阅读说明：本技术 超高层楼内观光天井钢索网施工平台及其建造方法 (Steel cable net construction platform for sightseeing courtyard in super high-rise building and construction method thereof ) 是由 柳瑞海 龚金京 朱晓林 路天祥 张波 于 2021-09-03 设计创作，主要内容包括：一种超高层楼内观光天井钢索网施工平台及其建造方法,在横截面形状为矩形的天井的欲施工位置的下方周边的框架梁上预留或钻出多个等间隔的、水平方向的穿梁透孔,相对面的框架梁上的穿梁透孔相对应；在相对面的框架梁每两个对应的穿梁透孔之间张紧并固定一根钢绞索,纵向与横向的钢绞索的交叉点相互连接,组成网状的支撑平面；在该支撑平面上铺设小孔钢丝平网,在该小孔钢丝平网上铺设木脚板,并将小孔钢丝平网、和脚板与钢绞索固定,在天井内的上部形成了悬空的钢索网施工平台。本发明的优点是：降低了的材料和施工成本,缩短三分之二以上的施工工期,降低了发生安全事故的概率。(A steel cable net construction platform of sightseeing courtyard in a super high-rise building and a construction method thereof are disclosed, wherein a plurality of beam through holes which are equally spaced and in the horizontal direction are reserved or drilled on a frame beam on the periphery below a position to be constructed of a courtyard with a rectangular cross section, and the beam through holes on the frame beam on the opposite surface correspond to each other; a steel strand is tensioned and fixed between every two corresponding through beam through holes of the frame beams on the opposite surfaces, and the cross points of the longitudinal steel strand and the transverse steel strand are connected with each other to form a net-shaped supporting plane; a small-hole steel wire flat net is laid on the supporting plane, a wooden foot plate is laid on the small-hole steel wire flat net, the foot plate and the steel strand are fixed, and a suspended steel cable net construction platform is formed at the upper part in the patio. The invention has the advantages that: the material and construction cost that have reduced shorten two thirds more construction period, reduced the probability that the incident takes place.)

1. A steel cable net construction platform on a sightseeing courtyard in a super high-rise building is characterized in that a plurality of beam through holes (18) which are equally spaced and in the horizontal direction are arranged on a frame beam (3) on the periphery below a position to be constructed of the courtyard with a rectangular cross section, and the beam through holes (18) on the frame beam (3) on the opposite side correspond to each other; a steel strand cable (5) is tensioned and fixed between every two corresponding beam through holes (18) of the frame beams (3) on the opposite surfaces, and the intersection points of the longitudinal steel strand cables (5) and the transverse steel strand cables (5) are connected with each other to form a net-shaped supporting plane; laying a small-hole steel wire flat net (14) on the supporting plane, and laying a foot plate (15) on the small-hole steel wire flat net (14); the small-hole steel wire plain net (14), the foot plate (15) and the steel strand (5) are connected with each other through a connecting piece.

2. The steel cable net construction platform on the sightseeing courtyard in the super high-rise building according to claim 1, characterized in that the outer ends of the beam through holes (18) of the frame beams (3) on the opposite sides are respectively provided with a bearing channel steel (11), and the bearing channel steel (11) is provided with a row of through holes corresponding to the beam through holes (18); one end of each steel strand (5) is a fixed end and is fixed in the through hole (18) of the through beam on one side by a fixed end lock head (6) and a steel strand buckle (4); the fixed end lock head (6) comprises a tensile screw rod (61), a tensile ring (62), a compression washer (63) and a nut (64), wherein one end of the tensile screw rod (61) is connected with the tensile ring (62), the other end of the tensile screw rod (61) penetrates through a beam through hole (18) and a through hole of a bearing channel steel (11), and the compression washer (63) is sleeved and then connected with each other through the nut (64); the fixed end of the steel strand (5) passes through the tensile ring (62) and is folded in half and fixed by the steel strand buckle (4); the other end of the steel strand (5) is a tensioning end, penetrates through the through-beam through hole (18) on the opposite side and the through hole of the corresponding bearing channel steel (11), is tensioned by the anchor cable tensioning machine, and is fixed by the tensioning end fixing piece (7).

