CN115596198B - Assembled Z-shaped component, assembling die and construction method thereof - Google Patents
Assembled Z-shaped component, assembling die and construction method thereof Download PDFInfo
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- CN115596198B CN115596198B CN202211592577.7A CN202211592577A CN115596198B CN 115596198 B CN115596198 B CN 115596198B CN 202211592577 A CN202211592577 A CN 202211592577A CN 115596198 B CN115596198 B CN 115596198B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- 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
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Abstract
The application relates to an assembled Z-shaped member, an assembling die and a construction method thereof, wherein the assembled Z-shaped member comprises a die shell, a steel reinforcement framework and a opposite-pull connecting piece, the die shell is arranged at the outer side of the steel reinforcement framework, and a Z-shaped cavity is formed in the inner area of the die shell; the steel skeleton is arranged in the Z-shaped cavity; the opposite-pull connecting piece is fixed on the steel bar framework, two ends of the opposite-pull connecting piece are embedded in the mould shells at two opposite sides, and the steel bar framework and the mould shells are connected into a whole; the three mould shells are sequentially connected to form a Z-shaped structure with right angles at the corners, the corner joints are detachably connected through vertical mould shell connecting fasteners, and the inside of the three mould shells are respectively and correspondingly provided with a reinforcement cage and are prefabricated and formed independently. According to the Z-shaped component structure, the structure of the Z-shaped component is optimized, the Z-shaped component structure is split into unit modules which are easy to produce, and the manufacturing and transportation difficulty of the Z-shaped component is reduced.
Description
Technical Field
The application relates to the field of green building and novel building industrialization, in particular to an assembled Z-shaped member, an assembling die and a construction method thereof.
Background
The assembled composite shell system of the concrete shear wall structure is a concrete shear wall structure system formed by a composite shell shear wall, a composite shell beam, a laminated slab, a prefabricated stair, a prefabricated air conditioner plate and the like, and is called as an assembled composite shell system for short. The composite shell shear wall is a shear wall formed by composite shell components and cast-in-place concrete in the cavity. The composite shell beam refers to a beam formed by combining shell components and cast-in-place concrete inside a cavity. The combined shell component is an integrated cavity component consisting of a mould shell, a steel reinforcement framework and a opposite-pull connecting piece. The combined shell comprises a T-shaped combined shell member, an L-shaped combined shell member, a Z-shaped combined shell member, a cross-shaped combined shell member, a linear combined shell member, a combined shell beam member and a combined shell floor supporting plate member. The shuttering refers to a thin plate made of cement, sand, fiber and the like for bearing the side pressure of concrete pouring, and the shuttering is free from disassembly in the later period, and the thickness is generally 12 mm-30 mm. The opposite-pull connecting piece is a rod piece with two ends buried in the mould shell and used for fixing the reinforcement cage and bearing the lateral pressure of concrete pouring.
The assembled combined shell system of the concrete shear wall structure comprehensively adopts a permanent template technology and a steel bar forming and installing technology, and the templates and the steel bars are manufactured into components in factories and are installed after being transported to a construction site. The steel bar connection structure of the system is consistent with a cast-in-situ structure, no shear wall steel bar binding and formwork installation are carried out on site, the components are light in weight, convenient to hoist and transport, and the vertical components are fully assembled and fully cast-in-situ, so that the system has the advantages of an assembly type construction process and a cast-in-situ concrete structure.
At present, the production technology of the linear member tends to be mature, but the Z-shaped member is relatively difficult to produce and inconvenient to transport, and the Z-shaped position is often an edge member which plays a main anti-seismic role in the structure, and a new and old concrete joint surface is not suitable to appear along the wall limb direction, so that the Z-shaped member has higher requirements. Therefore, the implementation of the simple, easy and efficient Z-shaped member is provided, and the Z-shaped member has important significance for improving the application range of the fabricated building.
Disclosure of Invention
The purpose of this application is to provide an assembled Z shape component and equipment mould, construction method thereof, through optimizing the structure of Z shape component, split becomes the unit module of easy production, reduces the preparation and the transportation degree of difficulty of Z shape component.
In a first aspect, the present application provides an assembled Z-shaped component, which adopts the following technical scheme:
the Z-shaped member comprises a formwork, a steel bar framework and opposite-pull connecting pieces, wherein the formwork is arranged on the outer side of the steel bar framework, and Z-shaped cavities are formed in the inner areas of the six formworks; the cross section of the steel reinforcement framework is Z-shaped and is arranged in a Z-shaped cavity between the formworks; the opposite pulling connecting piece is fixed on the steel bar framework, and two ends of the opposite pulling connecting piece are embedded in the mould shells on two opposite sides to connect the steel bar framework and the mould shells into a whole.
Through adopting above-mentioned technical scheme, connect the mould shell and the framework of steel reinforcement of Z shape component through a plurality of to drawing the connecting piece, form a whole, and not cast concrete in Z shape component, only form the structural style of outer mould shell and interior framework of steel reinforcement, can enough reduce Z shape component's prefabricated processing degree of difficulty, reduced Z shape component's whole weight again, conveniently transport to the job site, then cast concrete again after the job site installation is accomplished.
