CN108978716A - A kind of push-bench open cutting construction method - Google Patents
A kind of push-bench open cutting construction method Download PDFInfo
- Publication number
- CN108978716A CN108978716A CN201810897283.2A CN201810897283A CN108978716A CN 108978716 A CN108978716 A CN 108978716A CN 201810897283 A CN201810897283 A CN 201810897283A CN 108978716 A CN108978716 A CN 108978716A
- Authority
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- China
- Prior art keywords
- push
- bench
- section
- pregroove
- box culvert
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000009412 basement excavation Methods 0.000 claims abstract description 18
- 238000005065 mining Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 abstract description 10
- 239000011449 brick Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground 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
- E02D29/05—Underground 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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to brick or concrete duct field more particularly to a kind of push-bench open cutting construction methods.Method includes the following steps: excavating pregroove along design route, which is greater than the width of push-bench, and for groove in the contour region of push-bench, the width of groove is less than the width of push-bench；Push-bench is placed on to the section that originates of pregroove, and the earthwork of groove two sides is excavated since starting point, conduit jacking while excavating in push-bench rearward ejects box culvert.For open cut technique, reduce the excavation earth volume generated in mining process, excavate the reduction of earth volume, artificial and transportation cost can be reduced.For tunneling technique, the mining process of such push-bench may be implemented to visualize, landslide caused by avoiding because of unknown situation, and the cooperation of tunneling and open cut technique improves the construction efficiency of push-bench.In conclusion this method has cost of labor low, small and low risk advantage is destroyed to ground environment.
Description
Technical field
The invention belongs to brick or concrete duct field more particularly to a kind of push-bench open cutting construction methods.
Background technique
It at present include two kinds of forms of open cut and tunneling in the work progress of underground piping, wherein open cut is largely logical
Cross what excavating machinery cooperation was manually realized, tunneling is realized by equipment such as push-bench, shield machines.
Wherein, cut and cover method have the advantages that construction is simple, it is quick, Urban underground Tunnel formula engineering development initial stage is all it
As preferred excavation technology, but its that there are effect on environment is big, and excavate the big disadvantage of the earthwork.
Subsurface excavation method is not influenced by ground surface environment, is influenced on the road on ground without what when construction, but it may
Can be because unimaginable danger cause to cave in, progress is slow, expends huge, the easy restriction by geology.
Summary of the invention
(1) technical problems to be solved
For existing technical problem, the present invention provides a kind of push-bench open cutting construction method, is able to solve existing
In technology open cut have the shortcomings that excavate earth volume greatly and effect on environment is big and tunneling present in it is easy by geology
The problem of restriction.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of push-bench open cutting construction method, in which: excavate pregroove along design route, which is greater than
In the width of push-bench, groove and the contour region of push-bench, the width of groove is less than the width of push-bench；
Push-bench is placed on to the section that originates of pregroove, and the earthwork of groove two sides is dug since starting point
Pick, conduit jacking while excavating in push-bench rearward eject box culvert.
Preferably, in the mining process of pregroove, the excavation of pregroove is carried out using excavating machinery, and will excavate
Excavation mound out is placed on the two sides of pregroove.
Preferably, pregroove is dovetail groove, and the width of groove upper end is greater than the width of push-bench.
Preferably, the both ends of pregroove, which are respectively arranged with, originates section and receiver section；
Push-bench is placed on to the method for originating section of pregroove are as follows: push-bench segmentation is hung in and is originated in section, then
Originating progress assembly in section again.
Preferably, further include box culvert splicing before conduit jacking ejects box culvert backward, be provided in the rear end of push-bench
Tunnel placement storehouse, box culvert are spliced in tunnel placement storehouse；
Using hanging apparatus by box culvert section by section hang in tunnel placement storehouse, then conduit jacking is by the case in tunnel placement storehouse
Culvert ejects section by section；
Conduit jacking is by after the section box culvert ejection in tunnel placement storehouse, and the top plate of conduit jacking retreats, hanging apparatus
The new box culvert of a section is put into tunnel placement storehouse, then conduit jacking carries out ejection process, repeats this process, pre- until completing
If laying length.
