CN109826186A - A kind of diaphram wall general prefabricated armored concrete leads wall and implementation method - Google Patents
A kind of diaphram wall general prefabricated armored concrete leads wall and implementation method Download PDFInfo
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- CN109826186A CN109826186A CN201910109605.7A CN201910109605A CN109826186A CN 109826186 A CN109826186 A CN 109826186A CN 201910109605 A CN201910109605 A CN 201910109605A CN 109826186 A CN109826186 A CN 109826186A
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- wallboard
- leads
- interconnecting piece
- connector
- joint
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- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 111
- 239000010959 steel Substances 0.000 claims description 111
- 210000003205 muscle Anatomy 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 claims description 25
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000003754 machining 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
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of diaphram wall general prefabricated armored concrete to lead wall and implementation method.A kind of diaphram wall general prefabricated armored concrete leads wall, wallboard front and back is guided in advance by multi-disc to be formed by connecting, the every forward and backward connecting pin for leading wallboard is respectively provided with convex joint and concave joint, and every is led the lower connector for being provided in wallboard and being located at convex joint, the upper connector above concave joint and lower section；Wherein, by connecting the line interconnecting piece of upper connector and the line interconnecting piece and bar interconnecting piece of bar interconnecting piece and connection lower connector, and post-stretching locking is carried out to the line interconnecting piece of the line interconnecting piece of upper connector and lower connector respectively, realize that anter is led the concave joint of wallboard and docked in place with the convex joint that rear piece leads wallboard, and the forward and backward two panels of realization lead wallboard be fixedly connected and stress transfer.In-site installation of the present invention is fast and convenient, accelerates construction progress, and greatly shortens the on-stream time of diaphram wall engineering.
Description
Technical field
The present invention relates to underground continuous wall construction technique field more particularly to a kind of diaphram wall general prefabricated reinforcing bar are mixed
Solidifying soil leads wall and implementation method.
Background technique
Guide wall of underground continuous wall construction is mainly facing for diaphram wall engineering to build work.Traditional construction of guide wall generallys use
The cast-in-place method built: guide groove is excavated along construction axis at the construction field (site), assembling reinforcement and support template in slot are then cast-in-place mixed
Solidifying soil forms armored concrete and leads wall.The process that wall is led in construction in this way is influenced vulnerable to weather, and the construction time is longer, complete
The general demolition reduction of wall is led after work, causes the waste of vast resources, increases Construction Cost, both uneconomical or not ring
It protects.In addition, also there are a small number of projects to lead wall using pre- guidance wall and steel in the market, but it is only limited to the lesser diaphram wall work of depth
It is larger or have heavy construction equipment or the case where using extubation construction joint to be unable to satisfy most depth for journey.
Summary of the invention
The object of the invention is to it is general to provide a kind of diaphram wall in order to overcome the above-mentioned problems of the prior art
Prefabricated reinforced concrete leads wall, and in-site installation is fast and convenient, accelerates construction progress, and greatly shortens going into operation for diaphram wall engineering
Time.
In addition, it is a further object of the present invention to provide the realizations that a kind of diaphram wall general prefabricated armored concrete leads wall
Method.
In order to realize the first object of the present invention, the following technical schemes are provided:
A kind of diaphram wall general prefabricated armored concrete leads wall, is guided by multi-disc and is formed by connecting before and after wallboard in advance, often
Led described in piece and be provided with principal rod in wallboard, and the every preceding connecting pin for leading wallboard and rear connector be respectively provided with convex joint and
Concave joint leads for described every and is additionally provided with connector in wallboard；Wherein, the principal rod includes: and is embedded in lead in wallboard simultaneously
And it is located at the upper principal rod and lower stress muscle of convex joint and concave joint upper and lower part；Wherein, the connector packet
Include: upper connector has and is located at that anter leads wallboard and rear piece leads line interconnecting piece and bar interconnecting piece in wallboard, and the line connects
Socket part and bar interconnecting piece are connected respectively that anter leads upper principal rod in wallboard and rear piece leads upper principal rod in wallboard；Lower company
Connect device, have and be located at that anter leads wallboard and rear piece leads bar interconnecting piece and line interconnecting piece in wallboard, the bar interconnecting piece and
Line interconnecting piece is connected respectively that anter leads lower stress muscle in wallboard and rear piece leads lower stress muscle in wallboard；Wherein, pass through
The line interconnecting piece and bar interconnecting piece of the line interconnecting piece of connector and bar interconnecting piece and connection lower connector in connection, and it is right respectively
The line interconnecting piece of upper connector and the line interconnecting piece of lower connector carry out post-stretching locking, realize that anter leads the concave joint of wallboard
The convex joint for leading wallboard with rear is docked in place, and realize forward and backward two panels lead wallboard be fixedly connected and stress transfer.
Preferably, the line interconnecting piece of the upper connector is removably mounted at anter and leads in wallboard, and bar interconnecting piece is pre-buried
It is led in wallboard at rear；The line interconnecting piece of the lower connector is removably mounted at rear piece and leads in wallboard, and bar interconnecting piece is pre-buried
It is led in wallboard in anter.
