CN104047380B - Assembled girder steel seam T-shaped mixing coupled wall and construction method thereof - Google Patents

Abstract

An assembled steel beam joint T-shaped mixed limb wall and its construction method, the assembled steel beam joint T-shaped mixed limb wall includes a first wall unit and a second wall that are vertically connected together to form a T shape The units, the first wall unit and the second wall unit are all prefabricated components, and the two are connected by joint post-casting tapes. The present invention uses steel beams instead of concrete beams, and steel columns instead of edge-constrained reinforced concrete concealed columns, so that the hybrid connected limb wall has better energy consumption capacity and continuous collapse resistance than the traditional connected limb wall, and the factory prefabrication and on-site installation can be carried out at the same time. It solves the problems of large amount of wet work on the construction site and a lot of construction waste, and simplifies the assembly process; after butt welding of the short joints, the wall units have formed a relatively large rigidity, which is conducive to the stability of the wall during the construction process, eliminating the need for The process of prefabricated shear walls as temporary support ensures construction efficiency. It can be widely used in the construction of mixed limb walls in construction projects.

Description

Prefabricated steel beam joint T-shaped mixed limb wall and its construction method

technical field

The invention relates to a connected limb wall for construction engineering and a construction method thereof, in particular to an assembled mixed limb wall and a construction method thereof.

Background technique

The high-rise building structure is an inevitable choice to solve the contradiction between the growing urban population and the gradual shortage of urban land in the process of urbanization in my country, and the connected wall structure system is an indispensable element in the high-rise building structure. According to previous measured data, the attached wall system not only inherits the advantages of simple shear wall engineering, such as low cost and high lateral stiffness, but also reflects the yield energy consumption of the connecting beam under the action of strong earthquakes, and reduces the concentration of a large number of cracks at the bottom of the wall. , to reduce the cost of post-earthquake repairs. However, in the actual application process, due to the functional requirements of the building, it is often difficult for traditional concrete coupling beams to meet the shear resistance requirements of the section, which has caused certain difficulties for designers. During the construction of the project, the on-site construction work is heavy, and a large number of formwork and temporary supports are required, which not only affects the construction progress, but also produces a large amount of construction waste and causes pollution.

Contents of the invention

The purpose of the present invention is to provide an assembled steel beam joint T-shaped mixed limb wall and its construction method, to solve the technical problems of large amount of construction work and low efficiency of the connected limb wall; and to solve the problem of generating a large amount of construction waste during construction question.

To achieve the above object, the present invention adopts the following technical solutions:

A prefabricated steel beam joint T-shaped mixed limb wall, including a first wall unit and a second wall unit that are vertically connected to each other to form a T shape, and the first wall unit and the second wall unit are prefabricated The components are connected by joint post-cast tape.

The first wall unit includes the first wall unit concrete wall, the first wall unit steel column and the first wall unit seam column erected at both ends of the first wall unit concrete wall, and the first wall unit concrete wall The steel skeleton of the first wall unit inside the body; the upper and lower ends of the steel column of the first wall unit exceed the concrete wall of the first wall unit, and the upper end of the steel column of the first wall unit located in the concrete wall of the first wall unit A first wall unit non-energy dissipation short beam is connected along the length direction of the first wall unit concrete wall, and the other end of the first wall unit non energy dissipation short beam exceeds the first wall unit concrete wall; The upper and lower ends of the wall unit joint column are beyond the concrete wall of the first wall unit, and the upper, middle and lower parts of the first wall unit joint column located in the first wall unit concrete wall are respectively along the first wall unit The length direction of the concrete wall is connected with the first wall unit joint short beam, and the other end of the first wall unit joint short beam exceeds the first wall unit concrete wall; the first wall unit steel column, the first wall unit The non-energy-dissipating short beam of the wall unit, the joint column of the first wall unit and the joint short beam of the first wall unit are all fixed with shear studs of the first wall unit.

The second wall unit includes the concrete wall body of the second wall unit, steel columns of the second wall unit erected at both ends of the concrete wall body of the second wall unit respectively, and the second wall unit joint erected in the middle of the concrete wall body of the second wall unit Seam columns and the second wall unit steel skeleton inside the second wall unit concrete wall; the upper and lower ends of the second wall unit steel column are beyond the second wall unit concrete wall, and are located in the second wall unit concrete wall The upper ends of the steel columns of the two second wall units within the second wall unit are respectively connected to the back along the length direction of the concrete wall of the second wall unit with non-energy-dissipating short beams of the second wall unit. The other end exceeds the concrete wall of the second wall unit; the upper and lower ends of the joint column of the second wall unit exceed the concrete wall of the second wall unit, and the upper, middle and lower parts along the concrete wall of the second wall unit The joint short beam of the second wall unit is connected in the same direction in the width direction, and the other end of the short joint beam of the second wall unit exceeds the concrete wall of the second wall unit; the steel column of the second wall unit, the second wall unit The non-energy dissipating short beams, the second wall unit joint columns and the second wall unit joint short beams are all fixed with the second wall unit shear studs.

