阅读说明：本技术 一种曲面玻璃幕墙顶棚的施工方法 (Construction method of curved glass curtain wall ceiling ) 是由 张建文 王立强 陆喜繁 邓靖谦 于 2019-09-30 设计创作，主要内容包括：本发明涉及一种曲面玻璃幕墙顶棚的施工方法,包括如下步骤：在主体结构预埋件上安装钢立柱；在所述钢立柱的顶部安装空间曲面钢结构；测量所述空间曲面钢结构上各个所述节点的空间位置偏移量,包括水平偏差和高度偏差；根据节点的空间位置偏移量测量结果,在所述空间曲面钢结构的所述钢主梁和所述钢次梁上设置用于补偿偏差的调整结构；将玻璃面板安装在所述调整结构上；对所述玻璃面板之间的间隙进行密封处理。本发明提供的曲面玻璃幕墙顶棚的施工方法,通过设置该调整结构,消除了空间曲面钢结构上各节点的水平偏差和高度偏差,施工时能够多作业面平行施工,提高了施工效率,大大降低了空间曲面钢结构与玻璃面板结合的难度。(The invention relates to a construction method of a curved glass curtain wall ceiling, which comprises the following steps: mounting steel upright posts on the embedded parts of the main body structure; mounting a spatial curved steel structure at the top of the steel upright; measuring the spatial position offset of each node on the spatial curved surface steel structure, wherein the spatial position offset comprises horizontal deviation and height deviation; according to the measurement result of the spatial position offset of the node, arranging an adjusting structure for compensating deviation on the steel main beam and the steel secondary beam of the spatial curved surface steel structure; mounting a glass panel on the adjustment structure; and sealing the gap between the glass panels. According to the construction method of the curved glass curtain wall ceiling, the horizontal deviation and the height deviation of each node on the space curved steel structure are eliminated by arranging the adjusting structure, multiple working faces can be constructed in parallel during construction, the construction efficiency is improved, and the difficulty in combining the space curved steel structure and the glass panel is greatly reduced.)

1. A construction method of a curved glass curtain wall ceiling is characterized by comprising the following steps:

step one, mounting a plurality of steel upright posts;

step two, installing a space curved surface steel structure on the tops of the steel upright columns, wherein the space curved surface steel structure comprises a plurality of steel main beams and a plurality of steel secondary beams connected between the adjacent steel main beams, and joints are formed at the joints of the steel main beams and the steel secondary beams;

measuring the spatial position offset of each node on the spatial curved surface steel structure, wherein the spatial position offset comprises horizontal deviation and height deviation;

fourthly, according to the measurement result in the third step, adjusting structures for compensating deviation are respectively arranged on the steel main beam and the steel secondary beam of the space curved surface steel structure;

installing a glass panel on the adjusting structure;

and step six, sealing the gap between the glass panels.

2. The construction method of the curved glass curtain wall ceiling according to claim 1, wherein in the second step, when the spatial curved steel structure is installed, a plurality of steel main beams are manufactured, each steel main beam comprises a plurality of cylindrical bodies and a plurality of short steel beams, the cylindrical bodies and the short steel beams are sequentially connected at intervals, after the steel main beams are installed on the tops of the steel upright columns, the steel main beams are connected through a plurality of secondary steel beams, and two ends of each secondary steel beam are respectively connected to the cylindrical bodies of two adjacent steel main beams.

3. The construction method of the curved glass curtain wall ceiling as claimed in claim 2, wherein the steel main beam is fabricated by a tooling jig frame in multiple groups on site.

4. The construction method of the curved glass curtain wall ceiling as claimed in claim 2, wherein in the second step, when the main steel beam and the secondary steel beam are installed to form the spatial curved steel structure, a full framing scaffold is erected as a temporary support structure for the main steel beam and the secondary steel beam.

