CN211229041U - Assembled concrete structure wall-column concrete filled steel tube key connecting structure - Google Patents
Assembled concrete structure wall-column concrete filled steel tube key connecting structure Download PDFInfo
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- CN211229041U CN211229041U CN201921648208.9U CN201921648208U CN211229041U CN 211229041 U CN211229041 U CN 211229041U CN 201921648208 U CN201921648208 U CN 201921648208U CN 211229041 U CN211229041 U CN 211229041U
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Abstract
The utility model relates to a prefabricated concrete structure building field specifically is a prefabricated concrete structure wall-post concrete-filled steel tube key connection structure. The main structure includes: the prefabricated shear wall is positioned between the two prefabricated columns, the prefabricated columns correspond to the prefabricated wall-column embedded parts of the prefabricated shear wall, and the prefabricated wall-column embedded parts which are oppositely arranged are connected through a steel pipe concrete key. The utility model discloses prefabricated post and prefabricated shear wall structure through setting up prefabricated wall-post built-in fitting and steel pipe concrete key, accomplishes the transmission of wall-intercolumniation connecting portion shear force. Grouting materials can be injected into the joint gaps of the wall columns after assembly, and the reliability and compactness of connection are guaranteed. The wall-column concrete-filled steel tube key-connected member has high strength and can meet the design requirement of strong connection. Experiments show that the component has the advantages of high initial rigidity, high deformability, high ductility, high energy consumption and high seismic performance of the whole wall body.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a prefabricated concrete structure building field specifically is a prefabricated concrete structure wall-post concrete-filled steel tube key connection structure.
[ background of the invention ]
The prefabricated concrete structure has the advantages of high construction speed, energy conservation, environmental protection, small field wet operation amount and the like, and is rapidly developed in China in recent years. A concrete frame-shear wall structure (frame shear structure for short) is one of the main structural forms of a fabricated concrete structure. Therefore, how to disassemble the connecting frame shear structure and form a fabricated system becomes an important issue concerned by civil engineers. In the past, the method of connecting the wall and the column mainly adopts steel bars and then pouring concrete or grouting material at the connecting part, the construction process is complicated, the construction speed is slow, the maintenance period is long, and the quality of the connecting part is not easy to guarantee. Therefore, the inventor has invented a key groove connecting structure of an assembled concrete frame shear wall (patent number: CN201721289243.7), a staggered layer connecting structure of an assembled frame shear structure column (patent number: CN201721656565.0), a staggered layer connecting structure of an assembled frame shear structure wall (patent number: CN201721657276.2) and a bending shear type combined key groove connecting structure of an assembled frame shear structure (patent number: CN201721282484.9), which meet the engineering requirements, but have lower rigidity and larger horizontal deformation during the action of a horizontal earthquake. In order to improve the problems, the inventor provides a more practical horizontal connecting structure and assembling method of the assembly type concrete frame shear system.
[ Utility model ] content
An object of the utility model is to provide an assembled concrete structure wall-post steel pipe concrete key connection structure is guaranteeing under the prerequisite of connecting between various precast concrete component, improves construction speed and construction quality greatly.
The technical scheme of the utility model:
a fabricated concrete structure wall-column concrete filled steel tube key connecting structure, comprising: prefabricated post and prefabricated shear force wall, prefabricated shear force wall are located between two prefabricated posts, and prefabricated post corresponds with prefabricated wall-post built-in fitting of prefabricated shear force wall, connects through the steel pipe concrete key-type between the prefabricated wall-post built-in fitting that sets up relatively, wherein:
the prefabricated wall-column embedded part consists of an anchoring steel plate, a bottom steel plate and a shear-resistant steel plate, wherein the shear-resistant steel plate is respectively arranged on one side of the bottom steel plate in an up-down parallel manner, and the anchoring steel plate is in a U-shaped lacing wire shape and is symmetrically arranged on the other side of the bottom steel plate in an up-down manner;
the prefabricated column is composed of prefabricated column longitudinal stress bars, prefabricated column stirrups, vertical steel bar sleeves and prefabricated wall-column embedded parts poured concrete, eight prefabricated column longitudinal stress bars which are arranged in a square shape are connected through the prefabricated column stirrups to form a prefabricated column steel bar framework, the bottom of each prefabricated column longitudinal stress bar is sleeved with the vertical steel bar sleeve, the prefabricated wall-column embedded parts are uniformly welded on one side surface of the prefabricated column steel bar framework from top to bottom, the concrete is poured on the inner side and the outer side of the prefabricated column steel bar framework, the concrete is poured to the outer side edge of the prefabricated wall-column embedded parts, and the shear-resistant steel plates of the prefabricated wall-column embedded parts are exposed out of the prefabricated column steel bar framework;
the prefabricated shear wall is composed of shear wall longitudinal stress steel bars, shear wall transverse stress steel bars, shear wall constraint edge component stirrups, quincuncial steel bars and prefabricated wall-column embedded part poured concrete, two rows of shear wall longitudinal stress steel bars are oppositely arranged in parallel, each row of shear wall longitudinal stress steel bars are connected through the shear wall transverse stress steel bars, the oppositely arranged shear wall transverse stress steel bars are connected through the quincuncial steel bars, the shear wall constraint edge component stirrups are arranged at the edges of two sides of the two rows of shear wall longitudinal stress steel bars in an up-and-down parallel mode, and each shear wall constraint edge component stirrup is connected with four shear wall longitudinal stress steel bars in a binding mode to form a prefabricated shear wall steel bar framework; the prefabricated shear wall comprises a prefabricated shear wall steel bar framework, prefabricated wall-column embedded parts, an anchoring steel plate, a prefabricated shear wall steel bar framework, a prefabricated shear wall-column embedded part and a prefabricated shear wall steel bar framework, wherein the prefabricated shear wall steel bar framework is provided with the prefabricated wall-column embedded parts, the prefabricated wall-column embedded parts are arranged on the two sides of the prefabricated shear wall steel bar framework, the anchoring steel plate on one side of the prefabricated wall-column embedded part is inserted into the prefabricated shear wall steel bar framework and fixed through welding, concrete is poured on the inner side and the outer side of the prefabricated shear wall steel.