The short joint beam of the first wall unit and the short joint beam of the second wall unit are butt-cast in the joint post-casting belt, and the joint post-casting belt is also provided with vertical steel bars inside the joint post-casting belt And joints post-cast with stirrups.

One or more of the top, bottom, left, and right sides of the concrete wall of the first wall unit is rough or has key grooves in the horizontal direction.

One or more of the four sides of the concrete wall of the second wall unit are rough or have key grooves in the horizontal direction.

The length of the joint short beam of the first wall unit beyond the edge of the concrete wall of the first wall unit is in the range of 5 cm to 10 cm.

The length of the joint short beam of the second wall unit beyond the edge of the concrete wall of the second wall unit is 5 cm to 10 cm.

The reinforcement skeleton of the first wall unit includes the first wall unit horizontal reinforcement connected between the first wall unit steel column and the first wall unit seam column, and the first wall unit vertical reinforcement vertically connected with the first wall unit horizontal reinforcement. Straight bars and tie bars of the first wall unit connected between the vertical bars of the first wall unit.

The reinforcement skeleton of the second wall unit includes the second wall unit horizontal reinforcement connected between the second wall unit steel column and the second wall unit joint column, and the second wall unit vertical reinforcement vertically connected with the second wall unit horizontal reinforcement. Straight bars and tie bars of the second wall unit connected between the vertical bars of the second wall unit.

The reinforcement skeleton of the first wall unit also includes the first wall unit steel column structural reinforcement arranged around the first wall unit steel column and the first wall unit seam column structural reinforcement arranged around the first wall unit joint column.

The reinforcement skeleton of the second wall unit also includes the second wall unit steel column structural reinforcement arranged around the second wall unit steel column and the second wall unit joint column structural reinforcement arranged around the second wall unit joint column.

The steel column of the first wall unit, the non-energy dissipation short beam of the first wall unit and the joint column of the first wall unit are all H-shaped steel or combined I-beam, and the joint short beam of the first wall unit is H-shaped steel, Combined I-beam or steel plate.

The steel column of the second wall unit, the non-energy dissipation short beam of the second wall unit and the joint column of the second wall unit are all H-shaped steel or combined I-beam, and the joint short beam of the second wall unit is H-shaped steel, Combined I-beam or steel plate.

A kind of construction method of described prefabricated steel girder joint T-shaped mixed limb wall, concrete steps are as follows:

Prefabrication process of the first wall unit and the second wall unit:

Step 1: welding and fixing the first wall unit shear studs on the first wall unit steel column, the first wall unit non-energy dissipation short beam, the first wall unit joint column and the first wall unit joint short beam.

Step 2, welding and fixing the steel column of the first wall unit to the non-energy dissipation short beam of the first wall unit, and welding and fixing the joint column of the first wall unit to the joint short beam of the first wall unit.

Step 3, fix the first wall unit steel column and the first wall unit joint column respectively.

Step 4, binding the first wall unit horizontal reinforcement, the first wall unit vertical reinforcement and the first wall unit tie bars to form the first wall unit reinforcement skeleton.

Step 5, fixing the first wall unit steel column structural reinforcement around the first wall unit steel column, and fixing the first wall unit joint column structural reinforcement around the first wall unit joint column.

Step 6, support the formwork of the first wall unit, and perform horizontal keyway or rough surface treatment on the four sides of the upper, lower, left, and right sides.

Step seven, pouring the concrete of the first wall unit.

Step 8: after pouring and curing, demoulding is carried out to complete the prefabrication process of the first wall unit, the prefabrication process of the second wall unit is the same as that of the first wall unit, and the prefabrication process of the second wall unit is completed at the same time.

On-site assembly process of mixed limb wall:

Step 1, transport the prefabricated first wall unit and second wall unit to the construction site, and start the on-site construction process.

In step 2, the joint short beams of the first wall unit of the first wall unit and the joint short beams of the second wall unit of the second wall unit are correspondingly fixed by butt welding.

