CN108442690B - Deformation joint template supporting method - Google Patents
Deformation joint template supporting method Download PDFInfo
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- CN108442690B CN108442690B CN201810271777.XA CN201810271777A CN108442690B CN 108442690 B CN108442690 B CN 108442690B CN 201810271777 A CN201810271777 A CN 201810271777A CN 108442690 B CN108442690 B CN 108442690B
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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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Abstract
A deformation joint template supporting method comprises the following steps: pre-burying a plurality of twisted steel bars, and pouring concrete to form a lower-layer shear wall; hoisting an outer tool template to the upper part of the lower layer shear wall, and clamping the outer tool template and the twisted steel in place in an aligning manner; installing the inner template to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner template and the outer tool template by using a counter-pulling screw rod; installing the side formwork to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner formwork by the opposite-pulling screw rod; the inner template and the side templates are tightly supported and reinforced by reinforcing steel pipes; and after the shear wall is formed by pouring, the outer tool template is separated from the wall body and then lifted off, and the dismantling is finished. The method for erecting the deformation joint template provided by the invention realizes simultaneous construction of the shear walls on two sides of the deformation joint, is simple and convenient to erect and dismantle, effectively saves materials and shortens the construction period.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a deformation joint template erecting method.
Background
In the existing construction of supporting a deformation joint template, after a shear wall on one side is constructed, a shear wall on the other side is constructed; or filling polystyrene boards in the deformation joints. The construction mode easily causes material waste and prolongs the construction period, and is contrary to the concept of green construction. Meanwhile, the construction quality is not easy to control, and the surface needs to be repeatedly trimmed. If the polystyrene board is filled, the disadvantage that the polystyrene board cannot be removed or is difficult to be removed completely exists.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the deformation joint template erecting method, the erecting and the dismantling are simple and convenient, the construction of the shear walls can be simultaneously carried out on the two sides of the deformation joint, the materials are effectively saved, and the construction period is shortened.
The purpose of the invention is realized by the following technical scheme:
a method for erecting a deformation joint template is used for erecting a template for forming a deformation joint with a turning structure, and comprises the following steps:
pre-burying a plurality of twisted steel bars and then pouring concrete to form a lower-layer shear wall;
hoisting an outer tool template to the upper part of the lower layer shear wall, and clamping the outer tool template and the twisted steel in place in an aligning manner;
installing the inner template to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner template and the outer tool template by using a counter-pulling screw rod;
installing the side formwork to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner formwork by the opposite-pulling screw rod;
the inner template and the side templates are tightly supported and reinforced by reinforcing steel pipes;
and pouring to form the shear wall, when the concrete strength of the wall body and the surface and corner strength of the wall body reach the dismantling strength value, hoisting the outer tool template by using a hoisting tool, dismantling the counter-pull screw, the main beam and the small beam, immediately separating the outer tool template from the wall body, and then hoisting away the outer tool template, thereby completing dismantling.
As the improvement of above-mentioned technical scheme, the external tool template with the side form board is connected and is formed the outside surface of movement joint, the inner formword is used for forming the inside surface of movement joint, the external tool template the side form board respectively with the inner formword sets up relatively and by it is taut fixed to the tie rod, the external tool template with the side form board has nonzero contained angle, the inner formword with the side form board is strengthened by consolidating steel pipe top respectively tightly.
As a further improvement of the technical scheme, the lower end of the outer tool template is provided with a support groove, the support groove is used for being connected with the twisted steel in a clamping mode, and the twisted steel is embedded in a mode of being high outside and low inside.
As a further improvement of the technical scheme, the outer tool template is made of a steel plate, the weight of the outer tool template is not more than the lifting capacity of field lifting equipment, and a lifting ring is arranged at the upper end of the outer tool template.
As a further improvement of the technical scheme, one end, close to the side die plate, of the outer tool die plate is provided with a side die reinforcing member, and the side die reinforcing member is used for fastening and reinforcing a steel pipe, so that the reinforcing steel pipe is tightly propped against one side surface, far away from the inner die plate, of the side die plate.
As a further improvement of the above technical means, the reinforcing steel pipe is penetrated by the split screw rods together.
As a further improvement of the technical scheme, the outer tool template is provided with a screw hole for the through installation of the counter-pulling screw, one end of the screw hole, far away from the inner template, is welded with a fastening nut, and the fastening nut is matched with the counter-pulling screw.
As a further improvement of the technical scheme, the outer tool template comprises a shaped plate and an unshaped plate which can be installed in a splicing mode, the two ends of the unshaped plate are connected with the shaped plate and the side template respectively, and a side template reinforcing member is arranged at one end, close to the side template, of the unshaped plate.
As a further improvement of the above technical solution, the shaped plate and the non-shaped plate are connected by a tongue-and-groove.
As a further improvement of the above technical solution, at least one of the inner form and the side form is made of a laminated plywood.
The invention has the beneficial effects that:
the formwork structure for forming the deformation joint with the turning structure is erected by the erecting method of the outer tool formwork, the inner formwork and the side formwork, simultaneous construction of shear walls on two sides of the deformation joint is achieved, repeated erecting and disassembling or filling of polystyrene boards are not needed, erecting and disassembling are simple and convenient, materials are effectively saved, construction period is shortened, and the purpose of green construction is achieved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow chart of a method for erecting a deformation joint template provided in embodiment 1 of the present invention;
fig. 2 is a schematic plan view of a deformation joint formwork structure of a deformation joint formwork erecting method according to embodiment 2 of the present invention;
fig. 3 is a schematic front view of a deformation joint formwork structure of the deformation joint formwork erecting method according to embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a reinforced steel pipe of a deformation joint formwork structure of the deformation joint formwork erecting method provided in embodiment 2 of the present invention;
fig. 5 is a schematic diagram of a tongue-and-groove structure of a deformation joint template setting method provided in embodiment 2 of the present invention.
Description of the main element symbols:
1000-deformed slot template structure, 0100-external tool template, 0110-shaped plate, 0111-rabbet, 0120-non-shaped plate, 0121-side template reinforcing member, 0130-support groove, 0140-screw hole, 0150-fastening nut, 0160-hanging ring, 0200-internal template, 0300-side template, 0400-split screw, 0500-reinforced steel pipe, 0510-connecting bridge and 0600-square timber.
Detailed Description
To facilitate an understanding of the present invention, a method of erecting a deformation joint form will be described more fully below with reference to the accompanying drawings. The preferred embodiment of the deformation joint template supporting method is shown in the attached drawings. However, the method of forming a seam template may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the deformation joint form erecting method is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 5, the present embodiment discloses a method for erecting a deformation joint template, which is used for erecting a deformation joint with a turning structure, and includes the following steps:
s1: and pouring concrete after embedding a plurality of twisted steel bars to form the lower-layer shear wall. When pre-buried, the twisted steel is distributed in a mode of high outside and low inside.
S2: and hoisting the outer tool template 0100 to the upper part of the lower-layer shear wall, and clamping the support groove 0130 and the twisted steel in place in an aligning manner. Exemplarily, when the external tool template 0100 is formed by splicing a plurality of plates (e.g., the shaped plate 0110 and the non-shaped plate 0120), the plurality of plates should be hoisted one by one to corresponding positions on the upper surface of the lower shear wall, so that each plate is aligned and clamped with the twisted steel bar. Furthermore, the tongue-and-groove 0111 between the adjacent plates is connected in contraposition.
S3: the inner template 0200 is installed to the corresponding position according to the axial elevation of the shear wall, and tensioning and fixing are achieved through the counter-pulling screw rod 0400 and the outer tool template 0100. Exemplarily, one side of the inner template 0200 far away from the outer tool template 0100 is fastened and fixed with the counter-pull screw 0400 through a butterfly buckle and a lock nut. That is, the counter-pull screw 0400 is inserted into the screw hole 0140 from the fastening nut 0150, and after sequentially inserted through the outer tool template 0100 and the inner template 0200, the counter-pull screw 0400 is locked into the butterfly buckle and the locking nut sequentially on the side of the inner template 0200 away from the outer tool template 0100, so as to realize the final fastening.
S4: and (3) mounting the side template 0300 to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner template 0200 by using a counter-pulling screw 0400. Exemplarily, one side of the inner template 0200 far away from the outer tool template 0100 is fastened and fixed with the counter-pull screw 0400 through a butterfly buckle and a lock nut. The practical application is as described in S3, and will not be described herein.
