CN105773833A - T-shaped sheet pile forming die and production of T-shaped sheet piles - Google Patents
T-shaped sheet pile forming die and production of T-shaped sheet piles Download PDFInfo
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- CN105773833A CN105773833A CN201610175350.0A CN201610175350A CN105773833A CN 105773833 A CN105773833 A CN 105773833A CN 201610175350 A CN201610175350 A CN 201610175350A CN 105773833 A CN105773833 A CN 105773833A
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- mould
- shaped sheet
- sheet pile
- steel reinforcement
- reinforcement cage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/10—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed the shaping being effected by centrifugal or rotational moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a T-shaped sheet pile forming die. The T-shaped sheet pile forming die is characterized in that the forming die is combined by two symmetrical sub-dies and two end baffles; the inner side section of the forming die is T-shaped; the sub-dies extend along the axial direction; the sections of the inner sides of the sub-dies are inverted L-shaped; reinforcing parts are arranged on the outer sides of the sub-dies; the end baffles are arranged at two ends of the forming die; the reinforcing parts comprise transverse reinforcing ribs and vertical reinforcing ribs arranged on the outer sides of the sub-dies. The invention also relates to a production method of concrete T-shaped sheet piles.
Description
Technical field
The present invention relates to concrete prefabricated product member arts, particularly relate to the production method of a kind of T-shaped sheet pile mould and T-shaped sheet pile.
Background technology
Stake is the foundation construction material being currently used for civil buildings, railway, highway, airport, industrial premises.According to structure and the Shape Classification of stake, its version mainly has circle, square, rectangle, plate shape, non-wholecircle shape etc..Classifying according to the production method of stake, it mainly has cast in situs and two kinds of methods of precasting process.nullWherein，Precasting process mainly has vibration moulding or centrifugal forming，Such as the prestress high intensity concrete square pile of prior art CN200710068545.6 patent disclosure and manufacture method thereof and mould、The levigate metallurgical slag of CN03113256.1 patent disclosure and levigate high silica sand are mixed method again and are produced pile tube technique、The levigate silica sand of mixing of CN03112836.X patent disclosure produces prestressed high-strength concrete pile technical method、Prestressed cuboid support pile for building foundation pit of CN201010137348.7 patent disclosure and preparation method thereof and mould、A kind of production method of the pretensioning prestressed concrete dynamic load of CN201110027738.3 patent disclosure、The steel reinforcement framework cage for pretensioning prestressed concrete dynamic load stake of CN201120024940.6 patent disclosure、The non-wholecircle shape concrete precast pile of CN2012200742354.X hybrid reinforcement etc..Although these production methods can ensure that the quality of production, but all needs the place of the amount of having high input, high cost of equipment, the space that it is internal wasted in a large number by the mould of certain structures pattern.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point of the prior art, it is provided that a kind of T-shaped sheet pile mould, it is characterised in that: described mould is formed by two symmetrical submodule tools and two pieces of termination baffle combination, and inside cross-sectional is T-shaped；Described submodule tool axially extends, and the cross section inside it is inverted L-type, and arranged outside has strengthening part；Described termination baffle plate is arranged on the two ends of described mould；Wherein, described strengthening part includes being arranged on the cross reinforcing outside submodule tool and waling.
Preferably, described cross reinforcing is independent horizontal reinforcing plate structure, or is the horizontal bar tubular construction of hollow, or is the combination of described horizontal bar plate and horizontal bar tubular construction.
Preferably, the termination baffle plate of at least one end of described mould is moveable structure.
Preferably, the end of described horizontal bar pipe has the maintenance mouth connecting steam providing apparatus.
Preferably, also including longitudinal bracing frame, described longitudinal bracing frame is arranged on the lower section of two lateral ends of the T-shaped top of described mould, it is possible to supports described T-shaped sheet pile mould and stabilizes it setting.
Preferably, also including supporting crossbeam, described support crossbeam can be fastened transversely to the upper opening place of described mould by bolt.
Preferably, also include stacking component, described stacking component includes first protruding or the first depression being arranged on described mould upper surface and second protruding or the second depression being arranged on described mould bottom surface, and the shape of described first protruding and described second depression or described first depression and described second projection is suitable.
Preferably, the longitudinally disposed support column of upper surface and the bottom surface running through described mould is also included.