Preferably, the line interconnecting piece of the upper connector includes: and is removably mounted at the First Line that anter is led in wallboard to connect
Head and the first non-bending steel cable beam；The bar interconnecting piece of the upper connector includes: to be embedded in rear piece to lead the first bar in wallboard
Connector and the first reinforcement rod；Wherein, first knock-off joint is detachably connected with first wire terminal, and with first steel
Muscle bar is fixedly connected；First reinforcement rod is led the upper principal rod in wallboard with rear piece and is connect；The line of the lower connector connects
Portion includes: to be removably mounted at rear piece to lead the second wire terminal and the second non-bending steel cable beam in wallboard；The lower connector
Bar interconnecting piece include: to be embedded in anter to lead the second knock-off joint and the second reinforcement rod in wallboard；Wherein, second knock-off joint
It is detachably connected with second wire terminal, and is fixedly connected with second reinforcement rod；Second reinforcement rod is led with anter
Lower stress muscle connection in wallboard.
Preferably, the first non-bending steel cable beam is threaded through via being embedded in anter and lead the first anchor pipe in wallboard
The anter is led in wallboard；The second non-bending steel cable beam is worn via being embedded in rear piece and lead the second anchor pipe in wallboard
Piece is led in wallboard after described.
Preferably, the anter leads also pre-buried setting is connected to the both ends of the first anchor pipe respectively in wallboard first
Wire terminal box and upper connector tension slot groove；Piece leads the interior also pre-buried setting of the wallboard both ends with the second anchor pipe respectively after described
The the second wire terminal box and lower connector tension slot groove of connection；Wherein, first wire terminal is placed in the First Line connector box；
One end of the first non-bending steel cable beam and first wire terminal fasten, and the other end stretches out the upper connector tensioning
Slot carries out post-stretching locking；Wherein, second wire terminal is placed in the second wire terminal box；The second soap-free emulsion polymeization steel twists
One end of harness and second wire terminal fasten, and the other end stretches out the lower connector tension slot groove and carries out post-stretching locking.
Preferably, the upper connector tension slot groove is located at the top that the anter leads wallboard；The lower connector tension slot groove
The top of wallboard is led positioned at the rear piece.
Preferably, described to lead wallboard and be additionally provided with the first knock-off joint end steel plate and the second wire terminal end steel in its preceding connecting pin
Plate, the convex joint are centrally located between first knock-off joint end steel plate and the second wire terminal end steel plate；It is described to lead wall
Connecting pin is additionally provided with First Line tip side steel plate and the second knock-off joint end steel plate to plate behind, and the concave joint is described
It is centrally located between one wire terminal end steel plate and the second knock-off joint end steel plate.
Preferably, the first bar mounting hole is offered on the steel plate of first knock-off joint end, for disposing first bar to connect
Head；First Line mounting hole is offered on the First Line tip side steel plate, for disposing the First Line connector box；Described second
The second bar mounting hole is offered on the steel plate of knock-off joint end, for disposing second knock-off joint；Second wire terminal end steel plate
On offer the second line mounting hole, for disposing the second wire terminal box.
Preferably, the bottom surface of the convex joint and concave joint docking is horizontal plane, and top surface is horizontal by 45 °
Inclined-plane, it is in 45 ° of inclined-plane that two sides intersected with bottom surface and top surface, which are with vertical plane,.
In order to realize the second object of the present invention, the following technical schemes are provided:
A kind of diaphram wall general prefabricated armored concrete leads the implementation method of wall, guides wallboard front and back in advance by multi-disc and connects
Connect to be formed it is described lead wall, it includes: to lead that principal rod is arranged in wallboard at every that prefabricated every, which is led wallboard, and before every is led wallboard
Convex joint and concave joint is respectively set in connecting pin and rear connector, further includes, and leads at every and connector is arranged in wallboard；Its
In, the principal rod includes: to be embedded in lead in wallboard and be located at the upper of convex joint and concave joint upper and lower part
Principal rod and lower stress muscle；Wherein, the connector includes: upper connector, and with being located at, anter leads wallboard and rear piece is led
Line interconnecting piece and bar interconnecting piece in wallboard, the line interconnecting piece and bar interconnecting piece be connected respectively anter lead it is upper in wallboard
Principal rod and rear piece lead the upper principal rod in wallboard；Lower connector, with being located at, anter leads wallboard and rear piece is led in wallboard
Bar interconnecting piece and line interconnecting piece, the bar interconnecting piece and line interconnecting piece are connected respectively anter and lead lower stress muscle in wallboard
The lower stress muscle led in wallboard with rear；Wherein, under the line interconnecting piece and bar interconnecting piece and connection by connecting upper connector
The line interconnecting piece and bar interconnecting piece of connector, and the line interconnecting piece of the line interconnecting piece of upper connector and lower connector is carried out respectively
Post-stretching locking realizes that anter leads the concave joint of wallboard and the convex joint that rear piece leads wallboard is docked in place, and before realization,
Afterwards two panels lead wallboard be fixedly connected and stress transfer.
