阅读说明：本技术 一种上人屋面施工方法 (Construction method for accessible roof ) 是由 计培春 李元庭 闵锦彬 叶旭明 陈剑烽 任爱平 郑纯 赵小勇 徐国荣 于 2021-06-25 设计创作，主要内容包括：本申请涉及一种上人屋面施工方法,其包括如下步骤：S1,材料准备；准备木模板和钢筋；选择合适尺寸的木模板作为屋面底模、屋面侧模、洞口侧模、附加侧模和楼梯间模板；S2,结构施工；支护屋面底模、屋面侧模；取洞口侧模支护于楼梯洞口一周,屋面底模、屋面侧模和洞口侧模共同形成屋面浇筑区；在屋面浇筑区内部绑扎钢筋；取附加侧模支护于洞口侧模背离楼梯洞口的一侧,洞口侧模和附加侧模之间形成梁浇筑区；在屋面浇筑区和梁浇筑区浇筑混凝土,待混凝土凝固后形成屋面板和插接梁；支护楼梯间模板并进行混凝土的浇筑,待混凝土凝固后形成楼梯间结构；S3,楼梯间安装；起吊楼梯间结构将其套接于插接梁外部。本申请具有提高施工效率的效果。(The application relates to a construction method of a accessible roof, which comprises the following steps: s1, preparing materials; preparing a wood template and reinforcing steel bars; selecting a wood template with a proper size as a roof bottom die, a roof side die, a hole side die, an additional side die and a staircase template; s2, constructing a structure; supporting a roof bottom die and a roof side die; supporting a hole side mold on the periphery of a stair hole, and forming a roof pouring area by a roof bottom mold, a roof side mold and the hole side mold together; binding steel bars inside the roof pouring area; supporting the additional side die on one side of the hole side die, which is far away from the stair hole, and forming a beam pouring area between the hole side die and the additional side die; pouring concrete in the roof pouring area and the beam pouring area, and forming a roof panel and a splicing beam after the concrete is solidified; supporting a staircase formwork, pouring concrete, and forming a staircase structure after the concrete is solidified; s3, installing a staircase; the hoisting staircase structure is sleeved outside the splicing beam. This application has the effect that improves the efficiency of construction.)

1. A construction method for accessible roof is characterized in that: the method comprises the following steps:

s1, preparing materials;

preparing a wood template and reinforcing steel bars;

selecting a wood template with a proper size as a roof bottom die (1), a roof side die (2), a hole side die (3), an additional side die (4) and a staircase template according to design requirements;

s2, constructing a structure;

supporting a roof bottom die (1), and supporting a roof side die (2) around the edge of the roof bottom die (1); supporting a hole side die (3) on the periphery of a stair hole, and forming a roof pouring area (9) by surrounding a roof bottom die (1), a roof side die (2) and the hole side die (3) together; binding steel bars inside the roof pouring area (9);

an additional side die (4) is supported on one side of the opening side die (3) deviating from the stair opening, and the bottom of the additional side die (4) is located above the steel bar in the pouring area; a beam pouring area (10) is formed between the hole side die (3) and the additional side die (4);

pouring concrete in the roof pouring area (9) and the beam pouring area (10), and forming a roof panel (91) and an inserting beam (101) after the concrete is solidified;

supporting a staircase formwork, pouring concrete, and forming a staircase structure (121) after the concrete is solidified;

s3, installing a staircase;

and hoisting the staircase structure (121) to the position right above the insertion beam (101), and lowering the staircase structure (121) to be sleeved outside the insertion beam (101).

2. The accessible roof construction method according to claim 1, wherein: in the material preparation of S1, a steel plate and a threaded rod (412) are prepared; cutting a steel plate to form a mounting plate (31) and a positioning plate (41) which are consistent in size, and forming a hole in the positioning plate (41) to penetrate through a threaded rod (412) so that the positioning plate (41) is in threaded fit with the threaded rod (412); in the structural construction of S2, after the roof side die (2) is supported, the mounting plate (31) is fixed on one side of the opening side die (3) deviating from the roof pouring area (9), and the top of the mounting plate (31) is positioned above the roof side die (2);

placing the additional side die (4) on a steel bar in the pouring area, and fixing the additional side die (4) on the periphery of the stair hole into a whole; heightening the additional side die (4) to enable the top of the additional side die to be aligned with the top of the roof side die (2); fixing a positioning plate (41) on one side of the additional side die (4) facing the roof pouring area (9); and screwing the threaded rod (412) to enable the end part of the threaded rod to be abutted against the side wall of the mounting plate (31), so that the width of the periphery of the beam pouring area (10) is consistent.