Preferably, also include the roller devices being separately positioned on two sub-mold bottoms of inverted L shape, for when two the inverted L shape submodule tools forming T-shaped sheet pile mould apply power horizontally outward, making two described inverted L shape submodule tools disconnected from each other.
Preferably, at least one horizontal bar pipe of described mould extends to the top of the other end of this side from the bottom of the one end of mould side；The maintenance mouth of described connection steam providing apparatus is arranged on described horizontal bar pipe and is positioned at the side bottom mould.
Preferably, also including base plate, described submodule tool is connected on described base plate.
Preferably, described submodule is had by bolt or is connected with base plate by chute.
The present invention also provides for the production method of a kind of concrete T template stake, it is characterised in that comprise the steps:
(1) steel reinforcement cage is made: described steel reinforcement cage includes longitudinal rib and spiral helicine stirrup, additionally, be fixed with suspension ring also by the mode of artificial colligation or welding on above-mentioned steel reinforcement cage；
(2) steel reinforcement cage is installed: hung in by the steel reinforcement cage installed in described T-shaped sheet pile mould；
(3) assembly jig operation: steel reinforcement cage and L-type mould are assembled, blend compounds bar or straw rope or cloth seal the mosaic of two L-type moulds；
(4) cloth and molding procedure: in concreting to mould, will water after completely, utilize the mode of self-compaction molding or vibration moulding to make concrete formation；
(5) quiet shut-down sequence: will fill that concrete mould is quiet stops 0.5 ~ 4 hour；
(6) steam curing process: utilize high-temperature steam, carries out maintenance 4 ~ 8 hours to pile body；
(7) stripping process: mould and T-shaped sheet pile are easily separated, implements the demoulding.
Preferably, the longitudinal rib in described steel reinforcement cage is deformed bar, before cloth and molding procedure, utilizes tensioning equipment that this longitudinal rib is implemented prestressed stretch-draw.
Preferably, in steam curing process, the horizontal bar pipe on mould is utilized to pass into high-temperature steam, thus pile body is carried out steam curing.
The present invention also provides for the production method of a kind of concrete T template stake, it is characterised in that comprise the steps:
(1) steel reinforcement cage is made: described steel reinforcement cage includes longitudinal rib and spiral helicine stirrup, additionally, be fixed with suspension ring also by the mode of artificial colligation or welding on above-mentioned steel reinforcement cage；
(2) steel reinforcement cage is installed: being hung in by the steel reinforcement cage installed in T-shaped sheet pile mould, described mould is axially disposed multiple running wheel, for coordinating with the wheel on centrifuge, drives described mold rotation；
(3) assembly jig operation: steel reinforcement cage and L-type mould are assembled, blend compounds bar or straw rope or cloth seal the mosaic of two L-type moulds；
(4) cloth and molding procedure: in concreting to mould, after watering completely rear matched moulds, mould will be placed on centrifuge and carry out centrifugal forming；
(5) steam curing process: utilize high-temperature steam that pile body is carried out maintenance 4 ~ 8 hours；
(6) stripping process: by two pieces of moulds are applied contrary power, push or pull on two moulds and separate with T-shaped sheet pile, implements the demoulding.
Preferably, the longitudinal rib in described steel reinforcement cage is deformed bar, before cloth and molding procedure, utilizes tensioning equipment that this longitudinal rib is implemented prestressed stretch-draw.
Preferably, in steam curing process, the horizontal bar pipe on mould is utilized to pass into high-temperature steam, thus pile body is carried out steam curing.
There is advantages that T-shaped sheet pile mould of the present invention is be put together by the L-type mould of two symmetries, quick detachable, easy for installation, and outside described T-shaped sheet pile mould, there is reinforcement, simple in construction and also firm.In addition, described cross reinforcing may be configured as the combination of the horizontal bar pipe of hollow or the horizontal bar pipe of hollow and common tabular reinforcement, and the horizontal bar pipe of hollow is used for leading to steam, inside T-shaped sheet pile mould, after grouting, original place carries out maintenance, without being placed on specific steam place, and the T-shaped sheet pile mould being in the milk can tire out frame above other sheet pile moulds made, so can realize maintenance limit, limit and produce, reduce the loss of steam simultaneously；Reduce the amount of labour walked up and down of workman, and reduce the application of the equipment such as loop wheel machine.
