Construction method for installing shear wall formwork in wall deformation joint

Abstract

The invention relates to a construction method for installing a shear wall formwork in a wall deformation joint. The construction method comprises the steps that formwork components to be assembled are spliced into two sets of integrated plates according to point positions; the two sets of integrated plates are hoisted and placed in preset positions in the deformation joint correspondingly; one end of a first variable-diameter screw rod extends into the wall body from the two sides of the wall body to be connected with the close integrated board, and the connected integrated board is limited; and two sets of second variable-diameter screws are arranged to horizontally penetrate through the two sides of the two sets of integrated plates to be connected, and an internal diagonal bracing structure is formed. According to the construction method for installing the shear wall formwork in the wall deformation joint, the formwork is assembled in advance and overall hoisting is achieved, the working efficiency can be improved, reliable connection between the formwork and the wall at the deformation joint is achieved through the arrangement of the first variable-diameter screw rod, a diagonal bracing structure is formed in the formwork through the arranged second variable-diameter screw rod, and the construction method is simple, convenient and fast; the formwork can be quickly and easily assembled and disassembled, the construction quality can be guaranteed, and the construction speed can be increased.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a construction method for installing a shear wall formwork in a wall deformation joint. Background Art

[0002] During the construction of building projects, the installation and removal of formwork are difficult due to the narrow space between the expansion joints of the building units. In addition, the formwork system has many components, and it is time-consuming and labor-intensive to assemble the formwork at the expansion joints. It is also impossible to enter the formwork normally, and there is also the problem of difficulty in reinforcing the formwork. Even if the formwork can be placed in the expansion joint, the flatness and verticality of the formwork cannot be effectively adjusted, and it is difficult to build in reinforcements, so the molding quality cannot be guaranteed, which easily leads to delays in the construction period.

[0003] Due to the difficulty in installation and reinforcement, the deformation joints have always been constructed by two-step formwork casting. However, staggered formwork casting of the east and west units not only delays the construction schedule, but also makes it difficult to ensure quality and economic benefits. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a construction method for installing a shear wall formwork in a wall deformation joint, so as to solve the problems that it is difficult to install and remove the formwork at the existing deformation joint and it is difficult to reinforce the formwork.

[0005] The technical solution to achieve the above-mentioned purpose is: a construction method for installing a shear wall formwork in a wall deformation joint, comprising: assembling the formwork components to be assembled into two groups of integrated panels according to points; hoisting the two groups of integrated panels into preset positions in the deformation joint respectively; extending one end of a first reducing screw rod from both sides of the wall into the wall to connect with the adjacent integrated panels, and limiting the connected integrated panels; arranging two groups of second reducing screw rods to horizontally penetrate and connect from both sides of the two groups of integrated panels respectively to form an internal bracing structure.

[0006] In a construction method for installing a shear wall formwork in a wall deformation joint of the present invention, the work efficiency can be improved by pre-assembling the formwork and realizing overall hoisting. A first reducing screw is arranged to realize a reliable connection between the formwork and the wall at the deformation joint. A second reducing screw is arranged to form a supporting structure inside the formwork. The method is simple and convenient, and can realize quick and easy installation and disassembly of the formwork, thereby ensuring construction quality and improving construction speed.

[0007] A further improvement of the construction method of installing a shear wall formwork in a wall deformation joint of the present invention is that before assembling the formwork components to be assembled into two groups of integrated panels according to points, it includes: using a hole opener to open holes on the inner panel and the outer panel of the integrated panel respectively.

[0008] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that the step of assembling the formwork components to be assembled into two groups of integrated panels according to points also includes: arranging back rib groups horizontally and at intervals on inner panels of the two groups of integrated panels that are relatively arranged; and fixing the back rib groups to the inner panels with double L-shaped pull rods.

[0009] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that assembling the formwork components to be assembled into two groups of integrated panels according to points also includes: welding the nuts and the back rib group into one through gaskets.

[0010] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that the two groups of integrated panels are hoisted and placed in preset positions in the deformation joint respectively, including: the two groups of integrated panels are arranged opposite to each other, and the lower ends of the two groups of integrated panels are respectively attached to the side walls of the wall on both sides of the deformation joint.

[0011] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that one end of the first reducing screw is extended into the wall from both sides of the wall to connect with the adjacent integrated plate, and the connected integrated plate is limited including: a horizontal through hole is opened on the wall corresponding to the place where the first reducing screw is penetrated.

