CN105484762A - Construction method for opening of lateral large hole in large-section jacking pipe - Google Patents
Construction method for opening of lateral large hole in large-section jacking pipe Download PDFInfo
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- CN105484762A CN105484762A CN201510852674.9A CN201510852674A CN105484762A CN 105484762 A CN105484762 A CN 105484762A CN 201510852674 A CN201510852674 A CN 201510852674A CN 105484762 A CN105484762 A CN 105484762A
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- Prior art keywords
- ring plate
- ring
- steel pipe
- floor
- sections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a construction method for opening of a lateral large hole in a large-section jacking pipe. Two or more steel pipe sections are connected successively in the longitudinal direction to form an open-hole type jacking pipe piece structure in a jacking pipe working well, and after the adjacent steel pipe sections are connected and fastened through bolt components, a continuous hole is opened in the lateral faces of at least two steel pipe sections. The open-hole type jacking pipe piece structure is formed by successive connection of the steel pipe sections in the jacking pipe working well, and accordingly the hoisting difficulty and the requirement for the hoisting site can be reduced, and the size of the working well is reduced. Structural strength at joints is guaranteed so that holes large in size can be opened in the two or more steel pipe sections and at the joints of the steel pipe sections, and the situations of heavy pipe pieces, difficulties in hoisting and deviation rectifying and the like caused by opening of the large hole in the same reinforced concrete pipe piece are prevented. The construction method can be applied to jacking pipe construction.
Description
Technical field
The present invention relates to big cross section pipe-jacking technology field, what particularly relate to that a kind of big cross section push pipe side direction opens large hole performs method.
Background technology
When building municipal pipeline in city, the normal small diameter pipe jacking method that adopts is constructed.In recent years along with the development in city, the application of big cross section push pipe was more and more extensive, as Urban Underground walkway, Urban Underground electric power tunnel, Urban Underground pipe gallery etc.
Along with the development in pluralism in city, some building needs to be connected with push pipe section side direction, such as push pipe formula underground pedestrian passageway is connected with surrounding properties basement or subway tunnel mouth side direction, and push pipe formula underground pipe gallery side direction is opened access and picked out connector etc.
Current big cross section push pipe section of jurisdiction generally adopts rectangle (or circular or horse tellurium shape) monolithic reinforced-concrete section of jurisdiction, and as shown in Figure 1, section of jurisdiction 11 adopts reinforced concrete cast-in-situ prefabricated in factory or place.Big cross section push pipe monolithic reinforced-concrete section of jurisdiction longitudinal length is owing to being subject to the impacts such as transport, lifting and place, general longitudinal length is about about 2.0m, the hole such as injected hole, hole for hoist has been reserved during prefabricated reinforced concrete section of jurisdiction, the landing edge of section of jurisdiction and section of jurisdiction adopts " spigot-and-socket " joint, as Fig. 2, it comprise fixing with outside last endless tube sheet 12 and together with the steel collar 13 of jacking, forward and backward endless tube loop 12,14 and be arranged at veneer or the flexible material 15 of front and back two endless tube strip terminal place.
Because section of jurisdiction longitudinally connects employings " spigot-and-socket " joint, each endless tube sheet is connected more weak with the longitudinal direction of another endless tube sheet, if needs to punch mouth in section of jurisdiction side direction, the section of jurisdiction of the mouth that punches must be same endless tube sheet in the vertical.But, when required big cross section push pipe punch the size at hole larger time, according to monolithic reinforced-concrete section of jurisdiction, then make that this section of jurisdiction longitudinal length is long, build is huge, deadweight is very heavy, larger trouble is brought to the lifting of section of jurisdiction, transport and place, and this longer reinforced concrete segment correction difficulty, use to the later stage and bring impact, this longer monolithic reinforced-concrete section of jurisdiction can increase the size of upper pipe working well simultaneously, increases construction costs.
Summary of the invention
In order to overcome the problems referred to above, what the object of the present invention is to provide a kind of big cross section push pipe side direction being convenient to implement to open large hole performs method.
The technical solution adopted in the present invention is:
A kind of open large hole for big cross section push pipe side direction perform method, in upper pipe working well, the steel pipe sections of two or more is longitudinally in turn connected into the shape of the mouth as one speaks push pipe tunnel segment structure that punches, adjacent steel pipe sections is connected and fixed by bolt member, after push pipe jacking construction completes, establish a continuous print hole needing punch at least two sections of steel pipe sections side openings of mouth of side direction.
As a further improvement on the present invention, it is inner that the bolt member connecting adjacent steel tube segment is hidden in the shape of the mouth as one speaks push pipe tunnel segment structure that punches, what keep punching outside shape of the mouth as one speaks push pipe tunnel segment structure is smooth-going, and in the jack-in process of section of jurisdiction, bolt member can not impact periph-eral equipment, equipment.