Accompanying drawing explanation
Fig. 1 is the Structure of cross section schematic diagram of T-shaped sheet pile involved in the present invention；
Fig. 2 is the perspective view of the T-shaped sheet pile mould of first embodiment involved in the present invention；
Fig. 3 is the Structure of cross section schematic diagram of the T-shaped sheet pile mould of first embodiment involved in the present invention；
Fig. 4 is the Structure of cross section schematic diagram of the modification of the T-shaped sheet pile mould of first embodiment involved in the present invention；
Fig. 5 is the Structure of cross section schematic diagram of the T-shaped sheet pile mould of the second embodiment involved in the present invention；
Fig. 6 is the Structure of cross section schematic diagram of the T-shaped sheet pile mould of the 3rd embodiment involved in the present invention；
Fig. 7 is the Structure of cross section schematic diagram of the T-shaped sheet pile mould of the 4th embodiment involved in the present invention.
Detailed description of the invention
The present invention is set forth below according to accompanying drawing illustrated embodiment.Embodiment in embodiment is to be considered in all respects only as exemplary in nature, without limitation.Therefore, protection scope of the present invention not explanation by implementation below is limit, and only by the determination of claims, but also include that there are all deformation in the same meaning and right with right.
The detailed description of the invention of concrete T-shaped sheet pile involved in the present invention is described in conjunction with Fig. 1.
The tangent plane structural representation of T-shaped sheet pile is shown shown in accompanying drawing 1, as it can be seen, the stake of the present invention includes steel reinforcement cage 4 and concrete pile body 5, it is internal that described steel reinforcement cage 4 is wrapped in concrete pile body 5, described sheet pile cross section is in T shape, and pile body is being perpendicular to the axially extending of cross section.Corresponding with mould, pile body cross section is made up of orthogonal side a and b, and A end is in the direction of the width by B end decile.
Steel reinforcement cage 4 can select the nonprestressed reinforcement material of HRB400, HRB500, HRB600 or same strength grade or adopt FRP muscle etc. to have the material of antiseptic property.Steel reinforcement cage 4 includes the axially extended some longitudinal ribs 41 along pile body and the stirrup 42 by shearing force being fixed on outside longitudinal rib 41.Wherein, longitudinal rib 41 can all adopt deformed bar or adopt partial prestressing reinforcing bar and the mashed up mode of part nonprestressed reinforcement to form；The diameter of described longitudinal rib 41 is 6mm-40mm.Pile body cross section is respectively arranged a row or two along side a and b and arranges described longitudinal rib 41, or A end arranges that row's longitudinal rib 41, B end arranges two row's longitudinal ribs 41, or A end arranges that two row's longitudinal rib 41, B ends arrange row's longitudinal rib 41.Stirrup 42 is two row's longitudinal ribs of arrangement on A end bearing of trend and B end bearing of trend respectively；If A end or B end only have row's longitudinal rib, then can not surround stirrup；Or stirrup is the outside of all vertical muscle of arrangement on A end bearing of trend and B end bearing of trend, forms the stirrup ring that cross section is closed-loop.Stirrup 42 can be wound around in the shape of a spiral and be wrapped on longitudinal rib 41, and by the mode of colligation or welding, such as the mode of electric welding roll welding secures the two together, and the diameter of described stirrup 42 is 3mm-10mm.
In addition, as shown in Figure 1, at least one suspension ring 43 it is additionally provided with on steel reinforcement cage 4, suspension ring 43 be by be " several " font or ring-type metal or what composite was made, described suspension ring 43 can be the first suspension ring 431 of the center position being arranged at described steel reinforcement cage A end, can also be the second suspension ring 432 being arranged at described steel reinforcement cage A end with B end intersection, or described first suspension ring 431 and the second suspension ring 432 are arranged simultaneously.
Described suspension ring 43 can be a suspension hook in " several " font, can also be formed in "Ji" type suspension hook interconnection by two, the cross section of one of them suspension hook is substantially paralleled with pile body longitudinal axis, the cross section of another suspension hook is substantially perpendicular with pile body longitudinal axis, and the top of said two suspension hook is closely packed together.
Described concrete pile body 5 has following outfit proportionate relationship:
1) use stirring Special electronic balance weigh P.II52.5 cement, poly-shuttle acid high efficiency water reducing agent, breeze, water, modulus of fineness 2.8 yellow ground, particle diameter 5～16mm each portion of stone, through forced stirrer stir 3 minutes both required concrete.
2) stirring Special electronic balance is used to weigh the cement of P.II42.5, breeze, Pulvis Talci, silica flour, clay content 1.5%, additive, water and crush index value 6% 5～20 each portion of continuous grading stone, through forced stirrer stir 150 seconds both required concrete.