The beneficial effects of the present invention are embodied in following aspect: general prefabricated armored concrete of the present invention lead wall every leads wall
Board size, arrangement of reinforcement and built-in fitting position are all the same, using C45 or more high-grade concrete, are suitble to pre- in factory and scene batch
System leads wall integrated connection intensity and is higher than the cast-in-place concrete guide wall of tradition；The prefabricated wallboard volume of leading of the present invention is smaller, transporter
Just, use can be adjusted in big region；In-site installation of the present invention is fast and convenient, greatly shortens when going into operation of diaphram wall engineering
Between；The present invention guides wall easy disassembly in advance, and uniform specification interchangeability is strong, can repeatedly use, energy conservation and environmental protection economy；The present invention
Suitable for various geological conditions, it can satisfy the equipment such as existing grooving equipment and connector drawbench to leading the stable needs of wall.
Detailed description of the invention
Fig. 1 be diaphram wall general prefabricated armored concrete of the present invention lead wall forward and backward two panels lead wallboard connection bow
View；
Fig. 2 is G-G cross-sectional view shown in FIG. 1；
Fig. 3 is H-H cross-sectional view shown in FIG. 1；
Fig. 4 is the structural schematic diagram of lower connector；
Fig. 5 a is F-F cross-sectional view shown in Fig. 3；
Fig. 5 b is E-E cross-sectional view shown in Fig. 3；
Fig. 6 a is the structural schematic diagram for the rear connector that the present invention every leads wallboard；
Fig. 6 b is the structural schematic diagram for the preceding connecting pin that the present invention every leads wallboard.
Description of symbols: the first knock-off joint of 1a-；The second knock-off joint of 1b-；The first wire terminal of 2a-；The second wire terminal of 2b-；
The first reinforcement rod of 3a-；The second reinforcement rod of 3b-；4b- the second non-bending steel cable beam；5- single hole tensioning backing plate；6- single hole anchor device；
7a- the first anchor pipe；7b- the second anchor pipe；8- hoisting ring；The upper connector tension slot groove of 9-；10- lower connector tension slot groove；11a-
First knock-off joint end steel plate；The second knock-off joint of 11b- end steel plate；12a- First Line tip side steel plate；The second wire terminal of 12b- end steel
Plate；13- reinforced steel；14a- the first bar mounting hole；14b- the second bar mounting hole；15a- First Line mounting hole；The second line of 15b-
Mounting hole；17- concave joint；16- convex joint；The upper principal rod of A1-；A2- lower stress muscle；A3- stirrup；A4- contacts muscle；I-is preceding
Piece leads wallboard；II-rear piece leads wallboard；The upper connector of 21-；12- lower connector.
Specific embodiment
General prefabricated armored concrete provided by the invention lead wall and implementation method be suitable for civil construction, municipal traffic,
The diaphram wall of the fields such as water conservancy energy construction.
The present invention provides a kind of diaphram wall general prefabricated armored concrete and leads wall, is guided by multi-disc and is connected before and after wallboard in advance
It connects.Every is led wallboard in factory or scene prefabricated, the length 4-12m or longer of batch.The every preceding connecting pin for leading wallboard and
Rear connector, which is respectively provided with, facilitates the forward and backward convex joint for leading wallboard rapid abutting joint and concave joint；And every is led wallboard also
Equipped with facilitate scene dismount connector, for realizing forward and backward two panels lead wallboard be fixedly connected and stress transfer.The present invention has
Conducive to the live fast assembling-disassembling of guide wall of underground continuous wall, accelerate construction progress.
The present invention is described in detail with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that, the indicating positions such as "front", "rear" or the term of positional relationship in text
Be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
Implying signified device, element etc. must have a particular orientation or be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the invention.
The diaphram wall general prefabricated armored concrete of the present embodiment leads wall, guide connection before and after wallboard in advance by multi-disc and
At.Every lead wallboard factory or scene batch it is prefabricated, length designs as needed.Wherein, prefabricated every lead wallboard be
The reinforced concrete structure formed in prefab-form to built-in fitting casting concrete.When implementation, the pre- wallboard that guides uses C45 or more
High-grade concrete, and conserved by standard, and protect built-in fitting, wall durability led with enhancing.Pre- guidance wallboard with
The face of filling body contact can be made as matte in advance, and medial surface can be made as smooth surface in advance and completely may be used because there is certain abrasion when reality repeats
To be used interchangeably.
It is the structural schematic diagram that forward and backward adjacent any two panels leads wallboard connection as shown in Figures 1 to 3.It should be noted that
The every prefabricated structure for leading wallboard of the present invention is identical, and the connection method that any two panels leads wallboard is identical.
As illustrated in fig. 1 and 2, the every pre-buried hoisting ring 8 of midline position for leading wallboard, lifting easy to disassemble when leading wall.Such as Fig. 2
Shown in 3, every is led pre-buried principal rod in wallboard, stirrup A3 and connection muscle A4.Wherein, principal rod includes upper principal rod A1 under
Principal rod A2.Stirrup A3, the arrangement for contacting muscle A4 are implemented according to the prior art.
