CN105804115A - Integrated construction device and construction method for fabricated diaphragm wall or precast pile and fabricated underground station - Google Patents
Integrated construction device and construction method for fabricated diaphragm wall or precast pile and fabricated underground station Download PDFInfo
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- CN105804115A CN105804115A CN201610112478.2A CN201610112478A CN105804115A CN 105804115 A CN105804115 A CN 105804115A CN 201610112478 A CN201610112478 A CN 201610112478A CN 105804115 A CN105804115 A CN 105804115A
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- underground station
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an integrated construction device and a construction method for a fabricated diaphragm wall or a precast pile and a fabricated underground station. The construction device comprises a gantry crane with a lifting machine. The gantry crane comprises a transverse gantry crane beam and two supporting frames used for supporting the transverse gantry crane beam. The two supporting frames are arranged the two sides of a foundation pit to be excavated. At least one sliding rail is arranged at the bottom of the transverse gantry crane beam, and a grab machine is fixed to one sliding rail. The inner sides of the two supporting frames are each fixedly provided with a slot milling machine. The integrated construction device and the construction method for the fabricated diaphragm wall or the precast pile and the fabricated underground station have the beneficial effects that the slot milling machines, the grab machine and the lifting machine are combined together through the gantry crane, so that movement of the machines is facilitated; meanwhile, exit and entrance time of the machines is shortened, and the construction period is greatly shortened; the method has the advantages of being capable of increasing the construction speed, shortening the construction period, being low in environmental pollution, achieving industrial production and the like.
Description
Technical field
The present invention relates to underground structrue engineering field, particularly relate to assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device and construction method.
Background technology
Traditional underground station construction carries out frequently with cut and cover method, cap excavation method or shield method, and these underground station methods of construction all have some limitations, and can only be suitable for for a certain special geology or environmental condition.Progress along with Construction Technique of Underground Works and new material processing technology, occur in that the new method adopting prefabricated components modularity, My Perspective On The Co-building underground station, the method has that environmental pollution is little, speed of application fast, efficiency high, has vast potential for future development.
Chinese patent CN104762990A provides one modularly debarkation stop method of construction, first every ring of station structure is all divided into combinable base plate prefabricated components, top board prefabricated components and side wall prefabricated components before construction；Substrate pads layer construction is first carried out during construction；Then reaction frame is set；Afterwards near reaction frame assembly head ring, with steel plate, head boxing is connected on reaction frame after cyclization, afterwards other ring assembled successively, and to prefabricated components upper tenon groove mortar depositing construction while each ring is assembled.This method increase working procedure, reduce efficiency of construction.
Chinese patent CN104674846A discloses a kind of construction method utilizing precast construction lid to dig underground station, which employs the prefabricated respective members of outer batch production on construction ground, then utilize pile press machine by the position of prefabricated fender post, stand column pile press-in designing requirement on construction ground, carry out excavation of foundation pit, build the collar tie beam that bears down on one, horizontal support, lay prefabricated superimposed sheet, pouring structure top board, then the backfill top earthwork, continue downward earth excavation afterwards, build negative one layer of base plate, build sole plate and building abutment wall, complete underground station construction.The method takes step-by-step construction, considerably increases working procedure, extends construction period.
Summary of the invention
It is an object of the invention to provide and join formula ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device and construction method.It relate to a kind of pattern foundation pit supporting structure, excavation and station assembling integrated construction, improves efficiency of construction, reduces environmental pollution, reduce construction costs, contributes to promoting further the process of underground engineering industrialization.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
Assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device, including the straddle truck being provided with lifting machine, straddle truck includes horizontal gantry hanging beam and for supporting two bracing frames of horizontal gantry hanging beam, two bracing frames are respectively arranged on the both sides estimating excavation pit, it is provided with at least one slide rail in the bottom of horizontal gantry hanging beam, wherein grab claw fixed by a slide rail, each in the inner side of two bracing frames fix a slotter；By lifting machine, grab claw and slotter being may be contained within a straddle truck, straddle truck moves, and drives the movement of all devices simultaneously, saves going out entry time of device, and machine simultaneously or single running, can be greatly saved the construction period.