Optionally, the three mould shells are sequentially connected to form a Z-shaped structure with right angles at the corners, and the corner joints are detachably connected through vertical mould shell connecting fasteners.
By adopting the technical scheme, the Z-shaped component is divided into three sections for prefabricating and forming to form a linear structure, the number of corners of a single prefabricated member is reduced, the volume of a single prefabricated member is reduced, the production and processing difficulty of the prefabricated member can be reduced, the single structure is simplified, the transportation and the field installation are also facilitated, and the advantages are obvious for the field of assembled combined shell wall components with complicated structure deviation.
Optionally, the steel reinforcement framework comprises longitudinal ribs, horizontal ribs and stirrups, the longitudinal ribs extend out of the top of the formwork and serve as upper and lower wall members to be connected with the steel bars; the longitudinal ribs are pre-bent in the area below the top of the formwork so as to avoid the longitudinal ribs of the upper-layer assembled combined shell wall member; the horizontal ribs extend out of the side surface of the mould shell and serve as connecting steel bars of adjacent wall members on the same layer, and the distances between the outer edges of the stirrups and the horizontal ribs and the inner surface of the mould shell are 0-20 mm.
By adopting the technical scheme, the longitudinal ribs are pre-bent in the area below the top of the formwork so as to avoid the longitudinal ribs of the upper-layer assembled combined shell wall member, so that the upper-layer assembled combined shell wall member and the lower-layer assembled combined shell wall member are more accurately aligned, no interference is formed between the longitudinal ribs, and the assembled combined shell wall member is convenient to mount layer by layer; the horizontal ribs extend out of the side surface of the mold shell and serve as connecting reinforcing bars of the same-layer adjacent wall members, so that the same-layer adjacent wall members can be mutually crossed, the connection tightness is higher, the connection is not easy to crack, and the integrity and the safety of the fabricated building are better.
Optionally, the Z-shaped component includes a first linear combination shell component, a second linear combination shell component, a third linear combination shell component and four vertical formwork connecting fasteners, two ends of the third linear combination shell component are respectively and closely fixed with the first linear combination shell component and the second linear combination shell component, and the outer sides of corners of the closely-connected positions are detachably connected through the vertical formwork connecting fasteners.
Optionally, the first linear combined shell component comprises a first mould shell, a second mould shell, a first linear steel reinforcement cage and a plurality of opposite-pull connecting pieces;
the linear combined shell component II comprises a mould shell III, a mould shell IV, a linear steel reinforcement cage II and a plurality of opposite-pull connecting pieces;
the linear combined shell component III comprises a mould shell IV, a mould shell VI, a linear steel reinforcement cage III and a plurality of opposite-pull connecting pieces;
two ends of the mould shell five are respectively and vertically connected with the mould shell three and the mould shell two, and two ends of the mould shell six are respectively and vertically connected with the mould shell four and the mould shell one.
By adopting the technical scheme, the Z-shaped component is formed by assembling three linear combined shell components, the structure is further simplified, and prefabrication, transportation and installation are more convenient.
In a second aspect, the present application provides an assembled Z-shaped component assembling die, which adopts the following technical scheme:
the assembly type Z-shaped member assembling die comprises a Z-shaped bottom die, wherein the bottom die comprises a bottom plate, a central die assembly arranged on the bottom plate and two end die assemblies vertically arranged at two ends of the central die assembly, and the two end die assemblies are distributed on different sides of the central die assembly;
the central die assembly comprises a central die inner plate and two central die outer plates which are arranged on two sides of the central die inner plate in parallel, and a central caulking groove for placing the die shell is formed between the central die inner plate and the central die outer plates;
the end die assembly comprises an end die inner plate and two end die outer plates which are arranged on two sides of the end die inner plate in parallel, and an end die embedding groove for translation of the die shell is formed between the end die inner plate and the end die outer plates;
two movable mould forms are arranged in the two central caulking grooves, and the movable mould forms can be abutted to the end parts of the movable mould forms.
Through adopting above-mentioned technical scheme, the central module carries out spacingly to two motionless die shells, carries out the location installation to two motionless die shells earlier, limits the length and the thickness of whole finished product, and the end die module leads spacingly to two sets of four die shells that move, makes the die shell that moves can only slide along end die caulking groove, and the die shell that moves inwards gradually until the butt is on motionless die shell, realizes accurate location connection between the die shells.
Optionally, a gap is arranged at one end of the central die outer plate and one end of the end die outer plate, which are close to each other, a vertical die shell connecting fastener is arranged in the gap, two side end faces of the vertical die shell connecting fastener are respectively abutted with the end faces of the central die outer plate and the end die outer plate, one end of the stationary die shell is abutted on the vertical die shell connecting fastener, and the movable die shell is abutted on the stationary die shell.
By adopting the technical scheme, the vertical shuttering connecting fastener is arranged at the junction of the central shuttering outer board and the end shuttering outer board, so that the end of the stationary shuttering can be limited, and the stationary shuttering connecting fastener can be just in an alignment installation state after the position of the stationary shuttering is determined, and can be directly connected with the stationary shuttering; the movable module can also move along the vertical mould shell connecting fastener in the moving process, so that the movable mould shell and the vertical mould shell connecting fastener can be conveniently connected.
