CN113211623B - Method for manufacturing ring rib buckling connecting component - Google Patents

Method for manufacturing ring rib buckling connecting component Download PDF

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Publication number
CN113211623B
CN113211623B CN202110613030.XA CN202110613030A CN113211623B CN 113211623 B CN113211623 B CN 113211623B CN 202110613030 A CN202110613030 A CN 202110613030A CN 113211623 B CN113211623 B CN 113211623B
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China
Prior art keywords
cavity
main body
reserved
cavity block
ring rib
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CN202110613030.XA
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Chinese (zh)
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CN113211623A (en
Inventor
李伟文
杨卫平
余光
杨旭超
闵睿智
段小虎
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China Railway 24th Group Bridge Construction Co ltd
China Railway 24th Bureau Group Co Ltd
Original Assignee
China Railway 24th Group Bridge Construction Co ltd
China Railway 24th Bureau Group Co Ltd
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Priority to CN202110613030.XA priority Critical patent/CN113211623B/en
Publication of CN113211623A publication Critical patent/CN113211623A/en
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Publication of CN113211623B publication Critical patent/CN113211623B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements 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
    • B28B23/022Means for inserting reinforcing members into the mould or for supporting them in the mould
    • B28B23/024Supporting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0029Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0032Moulding tables or similar mainly horizontal moulding surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0029Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0055Mould pallets; Mould panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/38Treating surfaces of moulds, cores, or mandrels to prevent sticking

Abstract

The invention discloses a manufacturing method of a ring rib buckling connecting component, which comprises the following steps: manufacturing a mould main body; a strip-shaped base is transversely arranged in the front half cabin body in the mould main body, and a reinforcement cage of a prefabricated part is arranged in the rear half cabin body in the mould main body, wherein at least two cavity blocks are arranged on the strip-shaped base at intervals, and a gap is formed between every two adjacent cavity blocks to form an inter-groove; coating a retarder on the surface of each cavity block, then correspondingly placing a plurality of sections of reserved annular ribs into the intermediate grooves respectively, binding the end parts of the reserved annular ribs with the reinforcement cage, and spraying a foaming agent on the surface of the reserved annular ribs; pouring concrete into the bin body of the mould main body and maintaining; and demolding after the curing reaches the required strength to obtain the prefabricated part. The invention has the advantages that: the position of the ring rib in the reserved ring rib buckling shear wall is accurately positioned, binding work of the steel bar main body and the ring rib is not influenced, and the connection quality of the ring rib and a component can be ensured.