Further, being respectively equipped with roller in the bottom of two bracing frames, roller coordinates with the long rails being located at foundation ditch both sides；The movement of straddle truck, drives each machine on straddle truck to move；Compared to machine one by one, facilitate the movement to these machines, save man-hour simultaneously.
Further, also include controlling device, control device and be individually connected with the control system of lifting machine, grab claw and slotter, by controlling device unification, these machines are uniformly controlled, save manpower.
Further, also including remote controller, remote controller, is realized remotely controlling by remote controller, it is ensured that construction safety by being wirelessly or non-wirelessly connected with described control device.
Adopt the assembled ground-connecting-wall of above-mentioned constructing device or the construction method of prefabricated pile and assembled underground station, specifically comprise the following steps that
1) constructing device is placed in the original position of underground station boundary of works area；
2) slotter is controlled in original position along with the mobile stage excavation groove of straddle truck is to set depth；
3), after grooving, control lifting machine and do assembled ground-connecting-wall；Or control lifting machine arrange with independent piling machine and be pressed into prefabricated pile；
4) control grab claw from one end stage excavation of foundation ditch to foundation ditch bottom, and welded steel beam be successively set support the ground-connecting-wall of both sides or prefabricated pile；
5) from down to up the component of underground station is carried out assembly；
6) building underground station internal structure, after completing, earthing backfills, and completes underground station construction.
Further, in step 3) in adopt in real time the perpendicularity of testing apparatus for verticality detection assembled ground-connecting-wall or prefabricated pile.
Further, in step 5) in the component of underground station include middle part base plate, bottom side plate two pieces L-shaped, the framed side wallboard being located at both sides, subway station and at least two blocks of crown plates.
Further, described middle part base plate, bottom side plate, framed side wallboard and crown plate are prefabricated by armored concrete.
Further, in described step 3) in when doing ground-connecting-wall or prefabricated pile, it is necessary first to ground-connecting-wall or prefabricated pile locating rack are installed in the groove excavated.
Further, when assembled framed side wallboard, perpendicularity and the flatness of side wall need to be detected in real time.
The operation principle of the present invention is: according to the integral layout of underground station, agent structure each several part is divided into can precast assembly component, mainly combined by precast member for reinforcing bar concrete.Load segment structure is made up of prefabricated components, including: middle part base plate, bottom side plate two pieces L-shaped, the framed side wallboard being located at both sides, subway station and at least two blocks of crown plates.Station main body is double-layer double-span formula station, and the component hoop contact surface of underground station is that tongue-and-groove connects, and arranges location shear-pin in tongue-and-groove, and tongue-and-groove leaves gap the lubricant such as filling butter therein, is beneficial to the connection between prefabricated components；In underground station, floor adopts cast-in-place structural, buries straight thread connector and adopt mechanical connection with floor bar in component；Assembled ground-connecting-wall is made up of perpendicular type and Z-type prefabricated components, plays pattern foundation pit supporting structure effect；Construction machinery is combination straddle truck, is mainly made up of slotter, hydraulic grab machine and lifting machine, can carry out grooving, excavation of foundation pit and lifting institutional operation.Sequence of construction, first with slotter grooving, press-in assembled ground-connecting-wall or prefabricated pile, then utilizes hydraulic grab stage excavation, carries out station assembly, last cast-in-place station internal structure according still further to sequence of construction from lower to upper, and earthing backfills, and completes station construction.
The invention has the beneficial effects as follows:
1) slotter, grab claw and lifting machine being combined by straddle truck, facilitate the movement to these machines, meanwhile, that has saved these machines goes out entry time, is greatly saved the construction period.
2) action of each mechanism is controlled by controlling device or remote controller collaborative, easy to control, simple, simultaneously, it is to avoid each machine operationally, is provided with the situation of one or more staff, saves manpower.
3) method of the present invention can improve speed of application, shortens the construction period, and environmental pollution is little, it may be achieved the advantages such as industrialization production.