Preferably, further include control to the position of push-bench, in the mining process of push-bench, to the position of push-bench
It is detected, when push-bench deviates default route, the angle between each shell section of push-bench shell is adjusted, to the position of push-bench
It sets and is finely adjusted.
It preferably, further include the backfill for excavating soil after box culvert is finished by design route laying.
It preferably, further include the starting to push-bench cutterhead before push-bench excavation, before starting is located at push-bench first
The Cutting tool of center is held, then starting is located at the orientation angle cutterhead of push-bench front end corner location, and ensures that four are determined
Parallactic angle cutterhead rotates synchronously.
(3) beneficial effect
The beneficial effects of the present invention are: push-bench open cutting construction method provided by the invention, passes through the side of open cut and tunneling
Formula combines the excavation for carrying out groove to reduce the excavation earth volume generated in mining process for open cut technique, excavates
The reduction of earth volume can reduce artificial and transportation cost, reduce influence of the accumulation because of the earthwork to environment.Relative to tunneling
For technique, the mining process of such push-bench may be implemented to visualize, landslide caused by avoiding because of unknown situation, by dark
The cooperation with open cut technique is dug, the construction efficiency of push-bench is improved.In conclusion such construction technology has cost of labor
It is low, small and low risk advantage is destroyed to ground environment.
Detailed description of the invention
Fig. 1 is the bright schematic diagram of internal structure for opening push-bench that the specific embodiment of the invention provides；
Fig. 2 is the bright main view for opening push-bench that the specific embodiment of the invention provides；
Fig. 3 is the bright bottom view for opening push-bench that the specific embodiment of the invention provides.
[description of symbols]
1: shell；2: Cutting tool；3: orientation angle cutterhead；4: screw conveyor；5: rectifying cylinder；6: push pipe oil cylinder；7:
Column；8: corrugated plating；9: reinforcing rib；10: box culvert；
11: first shell body segment；12: second shell body segment；13: third shell section；14: tunnel placement storehouse.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
The invention discloses a kind of push-bench open cutting construction methods comprising following steps: excavating along design route default
Groove, the pregroove depth are greater than the width of push-bench, and for groove in the contour region of push-bench, the width of groove is less than top
The width of pipe machine；
Push-bench is placed on to the section that originates of pregroove, and the earthwork of groove two sides is dug since starting point
Pick, conduit jacking while excavating in push-bench rearward eject box culvert.
In the present embodiment, the excavation for carrying out groove is combined by way of open cut and tunneling, relative to open cut technique
For, reduce the excavation earth volume generated in mining process, excavate the reduction of earth volume, can reduce artificial and transport at
This, reduces influence of the accumulation because of the earthwork to environment.For tunneling technique, the mining process of such push-bench can be with
Realize that visualization, landslide caused by avoiding because of unknown situation improve push-bench by the cooperation of tunneling and open cut technique
Construction efficiency.In conclusion such construction technology has cost of labor low, small and low risk to ground environment destruction is excellent
Point.
In the mining process of pregroove, the excavation of pregroove is carried out using excavating machinery, and will excavate
Excavate the two sides that mound is placed on pregroove.It further include the backfill for excavating soil after box culvert is finished by design route laying.
Pregroove is dovetail groove, and the width of groove upper end is greater than the width of push-bench.
The both ends of pregroove, which are respectively arranged with, originates section and receiver section, originates section for what push-bench was placed on pregroove
Method are as follows: push-bench segmentation is hung in and originates in section, then again originating carried out in section it is assembled.
Further include box culvert splicing before conduit jacking ejects box culvert backward, the rear end of push-bench is provided with tunnel placement
Storehouse, box culvert are spliced in tunnel placement storehouse.
Using hanging apparatus by box culvert section by section hang in tunnel placement storehouse, then conduit jacking is by the case in tunnel placement storehouse
Culvert ejects section by section.
Conduit jacking is by after the section box culvert ejection in tunnel placement storehouse, and the top plate of conduit jacking retreats, hanging apparatus
The new box culvert of a section is put into tunnel placement storehouse, then conduit jacking carries out ejection process, repeats this process, pre- until completing
If laying length.
