CN110374612A - It is a kind of applied to the shield machine receiving platform and construction technology that face under dummy status - Google Patents
It is a kind of applied to the shield machine receiving platform and construction technology that face under dummy status Download PDFInfo
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- CN110374612A CN110374612A CN201910681019.XA CN201910681019A CN110374612A CN 110374612 A CN110374612 A CN 110374612A CN 201910681019 A CN201910681019 A CN 201910681019A CN 110374612 A CN110374612 A CN 110374612A
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- steel pipe
- bracing members
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- steel
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 163
- 239000010959 steel Substances 0.000 claims abstract description 163
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
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- 210000005069 ears Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
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- 238000002513 implantation Methods 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- 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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of applied to the shield machine receiving platform and construction technology that face under dummy status, including supporting bearing assembly, bearing bearing assembly includes the vertically arranged bracing members of multiple rows of multiple row, is connected by connecting rod between adjacent bracing members, steel purlin is fixedly installed at the top of the bracing members；The bearing bearing assembly two sides are respectively provided with steel pipe support, and supporting platform is arranged at the top of the steel pipe support and bearing bearing assembly；Skewed horizontal load is set on the outside of the steel pipe support.The shield machine receiving platform can receive shield machine in the case where facing dummy status, its next layer for being erected at multiple level station is to receive upper one layer of shield machine, without first backfilling next layer of received well secondary excavation again, human and material resources, financial resources are not only saved, construction risk has also been evaded.
Description
Technical field
This disclosure relates to Shield Construction Technique field, and in particular to a kind of receive applied to the shield machine faced under dummy status is put down
Platform and construction technology.
Background technique
It is one of important procedure of shield-tunneling construction that shield machine, which is reached and received, and usual shield receives well construction and finishes, and is being received
Shaft bottom plate installs fixed reception pedestal, receives construction by the arrival that fixed construction technology process completes shield machine.
Under certain specific environments, according to the unified planning of Metro Network, transfer station uses three-decker pattern,
Station is two layers minus, minus three layers of each one route of arrangement；Will appear same received well according to the design of route need to complete 2 routes
Shield receives work.Tunnel below first construction when 2 routes overlap up and down, by minus three layers of received well top after the reception of lower section shield machine
Plate closing provides condition for subsequent minus two layers of shield reception.
Transfer station uses right-angled intersection design scheme, receives work in the shield that same received well completes cross link,
It is first constructed according to layout of roads transfer station and minus two layers of running tunnel, minus three layers of shield need to be reserved according to design requirement and received
Well.
Rail traffic bid section shield machine reception area in Jinan is located at the 26-28 axis of three layers of underground station, shield machine received bit
Minus two layers in station, minus three layers are planning M7 line east, west is to transfer layer, reserve M7 line shield machine receiver hole according to designing, minus two
Layer shield machine receives position and is in vacant state.Inventors have found that existing shield machine receives under this engineering construction background
Platform cannot achieve the reception work to shield machine.Based on actual track planning and condition of construction, planning M7 line is not constructed and shield
The square crossing at received well of structure machine pre-receiving route, can not carry out shield machine reception at minus two layers, shield machine routinely connects
Receiving method need to receive well area to the shield at minus three layers of station and backfill, and construction shield machine places shield after receiving concrete platform
Structure machine receives pedestal；It is long in time limit, at high cost according to the mode excavated again after backfill, it is not able to satisfy existing construction period requirement, and
There are many unfavorable factors for backfill.
Summary of the invention
The purpose of disclosure is to overcome above-mentioned the deficiencies in the prior art, to provide a kind of applied to the shield machine faced under dummy status
Receiving platform and construction technology；The shield machine receiving platform can receive shield machine in the case where facing dummy status, be erected at multiple level station
Next layer to receive upper one layer of shield machine, without first backfilling next layer of received well secondary excavation again, not only save people
Power, material resources, financial resources, have also evaded construction risk.
The purpose of first invention of the disclosure be propose it is a kind of applied to the shield machine receiving platform faced under dummy status, to realize
Above-mentioned purpose, the disclosure adopt the following technical solutions:
It is a kind of applied to the shield machine receiving platform faced under dummy status, including bearing bearing assembly supports bearing assembly packet
The vertically arranged bracing members of multiple rows of multiple row are included, are connected by connecting rod between adjacent bracing members, it is fixed at the top of the bracing members
Steel purlin is set；The bearing bearing assembly two sides are respectively provided with steel pipe support, the steel pipe support and bearing bearing assembly top
Supporting platform is set；Skewed horizontal load is set on the outside of the steel pipe support.
As further technical solution, the fixed first Two bors d's oeuveres channel steel of bracing members upper lateral described in same column adjacent row, the
It is affixed in the middle part of one Two bors d's oeuveres channel steel that the second Two bors d's oeuveres channel steel is set diagonally downward.
As further technical solution, the connecting rod is I-steel.
As further technical solution, anchor ear, the anchor ear are arranged on the outside of the bracing members neighbouring with steel pipe support
It is fixedly connected with steel pipe support.
As further technical solution, the anchor ear includes four steel pipes for connecting quadrangularly, is passed through between steel pipe
Fastener connection.
As further technical solution, the steel pipe support also passes through horizon bar and connect with anchor ear.
As further technical solution, the steel pipe support includes the vertically arranged steel pipe of multiple rows of multiple row, between steel pipe
Connected by transverse connecting rod.
As further preferred technical solution, the angle of the skewed horizontal load and horizontal direction is 45 °.
As further technical solution, concrete floor is fixed in the bearing bearing assembly and steel pipe support bottom.
As further technical solution, anchor bar, anchor bar and skewed horizontal load are set in the concrete floor
It is affixed.
Second goal of the invention of the disclosure proposes a kind of construction technology of above-mentioned shield machine receiving platform, including following step
It is rapid:
Shield received well backplate surface is cleared up, setting-out is carried out to bracing members position, whether is measurement bracing members position
In same absolute altitude；
In shield received well bottom slab concreting concrete pedestal, steel pipe support is set up in bracing members predeterminated position two sides, and
Steel pipe support two sides set up skewed horizontal load；
Lifting sets up bracing members, is welded to connect horizontally connecting rod between bracing members, is welded and fixed at the top of bracing members
Steel purlin；
Repetition measurement steel purlin and steel pipe support top surface absolute altitude are laid with supporting platform, bearing in steel purlin and steel pipe support top surface
Shield machine is placed on platform receives pedestal.
The disclosure has the beneficial effect that
The shield machine receiving platform of the disclosure solves the technical problem that shield machine receives construction in the case where facing dummy status, evades
Rail traffic intersects in transfer station, and the minus two layers of shield section in station of first constructing, station minus three layers of running tunnel is not constructed, needs
AT STATION under conditions of minus two layers reserved shield hoisting hole, minus two layers of section shield machine faces need to be to minus three layers when receiving under dummy status
Received well first backfills, then two layers are excavated brought human and material resources, the overlapping investment of financial resources and unnecessary carbon is thus brought to arrange
High-volume increase, with good economic efficiency, social benefit and environmental benefit.
The shield machine receiving platform of the disclosure, using the common steel members such as the existing bracing members in construction site, steel purlin, nothing
Special processing and manufacturing is needed, expense and the duration needed for manufacturing steel member have been evaded, steel member used by the disclosure is actually applied
Work verifying, it is easy for construction and meet shield machine and receive to the requirements of receiving platform stress；The disclosure is supported according to shield machine
Stress is different from the stress in person works region, takes different steel member organization plans, that is, bracing members and steel have been respectively adopted
Pipe holder supports, and reduces the expense that operation platform is set up, removed, improves construction efficiency, decrease to steel
The usage amount of support and its connector.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is shield machine receiving platform schematic cross-sectional view；
Fig. 2 is shield machine receiving platform side view (steel pipe support is not shown)；
Fig. 3 is the bottom schematic view of bracing members；
Fig. 4 is the setting side view of the first Two bors d's oeuveres channel steel and the second Two bors d's oeuveres channel steel；
Fig. 5 is anchor ear and bracing members, steel pipe support connection schematic diagram；
Fig. 6 is the transfer station floor map that an embodiment provides；
Fig. 7 is that the shield that an embodiment provides receives end vertical section schematic diagram；
Fig. 8 is that the shield machine receiving platform that an embodiment provides receives end arrangement schematic diagram in shield；
In figure, 1 bracing members, 2 connecting rods, 3 steel purlins, 4 steel pipe supports, 5 supporting platforms, 6 skewed horizontal loads, 7 Two bors d's oeuveres channel steels,
8 anchor ears, 9 anchor ear steel pipes, the oblique steel pipe of 10 anchor ears, 11 vertical steel pipes, 12 transverse connecting rods, 13 concrete floors, 14 shield machines connect
Receive pedestal, 15 ring flange bottom plates, 16 ribbed stiffeners, 17 ground, 18 shield machines reception position, 19 shield machine receiving platforms, 20 coagulations
Soil padding pedestal.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the disclosure, only indicate and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the disclosure and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it should not be understood as the limitation to the disclosure.
As background technique is introduced, in the case where facing the engineering construction background of dummy status, existing shield machine receiving platform
It cannot achieve the reception work to shield machine, in order to solve technical problem as above, be applied to face sky present applicant proposes one kind
Shield machine receiving platform under state.
This application provides a kind of applied to the shield machine receiving platform faced under dummy status, including bearing bearing assembly, branch
Holding bearing assembly includes the vertically arranged bracing members of multiple rows of multiple row, is connected by connecting rod between adjacent bracing members, the steel
Steel purlin is fixedly installed in branch support；The bearing bearing assembly two sides are respectively provided with steel pipe support, the steel pipe support and bearing
Supporting platform is set at the top of bearing assembly；Skewed horizontal load is set on the outside of the steel pipe support.
Embodiment 1
1- attached drawing 8 is described further shield machine receiving platform disclosed in the present embodiment with reference to the accompanying drawing；
As Figure 1-Figure 2, applied to the shield machine receiving platform faced under dummy status, including bearing bearing assembly, bearing
Bearing assembly includes the vertically arranged bracing members 1 of multiple rows of multiple row, is connected by connecting rod 2 between adjacent bracing members 1, bracing members
Steel purlin 3 is fixedly installed in 1 top, and steel purlin 3 can be used Two bors d's oeuveres I-steel I56B and be made, and bracing members 1 and steel purlin 3 can adopt
It with welded connecting, is connected between steel purlin 3 also by connecting rod 2, connecting rod 2 can use I-steel；3 are arranged in the present embodiment
6 column bracing members are arranged, same steel purlin is set with bracing members top braces are arranged.
Bearing bearing assembly two sides are respectively provided with steel pipe support 4, and Zhi Chengping is arranged at the top of steel pipe support 4 and bearing bearing assembly
Platform 5 fixes shield machine in supporting platform 5 and receives pedestal 14, and it is existing conventional susceptor that shield machine, which receives pedestal,；Supporting platform 5
It is laid with using steel plate.
Steel pipe of the bracing members 1 of the present embodiment using φ 609, the bearing bearing assembly carrying of bracing members and the formation of steel purlin
Shield host weight supports the steel pipe support 4 of bearing assembly two sides as people's row and the vertical load-carrying members in auxiliary construction area.
As shown in Figure 1, steel pipe support 4 includes the vertically arranged vertical steel pipe 11 of multiple rows of multiple row, between vertical steel pipe 11
It is connected by transverse connecting rod 12.The steel pipe support 4 of the disclosure is full hall scaffold form.
Skewed horizontal load 6 is set on the outside of steel pipe support 4, and skewed horizontal load 6 and the angle of horizontal direction are 45 °.
As shown in Figure 1, Figure 2, Figure 4 shows, the fixed Two bors d's oeuveres channel steel 7 of 1 upper lateral of same column adjacent row bracing members, in Two bors d's oeuveres channel steel 7
The affixed another Two bors d's oeuveres channel steel 7 being arranged diagonally downward in portion, the Two bors d's oeuveres channel steel 7 play a supportive role, the Two bors d's oeuveres channel steel 7 in the present embodiment
Channel steel is assembled into square tubular shape.In the top setting transverse direction for receiving portal third column bracing members away from shield machine in the present embodiment
Two bors d's oeuveres channel steel and slanting Two bors d's oeuveres channel steel, slanting Two bors d's oeuveres channel steel can be improved the stability of platform, achieve the effect that Anti-inclining.
Two bors d's oeuveres channel steel 7 can use Two bors d's oeuveres [40B channel steel.
As shown in figure 3,1 bottom and top of bracing members are respectively provided with ring flange bottom plate 15, ring flange bottom plate 15 and bracing members 1 it
Between ribbed stiffener 16 is set, bracing members 1 are connect by ring flange bottom plate 15 with other components.1 top of 3 bottom of steel purlin and bracing members
Ring flange bottom plate 15 reliably weld.
As shown in Figure 1, shown in Figure 5, anchor ear 8, anchor ear 8 and steel pipe support 4 are arranged on the outside of the bracing members 1 neighbouring with steel pipe support 4
It is connected using fastener fixing.
Anchor ear 8 includes four anchor ear steel pipes 9 of connection quadrangularly, is connected between adjacent two anchor ears steel pipe 9 by fastener.
Anchor ear 8 is connect with the transverse connecting rod 12 of steel pipe support 4 using fastener close to the side of steel pipe support 4, and 8 one end of anchor ear is by embracing
Oblique steel pipe 10 is bound round to connect with the transverse connecting rod 12 of steel pipe support 4；Steel pipe support 4 is also connected by one end of horizon bar and anchor ear 8
It connects.
As shown in Figure 1, station concrete floor 13 is fixed in bracing members 1 and 4 bottom of steel pipe support.In concrete floor 13
Anchor bar (not shown) is set, and anchor bar and skewed horizontal load 6 are welded to connect.
The construction technology of above-mentioned shield machine receiving platform, comprising the following steps:
Shield received well backplate surface is cleared up, setting-out is carried out to 1 position of bracing members, measurement 1 position of bracing members is
It is no in same absolute altitude；
Casting concrete bed course pedestal 20 at angle is tucked in shield received well bottom plate, concrete width is than 1 bottom of bracing members
The big 200mm or more in 15 edge of ring flange bottom plate, thickness meet bracing members ring flange bottom plate 15 in required concrete cushion pedestal
20 width requirement and the dimension combination for meeting 1 segment of bracing members and steel purlin 3 set up steel in 1 predeterminated position two sides of bracing members
Pipe holder 4, and skewed horizontal load 6 is set up in 4 two sides of steel pipe support；
Lifting sets up bracing members 1, is welded to connect horizontally connecting rod 2 between bracing members 1, welds at the top of bracing members 1
Fixed steel purlin 3；
4 top surface absolute altitude of repetition measurement steel purlin 3 and steel pipe support is laid with supporting platform 5 in steel purlin 3 and 4 top surface of steel pipe support,
Shield machine is placed in supporting platform 5 receives pedestal 14.
The specific embodiment using disclosure shield machine receiving platform is given below:
The 26-28 axis at Jinan rail traffic bid section shield machine reception area three-decker station located underground, such as Fig. 8 institute
Show, shield machine receive position 18 be located at minus two layers of 17 or less ground, as shown in fig. 7, shield machine receiving platform 19 need to be set to it is negative
Three layers, minus three layers are planning M7 line east, west is to transfer layer, reserve M7 line shield machine receiver hole, minus two layers of shield machine according to designing
It receives position and is in vacant state.
It is illustrated in figure 6 transfer station floor map, shield is illustrated in figure 7 and receives end vertical section schematic diagram, M7
Line is not yet constructed, and the village the Sheng Fu station~eastern station Ding Jia shield section is tunneled by the eastern station Zhuan Zhanxiang Ding Jia Sheng Fu, in the eastern station Ding Jia the North
Head receives.The circle place of marking is shield reception area in Fig. 6.
Specific implementation step are as follows:
1, scene prepares；
(1) it verifies construction site shield and receives whether hole is reserved according to design drawing, to the received factor of influence
It is checked and is handled in time.
(2) it checks negative Tipple Bottom plate disposition and whether repetition measurement shield ring beam reserved location is accurate.
(3) designed elevation is backfilled to according to the requirement in design drawing to station top plate, degree of being backfilling and compacted, which must satisfy, to be set
Meter requires.
(4) all kinds of pipelines of ground upper, lower tube, underground structure, the Dangerous Building etc. in place and adjacent domain are investigated
And it protected, identified, the processing such as limit.
2, material, equipment prepare；
The following are specific materials, device requirement table:
Material, device requirement table
| Serial number | Title | Unit | Quantity | Specification |
| 1 | Bracing members | t | 30 | Φ609mm×16mm |
| 2 | I18 I-steel | t | 20 | |
| 3 | The lumps of wood | m | 50 | 50mm×100mm×3000mm |
| 4 | Stand steel pipe | t | 20 | φ48mm×3.5mm |
| 5 | Jacking | It is a | 200 | |
| 6 | Steel plate | ㎡ | 100 | 20mm is thick |
| 7 | Truck crane | Platform | 1 | 25t |
3, construction process；
Bracing members position setting-out → level measurement → basal plane polishing, concrete cushion basement construction → bracing members ingredient → steel
Support erection → bracing members connector welding → steel purlin is set up, welding → full framing sets up → top surface absolute altitude repetition measurement → steel plate
It is laid with → inspects for acceptance.
Negative Tipple Bottom plate carries out bracing members position using after manually cleaning out surface concrete, dregs first
Accurate settingout, and whether repetition measurement Support Position in same absolute altitude, if not in same elevation location, it is necessary to a height of base of lowest bid
Bottom plate is carried out grinding process by quasi- elevation, guarantees bracing members installation rear top surface in same elevation location, it is ensured that all bracing members by
Power is uniform.Entire shield machine receiving platform is erected on negative Tipple Bottom plate, with negative Tipple Bottom plate load-bearing, to receive shield machine safely.
The negative Tipple Bottom plate absolute altitude in station and flatness are measured, minus three layer planes height difference is surveyed, it is flat according to station bottom slab concreting
Whole degree is fixed there are certain error, bracing members segmental length and the actual conditions of minimum adjustment section 0.2m, for convenience of bracing members
- I 56B steel purlin of height dimension-bracing members top steel plate of highness change, actual measurement station bottom plate to receiving platform surface is high
Degree-bracing members spelling length, obtains the concrete pedestal cushion thickness for needing to pour on the bottom plate of station.As shown in figure 8, to bottom plate
Beam tucks in the bracing members installation site at angle and pours pedestal using C35 pea gravel concreten, and the same section of concrete cushion pedestal 20 is logical
Long construction, centre must not be interrupted, and the width of concrete cushion pedestal 20 has to be larger than bracing members flange disk diameter 20cm.Formwork erection pours
After building concrete cushion pedestal, bracing members ring flange bottom plate 15 is fixed on bed course pedestal top, pours bed course and reaches design strength
After bracing members are installed.
4, bracing members lift；
It before bracing members installation, first carries out full framing and sets up, bracket horizontal spacing is 0.5m, and longitudinal is 0.9cm, horizon bar
Step pitch is 1.2m, and upright bar must avoid the position of bracing members during rack construction, is guaranteed horizontal using bracket around bracing members
Bar is fixed, and it is firm that cross bar is connect with bracing members in anchor ear shape, it is ensured that the stability of single bracing members；Bracing members use automobile
Vertical lifting is hung, must be commanded with special messenger in hoisting process, prevent bracing members from colliding with bracket, using double-steel wire rope
Symmetrical lifting bracing members.
It must be lifted using double joint wirerope in bracing members hoisting process, wirerope binding and flange plate bolt hole
In, the necessary symmetrical arrangement in left and right prevents from tilting.
Shield receiving platform mainly expires hall steel pipe with 609 18 I-steel+φ of bracing members+I 56B steel purlin+I of φ, 48 steel pipe
Bracket+20mm steel plate combination forms, and main bearing member carries shield host based on 609 bracing members+I 56B steel purlin of φ
Weight；Steel pipe support is booster action, it should be ensured that the stability of bracing members, steel pipe support are vertical as people's row and auxiliary construction area
Load-carrying members；After the completion of shield machine smoothly receives, shield machine removes lifting, bracing members are separated with the cutting of I 56B steel purlin
After hang out.20mm steel plate forms supporting platform.
According to the weight of shield machine host and outer dimension, the bearing capacity calculation of 609 bracing members of φ as a result, with pre-receiving shield
Structure tunnel axis is axis in the floor projection of negative Tipple Bottom plate, is longitudinally arranged the vertical bracing members of 3 rows, and spacing 1.689m is lateral
Arrange the bracing members of the φ 609 of 6 column pitch 2m；It is welded in horizontal direction between bracing members using 18 I-steel of I, as shown in Figure 1, Figure 2
It show bracing members and sets up schematic diagram, bracing members surface rust protection paint and anvil cinder must be polished before I-steel and bracing members welding dry
Net weld seam should meet welding quality requirement, and all bracing members of bracket must be all using two-sided with I-steel and steel purlin contact surface
It is fully welded, weld seam must be full smooth, there is not allowed that rosin joint phenomenon.
18 I-steel of I is laterally, longitudinal direction is each is arranged three, wherein first of I-steel is 0.4m, lengthwise position apart from ground
It must be shored with underframe longitudinal member, Two bors d's oeuveres is laterally added at the top of the third column bracing members of hole, and [40B channel steel welds, oblique using double
Spell [the channel steel and underframe longitudinal member support that 40B channel steel welds third column bracing members top.Oblique Two bors d's oeuveres channel steel acts against under bottom plate
It turns on beam and bracing members, can achieve Anti-inclining effect, as shown in Fig. 2, Fig. 4, Fig. 8, evade shield machine and push ahead generation frame
Body tilt phenomenon.
I56B steel purlin is longitudinally mounted at the top of the bracing members, lays three steel purlins altogether, the installation of steel purlin must assure that with
Bracing members are vertical, and are reliably fully welded with bracing members top flange dish, and bracing members bracket is connected using 18 I-steel of I, longitudinal pitch
It is as shown in Figure 1 receiving platform schematic cross-sectional view for 1m.
The operating platform for meeting construction personnel is set up using full hall scaffold in remaining position of two sides, and full hall scaffold is set up into
For steel pipe support 4, bracket horizontal spacing is 0.5m, and longitudinal is 0.9m, and the horizon bar of bracket must be connected with bracing members using anchor ear
It connects, anchor ear is made by the steel pipe that fastener connects with four on the outside of bracing members；Side and steel pipe branch of the anchor ear close to steel pipe support
Frame is connected using fastener；It adds a horizon bar and connect anchor ear one end using fastener with steel pipe support level.With construction speed
The feature that degree is fast, dismounting is convenient, stability is good；The steel pipe quantity of construction site meets construction needs, does not need extra charge.
Laterally main stupefied wood uses Two bors d's oeuveres steel pipe to steel pipe support, and longitudinal time distracted wood uses 100m × 50mm lumps of wood, and spacing is
250mm.Steel pipe skewed horizontal load 6 is set up in two sides, and skewed horizontal load and ground are in 45 ° of angles, and skewed horizontal load longitudinal pitch and bracket are vertical
It is consistent to spacing, and bracket is connect with vertical bracing members, and concrete floor implantation φ 25mm reinforcing bar and skewed horizontal load AT STATION
Connection is anchored, and anchorage length cannot be less than 150mm.
5, shield machine, which reaches, receives；
Shield machine reaches first 1 month by scheme requirement construction shield receiving platform, and receiving platform construction finishes confirmed fold
Lattice, shield receiving platform Force Calculation should meet the received safety requirements of shield, and arrival driving, reception should strictly press technology
Scheme and requirement of telling somebody what one's real intentions are carry out.Strict control fltting speed, thrust, cutter head torque in shield receive process are answered in receive process
Monitor longitudinal direction, the horizontal displacement of receiving platform in real time, note abnormalities timely processing, to guarantee to receive safety.
After shield finishes receiving, carries out shield machine and remove work, after shield machine and corollary equipment are removed, dismounting receives flat
Platform.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of applied to the shield machine receiving platform faced under dummy status, characterized in that including supporting bearing assembly, bearing carrying
Component includes the vertically arranged bracing members of multiple rows of multiple row, is connected by connecting rod between adjacent bracing members, the bracing members top
Steel purlin is fixedly installed in portion；The bearing bearing assembly two sides are respectively provided with steel pipe support, the steel pipe support and bearing carrying group
Supporting platform is set at the top of part；Skewed horizontal load is set on the outside of the steel pipe support.