[0012] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that the two groups of second variable-diameter screws are horizontally penetrated and connected from both sides of the two groups of integrated plates to form an internal bracing structure, including: the two groups of second variable-diameter screws are staggered up and down.

[0013] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that the two groups of second variable diameter screws are horizontally penetrated and connected from both sides of the two groups of integrated panels to form an internal bracing structure, which also includes: through the extension sections of the second variable diameter screws, the ends of the two groups of staggered extension sections of the second variable diameter screws are respectively pressed against the inner panels of the integrated panels on the opposite sides.

[0014] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that it also includes: arranging an external support structure on the outer sides of the two groups of integrated panels.

[0015] A further improvement of the construction method for installing a shear wall formwork in a wall deformation joint of the present invention is that the external support structure is set on the outside of the two groups of integrated panels, including: a vertical rod is set on the top of the wall outside the integrated panel; a first horizontal support rod is set on the outside of the bottom of the integrated panel, and the outer end of the first support rod is connected to the vertical rod; a second oblique support rod is set on the outside of the upper end of the integrated panel, and the lower end of the second support rod is connected to the vertical rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic flow chart of a construction method for installing a shear wall formwork in a wall deformation joint.

[0017] Figure 2 It is a longitudinal sectional view of the shear wall formwork installed in the wall deformation joint of the present invention.

[0018] Figure 3 It is a schematic diagram of the process before step S110 of the present invention.

[0019] Figure 4 It is a schematic diagram of the flow of step S110 of the present invention.

[0020] Figure 5 It is a transverse cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention.

[0021] Figure 6 FIG. 4 is another flowchart diagram of step S110 of the present invention.

[0022] Figure 7 It is a connection schematic diagram of the second variable diameter screw of the present invention.

[0023] Figure 8 It is a schematic diagram of the flow of step S120 of the present invention.

[0024] Fig. 9 It is a flowchart diagram of step S130 of the present invention.

[0025] Fig.10 It is a flowchart diagram of step S140 of the present invention.

[0026] Fig.11 FIG. 4 is another flowchart diagram of step S140 of the present invention.

[0027] Fig.12 The present invention is another schematic flow chart of a construction method for installing a shear wall formwork in a wall deformation joint.

[0028] Fig.13 It is a schematic diagram of the flow of step S150 of the present invention.

[0029] In the figure: 10, integrated board; 101, inner panel; 102, outer panel; 11, first reducing screw; 12, second reducing screw; 121, extension section; 13, back rib group; 131, steel back rib; 132, square tube back rib; 14, double L-shaped pull rod; 15, external supporting structure; 151, vertical rod; 152, first support rod; 153, second support rod; 154, connecting plate; 16, nut; 17, gasket; 20, wall; 21, expansion joint. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] See also Figure 1 and Figure 2 , Figure 1 A schematic diagram showing a process flow of a construction method for installing a shear wall formwork in a wall deformation joint according to the present invention is shown. Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. The present invention provides a construction method for installing the shear wall formwork in the wall deformation joint, comprising:

[0032] Execute step S110: assemble the formwork components to be assembled into two groups of integrated panels 10 according to points.

[0033] Among them, the formwork components include multiple groups of flat panels, C-grooves, angle aluminums, etc., and accessories include pins, pin pieces, etc. First, two groups of integrated panels 10 with the same structure are formed according to normal assembly steps, and there is an extension plate on one side of the bottom end of the integrated panel 10, which can be extended into the deformation joint 21 and connected to the wall 20. Then, step S120 is executed.

[0034] Execute step S120: hoist the two groups of integrated panels 10 into the preset positions in the deformation joint 21 respectively.

[0035] Among them, the two groups of integrated panels 10 need to be hoisted in sequence. One integrated panel 10 can be hoisted to the side of the tied steel bars by a tower crane first, and then the position and verticality of the integrated panel 10 are manually adjusted. The bottom of the placed integrated panel 10 reaches the preset position, and the top of the integrated panel 10 is fixed with an angle iron, and the middle and the wall 20 are fixed with ordinary screws. A net space of 140 mm needs to be guaranteed to create conditions for the hoisting of another integrated panel 10. Then, execute step S130.

