CN114439155A - Closed stirrup type reinforcement cage and manufacturing method thereof - Google Patents

Closed stirrup type reinforcement cage and manufacturing method thereof Download PDF

Info

Publication number
CN114439155A
CN114439155A CN202011209659.XA CN202011209659A CN114439155A CN 114439155 A CN114439155 A CN 114439155A CN 202011209659 A CN202011209659 A CN 202011209659A CN 114439155 A CN114439155 A CN 114439155A
Authority
CN
China
Prior art keywords
stirrup
reinforcement cage
longitudinal
fixed
bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011209659.XA
Other languages
Chinese (zh)
Inventor
张文全
周良
陈俊杰
伍尚勇
周武勇
钱夏烈
叶青
孙春燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Yidexing Engineering Construction Co ltd
Original Assignee
Guangdong Yidexing Engineering Construction Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Yidexing Engineering Construction Co ltd filed Critical Guangdong Yidexing Engineering Construction Co ltd
Priority to CN202011209659.XA priority Critical patent/CN114439155A/en
Publication of CN114439155A publication Critical patent/CN114439155A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0613—Closed cages made of one single bent reinforcement mat
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

A closed stirrup type reinforcement cage and a manufacturing method thereof relate to the technical field of reinforcement cages and comprise stirrups and longitudinal reinforcements, wherein each stirrup is formed by bending a single stirrup part and then fixing two ends of each reinforcement part, and the longitudinal reinforcements are fixed on the stirrups. According to the invention, the reinforcement cage can be manufactured only by bending the reinforcement part and fixing the two ends of the reinforcement part to form the stirrups, and then fixing the longitudinal reinforcements and the stirrups.