5. The construction method of the curved glass curtain wall ceiling as claimed in claim 2, wherein in the fourth step, the adjusting structure comprises a bent steel groove and a rectangular pipe, and an opening of the bent steel groove is arranged upward;

the bending steel grooves are arranged on the short steel beams and the steel secondary beams, and horizontal deviation is compensated by adjusting the arrangement positions of the bending steel grooves in the width directions of the steel main beams and the steel secondary beams;

the rectangular pipe is connected to the opening of the bending steel groove, and the height deviation is compensated by adjusting the arrangement position of the rectangular pipe in the height direction of the bending steel groove.

6. The construction method of the curved glass curtain wall ceiling as claimed in claim 1, wherein in the fifth step, the glass panel is connected with an auxiliary frame angle adaptor, the auxiliary frame angle adaptor is pressed and fixed on the adjusting structure through a glass pressing block after the position of the glass panel is adjusted, and the glass pressing block is fixedly connected with the adjusting structure through a machine-made screw.

7. The method as claimed in claim 6, wherein in the fifth step, before the glass panels are fixedly connected to the adjusting structure, the glass panels are pre-spliced in small parts, gaps between the glass panels are adjusted, and the glass panels are temporarily fixed.

8. The method as claimed in claim 1, wherein in the sixth step, the sealing treatment method is to fill foam rods and sealant into the gaps between the glass panels for sealing.

9. The method of constructing a curved glass curtain wall ceiling as claimed in any one of claims 1 to 8, wherein in the fourth step, after the adjustment structure is completely installed, a baffle plate for shielding the adjustment structure is installed on both sides of each of the short steel beams and the secondary steel beams in the width direction.

10. The method of claim 9, wherein the space curved steel structure and the adjustment structure are painted and finish painted before the installation of the glass panels.

Technical Field

The invention relates to the technical field of installation of building glass curtain walls, in particular to a construction method of a ceiling of a curved glass curtain wall.

Background

Today with the rapid development of economy, science and technology and culture, along with the development of social economy and the improvement of scientific and technical level, the physical life of people is satisfied, and more spiritual demands are pursued, so people pursue buildings with novel form, peculiar shape and strong functions, various buildings with various shapes are frequent, the curved curtain wall ceiling is unique and attractive in shape, strong spatial layering is brought to people, and meanwhile, the glass curtain wall is adopted to satisfy the pursuit of people for sunlight in large-scale commercial buildings, and the curved curtain wall ceiling is particularly loved by people. But curved surface glass curtain wall ceiling is because its structural style is complicated changeable and large tracts of land space steel construction changes various, and every node all has the difference, so main part steel construction is very easily produced the error in the work progress, and then influences the installation of whole curved surface glass curtain wall ceiling, and not only construction period is long, does not reach anticipated design effect moreover.

Disclosure of Invention

In view of the above, the invention aims to provide a construction method of a curved glass curtain wall ceiling, and aims to solve the technical problems that in the prior art, the integral curved glass curtain wall ceiling is difficult to install, long in construction period and incapable of achieving the expected design effect due to errors generated by a main steel structure in the construction process of a curved glass curtain wall.

The invention provides a construction method of a curved glass curtain wall ceiling, which comprises the following steps:

step one, mounting a plurality of steel upright posts;

step two, installing a space curved surface steel structure on the tops of the steel upright columns, wherein the space curved surface steel structure comprises a plurality of steel main beams and a plurality of steel secondary beams connected between the adjacent steel main beams, and joints are formed at the joints of the steel main beams and the steel secondary beams;

measuring the spatial position offset of each node on the spatial curved surface steel structure, wherein the spatial position offset comprises horizontal deviation and height deviation;

fourthly, according to the measurement result in the third step, adjusting structures for compensating deviation are respectively arranged on the steel main beam and the steel secondary beam of the space curved surface steel structure;

installing a glass panel on the adjusting structure;

and step six, sealing the gap between the glass panels.

