CN205742262U - Concrete prefabricated board pin-connected panel underground structure - Google Patents
Concrete prefabricated board pin-connected panel underground structure Download PDFInfo
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- CN205742262U CN205742262U CN201620413962.4U CN201620413962U CN205742262U CN 205742262 U CN205742262 U CN 205742262U CN 201620413962 U CN201620413962 U CN 201620413962U CN 205742262 U CN205742262 U CN 205742262U
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Abstract
The utility model discloses a kind of concrete prefabricated board pin-connected panel underground structure, by metope, top board and horizontal baffle are constituted, described metope by multiple precast concrete wall panels vertically to level to being spliced, described top board is made up of spaced multiple precast concrete top boards and the top board cast-in-place splicing concrete being cast between contiguous prefabricated concrete roof, the quantity of described horizontal baffle and the number of plies of position and concrete prefabricated board pin-connected panel underground structure is set and arranges consistent, horizontal baffle is made up of spaced multiple precast concrete dividing plates and the dividing plate cast-in-place splicing concrete being cast between contiguous prefabricated concrete diaphragm.This utility model can use factorial praluction, utilizes big machinery to construct, it is possible to saves manpower, reduces cost, speed of application soon, reliable in quality, it is possible to reduce quantities, and accelerating construction progress saves the expense of deep foundation pit support.
Description
Technical field
This utility model belongs to civil construction project field, relates to a kind of concrete prefabricated board pin-connected panel underground structure.
Background technology
China is carrying forward vigorously prefabrication and assembly construction overall structure, but these fabricated constructions are all to be only confined in superstructure at present, for underground structure, in tunneling shield, only employ lamellar splicing, push pipe employs square shape structure assembled, for the general underground structure having a large capacity and a wide range, the most still cast-type construction is used, the construction of cast-in-place method spends manpower many, inefficiency, and construction costs is high.This utility model uses assembled method to be applied in underground structure by precast slab first, and it uses factorial praluction, and main equipment is assembled, and efficiency of construction is high, and reliable in quality, construction cost is low.
Utility model content
Technical problem: this utility model provides one can use factorial praluction, available big machinery is constructed, manpower can be saved, reduction cost, speed of application are fast, the concrete prefabricated board pin-connected panel underground structure of reliable in quality, quantities, accelerating construction progress can be reduced, save the expense of deep foundation pit support.This utility model provides the construction method of a kind of above-mentioned underground structure simultaneously.
Technical scheme: a kind of concrete prefabricated board pin-connected panel underground structure of the present utility model, by metope, top board and horizontal baffle are constituted, described metope by multiple precast concrete wall panels vertically to level to being spliced, described top board is made up of spaced multiple precast concrete top boards and the top board cast-in-place splicing concrete being cast between contiguous prefabricated concrete roof, the quantity of described horizontal baffle and the number of plies of position and concrete prefabricated board pin-connected panel underground structure is set and arranges consistent, horizontal baffle is made up of spaced multiple precast concrete dividing plates and the dividing plate cast-in-place splicing concrete being cast between contiguous prefabricated concrete diaphragm.
Further, in this utility model underground structure, described precast concrete wall panel is spliced into one by the groove of the side that sets within it and precast concrete dividing plate, it is provided with waterstop, supporting sleeve in described groove, is embedded in precast concrete wall panel the level connection joint muscle in order to connect reinforcing bar in precast concrete dividing plate, described supporting sleeve is steel pipe, being enclosed within the outside of reinforcing bar inside groove, two ends are cast in precast concrete wall panel.
Further, in this utility model underground structure, described precast concrete wall panel is provided with wallboard bracket at the position being connected with precast concrete top board, described precast concrete top board be provided below top board bracket, the top board jack acted between described top board bracket and wallboard bracket, for fixing the muscle that hangs of top board jack, the surrounding of precast concrete top board is provided with waterstop and dowel.
Further, in this utility model underground structure, described precast concrete dividing plate is provided above with dividing plate bracket, the counter-force seat being connected with described dividing plate bracket, and acting on the dividing plate jack between described counter-force seat and precast concrete wall panel, the surrounding of precast concrete dividing plate is provided with waterstop and dowel.