As a further improvement on the present invention, each described steel pipe sections comprises some ring floors, some vertical floors, outer ring plate and inner ring plate, ring floor is circlewise placed in outer ring plate circlewise according to longitudinal separation pitch requirements, ring floor and the welding of outer ring plate connecting place, afterwards inner ring plate is circlewise placed on the inner side of ring floor, inner ring plate and the welding of ring floor connecting place, vertical floor is into strips required to be stuck between two between ring floor according to hoop interval pitch, and vertical floor welds with outer ring plate, inner ring plate, ring floor connecting place.By vertical floor, ring floor, outer ring plate and inner ring plate are coupled together, ensure structural strength and the resistance to overturning of every section of steel pipe joint intersegmental part.
As a further improvement on the present invention, described inner ring plate comprises the sections ring of the multistage separation of arranging along steel pipe sections longitudinal separation, and each sections ring all connects a ring floor.
As a further improvement on the present invention, be positioned at prepared screw-bolt hole on two relative ring floors of steel pipe sections end, adjacent steel pipe sections, by after being positioned at two relative ring floors docking of respective end, adopts the bolt member that mates with bolt hole to be connected and fixed.
As a further improvement on the present invention, the two ends of outer ring plate are made into concave-convex type, make steel pipe sections connect after formed punch shape of the mouth as one speaks push pipe tunnel segment structure can with front and back endless tube sheet in the vertical " spigot-and-socket " be connected.
As a further improvement on the present invention, the joint face of two ring floors that adjacent steel tube segment end is relative arranges waterproof sealing structure.
As a further improvement on the present invention, roll outer ring plate, inner ring plate and ring floor according to dimensional requirement at factory's cold rolling forming with plate bending rolls, roll according to the large wisp outer ring plate of size, inner ring plate and the segmentation on hoop of ring floor, convenient construction.
The invention has the beneficial effects as follows: the shape of the mouth as one speaks push pipe tunnel segment structure that punches of the present invention is longitudinally connected in sequence by steel pipe sections in upper pipe working well, hoisting difficulty and lifting site requirements can be reduced, reduce the size of active well; Adjacent steel pipe sections adopts bolt member to be connected and fixed, ensure that the structural strength of junction, therefore, larger-size hole can be opened on the steel pipe sections of two sections or more and the junction of steel pipe sections, thus avoids offer the problems such as section of jurisdiction that large hole is brought is heavy, lifting is difficult, correction difficulty on same reinforced concrete segment.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described.
Fig. 1 is big cross section push pipe section of jurisdiction hoop elevation in conventional art;
Fig. 2 is the schematic diagram of big cross section push pipe section of jurisdiction landing edge in conventional art;
Fig. 3 is the hoop elevation of the present embodiment steel pipe sections;
Fig. 4 is the longitudinal sectional view of the present embodiment steel pipe sections;
Fig. 5 is the hoop sectional view of the present embodiment steel pipe sections;
Fig. 6 is the schematic diagram before the relative ring floor in adjacent steel tube segment end connects;
Fig. 7 is the schematic diagram after the relative ring floor in adjacent steel tube segment end connects;
Fig. 8 is that the shape of the mouth as one speaks push pipe tunnel segment structure side direction that punches punches a mouthful plan view.
Detailed description of the invention
The shape of the mouth as one speaks push pipe tunnel segment structure that punches in the present embodiment, as shown in Fig. 6,7 and 8, is longitudinally connected in sequence by the steel pipe sections 1 of two or more.Adjacent steel pipe sections 1 is connected and fixed by bolt member 6, and these bolt members 6 are designed to be hidden in and punch in shape of the mouth as one speaks push pipe tunnel segment structure and do not expose.
With reference to figure 3 to Fig. 5, the steel pipe sections 1 of every section is welded by ring floor 2, vertical floor 5, outer ring plate 3 and inner ring plate 4, and ring floor 2, vertical floor 5, outer ring plate 3 and inner ring plate 4 are steel plate, and therefore steel pipe sections 1 is steel beam column.
Wherein, all circlewise, outer ring plate 3 is positioned at the periphery of inner ring plate 4 for the outer ring plate 3 of every section of steel pipe sections 1 and inner ring plate 4, and outer ring plate 3 is provided with reserved injected hole 10.Some ring floors 2 arrange along the longitudinal separation of this section of steel pipe sections 1, and after each steel pipe sections 1 connects, all ring floors 2 are along the longitudinal arrangement of jacking pipe structure.One end of described ring floor 2 is welded and fixed outer ring plate 3, and the other end is fixedly welded on inner ring plate 4.