Preferably, in the second step, when the space curved surface steel structure is installed, a plurality of steel main beams are manufactured firstly, each steel main beam comprises a plurality of cylindrical barrels and a plurality of short steel beams, the cylindrical barrels and the short steel beams are connected in sequence at intervals, the steel main beams are installed behind the tops of the steel columns and are connected through a plurality of secondary steel beams, wherein two ends of each secondary steel beam are connected to the cylindrical barrels of the adjacent two steel main beams respectively.

Preferably, the steel main beam is manufactured by utilizing a tooling jig frame in multiple groups on site.

Preferably, in the second step, when the steel main beam and the steel secondary beam are installed to form the space curved steel structure, a full framing scaffold is erected as a temporary support structure of the steel main beam and the steel secondary beam.

Preferably, in the fourth step, the adjusting structure comprises a bent steel groove and a rectangular pipe, and an opening of the bent steel groove is arranged upwards;

the bending steel grooves are arranged on the short steel beams and the steel secondary beams, and horizontal deviation is compensated by adjusting the arrangement positions of the bending steel grooves in the width directions of the steel main beams and the steel secondary beams;

the rectangular pipe is connected to the opening of the bending steel groove, and the height deviation is compensated by adjusting the arrangement position of the rectangular pipe in the height direction of the bending steel groove.

Preferably, in the fifth step, an auxiliary frame angle adaptor is connected to the glass panel, the auxiliary frame angle adaptor is pressed and fixed on the adjusting structure through a glass pressing block after the position of the glass panel is adjusted, and the glass pressing block is fixedly connected with the adjusting structure through a machine-made screw.

Preferably, in the fifth step, before the glass panels are fixedly connected with the adjusting structure, the glass panels are subjected to small local pre-splicing, gaps between the glass panels are adjusted, and the glass panels are temporarily fixed.

Preferably, in the sixth step, the sealing treatment method is to fill a foam rod and a sealant in a gap between the glass panels for sealing.

Preferably, in the fourth step, after the adjustment structure is arranged, baffles for shielding the adjustment structure are arranged on two sides of each of the short steel beams and the steel secondary beams in the width direction.

Preferably, before the glass panel is installed, the space curved surface steel structure and the adjusting structure are painted with paint, and finish paint is sprayed.

According to the construction method of the curved surface glass curtain wall ceiling, after the space curved surface steel structure is installed, the spatial position offset of each node on the space curved surface steel structure is measured, and then the adjusting structure for compensating the deviation is arranged on the space curved surface steel structure, so that the requirement on the installation accuracy of the space curved surface steel structure is greatly reduced. Through setting up this adjustment structure, eliminated the horizontal deviation and the high deviation of each node on the space curved surface steel construction, can many working faces parallel construction during the construction, improved the efficiency of construction, greatly reduced the degree of difficulty that space curved surface steel construction and glass panels combine.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 shows a structural schematic diagram of a curved glass curtain wall ceiling after installation is completed.

Fig. 2 shows a structural schematic diagram after the installation of a local space curved steel structure in the construction method of the curved glass curtain wall ceiling according to the embodiment of the invention is completed.

Fig. 3 shows a schematic structural diagram of one of the steel main beams in the construction method of the curved glass curtain wall ceiling according to the embodiment of the invention.

Fig. 4 is a schematic structural view illustrating connection of a glass panel and an adjusting structure in a construction method of a curved glass curtain wall ceiling according to an embodiment of the present invention.

In the figure: the device comprises a main structure embedded part 1, steel columns 2, a space curved surface steel structure 3, a steel main beam 30, a cylindrical barrel 31, a short steel beam 32, a steel secondary beam 33, an adjusting structure 4, a bent steel groove 41, a rectangular pipe 42, a glass pressing block 51, machine-made screws 52, a glass panel 61, a secondary frame angle adapter 62, a baffle 71, angle steel 72, self-tapping screws 73, a sealant 81 and a foam rod 82.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

The invention provides a construction method of a curved glass curtain wall ceiling, which comprises the following steps:

step one, installing a plurality of steel upright posts.