Optionally, the thickness of the plate body of the vertical shuttering connecting fastener is the same as that of the central mold outer plate and the end mold outer plate, and the inner side surfaces of the vertical shuttering connecting fastener are coplanar with those of the central mold outer plate and the end mold outer plate.
By adopting the technical scheme, the position of the vertical formwork connecting fastener is conveniently positioned and installed, the vertical formwork connecting fastener is firstly connected with the stationary formwork, and when the stationary formwork is placed in the central caulking groove, the vertical formwork connecting fastener is abutted against the central formwork outer plate and the end formwork outer plate, so that the position of the stationary formwork can be accurately installed.
Optionally, the assembling die further comprises a top die arranged in a Z shape, the top die and the bottom die are arranged up and down oppositely, the top die also comprises a bottom plate, a center die assembly and an end die assembly, the bottom plate of the top die is provided with a hollowed-out groove for the steel reinforcement framework to penetrate upwards, and a plurality of supporting upright posts for fixing the steel reinforcement framework are connected between the top die and the bottom die;
the upper end of the supporting upright post is fixed on a central die inner plate of the top die, the lower end of the supporting upright post is inserted on the central die inner plate of the bottom die, and an insertion groove is formed in the central die inner plate of the bottom die.
By adopting the technical scheme, the structure of the top die is similar to that of the bottom die, the upper end and the lower end of the die shell are precisely limited by the cooperation of the top die and the bottom die, so that the upper end and the lower end of the die shell are connected with more precisely supporting columns to ensure the alignment of the upper and the lower positions of the bottom die and the top die, the upper end of the die shell is not contacted with the lower top surface of the top die, and the top die is prevented from being jacked up; when the shuttering is assembled, the top mold is used as the guiding and limiting structure on the upper part, after the shuttering is assembled, the supporting upright is fixed on the top mold, the reinforcement cage is fixed on the supporting upright, so that the top mold and the supporting upright can be used as a hoisting tool for Z-shaped members, the structural stability of the Z-shaped members in the hoisting process is ensured, and the supporting upright and the bottom mold are in an inserting connection mode, so that the shuttering is more convenient and quick to disassemble. Set up the fretwork groove on the cope, can be used for the framework of steel reinforcement to wear out upwards, can not influence the installation of framework of steel reinforcement.
In a third aspect, the application provides a construction method for an assembled Z-shaped member, which adopts the following technical scheme:
the construction method of the assembled Z-shaped component comprises the following steps:
respectively completing the assembly of the first linear combined shell component, the second linear combined shell component and the third linear combined shell component according to the sequence of binding the steel reinforcement framework, installing opposite-pull connecting pieces on the steel reinforcement framework and casting the formworks on two sides of the steel reinforcement framework, and selecting a setting cement-based early-strength material to manufacture the formworks;
the method comprises the steps of installing a linear combined shell component III in two central caulking grooves of a bottom die, connecting four vertical die shell connecting fasteners at two ends of a die shell V and a die shell V respectively, adjusting positions of the die shell V and the die shell V to enable two side plates of the vertical die shell connecting fasteners to be aligned with a central die outer plate and an end die outer plate respectively, and installing a top die at the top of the linear combined shell component III;
inserting the first linear combined shell component into one end of the top die and one end of the bottom die, enabling the upper end and the lower end of the first die shell and the upper end of the second die shell to be positioned in the end die embedding groove, pushing the first linear combined shell component inwards until the first linear combined shell component is abutted to the fifth die shell and the sixth die shell, and connecting and fixing the first linear combined shell component and the vertical die shell;
assembling and installing a second linear combination shell component in the same way to form a Z-shaped component;
and a lifting ring is arranged on the top die, the top die is lifted, the top die drives the Z-shaped component to lift up together and separate from the bottom die, the Z-shaped component is transferred to a construction position, and concrete is poured in the cavity after the Z-shaped component is installed in place, so that an integral structure is formed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the assembled Z-shaped component disassembles the Z-shaped component into a linear combined structure, solves the problem that the Z-shaped wall is inconvenient to prefabricate in a reinforced concrete structure, can reduce the difficulty of deep design, and plays a positive role in improving the applicability of an assembled concrete structure building and improving the assembly efficiency.
2. The reinforcement arrangement and the connection structure of the assembled Z-shaped member are consistent with those of a cast-in-situ structure, concrete in the cavity is integrally poured, no new and old concrete joint surfaces exist along the wall body direction, and the assembled Z-shaped member has good overall performance and excellent earthquake resistance.
3. The assembled Z-shaped component provided by the application needs to be sequentially manufactured, and after the assembled Z-shaped component reaches the preset strength, the assembled Z-shaped component is turned over to start the manufacture of the next formwork, and the production efficiency can be effectively improved through the application of the setting cement-based early-strength material.
