CN109972656A - A kind of overlapping fabricated construction pipe gallery and its construction method - Google Patents

A kind of overlapping fabricated construction pipe gallery and its construction method Download PDF

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Publication number
CN109972656A
CN109972656A CN201810901528.4A CN201810901528A CN109972656A CN 109972656 A CN109972656 A CN 109972656A CN 201810901528 A CN201810901528 A CN 201810901528A CN 109972656 A CN109972656 A CN 109972656A
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CN
China
Prior art keywords
plate
overlapping
vertical member
pipe gallery
component
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Pending
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CN201810901528.4A
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Chinese (zh)
Inventor
王磊
刘四德
邹德松
王宏
王新荣
刘朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
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Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd filed Critical Third Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Priority to CN201810901528.4A priority Critical patent/CN109972656A/en
Publication of CN109972656A publication Critical patent/CN109972656A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

Abstract

The present invention discloses a kind of overlapping fabricated construction pipe gallery and its construction method, is closed by the overlapping assembly board group of muti-piece and forms pipe gallery, and the assembled plate of the overlapping is prefabricated overlapping assembly plate;It is described to overlap assembled plate using the hollow structure design of piecemeal overlapping;The horizontal member is all made of reserved steel bar with connecting node between vertical member connecting node and horizontal member and overlaps cast-in-place connection;Concreting connection overlaps the hollow structure between assembled plate, to form integrally-built pipe gallery.The assembled plate of overlapping is fixed temporarily using diclinic support connection, after installation longitudinal direction, circumferential steel plate for sealing water and joint reinforcing bar are bound, pours hollow structure part self-compacting concrete.Pipe gallery of the present invention can effectively increase working face, create continuous productive process condition, accelerate construction progress, and reduce scene bracket and set up equal resource inputs, meet green construction, can effectively reduce cost, improve the waterproof performance of structure.

Description

A kind of overlapping fabricated construction pipe gallery and its construction method
Technical field
The present invention relates to highway bridge construction technical fields, and in particular to a kind of prefabricated Pipe rack is particularly suitable for making The comprehensive pipe gallery structure construction and cast-in-place or prefabricated any more cabin shapes that industry environment is limited, construction period is tight and environmental requirement is high The pipe gallery of formula is constructed.
Background technique
Pipe gallery (Japan claims " common trench ", TaiWan, China to claim " Common Ducts ") is exactly that urban duct synthesis in underground is walked Corridor.A new space structures object is built in Urban Underground, by electric power, communication, the various engineerings such as combustion gas, heat supply, plumbing Pipeline is integrated in one, and implements unified planning, Uniting, unified construction and management, has obtained extensively in many big and medium-sized cities in China General implementation is used.Country pays much attention to promote the construction of Urban Underground pipe gallery, and pipe gallery is opened as urban underground space Send out by effective means and Green Development in the way of, have that resource intensivism, long service life, security performance be high, environmental benefit The advantages such as good, pipeline performance easy to maintain become the important infrastructure for ensureing city operations, are known as " the life in city Line ".
Currently, the main construction method of domestic existing pipe gallery has cast-in-place and prefabricated two methods, conventional cast-in-place mode The materials such as a large amount of template, scaffold are generally required, a large amount of artificial and mechanical coordinating operation, constructional appearance matter are more needed Amount, waterproof performance and built-in fitting position are not easy to guarantee in the construction process, and security risk control factor is more in work progress; Prefabricated piping lane monoblock type is assembled will to be limited by construction site again, lift to it and transport has higher requirement, and waterproof performance one As.
As described above, existing pipe gallery construction method, long construction period, resource input is big, at high cost, does not meet state Therefore the green construction that family advocates studies a kind of pipe gallery and satisfaction suitable for cast-in-place or prefabricated any more cabin forms The comprehensive pipe gallery structure construction method that operating environment is limited, construction period is tight and environmental requirement is high, which becomes, promotes pipe gallery development The most important thing.
Summary of the invention
It is an object of the invention to solve the problems, such as existing comprehensive pipe gallery structure construction, provide a kind of more effective Comprehensive pipe gallery structure and its construction method, can large-scale production, lightweight it is assembled, convenient for construction, while can be reduced resource Investment reduces construction cost, improves waterproof performance, meets green construction.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
The overlapping assembly board group of a kind of overlapping fabricated construction pipe gallery, muti-piece closes to form pipe gallery, the overlapping Assembled plate is prefabricated overlapping assembly plate;The assembled plate of the overlapping includes horizontal member and vertical member, the horizontal member packet Include horizontal top component and horizonal base plate component;Wherein, horizontal top component, plate body include that upper plate superimposed sheet or lower roof plate are folded Plywood, the upper plate superimposed sheet or lower roof plate superimposed sheet are connected with vertical embedded bar, vertical embedded bar be provided with it is a plurality of, To form hollow structure;Top plate reserved steel bar is equipped in the end of the horizontal top component;Horizonal base plate component, plate body include Upper and lower bottom plate superimposed sheet, is connected with vertical embedded bar between upper and lower bottom plate superimposed sheet, vertical embedded bar be provided with it is a plurality of, To form hollow structure;Bottom plate reserved steel bar is equipped in the end of the horizonal base plate component;Vertical member, plate body include left and right Wall superimposed sheet, is connected with horizontal embedded bar between left and right wall superimposed sheet, horizontal embedded bar be provided with it is a plurality of, with shape At hollow structure;Vertical reserved steel bar is equipped in the end of the vertical member;The horizontal member connect section with vertical member Point using interting between top plate reserved steel bar and vertical reserved steel bar in overlapping stitching portion, fix or bottom plate is pre- by pin joint reinforcing bar It stays reinforcing bar and interts pin joint reinforcing bar in overlapping stitching portion between vertical reserved steel bar and fix;Connecting node uses between horizontal member Be between top plate reserved steel bar overlapping stitching portion intert pin joint reinforcing bar fix or bottom plate reserved steel bar between overlapping splice Locate interspersed pin joint reinforcing bar to fix;Concreting connection overlaps the hollow structure between assembled plate, integrally-built comprehensive to be formed Close piping lane.