Further, in this utility model underground structure, the section form of described precast concrete wall panel, precast concrete top board and precast concrete dividing plate has: flat board, ribbed plate, two-way beam porous plate or trough plate, and described ribbed plate is to be provided with the horizontal ribs of interlaced arrangement and vertical rib on the facade of flat board；Described two-way beam porous plate be level to the porous plate being vertically provided with cross one another beam.
Further, in this utility model underground structure, it is respectively arranged with half vertical slotted eye on the left and right end face of described precast concrete wall panel and connects contract mouth, the sliding connection contract mouth that described connection contract mouth is made up of with pin thread female groove, its form is that circular contract mouth, L-shaped connection contract mouth or the spill of connecting connects contract mouth, contiguous prefabricated concrete panel is assemblied into one by connecting being slidably connected of contract mouth, after assembly, half slotted eye correspondence of horizontal precast concrete wall panel closes up one complete sealing slotted eye of formation, is filled with sealing material in described sealing slotted eye.The horizontal tongue-and-groove being made up of tenon and groove it is provided with on the upper and lower end face of precast concrete wall panel, neighbouring precast concrete wall panel is connected as a single entity by the grafting of tongue-and-groove, vertical post-tensioned prestressing muscle hole it is provided with on each precast concrete wall panel, the post-tensioned prestressing muscle hole of the one group of precast concrete wall panel spliced vertically upward is directed at up and down, and is provided with post-tensioned prestressing muscle wherein.
Wherein, in this utility model, the form of the horizontal tongue-and-groove of precast concrete wall panel upper and lower end face can be trapezoid tongue groove, semicircle tongue-and-groove or triangle tongue-and-groove.
Further, in this utility model underground structure, described post-tensioned prestressing muscle is the steel strand wires vertically running through each precast concrete wall panel or finish rolling deformed bar, and the segmentation when construction of described presstressed reinforcing steel is anchored on each precast concrete wall panel at the aperture in presstressed reinforcing steel hole.
The construction method of structure of the present utility model above-mentioned concrete prefabricated board pin-connected panel underground structure, comprises the following steps:
1) use construction machinery stirring that soil shear failure becomes clay coating, mud or grooving；
2) first block of precast concrete wall panel is sunk to underground by design requirement, and fix temporarily, brushing binding agent, water-stop on its top face, splice follow-up precast concrete wall panel successively and penetrate presstressed reinforcing steel on vertical again, continue sinking operation, until after reaching design requirement, stretch-draw post-tensioned prestressing muscle；
3) the most successively according to above-mentioned steps 2) mode construct precast concrete wall panel, and precast concrete wall panel adjacent for level installed be stitched together, until completing the construction of whole wallboard；
4) earth excavation is to below wallboard bracket designed elevation, with the lower section hanging muscle and being fixed on by top board jack precast concrete top board, then lifting by crane this precast concrete top board, and be installed on wallboard bracket, mode completes the installation of all precast concrete top boards like this；
5) oil pump is started so that the top power of top board jack reaches to design requirement；
6) continue earth excavation, until it reaches designed elevation, by the lifting of precast concrete dividing plate to design attitude, counter-force seat and dividing plate jack are installed, and with holding out against by jack；Complete the installation of all precast concrete dividing plates in this way, for the precast concrete dividing plate of the bottom, use limit casting concrete bed course, the mode of limit lifting to install；
7) from bottom to top the reinforcing bar of precast concrete dividing plate surrounding is connected with each other, colligation top bars, pours dividing plate cast-in-place splicing concrete；
8) reinforcing bar of precast concrete top board surrounding is connected with each other, colligation top bars, pours top board cast-in-place splicing concrete.
Further, in this utility model method, described step 1) in construction machinery be that tri-axes deep mixing stake machine, chain stir machine, ground-connecting-wall chute forming machine or mix and blend wall type diaphram wall machine (commonly referred to as TRD in engineering), described step 3) in, after completing the construction of whole wallboard, clean vertical sealing slotted eye, and inject impervious material.