Description

Closed stirrup type reinforcement cage and manufacturing method thereof
Technical Field
The invention relates to the technical field of reinforcement cages, in particular to a closed stirrup type reinforcement cage and a manufacturing method thereof.
Background
The reinforcement cage mainly plays a role similar to the stress of the longitudinal reinforcement of the column, and mainly plays a role of tensile strength, and the compressive strength of the concrete is high but the tensile strength is very low. The pile body concrete is restrained, so that the pile body concrete can bear certain axial tension.
During construction of bridges and culverts or high-rise buildings, piles are driven according to the requirements, wherein the method comprises the steps of punching holes by using a machine and drilling holes by using a water mill, enabling the hole depth to reach the design requirement, then placing a steel reinforcement cage into the pile hole, and then inserting a guide pipe for concrete pouring.
In addition, when the concrete structure is a columnar or strip-shaped member, the central part of the concrete structure does not need to be provided with reinforcing bars, and the reinforcing bars are only arranged under the surface of the concrete member contacting with air. If the member is independent, the reinforcing steel bars arranged on the periphery of the member are prefabricated, and the member is the reinforcing steel bar cage. The prefabricated steel bar structures such as cast-in-situ bored piles, dug piles and columns are generally called steel bar cages.
At present, the most structures of the existing steel reinforcement cage for building operation are too complex, the steel reinforcement cage is not convenient to manufacture very, and the manufacturing period of the steel reinforcement cage is long.
Disclosure of Invention
One of the purposes of the invention is to provide a closed stirrup type reinforcement cage which has a simple structure and is beneficial to reinforcement cage manufacturing and shortening of reinforcement cage manufacturing period, and the defects in the prior art are avoided.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a seal stirrup formula steel reinforcement cage, includes the stirrup and indulges the muscle, the stirrup will again after buckling by single stirrup part the both ends of reinforcing bar part are fixed to be constituted, it fixes to indulge the muscle on the stirrup. The reinforcement cage is simple in structure, few in manufacturing steps and simple in operation, and manufacturing of the reinforcement cage and shortening of the manufacturing period of the reinforcement cage are facilitated.
Furthermore, one end of the steel bar component is lapped on the other end of the steel bar component, the lap joint part of the stirrup component just faces the position and is inwards sunken to form a flat part, and two ends of the steel bar component are fixed in a pressure welding mode. The one end of reinforcing bar part and the other end overlap joint of reinforcing bar part can increase the both ends area of contact of reinforcing bar part, increases the fastness after the both ends of reinforcing bar part are fixed, and the overlap joint of stirrup part is just inside sunken formation flat portion to the position, can reduce the thickness of the overlap joint of stirrup part, makes the whole thickness of stirrup keep unanimous, adopts the mode of pressure welding to guarantee that the overlap joint shape keeps unanimous with the stirrup.
Furthermore, the stirrup part is bent and fixed and then is arranged in a rectangular or round corner rectangular shape. The stirrup with a rectangular or rounded rectangular structure is better formed, so that the manufacturing period can be shortened, and meanwhile, the longitudinal reinforcement is convenient to fix with the stirrup.
Furthermore, two ends of the steel bar component are fixed to form one side of a rectangle or a rounded rectangle, and the longitudinal bar is fixed to the other sides except the side of the rectangle or the rounded rectangle formed by fixing the two ends of the steel bar component. Two ends of the reinforcing steel bar part are fixed to form one side of a rectangle or a rounded rectangle, and compared with the situation that the fixed parts are positioned at four corners, the reinforcing steel bar part is fixed better, and the force born by the second whole body can be increased; the longitudinal bars are fixed on the edges except one edge of the rectangle or the rounded rectangle formed after the two ends of the steel bar component are fixed, so that the pressure of the edge with the fixed part can be reduced, and the integral bearing capacity of the stirrup can be increased.
Further, the diameter of the hoop component forming the hoop is 8-12mm, the length of the hoop is 400-1100mm, and the width of the hoop is 200-250 mm. Under the condition of meeting the stress, the corresponding size of the stirrup component is reduced as much as possible, and the forming of the stirrup is facilitated, wherein the diameter range of the stirrup component forming the stirrup is optimal within 8-12mm, the length of the stirrup is 1100mm, and the width of the stirrup is optimal within 200 mm and 250 mm.
Furthermore, the diameter of the longitudinal bar is 16-25mm, and the length of the longitudinal bar is 3-8 m. Under the condition of meeting the stress, the corresponding size of the longitudinal bar is reduced as much as possible, and the forming of the reinforcement cage is facilitated, wherein the diameter of the longitudinal bar is 16-25mm, and the length of the longitudinal bar is 3-8m optimally.
Furthermore, the longitudinal bars are fixed on the inner side wall of the stirrup. The longitudinal bars are fixed on the inner side wall of the stirrup, and the stirrup can protect the stirrup and the position where the longitudinal bars are fixed.
Further, the longitudinal bars are perpendicular to the stirrups. The longitudinal bars are perpendicular to the stirrups, so that the reinforcement cage can be straight after being manufactured.
The invention also aims to avoid the defects in the prior art and provide a manufacturing method of the closed stirrup type reinforcement cage, and the manufacturing method of the closed stirrup type reinforcement cage is used for manufacturing the closed stirrup type reinforcement cage.
The manufacturing method of the closed stirrup type reinforcement cage comprises the following steps:
the stirrup is stacked orderly, and then one edge of the stirrup stacked orderly is placed on the stirrup fixing device;