In this step, pour concrete on the ground, set up a plurality of major structure built-in fittings 1 in the concrete that the ground was pour, major structure built-in fitting 1 is including burying the crab-bolt in the concrete underground to and leak the anchor slab on concrete surface outward, each the arrangement position of major structure built-in fitting 1 is confirmed according to the drawing design requirement, and the concrete is once pour the back of accomplishing, adjusts the axis and the elevation of each anchor slab, makes its central point position, levelness and elevation all accord with the drawing design requirement, later pours for the second time. And after the main structure embedded part 1 is solidified, connecting the bottom of the steel upright post 2 to the main structure embedded part 1.

And step two, installing a space curved surface steel structure at the tops of the plurality of steel upright columns, wherein the space curved surface steel structure comprises a plurality of steel main beams and a plurality of steel secondary beams connected between the adjacent steel main beams, and joints are formed at the joints of the steel main beams and the steel secondary beams.

In this step, in order to improve the installation efficiency and the installation quality of the spatial curved surface steel structure 3, the spatial curved surface steel structure 3 is decomposed into a plurality of steel main beams 30, and adjacent steel main beams 30 are connected through a plurality of steel secondary beams 33. Firstly, make a plurality of steel girders 30, steel girder 30 includes a plurality of cylinder 31 and a plurality of short girder steel 32, a plurality of cylinder 31 and a plurality of short girder steel 32 are interval connection in proper order, as shown in fig. 3, be equipped with a cylinder 31 between two adjacent short girder steel 32, cylinder 31 is connected through the welding mode rather than two adjacent short girder steel 32, and be equipped with a short girder steel 32 between two adjacent cylinder 31, short girder steel 32 is connected through the welding mode rather than two adjacent cylinder 31. After the plurality of steel main beams 30 are installed at the top of the steel upright 2, the steel main beams 30 are connected through a plurality of steel secondary beams 33, wherein two ends of each steel secondary beam 33 are respectively connected to the cylindrical cylinders 31 of two adjacent steel main beams 30. When the steel main beam 30 is manufactured, a tooling clamping fixture is manufactured on site, the steel main beam 30 is manufactured by the tooling clamping fixture, a proper tooling clamping fixture is manufactured according to the design requirements of drawings, each cylindrical barrel 31 and the short steel beam 32 connected with the cylindrical barrel 31 are accurately positioned, and the manufactured steel main beam 30 meets the design requirements of the drawings. The steel girder 30 can be made into a plurality of groups simultaneously by utilizing the tool clamping fixture, so that the construction efficiency is improved.

When the steel main beams 30 and the steel secondary beams 33 are installed to form the space curved surface steel structure 3, full framing scaffolds are erected to serve as temporary support structures of the steel main beams 30 and the steel secondary beams 33, the steel main beams 30 are lifted by a crane to be installed on the steel upright posts 2, and the adjacent steel main beams 30 are connected through the steel secondary beams 33. When the steel main beam 30 and the steel secondary beam 33 are connected, spot welding or section welding is firstly carried out for assembly, and then full welding is carried out one by one, so that the space curved surface steel structure 3 formed by installation meets the strength requirement. And after all the welding is finished, the full framing scaffold is dismantled.

And step three, measuring the spatial position offset of each node on the spatial curved surface steel structure according to the drawing design requirement, wherein the spatial position offset comprises horizontal deviation and height deviation.

When the space curved surface steel structure 3 is installed, the steel main beam 30 and the steel secondary beam 33 are welded and assembled with precision and other factors, the space curved surface steel structure 3 can deform, and the deformation displacement condition of the space curved surface steel structure 3 needs to be comprehensively measured. During measurement, the total station is erected at each node (namely the position of the cylindrical barrel 31) of the spatial curved surface steel structure 3 for measurement, the measurement result is recorded and compared with the drawing design requirement, and the spatial position deviation condition of each node, including the horizontal deviation and the height deviation of each node position, is calculated.