3. The accessible roof construction method according to claim 2, wherein: in the structural construction of S2, the threaded rods (412) are screwed down to be in contact with the corresponding side walls of the mounting plates (31), then the distance between the mounting plates (31) and the positioning plates (41) is measured, and the width of the beam pouring area (10) is adjusted by synchronously rotating the threaded rods (412) on the two opposite sides of the stair hole.

4. The accessible roof construction method according to claim 2, wherein: in the material preparation of S1, preparing a nut (411), and screwing a threaded rod (412) into the nut (411); after the positioning plate (41) is drilled, the threaded rod (412) is inserted into the drilled position, and the nut (411) is fixed to the positioning plate (41).

5. The accessible roof construction method according to claim 2, wherein: in the material preparation of S1, cutting a steel plate to form a pressing plate (413) with the size smaller than that of the mounting plate (31), penetrating the threaded rod (412) through the positioning plate (41), and fixing the pressing plate (413) at one end of the threaded rod (412); in the structural construction of S2, when the positioning plate (41) is installed, the abutting plate (413) faces the installation plate (31).

6. The accessible roof construction method according to claim 1, wherein: in the material preparation of S1, the prepared staircase template comprises a staircase bottom die (5), a staircase outer die (6), a staircase inner die (7) and a staircase top die (8); in the structural construction of S2, placing a staircase bottom die (5) on the ground, supporting a circle of staircase inner die (7) on the staircase bottom die (5), and taking a staircase top die (8) to seal the top opening of the staircase inner die (7); a circle of stair external mold (6) is supported outside the stair internal mold (7), and a stair pouring area (12) is formed between the stair internal mold (7) and the stair external mold (6);

binding reinforcing steel bars, inserting the reinforcing steel bars into the staircase pouring area (12), and pouring concrete into the staircase pouring area (12); and forming a staircase structure (121) after the concrete is solidified.

7. The accessible roof construction method according to claim 1, wherein: in the material preparation of S1, bending a steel bar to form a lifting ring (11); in the structural construction of S2, one end of the lifting ring (11) is poured into the interior of the staircase structure (121), so that a closed pore channel is formed between the lifting ring (11) and the side wall of the staircase structure (121).

8. The accessible roof construction method according to claim 1, wherein: in the structural construction of S2, after the steel bars in the roof pouring area (9) are bound, lofting is carried out on one side of the roof side die (2) facing the roof pouring area (9), and the height line of concrete pouring is determined; the bottom of the hole side die (3) is aligned with the height line of the roof side die (2).

Technical Field

The application relates to the technical field of roof construction, in particular to a construction method for a accessible roof.

Background

The accessible roofing is one kind of roofing structure, can make the user of building utilize the space of roofing to improve the utilization ratio in space. In order to facilitate the user to reach the roof panel from the top floor slab, a staircase is required to be constructed on the roof panel.

With reference to fig. 5-6, the construction method of the accessible roof at present is as follows: s1, supporting the roof bottom die 1 by using a scaffold, supporting the roof side die 2 around the edge of the roof board 91 to be poured, and supporting the opening side die 3 around the stair opening, so that the roof bottom die 1 and the roof side die 2 jointly form a roof pouring area 9 for pouring the roof board 91. And (3) binding reinforcing steel bars in the roof pouring area 9, pouring concrete, and forming the roof panel 91 after the concrete is solidified. S, a wall body is built at the position, located at the stair hole, of the upper surface of the roof panel 91, a top plate is poured on the top of the wall body, and the wall body and the top plate form a stair room structure 121 together.

In view of the above-mentioned related art, since the stairwell above the roof panel needs to be supported on the roof panel, the construction must be performed after the roof panel is constructed and maintained, which results in a long construction period.

Disclosure of Invention

In order to shorten the construction period of the accessible roof, the application provides a method for constructing the accessible roof.

In order to achieve the purpose of the invention, the application provides a construction method of a accessible roof, which adopts the following technical scheme:

a construction method for accessible roof comprises the following steps:

s1, preparing materials;

preparing a wood template and reinforcing steel bars; selecting a wood template with a proper size as a roof bottom die, a roof side die, a hole side die, an additional side die and a staircase template according to design requirements;

s2, constructing a structure;

supporting a roof bottom die, and supporting a roof side die around the edge of the roof bottom die; supporting a hole side mold on the periphery of a stair hole, and forming a roof pouring area by surrounding a roof bottom mold, a roof side mold and the hole side mold together; binding steel bars inside the roof pouring area;

supporting an additional side die on one side of the hole side die, which is far away from the stair hole, wherein the bottom of the additional side die is positioned above the steel bars in the pouring area; a beam pouring area is formed between the hole side die and the additional side die;

pouring concrete in the roof pouring area and the beam pouring area, and forming a roof panel and a splicing beam after the concrete is solidified;

supporting a staircase formwork, pouring concrete, and forming a staircase structure after the concrete is solidified;

s3, installing a staircase;

and hoisting the staircase structure to the position right above the splicing beam, and lowering the staircase structure to sleeve the staircase structure outside the splicing beam.

By adopting the technical scheme, the staircase pouring and the roof pouring can be synchronously carried out, and after the staircase pouring and the maintenance are completed, the staircase structure is sleeved outside the splicing beam, so that the efficiency of site construction is improved.

Alternatively, in the material preparation at S1, a steel plate and a threaded rod are prepared; cutting the steel plate to form a mounting plate and a positioning plate which are consistent in size, and forming a hole in the positioning plate to penetrate through a threaded rod so that the positioning plate is in threaded fit with the threaded rod; in the structural construction of S2, after the roof side die is supported, fixing the mounting plate on one side of the opening side die, which is far away from the roof pouring area, and positioning the top of the mounting plate above the roof side die;

placing the additional side die on a steel bar in the pouring area, and fixing the additional side die around the stair hole into a whole; heightening the additional side die to enable the top of the additional side die to be aligned with the top of the roof side die; fixing a positioning plate on one side of the additional side mold facing the roof pouring area; and screwing the threaded rod to enable the end part of the threaded rod to be abutted against the side wall of the mounting plate, so that the width of the periphery of the beam pouring area is consistent.

Through adopting above-mentioned technical scheme, the district's width is pour to the locating beam to make things convenient for the regulation of width, avoid pouring the district to the roofing simultaneously and produce the influence.

Optionally, in the structural construction of S2, screw up the threaded rod earlier and make it contact with the mounting panel lateral wall that corresponds, then measure the distance between mounting panel and the locating plate, realize the regulation of roof beam pouring district width through the threaded rod of the relative both sides of synchronous rotation stair entrance to a cave.

Through adopting above-mentioned technical scheme, the width in district is pour to the accurate regulation roof beam, and convenient operation is swift.

Alternatively, in the material preparation at S1, a nut is prepared, and the threaded rod is screwed into the nut; after the positioning plate is drilled, the threaded rod is inserted into the drilling position, and the nut is fixed on the positioning plate.

Through adopting above-mentioned technical scheme, can directly realize the interval between the mounting panel locating plate through rotating the threaded rod and adjust behind the fixation nut position, operate convenient and fast more.

Optionally, in the material preparation of S1, the steel plate is cut to form a tightening plate smaller than the mounting plate in size, and after the threaded rod penetrates through the positioning plate, the tightening plate is fixed to one end of the threaded rod; in the structural construction of S2, when the positioning plate is mounted, the tightening plate is made to face the mounting plate.

Through adopting above-mentioned technical scheme, enlarge the area of contact between threaded rod and the mounting panel to reduce the damage of supporting tight in-process threaded rod tip to the mounting panel.

Optionally, in the material preparation of S1, the prepared staircase formwork includes a staircase bottom formwork, a staircase outer formwork, a staircase inner formwork and a staircase top formwork; in the structural construction of S2, placing a staircase bottom die on the ground, supporting a circle of staircase inner die on the staircase bottom die, and closing a top opening of the staircase inner die by using a staircase top die; a circle of stair room outer mold is supported outside the stair room inner mold, and a stair room pouring area is formed between the stair room inner mold and the stair room outer mold;

binding reinforcing steel bars, inserting the binding reinforcing steel bars into a staircase pouring area, and pouring concrete into the staircase pouring area; and forming a staircase structure after the concrete is solidified.

Through adopting above-mentioned technical scheme, the stairwell adopts the forward to pour, realizes the self-compaction of concrete.

