CN211817177U - Vertical connection formwork system of prefabricated assembly type shear wall - Google Patents
Vertical connection formwork system of prefabricated assembly type shear wall Download PDFInfo
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- CN211817177U CN211817177U CN201921789217.XU CN201921789217U CN211817177U CN 211817177 U CN211817177 U CN 211817177U CN 201921789217 U CN201921789217 U CN 201921789217U CN 211817177 U CN211817177 U CN 211817177U
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- threaded sleeve
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Abstract
The utility model relates to a vertical connection formwork system of prefabricated assembled shear force wall, including a plurality of slip casting screw thread sleeve supports and template. The grouting threaded sleeve supports are poured in the supporting sections at the bottom of the shear wall, each grouting threaded sleeve support is composed of two grouting threaded sleeves, sealing rings are arranged at two ends of each grouting threaded sleeve, the upper ends and the lower ends of the grouting threaded sleeves are connected into a whole through connecting rods, air outlet pipes and grouting pipes are arranged at positions, opposite to the connecting rods, of the upper ends and the lower ends of the grouting threaded sleeves respectively, the air outlet pipes and the grouting pipes are hollow pipes with internal threads, and the outer ends of the air outlet pipes and the grouting pipes are flush with the surface of the shear wall. The template adopts a shaped steel template or an aluminum mould with a back edge, a water-stopping rubber strip is arranged at the contact part of the periphery of the template and the shear wall, and a fixing cap passes through a preformed hole on the template and is screwed and fixed with the grouting threaded sleeve support. The slip casting threaded sleeve is used as a connecting part of the longitudinal steel bar in the supporting section and is used as a part for fixing the template, so that the templates on two sides of the pouring section can be quickly installed and fixed.
Description
Technical Field
The utility model relates to a vertical connection construction structures of prefabricated assembled shear force wall especially relates to a vertical connection formwork system of prefabricated assembled shear force wall.
Background
The development of assembly type buildings is an important approach for realizing the modernization of the building industry, wherein the connection technology of the nodes and the joints of the components is a key technology. In order to reduce the number of grouting sleeve connections, the vertical connection of wall prefabricated parts can adopt a sleeve anchoring and cast-in-place lap joint connection structure, the butt joint difficulty during the hoisting of the shear wall can be reduced, the construction speed is accelerated, and the connection strength is improved. At present, the following problems still exist in the connection structure and the construction method: 1. the independent grouting threaded sleeve is easy to deviate in the shear wall prefabrication process, and difficulty is brought to the alignment and insertion of subsequent longitudinal steel bars; 2. a plurality of counter-pulling screws are required to be arranged for supporting a template in a concrete pouring area to form counter-pulling screw holes, hole filling construction is required in the later period, the periphery of the template is not tightly contacted with a prefabricated shear wall, and slurry leakage and mold running are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at to the problem that exists in the construction is connected to prefabricated assembled shear force wall, provided a vertical connection formwork system of prefabricated assembled shear force wall.
In order to achieve the purpose, the utility model provides a technical scheme does:
a prefabricated assembly type shear wall vertical connection formwork system is characterized by comprising a plurality of grouting threaded sleeve supports and formworks; the grouting threaded sleeve supports are poured in the supporting sections at the bottom of the shear wall, each grouting threaded sleeve support is composed of two grouting threaded sleeves, sealing rings are arranged at two ends of each grouting threaded sleeve, the upper ends and the lower ends of the grouting threaded sleeves are connected into a whole through connecting rods, air outlet pipes and grouting pipes are respectively arranged at the positions, opposite to the connecting rods, of the upper ends and the lower ends of the grouting threaded sleeves, the air outlet pipes and the grouting pipes are hollow pipes with internal threads, and the outer ends of the air outlet pipes and the grouting pipes are flush with the surface of the shear wall; the template adopts a shaped steel template or an aluminum mould with a back edge, a water-stopping rubber strip is arranged at the contact part of the periphery of the template and the shear wall, and a fixing cap passes through a preformed hole in the template and is screwed and fixed with the grouting threaded sleeve support.
Preferably, the shear wall is arranged on the lower part structure, the lower end of the shear wall is provided with a supporting section and a pouring section, longitudinal steel bars in the pouring section extend to the lower surface of the shear wall, the longitudinal steel bars in the supporting section extend into the grouting threaded sleeve, and the extending length is half of the length of the grouting threaded sleeve; the bottom of the grouting threaded sleeve is flush with the bottom of the support section; the extension length of the longitudinal steel bars at the upper end of the lower structure is matched with the longitudinal steel bars of the shear wall.
Preferably, the contact position of the upper part of the template and the shear wall is provided with a semicircular exhaust hole, the side edge of the template is provided with a plate penetrating joint, and the plate penetrating joint is provided with a grouting hole.
Preferably, the fixing cap is of a hollow T-shaped structure, threads are arranged on the inner side and the outer side of the fixing cap, external threads are matched with internal threads of the air outlet pipe and the grouting pipe, and internal threads are matched with threads of the sealing plug and the grouting head.
