CN108951887B - Construction method of assembled type autoclaved lightweight concrete parapet joint - Google Patents
Construction method of assembled type autoclaved lightweight concrete parapet joint Download PDFInfo
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- CN108951887B CN108951887B CN201810518778.XA CN201810518778A CN108951887B CN 108951887 B CN108951887 B CN 108951887B CN 201810518778 A CN201810518778 A CN 201810518778A CN 108951887 B CN108951887 B CN 108951887B
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- parapet
- channel steel
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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
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Abstract
The invention relates to a construction method of an assembled autoclaved lightweight concrete parapet node, which mainly comprises a roof steel beam, an ALC parapet and a roof panel; reinforcing channel steel with inward notches is fixedly arranged on the roof steel beam, and an ALC (autoclaved lightweight concrete) parapet is arranged on the outer side of the roof steel beam and is connected with the reinforcing channel steel by a cross bolt after being attached; a gap is reserved between the roof panel and the reinforcing channel steel and used for pouring a post-cast strip, the space, higher than the roof panel, in the reinforcing channel steel groove is embedded with a backfilling masonry body, a connecting wall is arranged between the upper surface of the reinforcing channel steel and the vertical surface of the ALC parapet, and a deformation coordination piece is arranged between the backfilling masonry body and the ALC parapet. According to the invention, the height of the support point of the ALC parapet is increased, so that the height of the parapet of the plate can be limited to be increased from the original 6 times of plate thickness to 10 times of plate thickness, and the application range of the ALC parapet is expanded.
Description
Technical Field
The invention relates to an assembled Autoclaved Lightweight Concrete (ALC) parapet panel node, which is particularly suitable for the condition that the height of a parapet wall in a steel structure building is more than 6 times of the plate thickness. Belongs to the technical field of assembly type buildings.
Background
With the vigorous popularization of assembly type buildings in China, assembly type plates are increasingly adopted to replace traditional bricklayed and blocky walls in engineering. The ALC board is a short name for an Autoclaved Lightweight Concrete (Autoclaved Lightweight Concrete) board, and is formed by taking fly ash (or silica sand), cement, lime and the like as main raw materials and performing high-pressure steam curing. The ALC board can be used as a wall material and a roof material, is a novel building material with excellent performance, has the characteristics of light weight, high strength, excellent fireproof and heat-insulating properties and the like, and is widely applied to the field of fabricated buildings.
When the parapet of the building adopts ALC plates, the height of the parapet is not more than 6 times of the plate thickness according to the current national atlas regulations of autoclaved aerated concrete block and plate structure 13J104 and the like. In actual conditions, due to special requirements of appearance, functions and the like of different buildings, the height of the parapet wall often exceeds the limit value, particularly, if the thickness of the plate is increased, the construction is not economical and reasonable, and other more effective measures are required to solve the problem that the height of the ALC parapet wall plate exceeds the limit value.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method of an assembled autoclaved lightweight concrete parapet node in the prior art, wherein the height of the parapet of the plate can be limited from the original 6 times of plate thickness to 10 times of plate thickness by lifting the position height of the support point of the ALC parapet, and the application range of the ALC parapet is expanded.
The technical scheme adopted by the invention for solving the problems is as follows: the construction method of the assembled autoclaved lightweight concrete parapet node is characterized by comprising the following steps of: the method specifically comprises the following steps:
firstly, welding a reinforcing channel steel on a roof steel beam, wherein a notch of the reinforcing channel steel is arranged inwards;
secondly, reserving a post-pouring belt at a position close to the reinforced channel steel when the roof panel is poured;
step three, attaching the ALC daughter wallboard to the back of the reinforcing channel steel by utilizing the space provided by the post-cast strip, and connecting the ALC daughter wallboard and the reinforcing channel steel by adopting a pair-through bolt;
step four, after all ALC daughter wallboards are installed, backfilling the post-cast strip of the roof board by non-shrinkage fine aggregate concrete;
step five, reinforcing a gap higher than a roof panel in the channel steel, embedding the gap with a light backfilling masonry, and adopting cement mortar to form a 45-degree inclined plane between the upper surface of the reinforced channel steel and the vertical surface of the ALC (autoclaved lightweight concrete) parapet and trowelling the inclined plane;
and step six, adopting a deformation coordination piece, and connecting one end of the deformation coordination piece to the backfilled masonry body and connecting the other end of the deformation coordination piece to the ALC daughter wallboard, so that the deformation coordination piece and the ALC daughter wallboard are in deformation coordination.