Optionally, in the preparation of the material of S1, bending a steel bar to form a lifting ring; in the structural construction of S2, one end of the hoist ring is poured into the interior of the staircase structure so that a closed channel is formed between the hoist ring and the side wall of the staircase structure.

Through adopting above-mentioned technical scheme, be convenient for lift by crane and the transportation of stairwell structure.

Optionally, in the structural construction of S2, after the steel bars in the roof pouring area are bound, lofting is performed on one side of the roof side mold facing the roof pouring area, and a height line of concrete pouring is determined; the bottom of the hole side die is aligned with the height line of the roof side die.

By adopting the technical scheme, the phenomenon that the height of the concrete exceeds the height of the additional side die is avoided, whether the pouring height of the concrete meets the design requirement or not is convenient to determine on the construction site, and the efficiency of site construction is improved.

In summary, the invention includes at least one of the following beneficial technical effects:

1. simultaneously, the roof panel and the staircase structure are poured, and the poured staircase structure is sleeved outside the splicing beam, so that the efficiency of site construction is improved;

2. the width of the beam pouring area is adjusted by the mounting plate, the positioning plate and the threaded rod, so that the beam pouring area can adapt to construction of splicing beams with different widths.

Drawings

FIG. 1 is a schematic top view of a roof casting area and a beam casting area;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of the overall structure of a pouring area of a staircase after construction is completed;

FIG. 4 is a schematic view of the overall structure of the staircase structure after being sleeved on the outside of the splicing beam;

FIG. 5 is a schematic diagram of the overall structure of a prior art roofing casting area;

fig. 6 is a schematic view of the whole structure of the staircase structure after pouring on the roof panel in the prior art.

In the figure, 1, a roof bottom die; 2. a roof side mold; 3. a hole side die; 31. mounting a plate; 4. adding a side die; 41. positioning a plate; 411. a nut; 412. a threaded rod; 413. a propping plate; 5. a bottom die of the staircase; 6. an outer mold for a staircase; 7. an inner mold of the staircase; 8. a staircase top mold; 9. a roof pouring area; 91. a roof panel; 10. a beam casting area; 101. a plug beam; 11. lifting a lifting ring; 12. a staircase casting area; 121. a staircase structure.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a construction method of a accessible roof. Referring to fig. 1, the construction method of the accessible roof includes the following steps:

s1, preparing materials;

a wooden form, a steel plate, a threaded rod 412 with a nut at an end thereof, a nut 411 threadedly engaged with the threaded rod 412, and a reinforcing bar are prepared.

With reference to fig. 2 and 3, selecting a wood template with a proper size as a roof bottom die 1, a roof side die 2, a hole side die 3, an additional side die 4, a staircase bottom die 5, a staircase outer die 6, a staircase inner die 7 and a staircase top die 8 according to design requirements.

The steel plate is cut to form the rectangular mounting plate 31, and the steel plate is cut to form the positioning plate 41 having a size identical to that of the mounting plate 31. A hole is bored in the middle of the positioning plate 41 so that the threaded rod 412 can pass through the hole. The nut 411 is welded to one side of the positioning plate 41, and the threaded hole of the nut 411 is aligned with the hole of the positioning plate 41. Force is applied to the nut to screw the threaded rod 412 into the nut 411 so that the nut and the nut 411 are on the same side of the positioning plate 41.

Cutting the steel plate to form a tightening plate 413 smaller than the mounting plate 31, and welding one end of the threaded rod 412 to the center of one side of the tightening plate 413.

S2, constructing a structure;

s2-1, constructing a roof panel 91;

a plurality of roof bottom moulds 1 are supported by a full scaffold to form a whole, and a roof side mould 2 is supported on the periphery of the edge of the roof bottom mould 1 forming the whole. The side die 3 of the hole is supported around the stair hole, and the diagonal rods are arranged on the scaffold for supporting the side die 3 of the hole. And the adjacent hole side dies 3 are mutually fixed to form a closed square. The top of the hole side die 3 is positioned above the roof side die 2, the height difference between the hole side die and the roof side die is 150mm-300mm, and the actual height difference is determined according to the design requirement.

The roof bottom die 1, the roof side die 2 and the opening side die 3 jointly surround to form a roof pouring area 9, and reinforcing steel bars are bound inside the roof pouring area 9. And (5) lofting the inner side of the roof side mold 2, and determining a height line of concrete to be poured.

