CN111424963A - Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg - Google Patents
Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg Download PDFInfo
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- CN111424963A CN111424963A CN202010270706.5A CN202010270706A CN111424963A CN 111424963 A CN111424963 A CN 111424963A CN 202010270706 A CN202010270706 A CN 202010270706A CN 111424963 A CN111424963 A CN 111424963A
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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
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
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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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a reinforcing method for preventing deformation of an expansion joint of a concrete shear wall, facilitating disassembly and avoiding locking feet, and particularly relates to the field of expansion joint reinforcement, wherein a reinforcing device is arranged in the expansion joint and fixedly connected with shear wall plates on two sides; reinforcing apparatus includes two steel formworks, a plurality of formula of cutting jack and a plurality of wallboard coupling assembling, and two steel formworks are as an organic whole with the shear force wallboard laminating of both sides respectively and through a plurality of wallboard coupling assembling fixed mounting, and a plurality of formula of cutting jacks set up between two steel formworks, and every formula of cutting jack both sides all through the connecting square pipe with the steel formworks fixed connection of both sides, formula of cutting jack top swing joint has manual bull stick, through manual bull stick drive formula of cutting jack and tighten up and open the action. The reinforcing method for the expansion joint of the concrete shear wall can effectively solve the problems that the expansion joint with the width of less than or equal to 250mm is inconvenient to construct at the same time, and the expansion die of the template is difficult to remove and lock the foot after construction.
Description
Technical Field
The embodiment of the invention relates to the field of expansion joint reinforcement, in particular to a reinforcement method for preventing deformation, easy removal and free of locking pins of an expansion joint of a concrete shear wall.
Background
In the construction process of most buildings, often run into expansion joint both sides shear wall seam width and be less than 250mm, and in order to guarantee outward appearance shaping quality and convenient reinforcement during the common construction, can adopt each unit of expansion joint both sides concreting respectively, the expansion joint both sides concrete is if pour alone, easily influence whole construction progress of a whole building, probably influence the arrangement of relevant perpendicular transport means simultaneously, for not influencing whole construction progress, reduce simultaneously because of the construction joint width is not enough to cause the inconvenient reinforcement of lock foot screw rod and template mould that rises etc. of expansion joint department, improve the big mould that the width is not less than 250mm of expansion joint department, also can have enough to meet the need the use according to the big template of conventional residential building expansion joint simultaneously.
Expansion joints are arranged on the single bodies with overlong houses according to design requirements, but the width of partial expansion joints is smaller than 250mm according to the design structure requirements, and the expansion joints with undersized width are not beneficial to the reinforcement and processing of actual templates on site, so that the forms of sectional construction or large template splicing and the like are considered during site construction, and the sectional construction easily causes relative influence on the progress of the construction period of the project; meanwhile, the wall corner joint is also extremely inconvenient to reinforce, and the mould is easy to expand due to the fact that the wall corner joint is not reinforced in place; and then the large formwork is spliced and constructed simultaneously, if the reinforcing form of the split screw is not in place, the loose screws easily cause the difficulty or difficulty in the removal of the formworks at the two sides of the expansion joint in the later period.
Disclosure of Invention
Therefore, the embodiment of the invention provides a method for reinforcing an expansion joint of a concrete shear wall, which is deformation-resistant, easy to remove and free of locking pins, and aims to solve the problems that the expansion joint with the width less than or equal to 250mm is inconvenient to reinforce and is constructed simultaneously in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the reinforcing device for preventing the expansion joint of the concrete shear wall from deforming, being easy to remove and avoiding the locking leg is arranged in the expansion joint and is fixedly connected with the shear wall plates on the two sides.
Reinforcing apparatus includes two steel formworks, a plurality of formula of cutting jack and a plurality of wallboard coupling assembling, and two steel formworks are as an organic whole with the shear force wallboard laminating of both sides respectively and through a plurality of wallboard coupling assembling fixed mounting, and a plurality of formula of cutting jacks set up between two steel formworks, and every formula of cutting jack both sides all through the connecting square pipe with the steel formworks fixed connection of both sides, formula of cutting jack top swing joint has manual bull stick, through manual bull stick drive formula of cutting jack and tighten up and open the action.