In embodiment, be positioned at the link that two relative ring floors of every section of steel pipe sections 1 end are two steel pipe sections, when two lengths of steel pipes joints connect, two ring floors are docking together, and be connected and fixed by bolt member 6 is removable, form the shape of the mouth as one speaks push pipe tunnel segment structure that punches after connecting.The two ends of outer ring plate 3 are concaveconvex structure in addition, are conveniently connected with " spigot-and-socket " of front and back tube coupling.
In embodiment, the inner ring plate 4 of every section of steel pipe sections 1 is made up of multistage sections ring.These sections rings are axial arranged and mutually separate along steel pipe sections 1, and each sections ring is all connected and fixed with outer ring plate 3 by a ring floor 2.Compared to the inner ring plate 4 that monoblock is vertically arranged, the inner ring plate 4 be made up of the sections ring of multiple separation not only can save material, alleviates the weight of steel pipe sections 1, returns the connection vacating space between two sections of steel pipe sections 1.
As further preferred embodiment, some vertical floors 5 are provided with between the adjacent ring floor 2 of every section of steel pipe sections 1, each vertical floor 5 along this section of steel pipe sections 1 two adjacent ring floors between hoop be spaced, the end of described vertical floor 5 is fixedly connected with inner ring plate 4, outer ring plate 3 and two adjacent ring floors 2 respectively.These vertical floors are mainly used in the resistance to overturning of reinforcement steel pipe sections 1 and bear thrust force.
As further preferred embodiment, with reference to figure 6 to Fig. 8, the relative ring floor 3 in adjacent steel tube segment 1 end two is connected by bolt member 6, and bolt connecting mode not only ensures enough intensity, and dismounting is also very convenient.
In embodiment, be provided with waterproof sealing structure between the two ring floors 2 that steel pipe sections 1 end is relative, comprise the sealing material 8 of elastic sealing gasket 7 and water-swellable, ensure the waterproof effect at two ring floor mating face places.
Above-mentioned jacking pipe structure and the construction method offering large scale hole on this jacking pipe structure comprise the following steps:
Step one: required machined steel structural panel surface is after antirust red lead primer twice are brushed by factory, then brushing acroleic acid modified polysiloxane class anticorrosive paint on the whole.
Step 2: roll outer ring plate, inner ring plate and ring floor according to dimensional requirement cold rolling forming at factory's plate bending rolls.Because outer ring plate, inner ring plate and ring floor hoop size are comparatively large, can roll according to the large wisp outer ring plate of size, inner ring plate and the segmentation on hoop of ring floor, and then be welded into ring-type.
Step 3: ring floor is circlewise placed in outer ring plate circlewise according to longitudinal separation pitch requirements, in ring floor and the welding of outer ring plate connecting place, weld seam circularizes.
Step 4: inner side inner ring plate being circlewise placed on ring floor according to longitudinal separation pitch requirements, in inner ring plate and the welding of ring floor connecting place, weld seam circularizes.
Step 5: vertical floor is into strips required to be stuck between two between ring floor according to hoop interval pitch, welds at vertical floor and outer ring plate, inner ring plate connecting place.
Step 6: the sealing material arranging elastic sealing gasket and water-swellable on the two ring floors that two adjacent steel pipe sections ends are relative as requested, ensures the waterproof effect of joint face.
Step 7: reserved injected hole in outer ring plate relevant position, circumferentially reserved good bolt hole on the two ring floors that two adjacent steel pipe sections are connected.
Step 8: steel pipe sections is sealed up for safekeeping and is transported to jacking construction scene, and steel pipe segment lifting is entered in upper pipe working well.
Step 9: push pipe jacking, when needs jacking punches shape of the mouth as one speaks push pipe tunnel segment structure, the bolt hole on the two ring floors in active well, two steel pipe sections connected tights a bolt, and defines a domain side direction and to punch shape of the mouth as one speaks push pipe tunnel segment structure jacking.
Step 10: after all section of jurisdiction jackings put in place, as required at the shape of the mouth as one speaks push pipe tunnel segment structure side cutting of steel component that punches, offer large-sized hole 9, this hole 9 is opened in the side of two or more steel pipe sections.After hole is opened, be connected with the open cut of side direction or tunneling interface channel.The scope of punching cuts off the steel beam column brushing anticorrosive paint of rear port position.
The above is the preferred embodiment of the present invention, and it does not form limiting the scope of the invention.
Claims (8)
1. what a big cross section push pipe side direction opened large hole performs method, it is characterized in that: in upper pipe working well, the steel pipe sections of two or more is longitudinally in turn connected into the shape of the mouth as one speaks push pipe tunnel segment structure that punches, adjacent steel pipe sections is connected and fixed by bolt member, establishes a continuous print hole afterwards at least two sections of steel pipe sections side openings.