As shown in Fig. 2, the every preceding connecting pin for leading wallboard and rear connector are respectively provided with convex joint 16 and concave joint
17, convex joint 16 and concave joint 17 are located on the inside of upper principal rod A1 and lower stress muscle A2 and are centrally located, and there are enough
Protective layer thickness.Wherein, the convex joint 16 that prefabricated any two panels leads wallboard is mutually matched with concave joint 17, and convenient pair
It connects.When it is implemented, as shown in figure 6 a and 6b, the bottom surface of convex joint 16 and the docking of concave joint 17 is horizontal plane, and top surface is
Horizontal by 45 ° of inclined-plane, it is in 45 ° of inclined-plane that two sides intersecting with bottom surface and top surface, which are with vertical plane, in order to hang
Dress docking simultaneously can transmit vertical shearing power after docking is in place.In addition, pre-buried in convex joint 16 be disposed with corresponding structural steel
Muscle is to increase self-strength.
As shown in figure 3, the every front end led in wallboard and rear end, which are additionally provided with, leads wallboard convenient for disconnecting forward and backward two panels
Connector.Specifically, the connector of the present embodiment includes: upper connector 21 and lower connector 12.Respectively with upper principal rod A1 and
Lower stress muscle A2 is correspondingly arranged.Wherein, the quantity of upper connector 21 and lower connector 12 is according to upper principal rod A1 and lower stress muscle
The quantity of A2 is set, and the upper connector 21 and lower connector 12 of the present embodiment are respectively two, can be set according to actual needs
More.
Wherein, upper connector 21 has the line interconnecting piece and bar interconnecting piece being detachably connected, and is located at anter and leads wall
It is led in wallboard II in plate I with rear piece；Lower connector 12 has the line interconnecting piece and bar interconnecting piece being detachably connected, and is located at
Piece is led in wallboard II and is led in wallboard I with anter afterwards；Pass through the line interconnecting piece and bar interconnecting piece of upper connector 21 and lower connector 12
Be detachably connected, can fast implement that anter leads wallboard I and rear piece leads the quick connection and separation of wallboard II, raising construct into
Degree.
Connection anter leads wallboard I and when rear piece leads wallboard II, first respectively connects the line interconnecting piece of upper connector 21 with bar
The line interconnecting piece of portion and lower connector 12 is connected with its bar interconnecting piece, then the line interconnecting piece to upper connector 21 and lower company respectively
The line interconnecting piece for connecing device 12 carries out post-stretching locking, so that piece leads the convex joint 16 of wallboard II after realizing and anter leads wallboard I
Concave joint 17 dock in place, and realize anter lead wallboard I and rear piece lead wallboard II be fastenedly connected and stress transfer.
The specific structure of upper connector 21 and lower connector 12 is described in detail with reference to the accompanying drawing.
As shown in Fig. 3 and 5b, the line interconnecting piece setting of lower connector 12 is led in wallboard II at rear, the setting of bar interconnecting piece
It is led in wallboard I in anter.
When it is implemented, the line interconnecting piece of lower connector 12 leads be sequentially communicated in wallboard II by being embedded in rear piece
Two wires connector box, the second anchor pipe 7b and lower connector tension slot groove 10 are removably mounted at rear piece and lead in wallboard II.Such as Fig. 4 institute
Show, the line interconnecting piece of lower connector 12 includes: the second wire terminal 2b being detachably connected and the second non-bending steel cable beam 4b.Such as
Shown in Fig. 3, when leading the line interconnecting piece for installing lower connector 12 in wallboard II at rear, the second non-bending steel cable beam 4b is worn
In the second anchor pipe 7b, one end protrude into the second wire terminal box of the second front end anchor pipe 7b with the second wire terminal 2b
Connection (steel strand wires and wire terminal of the connection type of the second non-bending steel cable beam 4b and the second wire terminal 2b using the prior art
Connection type), the other end protrudes into the lower connector tension slot groove 10 of the second rear end anchor pipe 7b, after carrying out
Tensioning fixation.As shown in figure 3, lower connector tension slot groove 10 is located at the top that rear piece leads wallboard II, and lower connector tension slot groove 10
Tensioning cushion cap be parallel to the horizontal plane.When pre-buried lower connector tension slot groove 10, size will avoid the position of principal rod A1, and
Reinforced steel is divided into tensioning cushion cap, tension stress is avoided to concentrate and cause local failure.
The bar interconnecting piece of lower connector 12 is embedded in anter and leads in wallboard I.As shown in figure 4, the bar of lower connector 12 connects
Portion specifically includes: being embedded in anter and leads the second knock-off joint 1b and the second reinforcement rod 3b (the second knock-off joint 1b and second in wallboard I
Reinforcement rod 3b connection is according to the reinforcement rod of the prior art and the connection type of knock-off joint).