3. The steel cable net construction platform on the sightseeing patio in the super high-rise building according to claim 2, characterized in that the tensioning end fixing piece (7) comprises a steel strand lock head (71) and a tensioning end gasket (72), wherein the tensioning end gasket (72) is sleeved on the tensioning end of the steel strand (5) penetrating through the through hole of the bearing channel steel (11), and the tensioning end of the tensioned steel strand (5) is fixed by the steel strand lock head (71).

4. The steel cable net construction platform on the observation patio in the ultra-high-rise building according to claim 2, wherein the steel strand buckle (4) is a universal U-shaped steel strand buckle.

5. The steel cable net construction platform on the sightseeing courtyard in the super high-rise building according to claim 1, wherein the cross points of the longitudinal and transverse steel cables (5) are mutually bound and connected by steel binding wires (17); the connecting pieces among the small-hole steel wire flat net (14), the foot plate (15) and the steel strand (5) are bound and fixed by iron wires.

6. The method according to claim 1, characterized in that a falling object preventing film is arranged between the small-hole steel wire plain net (14) and the foot plate (15); the foot plate (15) is formed by paving a wood foot plate or a bamboo springboard.

7. The steel cable net construction platform on a sightseeing patio in an ultra-high-rise building according to claim 1, characterized in that the through beam holes (18) are provided at a position half the height or below the frame beams (3).

8. The method for innovatively building the steel cable net construction platform by rooting after the ground in the sightseeing sky in the super high-rise building as claimed in claim 1 is characterized by comprising the following steps:

(1) drilling or reserving a plurality of beam through holes (18) which are equally spaced and in the horizontal direction on the frame beam (3) at the periphery below the position to be constructed of the patio with the rectangular cross section, wherein the beam through holes (18) on the frame beam (3) on the opposite surface correspond to each other;

(2) a steel strand cable (5) is tensioned and fixed between every two corresponding beam through holes (18) of two pairs of mutually vertical frame beams (3) with opposite surfaces, and the cross points of the longitudinal steel strand cables (5) and the transverse steel strand cables (5) are mutually connected to form a net-shaped supporting plane;

(3) laying a small-hole steel wire flat net (14) on the supporting plane;

(4) a wooden foot plate (15) is laid on the small-hole steel wire flat net (14), the foot plate (15) and the steel strand (5) are fixed, and a suspended steel cable net construction platform is formed at the upper part in the patio.

9. The method of claim 8, wherein step (2) comprises:

firstly, bearing channel steel (11) is arranged at the outer ends of beam through holes (18) of frame beams (3) on opposite surfaces, and a row of through holes corresponding to the beam through holes (18) are arranged on the bearing channel steel (11);

two ends of each steel strand (5) are respectively a fixed end and a tensioning end, and the fixed end of each steel strand (5) is fixed in a through hole (18) of a through beam on one side and a through hole of the bearing channel steel (11) by using a fixed end lock head (6) and a steel strand buckle (4); the fixed end lock head (6) comprises a tensile screw rod (61), a tensile ring (62), a compression washer (63) and a nut (64), wherein one end of the tensile screw rod (61) is connected with the tensile ring (62), the other end of the tensile screw rod (61) penetrates through a beam through hole (18) and a through hole of a bearing channel steel (11), and the nut (64) is installed after the compression washer (63) is sleeved; the fixed end of the steel strand (5) passes through the tensile ring (62) and is folded in half and fixed by the steel strand buckle (4);

and the tensioning end of the steel strand (5) penetrates through the through-beam through hole (18) on the opposite side and the through hole of the corresponding bearing channel steel (11), the steel strand (5) is tensioned by an anchor cable tensioning machine, and finally the tensioning end of the steel strand (5) is fixed by a tensioning end fixing piece (7).