Step 3, binding the joints and post-casting the vertical steel bars and joints post-casting with stirrups.

Step 4, supporting the formwork of the poured tape after the seam.

Step 5, after pouring the joints, pour the concrete with the belt.

Step 6: Carry out maintenance and complete the on-site assembly construction of the T-shaped mixed limb wall.

On the basis of the described construction method, continue the construction method of the multi-layer assembled steel beam joint T-shaped mixed limb wall, and the specific steps are as follows:

Step 1, lifting the first wall unit of the upper floor and docking with the first wall unit of the lower floor, and connecting the steel column of the first wall unit of the two floors with the seam column of the first wall unit by corresponding spot welding;

Step 2, take off the hook, and weld the steel column of the first wall unit corresponding to the first wall unit of the two floors and the seam column of the first wall unit through penetration welding;

Step 3, setting a steel bar skeleton at the upper and lower joints of the double-layer first wall unit, and supporting the concrete pouring formwork at the upper and lower joints;

Step 4, pouring the concrete at the upper and lower joints;

Step five, carry out maintenance, complete the on-site assembly construction of the double-layer first wall unit, and the construction of the double-layer second wall unit is the same as that of the first wall unit;

Step 6: repeat steps 1 to 5 to complete the on-site assembly construction of the multi-layer T-shaped mixed limb wall.

The prefabricated steel beam joint T-shaped mixed limb wall of the present invention adopts an assembled composite structure, and aims at the design and research of T-shaped connection nodes in the fabricated mixed limb wall system. Based on the finite element theory, a finite element model is established for The mechanical analysis of the prefabricated steel beam joint T-shaped mixed limb wall system is carried out to verify the reliability of its joints. The joints are fixed by butt welding of short-joint beams, and the short-joint beams after butt-welding form steel short beams in the post-casting zone of the joints. This is an important way for joint force transmission, and the quality of welds is easier to detect and easier To ensure the quality of the connection, in this way, a reliable connection is formed between the wall units, forming a beam-column system similar to a single-layer wall unit with multiple joints and short beams, which increases the strength and ductility of the joints in the horizontal direction; in addition , the joint short beam divides the original whole concrete wall into several parts, plays a role of hoop for the concrete, increases the compressive strength of the concrete, and the post-cast concrete has a diagonal bracing effect on the beam-like column system. At the same time, the joint There are also vertical bars and stirrups in the post-casting belt in the post-casting belt, which have a significant effect on improving the compressive strength of the concrete, and increase the strength and ductility of the vertical direction of the joint. Therefore, The node strength of the assembled steel beam joint T-shaped mixed limb wall of the present invention is higher than that of the components, which meets the requirements of the earthquake-resistant structure.

The construction method of the prefabricated steel girder joint T-shaped mixed limb wall of the present invention is also more convenient, fast and efficient, including prefabrication in the factory and assembly on site. The high rigidity is conducive to the stability of the wall during the construction process, and the two processes can be carried out at the same time, which improves the construction speed and provides a guarantee for the completion of the construction project on schedule. Considering the convenience of making, hoisting and transportation of the mixed limb wall unit, Components are disassembled and classified into standard wall units. After transported to the construction site, they are assembled with node structures that are reliable in connection and convenient for construction. During the construction of the project, the assembly and combination of structures reduces the wet work on the concrete site The amount, thereby reducing the input amount of formwork and temporary support, thereby reducing the generation of construction waste.

The invention satisfies the anti-seismic requirements of the mixed limb wall system, realizes the construction mode of factory prefabrication and on-site assembly synchronously, and the joint post-casting belt ensures the reliability of node connection.

Compared with the traditional cast-in-place concrete attached wall, steel beams are used instead of concrete beams, and steel columns are used to replace edge-constrained reinforced concrete concealed columns, so that the hybrid attached wall has better energy dissipation capacity and resistance to continuous collapse than traditional attached walls capacity, using joint beams instead of pre-embedded steel bars, because joint beams are more rigid than steel bars, there will be no bending phenomenon during transportation, and quality is guaranteed, and factory prefabrication and on-site installation are carried out at the same time, solving the problem of heavy wet work on the construction site, There is a lot of construction waste, which is convenient to meet the requirements of building use and simplify the assembly process; compared with the existing general prefabricated limb wall, after the joint short beam butt welding, the wall units have formed a greater rigidity, which is conducive to the construction process. The stability of the wall saves the process of prefabricated shear walls as temporary support, ensures construction efficiency, reduces the input of formwork temporary support, and reduces the generation of construction waste.

