CN205591210U - Formula cast member and construction assembly are spliced to underground - Google Patents
Formula cast member and construction assembly are spliced to underground Download PDFInfo
- Publication number
- CN205591210U CN205591210U CN201620413919.8U CN201620413919U CN205591210U CN 205591210 U CN205591210 U CN 205591210U CN 201620413919 U CN201620413919 U CN 201620413919U CN 205591210 U CN205591210 U CN 205591210U
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- member unit
- underground
- precast concrete
- construction
- spliced
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- 238000010276 construction Methods 0.000 title claims abstract description 76
- 239000011178 precast concrete Substances 0.000 claims description 52
- 210000003205 muscle Anatomy 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000003566 sealing material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 210000002435 tendon Anatomy 0.000 abstract 3
- 238000009412 basement excavation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a formula cast member and construction assembly are spliced to underground, this component by a plurality of cast member units perpendicularly to forming to the concatenation with the level, be provided with horizontal tenon and tongue -and -groove on the upper and lower terminal surface of component unit, it is even as an organic whole that upper and lower adjacent component unit passes through the grafting of tenon and tongue -and -groove, being provided with on the terminal surface about the component unit and connecting the contract mouth, it is even as an organic whole through connecting the contract mouth to control adjacent component unit, is provided with vertical posttension prestressing tendons hole on every component unit, and the perpendicular posttension prestressing tendons hole that makes progress a set of component unit of concatenation is aimed at from top to bottom to wherein be provided with posttension prestressing tendons. The utility model discloses can practice thrift the cost, reduce the cost, construction speed is fast, the quality is reliable, can be used as dark excavation supporting, side slope support etc. Has the soil of keeping off, the stagnant water acts on.
Description
Technical field
This utility model belongs to civil construction project field, relates to a kind of ground downward joint type precast concrete and construction assembly.
Background technology
Can accomplish that the only diaphram wall of pile wall interaction is a kind of at present in deep foundation pit support, existing diaphram wall is the construction of cast-in-place method, in-site pouring concrete, its not only field operation amount big, cost is somewhat expensive, and difficult quality guarantee, the most easily cause ground additional settlement during construction, cause nearby buildings subsidence crack, cause engineering accident.The most still there is no spliced prefabrication and assembly construction continuous underground wall structure at present.
Utility model content
Technical problem:This utility model provides a kind of cost-saved, reduction cost, speed of application are fast, the ground downward joint type precast concrete of reliable in quality, precast concrete unit spliced can be become Large Underground precast concrete, or underground precast concrete wall, it can serve as deep foundation pit support, subterranean tunnel supporting, the supporting of underground pipe gallery and piping lane wallboard, slope retaining etc., has gear soil, sealing effect.This utility model provides a kind of underground spliced precast concrete construction assembly simultaneously.
Technical scheme:The spliced precast concrete in a kind of underground of the present utility model, by multiple precast concrete unit vertically to level to being spliced, horizontal tenon and tongue-and-groove it is provided with on the upper and lower end face of described member unit, neighbouring member unit is connected as a single entity by the grafting of tenon and tongue-and-groove, connection contract mouth it is provided with on the left and right end face of described member unit, left and right adjacent members unit is connected as a single entity by connecting contract mouth, vertical post-tensioned prestressing muscle hole it is provided with on each member unit, the post-tensioned prestressing muscle hole of the one group of member unit spliced vertically upward is directed at up and down, and it is provided with post-tensioned prestressing muscle wherein.
Further, in this utility model component, described post-tensioned prestressing muscle is steel strand wires or the finish rolling deformed bar running through each vertical member unit, and the segmentation when construction of described presstressed reinforcing steel is anchored at the aperture in each member unit presstressed reinforcing steel hole.
Further, in this utility model component, the horizontal cross-section of described member unit is elliptical aperture shape, I-shaped or trough plate in square hollow, double square hollow, flat board, ribbed plate, porous plate, square-outside and round-inside hole shape, foreign side, and described ribbed plate is to be provided with the horizontal ribs of interlaced arrangement and vertical rib on the facade of flat board.
Further, in this utility model component, described connection contract mouth is made up of the pin thread on the female groove being fixed on a member unit and adjacent members unit, described female groove and pin thread are that pair of sliding is connected contract mouth, its form is that circular contract mouth, L-shaped connection contract mouth or the spill of connecting connects contract mouth, two adjacent unit spliceds, by connecting being slidably connected of contract mouth, are integrated by left and right adjacent members unit；The cross sectional shape of described horizontal tenon and tongue-and-groove is semicircle, triangle or trapezoidal.