10. The method according to claim 8, characterized in that the patio comprises a plurality of frame columns (1) around the perimeter of the patio cross-section and frame beams (3) corresponding to the top surface of each floor, the frame beams (3) being supported in respective positions on the plurality of frame columns (1), the top end of each frame beam (3) being connected to the floor structure panel (2); the frame column (1), the floor structural slab (2) and the frame beam (3) are integrated into a cast-in-place reinforced concrete structure.

Technical Field

The invention relates to a steel cable net construction platform for an observation patio in a super high-rise building and a construction method thereof, and belongs to the field of construction of constructional engineering.

Background

At present, the installation method of the glass lighting roof structure above the patio in the super high-rise building generally adopts the operation mode of building a full hall scaffold to construct a construction platform. The workman climbs about in traditional full hall scaffold frame, and the probability that the incident takes place is very high, and workman's intensity of labour is very high.

Disclosure of Invention

The invention provides a steel cable net construction platform for innovatively building after-ground rooting in an observation sky in a super high-rise building and a building method thereof, and aims to solve the problems in the prior art.

The technical scheme of the invention is as follows:

a steel cable net construction platform on a sightseeing courtyard in a super high-rise building is characterized in that a plurality of beam through holes which are equally spaced and in the horizontal direction are arranged on a frame beam on the periphery below a position to be constructed of the courtyard with a rectangular cross section, and the beam through holes on the frame beam on the opposite surface correspond to each other; a steel strand is tensioned and fixed between every two corresponding through beam through holes of the frame beams on the opposite surfaces, and the cross points of the longitudinal steel strand and the transverse steel strand are connected with each other to form a net-shaped supporting plane; laying a small-hole steel wire flat net on the supporting plane, and laying a foot plate on the small-hole steel wire flat net; the small-hole steel wire flat net and the foot plate are connected with the steel strand through the connecting piece.

A method for innovatively building a steel cable net construction platform by rooting after a sightseeing sky well in a super high-rise building is characterized by comprising the following steps:

(1) a plurality of beam through holes which are equally spaced and in the horizontal direction are drilled or reserved on the frame beam on the periphery below the position to be constructed of the patio with the rectangular cross section, and the beam through holes on the frame beam on the opposite surface correspond to each other.

(2) And a steel strand is tensioned and fixed between every two corresponding beam through holes of two pairs of mutually vertical frame beams on opposite surfaces, and the cross points of the longitudinal steel strand and the transverse steel strand are mutually connected to form a reticular supporting plane.

(3) And laying a small-hole steel wire flat net on the supporting plane.

(4) A wooden foot plate is laid on the small-hole steel wire flat net, the foot plate and the steel strand are fixed, and a suspended steel cable net construction platform is formed at the upper part in the courtyard.

The invention has the advantages that: the prestressed steel cable net is adopted to build a suspended operation platform to replace a traditional full hall type scaffold construction platform, so that the building and dismantling of the full hall scaffold construction platform in a building glazed skylight can be omitted, and the material cost can be reduced by more than two thirds; the using amount of workers, the labor intensity and the labor cost are greatly reduced; the construction period can be shortened by more than two thirds; avoiding the workers climbing up and down in the traditional full scaffold, and greatly reducing the probability of safety accidents.

Drawings

FIG. 1 is a schematic plan view of a prestressed steel cable net construction platform according to the present invention;

FIG. 2 is a schematic structural view of a net-shaped support plane formed by the steel strands of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is an enlarged view at C in fig. 3.

Description of reference numerals: 1. raise frame columns; 2. a floor structure panel; 3. a frame beam of the courtyard; 4. a steel strand buckle; 5. a steel wire rope; 6. a fixed end lock head; 6l of tensile screw; 62. an anti-pull ring; 63. a compression-resistant washer; 64. a nut; 7. a tension end fixing member; 71. a steel strand sleeve lock; 72. tensioning the end washers; 11. carrying channel steel; 13. an anti-falling film; 14. a small-hole steel wire flat net, 15, a foot plate; 16. fully paving wood plywood or bamboo gangplank; 17. steel wire binding; 18. and penetrating through the beam through holes.