Push-bench open cutting construction method further includes the control to the position of push-bench, right in the mining process of push-bench
The position of push-bench is detected, and when push-bench deviates default route, adjusts the angle between each shell section of push-bench shell,
The position of push-bench is finely adjusted.
It further include the starting to push-bench cutterhead before push-bench excavation, starting first is located at push-bench front end center
The Cutting tool of position, then starting is located at the orientation angle cutterhead of push-bench front end corner location, and ensures four orientation angle knives
Disk rotates synchronously.
As shown in Figure 1 to Figure 3, in the present embodiment, it additionally provides and a kind of push pipe is opened using the bright of above-mentioned construction method
Machine comprising the rear end of shell is arranged in shell 1 and conduit jacking, conduit jacking.
Conduit jacking includes top plate, push pipe oil cylinder 6 and fixing seat, and the fixed setting of fixing seat is in shell 1, top plate direction
The open end of shell is arranged, and one end of push pipe oil cylinder 6 is connect with fixing seat, and the other end is connect with top plate.
In the present embodiment, in the mining process of groove, one section of groove, the ditch are excavated using using excavating machinery first
The depth of slot is greater than the height of push-bench, and width is less than the width of push-bench, then using push-bench to the soil layer of trenched side-wall
It is cut, groove is made to reach the width of design, when push-bench is pushed ahead, by conduit jacking to its one section one of rear
The release box culvert of section, realizes mating formation for box culvert, using such bright tool of mating formation opened push-bench and carry out the excavation and box culvert of groove
There is the advantages of work efficiency is high, it is ensured that the side wall of groove is original soil layer, reduces backfill usage amount, meanwhile, it excavated
The earth volume for needing to shift in journey is less, has lower cost of labor.
The two sides on 1 top of shell are provided with a protective plate.Specifically, protective plate includes multiple equally distributed columns
7, and the corrugated plating 8 on the outside of column is set.
One end of column 7 is fixedly connected with 1 top of shell, and is additionally provided with stiffener plate between column 7 and shell 1
9.Wherein, column 7 is obliquely installed outward.
By the way that protective plate is arranged at the top of shell 1, it can prevent the excavation soil of groove two sides from falling on push-bench.
The rear end of shell 1 is also connected with one section of tunnel placement storehouse 14, and tunnel placement storehouse 14 is before being surrounded by four side plates
Both ends have the cavity type structure of opening afterwards.
14 front opening of tunnel placement storehouse is docked with the open end of shell, and on the upper end side plate in tunnel placement storehouse 14
It is provided with the feed inlet for being put into box culvert 10.
In mining process, box culvert 10 to be mated formation is put into tunnel placement storehouse by box culvert feed inlet, is then passed through
Conduit jacking is by a section ejection of box culvert in shell 1.
The center of the front end of shell 1 is provided with Cutting tool 2, and the four corners of 1 front end of shell are respectively arranged with one
Orientation angle cutterhead 3, the inside of Cutting tool 2 is arranged in orientation angle cutterhead 3, and Cutting tool 2 and orientation angle cutterhead 3 have friendship
Pitch region.Intersection region herein refers to that the two has the place intersected in the region of cutting.
Shell 1 is rectangular housing, and the periphery of Cutting tool 2 and the lateral surface for the side wall for constituting shell 1 are tangent.
The junction of 1 adjacent wall of shell be arc structure, four orientation angle cutterheads 3 respectively with corresponding arc structure phase
It cuts.
Four orientation angle cutterheads 3 respectively correspond a driving motor, and four orientation angle cutterheads 3 drive in corresponding motor
Dynamic lower synchronous rotation.
The lower part of the front end of shell 1 is provided with delivery port, and shell 1 is internally provided with the screw conveyor connecting with delivery port
4。
In the present embodiment, by the cooperation of orientation angle cutterhead 3 and Cutting tool 2, make effective cutting face of push-bench
Product can reach 90% or more, simultaneously as four orientation angle cutterheads 3 can cut the corresponding soil layer in push-bench corner
Cut, prevent because geology it is soft or hard it is uneven caused by push-bench deviate the problem of.
Along the axis direction of push-bench, arc structure is recessed inwardly setting, four orientation angle cutterheads 3 respectively with corresponding circle
Arc structure lateral surface is tangent.It is arranged by the indent of circular arc mechanism, prevents shell 1 from causing to interfere to orientation angle cutterhead 3.
Cutting tool 2 includes ring stiffener and multiple equally distributed blades, and multiple blades are with the center of circle of Cutting tool 2
Extend outward for starting point, the inside of ring stiffener and the outer end of blade connect.
Orientation angle cutterhead 3 includes multiple uniform parts positioning blades, and multiple positioning blades are with the center of circle of orientation angle cutterhead 3
Starting point extends outward.
Shell 1 includes the first shell body segment 11 and second shell body segment 12 being mutually socketed, wherein first shell body segment 11 and second
The two sides of shell section 12 are connected by one or a set of rectifying cylinder 5, and the top of the two passes through connection axis connection, connecting shaft
It can at least be rotated in the horizontal direction relative to the two with the connecting pin of first shell body segment 11 and second shell body segment 12.
By the setting of rectifying cylinder 5, the angle of push-bench can be finely adjusted, pass through the setting of connecting shaft, the company
Spindle and rectifying cylinder 5 cooperate, and make to form bikini type of attachment between first shell body segment 11 and second shell body segment 12, make the
Stability when connection or position adjust between one shell section 11 and second shell body segment 12 is stronger.
Further, the rear end of second shell body segment 12 is also socketed with third shell section 13, second shell body segment 12 and third shell
The two sides of body segment 13 are connected by one or a set of rectifying cylinder 5.By the setting of third shell section 13, push-bench is improved
The angular range of adjustment.
Sealing structure is provided between the shell section contact surface being mutually socketed.Ash can be prevented by the setting of sealing structure
Dirt enters in shell.
Connecting shaft and the specific matching relationship of shell section are as follows: be provided with mounting base on shell section, be provided in mounting base perpendicular
D-axis, the end of connecting shaft are set in vertical axes and can rotate relative to setting axis.
The rear end of shell 1 is provided with mass, is overlapped the center of gravity of shell with the centroid of shell.Because of the master of push-bench
Want structure member to be located at the front end of shell, by housing rear end be arranged mass, can make push-bench keep balance, prevent because
There is the problem of push-bench offset design route caused by top-heavy.
It is provided with station in shell 1, which includes station ontology and station connecting rod, and station ontology is logical
It crosses station connecting rod to be arranged in shell, station connecting rod is multi-segment structure, is rotation connection between adjacent segment.It is such
The station of setting form, operator can random movable operating platform position, have using and easy to operate problem.
Push-bench further includes the conduit jacking with shell split settings, and conduit jacking includes top plate, push pipe oil cylinder and fixes
Seat, one end fixing seat connection of push pipe oil cylinder, the other end are connect with top plate.Conduit jacking is used to head into box culvert is a section
In the culvert that push-bench excavates.
The technical principle of the invention is described above in combination with a specific embodiment, these descriptions are intended merely to explain of the invention
Principle shall not be construed in any way as a limitation of the scope of protection of the invention.Based on explaining herein, those skilled in the art
It can associate with other specific embodiments of the invention without creative labor, these modes fall within this hair
Within bright protection scope.
Claims (8)
1. a kind of push-bench open cutting construction method, it is characterised in that: excavate pregroove, the pregroove depth along design route
Greater than the width of push-bench, in groove and the contour region of push-bench, the width of groove is less than the width of push-bench；
Push-bench is placed on to the section that originates of pregroove, and the earthwork of groove two sides is excavated since starting point,
Conduit jacking while excavation in push-bench rearward ejects box culvert.
2. push-bench open cutting construction method according to claim 1, which is characterized in that in the mining process of pregroove
In, the excavation of pregroove is carried out using excavating machinery, and the excavation mound excavated is placed on to the two sides of pregroove.
3. push-bench open cutting construction method according to claim 1, which is characterized in that pregroove is dovetail groove, and
The width of groove upper end is greater than the width of push-bench.
4. push-bench open cutting construction method according to claim 1, which is characterized in that the both ends of pregroove are respectively set
Originate section and receiver section；
Push-bench is placed on to the method for originating section of pregroove are as follows: push-bench segmentation is hung in and is originated in section, is then existed again
It originates and carries out assembly in section.