Further, in this utility model component, member unit left and right end face being respectively arranged with half vertical slotted eye, half slotted eye correspondence of left and right adjacent members unit closes up one complete sealing slotted eye of formation, is filled with sealing material in described sealing slotted eye.
nullUnderground of the present utility model spliced precast concrete construction assembly，Including the member unit in the above-mentioned spliced precast concrete in underground and the constructing device being arranged on this member unit left and right end face，Described constructing device includes support、With support, the stirring-head being connected is installed，Described stirring-head can overturn mobile and locking positioning between member lower and side，In being applied to underground spliced precast concrete construction，Construct the first width component time，This assembly includes each installation one set of construction device being arranged on the end face of member unit left and right，The two respective stirring-heads of covering device are when upset is moved to member unit lower end，Their projected area sum is not less than the twice of member unit cross-sectional area，And the center superposition on member unit cross-section center and two stirring-head perspective planes，In the construction of the most each width component，This assembly only need to install one set of construction device on the left side of member unit or right side.
Further, in construction assembly of the present utility model, fixing locking device, switching mechanism, translation mechanism, steel wire rope it is provided with on described support, described stirring-head includes arranging power set on the bracket, thrust wheel, the chain that driven by described power set, stirrer gear head it is provided with outside described chain, inner side is connected installation with thrust wheel, the stirring-head of its correspondence can be overturn between level and vertical state by described switching mechanism, and the stirring-head of its correspondence can be moved horizontally by described translation mechanism.
The construction method of the spliced precast concrete in this utility model underground, comprises the following steps:
1) above-mentioned underground spliced precast concrete construction assembly is used, each installation one set of construction device on the member unit left and right end face of described construction assembly, two stirring-heads are all adjusted to member unit lower end, is locked, then hang to construction station；
2) being supplied water at stirring-head by water injection pipe, start stirring-head, the stirring soil body carries out sinking operation, the stirring soil body below component and water mix and blend become mud or clay coating, until first segment member unit sinks to putting in place, close aqueduct valve and stirring-head, and construction assembly is fixed temporarily；
3) brushing binding agent, water-stop on the end face of first segment member unit；
4) lifting second section member unit is to the surface of first segment member unit, presstressed reinforcing steel is passed the presstressed reinforcing steel hole of second section member unit, being directed at tenon and the tongue-and-groove of upper and lower two joints, whereabouts second section member unit carries out grafting, and is welded together by the pre-buried weldment of reinforcement member unit；
5) tensioned prestressing bar being anchored on the upper surface of second section member unit；
6) releasing the interim fixing of construction assembly, water filling simultaneously also starts stirring-head, and the stirring soil body carries out sinking operation, until second section member unit sinks at ground, closes aqueduct valve and stirring-head, and is fixed by construction assembly temporarily；
7) according to above step 3) ~ 5) continue construction subsequent members unit, until the first width component sinking construction reaches to design requirement；
8) at the total tensioned prestressing bar in the top of final section member unit, and anchor；
9) stirring-head of member unit is the most outwards translated, and overturn to component side, after unblock, hang out ground, so far complete the construction of the first width component；
10) at the construction station adjacent with the first width component, according to above-mentioned steps 1) ~ 8) carry out the construction of follow-up each width component, until completing whole construction task, in above-mentioned underground spliced precast concrete construction assembly employed in it, at the side not installation construction device that its member unit is adjacent with previous width component, only at its member unit opposite side, one set of construction device is installed.
Further, in above-mentioned construction method, in step 10), after completing the construction of all components, also need to clean vertical sealing slotted eye, and inject impervious material.
This utility model can be not only used for deep foundation pit support, but also may be used in the construction of subterranean tunnel and underground pipe gallery.
Beneficial effect:Compared with prior art, this utility model has the advantage that
1, vertical member is united two into one by this utility model first with construction machinery, drilling rod effect during i.e. vertical member has also served as construction machinery, carry the interconnection function being arranged between the stirring-head of bottom and ground, not only eliminate steel drill rod, and the installation process of vertical member after eliminating general boring.
2, this utility model is owing to being prefabricated components, and quality is relatively reliable, and compared with current cast-in-place method, prefabricated components can be to make the multiple section forms such as square hollow, porous plate, ribbed plate；Prefabricated components are in plant produced, and production efficiency is high, reliable in quality.
3, stirring-head is connected as a single entity with prefabricated components, and prefabricated components sink along with the stirring of stirring-head and sink, and will not cause collapse hole and undergauge, will not cause the ground of work progress in work progress.
4, of the present utility model prefabricated as deep foundation pit support time, prefabrication and assembly construction grating type diaphram wall can be formed, its not only have gear soil, sealing effect, but also outer wall of basement and uplift pile can be also served as, four kinds of purposes of one structure, cost-effective, reduce cost.
Accompanying drawing explanation
Fig. 1 is underground of the present utility model spliced precast concrete square hollow member unit elevational schematic view.
Fig. 2 is underground of the present utility model spliced precast concrete square hollow member unit side elevation schematic diagram.
Fig. 3 is underground of the present utility model spliced precast concrete square hollow member unit schematic cross-section.
Fig. 4 is the underground being combined into by multiple member units of the present utility model spliced precast concrete elevational schematic view.
Fig. 5 is the 1-1 schematic cross-section of Fig. 4 of the present utility model
Fig. 6 is underground of the present utility model spliced precast concrete planar plate members unit schematic cross-section
Fig. 7 is the double square hollow member unit schematic cross-section of the spliced precast concrete in underground of the present utility model
Fig. 8 is underground of the present utility model spliced precast concrete ribbed plate member unit elevational schematic view
Fig. 9 is the 2-2 schematic cross-section in Fig. 8 of the present utility model
Figure 10 is the 3-3 schematic cross-section in Fig. 8 of the present utility model
Figure 11 is underground of the present utility model spliced precast concrete porous plate component unit schematic cross-section
Figure 12 is underground of the present utility model spliced precast concrete square-outside and round-inside shape member unit schematic cross-section
Figure 13 is oval component unit schematic cross-section in the spliced precast concrete foreign side of underground of the present utility model
Figure 14 is the spliced precast concrete in underground of the present utility model I-shaped member unit schematic cross-section
Figure 15 is underground of the present utility model spliced precast concrete channel member unit schematic cross-section
Figure 16 is that underground of the present utility model spliced precast concrete circle connects contract mouth schematic diagram
Figure 17 is that underground of the present utility model spliced precast concrete L-shaped connects contract mouth schematic diagram
Figure 18 is that underground of the present utility model spliced precast concrete spill connects contract mouth schematic diagram
Figure 19 is circular tenon and tongue-and-groove schematic diagram on spliced precast concrete upper and lower end face, underground of the present utility model
Figure 20 is underground of the present utility model spliced precast concrete upper and lower end face upper trapezoid tenon and tongue-and-groove schematic diagram
Figure 21 is schematic diagram during spliced precast concrete the first width construction assembly construction of underground of the present utility model
Figure 22 is that underground of the present utility model spliced precast concrete the first width construction assembly construction terminates the rear stirring-head schematic diagram when plumbness
Figure 23 is the schematic diagram during construction assembly construction of the spliced precast concrete in underground of the present utility model follow-up each width
Figure 24 is that the construction assembly construction of the spliced precast concrete in underground of the present utility model follow-up each width terminates the rear stirring-head schematic diagram when plumbness.
Figure has: presstressed reinforcing steel hole 1, post-tensioned prestressing muscle 2, horizontal tenon 3, tongue-and-groove 4, female groove 5, pin thread 6, sealing slotted eye 7, support 8, stirring-head 9, sealing material 10, fixing locking device 81, switching mechanism 82, translation mechanism 83, steel wire rope 84, power set 91, thrust wheel 92, chain 93, stirrer gear head 94.
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.
The spliced precast concrete in this utility model underground, by multiple precast concrete unit vertically to level to being spliced, horizontal tenon 3 and tongue-and-groove 4 it is provided with on the upper and lower end face of described member unit, neighbouring member unit is connected as a single entity by the grafting of tenon 3 and tongue-and-groove 4, connection contract mouth it is provided with on the left and right end face of described member unit, left and right adjacent members unit is connected as a single entity by connecting contract mouth, vertical post-tensioned prestressing muscle hole 1 it is provided with on each member unit, the post-tensioned prestressing muscle hole about 1 of the one group of member unit spliced vertically upward is directed at, and it is provided with post-tensioned prestressing muscle wherein.In the preferred embodiment of the spliced precast concrete in this utility model underground, post-tensioned prestressed reinforcement is that the finish rolling deformed bar of more than many tensions 1000MPa is formed by connecting, and upper and lower two finish rolling deformed bar sleeves are connected as a single entity.