fixing one end of the longitudinal bar on the longitudinal bar fixing device;
pushing the longitudinal bar fixing device, and inserting the other end of the longitudinal bar into the stirrup;
reversely pushing the longitudinal bar fixing device, and sequentially releasing the stirrups by the stirrup fixing device;
fixing the released stirrups and the longitudinal bars in sequence;
after all the stirrups and the longitudinal bars are fixed, the longitudinal bars and the longitudinal bar fixing devices are released from fixing.
Furthermore, the inner side wall of the lower bottom edge of the stirrup and the highest point of the stirrup fixing device are positioned on the same horizontal plane, and the longitudinal bar is parallel to the horizontal plane. The inside wall on the lower base of stirrup and stirrup fixing device's peak are located same horizontal plane to and indulge the muscle and be parallel with the horizontal plane, can guarantee following several points, first stirrup fixing device can not produce the interference in steel reinforcement cage forming process, the second is convenient for indulge in the muscle inserts the stirrup, the third can be adjusted and indulge the interval between muscle and the stirrup base, make the interval between the two be close to zero, be favorable to the stirrup to fix outside indulging the muscle, can also guarantee that the steel reinforcement cage shaping back is straight.
The invention has the beneficial effects that: the closed stirrup type reinforcement cage comprises stirrups and longitudinal reinforcements, wherein each stirrup is formed by bending a single stirrup part and then fixing two ends of each reinforcement part, and the longitudinal reinforcements are fixed on the stirrups. According to the invention, the reinforcement cage can be manufactured only by bending the reinforcement part and fixing the two ends of the reinforcement part to form the stirrups, and then fixing the longitudinal reinforcements and the stirrups.
Drawings
The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, without inventive effort, further drawings may be derived from the following figures.
Fig. 1 is a schematic view of the overall structure of a closed stirrup reinforcement cage according to the present invention.
Fig. 2 is a schematic view showing that the stirrup and the longitudinal bar are respectively fixed in the manufacturing process of the closed stirrup type reinforcement cage.
Fig. 3 is a schematic diagram of longitudinal bars inserted into stirrups in the manufacturing process of the closed stirrup type reinforcement cage.
Fig. 4 is a first schematic view of fixing longitudinal bars and stirrups in the manufacturing process of the closed-stirrup-type reinforcement cage.
Fig. 5 is a schematic view showing the fixing of longitudinal bars and stirrups in the manufacturing process of the closed stirrup type reinforcement cage.
Fig. 6 is a third schematic view of fixing longitudinal bars and stirrups in the manufacturing process of the closed stirrup type reinforcement cage.
The figure includes:
the device comprises a stirrup 1, a longitudinal bar 2, a flat part 3, a stirrup fixing device 4 and a longitudinal bar fixing device 5.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
The closed stirrup type reinforcement cage comprises stirrups 1 and longitudinal reinforcements 2, wherein each stirrup 1 is formed by bending a single stirrup part and then fixing two ends of each reinforcement part, and the longitudinal reinforcements 2 are fixed on the stirrups 1. The reinforcement cage is simple in structure, few in manufacturing steps and simple in operation, and is beneficial to manufacturing of the reinforcement cage and shortening of the manufacturing period of the reinforcement cage.
One end of the steel bar component is lapped on the other end of the steel bar component, the lap joint part of the stirrup component just faces the part and is inwards sunken to form a flat part 3, and two ends of the steel bar component are fixed in a pressure welding mode. The one end of reinforcing bar part and the other end overlap joint of reinforcing bar part can increase the both ends area of contact of reinforcing bar part, increases the fastness after the both ends of reinforcing bar part are fixed, and the overlap joint of stirrup part is just inside sunken formation flat portion 3 to the position, can reduce the thickness of the overlap joint of stirrup part, makes the whole thickness of stirrup keep unanimous, adopts the mode of pressure welding to guarantee that the overlap joint shape keeps unanimous with the stirrup.
The stirrup part is bent and fixed and then is arranged in a rectangular or rounded rectangle. The stirrup with the rectangular or round-corner rectangular structure is better formed, so that the manufacturing period can be shortened, and meanwhile, the longitudinal reinforcement is convenient to fix with the stirrup.
The two ends of the steel bar component are fixed to form one side of a rectangle or a rounded rectangle, and the longitudinal bar is fixed to the other sides except the side of the rectangle or the rounded rectangle formed by fixing the two ends of the steel bar component. Two ends of the reinforcing steel bar part are fixed to form one side of a rectangle or a rounded rectangle, and compared with the situation that the fixed parts are positioned at four corners, the reinforcing steel bar part is fixed better, and the force born by the second whole body can be increased; the longitudinal bars are fixed on the edges except one edge of the rectangle or the rounded rectangle formed after the two ends of the steel bar component are fixed, so that the pressure of the edge with the fixed part can be reduced, and the integral bearing capacity of the stirrup can be increased.
The diameter of the stirrup part forming the stirrup 1 is 8-12mm, the length of the stirrup 1 is 400-1100mm, and the width of the stirrup 1 is 200-250 mm. Under the condition of meeting the stress, the corresponding size of the stirrup component is reduced as much as possible, and the forming of the stirrup 1 is facilitated, wherein the diameter range of the stirrup component forming the stirrup 1 is optimal within 8-12mm, the length of the stirrup 1 is 400-1100mm, and the width of the stirrup 1 is optimal within 200-250 mm.
The diameter of the longitudinal bar 2 is 16-25mm, and the length of the longitudinal bar 2 is 3-8 m. Under the condition of meeting the stress, the corresponding size of the longitudinal bar 2 is reduced as much as possible, which is beneficial to the molding of the reinforcement cage, wherein the diameter of the longitudinal bar 2 is 16-25mm, and the length of the longitudinal bar 2 is 3-8 m.