Furthermore, rings are welded on two sides of the top end of the steel formwork.
Further, wallboard coupling assembling includes a plurality of installation screw rods, fixed side's pipe, fastening nut and steel pipe, steel pipe and fixed side's pipe are gone up and have evenly been seted up one row of through-hole, the installation screw rod runs through-hole and both ends and fastening nut threaded connection.
Further, one side that the steel form was kept away from to the shear force wallboard is equipped with the plank, a plurality of from the top down evenly distributed's steel pipe and fixed square pipe are installed respectively to plank surface and steel form surface, the perforation has all been seted up to the position that corresponds the through-hole on plank, shear force wallboard and the steel form, the installation screw rod runs through the through-hole and perforates and just manages and steel pipe welded connection through fastening nut and fixed square.
Furthermore, the number of the scissor jacks is three, and the three scissor jacks are distributed in the expansion joint in a triangular mode.
Further, scissor jack includes screw rod, slider and articulated arm, the slider sets up to two and the both ends of thread mounting in the screw rod, the articulated arm sets up to four and two and is a set of, and two sets of articulated arms set up about the screw rod symmetry, and every group articulated arm is the crisscross setting of V type, and every articulated arm one end is connected through the articulated joint is articulated with the square pipe of connecting and the other end passes through the articulated joint with the slider and is articulated to be connected.
Furthermore, the top end of the screw rod is fixedly connected with a hanging ring, and the hanging ring is movably clamped with the manual rotating rod.
Further, scissor jack bottom is equipped with terminal stop gear, terminal stop gear includes U template and gag lever post, the U template sets up in the screw rod bottom, the U template top extend to the both sides of screw rod and with nearest hinge fixed connection, the installation screw has been seted up on the U template both sides wall, the gag lever post runs through the installation screw and with installation screw threaded connection, the gag lever post sets up in the screw rod bottom.
Further, the installation screw sets up to a plurality of, and a plurality of installation screw is a style of calligraphy evenly distributed in U template both sides wall from the top down.
The invention also provides a reinforcing method of the reinforcing device for preventing the expansion joint of the concrete shear wall from deforming, being easy to remove and avoiding locking feet, which comprises the following steps:
s1, purchasing and processing steel templates on two sides according to the width of the expansion joint shear wall, wherein the size of the steel templates is 3660 layers of iron plates with the height of +100mm 4mm, arranging screw spacing and through holes according to a special construction scheme of template engineering, horizontally arranging a 40 60 x 2 fixed square pipe and a steel pipe in the through holes, and impacting through holes with the same size at the same position;
s, after the fixed square pipe is punched, welding a nut required to be fastened by a matched screw at the position of the through hole, and overlapping and fully welding the through holes of the fixed square pipe and the steel pipe with the horizontal through hole on the steel template;
s3, refitting the scissor jack, welding two 40-60-2 connecting square pipes with the length of about 150mm on the upper part and the lower part of the jack, arranging a tail end limiting mechanism with the size of a seam width at the tail end of a screw rod of the jack, and welding the refitted jack and steel templates on two sides at proper positions;
s4, welding two Ø 20 hoisting rings on two sides of the upper openings of the steel templates on two sides respectively for hoisting the finished steel templates;
s5, when the steel formworks are hoisted, the jacks belong to an initial tightening state, the steel formworks on one side are installed firstly after hoisting, after the steel formworks on one side are basically reinforced, the three jacks are simultaneously rotated by adopting a manual rotating rod, so that the jacks are adjusted to the limiting positions of the tail end limiting mechanisms, and then the steel formworks on the other side are reinforced;
s6, checking and accepting, and pouring concrete;
s7, after reaching a certain strength, the large mould is hoisted by a tower crane or other vertical transport means, after the initial loose state is kept, the manual rotating rod is simultaneously rotated to send three jacks, the corresponding fastening screw rods are removed, and the large mould is hoisted to the upper floor.
