CN108755757A - Quick mixed construction method based on prefabrication and assembly construction superposed type underground pipe gallery - Google Patents

Quick mixed construction method based on prefabrication and assembly construction superposed type underground pipe gallery Download PDF

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Publication number
CN108755757A
CN108755757A CN201810706191.1A CN201810706191A CN108755757A CN 108755757 A CN108755757 A CN 108755757A CN 201810706191 A CN201810706191 A CN 201810706191A CN 108755757 A CN108755757 A CN 108755757A
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China
Prior art keywords
construction
prefabrication
pipe gallery
assembly
cast
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Pending
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CN201810706191.1A
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Chinese (zh)
Inventor
韩向科
李猛
郭会来
邓伟
马哲
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China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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China MCC20 Group Corp Ltd
Shanghai Ershiye Construction Co Ltd
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Application filed by China MCC20 Group Corp Ltd, Shanghai Ershiye Construction Co Ltd filed Critical China MCC20 Group Corp Ltd
Priority to CN201810706191.1A priority Critical patent/CN108755757A/en
Publication of CN108755757A publication Critical patent/CN108755757A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/10Tunnels 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

Abstract

The present invention relates to carry out subregion segmentation based on the quick mixed construction method of prefabrication and assembly construction superposed type underground pipe gallery, including to whole underground pipe gallery;Piping lane excavation of foundation pit and bed course, bottom waterproof construction;Prefabrication and assembly construction section assembling construction, while Cast-in-Situ Segment reinforcing bar and form work engineering construction;Concreting and maintenance;Waterproof construction;Next great Qu constructions:It is sequentially completed other flowing water area piping lane main structure constructions according to above-mentioned steps;Backfill:Pipe rack to having completed checking and accepting backfills, until completing entire piping lane construction.This rapid constructing method is by underground pipe gallery subregion segmental construction, each several continuous productive process areas are divided into greatly, each continuous productive process area is further divided into Cast-in-Situ Segment and prefabrication and assembly construction section, the advantage of abundant combined cast-in-situ and prefabricated assembled construction technology, operation side is efficiently used to reach, the purpose of rapid construction.