4. The structure of the top die is the same as that of the bottom die, the upper end and the lower end of the die shell are precisely limited by the cooperation of the top die and the bottom die, so that the upper end and the lower end of the die shell are connected with more precisely supporting columns to ensure the alignment of the upper and lower positions of the bottom die and the top die, the upper end of the die shell is not contacted with the lower top surface of the top die, and the top die is prevented from being jacked up; when the shuttering is assembled, the top mold is used as the guiding and limiting structure on the upper part, after the shuttering is assembled, the supporting upright is fixed on the top mold, the reinforcement cage is fixed on the supporting upright, so that the top mold and the supporting upright can be used as a hoisting tool for Z-shaped members, the structural stability of the Z-shaped members in the hoisting process is ensured, and the supporting upright and the bottom mold are in an inserting connection mode, so that the shuttering is more convenient and quick to disassemble.
Drawings
FIG. 1 is a schematic view of the structure of an assembled Z-shaped member of the present application;
fig. 2 is a schematic structural view of an assembled Z-shaped member reinforcement cage according to the present application;
FIG. 3 is a schematic view of an assembled Z-member form of the present application;
fig. 4 is an assembly schematic diagram of three linear combination shell members according to embodiment 1 of the present application;
fig. 5 is an assembly forming schematic diagram of three linear combination shell members in embodiment 1 of the present application;
FIG. 6 is a schematic elevation view of a composite shell member in embodiment 1 of the present application;
FIG. 7 is a schematic view of a vertical formwork connecting fastener in accordance with example 1 of the present application;
FIG. 8 is a schematic view showing the overall structure of an assembling die according to embodiment 2 of the present application;
FIG. 9 is a schematic view of the bottom die in embodiment 2 of the present application;
FIG. 10 is a schematic view showing the assembled state of the mold shell in embodiment 3 of the present application;
in the figure: 1. a Z-shaped member; 11. a mould shell; 111. embedding nuts; 12. a reinforcement cage; 121. pre-bending longitudinal ribs; 13. a pull-to-pull connector; 14. a Z-shaped cavity; 2. a bottom die; 21. a bottom plate; 22. a center die inner plate; 23. a center die outer plate; 24. a central caulking groove; 25. an end die inner plate; 26. an end mold outer plate; 27. end molding grooves; 3. a top mold; 4. a support column; 5. the vertical shuttering is connected with a fastener; 51. a round hole; 6. a first linear combination shell member; 61. a first mould shell; 62. a second mould shell; 63. a first linear reinforcement cage; 64. positioning a first vertical steel bar at the rear; 65. a first horizontal steel bar lap joint area; 7. a second linear combined shell component; 71. a third mould shell; 72. a fourth mould shell; 73. a linear steel bar framework II; 74. secondly, positioning a second vertical steel bar; 75. a second horizontal steel bar lap joint area; 8. a linear combined shell member III; 81. fifth mould shell; 82. a sixth mould shell; 83. and a linear steel reinforcement framework III.
Detailed Description
The present application is described in further detail below with reference to fig. 1-9.
Referring to fig. 1 to 3, an assembled Z-shaped member 1 includes a formwork 11, a reinforcement cage 12 and a pull-to-pull connecting piece 13, wherein the formwork 11 is located at the outer side of the reinforcement cage 12, the enveloping areas of the six formworks 11 are Z-shaped cavities 14, the reinforcement cage 12 is located in the Z-shaped cavities 14, is Z-shaped, and is an earthquake-resistant reinforcement cage of a wall body. The opposite-pull connecting piece 13 is fixed on the steel reinforcement framework 12, and two ends of the opposite-pull connecting piece are embedded in the formwork 11 to connect the steel reinforcement framework 12 and the formwork 11 into a whole.
The thickness of the mould shell 11 is 12-30 mm, the mould shell 11 is made of a set-adjusting cement-based early-strength material, the mould shell 11 is produced in a pre-dry mixing mode, the material can be operated for 20-50 min within 10-40 ℃ by adjusting the proportion of an accelerator to a retarder, the compressive strength is more than 20MP for 2h, the final strength of the mould shell 11 can be achieved within a short time, and the mould shell has excellent crack resistance. When the shuttering 11 is manufactured, one shuttering 11 is manufactured firstly, and the other shuttering 11 is manufactured by overturning after the predetermined strength is reached, so that the manufacturing speed of each shuttering 11 of the Z-shaped component 1 can be accelerated.
The reinforcement cage 12 comprises longitudinal bars, horizontal bars and hooping bars, the longitudinal bars extend out of the top of the shuttering 11 and are used as upper and lower wall members for connecting the reinforcement bars, and the overlap length of the longitudinal bars is l for the reinforcing part at the bottom of the structure and the edge member area le The joint area percentage is 50%, and the joint stagger distance is not less than 0.3l le For other areas, the longitudinal directionThe overlap length of the ribs is l le Is connected in a lap joint way with equal sections; the horizontal ribs extend out of the side surface of the mould shell and are used as connecting reinforcing bars of adjacent wall members on the same layer, and the overlap joint length of the reinforcing bars is l le The steel bar structure and the connecting node structure are consistent with those of the cast-in-situ structure.