The embodiment of the invention has the following advantages:
the reinforcing mode for the expansion joint of the concrete shear wall comprises an iron plate, a scissor jack, a square tube and the like, can effectively reduce the problems that the expansion joint with the width of less than or equal to 250mm is inconvenient to construct at the same time, and a template expansion die is difficult to disassemble and lock feet after construction, and can shorten the construction period, be easy to disassemble and ensure the engineering quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of a steel form and scissor jack mounting structure provided by the present invention;
FIG. 2 is an overall cross-sectional view provided by the present invention;
FIG. 3 is a schematic view of a scissor jack mounting arrangement provided by the present invention;
FIG. 4 is a schematic diagram of a scissor jack configuration provided by the present invention;
FIG. 5 is a schematic structural view of a distal end limiting mechanism according to the present invention;
in the figure: the steel template, the scissor jack, the screw rod 21, the slide block 22, the articulated arm 23, the articulated joint 24, the hanging ring 25, the wallboard connecting assembly 3, the mounting screw rod 31, the fixed square tube 32, the fastening nut 33, the through hole 34, the steel tube 35, the shear wall plate 4, the square connecting tube 5, the manual rotating rod 6, the hanging ring 7, the wood plate 8, the perforation 9, the limiting rod 10, the U-shaped plate 11 and the mounting screw hole 12.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4 in the specification, the reinforcing device for preventing deformation of the expansion joint of the concrete shear wall, being easy to remove and avoiding locking legs is arranged in the expansion joint and fixedly connected with the shear wall plates 4 on the two sides.
Reinforcing apparatus includes two steel form 1, a plurality of scissor jack 2 and a plurality of wallboard coupling assembling 3, and two steel form 1 laminate respectively with the shear force wallboard 4 of both sides and as an organic whole through a plurality of wallboard coupling assembling 3 fixed mounting, and a plurality of scissor jack 2 set up between two steel form 1, and every scissor jack 2 both sides all through connecting square pipe 5 and the steel form 1 fixed connection of both sides, scissor jack 2 top swing joint has manual bull stick 6, tightens up and opens the action through manual bull stick 6 drive scissor jack 2.
Further, rings 7 are welded on two sides of the top end of the steel formwork 1.
Furthermore, the number of the scissor jacks 2 is three, and the three scissor jacks 2 are distributed in the expansion joint in a triangular shape.
The implementation scenario is specifically as follows: when the invention is used, the two steel templates 1 are fixedly connected with three reformed scissor jacks 2 through the square connecting pipe 5, the steel templates 1 and the shear wall plates 4 on two sides are fixedly installed into a whole through the wall plate connecting assembly 3, the three finished scissor jacks 2 are firstly in an original tightening state by adopting the manual rotating rod 6 before the templates are hoisted, after the shear wall templates on one side are reinforced, the three scissor jacks 2 are simultaneously rotated by adopting the manual rotating rod 6 until the rotating shaft of the scissor jack 2 is tightly propped against the tail end limiting device, then the shear wall plates 4 on the other side are continuously reinforced, after all processes of construction, acceptance and tower crane pouring are finished, the large templates are hoisted through the hoisting rings 7, and the three scissor jacks 2 are simultaneously loosened for hoisting and upper part construction, the construction is convenient when the whole reinforcing device is reinforced, and the templates are conveniently dismantled after construction, the reinforcing method for the expansion joint of the concrete shear wall can effectively solve the problems that the expansion joint with the width of less than or equal to 250mm is inconvenient to construct at the same time, and the expansion die of the template is difficult to remove and lock the foot after construction.