Preferably, the shear wall is laterally fixed using support rods, and the support rods are fixed to the shear wall and the floor surface by anchor bolts.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
1. the bottom of the shear wall is provided with the supporting section, and after the shear wall is hoisted in place, the vertical supporting force on the shear wall does not need to be carried out through hoisting equipment, so that the use time of machines is saved.
2. The supporting section can provide stable and reliable vertical supporting force in the construction process, so that the stability of the wall body in the slurry pouring process is ensured, and the coagulation and hardening of the slurry are facilitated.
3. The number of grouting threaded sleeves for anchoring connection is reduced, and the construction cost is greatly reduced; the grouting threaded sleeve is also used as a fixing part of the template, stable and reliable support can be rapidly provided for the template, the difficulty in building the template is reduced, and the pouring quality of the concrete in the connecting area is improved.
4. Because the connection quantity of the anchoring connection sleeves is reduced, the upper wall body and the lower wall body are easily butted in field installation, the installation speed is greatly increased, and the construction period is shortened.
5. The middle part of the wall body of the prefabricated shear wall adopts steel bar binding lap joint connection, and finally, the formwork is erected again and cast in situ, so that the connection part is reliable, the quality is easy to control, and the structure safety is ensured.
Drawings
FIG. 1 is a side view, a plan view, a top view of a slip casting threaded sleeve mount;
FIG. 2 is a schematic view of the inner formwork casting concrete and the inner grouting of the sleeve in the casting section;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 4;
FIG. 6 is a schematic view of the A node template attachment of FIG. 3;
fig. 7 is a schematic view of the B-node bulkhead fitting of fig. 4.
The figure is marked with: 1-grouting threaded sleeve, 11-grouting pipe, 12-air outlet pipe, 13-connecting rod, 2-template, 21-plate penetrating joint, 22-pouring hole, 23-exhaust hole, 24-fixing cap, 25-sealing plug, 3-support rod, 31-anchor bolt, 41-sealing ring, 42-high-strength cement-based grouting material, 43-self-compacting concrete, 51-shear wall, 52-support section, 53-pouring section, 54-substructure, 55-longitudinal steel bar, 56-distribution steel bar and 57-hanging ring.
Detailed Description
In order to deepen understanding of the present invention, the following embodiments of the present invention will be described in detail with reference to fig. 1 to 7, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
Combine that attached figure 2~ attached figure 3 show, the utility model relates to a vertical connection formwork system of prefabricated assembled shear force wall, including a plurality of slip casting screw thread sleeve support and template 2. The grouting threaded sleeve supports are poured in the supporting sections 52 at the bottom of the shear wall 51, and as shown in the attached drawing 1, each grouting threaded sleeve support is composed of two grouting threaded sleeves 1, sealing rings 41 are arranged at two ends of each grouting threaded sleeve 1, the upper ends and the lower ends of the grouting threaded sleeves 1 are connected into a whole through connecting rods 13, air outlet pipes 12 and grouting pipes 11 are respectively arranged at the positions, opposite to the connecting rods 13, of the upper ends and the lower ends of the grouting threaded sleeves 1, the air outlet pipes 12 and the grouting pipes 11 are hollow pipes with internal threads, and the outer ends of the air outlet pipes 12 and the grouting pipes 11 are flush with the. Referring to fig. 3 and 4, the formwork 2 is a shaped steel formwork or aluminum formwork with a back edge, a water-stopping rubber strip (not shown) is arranged at a contact position of the periphery of the formwork 2 and the shear wall 51, and the fixing cap 24 penetrates through a preformed hole in the formwork 2 to be screwed and fixed with the grouting threaded sleeve support.
Referring to fig. 2, the shear wall 51 is mounted on a lower structure 54, a support section 52 and a pouring section 53 are arranged at the lower end of the shear wall, longitudinal steel bars 55 in the pouring section 53 extend to the lower surface of the shear wall 51, and the longitudinal steel bars 55 in the support section 52 extend into the grouting threaded sleeve 1 by half of the length of the grouting threaded sleeve 1; the bottom of the grouting threaded sleeve 1 is flush with the bottom of the support section 52; the length of the longitudinal steel bars 55 at the upper end of the lower structure 54 is adapted to the longitudinal steel bars 55 of the shear wall 51.
Referring to fig. 5 and 7, a semicircular exhaust hole 23 is formed at a contact position of the upper part of the formwork 2 and the shear wall 51, a plate penetrating connector 21 is arranged on the side edge, and a grouting hole 22 is formed in the plate penetrating connector 21.
Referring to fig. 6, the fixing cap 24 is a hollow T-shaped structure, and has threads on both the inside and the outside, the external threads of which are matched with the internal threads of the outlet pipe 12 and the grouting pipe 11, and the internal threads of which are matched with the threads of the sealing plug 25 and the grouting head.