Further, in this utility model method, step 1) in, the precast concrete wall panel that level is adjacent is stitched together by connecting the installation of contract mouth.
Use this utility model various sheet materials can be assembled into underground structure, in construction period, first precast concrete wall panel of the present utility model serves the gear soil sealing effect in deep foundation pit support, the most in a state of use, may also operate as the effect of uplift pile, thus eliminate the most again uplift pile.As can be seen here, apply this technology can decrease quantities, accelerating construction progress, save the expense of deep foundation pit support.
Beneficial effect: compared with prior art, this utility model has the advantage that
1, precoated plate assembly unit construction deep pit support skirting is used first, this prefabricated panel can not only play deep foundation pit support effect, but also is the exterior wall of underground structure, is the uplift pile of underground structure, interim supporting construction and permanent wallboard are united two into one, decreases quantities；
2, in the secondary top board that precast concrete is applied to underground structure and dividing plate, this precast concrete is played a supporting role during construction, is again top board and the dividing plate of underground structure in operational phase, and a component multiple action reduces cost；
3, groove, supporting sleeve and waterstop are set, it is ensured that prefabricated panel and the effective force of dividing plate and stagnant water effect on wallboard；
4, top board bracket is set on top board, hangs muscle, jack, dividing plate arranges dividing plate bracket, counter-force seat, dividing plate jack, rely on this two systems, so that during earth excavation, the pre-erection of top board and dividing plate also serves as inner support；Eliminate inner support, save investment.
5, by arranging female groove, pin thread, this a pair sliding connection contract mouth, horizontal tongue-and-groove is set, including tenon and groove, neighbouring wallboard is connected as a single entity by the grafting of tongue-and-groove, wall panel element arranges vertical post-tensioned prestressing muscle hole, post-tensioned prestressing muscle, solves connection and the power transmission problem of prefabricated panel.By arranging tank hole, sealing material solve the sealing problem of wallboard.
6, groove, which solves the power transmission between dividing plate and wallboard and sealing problem；
7, supporting sleeve, which solves in manufacturing process, because wallboard has had groove, and the prestressed problem of transmission that presstressed reinforcing steel produces, it is ensured that the safety problem of prefabricated components in making, transportation.
Accompanying drawing explanation
Fig. 1 is concrete prefabricated board pin-connected panel underground structure schematic top plan view of the present utility model.
Fig. 2 is concrete prefabricated board pin-connected panel underground structure 1-1 generalized section of the present utility model.
Fig. 3 is concrete prefabricated board pin-connected panel underground structure 2-2 generalized section of the present utility model.
Fig. 4 is concrete prefabricated board pin-connected panel underground structure 3-3 generalized section of the present utility model.
Fig. 5 is the groove schematic diagram on precast concrete wall panel of the present utility model.
Fig. 6 is the ribbed plate elevational schematic view in precast concrete wall panel of the present utility model.
Fig. 7 is the vertical cross-section schematic diagram in Fig. 6 of the present utility model
Fig. 8 is the floor map of precast concrete wall panel of the present utility model
Fig. 9 is concrete prefabricated board pin-connected panel underground structure plate section schematic diagram of the present utility model
Figure 10 is concrete prefabricated board pin-connected panel underground structure two-way beam porous plate elevational schematic view of the present utility model
Figure 11 is concrete prefabricated board pin-connected panel underground structure two-way beam porous plate schematic cross-section of the present utility model
Figure 12 is that concrete prefabricated board pin-connected panel underground structure circle of the present utility model connects contract mouth schematic diagram
Figure 13 is that concrete prefabricated board pin-connected panel underground structure L-shaped of the present utility model connects contract mouth schematic diagram
Figure 14 is that concrete prefabricated board pin-connected panel underground structure spill of the present utility model connects contract mouth schematic diagram
Figure 15 is precast slab pin-connected panel underground structure upper and lower end face upper trapezoid tenon and the tongue-and-groove schematic diagram of the present invention
Figure 16 is circular tenon and tongue-and-groove schematic diagram on concrete prefabricated board pin-connected panel underground structure upper and lower end face of the present utility model.