Further, adjustable diclinic strut is equipped between the horizontal member and vertical member of connection, this is adjustable Diclinic strut includes diagonal brace stock and diagonal brace quarter butt;Diagonal brace stock one end is fixed at the 2/3 of vertical member height, and the other end is solid It connects on corresponding horizontal member, adjusts vertical member position, make the diagonal brace stock and 55 °~65 ° of horizontal line angle;Diagonal brace Quarter butt one end is fixed at the 1/3 of vertical member height, is adjusted vertical member, is made the diagonal brace quarter butt and 30 ° of horizontal line angle ~45 °.
Further, the overlapping assembly plate of muti-piece combination is provided with galvanized steel plain sheet waterstop between plate and plate.
Further, the overlapping assembly plate great Chang Du≤4m;Muti-piece combination overlapping assembly plate between plate and plate it Between be equipped with 40 ± 5mm preset clearance, preset clearance using two-ply block reinforce.
Further, the overlapping assembly plate great Chang Du≤4m;Muti-piece combination overlapping assembly plate between plate and plate it Between be equipped with 40 ± 5mm preset clearance, preset clearance using two-ply block reinforce.
A kind of construction method overlapping fabricated construction pipe gallery, the pipe gallery are described in claim 1 Fabricated construction pipe gallery is overlapped, the construction technology process of the pipe gallery is as follows:
The maximum weight of step 1, the assembled plate of prefabricated overlapping is 6 tons, great Chang Du≤4m;Overlap the plate body of assembled plate It places to concentrate on a vibration table and uses concreting, steam curing, wherein overlap the plate body of assembled plate and pour the thickness of plate It is 8-10cm, concrete uses C40 water-proof concrete, and seepage-resistant grade P8 overlaps the upstream face protective layer of the plate body of assembled plate Wherein, the plate body of horizonal base plate component is provided with the back side protective layer thickness 30mm of the plate body of the assembled plate of thickness 50mm, overlapping Multiple reserved inspection holes;
Step 2, horizonal base plate component piecemeal installation, is overlapping using between the bottom plate reserved steel bar of horizonal base plate component Intert pin joint reinforcing bar and fix in stitching portion;
Step 3 overlaps the gap installation that assembled plate reserves 40 ± 5mm between plate and plate, and gap is sealed using two-ply It is stifled to reinforce, spillage when avoiding casting concrete;Wherein, horizonal base plate component and vertical member are interim solid using diclinic support connection It is fixed, using interspersed in overlapping stitching portion between the bottom plate reserved steel bar of horizonal base plate component and the vertical reserved steel bar of vertical member Pin joint reinforcing bar is fixed;The diclinic support connection, which is fixed temporarily, to be equipped with using between connection horizonal base plate component and vertical member Adjustable diclinic strut, which includes diagonal brace stock and diagonal brace quarter butt;Diagonal brace stock one end is fixed in At the 2/3 of vertical member height, the other end is fixed on corresponding horizontal member, is adjusted vertical member position, is kept the diagonal brace long Bar and horizontal line angle are between 55 °~65 °;Diagonal brace quarter butt one end is fixed at the 1/3 of vertical member height, and the other end is solid It connects on corresponding horizontal member, adjusts vertical member, make the diagonal brace quarter butt and horizontal line angle between 30 °~45 °;
Step 4 binds reserved steel bar on horizonal base plate component and vertical member respectively;
Step 5, using galvanized steel plain sheet waterstop as waterproof measure between the plate and plate that combination overlaps assembled plate;Step Rapid six, pour the hollow structure position self-compacting concrete of horizonal base plate component and vertical member;It pours using self-compacting concrete C40P8 ungauged regions non-vibrated self dense concrete, the coarse aggregate size which uses is 5~20mm;The slump is 250 ~270mm;Divergence is 700 ± 50mm;Swelling agent is inside mixed, the contraction of concrete is compensated;
Step 7 is filled perpendicular after the concrete strength of horizonal base plate component and vertical member to 100% using C15 concrete To the bed course of component outer space and pipe gallery.
Preferably, in step 6, concrete is poured using automotive pump, and vertical member should be layered certainly and symmetrically pour, every layer about 1~ 1.5m;Concrete is seen to emerge from the hole of the reserved inspection hole of horizonal base plate component, it can be with vibrating spear along each hole Insertion is vibrated, and is then allowed to stand 1~2 hour, then along hole secondary vibration, to eliminate because of volume of concrete shrinks lacking of generating It falls into, to guarantee combining closely for concrete and component.