2. what big cross section push pipe side direction according to claim 1 opened large hole performs method, it is characterized in that: it is inner that the bolt member connecting adjacent steel tube segment is hidden in the shape of the mouth as one speaks push pipe tunnel segment structure that punches.
3. what big cross section push pipe side direction according to claim 1 and 2 opened large hole performs method, it is characterized in that: each described steel pipe sections comprises some ring floors, some vertical floors, outer ring plate and inner ring plate, ring floor is circlewise placed in outer ring plate circlewise according to longitudinal separation pitch requirements, ring floor and the welding of outer ring plate connecting place, afterwards inner ring plate is circlewise placed on the inner side of ring floor, inner ring plate and the welding of ring floor connecting place, vertical floor is into strips required to be stuck between two between ring floor according to hoop interval pitch, vertical floor and outer ring plate, inner ring plate, ring floor connecting place welds.
4. what big cross section push pipe side direction according to claim 3 opened large hole performs method, it is characterized in that: described inner ring plate comprises the sections ring that the multistage arranged along steel pipe sections longitudinal separation is separated, and each sections ring all connects a ring floor.
5. what big cross section push pipe side direction according to claim 3 opened large hole performs method, it is characterized in that: be positioned at prepared screw-bolt hole on two relative ring floors of steel pipe sections end, adjacent steel pipe sections, by after being positioned at two relative ring floors docking of respective end, adopts the bolt member that mates with bolt hole to be connected and fixed.
6. what big cross section push pipe side direction according to claim 3 opened large hole performs method, it is characterized in that: the two ends of outer ring plate are made into concave-convex type.
7. what big cross section push pipe side direction according to claim 5 opened large hole performs method, it is characterized in that: the joint face of the two ring floors that adjacent steel tube segment end is relative arranges waterproof sealing structure.
8. what big cross section push pipe side direction according to claim 3 opened large hole performs method, it is characterized in that: roll outer ring plate, inner ring plate and ring floor according to dimensional requirement at factory's cold rolling forming with plate bending rolls, roll according to the large wisp outer ring plate of size, inner ring plate and the segmentation on hoop of ring floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852674.9A CN105484762B (en) | 2015-11-27 | 2015-11-27 | What big cross section push pipe laterally opened big hole performs method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852674.9A CN105484762B (en) | 2015-11-27 | 2015-11-27 | What big cross section push pipe laterally opened big hole performs method |
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| Publication Number | Publication Date |
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| CN105484762A true CN105484762A (en) | 2016-04-13 |
| CN105484762B CN105484762B (en) | 2018-02-13 |
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| CN201510852674.9A Active CN105484762B (en) | 2015-11-27 | 2015-11-27 | What big cross section push pipe laterally opened big hole performs method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642564A (en) * | 2019-11-11 | 2020-01-03 | 重庆大学 | Crude polypropylene-basalt hybrid fiber prefabricated hard fiber concrete, jacking pipe and manufacturing method |
| CN111485908A (en) * | 2020-04-16 | 2020-08-04 | 浙江大学城市学院 | Grid-shaped shield tunnel segment structure and construction method |
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2015
- 2015-11-27 CN CN201510852674.9A patent/CN105484762B/en active Active
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| CN1912258A (en) * | 2006-08-07 | 2007-02-14 | 上海市隧道工程轨道交通设计研究院 | Tunnel processing system suitable for large stratigraphic uniform sedimentation or dislocation |
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| CN102733829A (en) * | 2011-04-07 | 2012-10-17 | 上海市电力公司 | Water-proof structure of tunnel lining joint in shield-method construction |
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| 郝鑫等: "地下对接技术在大口径顶管工程中的应用", 《上海建设科技》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642564A (en) * | 2019-11-11 | 2020-01-03 | 重庆大学 | Crude polypropylene-basalt hybrid fiber prefabricated hard fiber concrete, jacking pipe and manufacturing method |
| CN110642564B (en) * | 2019-11-11 | 2021-09-24 | 重庆大学 | Crude polypropylene-basalt hybrid fiber prefabricated hard fiber concrete, jacking pipe and manufacturing method |
| CN111485908A (en) * | 2020-04-16 | 2020-08-04 | 浙江大学城市学院 | Grid-shaped shield tunnel segment structure and construction method |
| CN111485908B (en) * | 2020-04-16 | 2022-03-29 | 浙江大学城市学院 | Grid-shaped shield tunnel segment structure and construction method |
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| CN105484762B (en) | 2018-02-13 |
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Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District Patentee after: Guangzhou municipal engineering design and Research Institute Co., Ltd. Address before: 510060 No. 348 East Ring Road, Guangzhou, Guangdong Patentee before: Guangzhou City Engineering Design studies total institute |
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