The prefabricated concrete structure wall-column concrete-filled steel tube key connection structure is characterized in that a concrete-filled steel tube key is formed by injecting concrete into a rectangular steel tube, and the concrete-filled steel tube key is connected with prefabricated wall-column embedded parts on two sides through welding.
The assembled concrete structure wall-column concrete-filled steel tube key connection structure is characterized in that end steel plates are welded on two sides of a concrete-filled steel tube key, two shear-resistant steel plates of a prefabricated wall-column embedded part are L-shaped ribbed plates, the upper and lower parallel L-shaped ribbed plates respectively form clamping grooves with a bottom steel plate, the upper and lower clamping grooves are opposite, and the end steel plates are inserted and matched; inserting end steel plates of the concrete-filled steel tube keys into corresponding clamping grooves between the precast wall-column embedded parts in the precast columns and the precast wall-column embedded parts in the precast shear walls, enabling the precast wall-column embedded parts in the precast columns to be tightly attached to the precast wall-column embedded parts in the precast shear walls and the concrete-filled steel tube keys, and completing the connection of the concrete-filled steel tube keys between the precast columns and the precast shear walls through welding and fixing;
or, removing the steel plates at the welding ends at the two sides of the concrete-filled steel tube key and the two shear-resistant steel plates of the prefabricated wall-column embedded part; and correspondingly placing the concrete-filled steel tube key between the prefabricated wall-column embedded part in the prefabricated column and the prefabricated wall-column embedded part in the prefabricated shear wall, enabling the prefabricated wall-column embedded part in the prefabricated column to be in close contact with the prefabricated wall-column embedded part in the prefabricated shear wall and the end steel plate of the concrete-filled steel tube key, and welding and fixing the contact part of the end steel plate and the bottom steel plate to complete the connection of the concrete-filled steel tube key between the prefabricated column and the prefabricated shear wall.
According to the wall-column concrete-filled tube key connection structure with the prefabricated concrete structure, the prefabricated reinforced concrete blocks and the concrete filling blocks are inserted into gaps among the prefabricated wall-column embedded parts, the prefabricated columns and the prefabricated shear wall along with the shapes of the prefabricated reinforced concrete blocks and the concrete filling blocks, and filling of the gap positions of the connection positions of the prefabricated columns and the prefabricated shear wall is completed.
The prefabricated concrete structure wall-column concrete-filled steel tube key connection structure is characterized in that a prefabricated reinforced concrete block is located between two adjacent concrete-filled steel tube keys from top to bottom, concrete filling blocks are located at the top of the uppermost concrete-filled steel tube key and the bottom of the lowermost concrete-filled steel tube key respectively, notches are formed in two sides of the lower portion of the top concrete filling block respectively, notches are formed in two sides of the upper portion of the bottom concrete filling block respectively, and gaps are formed between the notches in two sides of each concrete filling block and a prefabricated shear wall and a prefabricated column respectively.
Assembled concrete structure wall-post steel pipe concrete key-type connection structure, prefabricated reinforced concrete piece is indulged the muscle by reinforced concrete piece stirrup, reinforced concrete piece and is pour the concrete and constitute, four reinforced concrete pieces are indulged the muscle and are followed vertical even setting, its transversal square structure of arranging of personally submitting, reinforced concrete piece indulges the outside of muscle and connects fixedly through the reinforced concrete piece stirrup that upper and lower level arranged, form steel reinforcement framework, concrete placement in steel reinforcement framework's inboard and outside.
The prefabricated cover plate comprises cover plate transverse distribution ribs, cover plate longitudinal distribution ribs and steel base plates, and a row of parallel opposite cover plate transverse distribution ribs and a row of parallel opposite cover plate longitudinal distribution ribs are in cross binding connection to form a steel reinforcement framework net; the steel backing plates are welded on two sides of the cover plate longitudinal distribution ribs respectively between two adjacent cover plate transverse distribution ribs on the upper portion of the steel reinforcement framework net, the steel backing plates are welded on two sides of the cover plate longitudinal distribution ribs respectively between two adjacent cover plate transverse distribution ribs on the lower portion of the steel reinforcement framework net, concrete is poured on the inner side and the outer side of the steel reinforcement framework net, two side faces of the steel backing plate with a central hole are exposed out of the outer side of the steel reinforcement framework net, and the position of a center hole of each steel backing plate corresponds to the position of a gap between a prefabricated shear wall, a prefabricated column and a concrete filling.
The utility model has the advantages and beneficial effects that:
1. the utility model discloses prefabricated post and prefabricated shear force wall sets up built-in fitting and steel pipe concrete key through at prefabricated shear force wall and prefabricated column connection part, through the welding mode, accomplishes the transmission of wall-intercolumniation connection shear force, further strengthens overall structure's wholeness, shock resistance.
2. The utility model discloses the part that the preparation required precision is high, including core prefabricated component such as prefabricated post, prefabricated shear force wall and steel pipe concrete key, all accomplish in the mill. The difficulty requirement of on-site assembling and welding is not high, the learning cost of constructors can be saved, and the construction efficiency is greatly improved.
3. The utility model discloses a large amount of assembly welding operation, than original cast-in-place operation significantly reduced, have assembled concrete structure's such as energy-concerving and environment-protective and economic safety advantage.
