CN106759950B - Construction process for prefabricated plate wall I-shaped steel welding joint - Google Patents
Construction process for prefabricated plate wall I-shaped steel welding joint Download PDFInfo
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- CN106759950B CN106759950B CN201710020740.5A CN201710020740A CN106759950B CN 106759950 B CN106759950 B CN 106759950B CN 201710020740 A CN201710020740 A CN 201710020740A CN 106759950 B CN106759950 B CN 106759950B
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- shaped steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000005728 strengthening Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4171—Nailable or non-threaded screwable elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B2001/6195—Connections for building structures in general of slab-shaped building elements with each other the slabs being connected at an angle, e.g. forming a corner
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a construction process of a prefabricated panel wall I-shaped steel welding joint, which is suitable for fixedly connecting a prefabricated panel wall with a floor layer. The prefabricated concrete slab mainly comprises a prefabricated assembled slab wall, a concrete structure layer, node I-shaped steel, welding seams, reserved grooves, pre-buried steel plates, reinforcing ribs and the like. The node I-steel is used as an end node and is integrally manufactured with the prefabricated panel wall in a factory, and the node I-steel is connected and installed with the embedded steel plate with the reinforcing ribs by adopting a welding method during field hoisting. And after the installation is finished, pouring and vibrating the joint of the exposed groove and the joint tightly by using fine aggregate concrete at the reserved groove, and finishing the fixed installation. The invention has reasonable structure, high node strength, high hoisting speed, high installation precision, good node concealment and no influence on the overall appearance, and can realize one-time installation in place.
Description
Technical Field
The invention relates to a fixed mounting structure of a plate wall, in particular to a construction process for an I-shaped steel welding joint of a prefabricated plate wall.
Background
With the continuous development and progress of new building technologies and materials, prefabricated assembled buildings are widely used. In many countries where buildings are industrially developed, prefabricated building structures have been subjected to long-term experiments and applications, and modern prefabricated building products have been able to highly integrate various functions of buildings, and the forms and components of the buildings are very delicate. The construction requirement of China is large, the construction speed is high, and the prefabricated building is necessary to be developed, so that the requirement on the prefabricated structure node structure is higher and higher.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the defects in the prior art, and provides the construction process for the prefabricated assembly type plate wall I-steel welding joint, which has the advantages of reasonable structure, high joint strength, high hoisting speed, high installation precision, capability of realizing one-time installation in place, good joint concealment and no influence on the overall attractiveness.
The technical scheme is as follows: the invention relates to a construction process for a prefabricated assembly type plate wall I-shaped steel welding joint, which comprises the following steps of:
(1) construction of a structural layer: the construction of the structural layer is to reserve a groove and embed bolts on the concrete structural layer according to the design requirement, the bottom of the reserved groove is provided with an embedded steel plate, and a plurality of reinforcing ribs are arranged below the embedded steel plate;
(2) the prefabricated assembled plate wall and the node I-steel are produced in an industrial mode: welding an upper flange plate of the node I-shaped steel with a steel bar in the prefabricated panel wall;
(3) and (3) transportation: in the process that the panel wall is transported from a factory to a hoisting site, the node I-steel is protected, and the influence on the hoisting quality and the hoisting speed due to local deformation or damage of the node caused by improper protection is avoided;
(4) fixing and installing: the node I-steel is connected and installed with an embedded steel plate with reinforcing ribs by adopting a welding method, wherein the plane positioning deviation of the node I-steel is not more than 5 mm;
(5) sealing the groove: covering the sealing grooves with fine stone concrete not lower than C30, and ensuring the pouring and vibrating quality of the node concrete;
(6) and (5) maintaining.
Further, the width of the section of the reserved groove in the step (1) is at least larger than 200mm of the thickness of each side of the prefabricated assembly type plate wall, the depth of the reserved groove is not smaller than 40mm, the width of the embedded steel plate is at least larger than 60mm of each side of the width of the lower flange of the node I-shaped steel, and the thickness of the embedded steel plate is not smaller than 8 mm.
Further, the reinforcing ribs in the step (1) adopt hot-rolled ribbed reinforcing steel bars, the diameter is not less than 20mm, the spacing is not more than 200mm, and the length of anchoring into the concrete structure layer is not less than 500 mm.
Further, if the thickness of the concrete structure layer in the step (1) is less than 500mm, the reinforcing ribs are anchored into the concrete structure layer by 180-degree hooks.
Furthermore, in the step (2), the I-shaped steel is 350 multiplied by 175 multiplied by 7 multiplied by 11mm, for the plate wall with larger thickness, the I-shaped steel is selected according to the actual thickness, and the upper flange of the node I-shaped steel is not less than 60mm extending into the prefabricated assembly type plate wall.