The invention can be widely used in the construction of the mixed limb wall structure system in construction engineering.

Description of drawings

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural view of the first wall unit of the present invention.

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

Fig. 3 is a schematic structural view of the second wall unit of the present invention.

Fig. 4 is a B-B sectional view of Fig. 3 .

Fig. 5 is a structural schematic diagram of the present invention.

Fig. 6 is a C-C sectional view of Fig. 5 .

Reference signs: 1-the first wall unit, 1.1-the concrete wall of the first wall unit, 1.2-the steel column of the first wall unit, 1.3-the non-energy dissipating short beam of the first wall unit, 1.4-the seam of the first wall unit Column, 1.5-joint short beam of the first wall unit, 1.6-shear studs of the first wall unit, 1.7-steel column structural reinforcement of the first wall unit, 1.8-steel skeleton of the first wall unit, 1.9-first wall unit Seam column structural reinforcement, 1.10-keyway;

2-Second wall unit, 2.1-Second wall unit concrete wall, 2.2-Second wall unit steel column, 2.3-Second wall unit non-energy dissipation short beam, 2.4-Second wall unit joint column, 2.5- Joint short beam of the second wall unit, 2.6- shear studs of the second wall unit, 2.7- steel column structural reinforcement of the second wall unit, 2.8- reinforced skeleton of the second wall unit, 2.9- joint column structure of the second wall unit Rib, 2.10-keyway;

3-joint post-pouring belt, 3.1-joint post-pouring belt vertical reinforcement, 3.2-joint post-pouring belt stirrup.

detailed description

The embodiment is shown in Fig. 5 and Fig. 6, a kind of assembled steel beam joint T-shaped mixed limb wall, including the first wall unit 1 and the second wall unit 2 which are vertically connected to form a T-shape, wherein the first wall The unit 1 is symmetrically distributed on both sides of the second wall unit 2, the first wall unit 1 and the second wall unit 2 are prefabricated components, the concrete strength grade is not less than C30 and not higher than C60, and the two are connected by a joint The joint post-casting belt 3 is connected; the joint short beam 1.5 of the first wall unit and the joint short beam 2.5 of the second wall unit are butt-jointed and poured inside the joint post-casting belt 3, and the joint post-casting belt 3 is There are also vertical steel bars 3.1 with joint post-cast belts and joint post-cast belt stirrups 3.2 placed outside the joint post-cast belt vertical steel bars 3.1. When the joint post-cast belt vertical steel bars 3.1 are in two rows , the joint post-pouring with vertical reinforcement 3.1 is placed outside the first wall unit joint short beam 1.5 and the second wall unit joint short beam 2.5; when the joint post-casting belt vertical reinforcement 3.1 is three rows or more , the steel connectors are welded at the corresponding positions of the joint short beam 1.5 of the first wall unit and the joint short beam 2.5 of the second wall unit. and the concrete strength grade of the second wall unit 2 or more.

Referring to Fig. 1 and Fig. 2, the first wall unit 1 includes a first wall unit concrete wall 1.1, first wall unit steel columns 1.2 and first The wall unit joint column 1.4 and the first wall unit steel skeleton 1.8 located inside the first wall unit concrete wall 1.1; the first wall unit steel skeleton 1.8 includes the steel column 1.2 connected to the first wall unit and the first wall unit The first wall unit horizontal reinforcement between joint columns 1.4, the first wall unit vertical reinforcement vertically connected to the first wall unit horizontal reinforcement, and the first wall unit tie between the first wall unit vertical reinforcement Ribs; the upper and lower sides of the concrete wall 1.1 of the first wall unit and the surface of the post-cast belt 3 adjacent to the joint are provided with horizontal key grooves 1.10; the steel column 1.2 of the first wall unit and the first wall unit The steel column length of joint column 1.4 is about storey height.

The first wall unit reinforcement skeleton 1.8 also includes the first wall unit steel column structural reinforcement 1.7 arranged around the first wall unit steel column 1.2 and the first wall unit seam arranged around the first wall unit joint column 1.4 Column structural reinforcement 1.9.

The upper and lower ends of the first wall unit steel column 1.2 are beyond the first wall unit concrete wall 1.1, and the upper end of the first wall unit steel column 1.2 located in the first wall unit concrete wall 1.1 is along the first wall unit concrete wall. The length direction of the wall 1.1 is connected with a first wall unit non-energy dissipating short beam 1.3, and the other end of the first wall unit non-energy dissipating short beam 1.3 exceeds the first wall unit concrete wall 1.1.

The upper and lower ends of the first wall unit joint column 1.4 are beyond the first wall unit concrete wall 1.1, and are located at the top, middle and bottom of the first wall unit joint column 1.4 in the first wall unit concrete wall 1.1 The three parts are respectively connected with the first wall unit joint short beam 1.5 along the length direction of the first wall unit concrete wall 1.1, and the first wall unit joint short beam 1.5 exceeds the length of the edge of the first wall unit concrete wall 1.1 The range is 5 cm to 10 cm.

The steel column 1.2 of the first wall unit, the non-energy-dissipating short beam 1.3 of the first wall unit and the joint column 1.4 of the first wall unit are all H-shaped steel or combined I-beam, the strength grade is Q345, and the joint of the first wall unit The short beam 1.5 is H-shaped steel, combined I-beam or steel plate, the strength grade is Q345, and the first wall unit shear studs 1.6 are fixed on the outer edge of the flange of the shaped steel or on the edge of the steel plate.

Referring to Fig. 3 and Fig. 4, the second wall unit 2 includes the second wall unit concrete wall 2.1, the second wall unit steel columns 2.2 erected at both ends of the second wall unit concrete wall 2.1, and the second wall unit steel columns 2.2 erected in the middle of the second wall unit concrete wall 2.1. The second wall unit joint column 2.4 inside the second wall unit concrete wall 2.1 and the second wall unit reinforcement skeleton 2.8 located inside the second wall unit concrete wall 2.1; the second wall unit reinforcement skeleton 2.8 includes connections to the second wall unit The second wall unit horizontal reinforcement between the second wall unit steel column 2.2 and the second wall unit seam column 2.4, the second wall unit vertical reinforcement vertically connected with the second wall unit horizontal reinforcement and the second wall unit vertical reinforcement connected to the second wall unit vertical The second wall unit tie bars between the straight steel bars; the concrete wall 2.1 of the second wall unit has horizontal key grooves 2.10 on the upper and lower surfaces; the steel column 2.2 of the second wall unit and the second wall unit The steel column length of seam column 2.4 is about storey height.

The second wall unit reinforcement skeleton 2.8 also includes the second wall unit steel column structural reinforcement 2.7 arranged around the second wall unit steel column 2.2 and the second wall unit seam arranged around the second wall unit joint column 2.4 Column structural reinforcement 2.9.

The upper and lower ends of the second wall unit steel column 2.2 are beyond the second wall unit concrete wall 2.1, and the upper ends of the two second wall unit steel columns 2.2 located in the second wall unit concrete wall 2.1 are along the second wall The length direction of the unit concrete wall 2.1 is respectively connected with the second wall unit non-energy dissipating short beam 2.3, and the other end of the second wall unit non-energy dissipating short beam 2.3 exceeds the second wall unit concrete wall 2.1.

The upper and lower ends of the second wall unit joint column 2.4 are beyond the second wall unit concrete wall 2.1, and the upper end of the second wall unit joint column 2.4 located in the second wall unit concrete wall 2.1 is along the second wall The length direction of the unit concrete wall 2.1 is connected with the second wall unit non-energy dissipating short beam 2.3, and the upper, middle and lower parts are connected with the second wall unit joint along the width direction of the second wall unit concrete wall 2.1 in the same direction The short beam 2.5, the other end of the second wall unit joint short beam 2.5 and the second wall unit non-energy dissipation short beam 2.3 both exceed the second wall unit concrete wall 2.1, the second wall unit joint short beam 2.5 The length beyond the edge of the concrete wall 2.1 of the second wall unit is 5 cm to 10 cm.

The steel column 2.2 of the second wall unit, the non-energy-dissipating short beam 2.3 of the second wall unit and the joint column 2.4 of the second wall unit are all H-shaped steel or combined I-beam with a strength grade of Q345, and the second wall unit The joint short beam 2.5 is H-shaped steel, composite I-beam or steel plate, the strength grade is Q345, and the second wall unit shear stud 2.6 is fixed on the outer edge of the flange of the above-mentioned steel plate or the edge of the steel plate.

A construction method of a prefabricated steel beam joint T-shaped mixed limb wall, the specific steps are as follows:

Prefabrication process of the first wall unit 1 and the second wall unit 2:

Step 1: Weld and fix the first wall unit shear resistance on the steel column 1.2 of the first wall unit, the non-energy dissipating short beam 1.3 of the first wall unit, the joint column 1.4 of the first wall unit and the short joint beam 1.5 of the first wall unit Stud 1.6.

Step 2, welding and fixing the first wall unit steel column 1.2 and the first wall unit non-energy dissipating short beam 1.3, and welding and fixing the first wall unit joint column 1.4 and the first wall unit joint short beam 1.5.

Step 3, fixing the steel column 1.2 of the first wall unit and the joint column 1.4 of the first wall unit respectively.

Step 4, binding the first wall unit horizontal reinforcement, the first wall unit vertical reinforcement and the first wall unit tie bars to form the first wall unit reinforcement skeleton 1.8.

Step 5: Fix the steel column structural reinforcement 1.7 of the first wall unit around the steel column 1.2 of the first wall unit, and fix the structural reinforcement 1.9 of the joint column of the first wall unit around the joint column 1.4 of the first wall unit.

Step 6, support the formwork of the first wall unit 1, and perform horizontal key groove or rough surface treatment on the four sides of the upper, lower, left, and right sides.

Step seven, pouring the concrete of the first wall unit 1 .

Step 8: After pouring and curing, demoulding is carried out to complete the prefabrication process of the first wall unit 1, the prefabrication process of the second wall unit 2 is the same as that of the first wall unit 1, and the prefabrication of the second wall unit 2 is completed at the same time process.

On-site assembly process of the first wall unit 1 and the second wall unit 2:

Step 1, transport the prefabricated first wall unit 1 and second wall unit 2 to the construction site, and start the on-site construction process.

In step 2, the short joint beam 1.5 of the first wall unit 1 and the short joint beam 2.5 of the second wall unit 2 are correspondingly fixed by butt welding.

Step 3, binding the vertical reinforcement 3.1 after the joints and the stirrups 3.2 after the joints.

Step 4, setting up the formwork of the cast belt 3 after the seam.

Step five, after pouring the joints, pour the concrete with 3.

Step 6: Carry out maintenance and complete the on-site assembly construction of the single-layer T-shaped mixed limb wall.

On-site assembly process of multi-layer first wall unit 1 and/or second wall unit 2:

Step 1: Hoist the first wall unit 1 on the upper floor and dock it with the first wall unit 1 on the lower floor, and connect the steel column of the first wall unit of the two floors with the seam column of the first wall unit by corresponding spot welding.

Step 2: Take off the hook, and perform penetration welding on the first wall unit steel column and the first wall unit seam column corresponding to the first wall unit on the two floors.

Step 3, setting up the reinforcement skeleton at the upper and lower joints of the double-layer first wall unit, and supporting the concrete pouring formwork at the upper and lower joints.

Step 4, pouring concrete at the upper and lower joints.

Step 5: Carry out maintenance and complete the on-site assembly construction of the double-layer first wall unit, and the construction of the double-layer second wall unit is the same as that of the first wall unit.

Step 6: Repeat steps 1 to 5 to complete the on-site assembly construction of the multi-layer T-shaped mixed limb wall.

The first wall unit 1 and the second wall unit 2 are prefabricated in the factory and assembled and installed on site. The two processes can be carried out at the same time, which improves the construction efficiency and provides a guarantee for the completion of the construction project on schedule.

Claims (10)

1. an assembled girder steel seam T-shaped mixing coupled wall, including the first wall unit (1) and the second wall unit (2) that are mutually connected vertically together, are formed T-shaped, it is characterized in that: described first wall unit (1) and the second wall unit (2) are prefabricated components, connected by seam post-cast strip (3) between the two；

Described first wall unit (1) includes the first wall unit concrete wall (1.1), is both vertically arranged on the first wall unit steel column (1.2) and first wall unit seam post (1.4) at the first two ends, wall unit concrete wall (1.1) inside and is positioned at the first wall unit framework of steel reinforcement (1.8) that the first wall unit concrete wall (1.1) is internal；The two ends up and down of described first wall unit steel column (1.2) are all beyond the first wall unit concrete wall (1.1), the length direction being positioned at the upper end edge the first wall unit concrete wall (1.1) of the first wall unit steel column (1.2) of the first wall unit concrete wall (1.1) is connected to the first non-energy dissipating short beam (1.3) of wall unit, and the other end of the described first non-energy dissipating short beam (1.3) of wall unit exceeds the first wall unit concrete wall (1.1)；The two ends up and down of described first wall unit seam post (1.4) are all beyond the first wall unit concrete wall (1.1), the upper, middle, and lower part of the first wall unit seam post (1.4) being arranged in the first wall unit concrete wall (1.1) is connected to the first wall unit seam short beam (1.5) along the length direction of the first wall unit concrete wall (1.1) respectively, and the other end of described first wall unit seam short beam (1.5) is all beyond the first wall unit concrete wall (1.1)；Described first wall unit steel column (1.2), the first non-energy dissipating short beam (1.3) of wall unit, the first wall unit seam post (1.4) and the first wall unit seam short beam (1.5) are respectively and fixedly provided with the first wall unit shear stud (1.6)；

Second wall unit (2) includes the second wall unit concrete wall (2.1), is both vertically arranged on second wall unit steel column (2.2) at the second two ends, wall unit concrete wall (2.1) inside, is erected in the second internal wall unit seam post (2.4) of the second wall unit concrete wall (2.1) between two parties and is positioned at the second wall unit framework of steel reinforcement (2.8) that the second wall unit concrete wall (2.1) is internal；The two ends up and down of described second wall unit steel column (2.2) are all beyond the second wall unit concrete wall (2.1), the length direction being positioned at the upper end edge the second wall unit concrete wall (2.1) of two second walls unit steel column (2.2) of the second wall unit concrete wall (2.1) is connected to the second non-energy dissipating short beam (2.3) of wall unit respectively dorsad, and the other end of the described second non-energy dissipating short beam (2.3) of wall unit exceeds the second wall unit concrete wall (2.1)；The two ends up and down of described second wall unit seam post (2.4) are all connected to the second wall unit seam short beam (2.5) beyond the second wall unit concrete wall (2.1), upper, middle, and lower part along the width of the second wall unit concrete wall (2.1) in the same direction, and described second wall unit seam short beam (2.5) other end is all beyond the second wall unit concrete wall (2.1)；Described second wall unit steel column (2.2), the second non-energy dissipating short beam (2.3) of wall unit, the second wall unit seam post (2.4) and the second wall unit seam short beam (2.5) are respectively and fixedly provided with the second wall unit shear stud (2.6)；

It is internal that described first wall unit seam short beam (1.5) and both docking of the second wall unit seam short beam (2.5) are cast in seam post-cast strip (3), and described seam post-cast strip (3) is internal is additionally provided with seam post-cast strip vertical reinforcement (3.1) and seam post-cast strip stirrup (3.2).

2. assembled girder steel seam T-shaped according to claim 1 mixing coupled wall, it is characterised in that: one side or multiaspect in described first wall unit concrete wall (1.1) four sides up and down are matsurface or have keyway (1.10) in the horizontal direction.

3. assembled girder steel seam T-shaped according to claim 2 mixing coupled wall, it is characterised in that: one side or multiaspect in described second wall unit concrete wall (2.1) four sides up and down are matsurface or have keyway (2.10) in the horizontal direction.

4. assembled girder steel seam T-shaped according to claim 3 mixing coupled wall, it is characterised in that: described first wall unit seam short beam (1.5) is 5 centimetres～10 centimetres beyond the length range at the first wall unit concrete wall (1.1) edge；

Described second wall unit seam short beam (2.5) is 5 centimetres～10 centimetres beyond the length range at the second wall unit concrete wall (2.1) edge.

5. assembled girder steel seam T-shaped according to claim 4 mixing coupled wall, it is characterised in that: the first wall unit horizontal reinforcing bar that described first wall unit framework of steel reinforcement (1.8) includes being connected between the first wall unit steel column (1.2) and the first wall unit seam post (1.4) and the first wall unit horizontal reinforcing bar the first vertical reinforcing bar of wall unit connected vertically and the first wall unit tension rib being connected between the first vertical reinforcing bar of wall unit；

The second wall unit horizontal reinforcing bar that described second wall unit framework of steel reinforcement (2.8) includes being connected between the second wall unit steel column (2.2) and the second wall unit seam post (2.4) and the second wall unit horizontal reinforcing bar the second vertical reinforcing bar of wall unit connected vertically and the second wall unit tension rib being connected between the second vertical reinforcing bar of wall unit.

6. assembled girder steel seam T-shaped according to claim 5 mixing coupled wall, it is characterised in that: described first wall unit framework of steel reinforcement (1.8) also includes the first wall unit steel column structure muscle (1.7) being arranged on the first wall unit steel column (1.2) surrounding and the first wall unit seam post structure muscle (1.9) being arranged on the first wall unit seam post (1.4) surrounding；

Described second wall unit framework of steel reinforcement (2.8) also includes the second wall unit steel column structure muscle (2.7) being arranged on the second wall unit steel column (2.2) surrounding and the second wall unit seam post structure muscle (2.9) being arranged on the second wall unit seam post (2.4) surrounding.

7. mix coupled wall according to the assembled girder steel seam T-shaped one of claim 1-6 Suo Shu, it is characterized in that: described first wall unit steel column (1.2), the first wall unit non-energy dissipating short beam (1.3) and the first wall unit seam post (1.4) are H profile steel or combined I-shaped steel, described first wall unit seam short beam (1.5) is H profile steel, combined I-shaped steel or steel plate.

8. assembled girder steel seam T-shaped according to claim 7 mixing coupled wall, it is characterized in that: described second wall unit steel column (2.2), the second wall unit non-energy dissipating short beam (2.3) and the second wall unit seam post (2.4) are H profile steel or combined I-shaped steel, described second wall unit seam short beam (2.5) is H profile steel, combined I-shaped steel or steel plate.

9. the construction method of the assembled girder steel seam T-shaped mixing coupled wall as described in one of claim 1 to 8, it is characterised in that specifically comprise the following steps that

The prefabricated operation of the first wall unit (1) and the second wall unit (2):

Step one, is welded and fixed the first wall unit shear stud (1.6) on the first wall unit steel column (1.2), the first non-energy dissipating short beam (1.3) of wall unit, the first wall unit seam post (1.4) and the first wall unit seam short beam (1.5)；

Step 2, is welded and fixed the first wall unit steel column (1.2) and the first non-energy dissipating short beam (1.3) of wall unit, and the first wall unit seam post (1.4) and the first wall unit seam short beam (1.5) are welded and fixed；

Step 3, fixes the first wall unit steel column (1.2) and the first wall unit seam post (1.4) respectively；

Step 4, colligation the first wall unit horizontal reinforcing bar, the first vertical reinforcing bar of wall unit and the first wall unit tension rib form the first wall unit framework of steel reinforcement (1.8)；

Step 5, at the first wall unit steel column (1.2) the first wall unit steel column structure muscle (1.7) secured about, at the first wall unit seam post (1.4) the first wall unit seam post structure muscle (1.9) secured about；

Step 6, installs the template of the first wall unit (1), and carries out horizontal keyway or matsurface process in up and down four faces；

Step 7, builds the concrete of the first wall unit (1)；

Step 8, to be poured build up type and maintenance after, carry out the demoulding, complete the prefabricated operation of the first wall unit (1), the prefabricated operation of the second wall unit (2) is identical with the first wall unit (1), simultaneously completes the prefabricated operation of the second wall unit (2)；

The assembled in situ operation of mixing coupled wall:

Step one, is transported to job site by the first prefabricated wall unit (1) and the second wall unit (2), starts on-site construction processes；

Step 2, by corresponding for the second wall unit seam short beam (2.5) of the first wall unit seam short beam (1.5) of the first wall unit (1) and the second wall unit (2) and carry out butt welding and fix；

Step 3, colligation seam post-cast strip vertical reinforcement (3.1) and seam post-cast strip stirrup (3.2)；

Step 4, installs the template of seam post-cast strip (3)；

Step 5, builds the concrete of seam post-cast strip (3)；

Step 6, carries out maintenance, completes the assembled in situ construction of the T-shaped mixing coupled wall of monolayer.

10. the construction method of assembled girder steel seam T-shaped according to claim 9 mixing coupled wall, it is characterized in that, on construction method basis described in claim 9, continue the construction method of multilamellar assembled girder steel seam T-shaped mixing coupled wall, specifically comprise the following steps that

Step one, docks upper strata the first wall unit (1) lifting with lower floor's the first wall unit (1), the first wall unit steel column of two-layer and the first wall unit seam post correspondence spot welding is connected；

Step 2, sloughs suspension hook, and the first wall unit steel column corresponding to two-layer the first wall unit and the first wall unit seam post penetration weld；

Step 3, the seam areas up and down at double-deck first wall unit arranges framework of steel reinforcement, and installs the concrete-pouring template of upper and lower seam areas；

Step 4, builds the concrete of upper and lower seam areas；

Step 5, carries out maintenance, completes the assembled in situ construction of double-deck first wall unit, and the construction of double-deck second wall unit is identical with the first wall unit；

Step 6, repeats step one to step 5, completes the assembled in situ construction of the T-shaped mixing coupled wall of multilamellar.