Figure has: precast concrete wall panel 1, precast concrete top board 2, precast concrete dividing plate 3, top board cast-in-place splicing concrete 4, dividing plate cast-in-place splicing concrete 5, waterstop 6, sealing slotted eye 7, sealing material 8, post-tensioned prestressing muscle 9, supporting sleeve 11, it is vertically connected with muscle 12, wallboard bracket 13, female groove 14, pin thread 15, tenon 16, groove 17, tension prestress muscle hole 18, top board bracket 21, hang muscle 22, top board jack 23, dividing plate bracket 31, counter-force seat 32, dividing plate jack 33.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, technical scheme of the present utility model is described in further details.
Concrete prefabricated board pin-connected panel underground structure of the present utility model, including metope, top board and horizontal baffle are constituted, described metope by multiple precast concrete wall panels vertically to level to being spliced, described top board is made up of spaced multiple precast concrete top boards 2 and the top board cast-in-place splicing concrete 4 being cast between contiguous prefabricated concrete roof 2, the quantity of described horizontal baffle and the number of plies of position and concrete prefabricated board pin-connected panel underground structure is set and arranges consistent, horizontal baffle is made up of spaced multiple precast concrete dividing plates 3 and the dividing plate cast-in-place splicing concrete 5 being cast between contiguous prefabricated concrete diaphragm 3.Precast concrete wall panel 1 is provided with wallboard bracket 13 at the position being connected with precast concrete top board 2, described precast concrete top board 2 is provided below top board bracket 21, the top board jack 23 acted between described top board bracket 21 and wallboard bracket 13, hangs muscle 22 for fix top board jack 23, and the surrounding of precast concrete top board 2 is provided with waterstop 6.Precast concrete dividing plate 3 is provided above with dividing plate bracket 31, the counter-force seat 32 being connected with described dividing plate bracket 31, and acts on the dividing plate jack between described counter-force seat 32 and precast concrete wall panel 1.
In this utility model, the section form of precast concrete wall panel 1, precast concrete top board 2 and precast concrete dividing plate 3 can be: flat board, ribbed plate, two-way beam porous plate or trough plate, and described ribbed plate is to be provided with the horizontal ribs of interlaced arrangement and vertical rib on the facade of flat board；Described two-way beam porous plate be level to the porous plate being vertically provided with cross one another beam.
In this utility model one preferred embodiment, precast concrete wall panel 1 is spliced into one by the groove of the side that sets within it and precast concrete dividing plate 3, it is provided with waterstop 6, supporting sleeve 11 in described groove, is embedded in precast concrete wall panel 1 the level connection joint muscle 12 in order to connect reinforcing bar in precast concrete dividing plate 3, described supporting sleeve 11 is steel pipe, being enclosed within the outside of reinforcing bar inside groove, two ends are cast in precast concrete wall panel 1.
In preferred embodiment, it is respectively arranged with half vertical slotted eye on the horizontal end face of precast concrete wall panel 1 and connects contract mouth, the sliding connection contract mouth that described connection contract mouth is made up of with pin thread 15 female groove 14, its form is that circular contract mouth, L-shaped connection contract mouth or the spill of connecting connects contract mouth, contiguous prefabricated concrete panel 1 is assemblied into one by connecting being slidably connected of contract mouth, after assembly, half slotted eye correspondence of horizontal precast concrete wall panel 1 closes up one complete sealing slotted eye 7 of formation, is filled with sealing material 8 in described sealing slotted eye 7.The horizontal tongue-and-groove being made up of tenon 16 and groove 17 it is provided with on the upper and lower end face of precast concrete wall panel 1, neighbouring precast concrete wall panel 1 is connected as a single entity by the grafting of tongue-and-groove, vertical post-tensioned prestressing muscle hole 18 it is provided with on each precast concrete wall panel, the post-tensioned prestressing muscle hole about 18 of the one group of precast concrete wall panel spliced vertically upward is directed at, and is provided with post-tensioned prestressing muscle 9 wherein.Post-tensioned prestressing muscle 9 is the steel strand wires vertically running through each precast concrete wall panel or finish rolling deformed bar, and the segmentation when construction of described presstressed reinforcing steel is anchored on each precast concrete wall panel at the aperture in presstressed reinforcing steel hole 18.