Description

Method for manufacturing ring rib buckling connecting component
Technical Field
The invention belongs to the technical field of assembly type structures, and particularly relates to a manufacturing method of a ring rib buckling connecting component.
Background
The cavity mould of traditional ring muscle lock connecting elements has the inaccurate problem of reservation ring muscle position location, and the quality of being connected of ring muscle and component is difficult to guarantee and because of the existence of reservation ring muscle, the mould drawing of patterns is difficult, and component concrete appearance quality is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a method for manufacturing a ring rib buckling connecting component according to the defects of the prior art, and the method for manufacturing the ring rib buckling connecting component is characterized in that cavity blocks distributed at intervals are arranged on a strip-shaped base of a mould main body to form grooves, so that a reserved ring rib is accurately preset and is effectively limited before concrete is poured, and a prefabricated component with the accurately positioned reserved ring rib is obtained.
The purpose of the invention is realized by the following technical scheme:
a manufacturing method of a ring rib buckling connecting component is characterized by comprising the following steps: manufacturing a die main body with a rectangular bin body; a strip-shaped base is transversely arranged in a front half cabin body in the mould main body, and a reinforcement cage of a prefabricated part is arranged in a rear half cabin body in the mould main body, wherein at least two cavity blocks are arranged on the strip-shaped base at intervals, and a gap is formed between every two adjacent cavity blocks to form an inter-groove; coating a retarder on the surface of each cavity block, then correspondingly placing a plurality of sections of the reserved annular ribs into the intermediate grooves respectively, binding the end parts of the reserved annular ribs with the reinforcement cage, and spraying a foaming agent on the surface of the reserved annular ribs; pouring concrete into the bin body of the mould main body and maintaining; and demolding after the required strength is achieved through maintenance to obtain the prefabricated part.
The mould main part includes four side forms and a die block, four the side form combination forms rectangular frame, the die block encapsulation sets up rectangular frame bottom.
The position of the inter-groove formed between the adjacent cavity blocks corresponds to the design position of the reserved ring rib, and the width of the inter-groove is 1.5-2.5mm larger than the diameter of the reserved ring rib.
The cavity block is an equilateral trapezoid block, and the trapezoid waist and the bottom edge of the cavity block form an included angle of 85 degrees, so that the inter-groove is V-shaped; at least two stiffening ribs are arranged in the cavity of the cavity block at intervals, and the outer surface of the cavity block is wrapped with a rubber layer.
And the end surface of the cavity block body is provided with a convex block.
Before concrete is poured into the bin body of the mould main body, a release agent is coated on the inner surface of the mould main body.
The demolding method comprises the following steps: and generating dislocation of the spacing groove between the prefabricated part and the cavity block, wherein the rubber layer on the surface of the cavity block generates elastic deformation in the dislocation process so as to separate the concrete from the surface of the reserved ring rib and the surface of the cavity block to generate gaps so as to separate the concrete from the surface of the reserved ring rib and the surface of the cavity block.
And buckling the two demolded prefabricated parts to form a closed quadrilateral cavity, and pouring slurry into the quadrilateral cavity to connect the two prefabricated parts into a whole.
The invention has the advantages that:
(1) The novel annular rib buckling connecting component cavity die can realize the accurate positioning of the position of the annular rib in the reserved annular rib buckling shear wall, does not influence the binding work of a steel bar main body and the annular rib, and can ensure the connecting quality of the annular rib and the component;
(2) The main body of the die is made of steel, so that the die is simple and convenient to manufacture and has good processability and weldability, the inside of the cavity block body is made of steel and can be directly connected with the grooves between the strip-shaped bases in a welding mode, the operation on a construction site is convenient, the welding quality is good, and the connection performance is superior to that of bolt connection;
(3) The cavity mould adopts a cavity steel block, two stiffening ribs are arranged in the cavity mould, the dead weight of the cavity block and the whole mould is reduced, the rigidity of the block is ensured, the cavity block and the mould are not easy to deform integrally, the elastic rubber body on the outer layer of the cavity block can generate small deformation, after pouring is finished, a small amount of water slurry can fill the gap between grooves of the cavity block, so that a component and the cavity block are tightly bonded and difficult to separate, the small deformation of the rubber body increases the gap between the component and the cavity block to a certain extent, and demoulding is facilitated;