Drawings
Fig. 1 is a three-dimensional view of a prefabricated column vertical rebar sleeve.
Fig. 2 is a three-dimensional view of a concrete filled steel tube key.
FIG. 3 is a three-dimensional view of a prefabricated wall-column embedment.
Fig. 4 is a three-dimensional view of the arrangement of the reinforcing cage of the prefabricated column.
Fig. 5 is a three-dimensional view of the prefabricated wall-column embedded part and the prefabricated column reinforcement cage after installation.
FIG. 6 is a three-dimensional view of a prefabricated column.
Fig. 7 is a three-dimensional layout of a reinforcement cage of a prefabricated shear wall.
Fig. 8 is a three-dimensional view of the prefabricated wall-column embedded part and the prefabricated shear wall steel reinforcement framework after being installed.
FIG. 9 is a three-dimensional view of a precast shear wall.
Fig. 10 is a three-dimensional view of the prefabricated column and the prefabricated shear wall combination after the hoisting is finished.
Fig. 11 is a three-dimensional view of a concrete filled steel tube key installation process.
Fig. 12 is a three-dimensional view of the concrete filled steel tube key after installation.
Fig. 13 is a three-dimensional view of the arrangement of the reinforcement cage of the reinforced concrete block.
Fig. 14 is a three-dimensional view of a prefabricated reinforced concrete block.
FIG. 15 is a three-dimensional view of the installation process of the precast reinforced concrete block.
FIG. 16 is a three-dimensional view of a precast concrete filled block.
FIG. 17 is a three-dimensional view of a process for prefabricating a filled concrete block.
Fig. 18 is a three-dimensional view of the completed installation of the precast reinforced concrete block and the precast filled concrete block.
Fig. 19 is a three-dimensional view of the reinforcement bar arrangement of the cover plate.
Fig. 20 is a three-dimensional view of a prefabricated cover panel.
Fig. 21 is a three-dimensional view of the cover plate installation process.
Fig. 22 is a three-dimensional view of the cover plate installation completion.
Fig. 23 is a three-dimensional view of a prefabricated wall-column after gypsum trowelling.
FIG. 24 is a three-dimensional view of another embodiment concrete filled steel tube key.
FIG. 25 is a three-dimensional view of another embodiment prefabricated wall-column embedment.
FIG. 26 is a three-dimensional view of another embodiment concrete filled steel tube key and precast wall-column embedment combined link.
FIG. 27 is a three-dimensional view of yet another embodiment prefabricated wall-column embedment.
FIG. 28 is a three-dimensional view of a connector of yet another embodiment concrete filled steel tube key and precast wall-column embedment combination.
In the figure, 1 a vertical steel bar sleeve; 2, a steel pipe concrete key; 3, concrete; 4, shearing resistant steel plates; 5, a bottom steel plate; 6 anchoring a steel plate; 7 prefabricating a column longitudinal stress rib; 8, prefabricating column stirrups; 9 prefabricating a wall-column embedded part; 10, prefabricating a column; 11 longitudinal stress ribs of the shear wall; 12 transverse stress ribs of the shear wall; 13 the shear wall restrains the edge member stirrup; 14, a quincuncial rib; 15 prefabricating a shear wall; 16 reinforced concrete block stirrups; 17 longitudinal bars of the reinforced concrete block; 18 prefabricating a reinforced concrete block; 19 concrete filling blocks; 20, longitudinally distributing ribs on the cover plate; 21 a steel backing plate; 22 transverse distribution ribs of the cover plate; 23, prefabricating a cover plate; a 24-end steel plate; 25L-shaped rib plates; 26 gaps; 27 is notched.
Detailed Description
As shown in fig. 1-22, the utility model discloses prefabricated component such as prefabricated wall-post concrete key connection structure of prefabricated concrete structure wall, mainly include prefabricated wall-post built-in fitting 9, concrete-filled steel tube key 2, prefabricated post 10, prefabricated shear wall 15, prefabricated apron 23, prefabricated wall-post built-in fitting 9 of prefabricated shear wall 15 both sides is corresponding with prefabricated wall-post built-in fitting 9 of prefabricated post 10 one side respectively, between the prefabricated wall-post built-in fitting 9 that corresponds on prefabricated shear wall 15 and the prefabricated post 10, connect through concrete-filled steel tube key 2.
Firstly, as shown in fig. 3, the concrete structure and manufacturing process of the prefabricated wall-column embedded part 9 are as follows:
the concrete structure of the prefabricated wall-column embedded part 9 is as follows: the prefabricated wall-column embedded part is of an integrated structure consisting of a shear-resistant steel plate 4, a bottom steel plate 5 and an anchoring steel plate 6, wherein the shear-resistant steel plate 4 and the anchoring steel plate 6 are respectively arranged on one side of the bottom steel plate 5 in an up-and-down parallel mode. The shear steel plate 4 is a rectangular square, the bottom steel plate 5 is a rectangular plate, and the anchoring steel plate 6 is in a U-shaped strip lacing wire type.
The manufacturing process of the prefabricated wall-column embedded part 9 is as follows:
(1) the shear steel plates 4 are arranged on one side of the bottom steel plate 5 in an up-down parallel mode, and the distance between the upper edges and the lower edges of the shear steel plates 4 is the height of the concrete-filled steel tube keys 2; during assembly, the concrete-filled steel tube key 2 is inserted between the corresponding upper and lower edges of the two shear-resistant steel plates 4 and is fixed by welding.
(2) The anchoring steel plates 6 are arranged on the other side of the bottom steel plate 5 in an up-down parallel mode, and the center distance of the anchoring steel plates 6 is the height of the concrete filled steel tube key 2.
