CN110397278A - A kind of method of superstructure and underground structure synchronous construction - Google Patents
A kind of method of superstructure and underground structure synchronous construction Download PDFInfo
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- CN110397278A CN110397278A CN201910679970.1A CN201910679970A CN110397278A CN 110397278 A CN110397278 A CN 110397278A CN 201910679970 A CN201910679970 A CN 201910679970A CN 110397278 A CN110397278 A CN 110397278A
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- 238000010276 construction Methods 0.000 title claims abstract description 145
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 239000002689 soil Substances 0.000 claims description 9
- 239000011374 ultra-high-performance concrete Substances 0.000 claims description 5
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000009415 formwork Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009435 building construction Methods 0.000 description 3
- 238000004091 panning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
- E04G23/065—Lifting of buildings
Abstract
The method of a kind of superstructure and underground structure synchronous construction of the invention, for existing contrary sequence method synchronous construction superstructure and underground structure is used, difficulty of construction is larger, and there are problems that security risk.Steps are as follows: the floor of prefabricated underground structure simultaneously overlaps placement, construction area construction diaphram wall and stand column pile where underground structure, in attachment rail beam above construction area where underground structure, and in the other end mounting bracket of track girder, using board-descending method construction underground structure, as sub-surface excavates the precast floor slab for successively reducing multiple overlappings and placing, during reducing precast floor slab, the precast floor slab and diaphram wall of current layer, pouring concrete connects after stand column pile, until underground structure bottom construction of bottom plates finishes, and synchronously complete the construction of superstructure, the superstructure for having built completion along track girder translation is located at the surface of underground structure, delay-pour joint superstructure and underground structure.
Description
Technical field
The present invention relates to technical field of building construction, in particular to the side of a kind of superstructure and underground structure synchronous construction
Method.
Background technique
Currently, the superstructure with multi-layer underground structure is generally using construction synchronous above and below to improve construction efficiency
Method, moreover, underground structure is the cast-in-place structural using reverse construction, construction efficiency relatively increases along the practice, still, should
There are still following defects for construction method:
1, superstructure and underground structure are constructed simultaneously, and superstructure will block the construction space of underground structure, inverse
When practice construction is cut the earth, Tu Kou laying is taken to be restricted, to increase difficulty of construction；
2, underground structure uses cast-in-situ floor and post and lintel system, and uses top-down sequence of construction, due to field of constructing
Itself more close inside ground narrow, cast-in-place structural construction faces falsework and sets up inconvenience, and formwork erection is difficult, removes and transports
The construction difficult problems such as inconvenience out, construction quality are not easy to ensure；Meanwhile the intersection of various operating conditions also results in various peaces in small space
Full hidden danger threatens the safety of construction personnel；
3, the falsework for setting up cast-in-place structural needs to consume a large amount of steel, timber, results in waste of resources.
In short, using existing reverse construction system synchronous construction superstructure and underground structure, it is difficult to take into account construction
Space and construction efficiency, formwork erection is difficult, transport of materials is inconvenient, causes the wasting of resources, so that difficulty of construction is larger, construction
Quality is difficult to ensure, moreover, complicated operating condition also can bring security risk to construction personnel.
Summary of the invention
For using existing reverse construction system synchronous construction superstructure and underground structure, it is difficult to it is empty to take into account construction
Between and construction efficiency so that difficulty of construction is larger, construction quality is difficult to ensure, and there are problems that security risk.Of the invention
Purpose is to provide the method for a kind of superstructure and underground structure synchronous construction, it combine underground structure board-descending method construction technology,
The industry of a set of superstructure and underground structure synchronous construction of mounting technology formation is poured after superstructure panning techniques and UHPC
Change construction system, easy construction, and more efficient, stable, safety.