Wherein, the line interconnecting piece of upper connector 21 and bar interconnecting piece are connect with the line interconnecting piece and bar of lower connector 12 respectively
Portion's structure is identical, and installation site is different.As shown in Fig. 3 and 5a, the line interconnecting piece of upper connector 21, which is arranged, leads wallboard I in anter
Interior, the setting of bar interconnecting piece is led in wallboard II at rear.
When implementation, the line interconnecting piece of upper connector 21 leads the First Line being sequentially communicated in wallboard I by being embedded in anter
Connector box, the first anchor pipe 7a and upper connector tension slot groove 9 are removably mounted at anter and lead in wallboard I.The line of upper connector 21
Interconnecting piece includes: the first wire terminal 2a being detachably connected and the first non-bending steel cable beam (not shown).Wherein, first
Wire terminal 2a and the first non-bending steel cable beam are identical as the second wire terminal 2b and the second non-bending steel cable beam 4b structure respectively,
And connection type is also identical.As shown in figure 3, when anter leads the line interconnecting piece for installing connector 21 in wallboard I, by the first nothing
Bonding steel wire bundle is threaded through in the first anchor pipe 7a, and one end protrudes into the First Line connector box positioned at the first rear end anchor pipe 7a
Interior to connect with the first wire terminal 2a, the other end protrudes into the upper connector tension slot groove 9 of the first front end anchor pipe 7a, so as to
In progress post-stretching locking.As shown in figure 3, upper connector tension slot groove 9 is located at the top that anter leads wallboard I, and upper connector
The tensioning cushion cap of kerve 9 is horizontal by 60 ° or so angles.When pre-buried upper connector tension slot groove 9, size avoids principal rod
The position of A1, and reinforced steel is divided into tensioning cushion cap, avoid tension stress from concentrating and cause local failure.
The bar interconnecting piece of upper connector 21 is embedded in rear piece and leads in wallboard II.The bar interconnecting piece of upper connector 21 includes: pre-
It is embedded in rear piece and leads the first knock-off joint 1a and the first reinforcement rod 3a in wallboard II.Wherein, the first knock-off joint 1a and the first reinforcement rod
3a is identical as the second knock-off joint 1b and the second reinforcement rod 3b structure respectively, and connection type is also identical.
The present invention by by the line interconnecting piece of upper connector 21 and lower connector 12 be separately positioned on anter lead in wallboard I and
Piece is led in wallboard II afterwards, is advantageously implemented that anter leads wallboard I and rear piece leads being fastenedly connected for wallboard II.
As shown in Fig. 2,3,6a and 6b, leads wallboard for every and be additionally provided with the first knock-off joint end steel plate 11a in its preceding connecting pin
With the second wire terminal end steel plate 12b, convex joint 16 the first knock-off joint end steel plate 11a and the second wire terminal end steel plate 12b it
Between be centrally located；Every is led wallboard connecting pin is additionally provided with First Line tip side steel plate 12a and the second knock-off joint end steel behind
Plate 11b, concave joint 17 are centrally located between First Line tip side steel plate 12a and the second knock-off joint end steel plate 11b.Such as Fig. 6 a
With the first bar mounting hole 14a for disposing the first knock-off joint 1a shown in 6b, is offered on the first knock-off joint end steel plate 11a,
The First Line mounting hole 15a for disposing First Line connector box is offered on one wire terminal end steel plate 12a, is connected in order to realize
Connect the connection of the bar interconnecting piece and line interconnecting piece of device 21；It is offered on second knock-off joint end steel plate 11b for disposing the second bar to connect
The second line for disposing the second wire terminal box is offered on the second bar mounting hole 14b, the second wire terminal end steel plate 12b of head 1b
Mounting hole 15b, in order to realize lower connector 12 bar interconnecting piece and line interconnecting piece connection.
Wherein, it is fixed to the first knock-off joint end steel plate 11a when the first knock-off joint 1a is pre-buried, is consolidated when the second knock-off joint 1b is pre-buried
Determine to the second knock-off joint end steel plate 11b.
It is as follows to lead the specific connection type that wallboard II and anter lead wallboard I for piece afterwards: as shown in Fig. 2,3,5a and 5b, at rear
The convex joint 16 for leading wallboard II is lifted lead the concave joint 17 of wallboard I close to anter after, first pass through the second knock-off joint 1b of connection
The connection of the bar interconnecting piece and line interconnecting piece of lower connector 12 is realized with the second wire terminal 2b, and passes through the first knock-off joint of connection
1a and the first wire terminal 2a realizes the line interconnecting piece of upper connector 21 and connection (the second knock-off joint 1b and second of bar interconnecting piece
Wire terminal 2b and the first knock-off joint 1a and the first wire terminal 2a connection using the prior art knock-off joint and wire terminal can
Dismantling connection mode, such as be threadedly coupled)；Again respectively to the first non-bending steel cable beam and lower connector 12 of upper connector 21
The second non-bending steel cable beam 4b carry out post-stretching locking, to realize the fastening that anter leads wallboard I and rear piece leads wallboard II
Connection and stress transfer.