3) stirring Special electronic balance is used to weigh the Binder Materials of P.II cement, breeze, Gypsum Fibrosum, silica flour, Pulvis Talci composition, continuous grading granule is at 5～25(mm), crush index 8%, comprcssive strength rock more than 120 MPas, sand coarse aggregate ratio 36～40%, there is anti-CL+ high efficiency water reducing agent, the each portion of tap water, add after forced stirrer dry mixing 30 seconds after water and additive stirring 140 seconds both required concrete.
The structural representation of Fig. 2-Fig. 7 respectively mould of described T-shaped sheet pile, is illustrated respectively below in conjunction with accompanying drawing.
Showing the structure of the first mould 1 producing T-shaped sheet pile shown in accompanying drawing 2 to Fig. 4, as shown in drawings, the first mould 1 of this T-shaped sheet pile is main is formed (as shown in Figure 3) by the inversion L-type mould 11 and 12 that two tangent planes are almost symmetry.
Submodule the tool 11 and 12 one side openings of described inversion L-type can carry out split, can form the T-shaped sheet pile mould (as shown in Figure 2) of upper end open after split.Two are inverted after L-type mould splits, and the gap of junction can by materials such as adhesive tape, straw rope, cloths or be connected and sealed by additive method so that it is the T-shaped sheet pile mould needed for composition.Fig. 3 is the cross-sectional of the T-shaped sheet pile mould after described split.As it is shown on figure 3, the cross section of T-shaped mould 1 is made up of the side a and b intersected, described side a and b is mutually perpendicular to, and A end is in the direction of the width by B end decile.The inner side of the bed die 13 of the T-shaped mould of described inversion L-type mould 11 and 12 split forms inner chamber 14, to hold framework of steel reinforcement and concrete.For strengthening the intensity of T-shaped sheet pile mould, described bed die 13 arranged outside has strengthening part, this strengthening part includes being arranged on the cross reinforcing outside submodule tool 11 and 12 and waling, wherein preferably, waling is the vertical gusset 131 of tabular, and cross reinforcing can be the horizontal bar pipe 132 of the tubulose of hollow, and described vertical gusset 131 is vertically arranged, described horizontal bar pipe 132 is horizontally disposed with, and both square crossings are arranged.Described vertical gusset 131 horizontal spacing is 80mm-120mm, it is preferred that for 100mm.Described horizontal bar pipe 132 is the pipeline of hollow.The cross section of described horizontal bar pipe 132 can be other shapes such as circular or square, longitudinal pitch is 50mm-150mm, be capable of withstanding high-temperature steam, corrosion-resistant, namely the effect of reinforcement can be played, but also can be used for as required leading to high-temperature steam, concrete T template stake after filling formation is carried out steam curing, strengthens the intensity of mould simultaneously.The interior diameter of described horizontal bar pipe 132 is 10mm-30mm, it is therefore preferable to 20mm.
The two ends of the first mould 1 of described T-shaped sheet pile are provided with baffle plate 15, and during to prevent casting concrete in mould, concrete flows out mould, it is to avoid concrete waste, is effectively guaranteed the quality of product.The termination baffle plate 15 of described mould may be configured as the structure that two ends are all fixed, the termination baffle plate 15 of at least one end can also be set to moveable structure, namely the structure of the structure of the fixing other end activity in one end or two ends all activities, such termination baffle plate 15 can move by the certain position between the two of described mould end, to facilitate the sheet pile producing Len req at any time.The first mould 1 described is when fill, because A end is up during fill, it is possible to make mould unstable, so needing to carry out externally reinforced to T-shaped sheet pile mould in advance, not make mould topple over.
Described horizontal bar pipe 132 is horizontally disposed with, and its one end connects the maintenance mouth of steam providing apparatus, during steam logical by this end, it usually needs apply certain pressure to steam and steam just can be made by one end to be penetrated into the horizontal bar pipe other end smoothly, but be not limited only to this.B end side surface at described T-shaped sheet pile mould arranges in cornerwise cross one another jet chimney (not shown), described jet chimney is the top being extended to the other end by the bottom of B end side surface one end, the maintenance mouth of described connection steam providing apparatus connects one end of the bottom of jet chimney, is so conducive to the circulation of steam.In addition it is also possible to the tubular structure that can lead to steam is arranged at the bottom of mould B end or is arranged at outside described vertical gusset 131.