Above-mentioned structure of prefabricated assembled siding wall I-steel welded joint includes prefabricated assembled siding wall, concrete structure layer, node I-steel, welding seam, preformed groove, pre-buried steel sheet and strengthening rib, the one end of node I-steel is pre-buried in the prefabricated assembled siding wall and with the reinforcing bar among the prefabricated assembled siding wall carry out welded fastening, the other end and the pre-buried steel sheet welded fastening of node I-steel, pre-buried steel sheet is established the bottom of preformed groove, pre-buried steel sheet below is equipped with a plurality of strengthening ribs.
Furthermore, the width of the section of the reserved groove is at least larger than 200mm of the thickness of each side of the prefabricated assembly type plate wall, the depth of the reserved groove is not smaller than 40mm, the width of the embedded steel plate is at least larger than 60mm of each side of the width of the lower flange of the node I-shaped steel, and the thickness of the embedded steel plate is not smaller than 8 mm.
Furthermore, the reinforcing ribs are hot-rolled ribbed reinforcing steel bars, the diameter of the reinforcing steel bars is not less than 20mm, the spacing is not more than 200mm, and the length of the reinforcing steel bars anchored into the concrete structure layer is not less than 500 mm.
Furthermore, if the thickness of the concrete structure layer is less than 500mm, the reinforcing ribs should be provided with 180-degree hooks to be anchored into the concrete structure layer.
Furthermore, the node I-steel is 350 multiplied by 175 multiplied by 7 multiplied by 11mm, the I-steel is selected for the plate wall with larger thickness according to the actual thickness, and the upper flange of the node I-steel is not less than 60mm extending into the prefabricated plate wall.
Has the advantages that: the invention has reasonable structure, high node strength, high hoisting speed, high installation precision, good node concealment and no influence on the overall appearance, and can realize one-time installation in place.
Drawings
FIG. 1 is a schematic view of a welded joint structure according to the present invention.
Detailed Description
The structure of a prefabricated assembly type plate wall I-steel welded joint shown in figure 1 comprises a prefabricated assembly type plate wall 1, a concrete structure layer 2, a node I-steel 3, a welding seam 4, a reserved groove 5, a pre-embedded steel plate 6 and reinforcing ribs 7, wherein one end of the node I-steel 3 is pre-embedded in the prefabricated assembly type plate wall 1 and is welded and fixed with reinforcing steel bars in the prefabricated assembly type plate wall 1, the other end of the node I-steel 3 is welded and fixed with the pre-embedded steel plate 6, the pre-embedded steel plate 6 is arranged at the bottom of the reserved groove 5, and the plurality of reinforcing ribs 7 are arranged below the pre-embedded steel plate 6.
The width of the section of the reserved groove 5 is at least larger than 200mm of each side of the thickness of the prefabricated assembly type plate wall 1, the depth of the reserved groove 5 is not smaller than 40mm, the width of the embedded steel plate 6 is at least larger than 60mm of each side of the width of the lower flange of the node I-shaped steel 3, and the thickness of the embedded steel plate 6 is not smaller than 8 mm.
The reinforcing ribs 7 are hot-rolled ribbed reinforcing steel bars, the diameter of each reinforcing steel bar is not less than 20mm, the distance between the reinforcing steel bars is not more than 200mm, and the length of each reinforcing steel bar anchored into the concrete structure layer 2 is not less than 500 mm. If the thickness of the concrete structure layer 2 is less than 500mm, the reinforcing ribs 7 are provided with 180-degree hooks to be anchored into the concrete structure layer 2.
The node I-steel 3 is 350 multiplied by 175 multiplied by 7 multiplied by 11mm, for the plate wall with larger thickness, the I-steel shape selection is carried out according to the actual thickness, and the upper flange of the node I-steel 3 is not less than 60mm extending into the prefabricated assembly type plate wall 1.
The construction method of the structure of the prefabricated assembly type plate wall I-shaped steel welding joint specifically comprises the following steps:
(1) construction of a structural layer: the construction of structural layer should reserve recess and bolt pre-buried according to the design requirement, recess cross-section width is greater than 200mm than each limit of thickness of prefabricated assembled siding wall at least, the recess degree of depth is not less than 40mm, the width of pre-buried steel sheet should be greater than each limit of node I-steel bottom flange width respectively at least and is greater than 60mm, pre-buried steel sheet thickness is not less than 8mm, the strengthening rib adopts hot rolling ribbed steel bar, the diameter is not less than 20mm, the interval is not greater than 200, the length of anchoring in the concrete structural layer is not less than 500mm, if the thickness of concrete structural layer is less than 500mm, the strengthening rib should establish 180 degrees crotch anchor in the concrete structural layer 2.
(2) The prefabricated assembled plate wall and the node I-steel are produced in an industrial mode: and the upper flange plate of the node I-shaped steel is welded with the steel bars in the prefabricated panel wall. Generally, the I-steel is 350 multiplied by 175 multiplied by 7 multiplied by 11mm, for the plate wall with larger thickness, the I-steel can be selected according to the actual thickness, and the upper flange of the node I-steel is not less than 60mm extending into the prefabricated plate wall.
(3) And (5) transporting. In the process of transporting the panel wall to a hoisting site from a factory, the protection of the node I-steel is strengthened, and the influence on the hoisting quality and the hoisting speed due to local deformation or damage of the node caused by improper protection is avoided.