Structural description of prefabricated wall-column embedment 9:
(1) when the thickness of the shear steel plate 4 is less than 4cm, a slope surface does not need to be arranged on one side of the shear steel plate 4 close to the concrete-filled steel tube key 2; when 4 thickness of steel sheet that shears is greater than 4cm, for letting 4 and 2 welding connection nature of steel pipe concrete key that shear steel sheet and steel pipe concrete key better, 4 steel sheet that shear steel closes on 2 one sides of steel pipe concrete key must set up the slope, guarantee the better transmission of shear force.
(2) In order to meet the actual construction requirements, the distance between the upper edge and the lower edge of the shear steel plate 4 can be slightly larger than the height of the concrete-filled steel tube key 2;
(II) as shown in FIG. 2, concrete structure and manufacturing process of the steel tube concrete key 2 are as follows:
concrete-filled steel tube key 2's concrete structure: the concrete-filled steel tube key 2 is composed of a rectangular steel tube and concrete, and the concrete 3 is filled in the rectangular steel tube.
The manufacturing process of the steel tube concrete key 2 is as follows:
(1) cutting the rectangular steel pipe according to the planned size;
(2) and after the rectangular steel pipe is cut, injecting concrete 3 and tamping to finish the manufacture of the concrete-filled steel pipe key 2.
Structural description of concrete-filled steel tube bond 2:
in order to ensure the firmness of the subsequent welding process, the height of the concrete 3 in the concrete-filled steel tube key can be slightly lower than the edge of the rectangular steel tube.
(III) as shown in FIG. 1, FIG. 3-FIG. 6, the concrete structure and manufacturing process of the prefabricated column 10 are as follows:
the concrete structure of the prefabricated column 10: the prefabricated column 10 is by the vertical atress muscle 7 of prefabricated column, prefabricated column stirrup 8, vertical steel sleeve 1 and prefabricated wall-post built-in fitting 9 concreting are constituteed, the vertical atress muscle 7 of a plurality of prefabricated columns evenly sets up along vertical, its transversal square structure of arranging of personally submitting, the lower extreme of every vertical atress muscle 7 of prefabricated column is inserted and is located vertical steel sleeve 1, the outside of the vertical atress muscle 7 of prefabricated column and vertical steel sleeve 1 is connected fixedly through the prefabricated column stirrup 8 of upper and lower horizontal arrangement, form prefabricated column steel skeleton. The prefabricated wall-column embedded parts 9 are uniformly arranged on one side of the prefabricated column reinforced frame from top to bottom, the anchoring steel plates 6 on one side of the prefabricated wall-column embedded parts 9 are inserted into the prefabricated column reinforced frame and fixed by welding, concrete is poured on the inner side and the outer side of the prefabricated column reinforced frame, and the shear-resistant steel plates 4 on the other side of the prefabricated wall-column embedded parts 9 are exposed out of the outer side of the prefabricated column reinforced frame.
The fabrication process of the prefabricated column 10 is as follows:
(1) inserting the lower end of the longitudinal stress rib 7 of the prefabricated column into the vertical steel bar sleeve 1 to complete the installation of the vertical steel bar sleeve 1;
(2) arranging eight prefabricated column longitudinal stress bars 7 in a square shape, binding the prefabricated column stirrups 8 to form a prefabricated column reinforcement framework, and finishing the reinforcement arrangement of the prefabricated column 10;
(3) uniformly arranging the prefabricated wall-column embedded parts 9 on one side surface of the prefabricated column reinforcement framework from top to bottom in parallel to complete the arrangement of the prefabricated wall-column embedded parts 9;
(4) and finally, supporting a template outside the precast column reinforcement framework in the precast column 10, pouring concrete, pouring the concrete in the template to the outer edge of the precast wall-column embedded part 9, and removing the template after the concrete is solidified to finish the manufacture of the precast column 10.
Structural description of prefabricated column 10:
(1) a part of the upper end of the prefabricated column longitudinal stress rib 7 is reserved, the length of the reserved part is slightly smaller than the height of the prefabricated column vertical steel bar sleeve 1, and when the upper prefabricated column and the lower prefabricated column are connected, the prefabricated column vertical steel bar sleeve of the upper prefabricated column is fully connected with the reserved part of the prefabricated column longitudinal stress rib 7 of the lower prefabricated column;
(2) an anchoring steel plate 6 of the prefabricated wall-column embedded part 9 is welded on a column longitudinal stress bar 7, and if errors occur in actual construction production, a reinforcing steel bar strip can be additionally added for welding, so that the welding firmness of the prefabricated wall-column embedded part 9 is ensured;
(3) in the actual engineering, in order to avoid concrete damage of the precast columns 10 due to stress concentration, the precast wall-column embedded parts 9 should be arranged at proper vertical intervals, so that shearing force is better and uniformly distributed along the wall body.
(IV) as shown in fig. 7 to 9, the concrete structure and manufacturing process of the prefabricated shear wall 15 are as follows:
the concrete structure of the prefabricated shear wall 15 is as follows: the prefabricated shear wall 15 is formed by pouring concrete on longitudinal shear wall stress steel bars 11, transverse shear wall stress steel bars 12, shear wall constraint edge component stirrups 13, quincuncial steel bars 14 and prefabricated wall-column embedded parts 9, the longitudinal shear wall stress steel bars 11 in two rows are arranged in parallel and oppositely, the longitudinal shear wall stress steel bars 11 in each row are connected through the transverse shear wall stress steel bars 12, the transverse shear wall stress steel bars 12 in the oppositely arranged rows are connected through the quincuncial steel bars 14, the shear wall constraint edge component stirrups 13 are arranged on the edges of two sides of the longitudinal shear wall stress steel bars 11 in the two rows in an up-and-down parallel mode, and each shear wall constraint edge component stirrup 13 is bound and connected with the four longitudinal shear wall stress steel bars 11 to form a prefabricated shear wall steel bar framework. The prefabricated wall-column embedded parts 9 are uniformly arranged on the upper and lower sides of the two sides of the prefabricated shear wall steel reinforcement framework, the anchoring steel plates 6 on one sides of the prefabricated wall-column embedded parts 9 are inserted into the prefabricated shear wall steel reinforcement framework and fixed through welding, concrete is poured on the inner side and the outer side of the prefabricated shear wall steel reinforcement framework, and the shear steel plates 4 on the other sides of the prefabricated wall-column embedded parts 9 are exposed out of the outer side of the prefabricated shear wall steel reinforcement framework.