Described cross reinforcing is the horizontal bar pipe 132 of the tubulose of hollow, can also lead to steam for pile body is carried out maintenance while playing strengthening mould structure.But the structure of described cross reinforcing is not limited to this, it may be arranged as the platy structure of obstructed steam or for the combination (not shown) of the horizontal bar plate of tabular and the horizontal bar pipe of the tubulose of hollow.
Other angle places of the A end of described mould and the junction of B end and A end, B end are that right angle is connected, but are not limited only to this, it is also possible to as shown in Figure 4, each right angle is disposed as circular arc, the angle preferably 90 ° that described circular arc is corresponding.The transition arc radius R2 that transition arc radius R1 between described A end and B end is 18-50cm, A end and other positions of B end is 2-5mm.
Accompanying drawing 5 is the cross-sectional of the second mould 2 producing T-shaped sheet pile, as it is shown in figure 5, described the second mould 2 is add longitudinal bracing frame 21 on the basis of the first mould 1.Described longitudinal bracing frame 21 is vertically arranged at the lower section of described A end both sides, vertical with the axial face of described B end, and the length of described longitudinal bracing frame 21 is highly consistent with described B end, so that what mould can be stable stands on ground.Described longitudinal bracing frame 21 can be multiple longitudinal supporting plates of the axial face being vertically installed in B end, and described longitudinal bracing frame 21 can partly replace vertical gusset, it is preferable that vertical gusset and the longitudinal bracing frame 21 of described the second mould 2 are arranged alternately；Or described longitudinal bracing frame 21 is arranged at the position in the middle of two vertical gussets.The horizontal bar pipe of described the second mould 2 arranges identical with the horizontal bar pipe 132 in the first mould 1, is vertically arranged with described vertical gusset and longitudinal bracing frame 21.The A end opening of described the second mould 2 is provided with support crossbeam 22 simultaneously, the mobilizable side being fixed on A end in described support crossbeam 22 one end, and described support crossbeam 22 can rotate around fixing point 221, and its other end is fixed on by bolt or other modes another side of described A end.Because described the second mould 2 can be stable on ground or other places, after the interior intracavity grouting to the second mould 2, described support crossbeam 22 is fixed on described A end two rear flank, it is possible to above the directly tired frame of the second mould 2 after other grouting to the sheet pile mould made.It is sequentially overlapped, but preferably must not exceed four layers, to prevent die deformation.So can greatly save floor space, reduce the amount of labour that workman walks up and down, also can reduce the plant equipment such as loop wheel machine, and also multiple stakes can be carried out steam curing process simultaneously, economize on resources.
For preventing superposition back plate forming pile die deformation, can at described longitudinal bracing frame and A end arranged outside one support column (not shown), make it longitudinally through the upper surface of described mould and bottom surface, the support column position of described each mould is the same, after so mould superposition being placed, enable to the stress point-blank of the support column on mould, effectively prevent die deformation.
For convenience of mould superposition, described sheet pile mould arranges stacking component (not shown).Described stacking component is be arranged at the projection above described mould A end, and the cross section of described projection can also be able to be other shapes for circle.On described longitudinal bracing frame or vertical gusset, it is provided with the depression corresponding with described projection simultaneously, so when superposition mould, together with the top depression of mould can fix with the projection of lower section mould, the mould after such superposition is not susceptible to superposition dislocation, and occurs placing unstable situation.Additionally, described stacking component can also be arranged at depression above described mould A end and the projection that be arranged at bottom surface corresponding with its shape.
Other settings (such as baffle plate, horizontal bar pipe etc.) of described the second mould 2 are identical with arranging of the first mould 1.Additionally, above-mentioned support crossbeam 22 also can be arranged on the first mould 1.
The inversion L-type mold bottom forming above-mentioned mould 1,2 can be provided with roller devices, after concrete grouting maintenance terminate, described roller devices can drag inverted L-type mould to direction horizontally outward respectively, conveniently stripped, it is to avoid destroy the corner parts of sheet pile when using other external force demouldings.