And step four, respectively arranging adjusting structures for compensating deviation on the steel main beam and the steel secondary beam of the space curved surface steel structure according to the measuring result in the step three.

In this step, the adjusting structure 4 includes a bending steel groove 41 and a rectangular pipe 42, the bending steel groove 41 is disposed on the short steel beam 32 and the steel secondary beam 33, an opening of the bending steel groove 41 is disposed upward, and a width of the rectangular pipe 42 is matched with a size of the opening of the bending steel groove 41. In this embodiment, the width of the steel beam 32 is 200mm, the rectangular tube 42 is 80mmx40mmx4mm, the bending steel groove 41 is formed by bending a 4mm thick steel plate, and the height of the bending steel groove 41 is 70 mm. The horizontal deviation at the corresponding nodes is compensated through the fixed positions of the bent steel grooves 41 in the width direction of the short steel beams 32 and the steel secondary beams 33, and the height deviation at the corresponding nodes is compensated through the arrangement positions of the rectangular tubes 42 in the height direction of the bent steel grooves 41. The bent steel channel 41 is fixed to the short steel beam 32 and the steel secondary beam 33 by welding, and the rectangular tube 42 is fixed to the bent steel channel 41 by welding.

In order to make the connection position of the ceiling glass panel 61 with the short steel beams 32 and the steel secondary beam 33 beautiful after the curved glass curtain wall ceiling is installed, after the adjustment structure 4 is installed, baffles 71 for shielding the adjustment structure 4 are installed on both sides of each of the short steel beams 32 and the steel secondary beam 33 in the width direction. In this embodiment, the baffle 71 is made of an aluminum single plate with a thickness of 2mm, the top of the baffle is bent, angle steels 72 are welded to two ends of the upper surfaces of the short steel beam 32 and the secondary steel beam 33, and the baffle 71 is fixedly connected to the angle steels 72 through self-tapping screws 73. And sealant 81 is filled in gaps between the baffle plate 71 and the angle steel 72 and gaps between the baffle plate 71 and the short steel beam 32 and the secondary steel beam 33.

Before the glass panel 61 is installed, the space curved surface steel structure 3 and the adjusting structure 4 are coated according to the fireproof requirement, and finish paint is sprayed.

And step five, mounting the glass panel on the adjusting structure.

The side of the glass panel 61 is provided with a sub-frame angle adaptor 62 for mounting and fixing, as shown in fig. 4, which is a schematic structural diagram of the glass panel 61 when connected with the adjusting structure 4. In this embodiment, the glass panel 61 is triangular, the sub-frame angle adapters 62 are disposed on three sides of the glass panel 61, and each side is provided with the sub-frame angle adapters 62 at least at two ends, so that when the glass panel 61 is installed, the glass panel 61 is pre-spliced in small parts, gaps between the glass panels 61 are adjusted, and the glass panels are temporarily fixed. After the position of the glass panel 61 is adjusted, the sub-frame angle adaptor 62 is pressed and fixed on the rectangular tube 42 of the adjusting structure 4 through the glass press block 51, and the glass press block 51 is fixedly connected with the adjusting structure 4 through the machine-made screw 52.

And step six, sealing the gap between the glass panels.

In this step, the sealing treatment method is to fill the gap between the glass panels 61 with the foam rod 82 and the sealant 81 to seal the gap.

According to the construction method of the curved surface glass curtain wall ceiling, after the space curved surface steel structure is installed, the spatial position offset of each node on the space curved surface steel structure is measured, and then the adjusting structure for compensating the deviation is arranged on the steel beam of the space curved surface steel structure, so that the requirement on the installation accuracy of the space curved surface steel structure is greatly reduced. Through setting up this adjustment structure, eliminated the horizontal deviation and the high deviation of each node on the space curved surface steel construction, can many working faces parallel construction during the construction, improved the efficiency of construction, greatly reduced the degree of difficulty that space curved surface steel construction and glass panels combine.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.