Accompanying drawing explanation
Fig. 1 assembled station structure profile；
Fig. 2 assembled station construction layout；
Fig. 3 (a)～3 (h) is assembled metro station construction block diagram.
Wherein: 1. lifting machine, 2. grab claw, 3. slotter, the component of 4. ground-connecting-wall (prefabricated pile) 5. underground station.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete description.
As shown in Figure 2, assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device, including the straddle truck being provided with lifting machine 1, straddle truck includes horizontal gantry hanging beam and for supporting two bracing frames of horizontal gantry hanging beam, two bracing frames are respectively arranged on the both sides estimating excavation pit, it is provided with at least one slide rail in the bottom of horizontal gantry hanging beam, wherein grab claw 2 is fixed by a slide rail, each in the inner side of two bracing frames fix a slotter 3；By lifting machine 1, grab claw 2 and slotter 3 being may be contained within a straddle truck, straddle truck moves, and drives the movement of all devices simultaneously, saves going out entry time of device, and machine simultaneously or single running, can be greatly saved the construction period.
Be respectively equipped with roller in the bottom of two bracing frames, roller coordinates with the long rails being located at foundation ditch both sides；The movement of straddle truck, drives each machine on straddle truck to move；Compared to machine one by one, facilitate the movement to these machines, save man-hour simultaneously.
This constructing device also includes controlling device and remote controller, controls device and is individually connected with the control system of lifting machine 1, grab claw 2 and slotter 3, by controlling device unification, these machines is uniformly controlled, saves manpower；Remote controller, is realized remotely controlling by remote controller, it is ensured that construction safety by being wirelessly or non-wirelessly connected with described control device.
As shown in Figure 1, the component of underground station includes middle part I, two pieces of L-shaped bottom side plate II of base plate, the framed side wallboard III being located at both sides, subway station and at least two blocks of crown plates IV, V, and described middle part base plate I, bottom side plate II, framed side wallboard III and crown plate IV, V are prefabricated by armored concrete.
As shown in Fig. 3 (a)～3 (h), adopt the assembled ground-connecting-wall of above-mentioned constructing device or the construction method of prefabricated pile and assembled underground station, specifically comprise the following steps that
1) erection combination straddle truck construction machinery, utilize slotter 3 grooving, and on groove, place assembled ground-connecting-wall (prefabricated pile) locating rack, locating rack makes by on-the-spot and prefabricated components (prefabricated pile) size, places and fix, recycling lifting machine 1 is pressed in groove along locating rack, then utilizes grab claw 2 stage excavation at the bottom of foundation ditch；And welded steel beam is successively set supports the ground-connecting-wall of both sides or prefabricated pile, welded steel beam is horizontally disposed with；
2) the middle part base plate I of first ring underground station component 5 is accurately positioned, it is determined that component assembly axial location；
3) according to step 2) in position, first assembled station base plate, base plate is made up of one block of middle part I, two blocks of bottom side plate II component of base plate, utilizes lifting machine 1 and human assistance, first spell middle part base plate I and spell bottom side plate II again, after having spelled, axis is corrected；
4) assembled side wall, side wall is made up of two pieces of framed side wallboards III, checks the upper elevation of framed side wallboard III piece and flatness before the mounting, it is ensured that the perpendicularity of side wall and flatness；
5) assembled crown, crown is made up of IV, V liang of module component of crown plate, straddle truck coordinated with chassis；
6) cast-in-place station internal structure, including floor and post, then earthing backfill, completes station construction.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device, it is characterized in that, including the straddle truck being provided with lifting machine, straddle truck includes horizontal gantry hanging beam and for supporting two bracing frames of horizontal gantry hanging beam, two bracing frames are respectively arranged on the both sides estimating excavation pit, it is provided with at least one slide rail in the bottom of horizontal gantry hanging beam, wherein grab claw is fixed by a slide rail, each in the inner side of two bracing frames fix a slotter.
2. constructing device as claimed in claim 1, it is characterised in that be respectively equipped with roller in the bottom of two bracing frames, roller coordinates with the long rails being located at foundation ditch both sides.