The construction method of structure of the present utility model above-mentioned concrete prefabricated board pin-connected panel underground structure, comprises the following steps:
1) use construction machinery stirring that soil shear failure becomes clay coating, mud or grooving；Construction machinery is that tri-axes deep mixing stake machine, chain stir machine, ground-connecting-wall chute forming machine or mix and blend wall type diaphram wall machine (commonly referred to as TRD in engineering)；
2) first block of precast concrete wall panel 1 is sunk to underground by design requirement, and fix, brushing binding agent, water-stop on its top face temporarily, then splice follow-up precast concrete wall panel 1 successively and penetrate presstressed reinforcing steel 9 on vertical, until after reaching design requirement, stretch-draw post-tensioned prestressing muscle 9；
3) the most successively according to above-mentioned steps 2) mode construct precast concrete wall panel 1, and precast concrete wall panel 1 adjacent for level is installed splicing, until completing the construction of whole wallboard, then cleaning vertical sealing slotted eye 7, and injecting impervious material 8.
4) earth excavation is to below wallboard bracket 13 designed elevation, with the lower section hanging muscle 22 and being fixed on by top board jack 23 precast concrete top board 2, then lifting by crane this precast concrete top board 2, and be installed on wallboard bracket 13, mode completes the installation of all precast concrete top boards 2 like this；
5) oil pump is started so that the top power of top board jack 23 reaches to design requirement；
6) continue earth excavation, until it reaches designed elevation, precast concrete dividing plate 3 is lifted to design attitude, counter-force seat 32 and dividing plate jack 33 are installed, and with holding out against by jack；Complete the installation of all precast concrete dividing plates 3 in this way, for the precast concrete dividing plate 3 of the bottom, use limit casting concrete bed course, the mode of limit lifting to install；
7) from bottom to top the reinforcing bar of precast concrete dividing plate 3 surrounding is connected with each other, colligation top bars, pours dividing plate cast-in-place splicing concrete 5；
8) reinforcing bar of precast concrete top board 2 surrounding is connected with each other, colligation top bars, pours top board cast-in-place splicing concrete 4.
Claims (7)
1. a concrete prefabricated board pin-connected panel underground structure, it is characterized in that, this underground structure is by metope, top board and horizontal baffle are constituted, described metope by multiple precast concrete wall panels (1) vertically to level to being spliced, described top board is made up of spaced multiple precast concrete top boards (2) and the top board cast-in-place splicing concrete (4) being cast between contiguous prefabricated concrete roof (2), the quantity of described horizontal baffle and the number of plies of position and concrete prefabricated board pin-connected panel underground structure is set and arranges consistent, horizontal baffle is made up of spaced multiple precast concrete dividing plates (3) and the dividing plate cast-in-place splicing concrete (5) being cast between contiguous prefabricated concrete diaphragm (3).
Concrete prefabricated board pin-connected panel underground structure the most according to claim 1, it is characterized in that, described precast concrete wall panel (1) is spliced into one by the groove of the side that sets within it and precast concrete dividing plate (3), it is provided with waterstop (6), supporting sleeve (11) in described groove, is embedded in precast concrete wall panel (1) the level connection joint muscle (12) in order to connect reinforcing bar in precast concrete dividing plate (3), described supporting sleeve (11) is steel pipe, being enclosed within the outside of reinforcing bar inside groove, two ends are cast in precast concrete wall panel (1).
Concrete prefabricated board pin-connected panel underground structure the most according to claim 1, it is characterized in that, described precast concrete wall panel (1) is provided with wallboard bracket (13) at the position being connected with precast concrete top board (2), described precast concrete top board (2) be provided below top board bracket (21), the top board jack (23) acted between described top board bracket (21) and wallboard bracket (13), be used for fixing top board jack (23) hang muscle (22), the surrounding of precast concrete top board (2) is provided with waterstop (6) and dowel.
