Using the steel plate of the forms such as plain plate or profiled sheet, polylith prefabricated steel circumferentially passes through peg, welding side between longitudinal direction
Formula connects.
The concrete layer 1 is connected by shear reinforcement 82 with the joint bar of sleeve 81 first with pre-manufactured steel flaggy 3, then
Cast-in-place concrete layer 2 is directly poured between concrete layer 1 and pre-manufactured steel flaggy 3, distribution can be arranged in advance if necessary
Reinforcing bar, vibrated ability according to construction, can one-piece casting, can also pour step by step, such as first pour bottom prefabricated board and bottom surface steel plate it
Between concrete, then pour side concrete, finally pour top.
The steel skeleton is mainly made up of ring girder steel 4 and longitudinal girder steel 5, and the ring girder steel 4 is by the horizontal He of ring beam 42
Vertical ring beam 41 forms, and is connected by screw bolts between the ring girder steel 4 and longitudinal girder steel 5, and connected mode is rigid connection, semi-rigid joint
Or be hinged form, the girder steel section uses welding I-section or H profile steel cross section structure form, when tube lane dimension is larger,
The structure type of Steel Truss Beam is then used, to improve the rigidity of girder steel and bearing capacity, and saves material.
The horizontal ring beam 42 and vertical ring beam 41 are connected by splicing node 7, and the splicing node 7 is by high-strength bolt
71st, end plate 72, stiffener 73 and local ribbed stiffener 74 form, and the horizontal ring beam 42 is by high-strength bolt 71 and end plate 72 with erecting
Linked together to ring beam 41, the stiffener 73 is between horizontal ring beam 42 and vertical ring beam 41, stiffener 73, horizontal loops
Beam 42 and vertical ring beam 41 form the structure of a right angled triangle, improve the anti-rotation kinetic force of node, while improve piping lane
Corner stress；Local ribbed stiffener 74 is fixed on vertical ring beam 41, and is located at the junction of vertical ring beam 41 and horizontal ring beam 42,
Local ribbed stiffener 74 undertakes the concentrated force of edge of a wing transmission, improves stress distribution of the component at node；Longitudinal girder steel 3 splices node
Equally with bolt connection, it is constructed be connected similar with general steel construction primary and secondary beam, for rigid connection or can be hinged.
The pre-manufactured steel flaggy 3 and concrete layer 1 are the inside and outside template of cast-in-place concrete layer 2 in work progress,
In work progress, the outside of concrete layer 1 increase skewed horizontal load, the cast-in-place prefabricated piping lane pair of piping lane and normal part is reduced
The requirement of concrete blinding.
The implementation steps of the present invention are described in detail again with reference to accompanying drawing：
（1）According to the piping lane each several part size of design, in the vertical ring beam 41 of steel construction prefabrication, horizontal ring beam 42, longitudinal steel
Beam 5 and pre-manufactured steel flaggy 3, in prefabricated steel corresponding site weld stud 9 and sleeve 81；At the prefabricated bottom of concrete structure precast plant
Portion's prefabricated board 11 and side prefabricated board 12, and reserved shear reinforcement 82；
（2）Vertical ring beam 41 and horizontal ring beam 42 are spliced into ring girder steel 4 by splicing the scene of node 7, then, with longitudinal steel
Beam 5 will be linked to be an entirety per Pin rings girder steel 4, be equally connected by screw bolts between longitudinal direction and ring girder steel；
（3）Bed course 6 is poured in the foundation ditch dug, then positioning place bottom prefabricated board 11, by pre-manufactured steel flaggy 3 mat formation by
The steel skeleton surface that longitudinal girder steel 4 and ring girder steel 3 are formed, and by its integral installation to design attitude, by the shearing resistance steel of bottom
The insertion sleeve 81 of muscle 82, and falsework is set between bottom prefabricated board 11 and the bottom surface of pre-manufactured steel flaggy 3；Pour showing for bottom
Pouring concrete layer 2, and vibrate；
（4）Seating side prefabricated board 12, it is connected with the prefabricated piece 13 of bottom prefabricated board 11 using the technique of joint bar grouting, i.e.,
The end of one side plate stretches out reinforcing bar and inserts the end hole of another block of plate, and mortar is poured into hole；Meanwhile the shearing resistance of side
The insertion sleeve 81 of reinforcing bar 82；After the bottom surface portions that cast-in-place concrete layer 2 has poured reach age, the cast-in-place of side and top surface is poured
Concrete layer 2, vibrate and conserve；
（5）After reaching age, start the construction of next section of piping lane, concrete layer 1 is longitudinally being made using joint bar grouting, mortise and tenon
The mode such as type or post-tensioned prestressing is connected, and polylith prefabricated steel is circumferentially connected between longitudinal direction by modes such as peg, welding,
Longitudinal girder steel uses bolted end-plate connection, remaining process as hereinbefore, until the construction of whole piece piping lane is completed.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template, the piping lane are positioned over bed course（6）
On, the piping lane includes internal layer, middle level and outer layer, it is characterised in that：The outer layer is concrete layer (1), the centre
Layer is cast-in-place concrete layer (2) and pre-manufactured steel flaggy (3), and the internal layer is the steel that ring girder steel (4) and longitudinal girder steel (5) form
Skeleton, concrete layer (1) the connection cast-in-place concrete layer (2), the cast-in-place concrete layer (2) connect pre-manufactured steel flaggy
(3), pre-manufactured steel flaggy (3) the connection steel skeleton, the external load that three layers of shared is transmitted to by the soil body.
2. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 1, its
It is characterised by：The concrete layer (1) is made up of bottom prefabricated board (11) and side prefabricated board (12) two parts, is plate
The component of shape form, cast-in-place concrete layer (2) surface is directly mounted at, wherein containing vertical, horizontal reinforcing bar, and pre-buried shear reinforcement
(82)。
3. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 1, its
It is characterised by：It is connected on the inside of the pre-manufactured steel flaggy (3) with steel skeleton, outside connection cast-in-place concrete layer (2), outer surface weldering
There are a sleeve (81) and peg (9), for the pre-manufactured steel flaggy (3) using the steel plate of the forms such as plain plate or profiled sheet, polylith is pre-
Steel plate processed is circumferentially connected between longitudinal direction by peg, welding manner.
4. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 2 and 3,
It is characterized in that：The shear reinforcement（82）And sleeve（81）Connected by the way of joint bar.
5. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 1, its
It is characterised by：The steel skeleton is mainly made up of ring girder steel (4) and longitudinal girder steel (5), and the ring girder steel (4) is by horizontal loops
Beam (42) and vertical ring beam (41) composition, the ring girder steel（4）With longitudinal girder steel（5）Between be connected by screw bolts, connection side
Formula is rigid connection, semi-rigid joint or be hinged form, and the girder steel section uses welding I-section, H types or box steel cross section structure shape
Formula, when tube lane dimension is larger, then using the structure type of Steel Truss Beam, to improve the rigidity of girder steel and bearing capacity, and save
Material.
6. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 5, its
It is characterised by：The horizontal ring beam (42) and vertical ring beam (41) are by splicing node（7）Connection, it is described splicing node (7) by
High-strength bolt (71), end plate (72), stiffener (73) and local ribbed stiffener (74) composition, the horizontal ring beam (42) is by high-strength
Bolt (71) and end plate (72) link together with vertical ring beam (41), and the stiffener (73) is located at horizontal ring beam (42) and erects
To between ring beam (41), stiffener (73), horizontal ring beam (42) and vertical ring beam (41) form the structure of a right angled triangle,
The anti-rotation kinetic force of node is improved, while improves piping lane corner stress, local ribbed stiffener（74）It is fixed on vertical ring beam（41）
On, and it is located at vertical ring beam（41）With horizontal ring beam（42）Junction.
7. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 1, its
It is characterised by：The piping lane section is the rectangle or circle in single storehouse or more storehouses.
8. a kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template according to claim 1, its
It is characterised by：The pre-manufactured steel flaggy (3) and concrete layer (1) in work progress for cast-in-place concrete layer (2) it is interior,
Exterior sheathing, in work progress, increase skewed horizontal load, reduces cast-in-place piping lane and normal part on the outside of concrete layer (1)
Requirement of the prefabricated piping lane to concrete blinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907889.5A CN107514012A (en) | 2017-09-29 | 2017-09-29 | A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907889.5A CN107514012A (en) | 2017-09-29 | 2017-09-29 | A kind of partial precast assembly steel concrete combination underground pipe gallery for exempting from template |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594717A (en) * | 2018-11-06 | 2019-04-09 | 安徽水利开发股份有限公司 | Assembled steel reinforced concrete column construction technology based on prefabricated standard assembly piece |
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