[0036] Execute step S130: extend one end of the first reducing screw 11 from both sides of the wall 20 into the wall 20 to connect with the adjacent integrated board 10 , and limit the connected integrated board 10 .

[0037] Among them, the first reducing screw 11 replaces the ordinary screw connecting the integrated board 10 and the wall 20 to strengthen the connection. The first reducing screw 11 is passed through the wall 20 at a preset point from the side where people can stand by the construction workers, and is screwed and fixed with the nut 16 pre-welded on the integrated board 10. Then, step S140 is executed.

[0038] Execute step S140: two groups of second variable diameter screws 12 are arranged to horizontally penetrate and connect the two groups of integrated plates 10 from both sides, respectively, to form an internal supporting structure.

[0039] Among them, the second reducing screw 12 is in contact with the nut 16 and is subjected to force. The front end of the second reducing screw 12 has a supporting effect. The second reducing screw 12 replaces the previous ordinary screw. The second reducing screw 12 extends into the end head and is screwed with the nut 16 pre-welded and anchored on the integrated board 10. The end head of the inserted end of the second reducing screw 12 can be extended out of the outside of the nut 16 and against the inner panel 101 of the opposite integrated board 10 to form a reliable internal support. The rear end has a pulling effect, that is, the inner and outer panels 102 on both sides of the same shear wall are subjected to pulling force.

[0040] In this embodiment, the components of the shear wall formwork provided by the present invention can be used cyclically. After the construction is completed, the first reducing screw 11 and the second reducing screw 12 can be screwed out according to the screw-in method, which is convenient for disassembly and avoids affecting the construction operation due to the small width of the deformation joint 21.

[0041] See also Figure 3 , shows a flow chart before step S110 of the present invention. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, before step S110, comprising:

[0042] Execute step S1101: use a hole opener to open holes on the inner panel 101 and the outer panel 102 of the integrated board 10 respectively.

[0043] Among them, the symmetrical holes on the inner panel 101 and the outer panel 102 are for the second reducing screw 12 to pass through. The inner diameter of the hole is set to be 2 mm larger than the diameter of the second reducing screw 12 to facilitate the passage of the second reducing screw 12. The hole at the lower end of the inner panel 101 where it is attached to the wall 20 is for the first reducing screw 11 to pass through.

[0044] See also Figure 2 , Figure 4 and Figure 5 , Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. Figure 4 The schematic diagram of the process of step S110 of the present invention is shown. Figure 5The transverse cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. The present invention provides a construction method for installing the shear wall formwork in the wall deformation joint, step S110 includes:

[0045] Execute step S111: arrange back rib groups 13 horizontally and at intervals on the inner panels 101 of the two groups of integrated panels 10 that are arranged opposite to each other.

[0046] Among them, the back ribs are made of steel bars, which are easy to select and obtain, small in size, easy to position, and occupy a small space in the deformation joint 21. The upper and lower spacings between the back rib groups 13 are set to be consistent, the back ribs are stable and reliable, and occupy a small space.

[0047] In this embodiment, steel back ribs 131 are arranged on the inner panels 101 of the two groups of integrated panels 10, and square tube back ribs 132 are correspondingly arranged on the outer panels 102 on the opposite sides of the steel back ribs 131. The square tube back ribs 132 of the outer panels 102 can be arranged to be cross-connected vertically and horizontally to form a mesh support. Then, step S112 is executed.

[0048] Execute step S112: fix the back rib group 13 to the inner panel 101 using the double L-shaped tie rods 14 .

[0049] The double L-shaped tie rod 14 is formed by welding two L-shaped screws as a group. The double L-shaped tie rod 14 is arranged at an angle of 90° to mark the verticality so as to ensure the accurate fixing position of the steel bar back rib 131.

[0050] In this embodiment, adjacent steel bar back ribs 131 are vertically arranged in parallel, and adjacent double L-shaped tie rods 14 on each steel bar back rib 131 are arranged at equal intervals.

[0051] See also Figure 6 and Figure 7 , Figure 6 Another schematic diagram of the process of step S110 of the present invention is shown. Figure 7 The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, wherein step S110 further includes:

[0052] Execute step S113: weld the nut 16 and the back rib group 13 into one piece through the gasket 17.