3. constructing device as claimed in claim 1 or 2, it is characterised in that also include controlling device, control device and be individually connected with the control system of lifting machine, grab claw and slotter.
4. constructing device as claimed in claim 3, it is characterised in that also including remote controller, remote controller passes through wirelessly or non-wirelessly to be connected with described control device.
5. adopt the assembled ground-connecting-wall of constructing device according to any one of claim 1-4 or the construction method of prefabricated pile and assembled underground station, it is characterised in that specifically comprise the following steps that
1) constructing device is placed in the original position of underground station boundary of works area；
2) slotter is controlled in original position along with the mobile stage excavation groove of straddle truck is to set depth；
3), after grooving, control lifting machine and do assembled ground-connecting-wall；Or control lifting machine arrange with independent piling machine and be pressed into prefabricated pile；
4) control grab claw from one end stage excavation of foundation ditch to foundation ditch bottom, and welded steel beam be successively set support the ground-connecting-wall of both sides or prefabricated pile；
5) from down to up the component of underground station is carried out assembly；
6) building underground station internal structure, after completing, earthing backfills, and completes underground station construction.
6. construction method as claimed in claim 5, it is characterised in that in step 3) in adopt the perpendicularity of testing apparatus for verticality detection assembled ground-connecting-wall or prefabricated pile in real time.
7. construction method as claimed in claim 5, it is characterised in that in step 5) in the component of underground station include middle part base plate, bottom side plate two pieces L-shaped, the framed side wallboard being located at both sides, subway station and at least two blocks of crown plates.
8. construction method as claimed in claim 7, it is characterised in that described middle part base plate, bottom side plate, framed side wallboard and crown plate are prefabricated by armored concrete.
9. construction method as claimed in claim 5, it is characterised in that in described step 3) in when doing ground-connecting-wall or prefabricated pile, it is necessary first to installation ground-connecting-wall or prefabricated pile locating rack in groove excavate.
10. construction method as claimed in claim 7, it is characterised in that when assembled framed side wallboard, perpendicularity and the flatness of side wall need to be detected in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112478.2A CN105804115B (en) | 2016-02-29 | 2016-02-29 | Assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112478.2A CN105804115B (en) | 2016-02-29 | 2016-02-29 | Assembled ground-connecting-wall or prefabricated pile and assembled underground station integrative construction device and construction method |
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| CN105804115A true CN105804115A (en) | 2016-07-27 |
| CN105804115B CN105804115B (en) | 2018-08-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672354A (en) * | 2016-02-29 | 2016-06-15 | 济南轨道交通集团有限公司 | Cast-in-place underground diaphragm wall and cast-in-place subway station construction integrated method |
| CN105756090A (en) * | 2016-02-29 | 2016-07-13 | 济南轨道交通集团有限公司 | Integrated construction method of cast-in-situ bored pile and fabricated subway station |
| CN108396778A (en) * | 2018-01-25 | 2018-08-14 | 成都城投建筑科技投资管理集团有限公司 | A kind of construction method in precast assembly tunnel |
| CN110080294A (en) * | 2019-04-23 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of lid of assembled vault greatly across no column underground structure digs half reversed construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672354A (en) * | 2016-02-29 | 2016-06-15 | 济南轨道交通集团有限公司 | Cast-in-place underground diaphragm wall and cast-in-place subway station construction integrated method |
| CN105756090A (en) * | 2016-02-29 | 2016-07-13 | 济南轨道交通集团有限公司 | Integrated construction method of cast-in-situ bored pile and fabricated subway station |
| CN105756090B (en) * | 2016-02-29 | 2018-02-06 | 济南轨道交通集团有限公司 | Cast-in-situ bored pile and assembled metro station construction integral method |
| CN108396778A (en) * | 2018-01-25 | 2018-08-14 | 成都城投建筑科技投资管理集团有限公司 | A kind of construction method in precast assembly tunnel |
| CN110080294A (en) * | 2019-04-23 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of lid of assembled vault greatly across no column underground structure digs half reversed construction method |
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| Publication number | Publication date |
|---|---|
| CN105804115B (en) | 2018-08-31 |
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