CN215563552U - Vertical joint construction of prefabricated wallboard based on ultra high performance concrete form - Google Patents
Vertical joint construction of prefabricated wallboard based on ultra high performance concrete form Download PDFInfo
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- CN215563552U CN215563552U CN202121967818.2U CN202121967818U CN215563552U CN 215563552 U CN215563552 U CN 215563552U CN 202121967818 U CN202121967818 U CN 202121967818U CN 215563552 U CN215563552 U CN 215563552U
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Abstract
The utility model provides a prefabricated wallboard vertical connection structure based on an ultrahigh-performance concrete template, which comprises a prefabricated wallboard, a post-cast connection section and a disassembly-free ultrahigh-performance concrete template; a bolt hole is reserved in the disassembly-free ultrahigh-performance concrete template and used for fixing the template in a split mode; a water stop screw or an internal thread sleeve is embedded in the prefabricated wall plate, and the prefabricated wall plate is connected and fixed with the disassembly-free ultrahigh-performance concrete template by screwing a nut at the end part of the water stop screw or screwing a bolt in the internal thread sleeve; and the post-cast connecting sections between the adjacent prefabricated wallboards are sealed by the disassembly-free ultrahigh-performance concrete formworks, and concrete is poured in the post-cast connecting sections between the prefabricated wallboards, so that the structure is integrated. The utility model can effectively reduce the work amount of installing, supporting and dismantling the template at the site cast-in-place connecting section, reduce the site construction process and labor intensity, improve the working efficiency, accelerate the project progress, save wood and steel and have better economic benefit and social benefit.
Description
Technical Field
The utility model relates to the field of prefabricated assembly structures, in particular to a vertical connecting structure of a prefabricated wallboard based on an ultrahigh-performance concrete template.
Background
At present, the templates at the cast-in-place sections of prefabricated reinforced concrete structures mostly adopt wooden templates or steel templates. The wood template has low strength, is easy to deform and has less turnover times; the steel form dead weight is great, need to install through the loop wheel machine device and tear open, requires highly to the construction level, needs the professional operation, and the steel form is special design, standardized production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical connecting structure of a prefabricated wall plate based on an ultrahigh-performance concrete template, which overcomes the defects of templates at cast-in-place sections of the traditional prefabricated reinforced concrete structure.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a prefabricated wallboard vertical connecting structure based on an Ultra-High Performance Concrete (UHPC) template, which comprises a prefabricated wallboard, a post-pouring connecting section and a non-dismantling Ultra-High Performance Concrete template, wherein the prefabricated wallboard vertical connecting structure comprises a prefabricated wallboard body and a prefabricated wallboard body; a bolt hole is reserved on the disassembly-free ultrahigh-performance concrete template and is used for fixing the template in a split mode; a water stop screw or an internal thread sleeve is embedded in the prefabricated wall plate; after the prefabricated wall plates are hoisted and fixed in place, two adjacent prefabricated wall plates are fixedly connected with the disassembly-free ultrahigh-performance concrete template by screwing nuts or screwing bolts into the internal thread sleeves at the end parts of the water stop screws; reserving anchoring steel bars at the side edges of the prefabricated wall plates; and the post-cast connecting sections between the adjacent prefabricated wallboards are sealed by adopting non-dismantling ultrahigh-performance concrete formworks, and concrete is poured in the post-cast connecting sections between the prefabricated wallboards, so that the structure is integrated.
Furthermore, the non-dismantling ultrahigh-performance concrete template has the thickness of 10-30mm and the width of 10-20cm, wherein the length of the post-cast connecting section is determined according to the type of post-cast concrete, the type of reinforcing steel bars and the diameter of reinforcing steel bars, and the length of the post-cast connecting section is ensured to meet the requirement of the anchoring length of the reinforcing steel bars, so that two side edges of the template exceed the post-cast connecting section by 5-10 cm; the vertical space of the reserved bolt holes on the disassembly-free ultrahigh-performance concrete template is 0.3-0.6 m.
Furthermore, anchoring steel bars are pre-embedded on the non-dismantling ultra-high performance concrete template, the diameter of the anchoring steel bars is 8-12mm, the length of the anchoring steel bars is 10-30cm, the vertical distance is 0.1-1.0m, and the anchoring steel bars are used for being poured into a post-pouring section to enhance the structural integrity.