Specifically, as shown in Figures 3 and 4, the method for carrying out post-stretching locking to the second non-bending steel cable beam 4b is as follows: will
Second non-bending steel cable beam 4b installs single hole tensioning backing plate 5 after stretching out lower connector tension slot groove 10, twists to the second soap-free emulsion polymeization steel
Harness 4b carries out post-stretching, and single hole anchor device 6 is recycled to lock the second non-bending steel cable beam 4b；Likewise, to the first soap-free emulsion polymeization
The method that steel wire bundle carries out post-stretching locking is as follows: pacifying after the first non-bending steel cable beam is stretched out upper connector tension slot groove 9
Single hole tensioning backing plate 5 is filled, to the first non-bending steel cable Shu Jinhang post-stretching, single hole anchor device 6 is recycled to lock the first soap-free emulsion polymeization
Steel wire bundle.Pass through piece after can guaranteeing the first non-bending steel cable beam and the second non-bending steel cable beam 4b progress post-stretching
It leads the convex joint 16 of wallboard II and anter and leads the concave joint 17 of wallboard I and dock in place, and piece leads wallboard II after guaranteeing
The first knock-off joint end steel plate 11a and the second wire terminal end steel plate 12b the First Line tip side steel plate of wallboard I is led with anter respectively
The abutting of 12a and the second knock-off joint end steel plate 11b.
Wherein, being locked after the first non-bending steel cable beam and the second non-bending steel cable beam 4b using single hole anchor device 6 can be with
Keep leading the suitable pre-tensile stress of wall principal rod, realization is led wall tensile stress and continuously transmitted.Specifically, the present embodiment is pre-buried in arrangement
When part, connector transmits tensile stress by connection principal rod.As shown in Fig. 3 and 5b, anter leads lower stress pre-buried in wallboard I
Muscle A2 realizes connection by binding or welding in end and the second reinforcement rod 3b, and the length of the second reinforcement rod 3b is according to binding standard
Setting, i.e. no less than 45 times of lower stress muscle A2 diameter；Second anchor pipe 7b is leading lower stress pre-buried in wallboard II with rear
Muscle A2 overlapping part arrangement is gentle and avoids lower stress muscle A2 and its binding and fixing, the second anchor pipe 7b taking along lower stress muscle A2
Spreading degree is no less than 45 times of lower stress muscle A2 diameter；As shown in Fig. 3 and 5a, rear piece leads upper principal rod A1 pre-buried in wallboard II
Connection is realized by binding or welding in end and the first reinforcement rod 3a, the length of the first reinforcement rod 3a is set according to binding standard
It sets, i.e., 45 times of no less than upper principal rod A1 diameter；First anchor pipe 7a is leading upper principal rod A1 pre-buried in wallboard I with anter
Overlapping part arrangement is gentle and avoids principal rod A1 and its binding and fixing, and the first anchor pipe 7a is long along the overlap joint of upper principal rod A1
45 times of the no less than upper principal rod A1 diameter of degree.
Wherein, the first knock-off joint end steel plate 11a and the second wire terminal end steel plate 12b, First Line tip side steel plate 12a and
Two knock-off joint end steel plate 11b use 15mm with upper steel plate batch machining.
Wherein, corresponding the first knock-off joint end steel plate 11a and the first wire terminal are extended to when upper principal rod A1 is pre-buried
End steel plate 12a is simultaneously welded and fixed with it；Lower stress muscle A2 extended to when pre-buried corresponding the second wire terminal end steel plate 12b and
Second knock-off joint end steel plate 11b is simultaneously welded and fixed with it.In addition, as shown in Figures 2 and 3, the first knock-off joint end steel plate 11a, first
Reinforcing steel is also welded and fixed around wire terminal end steel plate 12a, the second wire terminal end steel plate 12b and the second knock-off joint end steel plate 11b
Muscle 13.First knock-off joint end steel plate 11a, First Line tip side steel plate 12a, the second wire terminal end steel plate 12b and the second knock-off joint
End steel plate 11b realizes the transmitting for leading wall compression by being welded and fixed with principal rod and reinforced steel.
It is as follows using the present invention prefabricated the step of leading wallboard construction guide wall of underground continuous wall:
Pre- guidance wallboard can transport in-site installation to after pouring 5 days, and the smooth compacting in basis is carried out before installing, then into
Row line setting first installs first in place since the end of diaphram wall and leads wallboard, connects before with convex joint 16
End is connect to install to the rear connector extension sequence with concave joint 17；After first is led wallboard installation in place, lifting second is led
The convex joint 16 of wallboard leads the concave joint 17 of wallboard close to first, and the twist-on second line interconnecting piece for leading wallboard is led to first
In place, and the bar interconnecting piece that the twist-on first line interconnecting piece for leading wallboard leads wallboard to second is in place for the bar interconnecting piece of wallboard, so
Wallboard is led by second respectively afterwards and the non-bending steel cable beam of the first line interconnecting piece for leading wallboard is via pre-buried good anchor pipe
It threads and gradually tenses, convex joint 16 and concave joint 17 are gradually in place close to docking, finally use single hole anchor device tensioning fixation.