S5: and tightly supporting and reinforcing the inner template 0200 and the side template 0300 by using a reinforced steel pipe 0500. For example, the reinforcing steel pipes 0500 are fitted into the side mold reinforcement 0121 of the outer tool mold 0100, and the side mold 0300 is pressed tightly to reinforce the side mold. For another example, the reinforcing steel pipe 0500 is clamped into the inner die reinforcing member of the inner die plate 0200, and the inner die plate 0200 is tightly jacked to realize reinforcement. Further, the respective reinforcing steel pipes 0500 are collectively penetrated by the counter screw 0400, thereby further enhancing the connection strength.
S6: and (3) pouring to form the layer of shear wall, when the concrete strength of the wall body and the strength of the surface and the edges and corners of the wall body reach dismantling strength values, hanging the outer tool template 0100 by a hoisting tool, dismantling the counter-pull screw 0400, the main beam and the small beam, and then hanging the outer tool template 0100 away from the wall body after the outer tool template is separated from the wall body, thereby completing dismantling.
Exemplarily, the concrete demolition strength value of the wall body is 1.2 MPa. That is, when the strength of the wall concrete reaches 1.2MPa and the surface and the edges are not damaged by the removal of the formwork, the formwork can be removed. When the tool is removed, the outer tool template 0100 is lifted by a lifting tool, so that the outer tool template 0100 is prevented from falling off during demolding. When the oppositely pulling screw 0400, the main beam and the small beam are completely removed, the outer tool template 0100 is pried at the upper opening, and the outer tool template is lifted out by a lifting tool after being completely separated from the concrete wall surface.
Supplementary explanation, the removed external tool form 0100 is to clean the concrete inside, outside, at the joint and around the steel plate, then clean the floating ash adsorbed on the plate surface with a mop, and then brush the isolating agent uniformly with a rolling brush.
Example 2
Referring to fig. 2 to 4, the present embodiment further discloses a deformation joint template structure 1000 for implementing the method for erecting the deformation joint template described in embodiment 1. This deformation joint template structure 1000 includes outer tool template 0100, interior template 0200 and sets up in the side form 0300 of outer tool template 0100 one end, and outer tool template 0100 is connected with side form 0300 and is formed the outside surface of deformation joint, and interior template 0200 is used for forming the inside surface of deformation joint.
For example, in a deformation joint application having an L-shaped configuration, inner die plate 0200 is spliced to form the inside face of the L-shaped configuration and outer tool die plate 0100 is connected to side die plate 0300 to form the outside face of the L-shaped configuration it is understood that inner die plate 0200 may be spliced from a plurality of panels and similarly outer tool die plate 0100 and side die plate 0300 may be spliced from a plurality of panels, illustratively outer tool die plate 0100 is located outside the long side of the L-shaped configuration and side die plate 0300 is located outside the short side of the L-shaped configuration.
The outer tool template 0100 and the side template 0300 are respectively arranged opposite to the inner template 0200 and are tensioned and fixed by the oppositely-pulling screw rods 0400, the outer tool template 0100 and the side template 0300 have a non-zero included angle to form a turning structure of a deformation joint, and in the application of the deformation joint with the L-shaped structure, the outer tool template 0100 and the side template 0300 have a vertical distribution relation.
Wherein, the inner template 0200 and the side template 0300 are respectively tightly supported and reinforced by the reinforced steel pipe 0500. It can be understood that the reinforced steel tube 0500 tightly props the inner template 0200/side template 0300 from the surface of one side of the inner template 0200/side template 0300 close to the shear wall, and the outer tool template 0100, the inner template 0200 and the side template 0300 form a unified whole with reliable structure by combining the counter-pulling screw 0400.
The lower end of the outer tool template 0100 is provided with a support groove 0130, and the support groove 0130 is used for being clamped with a twisted steel bar pre-buried in lower-part formed concrete (such as a lower-layer shear wall). Supplementary explanation, the twisted steel is pre-buried through the mode of high inside low outside.
The outer tool form 0100 can be reliably installed on the lower formed concrete by the support of the pre-embedded rebar. Illustratively, the seat slots 0130 and the twisted steel bars are plural and are arranged in a one-to-one correspondence. Exemplarily, the depth of the seat groove 0130 is not less than 50mm, so that the overlapping size of the outer tool form 0100 and the lower formed concrete is not less than 50mm, thereby ensuring the connection strength therebetween.
Exemplarily, the outer tool template 0100 is made of steel plate and has a weight not larger than the lifting capacity of the field lifting equipment. Wherein, the upper end of the outer tool template 0100 is provided with a hoisting ring 0160 for the hoisting equipment to hook. The purpose is to ensure the structural strength of the outer tool template 0100 and also ensure the safety of the hoisting and installation of the outer tool template 0100.