Description

Quick mixed construction method based on prefabrication and assembly construction superposed type underground pipe gallery
Technical field
The present invention relates to the construction fields of underground pipe gallery, and prefabrication and assembly construction superposed type underground is based on more particularly to one kind The quick mixed construction method of pipe gallery.
Background technology
Now, numerous advantageous characteristics such as Urban Underground pipe gallery is comprehensive with its, long-term effect, maintainability, the feature of environmental protection, By extensive use more and more.Promotion with people to pipe gallery performance requirement, Pipe rack is increasingly complicated, construction week Phase is increasingly longer, and traditional construction technology has been difficult to meet new requirement, particularly with long range, multi-section complicated construction condition Under underground pipe gallery, it is proposed that more harsh construction requirement.
Traditional underground pipe gallery construction method generally use integral cast-in-situ mode is taken prefabricated assembled.Work as use When integral cast-in-situ mode, it is typically due to live a large amount of reinforcing bar, template and concreting engineering, causes difficulty of construction big, applies The work period is long, while construction cost is high;When using prefabricated assembled, it is larger to be typically due to prefabricated piping lane segment, causes to transport Inconvenience, at the same it is more demanding to assembled machinery, cause difficulty of construction larger.
Invention content
The construction period can be effectively shortened technical problem to be solved by the invention is to provide a kind of, and it is difficult to reduce site operation Degree reduces the quick mixed construction method of lower underground pipe gallery of construction comprehensive cost.
The technical solution adopted by the present invention to solve the technical problems is:It provides and is integrated based on prefabrication and assembly construction superposed type underground The quick mixed construction method of piping lane, is as follows:
(a) piping lane subregion is several great Qu by comprehensive pipe gallery structure feature and construction site condition under base area;It is each big In area, according to pipe gallery corridor body section size and piping lane accessory interface design feature, it is divided into several continuous productive process areas, per first-class Water operation area is further divided into Cast-in-Situ Segment and prefabrication and assembly construction section, and cross construction arrangement is carried out according to subregion striping order;
(b) according to cross construction arrangement, after carrying out the work such as precipitation and pattern foundation pit supporting structure, to the first great Qu of pipe gallery into Then row excavation of foundation pit carries out smooth cleaning to hole bottom, carries out bed course and bottom waterproof;
(c) it according to cross construction arrangement, constructs to the first flowing water operation area in the first great Qu:First to prefabricated dress It constructs with section, assembly is carried out to piping lane agent structure according to the mode of construction of prefabrication and assembly construction superposed type piping lane successively merogenesis, And form stable structural system;It constructs simultaneously, to the continuous productive process area Cast-in-Situ Segment in the first flowing water operation area prefabrication and assembly construction section The reinforced bar engineering and form work engineering of piping lane are constructed, and after waiting for that Cast-in-Situ Segment is constructed with prefabrication and assembly construction section boundary junction, are poured successively Continuous productive process area bottom plate, side plate and the concrete roof is built, concrete curing is then carried out;It is sequentially completed according to above-mentioned steps Remaining continuous productive process area piping lane construction in one great Qu;Simultaneously, excavation of foundation pit is carried out to next great Qu;
(d) waterproof construction is carried out to the first great Qu piping lane main bodys, while right successively according to above-mentioned steps (b)~step (c) Next great Qu underground pipe galleries are constructed;
(e) Pipe rack for having completed checking and accepting is backfilled, until completing entire piping lane construction.
As a supplement to the technical solution of the present invention, the underground pipe gallery in the step (b) is adopted It is constructed with cut and cover method.
Further, the great Qu of the underground pipe gallery in the step (a) and its continuous productive process area working sources are answered Reasonable distribution should not result in the work holdup.
Further, the Cast-in-Situ Segment in the step (a) is the non-standard segment part of underground pipe gallery, prefabrication and assembly construction Section is the standard paragraphs part of underground pipe gallery corridor body.
Further, in the step (c), along managing since prefabrication and assembly construction section and Cast-in-Situ Segment intersection one end when construction Corridor is longitudinally assembled, in other end prefabrication and assembly construction section and Cast-in-Situ Segment intersection, after the completion of should waiting for the assembly of prefabrication and assembly construction section piping lane, The installation of Cast-in-Situ Segment template is carried out again and reinforcing bar is laid with.
Further, the prefabrication and assembly construction section piping lane is using the form for assembling superposed type.
Further, it when Cast-in-Situ Segment is poured with prefabrication and assembly construction section underplate concrete in the step (c), is handed over wall The place of connecing should be higher by floor level 300mm or more, and steel plate for sealing water is arranged and carries out water-proofing treatment.
Preferably, Cast-in-Situ Segment and prefabrication and assembly construction section intersection are deformation joint type of attachment, then prefabrication and assembly construction section and cast-in-place Section individually casting concrete.
Preferably, Cast-in-Situ Segment and prefabrication and assembly construction section intersection be it is wet connect type of attachment, then prefabrication and assembly construction section and Cast-in-Situ Segment Continuous concrete.