Referring to fig. 3 and 4, the shear wall 51 is laterally fixed by using the support rods 3, and the support rods 3 are fixed on the shear wall 51 and the floor surface by the anchor bolts 31.
Adopt the utility model relates to a vertical connection formwork system of prefabricated assembly type shear force wall carries out the vertical connection construction procedure of prefabricated assembly type shear force wall as follows:
1. prefabricating the assembled shear wall, and pouring a grouting threaded sleeve support into a support section 52 at the bottom of the shear wall 51;
2. hoisting the shear wall 51 to the upper part of the lower structure 54 through a hoisting ring 57 at the top of the shear wall 51 by using hoisting equipment, and slowly lowering the shear wall 51 to ensure that the longitudinal steel bars 55 at the tops of the support sections 52 at two sides of the lower structure 54 are inserted into the grouting threaded sleeve 1 in an aligned manner;
3. the support section 52 of the shear wall 51 is dropped onto the substructure 54, the shear wall 51 is laterally fixed by the support rods 3, and the hoisting equipment is removed;
4. binding and connecting the longitudinal steel bars 55 at the position of the pouring section 53;
5. installing the template 2 of the pouring section 53;
6. injecting high-strength cement-based grouting material 42 into the grouting threaded sleeve 1, and simultaneously injecting self-compacting concrete 43 into the pouring section;
7. and (3) after the injected slurry and the self-compacting concrete reach the designed strength, removing the template 2 and the support rod 3.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. A prefabricated assembly type shear wall vertical connection formwork system is characterized by comprising a plurality of grouting threaded sleeve supports and formworks (2); the grouting threaded sleeve supports are poured in the supporting sections (52) at the bottom of the shear wall (51), each grouting threaded sleeve support is composed of two grouting threaded sleeves (1), sealing rings (41) are arranged at two ends of each grouting threaded sleeve support, the upper ends and the lower ends of the grouting threaded sleeves (1) are connected into a whole through a connecting rod (13), an air outlet pipe (12) and a grouting pipe (11) are respectively arranged at the positions, opposite to the connecting rod (13), of the upper ends and the lower ends of the grouting threaded sleeves (1), the air outlet pipe (12) and the grouting pipe (11) are hollow pipes with internal threads, and the outer ends of the air outlet pipe and the grouting pipe (11) are flush with the surface of the shear wall (; the template (2) adopts a steel template or an aluminum mould with a shaped back edge, a water stop rubber strip is arranged at the contact part of the periphery of the template (2) and the shear wall (51), and a fixing cap (24) penetrates through a preformed hole in the template (2) to be screwed and fixed with the grouting threaded sleeve support.
2. The prefabricated assembly type shear wall vertical connection formwork system according to claim 1, wherein the shear wall (51) is installed on a substructure (54), a supporting section (52) and a pouring section (53) are arranged at the lower end of the shear wall, longitudinal steel bars (55) in the pouring section (53) extend to the lower surface of the shear wall (51), and the longitudinal steel bars (55) in the supporting section (52) extend into the grouting threaded sleeve (1) by half the length of the grouting threaded sleeve (1); the bottom of the grouting threaded sleeve (1) is flush with the bottom of the support section (52); the protruding length of the longitudinal steel bars (55) at the upper end of the lower structure (54) is matched with the longitudinal steel bars (55) of the shear wall (51).
3. The prefabricated assembly type shear wall vertical connection formwork system according to claim 1, wherein a semicircular exhaust hole (23) is formed in the contact position of the upper portion of the formwork (2) and the shear wall (51), a plate penetrating connector (21) is arranged on the side edge of the formwork, and a grouting hole (22) is formed in the plate penetrating connector (21).
4. The prefabricated assembly type shear wall vertical connection formwork system according to claim 1, wherein the fixing cap (24) is of a hollow T-shaped structure, threads are arranged on the inner side and the outer side of the fixing cap, the outer threads are matched with the inner threads of the air outlet pipe (12) and the grouting pipe (11), and the inner threads are matched with the threads of the sealing plug (25) and the grouting head.
5. The prefabricated assembly type shear wall vertical connection formwork system according to claim 1, wherein the shear wall (51) is laterally fixed by using the support rods (3), and the support rods (3) are fixed on the shear wall (51) and the floor surface through anchor bolts (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789217.XU CN211817177U (en) | 2019-10-23 | 2019-10-23 | Vertical connection formwork system of prefabricated assembly type shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789217.XU CN211817177U (en) | 2019-10-23 | 2019-10-23 | Vertical connection formwork system of prefabricated assembly type shear wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211817177U true CN211817177U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921789217.XU Active CN211817177U (en) | 2019-10-23 | 2019-10-23 | Vertical connection formwork system of prefabricated assembly type shear wall |
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| Country | Link |
|---|---|
| CN (1) | CN211817177U (en) |
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2019
- 2019-10-23 CN CN201921789217.XU patent/CN211817177U/en active Active
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