Fig. 6 is the cross-sectional of involved in the present invention the third mould 3 producing T-shaped sheet pile, as shown in Figure 6, the third mould 3 described is assembled by two symmetrical inversion L-type moulds 31 and 32, and the side of described inversion L-type mould 31 and 32 is provided with the solid support parts 33 of lateral direction penetrating.Described inversion L-type mould 31 and 32 is fixed on base plate 35 respectively through bolt 34, and described bolt 34 one end is fixed on bottom inversion L-type mould 31 and 32, and the other end can run through the pore structure matched on described base plate 35 with it.Except the connected mode of bolt, two symmetrical inversion L-type moulds 31 and 32 are also by other modes, for instance be connected with base plate 35 by chute.
Additionally, described inversion L-type mould 31 and 32 can be directly fixed on ground by bolt.
Arranging of the baffle plate of the third mould described, horizontal bar pipe, the setting supporting crossbeam etc. and the second mould 2 is identical.The third mould described is when carrying out the demoulding, it is possible to apply power upwards by the hoisting ring device on T-shaped sheet pile, sheet pile is carried out the demoulding.
Vibration moulding or self-compaction forming method can be adopted when the first mould 1 above-mentioned, the second mould 2 and the third mould 3 slurry molding.
Fig. 7 is the schematic diagram of the T-shaped sheet pile mould (the 4th kind of mould 6) of the 4th embodiment involved in the present invention.This mould is also be put together by being inverted L-type mould, and after split, described mould cross section is T-shaped, and mould is provided with multiple running wheel axially outside, and Fig. 7 is this mould along the schematic diagram after one of them running wheel crosscut.After said two is inverted L-type mould split, the materials such as adhesive tape, straw rope, cloth or other mode abutment joints seal.This described 4th kind of mould 6 makes slurry molding not only by vibration, self-compaction forming method, additionally it is possible to carry out slurry molding by centrifugal method.When adopting centrifugal forming, the axially disposed running wheel 61 of above-mentioned mould can be used for and wheel on centrifuge coordinates, and driven mold rotates.In centrifugal process, the rotating speed of T-shaped sheet pile mould is slower, it is possible to make the uniform molding of concrete within T-shaped sheet pile mould.
Other structures (such as baffle plate, horizontal bar pipe etc.) of described 4th kind of mould 6 can be identical with arranging of the first mould 1.
Described 4th kind of mould 6 is put together about the mould by two inversion L-types with semicircle support, but is not limited only to this, it is also possible to be put together up and down by the semicircle bracket mould containing A end and the semicircle bracket mould containing B end, bolt can be utilized during split to fix.
The T-shaped inner chamber of first three mould is arranged above opening, when being in the milk, can be in the milk either directly through above-mentioned opening, and there is above the T-shaped inner chamber of the 4th kind of mould 6 top cover 62, following method can be adopted: the 4th kind of mould 6 one end and baffle plate are fixed, sealed by this end when it is in the milk；The other end is fixed dam not, for opening；Workmen is discharged sufficiently long tube by the inside intracavity of this opening, by the inside intra-bladder instillation slurry of this tube, the local grouting stretched into when tube terminates, then the outside pull tube of workmen continues grouting, until cementing operations completes, again by this opening part sealing baffle, carry out subsequent step.
Described mould can for the T-type structure of steel composition, it is also possible to be the T-type structure adopting plastic material, it is preferred that for POM material.
Below in conjunction with concrete production process, the production method of the concrete-pile of the present invention is described in detail.Specifically, comprise the following steps:
(1) steel reinforcement cage is made: adopt automatic gas cutting machine by the deformed bar customized cut-off of 12.6mm, form longitudinal rib 41, utilize seam welder to be spirally welded on outside longitudinal rib 41 by the stirrup 42 that diameter is 8mm, form generally T-shaped steel reinforcement cage；Suspension ring 43 are installed simultaneously: suspension ring 43 are fixed on the center of the A end of steel reinforcement cage and the intersection of A end and B end by the mode of artificial colligation or welding.
(2) steel reinforcement cage installation procedure: longitudinal rib a kind of sleeve with screw and stretching screw are anchored on the baffle plate at two ends, the steel reinforcement cage installed is hung in the one in the above-mentioned four kinds of moulds cleaning out and being sprayed with releasing agent.
(3) assembly jig operation: assemble the mould described in above-mentioned steps (1) and (2) and steel reinforcement cage, the mosaic of the material such as blend compounds bar, straw rope, cloth or other mode sealed molds.
(4) prestressed stretch-draw: because longitudinal rib is deformed bar, then need to utilize tensioning equipment that this longitudinal rib is implemented prestressed stretch-draw, and stretching force is 0.6-0.8 times of longitudinal rib tensile strength；If described longitudinal rib is nonprestressed reinforcement, then this step is omitted.