5. push-bench open cutting construction method according to claim 1, which is characterized in that eject box culvert backward in conduit jacking
Before further include box culvert splicing, the rear end of push-bench is provided with tunnel placement storehouse, box culvert is spliced in tunnel placement storehouse；
Using hanging apparatus by box culvert section by section hang in tunnel placement storehouse, then conduit jacking by the box culvert in tunnel placement storehouse by
Section ejection；
By after the section box culvert ejection in tunnel placement storehouse, the top plate of conduit jacking retreats conduit jacking, and hanging apparatus is to tunnel
Road is put into the new box culvert of a section in positioning storehouse, and then conduit jacking carries out ejection process, repeats this process, preset until completing
Laying length.
6. push-bench open cutting construction method according to claim 1, which is characterized in that further include the position to push-bench
Control, in the mining process of push-bench, detects the position of push-bench, when push-bench deviates default route, adjustment
Angle between each shell section of push-bench shell, is finely adjusted the position of push-bench.
7. push-bench open cutting construction method according to claim 1, which is characterized in that when box culvert has been laid with by design route
It further include the backfill for excavating soil after finishing.
8. push-bench open cutting construction method according to claim 1, which is characterized in that before push-bench excavation, also wrap
The starting to push-bench cutterhead is included, starting is positioned at the Cutting tool of push-bench front end center position first, and then starting is located at top
The orientation angle cutterhead of pipe machine front end corner location, and ensure that four orientation angle cutterheads rotate synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897283.2A CN108978716B (en) | 2018-08-08 | 2018-08-08 | Open-cut construction method of push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897283.2A CN108978716B (en) | 2018-08-08 | 2018-08-08 | Open-cut construction method of push bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108978716A true CN108978716A (en) | 2018-12-11 |
| CN108978716B CN108978716B (en) | 2020-10-27 |
Family
ID=64555675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897283.2A Expired - Fee Related CN108978716B (en) | 2018-08-08 | 2018-08-08 | Open-cut construction method of push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108978716B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410577A (en) * | 2019-07-16 | 2019-11-05 | 中国建筑第八工程局有限公司 | Pipe-jacking with large diameter drag reduction construction method under miscellaneous fill geological condition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013189A (en) * | 1989-04-28 | 1991-05-07 | Kabushiki Kaisha Iseki Kaihatsu Koki | Intermediate pipe-jacking apparatus |
| CN201351497Y (en) * | 2009-02-10 | 2009-11-25 | 扬州广鑫机械有限公司 | Multi-cutter rectangle push bench |
| CN101963061A (en) * | 2010-10-19 | 2011-02-02 | 浙江省建工集团有限责任公司 | Construction method for underground box culvert of existing railway line |
| CN206468897U (en) * | 2017-01-23 | 2017-09-05 | 徐州徐工基础工程机械有限公司 | A kind of deviation correcting device of push-bench |
-
2018
- 2018-08-08 CN CN201810897283.2A patent/CN108978716B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013189A (en) * | 1989-04-28 | 1991-05-07 | Kabushiki Kaisha Iseki Kaihatsu Koki | Intermediate pipe-jacking apparatus |
| CN201351497Y (en) * | 2009-02-10 | 2009-11-25 | 扬州广鑫机械有限公司 | Multi-cutter rectangle push bench |
| CN101963061A (en) * | 2010-10-19 | 2011-02-02 | 浙江省建工集团有限责任公司 | Construction method for underground box culvert of existing railway line |
| CN206468897U (en) * | 2017-01-23 | 2017-09-05 | 徐州徐工基础工程机械有限公司 | A kind of deviation correcting device of push-bench |
Non-Patent Citations (1)
| Title |
|---|
| 郭伟等: "大口径钢筋混凝土排水管道施工新工艺——半开槽顶管施工技术介绍", 《给水排水》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410577A (en) * | 2019-07-16 | 2019-11-05 | 中国建筑第八工程局有限公司 | Pipe-jacking with large diameter drag reduction construction method under miscellaneous fill geological condition |
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| Publication number | Publication date |
|---|---|
| CN108978716B (en) | 2020-10-27 |
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Granted publication date: 20201027 Termination date: 20210808 |