[0053] Among them, the nut 16 of the second reducing screw 12 is matched with the hole on the inner panel 101 of the integrated board 10, and the nut 16 of the second reducing screw 12 is placed between the upper and lower steel back ribs 131 in the back rib group 13, and the gasket 17 is attached to the outer wall of the steel back rib 131 and the nut 16 and welded to connect, and the nut 16 is embedded in the gap between the steel back ribs 131, does not take up space, and reduces space waste.

[0054] See also Figure 2 and Figure 8 , Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. Figure 8 The flowchart of step S120 of the present invention is shown. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, and step S120 includes:

[0055] Execute step S121: arrange two groups of integrated panels 10 opposite to each other, and attach the lower ends of the two groups of integrated panels 10 to the side walls of the wall 20 on both sides of the deformation joint 21 respectively.

[0056] The two groups of integrated panels 10 are respectively arranged along the edges of the walls 20 on both sides of the deformation joint 21 , and the integrated panels 10 are clamped on the top wall 20 of the deformation joint 21 .

[0057] See also Fig. 9 , showing a flow chart of step S130 of the present invention. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, step S130 comprising:

[0058] Execute step S131: a horizontal through hole is formed on the wall 20 at a location where the first reducing screw 11 is passed through.

[0059] Among them, the horizontal through hole corresponds to the hole opened at the lower end of the inner panel 101 for the first reducing screw 11 to pass through, and is also for the first reducing screw 11 to pass through. The horizontal through holes of the two side walls 20 are arranged on the same horizontal plane and are symmetrically arranged on both sides of the deformation joint 21.

[0060] In this embodiment, a horizontal square tube back rib 132 is first arranged at the location where the first reducing screw 11 is provided on the wall 20 , so as to facilitate the positioning and fixing of the first reducing screw 11 on the wall 20 .

[0061] See also Figure 2 and Fig.10 , Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. Fig.10 The flowchart of step S140 of the present invention is shown. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, and step S140 includes:

[0062] Execute step S141: dispose two sets of second variable diameter screws 12 in an up-down staggered manner.

[0063] Among them, because the width of the deformation joint 21 is relatively narrow, in order to avoid the collision of the second reducing screws 12 on both sides, a method of staggered reserved holes is adopted to improve space utilization.

[0064] See also Figure 2 and Fig.11 , Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. Fig.11 Another flow chart of step S140 of the present invention is shown. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, and step S140 further includes:

[0065] Execute step S142: through the extension section 121 of the second reducing screw 12, the ends of the two groups of staggered extension sections 121 of the second reducing screw 12 are respectively pressed against the inner panel 101 of the integrated board 10 on the opposite side.

[0066] The extension section 121 of the second variable diameter screw 12 is a steel bar with the same diameter welded to one end of the ordinary screw. The length of the steel bar of the extension section 121 is set according to the width of the deformation joint 21, and no specific limitation is made here.

[0067] In this embodiment, the diameter of the extension section 121 of the second variable diameter screw 12 is smaller than the inner diameter of the nut 16, in order to ensure that the extension section 121 can quickly pass through the nut 16 without affecting the installation and removal efficiency of the screw. The front end of the extension section 121 is a smooth round screw without threads and is responsible for resisting the inner panel 101 of the other integrated board 10, so that the integrated boards 10 on both sides of the deformation joint 21 are mutually stressed and form a stable force transmission system.

[0068] See also Fig.12 , showing another schematic flow diagram of a construction method for installing a shear wall formwork in a wall deformation joint of the present invention. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, further comprising:

[0069] Execute step S150 : arrange external support structures 15 outside the two groups of integrated boards 10 .

[0070] Among them, the external support structure 15 includes a connecting plate 154 arranged on the top of the two groups of integrated boards 10, and an external supporting structure arranged on both sides of the two groups of integrated boards 10. The connecting plate 154 connects the two sides of the bottom of the connecting plate 154 to the top of the two groups of integrated boards 10 respectively, further realizing a stable connection between the two groups of integrated boards 10.

[0071] See also Figure 2 and Fig.13 , Figure 2 The longitudinal cross-sectional view of the shear wall formwork installed in the wall deformation joint of the present invention is shown. Fig.13 The flowchart of step S150 of the present invention is shown. The present invention provides a construction method for installing a shear wall formwork in a wall deformation joint, and step S150 includes:

[0072] Execute step S151 : set a vertical rod 151 on the top of the wall 20 outside the integrated board 10 .