Positioned at lead the first knock-off joint end steel plate 11a on wallboard top, First Line tip side steel plate 12a can be added with extra soldered
Firmware (needs to remove before dismounting), improves the stability for leading wall, increases the globality of diaphram wall.Installation is led wallboard in place and is wanted
It carries out inner support in time and outside placement in layers is closely knit.
The present embodiment is due to using steel strand anchoring, usual 15.4mm2Steel strand wires have it is anti-much higher than former principal rod
Drawing ability leads wall with enough mechanical strengths and stability in addition high-grade concrete is prefabricated, and substitution tradition is cast-in-place to lead wall
Mechanical property.
After the completion of construction of diaphragm wall, the pre- guidance wall of the present embodiment can be removed quickly, and dismounting sequence and installation are suitable
Sequence is exactly the opposite, first removes reinforcing member, unclamps again anchorage by steel strand wires and is in free state, using lifting equipment to the anti-of installation
Direction lifting fragment, which is removed, leads wallboard, takes out steel strand wires and the wire terminal of line interconnecting piece, cleans out for reusing.
The present invention can be generally applicable to complex geologic conditions, various depth diaphram wall the building for leading wall, root
According to practical experience, standard set prefabricated reinforced concrete, which leads wall, may be reused 8 times or more, this is applied due to the wall of leading of invention
Work material is used in turn, only traditional cast-in-place to lead the 25% even less of wall cost；Simultaneously transportation volume it is small, an area Ge great such as
Goods may be implemented to installation, diaphram wall from preparing to applying by calling existing pre- guidance wall in time in North China
The time of work shortened to couple of days from two or three week；The dismounting for leading wall also only needs lifting equipment and artificial, very complicated work
Sequence becomes simple economy and energy conservation and environmental protection.Although above-mentioned elaborate the present invention, however, the present invention is not limited thereto, this technology
The technical staff in field can be modified with principle according to the present invention, and therefore, all principles according to the invention carry out various
Modification all should be understood as falling into protection scope of the present invention.
Claims (10)
1. a kind of diaphram wall general prefabricated armored concrete leads wall, guides wallboard front and back in advance by multi-disc and be formed by connecting, every
Described lead is provided with principal rod in wallboard, and the every preceding connecting pin for leading wallboard and rear connector are respectively provided with convex joint and recessed
Type joint, which is characterized in that lead for described every and be additionally provided with connector in wallboard；
Wherein, the principal rod includes: and is embedded in lead in wallboard and be located at convex joint and concave joint top under
The upper principal rod and lower stress muscle in portion；
Wherein, the connector includes:
Upper connector has and is located at that anter leads wallboard and rear piece leads line interconnecting piece and bar interconnecting piece in wallboard, the line
Interconnecting piece and bar interconnecting piece are connected respectively that anter leads upper principal rod in wallboard and rear piece leads upper principal rod in wallboard；
Lower connector has and is located at that anter leads wallboard and rear piece leads bar interconnecting piece and line interconnecting piece in wallboard, the bar
Interconnecting piece and line interconnecting piece are connected respectively that anter leads lower stress muscle in wallboard and rear piece leads lower stress muscle in wallboard；
Wherein, connected by the line interconnecting piece and bar of the line interconnecting piece and bar interconnecting piece and connection lower connector that connect upper connector
Socket part, and post-stretching locking is carried out to the line interconnecting piece of the line interconnecting piece of upper connector and lower connector respectively, realize that anter is led
The concave joint of wallboard docks in place with the convex joint that rear piece leads wallboard, and realizes that forward and backward two panels is led the fixed of wallboard and connected
It connects and stress transfer.
2. diaphram wall general prefabricated armored concrete according to claim 1 leads wall, which is characterized in that
The line interconnecting piece of the upper connector is removably mounted at anter and leads in wallboard, and bar interconnecting piece is embedded in rear piece and leads wallboard
It is interior；
The line interconnecting piece of the lower connector is removably mounted at rear piece and leads in wallboard, and bar interconnecting piece is embedded in anter and leads wallboard
It is interior.
3. diaphram wall general prefabricated armored concrete according to claim 2 leads wall, which is characterized in that
The line interconnecting piece of the upper connector includes: to be removably mounted at anter to lead the first wire terminal in wallboard and first without viscous
Tie steel wire bundle；
The bar interconnecting piece of the upper connector includes: to be embedded in rear piece to lead the first knock-off joint and the first reinforcement rod in wallboard；
Wherein, first knock-off joint is detachably connected with first wire terminal, and is fixedly connected with first reinforcement rod；
First reinforcement rod is led the upper principal rod in wallboard with rear piece and is connect；
The line interconnecting piece of the lower connector includes: to be removably mounted at rear piece to lead the second wire terminal in wallboard and second without viscous
Tie steel wire bundle；
The bar interconnecting piece of the lower connector includes: to be embedded in anter to lead the second knock-off joint and the second reinforcement rod in wallboard；
Wherein, second knock-off joint is detachably connected with second wire terminal, and is fixedly connected with second reinforcement rod；
Second reinforcement rod is led the lower stress muscle in wallboard with anter and is connect.