4. according to the concrete prefabricated board pin-connected panel underground structure described in claim 1,2 or 3, it is characterized in that, described precast concrete dividing plate (3) is provided above with dividing plate bracket (31), the counter-force seat (32) being connected with described dividing plate bracket (31), and acting on the dividing plate jack (33) between described counter-force seat (32) and precast concrete wall panel (1), the surrounding of precast concrete dividing plate (3) is provided with waterstop (6) and dowel.
5. according to the concrete prefabricated board pin-connected panel underground structure described in claim 1,2 or 3, it is characterized in that, the section form of described precast concrete wall panel (1), precast concrete top board (2) and precast concrete dividing plate (3) has: flat board, ribbed plate, two-way beam porous plate or trough plate, and described ribbed plate is to be provided with the horizontal ribs of interlaced arrangement and vertical rib on the facade of flat board；Described two-way beam porous plate be level to the porous plate being vertically provided with cross one another beam.
6. according to claim 1, concrete prefabricated board pin-connected panel underground structure described in 2 or 3, it is characterized in that, it is respectively arranged with half vertical slotted eye on the left and right end face of described precast concrete wall panel (1) and connects contract mouth, the sliding connection contract mouth that described connection contract mouth is made up of with pin thread (15) female groove (14), its form is circular connection contract mouth, L-shaped connects contract mouth or spill connects contract mouth, contiguous prefabricated concrete panel (1) is assemblied into one by connecting being slidably connected of contract mouth, after assembly, half slotted eye correspondence on two adjacent precast concrete wall panels (1) closes up one complete sealing slotted eye (7) of formation, described sealing slotted eye (7) is filled with sealing material (8)；
The horizontal tongue-and-groove being made up of tenon (16) and groove (17) it is provided with on the upper and lower end face of described precast concrete wall panel (1), neighbouring precast concrete wall panel (1) is connected as a single entity by the grafting of tongue-and-groove, vertical post-tensioned prestressing muscle hole (18) it is provided with on each precast concrete wall panel (1), the post-tensioned prestressing muscle hole (18) of the one group of wall panel element spliced vertically upward is directed at up and down, and is provided with post-tensioned prestressing muscle (9) wherein.
Concrete prefabricated board pin-connected panel underground structure the most according to claim 6, it is characterized in that, described post-tensioned prestressing muscle (9) is the steel strand wires vertically running through each precast concrete wall panel (1) or finish rolling deformed bar, and the segmentation when construction of described presstressed reinforcing steel is anchored at the aperture in the upper presstressed reinforcing steel hole (18) of each precast concrete wall panel (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620413962.4U CN205742262U (en) | 2016-05-09 | 2016-05-09 | Concrete prefabricated board pin-connected panel underground structure |
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| CN201620413962.4U CN205742262U (en) | 2016-05-09 | 2016-05-09 | Concrete prefabricated board pin-connected panel underground structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951880A (en) * | 2016-05-09 | 2016-09-21 | 江苏鸿基节能新技术股份有限公司 | Assembled underground structure of precast concrete planks and construction method thereof |
| CN107387157A (en) * | 2017-09-10 | 2017-11-24 | 沈阳建筑大学 | A kind of buried large-scale anti-war ball-type Dungeon of taking precautions against natural calamities |
| CN108643226A (en) * | 2018-07-30 | 2018-10-12 | 金陵科技学院 | A kind of Retaining Wall and construction method |
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2016
- 2016-05-09 CN CN201620413962.4U patent/CN205742262U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951880A (en) * | 2016-05-09 | 2016-09-21 | 江苏鸿基节能新技术股份有限公司 | Assembled underground structure of precast concrete planks and construction method thereof |
| CN107387157A (en) * | 2017-09-10 | 2017-11-24 | 沈阳建筑大学 | A kind of buried large-scale anti-war ball-type Dungeon of taking precautions against natural calamities |
| CN108643226A (en) * | 2018-07-30 | 2018-10-12 | 金陵科技学院 | A kind of Retaining Wall and construction method |
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