The manufacturing process of the prefabricated shear wall 15 is as follows:
(1) firstly, longitudinal stress bars 11 of the shear wall are oppositely arranged along the vertical direction in parallel, and two rows of longitudinal stress bars 11 on the outer side edge of the shear wall are bound with the shear wall restraining edge member stirrups 13 in parallel up and down.
(2) Then arranging and binding transverse stress bars 12 of the shear wall, and binding and connecting the oppositely arranged transverse stress bars 11 of the shear wall through the quincuncial ribs 14 to form a prefabricated shear wall reinforcement framework;
(3) secondly, the prefabricated wall-column embedded parts 9 are uniformly arranged on two side surfaces of the prefabricated shear wall steel bar framework from top to bottom in parallel, the anchoring steel plates 6 of the prefabricated wall-column embedded parts 9 are welded on the prefabricated shear wall steel bar framework of the prefabricated shear wall 15, the prefabricated wall-column embedded parts 9 of the prefabricated shear wall 15 are vertically and uniformly distributed on two side edges of the prefabricated shear wall steel bar framework and correspond to the prefabricated wall-column embedded parts 9 of the prefabricated columns 10, and the arrangement of the prefabricated wall-column embedded parts 9 is completed;
(4) finally, a formwork is erected on the outer side of the prefabricated shear wall steel reinforcement framework, concrete is poured, and the concrete is poured to the outer side edge of the prefabricated wall-column embedded part 9 in the formwork; and (5) removing the template after the concrete is solidified, and finishing the manufacturing of the prefabricated shear wall 15.
Structural description of the prefabricated shear wall 15:
(1) the anchoring steel plates 6 of the prefabricated wall-column embedded parts 9 are welded on the longitudinal stress ribs 11 of the shear wall on the two sides, and if errors occur in actual production, reinforcing steel bars can be additionally added for welding, so that the welding firmness of the prefabricated wall-column embedded parts 9 is ensured;
(2) in factory production, concrete should be poured to the outside surface of the precast wall-column embedded part 9 in the form, and should be tamped and leveled. After the concrete reaches the expected strength, the template is removed, the prefabricated shear wall is manufactured, and the strength requirement of the member is ensured;
(3) the arrangement of the precast wall-column embedded parts 9 of the precast shear wall 15 should be the same as the arrangement requirements of the precast wall-column embedded parts 9 of the precast columns 10.
As shown in fig. 19 to 22, the concrete structure and manufacturing process of the prefabricated cover plate 23 at the outer side of the connection portion between the prefabricated column 10 and the prefabricated shear wall 15 are as follows:
the concrete structure of the prefabricated cover plate 23: a prefabricated cover plate 23 is arranged on the outer side of the connecting part between the prefabricated column 10 and the prefabricated shear wall 15, the prefabricated cover plate 23 is composed of cover plate transverse distribution ribs 22, cover plate longitudinal distribution ribs 20 and steel backing plates 21, and a row of cover plate transverse distribution ribs 22 and a row of cover plate longitudinal distribution ribs 20 are in cross binding connection to form a steel reinforcement framework net; the steel reinforcement cage net is characterized in that steel base plates 21 are welded between two adjacent cover plate transverse distribution ribs 22 on the upper portion of the steel reinforcement cage net and on two sides of the cover plate longitudinal distribution ribs 20 respectively, steel base plates 21 are welded between two adjacent cover plate transverse distribution ribs 22 on the lower portion of the steel reinforcement cage net and on two sides of the cover plate longitudinal distribution ribs 20 respectively, concrete is poured on the inner side and the outer side of the steel reinforcement cage net, the outer side of the steel reinforcement cage net is exposed on two side faces of the steel base plate 21 with a central hole, and the position of a central hole of each steel base plate 21 corresponds to the position of a gap 26 between each prefabricated shear wall 15 and each prefabricated column 10.
The manufacturing process of the outer prefabricated cover plate 23 at the connecting part between the prefabricated column 10 and the prefabricated shear wall 15 is as follows:
(1) firstly, binding cover plate longitudinal distribution ribs 20 and cover plate transverse distribution ribs 22 to form a steel reinforcement framework net, and welding a steel backing plate 21;
(2) and then, erecting a formwork on the outer side of the steel reinforcement framework net, and pouring concrete to finish the manufacture of the prefabricated cover plate on the outer side of the connecting part between the prefabricated column 10 and the prefabricated shear wall 15.
Description of the structure of the prefabricated cover panel 23:
(1) the steel backing plate 21 is welded between two adjacent cover plate transverse distribution ribs 22 in the steel reinforcement framework net, and the specific connecting position corresponds to a gap 26 between the prefabricated shear wall 15, the prefabricated column 10 and the concrete filling block 19;
(2) and (4) removing the template after the concrete reaches the expected strength, and ensuring the strength requirement of the member.