It further, further include the combination installation of horizontal top component and vertical member;Construction procedure, step 1 are horizontal Top plate member and vertical member use top plate superimposed sheet steel pipe support, using the top plate reserved steel bar of horizontal top component and vertical Intert pin joint reinforcing bar in overlapping stitching portion between the vertical reserved steel bar of component to fix;The top plate superimposed sheet steel pipe is according to design Absolute altitude and plan-position are set up;
Step 2 after the completion of top plate superimposed sheet steel pipe support is set up, carries out horizontal top lifting component, overlaps mounting of roof plate When, the gap of 40 ± 5mm need to be reserved with vertical member, gap is blocked using two-ply and reinforced;
Step 3, using galvanized steel plain sheet waterstop as waterproof measure between the plate and plate that combination overlaps assembled plate;
Step 4 pours the hollow structure position of horizontal top component and vertical member, using self-compacting concrete C40P8 ungauged regions non-vibrated self dense concrete, the coarse aggregate size which uses is 5~20mm;The slump is 250~270mm;Divergence is 700 ± 50mm;Swelling agent is inside mixed, the contraction of concrete is compensated;
Step 5 carries out sprinkling maintenance after pouring the concrete surface covering geotextiles of horizontal top component.
Preferably, which is connect stranding width and is not less than using the layering of organic waterproof coating, uniformly brushing or spary 100mm, thickness are not less than 2mm;Deformation joint is occupied with 1m wide modified pitch polyethylene tyre water-proof coiled material on the outside of pipe gallery main body Middle package applies 20mm thickness 1:2.5 cement sand bed after package, and inside applies closure using two-component polysulfide sealing compound.
By the above-mentioned description of this invention it is found that compared with the existing technology, the invention has the following beneficial effects:
One, the assembled plate of overlapping of the invention is designed using hollow structure, realizes that lightweight is assembled, as long as using commonly Assembly can be completed in 9 meters of dollies and 25 tons of common lifting appliances, reduces build transport channel, leases bulk transport Equipment and the assembled large-scale lifting appliance used and the great number cost generated, significant effect.
Two, assembled plate is overlapped in precasting yard concentration pre-casting, and over-the-counter to install, reduction field resources investment accelerates construction progress.
Two, the installation that the present invention overlaps assembled plate belongs to the assembled prefabricated construction of overlapping, realizes large-scale production.It adopts Overlapping assembly can effectively increase working face, create continuous productive process condition, reduce scene bracket and set up equal resource inputs, meet Green construction reduces the expenditure of project management cost, can effectively reduce cost.
Three, the external appearance quality in corridor after molding is excellent, can exempt from secondary decoration, and reduces the connector splicing time of prefabrication and lifting Number, effectively improves the waterproof performance of structure.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that (arrow in figure is the spelling that stack is merged loading board for the decomposition texture assembly schematic diagram of pipe gallery of the present invention Connect direction);
Fig. 2 is the structural schematic diagram of pipe gallery of the present invention;
Fig. 3 is the structural schematic diagram of horizonal base plate component and vertical member of the present invention;
Fig. 4 is the splicing construction schematic diagram of horizonal base plate component and vertical member of the present invention;
Fig. 5 is the structural schematic diagram that horizonal base plate component of the present invention is connected with vertical member reinforcing bar;
Fig. 6 is the structural schematic diagram that horizonal base plate component and vertical member of the present invention are fixed temporarily using diclinic support connection One;
Fig. 7 is the structural schematic diagram that horizonal base plate component and vertical member of the present invention are fixed temporarily using diclinic support connection Two;
Fig. 8 is that the top plate superimposed sheet steel pipe of horizontal top component of the present invention sets up structural schematic diagram;
Fig. 9 is the prefabricated piping lane overlapping fabricated construction process flow diagram of the present invention.
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " the One ", " second " or " third " etc. are provided to distinguish different objects, be not use to describe a particular order.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, for the noun of locality, such as Using term " center ", " transverse direction ", " longitudinal direction ", "horizontal", " vertical ", "top", "bottom", "inner", "outside", "upper", "lower", The indicating positions such as "front", "rear", "left", "right", " clockwise ", " counterclockwise " or positional relationship are orientation based on the figure And positional relationship, and be merely for convenience of the narration present invention and simplify description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation or be constructed and operated in a specific orientation, so can not be interpreted as limiting of the invention specific Protection scope.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " Gu Connect " or " being fixedly connected ", it should broadly understood, i.e., between the two without any connection side of displacement relation and relative rotation relationship Formula, that is to say, that including be unremovably fixedly connected with, be removably secured connection, be linked together and by other devices or Element is fixedly connected.
In claims of the present invention, specification and above-mentioned attached drawing, such as using term " includes ", " having " and they Deformation, it is intended that " including but not limited to ".
Illustrate a kind of overlapping fabricated construction pipe gallery of the present invention and its construction method now in conjunction with Fig. 1 to Fig. 8.As Fig. 1, Shown in 2, the overlapping assembly board group of muti-piece closes to form pipe gallery of the present invention.It is described to overlap assembled plate as prefabricated overlapping assembly Plate;The assembled plate of the overlapping includes horizontal member and vertical member 10, and the horizontal member includes horizontal top component 20 and water Flat board member 30.