4. diaphram wall general prefabricated armored concrete according to claim 3 leads wall, which is characterized in that
The first non-bending steel cable beam is led via being embedded in the first anchor pipe that anter is led in wallboard and be threaded through the anter
In wallboard；
The second non-bending steel cable beam via be embedded in the second anchor pipe that rear piece is led in wallboard be threaded through it is described after piece lead
In wallboard.
5. diaphram wall general prefabricated armored concrete according to claim 4 leads wall, which is characterized in that the anter
Lead the First Line connector box and upper connector tensioning that also pre-buried setting is connected to the both ends of the first anchor pipe respectively in wallboard
Slot；
After described piece lead also pre-buried setting is connected to the both ends of the second anchor pipe respectively in wallboard the second wire terminal box and
Lower connector tension slot groove；
Wherein, first wire terminal is placed in the First Line connector box；One end of the first non-bending steel cable beam with
The first wire terminal fastening, the other end stretch out the upper connector tension slot groove and carry out post-stretching locking；
Wherein, second wire terminal is placed in the second wire terminal box；One end of the second non-bending steel cable beam with
The second wire terminal fastening, the other end stretch out the lower connector tension slot groove and carry out post-stretching locking.
6. diaphram wall general prefabricated armored concrete according to claim 5 leads wall, which is characterized in that the upper company
It connects device tension slot groove and is located at the top that the anter leads wallboard；The lower connector tension slot groove is located at the top that the rear piece leads wallboard
Portion.
7. diaphram wall general prefabricated armored concrete according to claim 6 leads wall, which is characterized in that described to lead wall
Plate is additionally provided with the first knock-off joint end steel plate and the second wire terminal end steel plate in its preceding connecting pin, and the convex joint is described
It is centrally located between one knock-off joint end steel plate and the second wire terminal end steel plate；
It is described to lead wallboard connecting pin is additionally provided with First Line tip side steel plate and the second knock-off joint end steel plate, the concave behind
Connector is centrally located between the First Line tip side steel plate and the second knock-off joint end steel plate.
8. diaphram wall general prefabricated armored concrete according to claim 7 leads wall, which is characterized in that described first
The first bar mounting hole is offered on the steel plate of knock-off joint end, for disposing first knock-off joint；The First Line tip side steel plate
On offer First Line mounting hole, for disposing the First Line connector box；Is offered on the steel plate of second knock-off joint end
Two bar mounting holes, for disposing second knock-off joint；The second line mounting hole is offered on the steel plate of second wire terminal end, is used
In placement the second wire terminal box.
9. diaphram wall general prefabricated armored concrete according to claim 1 leads wall, which is characterized in that the convex
The bottom surface of connector and concave joint docking is horizontal plane, and top surface is the inclined-plane horizontal by 45 °, is intersected with bottom surface and top surface
It is in 45 ° of inclined-plane that two sides, which are with vertical plane,.
10. a kind of diaphram wall general prefabricated armored concrete leads the implementation method of wall, guides wallboard front and back in advance by multi-disc and connect
Connect to be formed it is described lead wall, it includes: to lead that principal rod is arranged in wallboard at every that prefabricated every, which is led wallboard, and before every is led wallboard
Convex joint and concave joint is respectively set in connecting pin and rear connector, which is characterized in that further includes leading in wallboard and setting at every
Set connector；
Wherein, the principal rod includes: and is embedded in lead in wallboard and be located at convex joint and concave joint top under
The upper principal rod and lower stress muscle in portion；
Wherein, the connector includes:
Upper connector has and is located at that anter leads wallboard and rear piece leads line interconnecting piece and bar interconnecting piece in wallboard, the line
Interconnecting piece and bar interconnecting piece are connected respectively that anter leads upper principal rod in wallboard and rear piece leads upper principal rod in wallboard；
Lower connector has and is located at that anter leads wallboard and rear piece leads bar interconnecting piece and line interconnecting piece in wallboard, the bar
Interconnecting piece and line interconnecting piece are connected respectively that anter leads lower stress muscle in wallboard and rear piece leads lower stress muscle in wallboard；
Wherein, connected by the line interconnecting piece and bar of the line interconnecting piece and bar interconnecting piece and connection lower connector that connect upper connector
Socket part, and post-stretching locking is carried out to the line interconnecting piece of the line interconnecting piece of upper connector and lower connector respectively, realize that anter is led
The concave joint of wallboard docks in place with the convex joint that rear piece leads wallboard, and realizes that forward and backward two panels is led the fixed of wallboard and connected
It connects and stress transfer.
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| CN201910109605.7A CN109826186B (en) | 2019-02-11 | 2019-02-11 | General prefabricated reinforced concrete guide wall for underground diaphragm wall and implementation method |
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Cited By (1)
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| CN115369857A (en) * | 2022-08-05 | 2022-11-22 | 浙江省建筑设计研究院 | Vertical connection structure of prefabricated underground continuous wall of pre-buried screw lock formula |
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|---|---|
| CN109826186B (en) | 2024-03-22 |
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