The main prefabricated parts are prefabricated in a factory and then transported to a construction site for assembly, and the specific hoisting process is as follows:
firstly, as shown in fig. 10, the two precast columns 10 and one precast shear wall 15 are hoisted in place, and the precast shear wall 15 is located between the two precast columns 10.
Secondly, as shown in fig. 10 to 12, a concrete-filled steel tube key 2 is inserted into a corresponding position between the precast wall-column embedded part 9 in the precast column 10 and the precast wall-column embedded part 9 in the precast shear wall 15, so that the precast wall-column embedded part 9 in the precast column 10 is in close contact with the precast wall-column embedded part 9 and the concrete-filled steel tube key 2 in the precast shear wall 15, and then welding is performed, thereby completing the connection of the concrete-filled steel tube key 2 between the precast column 10 and the precast shear wall 15.
And thirdly, as shown in fig. 13 to 18, inserting prefabricated reinforced concrete blocks 18 and concrete filling blocks 19 into the gaps between the prefabricated wall-column embedded parts 9 and the prefabricated columns 10 and the prefabricated shear walls 15 in a conformal manner to complete filling of the gap positions of the connecting parts of the prefabricated columns 10 and the prefabricated shear walls 15.
The prefabricated reinforced concrete blocks 18 are located between two adjacent steel pipe concrete keys 2 up and down, the concrete filling blocks 19 are located at the tops of the uppermost steel pipe concrete keys 2 and the bottoms of the lowermost steel pipe concrete keys 2 respectively, notches 27 are formed in two sides of the lower portions of the top concrete filling blocks 19 respectively, notches 27 are formed in two sides of the upper portions of the bottom concrete filling blocks 19 respectively, and gaps 26 are formed between the notches 27 in two sides of each concrete filling block 19 and the prefabricated shear wall 15 and between the prefabricated column 10 respectively.
As shown in fig. 13-14, the prefabricated reinforced concrete block 18 is composed of reinforced concrete block stirrups 16 and reinforced concrete block longitudinal reinforcements 17 cast with concrete, the four reinforced concrete block longitudinal reinforcements 17 are uniformly arranged along the vertical direction, the cross sections of the four reinforced concrete block longitudinal reinforcements are of a square arrangement structure, the outer sides of the reinforced concrete block longitudinal reinforcements 17 are fixedly connected through the reinforced concrete block stirrups 16 which are horizontally arranged from top to bottom to form a steel reinforcement framework, and the concrete is cast on the inner side and the outer side of the steel reinforcement framework.
And (IV) as shown in fig. 19 to 22, outside the corresponding positions of the connection parts of the precast columns 10 and the precast shear walls 15, installing precast cover plates 23 on the outer sides of the connection parts between the precast columns 10 and the precast shear walls 15, firstly placing the precast cover plates 23 on the outer sides of the connection parts between the precast columns 10 and the precast shear walls 15 at the corresponding vacant positions of the connection parts, then sequentially penetrating steel padding plates 21 on the precast cover plates 23 on the outer sides of the connection parts between the front and rear two corresponding precast columns 10 and the precast shear walls 15 with penetrating steel bars, and fixing the two ends of the penetrating steel bars with nuts to complete the fixed installation of the precast cover plates 23 on the outer sides of the connection parts between the columns and the precast shear walls 15 and the precast columns. The length of the inserted reinforcing steel bars is the distance between the outer side surfaces of the steel base plates 21 on the outer side prefabricated cover plates 23 on the connecting parts between the prefabricated columns 10 and the prefabricated shear walls 15 which correspond to the front and the rear and the thickness of the corresponding fixing nuts on the two sides.
And (V) as shown in fig. 22, after all the parts are fixedly installed, grouting material is injected along the uppermost gap of the connecting part of the precast column 10 and the precast shear wall 15 until the gap is filled, and then the gap is leveled.
Sixthly, as shown in fig. 22 to 23, plaster is smeared on the concave part of the steel backing plate 21 on the prefabricated cover plate 23 outside the connecting part of the prefabricated column 10 and the prefabricated shear wall 15, so that the concave part is smooth, and the connection between the prefabricated column and the prefabricated shear wall is completed.
The implementation result shows that:
(1) the utility model discloses a prime process is prefabricated component's on-the-spot erection joint, in order to make the better agreeing with in its structural connection position, needs the wet operation of minute quantity, shortens the required time of building site operation greatly, and improvement construction speed that simultaneously can be very big practices thrift the cost.
(2) The utility model discloses a prefabricated post and prefabricated shear force wall through set up prefabricated wall-post built-in fitting and steel pipe concrete key at prefabricated shear force wall and prefabricated column connection part, accomplishes the transmission of wall-intercolumniation connecting portion shearing force. The wall-column concrete-filled steel tube key-connected member has high strength and can meet the design requirement of strong connection. Experiments show that the member has strong deformation capability, good ductility and strong energy consumption capability, the whole wall body has good seismic performance, and the overall performance is obviously superior to that of a cast-in-place member.
(3) And parts with high manufacturing precision requirements, including the prefabricated columns, the prefabricated shear walls, the prefabricated wall-column embedded parts, the concrete-filled steel tube keys, the reinforced concrete blocks and the concrete filling blocks, are manufactured in a factory. The difficulty requirement of on-site assembly is not high, the learning cost of constructors can be saved, and meanwhile, the construction efficiency is greatly improved.
(4) For the fabricated structure, a large amount of assembling operation is adopted, the amount of operation is greatly reduced compared with the original cast-in-place operation, the fabricated concrete structure has the advantages of meeting the requirements of energy conservation, environmental protection, economic safety, green building development and the like, and has better engineering application prospect.
Accessory part
In order to make the utility model have wider coverage and stronger scientificity, an auxiliary part is added.