Taking the mounting plate 31, fixing the mounting plate 31 on one side of the hole side die 3 facing the stair hole by using structural adhesive, and positioning the top of the mounting plate 31 above the roof side die 2. At least two mounting plates 31 are fixed on the side wall of each opening side die 3, and the adjacent mounting plates 31 are arranged at intervals.

And placing the additional side die 4 on one side of the hole side die 3, which is far away from the stair hole, so that the additional side die 4 is supported in the roof pouring area 9. The additional side die 4 and the opening side die 3 form a space with the width of 100mm-200mm, and the space of 150mm is selected for explanation in the application. The four additional side dies 4 are connected into a whole by using shooting nails or other tools, so that the whole is sleeved outside the whole formed by the hole side dies 3, and a beam pouring area 10 is formed between the additional side dies 4 and the hole side dies 3. And (3) padding the bottom of the additional side die 4 with a stone block so that the top of the additional side die 4 is flush with the top of the opening side die 3, and aligning the bottom of the additional side die 4 with the height line.

Taking the positioning plate 41, enabling the nut 411 on the positioning plate 41 to be positioned on one side departing from the mounting plate 31, and gluing the positioning plate 41 on one side of the additional side die 4 departing from the opening side die 3 by using structural glue, so that the top of the positioning plate 41 is flush with the top of the mounting plate 31. At least two positioning plates 41 are fixed on each additional side die 4, and the positioning plates 41 correspond to the mounting plates 31 one by one.

The nut is forced to tighten the threaded rod 412, so that the abutting plate 413 at the end of the threaded rod 412 abuts against the side wall of the mounting plate 31. The vertical distance between the adjacent sides of the positioning plate 41 and the mounting plate 31 is measured, the threaded rods 412 on the positioning plates 41 on the two opposite sides of the stair opening are rotated for adjustment until the width of the periphery of the beam pouring area 10 is 150mm, and the threaded rods 412 are screwed to enable the abutting plates 413 to abut against the mounting plate 31.

And pouring concrete in the roof pouring area 9 and vibrating until the upper surface of the concrete is contacted with the bottom of the additional side die 4 and reaches the height line of the roof side die 2. Concrete is then poured in the beam casting area 10 until the upper surface of the concrete is aligned with the top of the additional side form 4.

And (3) curing the concrete, and after the strength of the concrete reaches the standard strength, removing the roof side die 2, the roof bottom die 1 and the staircase side die, so that the roof pouring area 9 forms a roof panel 91, and the beam pouring area 10 forms an inserted beam 101 which winds a circle of the staircase opening.

S2-2, constructing a staircase;

the staircase bottom die 5 is placed on the ground and spliced to form a reversed-square structure. And supporting the inner stair case mould 7 on the inner side of the square-clip-shaped structure, and fixing the adjacent inner stair case moulds 7. The top of the staircase is fixed on the top of the inner staircase mould 7, so that the top staircase mould 8 closes the top opening formed by the inner staircase mould 7. And supporting the outer stair-room dies 6 on the outer sides of the square-clip-shaped structures, and fixing the adjacent outer stair-room dies 6. The staircase bottom die 5, the staircase inner die 7 and the staircase outer die 6 form a staircase pouring area 12 together.

And (5) binding reinforcing steel bars according to design requirements, and inserting the bound reinforcing steel bars into the staircase casting area 12.

Taking round steel in the steel bar, bending the round steel to form a U-shaped lifting ring 11. The opening of the lifting piece faces downwards and is inserted into a gap formed by the steel bars above the top plate of the staircase. And welding the bottom of the hoisting piece and the steel bars in the pouring area 12 of the staircase, so that the hoisting piece is positioned above the top of the outer mould 6 of the staircase along the vertical direction.

And pouring concrete in the staircase pouring area 12 and vibrating until the upper surface of the concrete is flush with the top of the staircase outer mold 6. The concrete is cured and forms a staircase structure 121 after final setting. The outer stair room mold 6 is firstly removed, the stair room structure 121 is lifted through the lifting piece, and then the stair room bottom mold 5 and the stair room inner mold 7 are removed.

Wherein S2-1 and S2-2 are performed synchronously.

S3, installing a staircase;

referring to fig. 4, the staircase structure 121 is hoisted by the hoist and the staircase structure 121 is moved to just above the plug beam 101. The staircase structure 121 is lowered such that the staircase structure 121 is nested outside the plug beam 101.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.