(4) And (7) fixing and installing. The node I-steel is connected and installed with the embedded steel plate with the reinforcing ribs by adopting a welding method, wherein the plane positioning deviation of the node I-steel is not more than 5 mm.
(5) Sealing the groove: and covering the sealing grooves with fine-stone concrete not lower than C30, and ensuring the pouring and vibrating quality of the node concrete.
(6) And (5) maintaining.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. The utility model provides a prefabricated assembled siding wall I-steel welded joint construction technology which characterized in that:
the construction process of the prefabricated assembly type plate wall I-shaped steel welding joint is made based on the structure of the prefabricated assembly type plate wall I-shaped steel welding joint, the structure of the prefabricated assembly type plate wall I-shaped steel welding joint comprises a prefabricated assembly type plate wall (1), a concrete structure layer (2), joint I-shaped steel (3), a welding line (4), a reserved groove (5), a pre-buried steel plate (6) and reinforcing ribs (7), one end of the node I-shaped steel (3) is pre-embedded in the prefabricated panel wall (1) and is welded and fixed with the steel bars in the prefabricated panel wall (1), the other end of the node I-shaped steel (3) is welded and fixed with the embedded steel plate (6), the embedded steel plate (6) is arranged at the bottom of the reserved groove (5), and a plurality of reinforcing ribs (7) are arranged below the embedded steel plate (6);
the construction process comprises the following steps:
(1) construction of a structural layer: the construction of the structural layer is to reserve a groove on the concrete structural layer according to the design requirement, the bottom of the reserved groove is provided with an embedded steel plate, a plurality of reinforcing ribs are arranged below the embedded steel plate, the reinforcing ribs are hot-rolled ribbed reinforcing steel bars, the diameter of the reinforcing ribs is not less than 20mm, the distance between the reinforcing ribs and the concrete structural layer is not more than 200, and the length of the reinforcing ribs anchored in the concrete structural layer is not less than 500 mm; the width of the section of the reserved groove (5) is at least more than 200mm than that of each side of the thickness of the prefabricated panel wall (1), the depth of the reserved groove (5) is not less than 40mm, the width of the embedded steel plate (6) is at least more than 60mm than that of each side of the width of the lower flange of the node I-shaped steel (3), and the thickness of the embedded steel plate (6) is not less than 8 mm;
(2) the prefabricated assembled plate wall and the node I-steel are produced in an industrial mode: welding an upper flange plate of the node I-shaped steel with a steel bar in the prefabricated panel wall;
(3) and (3) transportation: in the process that the panel wall is transported from a factory to a hoisting site, the node I-steel is protected, and the influence on the hoisting quality and the hoisting speed due to local deformation or damage of the node caused by improper protection is avoided;
(4) fixing and installing: the node I-steel is connected and installed with an embedded steel plate with reinforcing ribs by adopting a welding method, wherein the plane positioning deviation of the node I-steel is not more than 5 mm;
(5) sealing the groove: covering the sealing grooves with fine stone concrete not lower than C30, and ensuring the pouring and vibrating quality of the node concrete;
(6) and (5) maintaining.
2. The construction process of the prefabricated plate wall I-steel welding joint according to claim 1, characterized in that: if the thickness of the concrete structure layer in the step (1) is less than 500mm, the reinforcing ribs are provided with 180-degree hooks to be anchored into the concrete structure layer.
3. The construction process of the prefabricated plate wall I-steel welding joint according to claim 1, characterized in that: in the step (2), the I-shaped steel is 350 multiplied by 175 multiplied by 7 multiplied by 11mm, for the plate wall with larger thickness, the I-shaped steel is selected according to the actual thickness, and the upper flange of the node I-shaped steel is not less than 60mm extending into the prefabricated assembly type plate wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020740.5A CN106759950B (en) | 2017-01-12 | 2017-01-12 | Construction process for prefabricated plate wall I-shaped steel welding joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710020740.5A CN106759950B (en) | 2017-01-12 | 2017-01-12 | Construction process for prefabricated plate wall I-shaped steel welding joint |
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| CN106759950A CN106759950A (en) | 2017-05-31 |
| CN106759950B true CN106759950B (en) | 2020-06-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107355027B (en) * | 2017-08-30 | 2023-08-08 | 新疆中鼎建设集团有限公司 | Section steel concrete shear wall assembly type space modularized structural system and construction method |
| CN110397198B (en) * | 2019-07-30 | 2021-01-29 | 中山建华墙体材料有限公司 | Assembled precast concrete floor |
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Effective date of registration: 20230627 Address after: Room 439, Building 1, No. 299, Zhongchen Road, Songjiang District, Shanghai, 201600 Patentee after: Shanghai Qingyuan home furnishing Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230627 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 226000 No. 87 Youth Middle Road, Nantong City, Jiangsu Province Patentee before: JIANGSU College OF ENGINEERING AND TECHNOLOGY |