Incorporated by reference to shown in Fig. 3,4, the plate body of the horizonal base plate component 30 includes upper and lower bottom plate superimposed sheet 31,32, upper, The vertical embedded bar 33 of bottom plate is connected between lower plate superimposed sheet 31,32, the vertical embedded bar 33 of the bottom plate is spaced and parallel to be set It is equipped with a plurality of, the reserved voided layer between upper and lower bottom plate superimposed sheet 31,32, to form the horizonal base plate component 30 of hollow structure. Bottom plate reserved steel bar 34 is equipped in the end of the plate body of the horizonal base plate component 30.
The plate body of the horizontal top component 20 includes upper plate superimposed sheet 21 or lower roof plate superimposed sheet 22, the upper plate The vertical embedded bar 23 of top plate is connected on superimposed sheet 21 or lower roof plate superimposed sheet 22, the vertical embedded bar 23 of top plate is spaced and parallel It is provided with a plurality of, the reserved voided layer on upper plate superimposed sheet 21 or lower roof plate superimposed sheet 22, to form the level of hollow structure Top plate member 20.Top plate reserved steel bar 24 is equipped in the end of the plate body of the horizontal top component 20.
The plate body of institute's vertical member 10 includes left and right wall superimposed sheet 11,12, left and right wall superimposed sheet 11,12 it Between be connected with horizontal embedded bar 13, horizontal embedded bar 13 is spaced and parallel be provided with it is a plurality of, left and right wall superimposed sheet 11, Voided layer is reserved between 12, to form the vertical member 10 of hollow structure.It is equipped in the end of the plate body of the vertical member 10 perpendicular To reserved steel bar 14.
As shown in figure 4, the connecting node between the horizontal member and the connecting node and horizontal member of vertical member 10 It is all made of reserved steel bar and overlaps cast-in-place be connected and fixed.The reserved steel bar overlaps cast-in-place be connected and fixed and refers in horizonal base plate component 30 Bottom plate reserved steel bar 34 and vertical member 10 vertical reserved steel bar 14 splicing overlapping at intert pin joint reinforcing bar G, it is then existing Concrete is poured, so that horizonal base plate component 30 and vertical member 10 form whole fixation;Or it is reserved in the bottom plate of horizontal top component 20 Intert pin joint reinforcing bar G at the splicing overlapping of the vertical reserved steel bar 14 of reinforcing bar 24 and vertical member 10, then Cast-in-place concrete, so that Horizontal top component 20 and vertical member 10 form whole fixation;Or between the bottom plate reserved steel bar 34 of horizonal base plate component 30 Overlapping stitching portion intert pin joint reinforcing bar G, then Cast-in-place concrete, so as to be formed between horizonal base plate component 30 whole fixed;Or Pin joint reinforcing bar G is interted in overlapping stitching portion between the top plate reserved steel bar 24 of horizontal top component 20, then Cast-in-place concrete, so that water It is formed between flat-top board member 30 whole fixed.Concreting connection overlaps the hollow structure between assembled plate, and overlapping is spelled Loading board is turned parts into the whole, to form integrally-built pipe gallery.It is preferably 6 tons that the present invention, which overlaps assembled plate maximum weight, is most greatly enhanced Du≤4m.When installation, muti-piece combination overlapping assembly plate between plate and plate between be equipped with 40 ± 5mm preset clearance, reserve between Gap is blocked using two-ply and is reinforced, spillage when preventing casting concrete.And muti-piece combination overlapping assembly plate plate with Using 300 × 3mm galvanized steel plain sheet waterstop as waterproof measure between plate.
Incorporated by reference to Fig. 9, present invention overlapping fabricated construction is now illustrated by taking the pipe gallery engineering of certain airport through street as an example The construction method of pipe gallery, the pipe gallery use four cabin form of rectangle, be equipped with rain bilge tank A, electric compartment B, combustion gas cabin C, Tetra- cabins municipal cabin D.
Step 1 preparation of construction
Step 1.1 construction site prepares
The investigation of all kinds of underground utilities must be carried out before construction and is moved changes work.Construction notice, setting are puted up in construction area Enclosing is isolated, prevent and treat sprinkling equipment along enclosing upper peripheral installation fugitive dust, and construction warning mark is set, it is folded to carry out prefabricated piping lane It is merged every preparation such as transport, lifting and materials arrival of loading board.
Step 1.2 excavation of foundation pit
Pipe gallery foundation pit geological condition is good, no soft layer, by design and special scheme (or use and be not less than 1:1) Carry out natural discharging slope excavation.After excavation of foundation pit, foundation bearing capacity test is carried out in time and five side's grounds is organized to verify confirmation. Gutter need to be arranged in substrate surrounding and sump is drained, and guarantee foundation pit ground without soaked phenomenon.
Step 1.3 cushion construction
Bottom of foundation ditch detection confirmation is qualified to carry out bed course concrete placings, and bed course concrete placings size is greater than Pipe rack sideline 50cm guarantees that overlapping assembled plate assembly operating space meets construction.
It is prefabricated that step 2 overlaps assembled plate
Overlapping assembled plate maximum weight is preferably 6 tons, great Chang Du≤4m.The plate body for overlapping assembled plate is placed on a vibration table Concentration pours, steam curing.Wherein, overlapping the plate body of assembled plate and pouring plate thickness is 8-10cm, in the present embodiment, overlapping The plate body of assembled plate and to pour plate thickness be 10cm.Concrete uses C40 water-proof concrete, seepage-resistant grade P8, overlapping assembly The back side protective layer M2 thickness 30mm of the plate body of the assembled plate of the upstream face protective layer M1 thickness 50mm of the plate body of plate, overlapping, often 4 100 preformed holes of Φ are arranged in block bottom plate plate body, are mainly used as peep hole and gas vent when self-compacting concrete pours.
Surveying and locating before step 3 lifting
The measurement that is open to traffic is carried out according to the stake short wooden stake that designing institute transfers, and adds route control stake, bench mark and stake.
Line traffic control stake in step 3.1
Using guest obtain R-422NM type total station carry out survey set, repetition measurement achievement compared with designing institute's achievement, when lateral deviation not When being not more than 1/5000 greater than 5mm, range deviation, using designing institute's achievement.When repetition measurement discrepancy exceeds permissible value, must remake Repetition measurement, as confirmed, stake is wrong in original or precision is against regulation, then Ying Genggai.
Step 3.2 bench mark
Survey using DSZ2 type level and set, repetition measurement achievement is poor within ± 20 compared with designing institute's achievement When, using designing institute's achievement.When repetition measurement discrepancy exceeds permissible value, repetition measurement must be remake, such as confirms that raw water is on schedule wrong or smart Spend against regulation, then Ying Genggai.
Step 3.3 thin portion setting-out
Go out each section of rain sewage cabin structure sideline of pipe gallery according to design drawing surveying and locating, is then drawn according to design drawing Divide every piece of region for overlapping assembled plate, is popped up with black mark-line.
Step 4 rain bilge tank overlaps assembled plate installation
30 piecemeal of horizonal base plate component of step 4.1 rain bilge tank is installed, and overlaps cast-in-place connection using reserved steel bar.Rain is dirty The horizonal base plate component 30 of water tank is successively lifted using 25T crane using assembled plate is overlapped with vertical member 10, horizontal base Board member 30 and vertical member 10, which are fixed temporarily by ready-portioned region using diclinic support connection, to be installed in place.Horizonal base plate structure The gap that part 30 and vertical member 10 reserve 40 ± 5mm between plate and plate is installed, and gap is blocked using two-ply and reinforced, and is kept away Exempt from spillage when casting concrete.It is using connection horizonal base plate component 30 and vertical member that the diclinic support connection, which is fixed temporarily, Adjustable diclinic strut is equipped between 10, which includes diagonal brace stock 40 and diagonal brace quarter butt 50;Diagonal brace 40 one end of stock is fixed at the 2/3 of 10 height of vertical member, and the other end M16 nut pre-buried with horizonal base plate component 30 is mating Be fixedly connected with vertical member 10, adjust 10 position of vertical member, make the diagonal brace stock 40 and horizontal line angle 55 °~65 ° it Between;50 one end of diagonal brace quarter butt is fixed at the 1/3 of 10 height of vertical member, the other end and the pre-buried M16 of horizonal base plate component 30 Nut is mating to be fixedly connected with vertical member 10, adjusts 10 position of vertical member, makes the diagonal brace quarter butt 50 and horizontal line angle at 30 ° Between~45 °.
Step 4.2 is tied up in the end banding bottom plate reserved steel bar 34 of horizonal base plate component 30 in the end of vertical member 10 Prick vertical reserved steel bar 14.
Step 4.3 is between the plate and plate of combined horizonal base plate component 30 and vertical member 10 using 300 × 3mm's Galvanized steel plain sheet waterstop is as waterproof measure.
Step 5 rain bilge tank wall and bottom slab concreting concrete
Step 5.1 checks whether the position of vertical circumferential galvanized steel plain sheet waterstop is placed in the middle before pouring, and is adjusted.Bilge tank Horizonal base plate component 30 and the hollow structure position of vertical member 10 pour and exempt to shake using self-compacting concrete C40P8 ungauged regions Self-compacting concrete, the coarse aggregate size which uses is 5~20mm;The slump is 250~270mm;Divergence For 700 ± 50mm;Swelling agent is inside mixed, the contraction of concrete is compensated.
Step 5.2 concrete is poured using automotive pump, and vertical member 10 should be layered certainly and symmetrically pour, every layer of about 1~1.5m;See It emerges from the hole of the reserved inspection hole of horizonal base plate component 30 to concrete, can be inserted into and be shaken along each hole with vibrating spear It smashes, is then allowed to stand 1~2 hour, then along hole secondary vibration, to eliminate the defect generated because volume of concrete shrinks, thus Guarantee combining closely for concrete and component.
Backfill pours concrete on the outside of step 6 rain bilge tank
After the concrete strength of horizonal base plate component 30 and vertical member 10 to 100%, vertical structure is filled using C15 concrete The bed course of part 10 outer space and pipe gallery.
The superimposed sheet of step 7 combustion gas cabin C, electric compartment B bottom plate and wall are installed
The overlapping of step 7.1 combustion gas cabin C, the horizonal base plate component 30 of electric compartment B and vertical member 10, which are spliced, to be installed, and is Synchronous installation;The gap of 40 ± 5mm, gap need to be reserved when installing between combustion gas cabin, adjacent two pieces of the overlapping assembly plate of electric compartment It is blocked and is reinforced using two-ply, spillage when preventing casting concrete.