The first condition is as follows: as shown in fig. 24, end steel plates 24 are welded to both sides of the concrete filled steel tube key 2 in fig. 2. Similarly, as shown in fig. 25, the two shear steel plates 4 of the prefabricated wall-column embedded part 9 in fig. 3 are replaced by L-shaped rib plates 25, the upper and lower parallel L-shaped rib plates 25 respectively form a clamping groove with the bottom steel plate 5, the upper and lower clamping grooves are opposite, and are in a plug-in fit structure with the end steel plates 24, and the rest is unchanged.
Installation description: as shown in fig. 24-26, the end steel plates 24 of the concrete-filled steel tube keys 2 are inserted into corresponding slots between the precast wall-column embedded parts 9 in the precast columns 10 and the precast wall-column embedded parts 9 in the precast shear walls 15, so that the precast wall-column embedded parts 9 in the precast columns 10 are tightly attached to the precast wall-column embedded parts 9 and the concrete-filled steel tube keys 2 in the precast shear walls 15, and then welded and fixed, thereby completing the connection of the concrete-filled steel tube keys 2 between the precast columns 10 and the precast shear walls 15.
The installation process comprises the following steps: the installation process is identical except for the installation description above.
Case two: as shown in fig. 24, end steel plates 24 are welded to both sides of the concrete filled steel tube key 2 in fig. 2. Similarly, as shown in fig. 27, the two shear steel plates 4 of the prefabricated wall-column embedded part 9 of fig. 3 are removed, and the rest are unchanged.
Installation description: as shown in fig. 24 and 27-28, a concrete-filled steel tube key 2 is correspondingly placed between the precast wall-column embedded part 9 in the precast column 10 and the precast wall-column embedded part 9 in the precast shear wall 15, so that the precast wall-column embedded part 9 in the precast column 10 is in close contact with the precast wall-column embedded part 9 in the precast shear wall 15 and an end steel plate 24 of the concrete-filled steel tube key 2, and then the contact part between the end steel plate 24 and the bottom steel plate 5 is welded and fixed, thereby completing the connection of the concrete-filled steel tube key 2 between the precast column 10 and the precast shear wall 15.
The installation process comprises the following steps: the installation process is identical except for the installation description above.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and the detailed description of the present invention made with reference to the above embodiments should be understood by those of ordinary skill in the art. In actual practice, the specific embodiments of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the present invention, which should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an assembled concrete structure wall-post steel pipe concrete key connection structure which characterized in that includes: prefabricated post and prefabricated shear force wall, prefabricated shear force wall are located between two prefabricated posts, and prefabricated post corresponds with prefabricated wall-post built-in fitting of prefabricated shear force wall, connects through the steel pipe concrete key-type between the prefabricated wall-post built-in fitting that sets up relatively, wherein:
the prefabricated wall-column embedded part consists of an anchoring steel plate, a bottom steel plate and a shear-resistant steel plate, wherein the shear-resistant steel plate is respectively arranged on one side of the bottom steel plate in an up-down parallel manner, and the anchoring steel plate is in a U-shaped lacing wire shape and is symmetrically arranged on the other side of the bottom steel plate in an up-down manner;
the prefabricated column is composed of prefabricated column longitudinal stress bars, prefabricated column stirrups, vertical steel bar sleeves and prefabricated wall-column embedded parts poured concrete, eight prefabricated column longitudinal stress bars which are arranged in a square shape are connected through the prefabricated column stirrups to form a prefabricated column steel bar framework, the bottom of each prefabricated column longitudinal stress bar is sleeved with the vertical steel bar sleeve, the prefabricated wall-column embedded parts are uniformly welded on one side surface of the prefabricated column steel bar framework from top to bottom, the concrete is poured on the inner side and the outer side of the prefabricated column steel bar framework, the concrete is poured to the outer side edge of the prefabricated wall-column embedded parts, and the shear-resistant steel plates of the prefabricated wall-column embedded parts are exposed out of the prefabricated column steel bar framework;
the prefabricated shear wall is composed of shear wall longitudinal stress steel bars, shear wall transverse stress steel bars, shear wall constraint edge component stirrups, quincuncial steel bars and prefabricated wall-column embedded part poured concrete, two rows of shear wall longitudinal stress steel bars are oppositely arranged in parallel, each row of shear wall longitudinal stress steel bars are connected through the shear wall transverse stress steel bars, the oppositely arranged shear wall transverse stress steel bars are connected through the quincuncial steel bars, the shear wall constraint edge component stirrups are arranged at the edges of two sides of the two rows of shear wall longitudinal stress steel bars in an up-and-down parallel mode, and each shear wall constraint edge component stirrup is connected with four shear wall longitudinal stress steel bars in a binding mode to form a prefabricated shear wall steel bar framework; the prefabricated shear wall comprises a prefabricated shear wall steel bar framework, prefabricated wall-column embedded parts, an anchoring steel plate, a prefabricated shear wall steel bar framework, a prefabricated shear wall-column embedded part and a prefabricated shear wall steel bar framework, wherein the prefabricated shear wall steel bar framework is provided with the prefabricated wall-column embedded parts, the prefabricated wall-column embedded parts are arranged on the two sides of the prefabricated shear wall steel bar framework, the anchoring steel plate on one side of the prefabricated wall-column embedded part is inserted into the prefabricated shear wall steel bar framework and fixed through welding, concrete is poured on the inner side and the outer side of the prefabricated shear wall steel.
2. The fabricated concrete structure wall-column concrete filled steel tube key connecting structure according to claim 1, wherein the concrete filled steel tube key is composed of concrete poured into a rectangular steel tube, and the concrete filled steel tube key is connected with the prefabricated wall-column embedded parts at both sides by welding.