Advantageous effect:The present invention is by advance subregion segmented mode, according to Pipe rack feature, sectional dimension and live item Entire piping lane is divided into several sections of roughly equal great Qu by the factors such as part, each to divide into several continuous productive process areas greatly, each Continuous productive process area is further divided into Cast-in-Situ Segment and prefabrication and assembly construction section.The non-standard segments such as accessory interface to underground pipe gallery portion Divide and constructed at the construction field (site) using cast-in-place mode, novel assembly is used to the standard paragraphs part of underground pipe gallery corridor body Superposed type erection method, the advantages of being effectively combined cast-in-place and prefabricated assembled two kinds of construction technologies.
Due to using novel assembly superposed type erection method, piping lane main body to be split as the bases such as bottom plate, side plate and top plate This component greatly facilitates the transport of prefabricated components, requirement when on-site consolidation is greatly reduced to mechanical performance;It is right It, can compared to full prefabrication system by the way of field cast-in-place in being difficult to the prefabricated non-standard segment interface position of batch production on a small quantity Effectively to reduce the project cost of the part, while the transporting of such non-standard structural element, assembled and forming difficulty are evaded, have ensured The overall stiffness and forming accuracy at crucial important interface position.
Compared to current existing construction method, situ wet operation and form erecting operation is greatly reduced, the scene of reducing is applied The working strength of work difficulty and operating worker, while key position overall stiffness and forming accuracy can be effectively ensured, effectively drop Low engineering comprehensive cost, substantially accelerates construction progress.
Description of the drawings
Fig. 1 is a preferred embodiment of the present invention big differentiation area's schematic diagram;
Fig. 2 is the areas the ① great sequence of construction figure of embodiment in Fig. 1;
Fig. 3 is the areas the ① great stepwise schematic views of embodiment in Fig. 1;
Fig. 4 is that the prefabrication and assembly construction of embodiment in Fig. 1 overlaps section sequence of construction figure.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.
As shown in Figs 1-4, embodiments of the present invention are related to based on the quick of prefabrication and assembly construction superposed type underground pipe gallery Mixed construction method, is as follows:
(a) piping lane subregion is several great Qu by comprehensive pipe gallery structure feature and construction site condition under base area;It is each big In area, according to pipe gallery corridor body section size and piping lane accessory interface design feature, it is divided into several continuous productive process areas, per first-class Water operation area is further divided into Cast-in-Situ Segment and prefabrication and assembly construction section, and cross construction arrangement, underground are carried out according to subregion striping order The subregion segmentation of pipe gallery should be reasonable, should not result in the work holdup;Cast-in-Situ Segment is the non-standard segment part of underground pipe gallery, in advance Load segment processed is the standard paragraphs part of underground pipe gallery corridor body;
(b) according to cross construction arrangement, after carrying out the work such as precipitation and pattern foundation pit supporting structure, to the first great Qu of pipe gallery into Then row excavation of foundation pit carries out smooth cleaning to hole bottom, carries out bed course and waterproof, underground pipe gallery is applied using cut and cover method Work;
(c) it according to cross construction arrangement, constructs to the first flowing water operation area in the first great Qu:First to prefabricated dress It constructs with section, assembly is carried out to piping lane agent structure according to the mode of construction of prefabrication and assembly construction superposed type piping lane successively merogenesis, And form stable structural system;It constructs simultaneously, to the continuous productive process area Cast-in-Situ Segment in the first flowing water operation area prefabrication and assembly construction section The reinforced bar engineering and form work engineering of piping lane are constructed, and after waiting for that Cast-in-Situ Segment is constructed with prefabrication and assembly construction section boundary junction, are poured successively Continuous productive process area bottom plate, side plate and the concrete roof is built, concrete curing is then carried out;It is sequentially completed according to above-mentioned steps Remaining continuous productive process area piping lane construction in one great Qu;Simultaneously, excavation of foundation pit is carried out to next great Qu;From prefabricated dress when construction Start longitudinally to be assembled along piping lane with section and Cast-in-Situ Segment intersection one end, have a common boundary in other end prefabrication and assembly construction section and Cast-in-Situ Segment Place after the completion of should waiting for the assembly of prefabrication and assembly construction section piping lane, then carries out the installation of Cast-in-Situ Segment template and reinforcing bar laying;Cast-in-Situ Segment and prefabricated dress When being poured with section underplate concrete, it should be higher by floor level 300mm or more with wall junction, and steel plate for sealing water progress is set Water-proofing treatment;
(d) waterproof construction is carried out to the first great Qu piping lane main bodys, while right successively according to above-mentioned steps (b)~step (c) Next great Qu underground pipe galleries are constructed;
(e) Pipe rack for having completed checking and accepting is backfilled, until completing entire piping lane construction.Described is pre- Load segment piping lane processed is using the form for assembling superposed type.
When Cast-in-Situ Segment and prefabrication and assembly construction section intersection are deformation joint type of attachment, then prefabrication and assembly construction section and Cast-in-Situ Segment are distinguished Independent casting concrete.
When Cast-in-Situ Segment and prefabrication and assembly construction section intersection be it is wet connect type of attachment when, then prefabrication and assembly construction section and Cast-in-Situ Segment continuously pour Build concrete.
A kind of embodiment as the present invention:
One Urban Underground pipe gallery, as shown in Figure 1, east-west, 717 meters long, standard section beam overall is 7.3m, total high Include the non-standard segments such as air inlet, exhaust outlet, escaping exit, hoisting port, line branches mouth, personnel's entrance, standard for 4.3m Section piping lane top earthing thickness about 3.0m.Piping lane complicated integral structure, site operation narrow field, construction period are tight.
The Urban Underground pipe gallery based on the quick mixed construction method packet of prefabrication and assembly construction superposed type underground pipe gallery Include following steps:
Piping lane subregion is 3 areas Ge great by comprehensive pipe gallery structure feature and construction site condition under step (a), base area, such as Shown in Fig. 1:
The 1. big section length be about 251 meters, including end well, comprehensive storehouse draining pump sump, line branches mouth, the air draft of combustion gas cabin The non-standard segments such as mouth and escaping exit and combustion gas cabin draining pump sump.
The 2. big section length be about 228 meters, including comprehensive cabin air inlet and escaping exit, comprehensive storehouse draining pump sump, pipeline point Branch mouth, combustion gas cabin hoisting port, the comprehensive non-standard segments such as cabin hoisting port and personnel's entrance.
The 3. big section length be about 238 meters, including divide transformer and distribution power station, combustion gas cabin exhaust outlet and escaping exit, comprehensive cabin air inlet The non-standard segments such as mouth and escaping exit, comprehensive cabin hoisting port.
Cast-in-Situ Segment is divided into using cast-in-place concrete construction technique to above-mentioned non-standard segment, remaining standard paragraphs is using prefabricated Assembly method is constructed, and prefabrication and assembly construction section is divided into.
From according to the areas ① great → areas the ② great → areas ③ great sequential deployment construction operation.
Step (b) after carrying out the work such as precipitation and pattern foundation pit supporting structure, carries out excavation of foundation pit, so to the areas pipe gallery ① great Smooth cleaning is carried out to hole bottom afterwards, carries out bed course;
Step (c), as shown in Fig. 2, 1. dividing into 2 continuous productive process areas greatly by the, specific segmentation is as shown in figure 3, the 1st stream Water operation area includes 1-1,1-2,2-1,2-2 sections, and wherein 1-1 and 2-1 are Cast-in-Situ Segment, and 1-2 and 2-2 are prefabrication and assembly construction section;2nd stream Water operation area includes 3-1,3-2,4-1,4-2 sections, and wherein 3-1 and 4-1 are Cast-in-Situ Segment, and 3-2 and 4-2 are prefabrication and assembly construction section.1-1 with 1-2 intersects at J1, is connected by deformation joint form;1-2 intersects with 2-1 at J2, and form connection is connect by wet;2-1 and 2-2 Intersect at J3, is connected by deformation joint form;2-2 intersects with 3-1 at J4, and form connection is connect by wet;3-1 and 3-2 exists Intersect at J5, is connected by deformation joint form;3-2 intersects with 4-1 at J6, is connected by deformation joint form;4-1 and 4-2 exists Intersect at J7, is connected by deformation joint form.
Step (c), which implements, is divided into following steps:
Step (c-1):It constructs first to the 1st continuous productive process area.Construction, prefabrication and assembly construction are started simultaneously at from J1 and J3 Section 1-2,2-2 promote from J1, J3 assembled successively from left to right respectively.As shown in figure 4, first carrying out bed course A constructions, then it is laid with Bottom plate B re-lays wallboard C-1, C-2, C-3, until 1-2,2-2 sections of assembly finish.At the same time, Cast-in-Situ Segment 1-1,2-1 from J1, Start at J2, promote assembling reinforcement and support shuttering until finishing from right to left, it is first assembled that 1-2 sections of final sections should be controlled at J2 After, re-lay the reinforcing bar and template of the 2-1 sections of ends at J2.
Step (c-2):To 1-1 sections of progress concreting in the 1st continuous productive process area, while 1-2 sections and 2-1 sections are carried out Underplate concrete pours, as shown in figure 4, wherein in the concreting of wallboard junction at plate top surface 300mm S1. Wait for that underplate concrete reaches some strength, be laid with 1-2 sections of top plate supportings and top plate, then uniformly pour 1-2 and 2-1 sections of wall and Concrete roof.At the same time, it constructs to the 2nd continuous productive process area.Construction, prefabrication and assembly construction section are started simultaneously at from J5 and J7 3-2,4-2 promote assembly successively from left to right from J5, J7 respectively, until assembly finishes.Meanwhile Cast-in-Situ Segment 3-1,4-1 from J5, Start at J7, promotes assembling reinforcement and support shuttering from right to left until finishing.It is first assembled that 3-2 sections of final sections should be controlled at J6 After, re-lay the reinforcing bar and template of the 4-1 sections of ends at J6.
Step (c-3):Underplate concrete is carried out to 2-2 sections and 3-1 sections, 3-2,4-1 and 4-2 sections to pour, wherein in wallboard Junction concreting is at plate top surface 300mm.Wait for that underplate concrete reaches some strength, be laid with 2-2,3-2 and Then 4-2 sections of top plate supportings and top plate pour 2-2 and 3-1 sections, 3-2,4-1 and 4-2 sections of walls and concrete roof, directly respectively It is finished to the 1st continuous productive process area pipe Pipe rack main body construction;At the same time, excavation of foundation pit is carried out to the areas ② great.
Step (d):Waterproof construction is carried out to the areas ① great piping lane main body;
Step (e):It constructs to the areas ② great according to step (b)~step (c), meanwhile, base is carried out to the areas ③ great It excavates in hole;
Step (f):Region to completing checking and accepting in the areas ① great piping lane backfills, while the areas ② great piping lane master Body carries out waterproof construction;
Step (g):It constructs to the areas ③ great according to step (b)~step (c).
Step (h):Region to completing checking and accepting in the areas ② great piping lane backfills, while the areas ③ great piping lane master Body carries out waterproof construction;
Step (i):Region to completing checking and accepting in the areas ③ great piping lane backfills, until entire piping lane main body knot Structure construction terminates.
The present invention forms effective continuous productive process by advance subregion segmented mode as can be seen from the above embodiments, So that construction operation resource is effectively used, substantially accelerate construction progress;By great Qu inner tissues cross construction, and distinguish existing The advantages of pouring section and prefabrication and assembly construction section, being effectively combined cast-in-place and prefabricated assembled two kinds of construction technologies is greatly reduced existing Field wet construction and form erecting operation, reduce site operation difficulty and the working strength of operating worker, while pass can be effectively ensured Key position overall stiffness and forming accuracy effectively reduce engineering comprehensive cost.

Claims (9)

1. the quick mixed construction method based on prefabrication and assembly construction superposed type underground pipe gallery, is as follows:
(a) piping lane subregion is several great Qu by comprehensive pipe gallery structure feature and construction site condition under base area;In each great Qu, According to pipe gallery corridor body section size and piping lane accessory interface design feature, it is divided into several continuous productive process areas, each flowing water is made Industry area is further divided into Cast-in-Situ Segment and prefabrication and assembly construction section, and cross construction arrangement is carried out according to subregion striping order;
(b) according to cross construction arrangement, after carrying out the work such as precipitation and pattern foundation pit supporting structure, base is carried out to the first great Qu of pipe gallery Hole is excavated, and is then carried out smooth cleaning to hole bottom, is carried out bed course and bottom waterproof;
(c) it according to cross construction arrangement, constructs to the first flowing water operation area in the first great Qu:First to prefabrication and assembly construction section It constructs, assembly, and shape is carried out to piping lane agent structure according to the mode of construction of prefabrication and assembly construction superposed type piping lane successively merogenesis At stable structural system;It constructs simultaneously, to the continuous productive process area Cast-in-Situ Segment piping lane in the first flowing water operation area prefabrication and assembly construction section Reinforced bar engineering and form work engineering construction pour this successively after waiting for the construction of Cast-in-Situ Segment and prefabrication and assembly construction section boundary junction Continuous productive process area bottom plate, side plate and concrete roof, then carry out concrete curing;It is big it to be sequentially completed first according to above-mentioned steps Remaining continuous productive process area piping lane construction in area;Simultaneously, excavation of foundation pit is carried out to next great Qu;
(d) waterproof construction is carried out to the first great Qu piping lane main bodys, while according to above-mentioned steps b~step c successively to next great Qu Underground pipe gallery is constructed;
(e) Pipe rack for having completed checking and accepting is backfilled, until completing entire piping lane construction.
2. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:Underground pipe gallery in the step (b) is constructed using cut and cover method.
3. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:The great Qu and its continuous productive process area working sources of underground pipe gallery in the step (a) answer reasonable distribution, It should not result in the work holdup.
4. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:Cast-in-Situ Segment in the step (a) is the non-standard segment part of underground pipe gallery, and prefabrication and assembly construction section is underground The standard paragraphs part of pipe gallery corridor body.
5. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:In the step (c), when construction since prefabrication and assembly construction section and Cast-in-Situ Segment intersection one end along piping lane it is longitudinal into Luggage is matched, and in other end prefabrication and assembly construction section and Cast-in-Situ Segment intersection, after the completion of should waiting for the assembly of prefabrication and assembly construction section piping lane, then is showed It pours section template installation and reinforcing bar is laid with.
6. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:The prefabrication and assembly construction section piping lane is using the form for assembling superposed type.
7. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:When Cast-in-Situ Segment is poured with prefabrication and assembly construction section underplate concrete in the step (c), height is being answered with wall junction Go out floor level 300mm or more, and steel plate for sealing water is set and carries out water-proofing treatment.
8. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:Cast-in-Situ Segment is that deformation joint type of attachment, then prefabrication and assembly construction section and Cast-in-Situ Segment are single respectively with prefabrication and assembly construction section intersection Only casting concrete.
9. the quick mixed construction method according to claim 1 based on prefabrication and assembly construction superposed type underground pipe gallery, It is characterized in that:Cast-in-Situ Segment connects type of attachment with prefabrication and assembly construction section intersection to be wet, then prefabrication and assembly construction section and Cast-in-Situ Segment continuous placing Concrete.
CN201810706191.1A 2018-06-29 2018-06-29 Quick mixed construction method based on prefabrication and assembly construction superposed type underground pipe gallery Pending CN108755757A (en)

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Publication number Priority date Publication date Assignee Title
CN109778865A (en) * 2018-12-19 2019-05-21 上海建工集团股份有限公司 A kind of piping lane subregion excavation method guaranteeing that existing road half range is current
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Application publication date: 20181106