Step 7.2 overlaps assembled plate lifting
Horizonal base plate component 30 is successively lifted using 25T crane using assembled plate is overlapped with vertical member 10, is pressed Ready-portioned region is fixed temporarily by the support connection of adjustable diclinic.The diagonal brace stock 40 1 that diclinic support connection is fixed temporarily End is fixed at the 2/3 of 10 height of vertical member, and the other end is fixed on level by the way that the pre-buried M16 nut of horizontal member 30 is mating On base plate member 30,10 position of vertical member is adjusted, makes the diagonal brace stock 40 and horizontal line angle between 55 °~65 °.Tiltedly Support 50 one end of quarter butt is fixed at the 1/3 of 10 height of vertical member, and the other end is matched by the pre-buried M16 nut of horizontal member 30 Set is fixed on horizonal base plate component 30, adjusts vertical member 10, makes the diagonal brace quarter butt 50 and horizontal line angle at 30 °~45 ° Between.
The fixation of step 7.3 armpit angle muscle and additional muscle
Combustion gas cabin, electric power Ceiling the assembled plate lifting of every section of overlapping after the completion of, need to be in the end of horizonal base plate component 30 Bottom plate reserved steel bar 34 is bound, in the vertical reserved steel bar 14 of the end banding of vertical member 10, the end of horizontal top component 20 Bind top plate reserved steel bar 24.
Step 7.4 uses 300 × 3mm between the plate body and plate body of combined horizonal base plate component 30 and vertical member 10 Galvanized steel plain sheet waterstop as waterproof measure.
Step 8 superposed type mounting of roof plate
Step 8.1 as shown in figure 8, horizontal top component 30 and vertical member 10 are supported using top plate superimposed sheet steel pipe 50, The top plate superimposed sheet steel pipe 50 is Φ 48.3*3.6 steel pipe, is set up according to designed elevation and plan-position.Rain sewage herein at this time Cabin concrete has poured concrete after assembly, and the top plate superimposed sheet steel pipe 50 is erected on rain sewage cabin structure top surface when assembled top plate.Institute It states top plate superimposed sheet steel pipe 50 to set up by spacing 0.8m*0.8m, adjustable top is arranged in the end of vertical top plate superimposed sheet steel pipe 50 It holds in the palm, the setting elongated flitch of 100*100 is used to support horizontal top component on jacking.
After the completion of step 8.2 supporting erection, carries out horizontal top component 30 and lift.When installation, horizontal top component 30 it Between need the gap of reserved 40 ± 5mm, gap is blocked using two-ply and is reinforced.
Step 8.3 uses the galvanized steel plain sheet waterstop of 300 × 3mm between the plate body and plate body of the assembled plate of overlapping of combination As waterproof measure.
Step 9 pours self-compacting concrete
Check whether the position of galvanized steel plain sheet waterstop is placed in the middle before pouring, and is adjusted.Horizontal top component 30 and perpendicular It pours to the hollow structure position of component 10 using self-compacting concrete C40P8 ungauged regions non-vibrated self dense concrete, the kind The coarse aggregate size that concrete uses is 5~20mm;The slump is 250~270mm;Divergence is 700 ± 50mm;It inside mixes swollen Swollen dose, the contraction of concrete is compensated.
Step 10 watering covering curing
Sprinkling maintenance is carried out after pouring the concrete surface covering geotextiles of horizontal top component, the sprinkling maintenance time is no less than 14 It, depending on sprinkling maintenance number is with temperature change.
Construction of waterproof layer, comprehensive pipe gallery structure waterproofing grade second level of the present invention, using the layering of organic waterproof coating, uniformly painting Brush or spary connect and rub width with the hands not less than 100mm, and thickness is not less than 2mm.The deformation joint poly- second of 1m wide modified pitch on the outside of main body Alkene tyre water-proof coiled material wraps up between two parties, and 20mm thickness 1:2.5 cement sand bed is applied after package, and inside uses two-component polysulfide Sealing compound applies closure.
Compare with conventional cast-in-place: conventional cast-in-place method construction period is longer, pours from template installation, reinforcing bar binding, concrete It builds, conserve to demoulding larger workload and working procedure linking is interfered greatly, Cast-in-place concrete piping lane impermeability and durability are not so good as factory Change prefabricated structures to stablize, noise and dust pollution is easily caused, for the surrounding environment influence at dense population areas in city It is larger, restrict civilized construction and environmental protection effect.Calculate by cast-in-place 20 meters: construction period needs 20 days, bottom plate is cast-in-place need using Time 3 days, wall top plate is cast-in-place to be used the time 7 days, made 15 people of worker.And fabricated construction work is overlapped used by this engineering method Skill, assembling 20 meters of periods is only 4 days, 12 people of installer,
Method one: being constructed using cast-in-place method, and 650 squares of template (100 yuan/square) need to be arranged in every 20 meters of standard sections, altogether 65000 yuan, put into 15 people of labour, estimate construction days 10 days, amount to: 200 × 15 × 10=30000 member adds up to 65000+ 30000=95000 member.
Method two: using this engineering method, and template that no setting is required puts into 12 people of labour, estimates construction days 4 days, amounts to: 200 × 12 × 4=7200 member, adds up to 9600 yuan.Using this engineering method construction piping lane, every 20 meters of saving: 95000-9600= 85400 yuan.By this section of 40 meters of piping lane length calculating, can add up to save ten thousand yuan of 40/20*85400=17.08.
This engineering method is used in summary, and economic benefit is obvious.Pipe gallery standard paragraphs are more, can more embody the excellent of the engineering method More property.
It is compared with prefabricated whole section assembling, whole section assembling method is commonly available to piping lane standard section and lifts and transport Single cabin or the construction of double cabins can only be met.Due to this section of narrow space, pipeline is a lot of, as the piping lane section structure in four cabins, volume Greatly, weight is big, and ordinary municipal road is unable to satisfy transport at all and requires.And this engineering method overlaps assembled assembly in using piecemeal Hollow structure design, that is, reduce the weight and volume of monolithic superimposed sheet, also reduce the difficulty of lifting and transport, meet narrow The requirement in place, and that bottom plate, side wall, mid-board, top plate can formed under the pouring of self-compacting concrete is whole for the engineering method Body advantageously ensures that the intensity and waterproof effect of structure.
It overlaps assembled block batch production and concentrates construction, section corner angle are clearly demarcated, flatness is good, wallboard bilateral symmetry, built-in fitting position It is accurate to set, and can effectively guarantee constructional appearance quality, receive the high evaluation of owner, supervisor.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention In scope of protection of the claims.

Claims (10)

1. a kind of overlapping fabricated construction pipe gallery, which is characterized in that the overlapping assembly board group of muti-piece closes to form pipe gallery, The assembled plate of the overlapping is prefabricated overlapping assembly plate;The assembled plate of the overlapping includes horizontal member and vertical member, the water Flat component includes horizontal top component and horizonal base plate component;Wherein, horizontal top component, plate body include upper plate superimposed sheet or Lower roof plate superimposed sheet, the upper plate superimposed sheet or lower roof plate superimposed sheet are connected with vertical embedded bar, and vertical embedded bar is set Be equipped with it is a plurality of, to form hollow structure;Top plate reserved steel bar is equipped in the end of the horizontal top component;
Horizonal base plate component, plate body include upper and lower bottom plate superimposed sheet, are connected with vertical pre-buried steel between upper and lower bottom plate superimposed sheet Muscle, vertical embedded bar be provided with it is a plurality of, to form hollow structure;Bottom plate, which is equipped with, in the end of the horizonal base plate component reserves steel Muscle;
Vertical member, plate body include left and right wall superimposed sheet, are connected with horizontal embedded bar, water between left and right wall superimposed sheet Flat embedded bar be provided with it is a plurality of, to form hollow structure;Vertical reserved steel bar is equipped in the end of the vertical member;
The horizontal member and vertical member connecting node using between top plate reserved steel bar and vertical reserved steel bar Overlapping stitching portion intert pin joint reinforcing bar fix or bottom plate reserved steel bar and between vertical reserved steel bar it is interspersed in overlapping stitching portion Pin joint reinforcing bar is fixed;Connecting node interts pin joint steel in overlapping stitching portion using between top plate reserved steel bar between horizontal member Muscle fix or bottom plate reserved steel bar between overlapping stitching portion intert pin joint reinforcing bar fix;
Concreting connection overlaps the hollow structure between assembled plate, to form integrally-built pipe gallery.
2. a kind of overlapping fabricated construction pipe gallery as described in claim 1, which is characterized in that the horizontal member of connection with Adjustable diclinic strut is equipped between vertical member, which includes diagonal brace stock and diagonal brace quarter butt;Tiltedly Support stock one end is fixed at the 2/3 of vertical member height, and the other end is fixed on corresponding horizontal member, adjusts vertical member Position makes the diagonal brace stock and 55 °~65 ° of horizontal line angle;Diagonal brace quarter butt one end is fixed in the 1/3 of vertical member height Place adjusts vertical member, makes the diagonal brace quarter butt and 30 °~45 ° of horizontal line angle.
3. a kind of overlapping fabricated construction pipe gallery as claimed in claim 1 or 2, which is characterized in that muti-piece combination is folded It is merged loading board and is provided with galvanized steel plain sheet waterstop between plate and plate.
4. a kind of overlapping fabricated construction pipe gallery as claimed in claim 1 or 2, which is characterized in that the overlapping is assembled Plate maximum length≤4m;Muti-piece combination overlapping assembly plate between plate and plate between be equipped with 40 ± 5mm preset clearance, reserve between Gap is blocked using two-ply and is reinforced.
5. a kind of overlapping fabricated construction pipe gallery as claimed in claim 3, which is characterized in that the assembled plate of the overlapping is most Long length≤4m;The overlapping assembly plate of muti-piece combination between plate and plate between be equipped with the preset clearance of 40 ± 5mm, preset clearance adopts It is blocked and is reinforced with two-ply.