(5) cloth and molding procedure: in the above-mentioned concreting mixed to mould, will water after completely, concrete mould will be filled and shake, after concrete compaction, by floating for exposed seam concrete；Or, adopt self-compacting concrete (strength grade is more than C40) to build, self-compacting concrete injected in mould, after filling, by floating for exposed seam concrete.
(6) quiet shut-down sequence: will fill and quiet after concrete mould stretch-draw completes stop 0.5 ~ 4 hour；
(7) steam curing process: after filling that concrete mould is quiet and having stopped, pass into high-temperature steam through horizontal bar pipe 132, concrete is carried out maintenance 4 ~ 8 hours.
(8) stripping process: steam-cured complete after, when described longitudinal rib is deformed bar, first carries out prestressing force and put, then remove encapsulant used during split mould, sheet pile is carried out the demoulding；If longitudinal rib is nonprestressed reinforcement, then it is made without prestressing force and puts, be made directly the demoulding.Concrete, can pass through that two submodules are had the power that applying level is contrary for the first mould described, the second mould and the 4th kind of mould, push or pull on two moulds and separate with T-shaped sheet pile, implement the demoulding；All the power that sheet pile applies upwards can be made directly the demoulding for first three mould.
In above-mentioned production process, the ability demoulding after T-shaped sheet pile mould need to being split, but it is not limited only to this.When mould is the first mould or the second mould or the third mould, it is possible to directly sling T-shaped sheet pile by hooking suspension ring, be then further continued for using this T-shaped sheet pile mould to continue processing T type sheet pile.
In above-mentioned cloth and forming process, when for the 4th kind of mould, it is possible to make stake by the mode of centrifugal forming, and carry out follow-up quiet stopping, steam-cured and stripping process.
In above-mentioned production process, some above-mentioned steps not carry out in strict accordance with said sequence, and such as, after installing above-mentioned suspension ring, stretch-draw step and burden distributing procedure are also not required to necessarily have sequencing, it is also possible to first cloth stretch-draw again.Concrete operations can carry out according to the situation of actual production.
In sum, the foregoing is only specific embodiments of the invention, but the present invention is not limited to this, the change that any those skilled in the art can think, all should be within the scope of the present invention.
Claims (19)
1. a T-shaped sheet pile mould, it is characterised in that: described mould is formed by two symmetrical submodule tools and two pieces of termination baffle combination, and inside cross-sectional is T-shaped；Described submodule tool axially extends, and the cross section inside it is inverted L-type, and arranged outside has strengthening part；Described termination baffle plate is arranged on the two ends of described mould；Wherein, described strengthening part includes being arranged on the cross reinforcing outside submodule tool and waling.
2. T-shaped sheet pile mould according to claim 1, it is characterised in that: described cross reinforcing is independent horizontal reinforcing plate structure, or is independent hollow horizontal bar tubular construction, or is the combination of described horizontal bar plate and horizontal bar tubular construction.
3. T-shaped sheet pile mould according to claim 1, it is characterised in that: the termination baffle plate of at least one end of described mould is moveable structure.
4. T-shaped sheet pile mould according to claim 2, it is characterised in that: the end of described horizontal bar pipe has the maintenance mouth connecting steam providing apparatus.
5. T-shaped sheet pile mould according to claim 1, also includes longitudinal bracing frame, and described longitudinal bracing frame is arranged on the lower section of two lateral ends of the T-shaped top of described mould, it is possible to supports described T-shaped sheet pile mould and stabilizes it setting.
6. T-shaped sheet pile mould according to claim 5, it is characterised in that: also including supporting crossbeam, described support crossbeam can be fastened transversely to the upper opening place of described mould by bolt.
7. T-shaped sheet pile mould according to claim 1, also include stacking component, described stacking component includes first protruding or the first depression being arranged on described mould upper surface and second protruding or the second depression being arranged on described mould bottom surface, and the shape of described first protruding and described second depression or described first depression and described second projection is suitable.
8. T-shaped sheet pile mould according to claim 7, also includes the longitudinally disposed support column of upper surface and the bottom surface running through described mould.
9. the T-shaped sheet pile mould according to any one of claim 1-8, also include the roller devices being separately positioned on two sub-mold bottoms of inverted L shape, for when two the inverted L shape submodule tools forming T-shaped sheet pile mould apply power horizontally outward, making two described inverted L shape submodule tools disconnected from each other.