Furthermore, anchoring steel bars are reserved on the side edges of the prefabricated wall plates, the length is not less than 10d-60d, the requirement of the overlapping length of the steel bars is met, d is the diameter of the anchoring steel bars, and the anchoring steel bars between adjacent wall plates are bound and overlapped.
Furthermore, a water stop screw or an internal thread sleeve is pre-embedded at the position, close to the side edge, of the prefabricated wall board and is used for being fixed with the disassembly-free ultrahigh-performance concrete formwork.
Furthermore, ordinary concrete or UHPC concrete can be selected to be poured in the post-cast connecting section, and the length of the post-cast connecting section is ensured to meet the requirement of the anchoring length of the steel bar.
Furthermore, the prefabricated wall board is close to the rear-pouring connecting section and is reserved with a groove, and a water-swelling rubber water stop strip can be placed before the disassembly-free template is fixedly installed on site, so that the waterproof performance of the structure is improved.
In order to realize the vertical connecting structure of the prefabricated wall plate based on the ultra-high performance concrete template, the construction method comprises the following steps:
hoisting the precast concrete wallboard in place, and fixing the precast concrete wallboard by adopting an inclined strut; binding and lapping the reinforcing steel bars between the adjacent prefabricated wall plates; the outer side of a splicing seam between the precast concrete wall plates is sealed by adopting a non-dismantling UHPC template, and the template is fixed by adopting bolts; and pouring common concrete or UHPC concrete in the post-pouring section to form a post-pouring connecting section, so that the structure forms a whole.
The vertical connecting structure of the prefabricated wall plate based on the ultra-high performance concrete template has the beneficial effects that:
1. the utility model utilizes the excellent mechanical property of the ultra-high performance concrete to manufacture the disassembly-free template, can effectively reduce the work amount of template installation, support and disassembly at the site cast-in-place connecting section, reduces the site construction process and labor intensity, improves the working efficiency, accelerates the project progress, saves wood and steel, and has better economic benefit and social benefit.
2. The non-dismantling ultra-high performance concrete template is preferably pre-embedded with anchoring steel bars with the diameter of 8-12mm, and is used for being poured into a post-pouring section, so that the adhesive force between the non-dismantling template and the post-pouring section is enhanced, and the structural integrity is improved.
3. According to the utility model, a groove is reserved at a position close to the rear pouring section of the optimized prefabricated wall board, and the water-swelling rubber water stop strip is placed before the disassembly-free template is installed and fixed on site, so that the waterproof performance of the structure can be improved.
The proposal of the patent name is to reserve the 'ultra-high performance concrete-based template', the non-dismantling template of which is the most innovative part of the patent), and if the reservation, the character is over 25
Drawings
Fig. 1 is a plan sectional view of a joint structure according to embodiment 1 of the present invention.
Fig. 2 is a plan sectional view of a precast reinforced concrete panel according to embodiment 1 of the present invention.
Fig. 3 is a plan sectional view of the joining structure of embodiment 2 of the present invention.
Fig. 4 is a plan sectional view of a precast reinforced concrete panel according to embodiment 2 of the present invention.
Fig. 5 is an enlarged view of the detachment-free mold plate of embodiment 1 and embodiment 2 of the present invention.
Fig. 6 is a three-dimensional schematic diagram of embodiment 1 of the present invention.
Fig. 7 is a three-dimensional schematic diagram of embodiment 2 of the present invention.
In the figure:
the concrete wall comprises, by weight, 1-prefabricated wall plates, 2-disassembly-free ultrahigh-performance concrete formworks, 3-anchoring steel bars, 4-internal thread sleeves, 5-water stop screws, 6-nuts, 7-bolts, 8-water-swelling rubber water stop strips, 9-post-pouring connecting sections and 10-grooves.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1
Referring to fig. 1 to 3, the embodiment discloses a vertical connection structure of prefabricated wall panels based on ultra-high performance concrete formworks and a construction method thereof, and the vertical connection structure comprises a prefabricated wall panel 1, a prefabricated disassembly-free UHPC formwork 2 and a post-cast connection section 9. Wherein prefabricated wallboard 1 contains side reservation reinforcing bar 3, internal thread sleeve 4.
Manufacturing Ultra-High Performance Concrete (UHPC) into a disassembly-free template 2 with the thickness of 10-30mm, reserving bolt holes on the template 2 for opposite-pulling fixation, pre-embedding internal thread sleeves 4 in prefabricated wall plates 1, and after the prefabricated wall plates 1 are hoisted and fixed in place, connecting and fixing two adjacent prefabricated wall plates 1 with the UHPC template 2 by screwing bolts in the internal thread sleeves 4; the lap joint reinforcing steel bars 3 are reserved on the side edges of the prefabricated wall plates 1, the post-cast sections 9 between adjacent wall plates are sealed by adopting the non-dismantling UHPC template 2, and the common concrete or the ultra-high performance concrete is poured in the post-cast sections 9 between the prefabricated wall plates 1, so that the structure is integrated.
Preferably, the thickness of the UHPC template 2 is 10-30mm, the width is the length of a post-cast connecting section 9 (the length of the post-cast connecting section is determined according to the type of post-cast concrete, the type of reinforcing steel bars and the diameter of the reinforcing steel bars, and the length of the post-cast connecting section is ensured to meet the requirement of the anchoring length of the reinforcing steel bars), 10-20cm is added, so that two side edges of the template exceed the post-cast connecting section by 5-10cm, bolt holes are reserved in the UHPC template 2, and the vertical distance between the holes is 0.3-0.6 m.
Preferably, the UHPC template 2 is pre-embedded with anchoring steel bars with the diameter of 8-12mm, the length of 10-30cm and the vertical interval of 0.1-1.0m, and is used for being poured into the post-pouring section 9 so as to enhance the structural integrity.
Preferably, the prefabricated wall panel 1 has a reserved steel bar 3 on the side, the length is not less than 10d-60d, the requirement of the overlapping length of the steel bars is met, wherein d is the diameter of the anchored steel bar 3, and the binding and overlapping of the steel bars are reserved between adjacent wall panels.
Preferably, an internal thread sleeve 4 is embedded in the prefabricated wall panel 1 close to the side edge and used for fixing the non-dismantling UHPC template 2.
Preferably, ordinary concrete or UHPC concrete can be selected to be poured in the post-cast section 9, UHPC concrete is preferred in this embodiment, and the type of the poured concrete should be matched with the length of the reserved steel bars.
Preferably, a small groove 10 is reserved at the position, close to the rear pouring section, of the prefabricated wall panel 1, and a water-swelling rubber water stop strip 8 can be placed in front of the on-site installation and fixation of the disassembly-free template 2, so that the structural waterproof performance is improved.
The construction method of the embodiment comprises the following (but not limited to) steps: hoisting the prefabricated wall plate 1 in place, and fixing the prefabricated wall plate 1 by adopting an inclined strut; binding and lapping the steel bars between the adjacent prefabricated wall plates 1; the outer sides of the abutted seams between the prefabricated wall plates 1 are sealed by adopting disassembly-free ultrahigh-performance concrete formworks 2, and the disassembly-free ultrahigh-performance concrete formworks 2 are fixed by adopting bolts 7; and pouring common concrete or ultrahigh-performance concrete at the post-pouring connecting section 9.
Example 2
Referring to fig. 4-6, in order to fix the non-dismantling UHPC formwork 2, a water stop screw 5 is pre-embedded in the prefabricated wall panel 1, and a nut 6 is screwed at the end of the water stop screw 5 after the non-dismantling UHPC formwork 2 is installed in place. So as to achieve the convenient installation and disassembly of the non-dismantling UHPC template and reduce the workload of the template support on site.
The rest is the same as example 1.