The split connecting piece 13 is a split bolt or a screw rod, so that the split connecting piece is conveniently connected with the steel reinforcement framework 12 and the formwork 11.
When the Z-shaped component 1 is designed, the Z-shaped component is formed by assembling two or more assembled combined shell wall components, the assembled combined shell wall components are integrated cavity components, the cross section of the assembled combined shell wall components is in a straight line shape, and the mold shells 11 of the adjacent components are closely spliced and connected into a whole. The Z-shaped component 1 is formed by assembling prefabricated assembled combined shell wall components with three straight-line cross sections.
The production and transportation links are implemented according to the linear wall components, the components are assembled after being transported to a construction site, the assembled Z-shaped component 1 is formed, then the assembled Z-shaped component is integrally lifted to a working surface, and the application problem of the Z-shaped component 1 is solved by adopting the existing production process and transportation mode.
Example 1: three linear combined shell wall components are assembled into Z-shaped component 1
As shown in fig. 4 and 5, the present embodiment provides an assembled Z-shaped member 1, which includes a first linear composite shell member 6, a second linear composite shell member 7, a third linear composite shell member 8, and four vertical formwork connecting fasteners 5, wherein the first linear composite shell member 6 includes a first formwork 61, a second formwork 62, a first linear reinforcement cage 63, and a plurality of pairs of pull connectors 13, the second linear composite shell member 7 includes a third formwork 71, a fourth formwork 72, a second linear reinforcement cage 73, and a plurality of pairs of pull connectors 13, and the third linear composite shell member 8 includes a fifth formwork 81, a sixth formwork 82, a third linear reinforcement cage 83, and a plurality of pairs of pull connectors 13.
The first die shell 61 is parallel to the second die shell 62 and is connected with the second die shell 62 through the opposite-pull connecting piece 13, one end of the first die shell 61 is flush with the second die shell 62, the other end of the first die shell is longer than the second die shell 62, and at least two opposite-pull connecting pieces 13 are arranged between the first die shell 61 and the second die shell 62, in the embodiment, two rows are arranged to ensure that the first die shell 61 and the second die shell 62 are effectively fixed, and the opposite-pull connecting piece 13 is prevented from being bent and unbuckled from the first die shell 61 and the second die shell 62; the third die shell 71 is parallel to the fourth die shell 72 and is connected with the fourth die shell 72 through the opposite-pulling connecting piece 13, one end of the third die shell 71 is flush with the fourth die shell 72, the other end of the third die shell is longer than the fourth die shell 72, and the opposite-pulling connecting piece 13 between the third die shell 71 and the fourth die shell 72 is not less than two columns, in the embodiment, two columns are arranged to ensure that the third die shell 71 and the fourth die shell 72 are effectively fixed, and the opposite-pulling connecting piece 13 is prevented from being bent and unbuckled from the third die shell 71 and the fourth die shell 72; the fifth mould shell 81 is parallel to the sixth mould shell 82 and is connected with the sixth mould shell 82 through the opposite-pull connecting piece 13, the fifth mould shell 81 and the sixth mould shell 82 are identical in length and are arranged in a staggered mode, the opposite-pull connecting piece 13 between the fifth mould shell 81 and the sixth mould shell 82 is not less than two columns, and four columns are arranged in the embodiment to ensure that the fifth mould shell 81 and the sixth mould shell 82 are effectively fixed, and the opposite-pull connecting piece 13 is prevented from being bent and unbuckled from the fifth mould shell 81 and the sixth mould shell 82.
As shown in fig. 6 and 7, a pre-buried nut 111 is fixed on one side of the shuttering 11 of each member close to the splicing position, the pre-buried nut 111 has a specification of M14, the distance between the pre-buried nut and the shuttering edge of each member in the horizontal direction is 100mm, the distance between the pre-buried nut and the shuttering edge of each member in the vertical direction is 1000mm, and each row is three. The diameter of the longitudinal bar is 16mm, a longitudinal bar pre-bending 121 is arranged in the top area of the mould shell 11, and the longitudinal bar is horizontally offset by 26mm (d+10mm) after bending, so that the collision between the longitudinal bar of an upper member and the overhanging bar above the longitudinal bar pre-bending 121 is avoided, the upper member is convenient to install, and the overhanging bar above the longitudinal bar pre-bending 121 can be installed in a subsequent welding mode; the overlap length of the longitudinal ribs is 832mm (l) le ) The joint area percentage was 50%, and the joint offset distance was 250mm (0.3 l le ）。
In the embodiment, the vertical shuttering connecting fastener 5 is made of steel, a steel plate with the thickness of 10mm is bent to form a right angle, two sides are equal, each side has the length of 150mm, and the length is consistent with the length of the shuttering 11; round holes 51 are formed in the vertical formwork connecting fastener 5, the aperture is 18mm, and the positions and the number of the holes correspond to those of the embedded nuts 111 on the formwork 11.