(4) The retarder is coated on the surface of the cavity block and the adjacent area, so that the cement coagulation hardening degree in the area can be delayed, the strength of the cement block in the area is lower than that of the member main body, the cement block bonded with the member and the mold can be more easily damaged, and the demolding is smooth;
(5) The foam is sprayed on the annular ribs, so that concrete attached to the annular ribs can be chiseled off more easily, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of a mold body according to the present invention;
FIG. 2 is a schematic structural view of a cavity block according to the present invention;
FIG. 3 is a schematic view of a strip-shaped base provided with a plurality of cavity blocks at intervals according to the present invention;
FIG. 4 is a schematic view of the construction of the prefabricated unit according to the present invention;
fig. 5 is a schematic view of the assembly of the prefabricated parts according to the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
referring to fig. 1-5, the symbols in the figures are: the mould comprises a mould main body 1, a side mould 1a, a bottom mould 1b, a mould platform 2, a strip-shaped base 3, a cavity block 4, a cavity steel shell 5, a rubber layer 6, a stiffening rib 7, a grouting area 8, a sealing strip 9, a reserved ring rib 10, a prefabricated part 11, a convex block 12, a groove 13 and an inter-groove 14.
Example (b): as shown in fig. 1, 2, 3, 4 and 5, the present embodiment relates to a method for manufacturing a buckle connection member, which includes the following steps:
(1) As shown in fig. 1 and 3, according to the geometric size and configuration of a prefabricated part 11 to be processed, a mold main body 1 is processed and manufactured, the mold main body 1 mainly comprises a rectangular frame consisting of four side molds 1a, and a bottom mold 1b is arranged at the bottom of the rectangular frame, so that the mold main body 1 is provided with a cubic bin; the cubic bin body is divided into a front half bin body and a rear half bin body, a strip-shaped base 3 is transversely arranged in the front half bin body, a ring rib area and a ring rib-free area are divided and correspond to 1 group or a plurality of groups of mould main bodies 1, the parts with the ring rib areas are arranged, a plurality of cavity blocks 4 are arranged on the strip-shaped base 3 at intervals, gaps between the adjacent cavity blocks 4 form an inter-groove 14, so that the reserved ring ribs 10 are accurately aligned and clamped in the inter-groove, the number of the cavity blocks 4 is at least 2 or more, and the flexible and accurate arrangement of the reserved ring ribs 10 can be realized by adjusting the arrangement positions of the cavity blocks 4; and the part of the annular rib-free area is provided with the die platforms 2 with the same height as the cavity block 4 on the strip-shaped base 3, and the die platforms 2 are respectively arranged on two sides of the strip-shaped base 3 in the embodiment.
As shown in fig. 1, 2 and 3, the cavity blocks 4 in this embodiment are connected to the strip-shaped base 3 by welding, the cavity blocks 4 are in an equilateral trapezoid shape, and the trapezoid waist and the longer base form an included angle of 85 degrees, so that the inter-groove 14 between the adjacent cavity blocks 4 is in a V-groove shape with a smaller lower part and a larger upper part, so as to facilitate the placement, the spacing and the removal of the reserved ring rib 10, and in general, the width of the inter-groove 14 is about 2mm larger than the diameter of the reserved ring rib 10, so that the reserved ring rib 10 can be smoothly placed and the angle thereof can be effectively restricted to form an angle close to 90 degrees with the prefabricated component 11 to be poured; it should be noted that the main body of the cavity block 4 is a cavity steel shell 5, a plurality of stiffening ribs 7 are arranged in the cavity steel shell 5 to enhance the rigidity thereof and prevent deformation, in addition, a rubber layer 6 is wrapped on the outer surface of the cavity steel shell 5, the rubber layer 6 and the cavity steel shell 5 can be bonded by glue, meanwhile, whether a bump 12 is arranged on the end surface of the cavity block 4 facing the rear half cabin body according to the requirement of the seam shearing resistance of the prefabricated part 11 is selected, in this embodiment, the bump 12 is selected to be arranged on the end surface of the cavity block 4, and correspondingly, a groove 13 is correspondingly arranged on the prefabricated part 11 obtained at that time.
(2) The retarder is fully coated on the surface and the adjacent area of the installed cavity block 4, the hardening speed of cement in the area can be delayed by coating the retarder, the strength of the cement block in the area is lower than that of the component main body, the cement block bonded by the prefabricated component 11 and the cavity block 4 is more easily damaged, and therefore demoulding is smoothly carried out; and a release agent is sufficiently coated on the inner surface of each of the die plates of the die main body 1.
(3) After the arrangement of the die main body 1 is completed, a steel reinforcement framework is erected in the rear half cabin body of the die main body 1, reserved annular ribs 10 are correspondingly arranged in the grooves 14 in the front half cabin body respectively, the closed loop parts of the reserved annular ribs 10 are just clamped in the grooves 14, and the opening end parts of the reserved annular ribs 10 are bound and fixed with the steel reinforcement framework. In addition, foam is sprayed on the surface of the whole section of the reserved annular rib 10, and the foaming agent is used for isolating the reserved annular rib 10 from cement slurry, so that the cement slurry attached to the reserved annular rib 10 forms a loose and porous cement block body, the bonding force with the reserved annular rib 10 is small, chiseling is easy, the subsequent treatment efficiency of the prefabricated part after demolding is high, and the construction period is shortened.
(4) Pouring is carried out in the die body 1, after pouring is finished and curing is carried out to proper strength, demoulding is carried out, each side die 1a of the die body 1 is firstly dismantled, as the width of a groove 14 between the die cavity blocks 4 is larger than the diameter of the reserved annular rib 10, during pouring, cement paste enters the groove 14 and generates certain strength along with curing so as to generate large adhesive force between the reserved annular rib 10 and the die cavity blocks 4, in order to ensure the appearance quality of the prefabricated component 11, demoulding cannot be carried out forcibly, the prefabricated component 11 and the rest die body 1 need to be mutually dislocated firstly, so that the groove between the reserved annular rib 10 and the die cavity blocks 4 generates dislocated movement, in the process, as elastic deformation is generated by a high-elasticity rubber layer 6 on the outer side of the die cavity blocks 4, the surfaces of the reserved annular rib 10 and the die cavity blocks 4 can be separated and generate cracks, and as a retarder acts, cement body strength of the connection surfaces of the two is low, part of cement blocks in the dislocated process can fall off the adhesive effect, after the dislocated movement is repeatedly carried out, the prefabricated component of the prefabricated component 11 is completely obtained, and finally, as shown in a drawing.
(5) As shown in fig. 5, the two prefabricated components 11 after demolding are fastened with each other, the upper and lower templates are matched to form a closed quadrilateral cavity in an enclosing manner, a sealing strip 9 is further arranged at the joint of the upper and lower templates and the prefabricated components 11 to improve the sealing performance of the cavity, slurry is poured into the quadrilateral cavity to enable the two reserved circular ribs 10 to be connected into a whole after the slurry curing is completed, and the two prefabricated components 11 are also connected into a whole.
The beneficial effect of this embodiment does: (1) The novel annular rib buckling connecting component cavity die can realize the accurate positioning of the position of the annular rib in the reserved annular rib buckling shear wall, does not influence the binding work of a steel bar main body and the annular rib, and can ensure the connecting quality of the annular rib and the component;
(2) The main body of the die is made of steel, so that the die is simple and convenient to manufacture and has good processability and weldability, the inside of the cavity block body is made of steel and can be directly connected with the grooves between the strip-shaped bases in a welding mode, the operation on a construction site is convenient, the welding quality is good, and the connection performance is superior to that of bolt connection;
(3) The cavity mould adopts a cavity steel block, two stiffening ribs are arranged in the cavity mould, the dead weight of a cavity block and the whole mould is reduced, the rigidity of the block is ensured, the cavity block and the whole mould are not easy to deform, the elastic rubber body on the outer layer of the cavity block can generate small deformation, after pouring is finished, a small amount of cement slurry can be filled into a groove gap of the cavity block, so that a component is tightly bonded with the cavity block and is difficult to separate, the small deformation of the rubber body increases the gap between the component and the cavity block to a certain extent, and demoulding is convenient;
(4) The retarder is coated on the surface of the cavity block and the adjacent area, so that the cement coagulation hardening degree in the area can be delayed, the strength of the cement block in the area is lower than that of the member main body, the cement block bonded with the member and the mold can be more easily damaged, and the demolding is smooth;
(5) The foam is sprayed on the annular ribs, so that concrete attached to the annular ribs can be chiseled off more easily, and the production efficiency is improved.