Detailed Description

Referring to fig. 1-5, the invention relates to a steel cable net construction platform for sightseeing patio in a super high-rise building and a construction method thereof.A plurality of beam through holes 18 which are equally spaced and in the horizontal direction are drilled on a frame ring beam 3 of a circle of patio at the periphery below a position to be constructed of the patio with a rectangular cross section (namely, a rectangular area composed of frame ring beams 3 in fig. 1 and 2), or reserved holes or rear drilled holes are drilled, and the beam through holes 18 on the frame beams 3 on the opposite side correspond to each other (the beam through holes 18 are arranged at the half height or lower position of the frame beams 3); a steel strand 5 is tensioned and fixed between every two corresponding beam through holes 18 of the frame beams 3 on the opposite surfaces, and the longitudinal and transverse steel strand 5 are symmetrically arranged according to a spatial axial symmetry line of a 'patio'; the intersections of the longitudinal and transverse steel cables 5 are tied to each other with steel ties 17, constituting a net-like support plane as shown in fig. 2; a small-hole steel wire flat net 14 is laid on the supporting plane, a layer of foot plate 15 is laid on the small-hole steel wire flat net 14, and the foot plate 15 can be formed by laying wood foot plates or bamboo gangboards. In order to prevent the gap between the wooden foot plate or the bamboo springboard from falling, a layer of falling object prevention film 13 (plastic film) can be laid on the small-hole steel wire flat net 14, and the small-hole steel wire flat net 14, the foot plate 15 and the steel strand 5 are bound with each other by binding iron wires, so that a suspended steel cable net construction platform is formed at the upper part in the sky well.

The outer ends of the through beam holes 18 of the frame beams 3 on the opposite surfaces are respectively provided with a bearing channel steel 11, and the bearing channel steel 11 is provided with a through hole corresponding to the through beam hole 18; one end of each steel cable 5 is a fixed end and is fixed in the through hole 18 of the through beam on one side by a fixed end lock head 6 and a steel cable buckle 4; the fixed end lock head 6 comprises a tensile screw 61, a tensile ring 62, a compression washer 63 and a nut 64, wherein one end of the tensile screw 61 is connected with the tensile ring 62, the other end of the tensile screw 61 penetrates through the beam through hole 18 and the through hole of the bearing channel steel 11, and the compression washer 63 is sleeved and then connected with the nut 64; the fixed end of the steel strand 5 passes through the tensile ring 62 and is folded in half and fixed by the steel strand buckle 4; the other end of the steel strand 5 is a tensioning end, penetrates through the through hole 18 of the through beam on the opposite side and the through hole of the corresponding bearing channel steel 11, and is tensioned by the anchor cable tensioning machine, and finally the tensioning end of the steel strand 5 is fixed by a tensioning end fixing piece 7.

The tensioning end fixing piece 7 comprises a steel strand sleeve lock head 71 and a tensioning end gasket 72, the tensioning end gasket 72 is sleeved on the tensioning end of the steel strand 5 penetrating through the through hole of the bearing channel steel 11, and the tensioned tensioning end of the steel strand 5 is fixed by the steel strand sleeve lock head 71.

The steel strand buckle 4 adopts a universal U-shaped steel strand buckle.

The invention relates to a courtyard, which comprises a plurality of frame columns 1 surrounding the periphery of the cross section of the courtyard and a frame beam 3 corresponding to the top surface of each floor, wherein the frame beam 3 is supported at the corresponding position of the plurality of frame columns 1, and the top end of each frame beam 3 is connected with a floor structure plate 2; the frame column 1, the floor structure plate 2 and the frame beam 3 are integrated into a cast-in-place reinforced concrete structure.