3. The fabricated concrete structure wall-column concrete filled steel tube key connecting structure according to claim 2, wherein end steel plates are welded on two sides of the concrete filled steel tube key, two shear steel plates of the prefabricated wall-column embedded part are L-shaped ribbed plates, an upper L-shaped ribbed plate and a lower L-shaped ribbed plate which are parallel form clamping grooves with a bottom steel plate respectively, the upper clamping groove and the lower clamping groove are opposite, and the end steel plates are in a plug-in fit structure; inserting end steel plates of the concrete-filled steel tube keys into corresponding clamping grooves between the precast wall-column embedded parts in the precast columns and the precast wall-column embedded parts in the precast shear walls, enabling the precast wall-column embedded parts in the precast columns to be tightly attached to the precast wall-column embedded parts in the precast shear walls and the concrete-filled steel tube keys, and completing the connection of the concrete-filled steel tube keys between the precast columns and the precast shear walls through welding and fixing;
or, removing the steel plates at the welding ends at the two sides of the concrete-filled steel tube key and the two shear-resistant steel plates of the prefabricated wall-column embedded part; and correspondingly placing the concrete-filled steel tube key between the prefabricated wall-column embedded part in the prefabricated column and the prefabricated wall-column embedded part in the prefabricated shear wall, enabling the prefabricated wall-column embedded part in the prefabricated column to be in close contact with the prefabricated wall-column embedded part in the prefabricated shear wall and the end steel plate of the concrete-filled steel tube key, and welding and fixing the contact part of the end steel plate and the bottom steel plate to complete the connection of the concrete-filled steel tube key between the prefabricated column and the prefabricated shear wall.
4. The assembled concrete structure wall-column concrete-filled tubular key connecting structure according to claim 1, wherein the prefabricated reinforced concrete blocks and the concrete filling blocks are inserted into the gaps between the prefabricated wall-column embedded parts and the prefabricated columns and the prefabricated shear walls in a shape-following manner to complete filling of the gap positions at the connecting parts of the prefabricated columns and the prefabricated shear walls.
5. The assembled concrete structure wall-column concrete-filled steel tube key connection structure according to claim 4, wherein the prefabricated reinforced concrete blocks are positioned between two adjacent steel tube concrete keys, the concrete filling blocks are respectively positioned at the top of the uppermost steel tube concrete key and at the bottom of the lowermost steel tube concrete key, two sides of the lower part of each top concrete filling block are respectively provided with a notch, two sides of the upper part of each bottom concrete filling block are respectively provided with a notch, and the notches at two sides of each concrete filling block respectively form a gap with the prefabricated shear wall and the prefabricated column.
6. The fabricated concrete structure wall-column concrete-filled steel tube key connection structure according to claim 4, wherein the prefabricated reinforced concrete blocks are composed of reinforced concrete block stirrups and reinforced concrete block longitudinal bar cast concrete, four reinforced concrete block longitudinal bars are uniformly arranged along the vertical direction, the cross sections of the four reinforced concrete block longitudinal bars are in a square arrangement structure, the outer sides of the reinforced concrete block longitudinal bars are fixedly connected through the reinforced concrete block stirrups which are horizontally arranged from top to bottom to form a steel reinforcement framework, and concrete is cast on the inner side and the outer side of the steel reinforcement framework.
7. The wall-column concrete-filled steel tube key connection structure with the prefabricated concrete structure as claimed in claim 1, wherein a prefabricated cover plate is arranged on the outer side of a connection part between the prefabricated column and the prefabricated shear wall, the prefabricated cover plate comprises cover plate transverse distribution ribs, cover plate longitudinal distribution ribs and steel base plates, and a row of parallel opposite cover plate transverse distribution ribs and a row of parallel opposite cover plate longitudinal distribution ribs are in cross binding connection to form a steel reinforcement framework net; the steel backing plates are welded on two sides of the cover plate longitudinal distribution ribs respectively between two adjacent cover plate transverse distribution ribs on the upper portion of the steel reinforcement framework net, the steel backing plates are welded on two sides of the cover plate longitudinal distribution ribs respectively between two adjacent cover plate transverse distribution ribs on the lower portion of the steel reinforcement framework net, concrete is poured on the inner side and the outer side of the steel reinforcement framework net, two side faces of the steel backing plate with a central hole are exposed out of the outer side of the steel reinforcement framework net, and the position of a center hole of each steel backing plate corresponds to the position of a gap between a prefabricated shear wall, a prefabricated column and a concrete filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648208.9U CN211229041U (en) | 2019-09-29 | 2019-09-29 | Assembled concrete structure wall-column concrete filled steel tube key connecting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648208.9U CN211229041U (en) | 2019-09-29 | 2019-09-29 | Assembled concrete structure wall-column concrete filled steel tube key connecting structure |
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| CN211229041U true CN211229041U (en) | 2020-08-11 |
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| CN201921648208.9U Expired - Fee Related CN211229041U (en) | 2019-09-29 | 2019-09-29 | Assembled concrete structure wall-column concrete filled steel tube key connecting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162556A (en) * | 2022-07-13 | 2022-10-11 | 福建省荣德胜建筑科技股份有限公司 | External wall panel assembling method synchronously constructed with main structure |
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2019
- 2019-09-29 CN CN201921648208.9U patent/CN211229041U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162556A (en) * | 2022-07-13 | 2022-10-11 | 福建省荣德胜建筑科技股份有限公司 | External wall panel assembling method synchronously constructed with main structure |
| CN115162556B (en) * | 2022-07-13 | 2023-10-27 | 福建省荣德胜建筑科技股份有限公司 | External wall panel assembly method for synchronous construction with main body structure |
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