Claims (4)

1. A manufacturing method of a ring rib buckling connecting component is characterized by comprising the following steps: manufacturing a die main body with a rectangular bin body; a strip-shaped base is transversely arranged in a front half cabin body in the mould main body, and a reinforcement cage of a prefabricated part is arranged in a rear half cabin body in the mould main body, wherein at least two cavity blocks are arranged on the strip-shaped base at intervals, and a gap is formed between every two adjacent cavity blocks to form an inter-groove; coating a retarder on the surface of each cavity block, then correspondingly placing a plurality of sections of reserved ring bars into the intermediate grooves, binding the end parts of the reserved ring bars with the reinforcement cage, and spraying a foaming agent on the surface of the reserved ring bars; pouring concrete into the bin body of the mould main body and maintaining; after the required strength is achieved through maintenance, demolding is carried out, and the prefabricated part is obtained;
the position of the inter-groove formed between the adjacent cavity blocks corresponds to the design position of the reserved annular rib, and the width of the inter-groove is 1.5-2.5mm larger than the diameter of the reserved annular rib;
the cavity block is an equilateral trapezoid block, and the trapezoid waist and the bottom edge of the cavity block form an included angle of 85 degrees, so that the inter-groove is V-shaped; at least two stiffening ribs are arranged in the cavity of the cavity block at intervals, and the outer surface of the cavity block is wrapped with a rubber layer;
the demolding method comprises the following steps: and generating dislocation of the spacing groove between the prefabricated part and the cavity block, wherein the rubber layer on the surface of the cavity block generates elastic deformation in the dislocation process so as to separate the concrete from the surface of the reserved ring rib and the surface of the cavity block to generate gaps so as to separate the concrete from the surface of the reserved ring rib and the surface of the cavity block.
2. The method as claimed in claim 1, wherein the mold body includes four side molds and a bottom mold, the four side molds are combined to form a rectangular frame, and the bottom mold is disposed at the bottom of the rectangular frame.
3. The method as claimed in claim 1, wherein the cavity block has a protrusion on an end surface thereof.
4. The method as claimed in claim 1, wherein a release agent is applied to the inner surface of the mold body before the concrete is poured into the cabin of the mold body.
CN202110613030.XA 2021-06-02 2021-06-02 Method for manufacturing ring rib buckling connecting component Active CN113211623B (en)

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CN202110613030.XA CN113211623B (en) 2021-06-02 2021-06-02 Method for manufacturing ring rib buckling connecting component

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CN113211623B true CN113211623B (en) 2022-11-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4153005B2 (en) * 2006-12-26 2008-09-17 シャープ株式会社 Ink ejection device
CN106827226A (en) * 2017-01-28 2017-06-13 初明进 Prefabricated components preparation method with connection reinforcing bar
CN107882240A (en) * 2017-10-16 2018-04-06 华南理工大学 The prefabricated superimposed sheet of one kind regeneration monolith and its manufacture craft
CN108789785A (en) * 2018-08-17 2018-11-13 中国建筑第七工程局有限公司 The steel hoop prefabricated components baffle of light wear-resistant and the mold including the baffle
CN211662292U (en) * 2020-01-03 2020-10-13 山东东展兴鲁装配式新型建材有限公司 Mould of prefabricated parapet component
CN211806824U (en) * 2020-03-02 2020-10-30 河北东风世景模板有限公司 Mold for preparing rib prefabricated part

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04153005A (en) * 1990-10-18 1992-05-26 Nippon Kaiser Kk Manufacture of precast concrete beam

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4153005B2 (en) * 2006-12-26 2008-09-17 シャープ株式会社 Ink ejection device
CN106827226A (en) * 2017-01-28 2017-06-13 初明进 Prefabricated components preparation method with connection reinforcing bar
CN107882240A (en) * 2017-10-16 2018-04-06 华南理工大学 The prefabricated superimposed sheet of one kind regeneration monolith and its manufacture craft
CN108789785A (en) * 2018-08-17 2018-11-13 中国建筑第七工程局有限公司 The steel hoop prefabricated components baffle of light wear-resistant and the mold including the baffle
CN211662292U (en) * 2020-01-03 2020-10-13 山东东展兴鲁装配式新型建材有限公司 Mould of prefabricated parapet component
CN211806824U (en) * 2020-03-02 2020-10-30 河北东风世景模板有限公司 Mold for preparing rib prefabricated part

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