10. T-shaped sheet pile mould according to claim 1, it is characterised in that: at least one horizontal bar pipe of described mould extends to the top of the other end of this side from the bottom of the one end of mould side；The maintenance mouth of described connection steam providing apparatus is arranged on described horizontal bar pipe and is positioned at the side bottom mould.
11. T-shaped sheet pile mould according to claim 1, it is characterised in that: also including base plate, described submodule tool is connected on described base plate.
12. T-shaped sheet pile mould according to claim 11, it is characterised in that: described submodule tool is connected by bolt or by chute with base plate.
13. T-shaped sheet pile mould according to claim 1, it is characterised in that: described mould is additionally provided with multiple running wheel vertically, for coordinating with the wheel on centrifuge, drives described mold rotation.
14. the production method of a concrete T template stake, it is characterised in that comprise the steps:
(1) steel reinforcement cage is made: described steel reinforcement cage includes longitudinal rib and spiral helicine stirrup, additionally, be fixed with suspension ring also by the mode of artificial colligation or welding on above-mentioned steel reinforcement cage；
(2) steel reinforcement cage is installed: in the T-shaped sheet pile mould as described in being hung in by the steel reinforcement cage installed in claim 1-12 arbitrarily；
(3) assembly jig operation: steel reinforcement cage and L-type mould are assembled, blend compounds bar or straw rope or cloth seal the mosaic of two L-type moulds；
(4) cloth and molding procedure: in concreting to mould, will water after completely, utilize the mode of self-compaction molding or vibration moulding to make concrete formation；
(5) quiet shut-down sequence: will fill that concrete mould is quiet stops 0.5 ~ 4 hour；
(6) steam curing process: utilize high-temperature steam, carries out maintenance 4 ~ 8 hours to pile body；
(7) stripping process: mould and T-shaped sheet pile are easily separated, implements the demoulding.
15. production method according to claim 14, it is characterised in that the longitudinal rib in described steel reinforcement cage is deformed bar, before cloth and molding procedure, utilize tensioning equipment that this longitudinal rib is implemented prestressed stretch-draw.
16. the production method according to claims 14 or 15, it is characterised in that
In steam curing process, the horizontal bar pipe on mould is utilized to pass into high-temperature steam, thus pile body is carried out steam curing.
17. the production method of a concrete T template stake, it is characterised in that comprise the steps:
(1) steel reinforcement cage is made: described steel reinforcement cage includes longitudinal rib and spiral helicine stirrup, additionally, be fixed with suspension ring also by the mode of artificial colligation or welding on above-mentioned steel reinforcement cage；
(2) steel reinforcement cage is installed: hung in by the steel reinforcement cage installed in T-shaped sheet pile mould as claimed in claim 13；
(3) assembly jig operation: steel reinforcement cage and L-type mould are assembled, blend compounds bar or straw rope or cloth seal the mosaic of two L-type moulds；
(4) cloth and molding procedure: in concreting to mould, after watering completely rear matched moulds, mould will be placed on centrifuge and carry out centrifugal forming；
(5) steam curing process: utilize high-temperature steam that pile body is carried out maintenance 4 ~ 8 hours；
(6) stripping process: by two pieces of moulds are applied contrary power, push or pull on two moulds and separate with T-shaped sheet pile, implements the demoulding.
18. production method according to claim 17, it is characterised in that the longitudinal rib in described steel reinforcement cage is deformed bar, before cloth and molding procedure, utilize tensioning equipment that this longitudinal rib is implemented prestressed stretch-draw.
19. the production method according to claim 17 or 18, it is characterised in that
In steam curing process, the horizontal bar pipe on mould is utilized to pass into high-temperature steam, thus pile body is carried out steam curing.
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| CN110328743A (en) * | 2019-08-02 | 2019-10-15 | 福建省泷澄建筑工业有限公司 | A kind of precast beam end installation mold and its construction method |
| CN110682407A (en) * | 2019-10-20 | 2020-01-14 | 江龙 | Concrete prefabricated part production mold and concrete prefabricated part production method |
| CN110712270A (en) * | 2019-10-20 | 2020-01-21 | 江龙 | Production process of foam concrete prefabricated part |
| CN113210306A (en) * | 2021-04-19 | 2021-08-06 | 福建厚德节能科技发展有限公司 | Autoclaved aerated concrete bottom plate cleaning device and method |
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