The longitudinal bars 2 are fixed on the inner side wall of the stirrup 1. Indulge muscle 2 and fix on the inside wall of stirrup 1, stirrup 1 can play the effect of protection to stirrup 1 and the position of indulging muscle 2 fixed.
The longitudinal ribs 2 are perpendicular to the stirrups 1. The longitudinal bars 2 are perpendicular to the stirrups 1, so that the reinforcement cage can be straight after being manufactured.
Example 2
The embodiment provides a method for manufacturing a closed stirrup type reinforcement cage, which is used for manufacturing the closed stirrup type reinforcement cage described in embodiment 1.
The manufacturing method of the closed stirrup type reinforcement cage comprises the following steps:
the stirrup 1 is orderly stacked, and then one edge of the stirrup 1 which is orderly stacked is placed on the stirrup fixing device 4, as shown in figure 2;
fixing one end of the longitudinal bar 2 on the longitudinal bar fixing device 5, as shown in fig. 2;
pushing the longitudinal bar fixing device 5 to insert the other end of the longitudinal bar 2 into the stirrup 1, as shown in fig. 3;
reversely pushing the longitudinal bar fixing device 5, and sequentially releasing the stirrups 1 by the stirrup fixing device 4;
the released stirrups 1 and the longitudinal bars 2 are fixed in sequence, as shown in figures 4-6;
after all the stirrups 1 and the longitudinal bars 2 are fixed, the longitudinal bars 2 and the longitudinal bar fixing devices 5 are released from fixation.
The inner side wall of the lower bottom edge of the stirrup and the highest point of the stirrup fixing device are located on the same horizontal plane, and the longitudinal bar is parallel to the horizontal plane. The inside wall on the lower base of stirrup and stirrup fixing device's peak are located same horizontal plane to and indulge the muscle and be parallel with the horizontal plane, can guarantee following several points, first stirrup fixing device can not produce the interference in steel reinforcement cage forming process, the second is convenient for indulge in the muscle inserts the stirrup, the third can be adjusted and indulge the interval between muscle and the stirrup base, make the interval between the two be close to zero, be favorable to the stirrup to fix outside indulging the muscle, can also guarantee that the steel reinforcement cage shaping back is straight.
For the stirrup fixing device, a single-conduction groove in the longitudinal bar direction can be formed in the surface of the stirrup fixing device, stirrups are placed in the groove, different mechanical arms or cylinders are used for supporting the left side edge and the right side edge of each stirrup to be fixed, and then the mechanical arms are moved to release each stirrup; the longitudinal bars and the longitudinal bar fixing devices can be fixed by clamping tools; the fixing between the longitudinal bar and the stirrup can also be realized by a manipulator instead of a human, and all the steps operated by the manipulator can also be realized by a human-hand mode.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a seal stirrup formula steel reinforcement cage which characterized in that: the hoop comprises a hoop and a longitudinal bar, wherein the hoop is formed by fixing two ends of a single hoop component after being bent, and the longitudinal bar is fixed on the hoop.
2. A closed stirrup-type reinforcement cage as in claim 1, wherein: one end of the steel bar component is lapped on the other end of the steel bar component, the lap joint part of the stirrup component just faces the part and is inwards sunken to form a flat part, and two ends of the steel bar component are fixed in a pressure welding mode.
3. A closed stirrup-type reinforcement cage as in claim 1, wherein: the stirrup component is bent and fixed and then arranged in a rectangular or round corner rectangular mode.
4. A closed stirrup-type reinforcement cage as in claim 3, wherein: the two ends of the steel bar component are fixed to form one side of a rectangle or a rounded rectangle, and the longitudinal bar is fixed to the other sides except the side of the rectangle or the rounded rectangle formed by fixing the two ends of the steel bar component.
5. A closed stirrup reinforcement cage as set forth in claim 3, wherein: the diameter of the hoop component forming the hoop is 8-12mm, the length of the hoop is 400-1100mm, and the width of the hoop is 200-250 mm.
6. A closed stirrup-type reinforcement cage as in claim 1, wherein: the diameter of the longitudinal bar is 16-25mm, and the length of the longitudinal bar is 3-8 m.
7. A closed stirrup-type reinforcement cage as in claim 1, wherein: the longitudinal bars are fixed on the inner side wall of the stirrup.
8. A closed stirrup-type reinforcement cage as in claim 1, wherein: the longitudinal bars are perpendicular to the stirrups.
9. A manufacturing method of a closed stirrup type reinforcement cage is characterized by comprising the following steps: the method comprises the following steps:
the stirrup is stacked orderly, and then one edge of the stirrup stacked orderly is placed on the stirrup fixing device;
fixing one end of the longitudinal bar on the longitudinal bar fixing device;
pushing the longitudinal bar fixing device, and inserting the other end of the longitudinal bar into the stirrup;
reversely pushing the longitudinal bar fixing device, and sequentially releasing the stirrups by the stirrup fixing device;
fixing the released stirrups and the longitudinal bars in sequence;
after all the stirrups and the longitudinal bars are fixed, the longitudinal bars and the longitudinal bar fixing devices are released from fixing.
10. A method of manufacturing a closed stirrup-type reinforcement cage according to claim 9, wherein: the inner side wall of the lower bottom edge of the stirrup and the highest point of the stirrup fixing device are located on the same horizontal plane, and the longitudinal bar is parallel to the horizontal plane.
CN202011209659.XA 2020-11-03 2020-11-03 Closed stirrup type reinforcement cage and manufacturing method thereof Pending CN114439155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011209659.XA CN114439155A (en) 2020-11-03 2020-11-03 Closed stirrup type reinforcement cage and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011209659.XA CN114439155A (en) 2020-11-03 2020-11-03 Closed stirrup type reinforcement cage and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN114439155A true CN114439155A (en) 2022-05-06