The technical solution adopted by the present invention to solve the technical problems is: a kind of superstructure and underground structure synchronous construction
Method, steps are as follows:
S1: guide groove is excavated in below ground, prefabricated diaphram wall is placed in the guide groove and encloses underground structure
Construction area, its short transverse of lateral edge is equipped with corresponding multiple grooves in each diaphram wall, and multiple grooves are by upper
Be followed successively by under the first groove, the second groove ..., N groove, squeeze into more root posts in the Underground Construction region
Stake, ground mounting rails beam and walking mechanism, one end of the track girder are located at the Underground Construction area on construction ground
The top in domain, the other end of the track girder is equipped with the bracket for being used to support the proposed superstructure made, and the bracket can
It is slided along the track girder；
S2: soil layer is excavated in the Underground Construction region to basement one absolute altitude, successively in each underground
First groove of diaphragm wall installs temporary support bracket, and the precast floor slab that multiple overlappings are placed is held on the temporary support ox
Above leg, the precast floor slabs that multiple overlappings are placed from top to bottom be followed successively by the first precast floor slab, the second precast floor slab ...,
N+1 precast floor slab, and it is concordant with ground at the top of first precast floor slab, first precast floor slab and diaphram wall,
Connecting node between stand column pile is connected using rear pouring concrete, completes the construction of underground structure basement one top plate, meanwhile, In
Synchronous construction first layer superstructure on the bracket；
S3: continuing to excavate the temporary support bracket that soil layer is installed in first groove to two layers of underground absolute altitude, dismounting,
The temporary support bracket is successively installed on second groove, will overlapping place the second precast floor slab ..., N+1 it is pre-
Floor processed is transferred and is held on above the temporary support bracket of second groove, and second precast floor slab and underground are continuous
Connecting node between wall, stand column pile is connected using rear pouring concrete, completes the construction of underground structure basement one bottom plate, together
When, synchronous construction second layer superstructure on the bracket；
S4: repeating said steps S3, successively two layers of synchronous construction underground structure underground and third layer superstructure ...,
N-1 layers of flowering structure underground and n-th layer superstructure continue to excavate soil layer to underground N layers of absolute altitude, and the bed course of underground N layers of bottom plate is applied
After work, the N+1 precast floor slab, the connection between the N+1 precast floor slab and diaphram wall, stand column pile are transferred
Node is connected using rear pouring concrete, completes the construction of N layers of underground structure underground, meanwhile, synchronous construction N on the bracket
+ 1 layer of superstructure；
S5: jacking has been built the superstructure of completion and has been translated along the track girder, so that the superstructure is located at institute
The track girder and walking mechanism, the connection of the superstructure and the underground structure are removed in the surface for stating underground structure
Node is connected using rear pouring concrete.
Wherein, N is the integer more than or equal to 2.
Preferably, in the step S2, the precast floor slab and the shape of the underground structure cross section match, described
Position corresponding with the stand column pile is equipped with reserved opening on precast floor slab, so that every block of precast floor slab can run through
The stand column pile.
Preferably, the bottom margin of the precast floor slab reserved opening is equipped with ring beam, passes through cross between the adjacent ring beam
To or longitudinally disposed floor beam be connected as one, the ring beam radially inside be equipped with joint bar, the outside of the stand column pile
Radially it is equipped with shear stud.
Preferably, into the step S4, the precast floor slab and diaphram wall of the underground structure are stood the step S2
Connecting node between stanchion pours structure construction after implementing using ultra-high performance concrete.
Preferably, in the step S2, loop wheel machine platform and loop wheel machine are installed in the Underground Construction overlying regions, it is described
For the vertical strut support of loop wheel machine platform in the diaphram wall or the stand column pile, the loop wheel machine is connected to the loop wheel machine platform
Lateral strut, precast floor slabs that the drag-line of the loop wheel machine bottom is placed through multiple overlappings are simultaneously fixed by nut check, are passed through
It controls the flexible precast floor slab for hanging multiple overlapping placements of the drag-line and is held on the temporary support bracket
Side.
Preferably, it in the step S5, before translating the superstructure, removes the loop wheel machine and the loop wheel machine is flat
Platform.
Preferably, for the step S2 into the step S4, the superstructure uses prefabricated assembled construction.
Effect of the invention is that: the method for superstructure and underground structure synchronous construction of the invention, firstly, prefabricatedly
The floor of flowering structure simultaneously overlaps placement, and construction area construction diaphram wall and stand column pile where underground structure are tied in underground
Attachment rail beam above construction area where structure, and the branch of proposed superstructure is used to support in the installation of the other end of track girder
Frame is being dropped using board-descending method construction underground structure as sub-surface excavates the precast floor slabs for successively reducing multiple overlappings and placing
During low precast floor slab, the precast floor slab of current layer is connect with pouring concrete after diaphram wall, stand column pile, until ground
Flowering structure bottom construction of bottom plates finishes, and synchronously completes the construction of superstructure, finally, having built completion along track girder translation
Superstructure, so that the surface of superstructure structure located underground, and delay-pour joint superstructure and underground structure；The present invention
Construction method superstructure is separated with the construction site of underground structure, not only ensure that the construction space of underground structure, and
And realize that underground structure is synchronous with superstructure, efficiently constructs；For original successively cast-in-place contrary sequence method, the present invention is adopted
With the board-descending method construction underground structure of precast beam structure, cast-in-place structural curing time is saved, construction efficiency greatly improved,
Simultaneously as eliminating the work of formwork erection, security risk is avoided, and saves the resources such as great deal of steel, timber；Cause
This, the present invention is combined by that will build panning techniques, contrary sequence method board-descending method construction technology and prefabricated assembled construction technology, complete
At the synchronous construction of superstructure and underground structure, easy construction and more efficient, stable, safety have ensured construction quality, from
And form a set of industrialized building construction system that can carry out reverse construction easily and fast, safely and in high quality.
Detailed description of the invention
Fig. 1 to Fig. 9 is each step of one embodiment of method of a kind of superstructure and underground structure synchronous construction of the invention
Schematic diagram；
Figure 10 is the precast floor slab of underground structure and the structural schematic diagram of stand column pile in one embodiment of the invention；
Figure 11 is to implement showing for delay-pour joint in one embodiment of the invention between the precast floor slab and stand column pile of underground structure
It is intended to.
Figure label is as follows:
Diaphram wall 10；First groove 11；Second groove 12；Third groove 14；4th groove 15；Stand column pile 16；It is anti-
Cut peg 16a；Track girder 20；Bracket 21；Lateral strut 31；Vertical strut 32；Loop wheel machine 33；Temporary support bracket 40；First is pre-
Floor 51 processed；Ring beam 51a；Floor beam 51b；Joint bar 51c；Second precast floor slab 52；Third precast floor slab 53；4th precast floor slab
54；5th precast floor slab 55；Connecting node 60.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be noted that attached drawing is adopted
With very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating the embodiment of the present invention
Purpose.For sake of convenience, "upper" described below, "lower" are consistent with the upper and lower direction of attached drawing, but this can't be this hair
The limitation of bright technical solution.
Illustrate the method for superstructure and underground structure synchronous construction of the invention in conjunction with Fig. 1 to Figure 11, the present embodiment is quasi-
The superstructure of construction is five layers, and the proposed underground structure made is four layers, the specific steps are as follows:
S1: as shown in Figure 1, behind smooth construction site, guide groove is excavated in below ground, prefabricated underground is placed in guide groove
Diaphragm wall 10 encloses Underground Construction region, its short transverse of lateral edge is equipped with corresponding four in each diaphram wall 10
A groove, is used to install temporary support bracket 40, four grooves be from top to bottom followed successively by the first groove 11, the second groove 12,
Third groove 14 and the 4th groove 15；As shown in Fig. 2, being squeezed into Underground Construction region using one pile for one column form of construction work
More root post stakes 16, on construction ground ground mounting rails beam 20 and walking mechanism (not shown), one end of track girder 20
The top in structure construction region located underground, the other end of track girder 20 are equipped with the bracket for being used to support the proposed superstructure made
21, and bracket 21 can be slided along track girder 20；
S2: as shown in figure 3, excavating soil layer in Underground Construction region to basement one absolute altitude (i.e. the first groove 11
About 2 meters of lower section), temporary support bracket 40 successively is installed in the first groove 11 of each diaphram wall 10, multiple overlappings are put
The precast floor slab set is held on 40 top of temporary support bracket, and temporary support bracket 40 provides interim auxiliary branch for precast floor slab
Support, it is prefabricated that the precast floor slab that multiple overlappings are placed from top to bottom is followed successively by the first precast floor slab 51, the second precast floor slab 52, third
Floor 53, the 4th precast floor slab 54 and the 5th precast floor slab 55, and 51 top of the first precast floor slab is concordant with ground, first is prefabricated
Connecting node 60 between floor 51 and diaphram wall 10, stand column pile 16 is connected using rear pouring concrete, completes underground structure
The construction of basement one top plate, meanwhile, synchronous construction first layer superstructure on the stent 21；
S3: it as shown in figure 4, continuing to excavate soil layer to two layers of underground absolute altitude (i.e. 12 following distance of the second groove), tears open
Except the temporary support bracket 40 being installed in the first groove 11, temporary support bracket 40 is successively installed on the second groove 12, it will
Overlap the second precast floor slab 52 placed, third precast floor slab 53, the 4th precast floor slab 54 and the decentralization of the 5th precast floor slab 55 simultaneously
Be held on the top of temporary support bracket 40 of the second groove 12, the second precast floor slab 52 and diaphram wall 10, stand column pile 16 it
Between connecting node 60 using rear pouring concrete connect, complete underground structure basement one bottom plate construction, that is, complete next
The construction of layer, meanwhile, synchronous construction second layer superstructure on the stent 21；
S4: as shown in Figure 5 and Figure 6, repeating step S3, successively two layers of synchronous construction underground structure underground and third layer ground
Building, underground structure F3/B3 and the 4th layer of superstructure, as shown in fig. 6, continuing to excavate soil layer to four layers of underground absolute altitude, such as
Shown in Fig. 7, the 5th precast floor slab 55 is transferred after the cushion construction of bottom plate, the 5th precast floor slab 55 and diaphram wall 10,
Connecting node 60 between stand column pile 16 is connected using rear pouring concrete, completes the construction of four layers of underground, meanwhile, on the stent 21
Layer 5 superstructure is synchronously completed, certainly, if superstructure is more than five layers, the subsequent of superstructure should be continued and applied
Work；
S5: as shown in figure 8, jacking has been built the superstructure of completion and translated along track girder 20, so that superstructure position
In the surface of underground structure, track girder 20 and walking mechanism are removed, as shown in figure 9, the connection of superstructure and underground structure
Node is connected using rear pouring concrete.
The method of superstructure and underground structure synchronous construction of the invention, firstly, the floor of prefabricated underground structure and folding
It closes and places, construction area construction diaphram wall 10 and stand column pile 16, the construction area where underground structure where underground structure
Attachment rail beam 20 above domain, and it is used to support the bracket 21 of proposed superstructure in the installation of the other end of track girder 20, it uses
Board-descending method construction underground structure, it is prefabricated reducing as sub-surface excavates the precast floor slabs for successively reducing multiple overlappings and placing
During floor, the precast floor slab of current layer is connect with pouring concrete after diaphram wall 10, stand column pile 16, until underground
Structure bottom construction of bottom plates finishes, and synchronously completes the construction of superstructure, finally, having built completion along the translation of track girder 20
Superstructure, so that the surface of superstructure structure located underground, and delay-pour joint superstructure and underground structure；The present invention
Construction method superstructure is separated with the construction site of underground structure, not only ensure that the construction space of underground structure, and
And realize that underground structure is synchronous with superstructure, efficiently constructs；For original successively cast-in-place contrary sequence method, the present invention is adopted
With the board-descending method construction underground structure of precast beam structure, cast-in-place structural curing time is saved, construction efficiency greatly improved,
Simultaneously as eliminating the work of formwork erection, security risk is avoided, and saves the resources such as great deal of steel, timber；Cause
This, the present invention is combined by that will build panning techniques, contrary sequence method board-descending method construction technology and prefabricated assembled construction technology, complete
At the synchronous construction of superstructure and underground structure, easy construction and more efficient, stable, safety have ensured construction quality, from
And form a set of industrialized building construction system that can carry out reverse construction easily and fast, safely and in high quality.
As shown in figs. 3 and 10, in step S2, precast floor slab and the shape of underground structure cross section match, prefabricated building
Position corresponding with stand column pile 16 is equipped with reserved opening on plate, so that every block of precast floor slab can run through stand column pile 16, in advance
Floor processed is connect after underground equivalent layer is in place with pouring concrete after diaphram wall 10, stand column pile 16, is different from existing inverse work
The cast-in-place structural of method, the precast floor slab of the present embodiment is prefabricated by design size in advance, solves the constructional difficulties such as formwork erection
The problem of, moreover, precast floor slab extends transversely through current layer, the primary plate that drops is the positioning for completing current layer floor, be greatly improved
Construction efficiency.
With continued reference to FIG. 10, the bottom margin of the reserved opening of precast floor slab be equipped with ring beam 51a, adjacent ring beam 51a it
Between be connected as one by the floor beam 51b that is laterally or longitudinally arranged, the inside of ring beam 51a (i.e. close to the side of stand column pile 16)
It is radially equipped with joint bar 51c, and the position opposite with ring beam 51a of stand column pile 16 is radially equipped with shear stud 16a, such as Figure 11 institute
Show, after the gap casting concrete between ring beam 51a and stand column pile 16, precast floor slab is connected as with stand column pile 16
One, moreover, slot can also be used certainly in the intensity that the setting of joint bar 51c and shear stud 16a can be improved after-pouring structure
Steel, curved muscle or the other types connector for having reliable basis.
Connecting node of the step S2 into S4, between the precast floor slab and diaphram wall 10, stand column pile 16 of underground structure
60 implemented using ultra-high performance concrete (abbreviation UHPC) after pour structure construction, after pour structure and can not only solve differential settlement but also can reduce
Shrinkage stress.
In step S2, as shown in figure 3, installing loop wheel machine platform and loop wheel machine 33 in Underground Construction overlying regions, loop wheel machine is flat
The vertical strut 32 of platform is supported in diaphram wall 10 or stand column pile 16, and loop wheel machine 33 is uniformly distributed and is connected to the lateral branch of loop wheel machine platform
The rope of bar 31,33 bottom of loop wheel machine is fixed through multiple precast floor slabs for overlapping placement and by nut check, by loop wheel machine and loop wheel machine
Platform undertakes as the main stress of precast floor slab, and sufficient operating space, constructor can be reserved for the construction of underground structure
Member controls the cord retraction of loop wheel machine by control system, hangs the precast floor slabs of multiple overlapping placements in temporary support bracket 40,
By and Auxiliary support of the temporary support bracket 40 as precast floor slab.Similar, in step S3 and S4, pass through stretching for control rope
Remaining precast floor slab is transferred in contracting, and details are not described herein again.
In step S5, before translating superstructure, loop wheel machine 33 and loop wheel machine platform are removed, is the translation of subsequent superstructure
Construction provides construction space.
For step S2 into S4, the superstructure outside foundation pit place uses prefabricated assembled construction, can be improved and builds on the ground
The construction efficiency built realizes the synchronous construction with underground structure.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to scope of the claims.
Claims (7)
1. a kind of method of superstructure and underground structure synchronous construction, which is characterized in that steps are as follows:
S1: guide groove is excavated in below ground, prefabricated diaphram wall is placed in the guide groove and encloses Underground Construction
Region, its short transverse of lateral edge is equipped with corresponding multiple grooves in each diaphram wall, and multiple grooves are from top to bottom
Be followed successively by the first groove, the second groove ..., N groove, more root post stakes, In are squeezed into the Underground Construction region
Construction site ground mounting rails beam and walking mechanism, one end of the track girder are located at the top in the Underground Construction region
Portion, the other end of the track girder is equipped with the bracket for being used to support the proposed superstructure made, and the bracket can be along described
Track girder sliding；
S2: excavation soil layer is successively continuous in each underground to basement one absolute altitude in the Underground Construction region
First groove of wall installs temporary support bracket, and the precast floor slab that multiple overlappings are placed is held on the temporary support bracket
Side, it is multiple overlapping place the precast floor slabs be from top to bottom followed successively by the first precast floor slab, the second precast floor slab ..., N+1
Precast floor slab, and concordant with ground at the top of first precast floor slab, first precast floor slab and diaphram wall, stand column pile
Between connecting node using rear pouring concrete connect, complete underground structure basement one top plate construction, meanwhile, in the branch
Synchronous construction first layer superstructure on frame；
S3: continue to excavate soil layer to two layers of underground absolute altitude, the temporary support bracket being installed in first groove is removed, by institute
State temporary support bracket and be successively installed on second groove, will overlapping place the second precast floor slab ..., the prefabricated building N+1
Plate is transferred and is held on above the temporary support bracket of second groove, and second precast floor slab and diaphram wall are stood
Connecting node between stanchion is connected using rear pouring concrete, completes the construction of underground structure basement one bottom plate, meanwhile, in institute
State synchronous construction second layer superstructure on bracket；
S4: repeating said steps S3, successively two layers of synchronous construction underground structure underground and third layer superstructure ..., underground knot
N-1 layers of structure underground and n-th layer superstructure continue to excavate soil layer to underground N layers of absolute altitude, and the cushion construction of underground N layers of bottom plate is complete
Bi Hou transfers the N+1 precast floor slab, the connecting node between the N+1 precast floor slab and diaphram wall, stand column pile
It is connected using rear pouring concrete, completes the construction of N layers of underground structure underground, meanwhile, N+1 layers of synchronous construction on the bracket
Superstructure；
S5: jacking has been built the superstructure of completion and has been translated along the track girder, so that the superstructure is located at describedly
The track girder and walking mechanism, the connecting node of the superstructure and the underground structure are removed in the surface of flowering structure
It is connected using rear pouring concrete.
Wherein, N is the integer more than or equal to 2.
2. the method for superstructure according to claim 1 and underground structure synchronous construction, it is characterised in that: the step
In S2, the precast floor slab and the shape of the underground structure cross section match, on the precast floor slab with the stand column pile
Corresponding position is equipped with reserved opening, so that every block of precast floor slab can run through the stand column pile.
3. the method for superstructure according to claim 2 and underground structure synchronous construction, it is characterised in that: described prefabricated
The bottom margin of floor slab preformed hole mouth is equipped with ring beam, is connected between the adjacent ring beam by the floor beam being laterally or longitudinally arranged
It is integrated, the ring beam is radially inside equipped with joint bar, and the stand column pile is equipped with shear stud radially outside.
4. the method for superstructure according to claim 1 and underground structure synchronous construction, it is characterised in that: the step
Into the step S4, the connecting node between the precast floor slab and diaphram wall, stand column pile of the underground structure uses S2
Ultra-high performance concrete pours structure construction after implementing.
5. the method for superstructure according to claim 1 and underground structure synchronous construction, it is characterised in that: the step
In S2, loop wheel machine platform and loop wheel machine, the vertical strut support of the loop wheel machine platform are installed in the Underground Construction overlying regions
In the diaphram wall or the stand column pile, the loop wheel machine is connected to the lateral strut of the loop wheel machine platform, the loop wheel machine bottom
The drag-line in portion is fixed through multiple precast floor slabs for overlapping placement and by nut check, and being stretched by the control drag-line, it is more to hang
The precast floor slab of a overlapping placement is simultaneously held on above the temporary support bracket.
6. the method for superstructure according to claim 1 and underground structure synchronous construction, it is characterised in that: the step
In S5, before translating the superstructure, the loop wheel machine and the loop wheel machine platform are removed.
7. the method for superstructure according to claim 1 and underground structure synchronous construction, it is characterised in that: the step
For S2 into the step S4, the superstructure uses prefabricated assembled construction.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031860A1 (en) * | 2019-08-22 | 2021-02-25 | 上海建工二建集团有限公司 | Beam lowering construction method of subsurface structure in top-down method |
| CN112538970A (en) * | 2020-12-24 | 2021-03-23 | 许巧祥 | Local descending plate structure construction method for development floor on vehicle section cover |
| CN112982484A (en) * | 2021-03-04 | 2021-06-18 | 中国建筑第八工程局有限公司 | Semi-synchronous sequential construction method for underground and overground structure |
| CN115559351A (en) * | 2022-10-24 | 2023-01-03 | 中建三局集团华南有限公司 | Reverse construction method for all-steel-structure multi-layer basement |
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| CN105113540A (en) * | 2015-09-01 | 2015-12-02 | 上海域邦建设集团有限公司 | Construction method for newly-built large deep foundation pit basements under protection building |
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| WO2021031860A1 (en) * | 2019-08-22 | 2021-02-25 | 上海建工二建集团有限公司 | Beam lowering construction method of subsurface structure in top-down method |
| CN112538970A (en) * | 2020-12-24 | 2021-03-23 | 许巧祥 | Local descending plate structure construction method for development floor on vehicle section cover |
| CN112982484A (en) * | 2021-03-04 | 2021-06-18 | 中国建筑第八工程局有限公司 | Semi-synchronous sequential construction method for underground and overground structure |
| CN112982484B (en) * | 2021-03-04 | 2022-07-12 | 中国建筑第八工程局有限公司 | Semi-synchronous sequential construction method for underground and overground structure |
| CN115559351A (en) * | 2022-10-24 | 2023-01-03 | 中建三局集团华南有限公司 | Reverse construction method for all-steel-structure multi-layer basement |
| CN115559351B (en) * | 2022-10-24 | 2023-08-08 | 中建三局集团华南有限公司 | Reverse construction method for multi-layer basement of all-steel structure |
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