For example, the outer tool template 0100 may be made of 15mm steel plate. It should be added that the height of the outer tooling template 0100 is determined by the floor height, and its width is an integral multiple of the width of the individual plates constituting the inner template 0200, so as to be conveniently fastened by tightening the tie screw 0400.
Exemplarily, one end of the outer tool template 0100 close to the side template 0300 is provided with a side template reinforcement 0121, and the side template reinforcement 0121 is used for fastening the reinforced steel tube 0500, so that the reinforced steel tube 0500 abuts against one side surface of the side template 0300 far from the inner template 0200.
For example, the side die reinforcement 0121 has L-shaped structure extending outward from the outer tool form 0100. L-shaped structure has the same extension as the reinforced side die 0300, in other words, L-shaped structure has the same extension as the sum of the sizes of the side die 0300 and the reinforced steel tube 0500, so that the reinforced steel tube 0500 is tightly caught in the L-shaped structure to tightly push the side die 0300 and prevent the side die 0300 from coming loose from the outer tool form 0100.
Further, the inner die plate 0200 is far away from one side of the outer tool die plate 0100 and is provided with an inner die reinforcing member. The inner mold reinforcing member is used for fastening the reinforcing steel pipe 0500, so that the reinforcing steel pipe 0500 abuts against the surface of one side, away from the outer tool template 0100, of the inner template 0200. Wherein, the internal mold reinforcement can be formed by extending from the internal mold plate 0200 in the direction far away from the external tool mold plate 0100.
Exemplarily, a square timber 0600 is arranged between the inner template 0200/side template 0300 and the reinforced steel pipe 0500 to provide a buffering effect and enhance the deformation capacity to increase the connection tightness.
Exemplarily, a screw hole 0140 for penetrating and installing the counter-pulling screw 0400 is arranged on the outer tool template 0100, a fastening nut 0150 is welded at one end of the screw hole 0140 far away from the inner template 0200, and the fastening nut 0150 is matched with the counter-pulling screw 0400. During application, the oppositely-pulling screw rods 0400 penetrate into the screw rod holes 0140 from the fastening nuts 0150, penetrate through the outer tool template 0100 and the inner template 0200 in sequence, and then are locked by the locking nuts arranged on one side of the inner template 0200, which is far away from the outer tool template 0100. It should be noted that the distance between the screw hole 0140 and the peripheral side of the outer tool template 0100 is not less than 50mm to ensure the structural strength of the screw hole 0140.
Exemplarily, the outer tool template 0100 comprises a shaped plate 0110 and an unshaped plate 0120 which can be installed in a splicing manner, the two ends of the unshaped plate 0120 are respectively connected with the shaped plate 0110 and the side template 0300, and a side template reinforcement 0121 is arranged at one end of the unshaped plate 0120 close to the side template 0300. It can be understood that the shaped plate 0110 is used to form the middle of the wall, and the non-shaped plate 0120 is used to form the wall edge or corner.
Referring to fig. 5, the shaped plate 0110 is exemplarily connected to the non-shaped plate 0120 by a tongue and groove 0111. The tongue-and-groove 0111 refers to a structure that when two flat plates are connected, the edges of the plates respectively form a half-edge through groove opening, and the half-edge through groove opening are overlapped and spliced one above the other to prevent a through seam. It should be understood that the interface between the shaped plate 0110 and the non-shaped plate 0120 includes both the interface between the plurality of shaped plates 0110 and the interface between the shaped plate 0110 and the non-shaped plate 0120.
For example, square steel bars can be welded at the interface between the shaped plate 0110 and the non-shaped plate 0120 respectively, so that a tongue and groove 0111 is formed at the interface, and the shaped plate 0110 is tightly jointed with the non-shaped plate 0120, thereby avoiding slurry leakage during concrete pouring.
Exemplarily, at least one of the inner template 0200 and the side template 0300 is made of a coated plywood. The laminated plywood surface is laminated for the concrete pouring process, and the inner template 0200 and the side template 0300 can be conveniently detached because the film coated on the surface is not easy to be bonded with concrete. The laminated plywood is exemplarily made of poplar or the like.
Exemplarily, the reinforced steel tube 0500 is penetrated by the counter-pulling screw 0400. In other words, the tie screw 0400 is fastened by a nut after penetrating the reinforced steel pipe 0500, and the connection reliability between the reinforced steel pipe 0500 and the side template 0300 and the inner template 0200 is further enhanced.
Exemplarily, the reinforcement steel tube 0500 is formed by welding two parallel steel tubes, further enhancing the fastening effect. Wherein, through connecting bridge 0510 welding fastening between two steel pipes. The middle part of the connecting bridge 0510 is provided with a through hole so as to facilitate the penetration and installation of the oppositely pulling screw rod 0400.
In particular, when the reinforced steel pipe 0500 is applied to the side mold plate 0300, the side mold reinforcement 0121 cooperates with the reinforced steel pipe 0500, and the reinforced steel pipe 0500 is connected to the inner mold plate 0200 through the counter-pulling screw 0400, so that the connection tightness of the outer tool mold plate 0100, the inner mold plate 0200 and the side mold plate 0300 is further enhanced.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A method for erecting a deformation joint template is used for erecting a template for forming a deformation joint with a turning structure, and is characterized by comprising the following steps:
pre-burying a plurality of twisted steel bars and then pouring concrete to form a lower-layer shear wall;
hoisting an outer tool template to the upper part of the lower layer shear wall, and clamping the outer tool template and the twisted steel in place in an aligning manner;
installing the inner template to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner template and the outer tool template by using a counter-pulling screw rod;
installing the side formwork to a corresponding position according to the axial elevation of the shear wall, and tensioning and fixing the inner formwork by the opposite-pulling screw rod;
the inner template and the side templates are tightly supported and reinforced by reinforcing steel pipes;
and pouring to form the shear wall, when the concrete strength of the wall body and the surface and corner strength of the wall body reach the dismantling strength value, hoisting the outer tool template by using a hoisting tool, dismantling the counter-pull screw, the main beam and the small beam, immediately separating the outer tool template from the wall body, and then hoisting away the outer tool template, thereby completing dismantling.
2. A deformation joint formwork erecting method according to claim 1, wherein the outer tool formwork and the side formwork are connected to form the outer side surface of the deformation joint, the inner formwork is used for forming the inner side surface of the deformation joint, the outer tool formwork and the side formwork are respectively opposite to the inner formwork and are fixed by tightening the opposite-pulling screw rods, the outer tool formwork and the side formwork have non-zero included angles, and the inner formwork and the side formwork are respectively fastened by tightening steel pipes.
3. The deformation joint template erecting method according to claim 1, wherein a support groove is formed in the lower end of the outer tool template and used for being clamped with the threaded steel bars, and the threaded steel bars are pre-embedded in a mode of being high outside and low inside.
4. A deformation joint formwork erecting method according to claim 3, wherein the outer tool formwork is made of steel plates and has a weight not greater than a lifting capacity of a field lifting device, and a lifting ring is provided at an upper end of the outer tool formwork.
5. A deformation joint formwork erecting method according to claim 1, wherein a side formwork reinforcing member is arranged at one end, close to the side formwork, of the outer tool formwork and is used for fastening and reinforcing a steel pipe, so that the reinforcing steel pipe is abutted against one side surface, far away from the inner formwork, of the side formwork.
6. A deformation joint formwork erecting method according to claim 1, wherein the reinforcing steel pipe is penetrated together by the counter-pulling screw.
7. The deformation joint template supporting method according to claim 1, wherein the outer tool template is provided with a screw hole for the counter-pulling screw to penetrate through, and one end of the screw hole, far away from the inner template, is welded with a fastening nut which is matched with the counter-pulling screw.
8. A deformation joint template supporting method according to claim 1, wherein the outer tool template comprises a shaped plate and an unshaped plate which can be installed in a splicing manner, two ends of the unshaped plate are respectively connected with the shaped plate and the side template, and a side template reinforcing member is arranged at one end of the unshaped plate close to the side template.
9. A deformation joint formwork erection method according to claim 8, characterized in that the shaped plate and the non-shaped plate are connected by tongue-and-groove.
10. A deformation joint formwork erecting method according to claim 1, wherein at least one of the inner formwork and the side formwork is made of laminated plywood.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201082A (en) * | 2015-10-10 | 2015-12-30 | 中建二局第二建筑工程有限公司 | Construction method of expansion joint shape setting formwork |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201082A (en) * | 2015-10-10 | 2015-12-30 | 中建二局第二建筑工程有限公司 | Construction method of expansion joint shape setting formwork |
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