Preferably, the reserved width of the post-cast strip is 100 mm.
Preferably, the non-shrinkage fine-stone concrete adopts the same reference number as the roof panel;
preferably, the light backfill masonry is made of sand aerated building blocks.
Preferably, the deformation coordination piece is made of galvanized steel plates with the thickness of 1.5mm, one end of the deformation coordination piece is connected to the backfilled masonry through a shooting nail, the other end of the deformation coordination piece is connected to the ALC daughter wallboard through a shooting nail, and the deformation coordination piece is completely attached to the backfilled masonry, the cement mortar inclined plane of 45 degrees and the ALC daughter wallboard.
Compared with the prior art, the invention has the advantages that: by improving the height of the support point of the ALC parapet board, the height of the parapet board of the board can be limited to be increased from the original 6 times of board thickness to 10 times of board thickness, and the application range of the ALC parapet board is expanded; and the deformation coordination piece is added at the node position, so that cracks which are easy to appear when the roof coiled material spans different materials are avoided, and the waterproof and leak-proof performance of the node is improved. The node method does not relate to special processes and special materials, has strong operability, and is suitable for the improvement of the ALC parapet of any fabricated steel structure building.
Drawings
Fig. 1-6 are construction flow charts of an assembled autoclaved lightweight concrete parapet node according to an embodiment of the invention.
In the figure, 1 roof steel beam, 2ALC parapet board, 3 roof board, 4 reinforcing channel steel, 5 post-cast strip, 6 pairs of through bolts, 7 backfilling masonry and 8 deformation coordination parts are arranged.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The construction method of the assembled autoclaved lightweight concrete parapet node in the embodiment specifically comprises the following steps:
firstly, as shown in fig. 1, a reinforced channel steel 4 is welded on a roof steel beam 1, and a notch of the channel steel 4 is arranged inwards, namely faces a roof panel 3;
step two, reserving a post-pouring belt 5 with the width of 100mm at a position close to the reinforcing channel steel 4 when the roof panel 3 is poured so as to provide a construction space for subsequent operation;
step three, as shown in fig. 2, the ALC daughter wallboard 2 is attached to the back of the reinforcing channel steel 4 by utilizing the space provided by the post-cast strip 5, the ALC daughter wallboard 2 and the reinforcing channel steel 4 are connected with each other by adopting a pair-through bolt 6, the ALC daughter wallboard 2 is attached to the back of the reinforcing channel steel 4 side by side and is fastened and connected by adopting a pair-through bolt;
step four, as shown in fig. 3, after all ALC parapet panels 2 are installed, backfilling the roof panel post-cast strip 5 with non-shrinkage fine aggregate concrete, wherein the non-shrinkage fine aggregate concrete is of the same reference number as the roof panel;
fifthly, as shown in fig. 4, a gap higher than the roof panel 3 in the reinforced channel steel 4 is embedded with a light backfilling masonry 7, a 45-degree inclined plane is formed between the upper surface of the reinforced channel steel 4 and the vertical plane of the ALC parapet 2 by cement mortar, and the light backfilling masonry 7 is made of sand aerated building blocks;
and step six, as shown in fig. 5, a galvanized steel plate with the thickness of 1.5mm is used as a deformation coordination piece 8, one end of the deformation coordination piece is connected to the backfilling masonry 7 through a shooting nail, the other end of the deformation coordination piece is connected to the ALC daughter wallboard 2 through a shooting nail, so that the deformation coordination piece 8 and the ALC daughter wallboard 2 are coordinated, cracking of the overlying coiled material caused by the difference of the extension performance of different materials is avoided, and the deformation coordination piece 8 is completely attached to the backfilling masonry 7, the cement mortar is made into a 45-degree inclined plane and the ALC.
As shown in fig. 6, after the joint construction is completed according to the above steps, the subsequent coil material laying can be continued according to the conventional method.
Due to the design of the nodes, the position height of the support points of the ALC parapet is improved, so that the height of the parapet of the plate can be limited to be increased from the original 6 times of plate thickness to 10 times of plate thickness, and the application range of the ALC parapet plate is expanded.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (1)
1. The construction method of the assembled autoclaved lightweight concrete parapet node is characterized by comprising the following steps of: the method specifically comprises the following steps:
firstly, welding a reinforcing channel steel on a roof steel beam, wherein a notch of the reinforcing channel steel is arranged inwards;
step two, reserving a post-cast strip at a position close to the reinforced channel steel when the roof panel is poured, wherein the reserved width of the post-cast strip is 100 mm;
step three, attaching the ALC daughter wallboard to the back of the reinforcing channel steel by utilizing the space provided by the post-cast strip, and connecting the ALC daughter wallboard and the reinforcing channel steel by adopting a pair-through bolt;
step four, after all ALC daughter wallboards are installed, backfilling the post-cast strip of the roof board by using non-shrinkage fine aggregate concrete, wherein the non-shrinkage fine aggregate concrete adopts the same reference number as the roof board;
fifthly, reinforcing a gap higher than the roof panel in the channel steel, and embedding the gap with a light backfilling masonry, wherein a 45-degree inclined plane is formed between the upper surface of the reinforced channel steel and the vertical plane of the ALC (autoclaved lightweight concrete) parapet and is trowelled, and the light backfilling masonry is made of sand aerated building blocks;
step six, adopting a deformation coordination piece, connecting one end of the deformation coordination piece to the backfilled masonry, and connecting the other end of the deformation coordination piece to the ALC daughter wallboard, so that the deformation coordination piece and the ALC daughter wallboard are in deformation coordination; the deformation coordination piece is made of galvanized steel plates with the thickness of 1.5mm, one end of the deformation coordination piece is connected to the backfilled masonry through a shooting nail, the other end of the deformation coordination piece is connected to the ALC daughter wallboard through a shooting nail, and the deformation coordination piece is completely attached to the backfilled masonry and the cement mortar which are made into 45-degree inclined planes and the ALC daughter wallboard.
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| CN201810518778.XA CN108951887B (en) | 2018-05-28 | 2018-05-28 | Construction method of assembled type autoclaved lightweight concrete parapet joint |
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| CN201810518778.XA CN108951887B (en) | 2018-05-28 | 2018-05-28 | Construction method of assembled type autoclaved lightweight concrete parapet joint |
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| CN108951887B true CN108951887B (en) | 2020-09-11 |
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| CN110688695B (en) * | 2019-09-06 | 2023-06-16 | 久瓴(江苏)数字智能科技有限公司 | Method and device for generating ALC wall surface node of light steel structure |
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| JP3652344B2 (en) * | 1995-11-22 | 2005-05-25 | クリオン株式会社 | Building wall |
| JP2001065130A (en) * | 1999-08-27 | 2001-03-13 | Sekisui House Ltd | Parapet structure |
| CN203531261U (en) * | 2013-05-20 | 2014-04-09 | 旭化成住宅株式会社 | Waterproof base structure of parapet wall |
| CN106703306B (en) * | 2017-01-19 | 2022-08-02 | 香港华艺设计顾问(深圳)有限公司 | Precast concrete parapet component and connection structure thereof |
| CN107217796B (en) * | 2017-07-28 | 2022-10-25 | 江苏沪宁钢机股份有限公司 | Strong supporting and safe assembled steel structure parapet |
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Address after: 3801, 38 / F, China Construction Science and engineering building, No. 3331, Weilan Coast Community Central Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: China Construction Engineering Group Co.,Ltd. Address before: Room 2701, 27th floor, Zhongjian Steel Building, 3331 Yuehai Street Center Road, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: China Construction Steel Structure Corp.,Ltd. |