As shown in fig. 4 and fig. 5, the second formwork 62 is closely spliced with the fifth formwork 81 vertically, the vertical formwork connecting fastener 5 is leaned against the closely spliced position, and bolts are screwed into the embedded nuts 111 on the second formwork 62 and the fifth formwork 81 through the round holes 51, so that the connection between the second formwork 62 and the fifth formwork 81 is realized at the spliced position. In the same way, the first mould shell 61 is vertically closely spliced with the sixth mould shell 82 and is connected into a whole through a vertical mould shell connecting fastener 5, the fourth mould shell 72 is vertically closely spliced with the sixth mould shell 82 and is connected into a whole through a vertical mould shell connecting fastener 5, and the third mould shell 71 is vertically closely spliced with the fifth mould shell 81 and is connected into a whole through a vertical mould shell connecting fastener 5. Meanwhile, the horizontal steel bars of the first linear steel bar framework 63 are in lap joint with the third linear steel bar framework 83 to form a first horizontal steel bar lap joint area 65, and the first vertical steel bars 64 are placed in position and bound after being placed in the first horizontal steel bar lap joint area 65; the second horizontal steel bars of the linear steel bar framework 73 are in lap joint with the third linear steel bar framework 83 to form a second horizontal steel bar lap joint area 75, and the second vertical steel bars 74 in place are put into the second horizontal steel bar lap joint area 75 and bound to form the assembled Z-shaped member 1.
Example 2: the embodiment provides an assembling die for an assembled Z-shaped member, as shown in fig. 8 and 9, the die comprises a bottom die 2, a top die 3 and a supporting upright 4, the top die 3 is different from the bottom die 2 in that a hollow groove penetrating out of a reinforcement cage 12 is formed in a bottom plate 21 of the top die 3, the top die 3 and the bottom die 2 are arranged vertically opposite to each other, the supporting upright 4 is connected between the bottom die 2 and the top die 3, the upper end of the supporting upright is fixedly connected with the top die 3, and the lower end of the supporting upright is detachably connected with the bottom die 2.
In this embodiment, the bottom die 2 is in a zigzag shape, and the bottom die comprises a bottom plate 21, a central die assembly arranged at the middle section on the bottom plate 21, and end die assemblies arranged at two ends on the bottom plate 21, wherein the two end die assemblies are vertically arranged at two ends of the central die assembly and distributed at different sides of the central die assembly, and the bottom plate 21 is provided with zigzag plane plates.
The central die assembly comprises a central die inner plate 22 and two central die outer plates 23 which are arranged on two sides of the central die inner plate 22 in parallel, wherein the central die inner plate 22 is a rectangular plate which is horizontally fixed on the bottom plate 21, the central die outer plate 23 is a rectangular plate which is vertically fixed on the bottom plate 21, the height of the central die outer plate 23 is higher than that of the central die inner plate 22, two central caulking grooves 24 for placing the die shells 11 are formed between the central die inner plate 22 and the two central die outer plates 23, the width of the central caulking grooves 24 is matched with the thickness of the die shells 11, and the two stationary die shells 11 or linear members formed by the stationary die shells 11 are placed into the central caulking grooves 24 from above.
The end die assembly comprises an end die inner plate 25 and two end die outer plates 26 which are arranged on two sides of the end die inner plate 25 in parallel, wherein the end die inner plate 25 is a rectangular plate which is horizontally fixed on the bottom plate 21, the end die outer plate 26 is a rectangular plate which is vertically fixed on the bottom plate 21, the height of the end die outer plate 26 is higher than that of the end die inner plate 25, the center die outer plate 23 is vertically arranged with the end die outer plate 26, two end die embedding grooves 27 for placing the die shell 11 are formed between the end die inner plate 25 and the two end die outer plates 26, the width of each end die embedding groove 27 is matched with the thickness of the die shell 11, and the two movable die shells 11 slide into the end die embedding grooves 27 from the ends of the end die embedding grooves 27.
The end parts of the central die outer plate 23 and the end die outer plate 26 are close to each other and leave a gap, the vertical die shell connecting fastener 5 is arranged in the gap, the vertical die shell connecting fastener 5 can limit the end part of the fixed die shell 11, the thickness of the plate body of the vertical die shell connecting fastener 5 is the same as that of the central die outer plate 23 and the end die outer plate 26, the inner side surfaces of the vertical die shell connecting fastener 5 are coplanar with the inner side surfaces of the central die outer plate 23 and the end die outer plate 26, and the end surfaces of the two sides of the vertical die shell connecting fastener 5 are respectively abutted with the end surfaces of the central die outer plate 23 and the end die outer plate 26. By the arrangement, one end of the stationary mould shell 11 is abutted against the vertical mould shell connecting fastener 5 and can be quickly fixed, and the movable mould shell 11 is abutted against the stationary mould shell 11 and can be quickly fixed with the vertical mould shell connecting fastener 5.
The upper end of the supporting upright post 4 is fixed on the central die inner plate 22 of the top die 3, four supporting upright posts 4 are arranged in the embodiment and are respectively arranged at four vertex angle positions of the central die inner plate 22, the lower end of the supporting upright post 4 is inserted on the central die inner plate 22 of the bottom die 2, an inserting groove is formed in the central die inner plate 22 of the bottom die 2, in order to keep the stability of the top die 3, the depth of the inserting groove is deep enough, the top die 3 and the supporting upright post 4 are installed with the bottom die 2 after the reinforcing steel bar framework 12 is installed in the central die assembly, so that the reinforcing steel bar framework 12 can be connected with the die shell 11, the reinforcing steel bar framework 12 is connected with the supporting upright post 4, the reinforcing steel bar framework 12 and the supporting upright post 4 are connected in a binding mode, and the disassembling mode only needs to cut a binding iron wire.
Example 3: a method of constructing an assembled Z-shaped component, as shown in fig. 5, 8 and 10, comprising the steps of:
the first linear combined shell component 6, the second linear combined shell component 7 and the third linear combined shell component 8 are assembled respectively according to the sequence of binding the reinforcement cage 12, installing the opposite pulling connecting pieces 13 on the reinforcement cage 12 and casting the mould shells 11 on two sides of the reinforcement cage 12, and the mould shells 11 are made of setting cement-based early-strength materials;
the method comprises the steps of installing and placing a linear combined shell member III 8 in two central caulking grooves 24 of a bottom die 2, respectively connecting four vertical die shell connecting fasteners 5 at two ends of a die shell V81 and a die shell V82, adjusting positions of the die shell V81 and the die shell V82 to enable two side plates of the vertical die shell connecting fasteners 5 to be aligned with a central die outer plate 23 and an end die outer plate 26 respectively, and installing a top die 3 at the top of the linear combined shell member III 8;
inserting the first linear combined shell member 6 from one end of the top die 3 and the bottom die 2, enabling the upper end and the lower end of the first die shell 61 and the second die shell 62 to be positioned in the end die embedding groove 27, pushing the first linear combined shell member 6 inwards until the first linear combined shell member 6 is abutted to the fifth die shell member 81 and the sixth die shell member 82, and connecting and fixing the first linear combined shell member 6 and the vertical die shell connecting fastener 5;
assembling and installing the linear combination shell member II 7 in the same manner to form a Z-shaped member 1;
the top mould 3 is provided with a hanging ring, the top mould 3 is lifted, the top mould 3 drives the Z-shaped component 1 to lift up together and separate from the bottom mould 2, the Z-shaped component 1 is transferred to a construction position, and concrete is poured in the cavity after being installed in place, so that an integral structure is formed.
The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The assembling die for the assembled Z-shaped component is characterized by comprising a bottom die (2) which is arranged in a Z shape, wherein the bottom die (2) comprises a bottom plate (21), a central die assembly arranged on the bottom plate (21) and two end die assemblies vertically arranged at two ends of the central die assembly, and the two end die assemblies are distributed at different sides of the central die assembly;
the central die assembly comprises a central die inner plate (22) and two central die outer plates (23) which are arranged on two sides of the central die inner plate (22) in parallel, and a central caulking groove (24) for placing the die shell (11) is formed between the central die inner plate (22) and the central die outer plates (23);
the end die assembly comprises an end die inner plate (25) and two end die outer plates (26) which are arranged on two sides of the end die inner plate (25) in parallel, and an end die embedding groove (27) for translation of the die shell (11) is formed between the end die inner plate (25) and the end die outer plates (26);
two movable mould shells (11) are arranged in the two central caulking grooves (24), two movable mould shells (11) are arranged in the two end moulding grooves (27), and the movable mould shells (11) can be abutted to the end parts of the movable mould shells (11);
a gap is formed at one end, close to each other, of the central die outer plate (23) and the end die outer plate (26), a vertical die shell connecting fastener (5) is arranged in the gap, two side end faces of the vertical die shell connecting fastener (5) are respectively abutted with the end faces of the central die outer plate (23) and the end die outer plate (26), one end of the stationary die shell (11) is abutted on the vertical die shell connecting fastener (5), and the movable die shell (11) is abutted on the stationary die shell (11); the steel bar framework forming device comprises a bottom die (2), and is characterized by further comprising a top die (3) which is arranged in a Z shape, wherein the top die (3) and the bottom die (2) are arranged up and down oppositely, the top die (3) also comprises a bottom plate (21), a center die assembly and an end die assembly, a hollowed-out groove for upwards penetrating out a steel bar framework (12) is formed in the bottom plate (21) of the top die (3), and a plurality of supporting columns (4) for fixing the steel bar framework (12) are connected between the top die (3) and the bottom die (2);
the upper end of the supporting upright post (4) is fixed on a central die inner plate (22) of the top die (3), the lower end of the supporting upright post is spliced on the central die inner plate (22) of the bottom die (2), and a splicing groove is formed in the central die inner plate (22) of the bottom die (2); the shuttering (11) is a part of a Z-shaped member (1), the Z-shaped member (1) further comprises a reinforcement cage (12), the reinforcement cage (12) comprises longitudinal ribs, horizontal ribs and stirrups, the longitudinal ribs extend out of the top of the shuttering (11) and serve as upper and lower wall members to be connected with the reinforcement.
2. A fabricated Z-shaped component assembling die according to claim 1, wherein the thickness of the plate body of the vertical form connecting fastener (5) is the same as the thickness of the plate body of the center form outer plate (23) and the end form outer plate (26), and the inner side surfaces of the vertical form connecting fastener (5) are coplanar with the inner side surfaces of the center form outer plate (23) and the end form outer plate (26).
3. The assembly die for the assembled Z-shaped component according to claim 1, wherein the Z-shaped component (1) further comprises a opposite-pull connecting piece (13), the die shells (11) are arranged on the outer sides of the steel reinforcement frameworks (12), and Z-shaped cavities (14) are formed in the inner areas of the six die shells (11); the cross section of the steel reinforcement framework (12) is Z-shaped and is arranged in a Z-shaped cavity (14) between the formworks (11); the opposite-pull connecting piece (13) is fixed on the steel reinforcement framework (12), two ends of the opposite-pull connecting piece (13) are embedded in the mould shells (11) at two opposite sides, and the steel reinforcement framework (12) and the mould shells (11) are connected into a whole; the three mould shells (11) are sequentially connected to form a Z-shaped structure with right angles at the corners, and the corner joints are detachably connected through vertical mould shell connecting fasteners (5); the steel reinforcement framework (12) comprises longitudinal ribs, horizontal ribs and stirrups, the longitudinal ribs extend out of the top of the formwork (11) and serve as upper and lower wall members to be connected with steel bars; the longitudinal ribs are pre-bent in the area below the top of the mould shell (11) so as to avoid the longitudinal ribs of the upper-layer assembled combined shell wall member; the horizontal ribs extend out of the side surface of the mould shell (11) and serve as connecting steel bars of adjacent wall members on the same layer, and the distances between the stirrups, the outer edges of the horizontal ribs and the inner surface of the mould shell (11) are 0-20 mm; the Z-shaped component (1) comprises a first linear combined shell component (6), a second linear combined shell component (7), a third linear combined shell component (8) and four vertical formwork connecting fasteners (5), wherein two ends of the third linear combined shell component (8) are respectively and closely connected with the first linear combined shell component (6) and the second linear combined shell component (7), and the outer sides of corners of the closely connected positions are detachably connected through the vertical formwork connecting fasteners (5); the first linear combined shell component (6) comprises a first mould shell (61), a second mould shell (62), a first linear steel reinforcement framework (63) and a plurality of opposite-pull connecting pieces (13);
the linear combined shell component II (7) comprises a mould shell III (71), a mould shell IV (72), a linear steel bar framework II (73) and a plurality of opposite-pull connecting pieces (13);
the linear combined shell component III (8) comprises a mould shell IV (81), a mould shell VI (82), a linear steel bar framework III (83) and a plurality of opposite-pull connecting pieces (13);
two ends of a fifth mould shell (81) are respectively and vertically connected with a third mould shell (71) and a second mould shell (62), and two ends of a sixth mould shell (82) are respectively and vertically connected with a fourth mould shell (72) and a first mould shell (61).
4. A method of constructing a fabricated composite shell Z-shaped member using a fabricated Z-shaped member assembling die as claimed in claim 3, comprising the steps of:
assembling a first linear combined shell component (6), a second linear combined shell component (7) and a third linear combined shell component (8) respectively according to the sequence of firstly binding a steel reinforcement framework (12), installing opposite-pull connecting pieces (13) on the steel reinforcement framework (12) and casting the mould shells (11) on two sides of the steel reinforcement framework (12), and manufacturing the mould shells (11) by using a setting cement-based early-strength material;
the method comprises the steps of installing and placing a third linear combined shell member (8) in two central caulking grooves (24) of a bottom die (2), connecting four vertical die shell connecting fasteners (5) at two ends of a fifth die shell (81) and a sixth die shell (82) respectively, adjusting positions of the fifth die shell (81) and the sixth die shell (82) to enable two side plates of the vertical die shell connecting fasteners (5) to be aligned with a central die outer plate (23) and an end die outer plate (26) respectively, and installing a top die (3) at the top of the third linear combined shell member (8);
inserting the first linear combined shell component (6) from one end of the top die (3) and the bottom die (2), enabling the upper end and the lower end of the first die shell (61) and the upper end of the second die shell (62) to be positioned in the end die embedding groove (27), pushing the first linear combined shell component (6) inwards until the first linear combined shell component (6) is abutted to the fifth die shell (81) and the sixth die shell (82), and connecting and fixing the first linear combined shell component (6) and the vertical die shell connecting fastener (5);
assembling and installing a linear combination shell component II (7) in the same way to form a Z-shaped component (1);
the top mould (3) is provided with a hanging ring, the top mould (3) is lifted, the top mould (3) drives the Z-shaped component (1) to ascend together and separate from the bottom mould (2), the Z-shaped component (1) is transferred to a construction position, and concrete is poured in the cavity after being installed in place, so that an integral structure is formed.
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| CN115012649A (en) * | 2022-06-27 | 2022-09-06 | 苏州思萃融合基建技术研究所有限公司 | Template for concrete pouring at node of assembled beam column and mounting method thereof |
| CN115434455A (en) * | 2022-11-08 | 2022-12-06 | 中铁建设集团华北工程有限公司 | Assembled close-spliced shell system concrete shear wall structure and design method |
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