[0073] Among them, the bottom of the vertical rod 151 can be buried in the wall 20, or an embedded part can be set in the wall 20 and connected to the vertical rod 151 through the embedded part. It can be selected according to actual construction needs. The height of the vertical rod 151 and the distance between the vertical rod 151 and the outer panel 102 of the integrated board 10 need to be set according to actual needs. No specific restrictions are made here. Then, execute step S152.

[0074] Execute step S152 : arrange a first horizontal support rod 152 on the outer side of the bottom of the integrated board 10 , and connect the outer end of the first support rod 152 to the vertical rod 151 .

[0075] Among them, one end of the first support rod 152 is connected to the longitudinal square tube back rib 132 set on the outer panel 102, and the first support rod 152 is set in a horizontal state to provide horizontal support force for the square tube back rib 132 and the outer panel 102. Then, step S153 is executed.

[0076] Execute step S153 : arrange an oblique second support rod 153 on the outer side of the upper end of the integrated board 10 , and connect the lower end of the second support rod 153 to the vertical rod 151 .

[0077] The second support rod 153 provides oblique support, and both ends of the second support rod 153 are respectively connected to the longitudinal square tube back rib 132 and the vertical rod 151 provided on the outer panel 102 . The second support rod 153 provides horizontal and vertical support forces for the square tube back rib 132 and the outer panel 102 .

[0078] The present invention is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various changes to the present invention according to the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be the scope defined by the attached claims.

Claims

1. A construction method for installing a shear wall formwork in a wall deformation joint, characterized in that: include: Assemble the formwork components to be assembled into two sets of integrated panels according to the points; The two groups of integrated panels are hoisted and placed into the preset positions in the deformation joints respectively; Extend one end of the first diameter-reducing screw rod from both sides of the wall into the wall to connect with the adjacent integrated board, and limit the connected integrated board; Two groups of second variable diameter screws are arranged to horizontally penetrate and connect the two groups of integrated plates from both sides thereof to form an internal supporting structure.

2. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: The method of assembling the template components to be assembled into two groups of integrated panels according to the points includes: Use a hole opener to open holes on the inner panel and the outer panel of the integrated board respectively.

3. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: The step of assembling the template components to be assembled into two groups of integrated panels according to points also includes: Back rib groups are arranged horizontally and spaced apart on the inner panels of the two groups of integrated boards which are arranged opposite to each other; The back rib group is fixed to the inner panel by using double L-shaped tie rods.

4. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 3, characterized in that: The step of assembling the template components to be assembled into two groups of integrated panels according to points also includes: The nut and the back rib group are welded into one piece through a gasket.

5. The construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: Said hoisting and placing the two groups of integrated panels into the preset positions in the deformation joints respectively comprises: The two groups of integrated panels are arranged opposite to each other, and the lower ends of the two groups of integrated panels are respectively attached to the side walls of the wall on both sides of the deformation joint.

6. The construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: The step of extending one end of the first diameter-reducing screw rod from both sides of the wall into the wall to connect with the adjacent integrated board, and limiting the connected integrated board comprises: A horizontal through hole is provided on the wall at a location where the first reducing screw rod is passed through.

7. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: The two sets of second variable diameter screws are respectively arranged to horizontally penetrate and connect from both sides of the two sets of integrated plates to form an internal supporting structure, which includes: The two groups of the second reducing screws are arranged in an up-and-down staggered manner.

8. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 7, characterized in that: The two sets of second variable diameter screws are respectively arranged to horizontally penetrate and connect from both sides of the two sets of integrated plates to form an internal supporting structure, and further include: Through the extension section of the second variable-diameter screw, the ends of the two groups of staggered extension sections of the second variable-diameter screw are respectively pressed against the inner panels of the integrated board on the opposite side.

9. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 1, characterized in that: Also includes: An external supporting structure is arranged outside the two groups of integrated boards.

10. A construction method for installing a shear wall formwork in a wall deformation joint according to claim 9, characterized in that: The external support structure is arranged outside the two groups of integrated boards, including: A vertical rod is arranged on the top of the wall outside the integrated panel; A first horizontal support rod is arranged on the outer side of the bottom of the integrated board, and the outer end of the first support rod is connected to the vertical rod; An oblique second support rod is arranged outside the upper end of the integrated board, and the lower end of the second support rod is connected to the vertical rod.

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