Referring to the attached drawings 1-2 of the specification, the wallboard connecting assembly 3 comprises a plurality of mounting screws 31, a fixed square tube 32, a fastening nut 33 and a steel tube 35, a row of through holes 34 are uniformly formed in the steel tube 35 and the fixed square tube 32, and the mounting screws 31 penetrate through the through holes 34 and are in threaded connection with the fastening nut 33 at two ends.
Further, one side that steel form 1 was kept away from to shear force wallboard 4 is equipped with plank 8, a plurality of from the top down evenly distributed's steel pipe 35 and fixed square pipe 32 are installed respectively on plank 8 surface and steel form 1 surface, perforation 9 has all been seted up to the position that corresponds through-hole 34 on plank 8, shear force wallboard 4 and the steel form 1, installation screw 31 runs through-hole 34 and perforates 9 and just manages 32 and steel pipe 35 welded connection with fixed square through fastening nut 33.
The implementation scenario is specifically as follows: according to the invention, the wood plate 8, the shear wall plate 4, the steel template 1 and the fixed square tube 32 are positioned by the mounting screw 31, so that the rapid positioning, mounting and welding are facilitated, and in addition, the fixed square tube 32 is used as a middle welding structure, so that the connection surface between the steel template 1 and the shear wall plate 4 is larger, the connection position is more stable, and the single-side wall body is reinforced.
Referring to the accompanying drawings 3-5 of the specification, the scissor jack 2 comprises a screw 21, a sliding block 22 and articulated arms 23, the sliding block 22 is provided with two sliding arms 22 which are installed at two ends of the screw 21 in a threaded manner, the articulated arms 23 are provided with four sliding arms and two sliding arms, the two articulated arms 23 are symmetrically arranged relative to the screw 21, each articulated arm 23 is arranged in a V shape in a staggered manner, one end of each articulated arm 23 is hinged with the square connecting pipe 5 through a hinge joint 24, and the other end of each articulated arm 23 is hinged with the sliding block 22 through the hinge joint 24.
Further, the top end of the screw rod 21 is fixedly connected with a hanging ring 25, and the hanging ring 25 is movably clamped with the manual rotating rod 6.
Further, 2 bottoms of scissor jack are equipped with terminal stop gear, terminal stop gear includes U template 11 and gag lever post 10, U template 11 sets up in the screw rod 21 bottom, 11 tops of U template extend to the both sides of screw rod 21 and with nearest articulated joint 24 fixed connection, installation screw 12 has been seted up on 11 both sides walls of U template, gag lever post 10 run through installation screw 12 and with 12 threaded connection of installation screw, gag lever post 10 sets up in the screw rod 21 bottom.
The implementation scenario is specifically as follows: the invention adopts the scissor jack 2 and cooperates with the manual rotating rod 6 to adjust the width of the gap between two steel templates 1, which is convenient for construction, and the bottom of the scissor jack 2 is provided with a tail end limiting mechanism, when the screw 21 rotates forwards and backwards, the four articulated arms 23 are driven to stretch and contract up and down relatively, the articulated joint 24 at the cross joint of the two articulated arms 23 at the bottom drives the U-shaped plate 11 to move up and down, the limiting rod 10 at the inner side of the U-shaped plate 11 corresponds to the screw 21 and is continuously far away from and close to the screw 21 in the process of moving up and down, therefore, when the scissor jack 2 contracts in the up and down direction, the U-shaped plate 11 drives the limiting rod 10 to move up, the limiting rod 10 contacts the screw 21 and limits the corresponding articulated joint 24 to move up, thereby the whole scissor jack 2 can be limited to continue to contract in the up and down direction, the manual rotating rod 6 can, the spacing between the two steel forms 1 is stretched to a maximum.
Referring to the attached fig. 5 of the specification, the number of the installation screw holes 12 is multiple, and the installation screw holes 12 are uniformly distributed on two side walls of the U-shaped plate 11 in a straight line shape from top to bottom.
The implementation scenario is specifically as follows: according to the invention, the height of the limiting rod 10 can be adjusted by arranging the plurality of mounting screw holes 12, namely, the distance between the limiting rod 10 and the screw 21 is adjusted, so that the maximum distance between the two steel templates 1 can be adjusted, the mounting screw can be arranged according to construction requirements, and the use is convenient.