2. shield machine receiving platform as described in claim 1, characterized in that bracing members upper lateral described in same column adjacent row is solid
If the first Two bors d's oeuveres channel steel, affixed the second Two bors d's oeuveres channel steel being arranged diagonally downward in the middle part of the first Two bors d's oeuveres channel steel.
3. shield machine receiving platform as described in claim 1, characterized in that on the outside of the bracing members neighbouring with steel pipe support
It is arranged anchor ear, the anchor ear is fixedly connected with steel pipe support.
4. shield machine receiving platform as claimed in claim 3, characterized in that the anchor ear includes four for connecting quadrangularly
Steel pipe passes through fastener between steel pipe and connects.
5. shield machine receiving platform as claimed in claim 3, characterized in that the steel pipe support also passes through horizon bar and anchor ear
Connection.
6. shield machine receiving platform as described in claim 1, characterized in that the steel pipe support includes that multiple rows of multiple row is vertically set
The steel pipe set passes through transverse connecting rod between steel pipe and connects.
7. shield machine receiving platform as described in claim 1, characterized in that the skewed horizontal load and the angle of horizontal direction are
45°。
8. shield machine receiving platform as described in claim 1, characterized in that the bearing bearing assembly and steel pipe support bottom
It is fixed on concrete floor.
9. shield machine receiving platform as claimed in claim 8, characterized in that anchor bar is set in the concrete floor,
Anchor bar is affixed with skewed horizontal load.
10. such as the construction technology of the described in any item shield machine receiving platforms of claim 1-9, characterized in that including following step
It is rapid:
Shield received well backplate surface is cleared up, setting-out is carried out to bracing members position, whether measures bracing members position same
One absolute altitude；
In shield received well bottom slab concreting concrete pedestal, steel pipe support is set up in bracing members predeterminated position two sides, and in steel pipe
Bracket two sides set up skewed horizontal load；
Lifting sets up bracing members, is welded to connect horizontally connecting rod between bracing members, steel is welded and fixed at the top of bracing members and encloses
Purlin；
Repetition measurement steel purlin and steel pipe support top surface absolute altitude are laid with supporting platform, supporting platform in steel purlin and steel pipe support top surface
Upper placement shield machine receives pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681019.XA CN110374612B (en) | 2019-07-26 | 2019-07-26 | Shield machine receiving platform applied to near-empty state and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681019.XA CN110374612B (en) | 2019-07-26 | 2019-07-26 | Shield machine receiving platform applied to near-empty state and construction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374612A true CN110374612A (en) | 2019-10-25 |
| CN110374612B CN110374612B (en) | 2022-04-26 |
Family
ID=68256366
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681019.XA Active CN110374612B (en) | 2019-07-26 | 2019-07-26 | Shield machine receiving platform applied to near-empty state and construction process |
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| CN (1) | CN110374612B (en) |
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| CN110905534A (en) * | 2019-12-10 | 2020-03-24 | 中铁十四局集团隧道工程有限公司 | Base structure |
| CN111828024A (en) * | 2020-07-17 | 2020-10-27 | 青岛理工大学 | Adjustable receiving platform of tunnel boring equipment |
| CN113513325A (en) * | 2020-05-14 | 2021-10-19 | 中国建筑第二工程局有限公司 | Shield tunneling machine steel receiving platform and mounting method thereof |
| CN113756832A (en) * | 2021-09-28 | 2021-12-07 | 中铁一局集团有限公司 | Large-section rectangular oblique-crossing pipe jacking construction method |
| CN114233307A (en) * | 2021-12-20 | 2022-03-25 | 中铁十四局集团大盾构工程有限公司 | Major diameter slurry shield does receiving arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110905534A (en) * | 2019-12-10 | 2020-03-24 | 中铁十四局集团隧道工程有限公司 | Base structure |
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| CN113756832A (en) * | 2021-09-28 | 2021-12-07 | 中铁一局集团有限公司 | Large-section rectangular oblique-crossing pipe jacking construction method |
| CN114233307A (en) * | 2021-12-20 | 2022-03-25 | 中铁十四局集团大盾构工程有限公司 | Major diameter slurry shield does receiving arrangement |
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| Publication number | Publication date |
|---|---|
| CN110374612B (en) | 2022-04-26 |
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