In conclusion, the utility model manufactures the ultra-high performance concrete into the disassembly-free template with the thickness of 10-30mm, the bolt holes are reserved on the template for fixing in a split mode, the water stop screw or the internal thread sleeve is pre-embedded in the prefabricated wall plates, the anchoring steel bars are reserved on the side edges, the post-cast section between the adjacent wall plates is sealed by the disassembly-free UHPC template, the UHPC template is installed and fixed by the bolts, and the common concrete or the ultra-high performance concrete is poured in the post-cast section between the prefabricated wall plates, so that the structure is integrated. The utility model utilizes the excellent mechanical property of the ultra-high performance concrete to manufacture the disassembly-free template, can effectively reduce the work amount of template installation, support and disassembly at the site cast-in-place connecting section, reduces the site construction process and labor intensity, improves the working efficiency, accelerates the project progress, saves wood and steel, and has better economic benefit and social benefit.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A prefabricated wallboard vertical connection structure based on an ultrahigh-performance concrete template comprises a prefabricated wallboard (1), a post-cast connection section (9) and a disassembly-free ultrahigh-performance concrete template (2), and is characterized in that bolt holes are reserved in the disassembly-free ultrahigh-performance concrete template (2) and used for oppositely pulling and fixing; a water stop screw (5) or an internal thread sleeve (4) is embedded in the prefabricated wall plates (1), after the prefabricated wall plates (1) are hoisted and fixed in place, two adjacent prefabricated wall plates (1) are connected and fixed with the disassembly-free ultrahigh-performance concrete formwork (2) by screwing a nut (6) or a bolt into the internal thread sleeve (4) at the end part of the water stop screw (5); the side of each prefabricated wall plate (1) is reserved with an anchoring steel bar (3), the post-cast connecting sections (9) between the adjacent prefabricated wall plates (1) are sealed by adopting disassembly-free ultrahigh-performance concrete formworks (2), and concrete is poured into the post-cast connecting sections (9) between the prefabricated wall plates (1) to form a whole structure.
2. The prefabricated wall panel vertical connection structure based on the ultrahigh-performance concrete template as claimed in claim 1, wherein the non-dismantling ultrahigh-performance concrete template (2) has a thickness of 10-30mm and a width of 10-20cm, wherein the length of the post-cast connection section (9) is determined according to the type of post-cast concrete, the type of reinforcing steel bar and the diameter of the reinforcing steel bar, and the length of the post-cast connection section is ensured to meet the requirement of the anchoring length of the reinforcing steel bar, so that the two side edges of the non-dismantling ultrahigh-performance concrete template (2) exceed the post-cast connection section (9) by 5-10 cm; the vertical space of the reserved bolt holes on the disassembly-free ultrahigh-performance concrete template (2) is 0.3-0.6 m.
3. The vertical connection structure of the prefabricated wall panel based on the ultra-high performance concrete form as claimed in claim 1, wherein anchoring steel bars are pre-embedded in the non-dismantling ultra-high performance concrete form (2), the anchoring steel bars have a diameter of 8-12mm, a length of 10-30cm and a vertical interval of 0.1-1.0m, and are poured into the post-pouring connection section (9).
4. The vertical connection structure of the prefabricated wall panel based on the ultra-high performance concrete form as claimed in claim 1, wherein the length of the anchoring steel bar (3) reserved at the side of the prefabricated wall panel (1) is not less than 10 times to 60 times the diameter of the anchoring steel bar (3); and the anchoring steel bars (3) between the adjacent prefabricated wall plates (1) are bound and overlapped.
5. The prefabricated wall panel vertical connection structure based on the ultra-high performance concrete formwork is characterized in that a groove (10) is reserved in the prefabricated wall panel (1) close to the post-pouring connecting section (9), and a water-swelling rubber water stop strip (8) is placed in the groove (10).
6. The prefabricated wall panel vertical connection structure based on the ultra-high performance concrete formwork as claimed in claim 1, wherein the post-cast connection section (9) is cast with ordinary concrete or ultra-high performance concrete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967818.2U CN215563552U (en) | 2021-08-20 | 2021-08-20 | Vertical joint construction of prefabricated wallboard based on ultra high performance concrete form |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121967818.2U CN215563552U (en) | 2021-08-20 | 2021-08-20 | Vertical joint construction of prefabricated wallboard based on ultra high performance concrete form |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541266A (en) * | 2022-03-04 | 2022-05-27 | 中铁一局集团建筑安装工程有限公司 | Construction method of anti-collision retaining wall of bridge |
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2021
- 2021-08-20 CN CN202121967818.2U patent/CN215563552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541266A (en) * | 2022-03-04 | 2022-05-27 | 中铁一局集团建筑安装工程有限公司 | Construction method of anti-collision retaining wall of bridge |
| CN114541266B (en) * | 2022-03-04 | 2024-01-12 | 中铁一局集团建筑安装工程有限公司 | Bridge anti-collision retaining wall construction method |
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