The invention also provides a reinforcing method of the reinforcing device for preventing the expansion joint of the concrete shear wall from deforming, being easy to remove and avoiding locking feet, which comprises the following steps:
s1, purchasing and processing steel templates 1 on two sides according to the width of the expansion joint shear wall, wherein the size of the steel templates 1 is 3660 layers of iron plates with the height of +100mm 4mm, arranging the intervals of the screws 21 and the through holes 9 according to a special construction scheme of template engineering, horizontally arranging a 40 60 x 2 fixed square pipe 32 and a steel pipe 35 in the through holes 9, and impacting the through holes 34 with the same size at the same position;
s2, after the fixed square tube 32 is punched, welding a nut which is required to be fastened and matched with the screw 21 at the position of the through hole 34, and overlapping and fully welding the through holes 34 of the fixed square tube 32 and the steel tube 35 with the horizontal through hole 9 on the steel template 1;
s3, refitting the scissor jack 2, welding two 40 x 60 x 2 connecting square pipes 5 with the length of about 150mm on the upper part and the lower part of the jack, arranging a tail end limiting mechanism with the size of a seam width at the tail end of a screw rod 21 of the jack, and welding the refitted jack with the steel templates 1 on the two sides at a proper position;
s4, welding two A20 hoisting rings 7 on two sides of the upper opening of the steel formwork 1 on two sides respectively for hoisting the finished steel formwork 1;
s5, when the steel formworks 1 are hoisted, the jacks belong to an initial tightening state, the steel formworks 1 on one side are installed firstly after hoisting, after the steel formworks 1 on one side are basically reinforced, the three jacks are simultaneously rotated by adopting the manual rotating rods 6, so that the jacks are adjusted to the limiting positions of the tail end limiting mechanisms, and then the steel formworks 1 on the other side are reinforced;
s6, checking and accepting, and pouring concrete;
s7, after reaching a certain strength, the large mould is hoisted by a tower crane or other vertical transport means, after the initial loose state is kept, the manual rotating rod 6 is simultaneously rotated to send three jacks, the corresponding fastening screw rods 21 are removed, and the large mould is hoisted to the upper floor.
The reinforcing method for the expansion joint of the concrete shear wall can effectively solve the problems that the expansion joint with the width of less than or equal to 250mm is inconvenient to construct at the same time, and the expansion die of the template is difficult to remove and lock the foot after construction.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (11)
1. The reinforcing apparatus that the expansion joint of the shear wall of coagulation preapres for an unfavorable turn of events shape, easily demolish, exempt from the lock foot, its characterized in that: the reinforcing device is arranged in the expansion joint and is fixedly connected with the shear wall plates (4) at the two sides.
2. The reinforcing apparatus includes two steel form (1), a plurality of formula jack (2) of cutting and a plurality of wallboard coupling assembling (3), two steel form (1) laminate with shear force wallboard (4) of both sides respectively and as an organic whole through a plurality of wallboard coupling assembling (3) fixed mounting, a plurality of formula jack (2) of cutting set up between two steel form (1), and every formula jack (2) of cutting all through connecting square pipe (5) and steel form (1) fixed connection of both sides, formula jack (2) top swing joint has manual bull stick (6), cuts up and opens the action through manual bull stick (6) drive formula jack (2) of cutting.
3. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 1, is characterized in that: rings (7) are welded on two sides of the top end of the steel formwork (1).
4. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 1, is characterized in that: wallboard coupling assembling (3) include a plurality of installation screw rods (31), fixed side pipe (32), fastening nut (33) and steel pipe (35), evenly seted up one row of through-hole (34) on steel pipe (35) and fixed side pipe (32), installation screw rod (31) run through-hole (34) and both ends and fastening nut (33) threaded connection.
5. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 3, is characterized in that: one side that steel form (1) was kept away from in shear force wallboard (4) is equipped with plank (8), plank (8) surface and steel form (1) surface are installed a plurality of from the top down evenly distributed's steel pipe (35) and fixed square pipe (32) respectively, perforation (9) have all been seted up to the position that corresponds through-hole (34) on plank (8), shear force wallboard (4) and steel form (1), installation screw rod (31) run through-hole (34) and perforation (9) and through fastening nut (33) and fixed square pipe (32) and steel pipe (35) welded connection.
6. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 1, is characterized in that: the number of the scissor jacks (2) is three, and the three scissor jacks (2) are distributed in the expansion joint in a triangular shape.
7. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 1, is characterized in that: scissor jack (2) include screw rod (21), slider (22) and articulated arm (23), slider (22) set up to two and the both ends of screw thread installation in screw rod (21), articulated arm (23) set up to four and two and are a set of, and two sets of articulated arm (23) set up about screw rod (21) symmetry, and every articulated arm (23) of group is the crisscross setting of V type, and every articulated arm (23) one end is connected through articulated joint (24) articulated and the other end is connected through articulated joint (24) articulated with slider (22) with connecting square pipe (5).
8. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 6, is characterized in that: the top end of the screw rod (21) is fixedly connected with a hanging ring (25), and the hanging ring (25) is movably clamped with the manual rotating rod (6).
9. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 1, is characterized in that: shear jack (2) bottom is equipped with terminal stop gear, terminal stop gear includes U template (11) and gag lever post (10), U template (11) set up in screw rod (21) bottom, U template (11) top extend to the both sides of screw rod (21) and with nearest hinge joint (24) fixed connection, installation screw (12) have been seted up on U template (11) both sides wall, gag lever post (10) run through installation screw (12) and with installation screw (12) threaded connection, gag lever post (10) set up in screw rod (21) bottom.
10. The reinforcing device for preventing deformation of an expansion joint of a concrete shear wall, which is easy to remove and free of locking legs, according to claim 8, is characterized in that: the installation screw holes (12) are arranged to be a plurality of, and a plurality of installation screw holes (12) are a style of calligraphy evenly distributed in U-shaped plate (11) both sides wall from top to bottom.
11. A reinforcing method using the reinforcing device for preventing deformation, easy removal and locking of expansion joints of the concrete shear wall as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
s1, purchasing and processing steel templates (1) on two sides according to the width of the expansion joint shear wall, arranging the intervals of the screw rods (21) and the through holes (9) according to a special construction scheme of template engineering, horizontally arranging a fixed square pipe (32) and a steel pipe (35) in the through holes (9), and impacting through holes (34) with the same size at the same position;
s2, after the fixed square tube (32) is punched, welding a screw cap required to be fastened on the matched screw (21) at the position of the through hole (34), and overlapping and fully welding the through holes (34) of the fixed square tube (32) and the steel tube (35) with the horizontal through hole (9) on the steel template (1);
s3, modifying the scissor jack (2), welding two connecting square pipes (5) at the upper part and the lower part of the scissor jack, arranging a tail end limiting mechanism with a seam width at the tail end of a screw rod (21), and welding the modified scissor jack and the steel templates (1) at the two sides at a proper position;
s4, welding two lifting rings (7) on two sides of the upper opening of the steel formworks (1) on two sides respectively for lifting the finished steel formworks (1);
s5, when the steel formworks (1) are hoisted, the jacks belong to an initial tightening state, the steel formworks (1) on one side are installed firstly after hoisting, after the steel formworks (1) on one side are basically reinforced, the three jacks are simultaneously rotated by adopting a manual rotating rod (6), so that the jacks are adjusted to the limiting positions of a tail end limiting mechanism, and then the steel formworks (1) on the other side are reinforced;
s6, checking and accepting, and pouring concrete;
s7, after reaching a certain strength, the large mould is hoisted by a tower crane or other vertical transport means, after the initial loose state is kept, the manual rotating rod (6) is rotated simultaneously to send three jacks, the corresponding fastening screw rods (21) are removed, and the large mould is hoisted to the upper floor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010270706.5A CN111424963A (en) | 2020-04-08 | 2020-04-08 | Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010270706.5A CN111424963A (en) | 2020-04-08 | 2020-04-08 | Reinforcing method for preventing deformation and easy disassembly of expansion joint of concrete shear wall and avoiding locking leg |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111677270A (en) * | 2020-06-24 | 2020-09-18 | 中冶建工集团有限公司 | Construction method for shear walls on two sides of narrow space |
| CN111851285A (en) * | 2020-08-27 | 2020-10-30 | 贵州省遵义公路管理局 | Public road bridge roof beam telescoping device seals protective structure |
| CN113338163A (en) * | 2021-04-30 | 2021-09-03 | 广西北投交通养护科技集团有限公司 | Opposite-pulling combined device for bridge tower inclined support and construction method |
| CN113356058A (en) * | 2021-04-30 | 2021-09-07 | 广西大学 | Bracing device and mounting structure for bridge tower column construction |
| CN113982259A (en) * | 2021-12-03 | 2022-01-28 | 中国建筑第五工程局有限公司 | Expansion joint steel formwork capable of being constructed in same layer and construction method thereof |
| CN114215346A (en) * | 2020-12-26 | 2022-03-22 | 陕西建工第一建设集团有限公司 | Construction process of expansion joint large formwork expansion device |
| CN114277979A (en) * | 2022-02-11 | 2022-04-05 | 中国十七冶集团有限公司 | Construction device for settlement joint double-shear wall and construction method for double-shear wall |
| CN115897998A (en) * | 2022-11-29 | 2023-04-04 | 中国十七冶集团有限公司 | Shear wall expansion joint combined formwork structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677270A (en) * | 2020-06-24 | 2020-09-18 | 中冶建工集团有限公司 | Construction method for shear walls on two sides of narrow space |
| CN111677270B (en) * | 2020-06-24 | 2021-12-14 | 中冶建工集团有限公司 | Construction method for shear walls on two sides of narrow space |
| CN111851285A (en) * | 2020-08-27 | 2020-10-30 | 贵州省遵义公路管理局 | Public road bridge roof beam telescoping device seals protective structure |
| CN114215346A (en) * | 2020-12-26 | 2022-03-22 | 陕西建工第一建设集团有限公司 | Construction process of expansion joint large formwork expansion device |
| CN113338163A (en) * | 2021-04-30 | 2021-09-03 | 广西北投交通养护科技集团有限公司 | Opposite-pulling combined device for bridge tower inclined support and construction method |
| CN113356058A (en) * | 2021-04-30 | 2021-09-07 | 广西大学 | Bracing device and mounting structure for bridge tower column construction |
| CN113338163B (en) * | 2021-04-30 | 2021-12-14 | 广西北投交通养护科技集团有限公司 | Opposite-pulling combined device for bridge tower inclined support and construction method |
| CN113982259A (en) * | 2021-12-03 | 2022-01-28 | 中国建筑第五工程局有限公司 | Expansion joint steel formwork capable of being constructed in same layer and construction method thereof |
| CN113982259B (en) * | 2021-12-03 | 2024-05-10 | 中国建筑第五工程局有限公司 | Expansion joint template capable of being constructed in same layer and construction method thereof |
| CN114277979A (en) * | 2022-02-11 | 2022-04-05 | 中国十七冶集团有限公司 | Construction device for settlement joint double-shear wall and construction method for double-shear wall |
| CN114277979B (en) * | 2022-02-11 | 2024-03-08 | 中国十七冶集团有限公司 | Construction device for double shear wall with settlement joint and construction method for double shear wall |
| CN115897998A (en) * | 2022-11-29 | 2023-04-04 | 中国十七冶集团有限公司 | Shear wall expansion joint combined formwork structure and construction method thereof |
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Application publication date: 20200717 |