In another preferred embodiment, the upper and lower end face of member unit is respectively arranged with teeth groove and double wedge, and teeth groove and the double wedge of neighbouring member unit are the most chimeric, and the seam crossing at neighbouring member unit is filled with marine glue simultaneously.
The method using this utility model component to carry out underground spliced precast concrete construction, comprises the following steps:
1) in the predetermined area of design to underground grooving, use underground spliced precast concrete construction assembly, each installation one set of construction device on the member unit left and right end face of described construction assembly, two stirring-heads are all adjusted to member unit lower end, it is locked, then hangs to construction station；
2) being supplied water at stirring-head 9 by water injection pipe, start stirring-head 9, the stirring soil body carries out sinking operation, the stirring soil body of member exterior and water mix and blend become mud, until first segment member unit sinks to underground, close stirring-head 9, and construction assembly is fixed temporarily；
3) on the upper surface of first segment, binding material and sealing material it are coated with；
4) lifting second section member unit prestressed muscle, is directed at tenon 3 and the tongue-and-groove 4 of upper and lower two joints, and whereabouts second section member unit carries out grafting；
5) at the upper surface tensioned prestressing bar of second section member unit and anchor；
6) releasing the interim fixing of construction assembly, start stirring-head 9 simultaneously, the stirring soil body carries out sinking operation, until second section member unit sinks at ground, closes stirring-head 9, and is fixed by construction assembly temporarily；
7) according to above step 3) ~ 5) continue construction subsequent members unit, until the first width component sinking construction reaches to design requirement；
8) at the total tensioned prestressing bar in the top of final section member unit 2, and anchor；
9) stirring-head 9 of member unit is the most outwards translated, and overturn to component side, after unblock, hang out ground, so far complete the construction of the first width component；
10) at the construction station adjacent with the first width component, according to above-mentioned steps 1) ~ 8) carry out the construction of follow-up each width component, until completing whole construction task, in underground spliced precast concrete construction assembly employed in it, at the side not installation construction device that its member unit is adjacent with previous width component, only at its member unit opposite side, one set of construction device is installed；After completing the construction of all components, also need to clean vertical sealing slotted eye 7, and inject impervious material 10.
Must be it is noted that during later each width except the first width in addition to constructs, when the wall width on the left side of constructing, have only to corresponding wall width lower end the left side install one set of construction device, when construction on the right of wall width time, it is only necessary to corresponding wall width lower end the right install one set of construction device.
Above-described embodiment is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; on the premise of without departing from this utility model principle; some improvement and equivalent can also be made; this utility model claim is improved and technical scheme after equivalent by these, each falls within protection domain of the present utility model.
Claims (7)
1. the spliced precast concrete in underground, it is characterized in that, this component by multiple precast concrete unit vertically to level to being spliced, horizontal tenon (3) and tongue-and-groove (4) it is provided with on the upper and lower end face of described member unit, neighbouring member unit is connected as a single entity by the grafting of tenon (3) and tongue-and-groove (4), connection contract mouth it is provided with on the left and right end face of described member unit, left and right adjacent members unit is connected as a single entity by connecting contract mouth, vertical post-tensioned prestressing muscle hole (1) it is provided with on each member unit, the post-tensioned prestressing muscle hole (1) of the one group of member unit spliced vertically upward is directed at up and down, and it is provided with post-tensioned prestressing muscle (2) wherein.
The spliced precast concrete in underground the most according to claim 1, it is characterized in that, described post-tensioned prestressing muscle (2) is steel strand wires or the finish rolling deformed bar running through each vertical member unit, and the segmentation when construction of described presstressed reinforcing steel is anchored at the aperture of each member unit presstressed reinforcing steel hole (1).
The spliced precast concrete in underground the most according to claim 1, it is characterized in that, the horizontal cross-section of described member unit is elliptical aperture shape, I-shaped or trough plate in square hollow, double square hollow, flat board, ribbed plate, porous plate, square-outside and round-inside hole shape, foreign side, and described ribbed plate is to be provided with the horizontal ribs of interlaced arrangement and vertical rib on the facade of flat board.
4. according to the spliced precast concrete in underground described in claim 1,2 or 3, it is characterized in that, described connection contract mouth is made up of the pin thread (6) on the female groove (5) being fixed on a member unit and adjacent members unit, described female groove (5) and pin thread (6) are that pair of sliding is connected contract mouth, its form is that circular contract mouth, L-shaped connection contract mouth or the spill of connecting connects contract mouth, two adjacent unit spliceds, by connecting being slidably connected of contract mouth, are integrated by left and right adjacent members unit；The cross sectional shape of described horizontal tenon (3) and tongue-and-groove (4) is semicircle, triangle or trapezoidal.
5. according to the spliced precast concrete in underground described in claim 1,2 or 3, it is characterized in that, it is respectively arranged with half vertical slotted eye on the end face of described member unit left and right, half slotted eye correspondence of left and right adjacent members unit closes up one complete sealing slotted eye (7) of formation, is filled with sealing material (10) in described sealing slotted eye (7).
null6. a underground spliced precast concrete construction assembly，It is characterized in that，This assembly includes claim 1、2、3、The member unit in the spliced precast concrete in underground described in 4 or 5 and the constructing device being arranged on this member unit left and right end face，Described constructing device includes support (8)、With support (8), the stirring-head (9) being connected is installed，Described stirring-head (9) can overturn mobile and locking positioning between member lower and side，In being applied to underground spliced precast concrete construction，Construct the first width component time，This assembly includes each installation one set of construction device being arranged on the end face of member unit left and right，The respective stirring-head of two covering device (9) is when upset is moved to member unit lower end，Their projected area sum is not less than the twice of member unit cross-sectional area，And the center superposition on member unit cross-section center and two stirring-head perspective planes，In the construction of the most each width component，This assembly only need to install one set of construction device on the left side of member unit or right side.
Underground the most according to claim 6 spliced precast concrete construction assembly, it is characterized in that, fixing locking device (81) it is provided with on described support (8), switching mechanism (82), translation mechanism (83), steel wire rope (84), described stirring-head (9) includes the power set (91) being arranged on described support (8), thrust wheel (92), the chain (93) driven by described power set (91), described chain (93) outside is provided with stirrer gear head (94), inner side is connected installation with thrust wheel (92), the stirring-head (9) of its correspondence can be overturn between level and vertical state by described switching mechanism (82), the stirring-head (9) of its correspondence can be moved horizontally by described translation mechanism (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413919.8U CN205591210U (en) | 2016-05-09 | 2016-05-09 | Formula cast member and construction assembly are spliced to underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413919.8U CN205591210U (en) | 2016-05-09 | 2016-05-09 | Formula cast member and construction assembly are spliced to underground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591210U true CN205591210U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413919.8U Withdrawn - After Issue CN205591210U (en) | 2016-05-09 | 2016-05-09 | Formula cast member and construction assembly are spliced to underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839616A (en) * | 2016-05-09 | 2016-08-10 | 江苏鸿基节能新技术股份有限公司 | Underground spliced precast concrete member, construction combination body and construction method |
| CN107143353A (en) * | 2017-05-18 | 2017-09-08 | 西安科技大学 | A kind of concrete supporting structure of high temp tunnel |
| CN116065572A (en) * | 2022-12-29 | 2023-05-05 | 重庆大学 | A prefabricated composite energy underground diaphragm wall and its construction method |
-
2016
- 2016-05-09 CN CN201620413919.8U patent/CN205591210U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839616A (en) * | 2016-05-09 | 2016-08-10 | 江苏鸿基节能新技术股份有限公司 | Underground spliced precast concrete member, construction combination body and construction method |
| CN105839616B (en) * | 2016-05-09 | 2018-10-16 | 江苏鸿基节能新技术股份有限公司 | The spliced precast concrete in underground, construction assembly and construction method |
| CN107143353A (en) * | 2017-05-18 | 2017-09-08 | 西安科技大学 | A kind of concrete supporting structure of high temp tunnel |
| CN107143353B (en) * | 2017-05-18 | 2019-12-10 | 西安科技大学 | A Concrete Supporting Structure for a High Temperature Tunnel |
| CN116065572A (en) * | 2022-12-29 | 2023-05-05 | 重庆大学 | A prefabricated composite energy underground diaphragm wall and its construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20181016 |
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| AV01 | Patent right actively abandoned |