6. a kind of construction method for overlapping fabricated construction pipe gallery, which is characterized in that the pipe gallery is wanted for right Overlapping fabricated construction pipe gallery described in asking 1, the construction technology process of the pipe gallery are as follows:
The maximum weight of step 1, the assembled plate of prefabricated overlapping is 6 tons, maximum length≤4m;The plate body for overlapping assembled plate is placed It concentrates on a vibration table and uses concreting, steam curing, wherein the plate body for overlapping assembled plate and the thickness for pouring plate are 8-10cm, concrete use C40 water-proof concrete, and seepage-resistant grade P8 overlaps the upstream face protective layer thickness of the plate body of assembled plate Wherein, the plate body of horizonal base plate component is provided with multiple the back side protective layer thickness 30mm of the plate body of the assembled plate of 50mm, overlapping Reserved inspection hole;
Step 2, the installation of horizonal base plate component piecemeal are spliced using between the bottom plate reserved steel bar of horizonal base plate component in overlapping Locate interspersed pin joint reinforcing bar to fix;
Step 3 overlaps the gap installation that assembly plate reserves 40 ± 5mm between plate and plate, and gap is blocked using two-ply to be added Gu avoiding spillage when casting concrete;Wherein, horizonal base plate component and vertical member are fixed temporarily using diclinic support connection, are adopted Intert pin joint in overlapping stitching portion between the bottom plate reserved steel bar of horizonal base plate component and the vertical reserved steel bar of vertical member Reinforcing bar is fixed;It is adjustable using being equipped between connection horizonal base plate component and vertical member that the diclinic support connection, which is fixed temporarily, Whole diclinic strut, which includes diagonal brace stock and diagonal brace quarter butt;Diagonal brace stock one end is fixed in vertically At the 2/3 of member height, the other end is fixed on corresponding horizontal member, adjust vertical member position, make the diagonal brace stock with Horizontal line angle is between 55 °~65 °;Diagonal brace quarter butt one end is fixed at the 1/3 of vertical member height, and the other end is fixed in phase On the horizontal member answered, vertical member is adjusted, makes the diagonal brace quarter butt and horizontal line angle between 30 °~45 °;
Step 4 binds reserved steel bar on horizonal base plate component and vertical member respectively;
Step 5, using galvanized steel plain sheet waterstop as waterproof measure between the plate and plate that combination overlaps assembled plate;
Step 6 pours the hollow structure position self-compacting concrete of horizonal base plate component and vertical member;It pours mixed using self-compaction Solidifying soil C40P8 ungauged regions non-vibrated self dense concrete, the coarse aggregate size which uses is 5~20mm;The slump For 250~270mm;Divergence is 700 ± 50mm;Swelling agent is inside mixed, the contraction of concrete is compensated;
Step 7 fills vertical structure using C15 concrete after the concrete strength of horizonal base plate component and vertical member to 100% The bed course of part outer space and pipe gallery.
7. a kind of construction method for overlapping fabricated construction pipe gallery as claimed in claim 6, which is characterized in that step 6 In, concrete is poured using automotive pump, and vertical member should be layered certainly and symmetrically pour, every layer of about 1~1.5m;Concrete is seen from horizontal base It emerges in the hole of the reserved inspection hole of board member, can be vibrated with vibrating spear along the insertion of each hole, it is small to be then allowed to stand 1~2 When, then along hole secondary vibration, to eliminate the defect generated because volume of concrete shrinks, to guarantee concrete and component It combines closely.
8. a kind of construction method of overlapping fabricated construction pipe gallery as claimed in claims 6 or 7, which is characterized in that also Combination installation including horizontal top component and vertical member;Construction procedure,
Step 1, horizontal top component and vertical member use top plate superimposed sheet steel pipe support, using the top of horizontal top component Intert pin joint reinforcing bar in overlapping stitching portion between plate reserved steel bar and the vertical reserved steel bar of vertical member to fix;The top plate is folded Plywood steel pipe is set up according to designed elevation and plan-position;
Step 2 after the completion of top plate superimposed sheet steel pipe support is set up, carries out horizontal top lifting component, when overlapping mounting of roof plate, The gap of 40 ± 5mm need to be reserved with vertical member, gap is blocked using two-ply and reinforced;
Step 3, using galvanized steel plain sheet waterstop as waterproof measure between the plate and plate that combination overlaps assembled plate;
Step 4 pours the hollow structure position of horizontal top component and vertical member, using self-compacting concrete C40P8 without receipts Contracting non-vibrated self dense concrete, the coarse aggregate size which uses is 5~20mm;The slump is 250~270mm; Divergence is 700 ± 50mm;Swelling agent is inside mixed, the contraction of concrete is compensated;
Step 5 carries out sprinkling maintenance after pouring the concrete surface covering geotextiles of horizontal top component.
9. a kind of construction method of overlapping fabricated construction pipe gallery as claimed in claims 6 or 7, which is characterized in that should Pipe gallery is brushed using the layering of organic waterproof coating, uniformly or spary, connects and rubs width with the hands not less than 100mm, thickness is not less than 2mm;Deformation joint is wrapped up between two parties with 1m wide modified pitch polyethylene tyre water-proof coiled material on the outside of pipe gallery main body, after package 1: 2.5 cement sand bed of 20mm thickness is applied, inside applies closure using two-component polysulfide sealing compound.
10. a kind of construction method for overlapping fabricated construction pipe gallery as claimed in claim 8, which is characterized in that this is comprehensive Piping lane is closed using the layering of organic waterproof coating, uniformly brushing or spary, connects and rubs width with the hands not less than 100mm, thickness is not less than 2mm; Deformation joint is wrapped up between two parties with 1m wide modified pitch polyethylene tyre water-proof coiled material on the outside of pipe gallery main body, is applied after package 1: 2.5 cement sand bed of 20mm thickness, inside apply closure using two-component polysulfide sealing compound.
CN201810901528.4A 2018-08-09 2018-08-09 A kind of overlapping fabricated construction pipe gallery and its construction method Pending CN109972656A (en)

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CN111593762A (en) * 2020-04-30 2020-08-28 中国二十冶集团有限公司 Construction method for prefabricated inner partition wall of tunnel type comprehensive pipe gallery
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