Family

ID=81360901

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011209659.XA Pending CN114439155A (en) 2020-11-03 2020-11-03 Closed stirrup type reinforcement cage and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN114439155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117718418A (en) * 2024-02-18 2024-03-19 中铁四局集团有限公司 Automatic forming processing method for segment steel reinforcement cage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117718418A (en) * 2024-02-18 2024-03-19 中铁四局集团有限公司 Automatic forming processing method for segment steel reinforcement cage
CN117718418B (en) * 2024-02-18 2024-05-03 中铁四局集团有限公司 Automatic forming processing method for segment steel reinforcement cage

Similar Documents

Publication Publication Date Title
CN109707104B (en) Concrete-filled steel tube casting body with tie bars and construction method
CN103184774A (en) Single-row reinforced concrete shear wall provided with cross diagonal bars and manufacturing method thereof
CN110847447B (en) Double-skin wall connecting structure
CN214531516U (en) Closed stirrup type reinforcement cage
CN114439155A (en) Closed stirrup type reinforcement cage and manufacturing method thereof
WO2016198720A1 (en) Method and tooling for manufacturing prestressed concrete members by molding
CN113250359B (en) Full precast concrete floor slab connection structure and design calculation method
KR20060110973A (en) Corrugated steel plate and connection apparatus of the same
CN204715539U (en) A kind of round steel pipe binding type steel concrete column and reinforced concrete beam node structure
CN111705928B (en) Splicing joint of steel pipe concrete column and reinforced concrete column and construction method
JP7157401B2 (en) Joint structure of column-center-column assembly type restraint
CN213952665U (en) Thin-wall square box positioning device for hollow floor slab framework
CN105133789A (en) Inner truss type steel pipe concrete T-shaped column and construction method thereof
CN214034398U (en) Buckled steel reinforcement cage
CN214116591U (en) Reinforcement cage structure for foundation engineering construction
CN210217164U (en) Concrete 3D prints component casing and structure
RU74644U1 (en) REINFORCED CONCRETE PILES
KR101094099B1 (en) Constructing method of slab using convex type spacer
CN202730754U (en) H-shaped support pile
CN114439154A (en) Buckled reinforcement cage and manufacturing method thereof
CN205712557U (en) The anti-buckling support of variable-thickness steel plate assembled
JP2947736B2 (en) Concrete columnar structure
CN114541622B (en) Connection structure of PVC-FRP pipe reinforced concrete column and reinforcement masonry wall
CN107326895B (en) Hot rolling U-shaped steel sheet pile
CN219569635U (en) Positioning device for reserved dowel Kong Fanxiang of frame column

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination