CN215053044U

CN215053044U - Connecting structure of support beam with prestressed part and reinforced concrete member

Info

Publication number: CN215053044U
Application number: CN202120385554.3U
Authority: CN
Inventors: 方华建; 胡琦; 徐晓兵; 黄星迪; 黄天明; 王涛; 朱海娣; 竹相; 李健平; 娄泽峰; 邓以亮
Original assignee: Dongtong Geotechnical Science And Technology Inc
Current assignee: Dongtong Geotechnical Science And Technology Inc
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2021-12-07
Anticipated expiration: 2031-02-21

Abstract

The utility model provides a supporting beam and reinforced concrete member's connection structure with prestressing force spare, including shaped steel supporting beam (1), support standard component (2), a left side adds pressure (31), right side adds pressure (32) and reinforced concrete member, support standard component (2) equidistance and distribute and set up between a left side adds pressure (31) and right side adds pressure (32), the tip fixed connection of a left side pressure (31) and shaped steel supporting beam (1), right side adds pressure (32) and reinforced concrete member fixed connection, and a left side adds pressure (31) and right side and adds pressure (32) and all perpendicular with shaped steel supporting beam (1). Through left pressure (31) and right pressure (32) perpendicular to shaped steel supporting beam (1) for whole combination braced system prop the axle power in same direction, thereby improve the support ability of braced system to the foundation ditch, guarantee the safety and stability of foundation ditch system.

Description

Connecting structure of support beam with prestressed part and reinforced concrete member

Technical Field

The utility model belongs to the technical field of building foundation pit enclosure, concretely relates to a supporting beam and reinforced concrete member's connection structure with prestressing force spare.

Background

In order to ensure the safety and efficiency of the construction of the underground main structure in the deep foundation pit engineering, a building enclosure and a plurality of support structures are generally required to be arranged around the foundation pit. The supporting beams are oppositely supported between the surrounding purlin beams on the two opposite sides, so that the supporting for the foundation pit is formed, and the supporting strength of the foundation pit supporting system is ensured.

In the prior art, the prestress pressurizing assembly usually has two supporting parts which can be mutually propped open, a jack device is arranged between the two supporting parts to apply prestress in the actual construction process, and the two supporting parts are not supported in the transverse direction, so that the parts connected with the supporting beam sink under the gravity action of the supporting beam, the elevations of the two supporting parts of the prestress pressurizing assembly are different, the supporting shaft force of the whole combined supporting beam is different in the same direction, and the supporting capacity of the supporting beam to a foundation pit is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the supporting effect of the existing supporting beam is lower, the supporting shaft force is not in the same direction and the like, the application provides a supporting beam connecting structure with a pre-stressed piece, so that the technical defect problem that the supporting effect of the supporting beam is lower in the process of applying pre-stress is solved.

The utility model provides a supporting beam and reinforced concrete member's connection structure with prestressing force spare, including shaped steel supporting beam, support standard component, left side pressurization piece, right side pressurization piece and reinforced concrete member, support standard component equidistance and distribute and set up between left side pressurization piece and right side pressurization piece, the tip fixed connection of left side pressurization piece and shaped steel supporting beam, right side pressurization piece and reinforced concrete member fixed connection, and left side pressurization piece and right side pressurization piece all are perpendicular with shaped steel supporting beam. Through the vertical setting of left pressurization spare and right pressurization spare and shaped steel supporting beam for whole combination support system props the axle power in same direction, thereby improves the support ability of support system to the foundation ditch, guarantees the safety and stability of foundation ditch system.

Preferably, the central axis of the support standard and the central axis of the steel section support beam are coincident with each other. The central axis of the supporting standard component and the central axis of the section steel supporting beam are overlapped, so that the supporting axial force of the whole combined supporting system is on the same horizontal straight line.

Preferably, an expansion slot is arranged between two adjacent support standards. The left pressure piece and the right pressure piece are opened by inserting the hydraulic pliers into the expansion slot in the actual operation process.

Preferably, the left and right pressing members are each provided with a support steel plate parallel to the section steel support beam. The weight of the pressurizing piece is reduced while the strength of the supporting structures of the left pressurizing piece and the right pressurizing piece is ensured, and the actual construction operation is facilitated.

Preferably, the left pressurizing piece is fixedly connected with the section steel support beam through welding or high-strength bolts. The left pressurizing piece is more firmly fixedly connected with the section steel supporting beam through the high-strength bolt.

Preferably, one side of the reinforced concrete member is provided with an embedded screw, and the right pressurizing piece is fixedly connected with the reinforced concrete member through the embedded screw. The right pressurizing piece is fixedly connected with the reinforced concrete member more firmly through the embedded screw, and the construction safety factor is improved.

Preferably, the reinforced concrete member includes a triangular concrete beam, a capping beam, a wale, a structural floor or an outer wall.

Preferably, the supporting standard members are arranged between the left pressurizing member and the right pressurizing member in an equidistant distribution manner through high-strength bolts. So as to ensure the integral stress of the combined supporting system to be uniform and reduce the loss of prestress.

Preferably, the steel support beam is an H-shaped steel with a plurality of open holes. The H-shaped steel material has light dead weight, and can avoid eccentric compression and stress loss.

Compared with the prior art, the utility model discloses a beneficial achievement lies in:

through the vertical setting of left pressurization spare and right pressurization spare and shaped steel supporting beam for whole combination support system props the axle power in same direction, thereby improves the support ability of support system to the foundation ditch, guarantees the safety and stability of foundation ditch system.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

FIG. 1 is a schematic structural view of the connection between the right pressure member and the triangular concrete beam of the present invention;

FIG. 2 is a schematic view of the right compression member of the present invention connected to the capping beam;

FIG. 3 is a schematic structural view of the right pressing member of the present invention connected to the wale;

fig. 4 is a schematic view of the connection between the right pressurizing member and the floor slab with the built structure according to the present invention.

Fig. 5 is a schematic view of the connection between the right pressure member and the outer wall according to the present invention.

Reference numerals: 1-a steel support beam; 2-supporting a standard; 31-a left compression member; 32-right pressure member; 33-supporting steel plates; 41-triangular concrete beam; 42(a) -capping beam; 42(b) -wale; 43(a) -structural floor slab; 43(b) -exterior walls; 5-expanding the slot; 6-pre-burying the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1: as shown in fig. 1, the utility model provides a supporting beam connection structure with prestressing member, including shaped steel supporting beam 1, support standard component 2, left pressurization piece 31, right pressurization piece 32 and reinforced concrete component, reinforced concrete component includes triangular concrete beam 41, capping beam 42(a) wale 42(b), built structure floor 43(a) or outer wall 43 (b). The supporting standard parts 2 are arranged between the left pressurizing part 31 and the right pressurizing part 32 in an equidistant distribution mode, the left pressurizing part 31 and the right pressurizing part 32 are perpendicular to the section steel supporting beam 1, and the central axis of the supporting standard parts 2 can be coincident with the central axis of the section steel supporting beam 1. The left pressurizing piece 31 is fixedly connected with the end part of the section steel supporting beam 1 through welding or high-strength bolts, and the left pressurizing piece 31 is more firmly fixedly connected with the section steel supporting beam 1 through the high-strength bolts. The triangular concrete beam 41 is provided with an embedded screw 6 with the diameter of 24mm on one side in the construction process, and the right pressurizing piece 32 is fixedly connected with the triangular concrete beam 41 through the embedded screw 6. The fixed connection between the right pressurizing part 32 and the triangular concrete beam 41 is firmer through the pre-buried screw 6, and the construction safety factor is improved. Through the equal perpendicular to shaped steel supporting beam 1 of left pressure member 31 and right pressure member 32 for whole combination support system prop the axle power in same direction, will support the central axis of standard component 2 and the central axis of shaped steel supporting beam 1 coincide each other and can make whole combination support system prop the axle power on same horizontal straight line, thereby improve the support ability of support system to the foundation ditch, guarantee the safety and stability of foundation ditch system.

The supporting standard parts 2 are arranged between the left pressurizing part 31 and the right pressurizing part 32 in an equidistant distribution mode through high-strength bolts, and the expansion slots 5 are formed between every two adjacent supporting standard parts 2. In the actual operation process, firstly, the high-strength bolts between the support standard component 2 and the left pressurizing component 31 and the right pressurizing component 32 are loosened, the hydraulic pliers are sequentially inserted into the expansion slot 5 to mutually support the left pressurizing component 31 and the right pressurizing component 32, a gap generated between the support standard component 2 and the left pressurizing component 31 or between the support standard component 2 and the right pressurizing component 32 is supported, and a pre-tightening inserting plate or a pre-tightening inserting plate is inserted into the gap to keep the pre-stress on the left pressurizing component 31 and the right pressurizing component 32, so that the integral stress of the combined support system is ensured to be uniform, and the loss of the pre-stress is reduced.

The left and right pressing

members

31 and 32 are each provided with a support steel plate 33 parallel to the section steel support beam 1. So as to reduce the weight of the left and right pressing

members

31 and 32 while ensuring the strength of the supporting structure of the left and right pressing

members

31 and 32, thereby facilitating the actual construction operation. The section steel support beam 1 is H-shaped steel with a plurality of open pores. The H-shaped steel material has light dead weight, and can avoid eccentric compression and stress loss.

Example 2: the rest of the structure in this example is as in example 1, except that: as shown in fig. 2, the reinforced concrete member is a capping beam 42(a), an embedded screw 6 having a diameter of 24mm is disposed at one side of the capping beam 42(a) during a construction process thereof, and the right pressing member 32 is fixedly connected to the capping beam 42 through the embedded screw 6. The fixed connection between the right pressurizing piece 32 and the capping beam 42(a) is firmer by embedding the screw 6, and the construction safety factor is improved.

Example 3: the rest of the structure in this example is as in example 1, except that: as shown in fig. 3, the reinforced concrete member is a wale 42 (b).

Example 4: the rest of the structure in this example is as in example 1, except that: as shown in fig. 4, the reinforced concrete member is a built structural floor 43 (a).

Example 5: the rest of the structure in this example is as in example 1, except that: as shown in fig. 5, the reinforced concrete member is an outer wall 43 (b).

While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A connecting structure of a supporting beam with a prestressed piece and a reinforced concrete member is characterized by comprising a steel supporting beam (1), a supporting standard piece (2), a left pressurizing piece (31), a right pressurizing piece (32) and the reinforced concrete member, wherein the supporting standard piece (2) is arranged between the left pressurizing piece (31) and the right pressurizing piece (32) in an equidistant mode, the left pressurizing piece (31) is fixedly connected with the end portion of the steel supporting beam (1), the right pressurizing piece (32) is fixedly connected with the reinforced concrete member, and the left pressurizing piece (31) and the right pressurizing piece (32) are perpendicular to the steel supporting beam (1).

2. A connecting structure of a support beam having a prestressed member and a reinforced concrete structure according to claim 1, wherein the central axis of the support standard member (2) and the central axis of the section steel support beam (1) coincide with each other.

3. A connection structure of a support beam having prestressed members and reinforced concrete structure as claimed in claim 2, wherein expansion slots (5) are formed between adjacent two of said support modules (2).

4. A connecting structure of a support beam having a prestressed member and a reinforced concrete structure according to claim 3, wherein the left and right pressing members (31, 32) are each provided with a support steel plate (33) parallel to the section steel support beam (1).

5. A connecting structure of a support beam with prestressed members and reinforced concrete structure as claimed in claim 4, wherein said left pressing member (31) is fixedly connected to said section steel support beam (1) by welding or high-strength bolts.

6. A connecting structure of a support beam having a prestressed member and a reinforced concrete member according to claim 5, wherein a pre-buried screw (6) is provided at one side of the reinforced concrete member, and the right pressurizing member (32) is fixedly connected to the reinforced concrete member by the pre-buried screw (6).

7. A connection structure of a support beam having a prestressed member and a reinforced concrete member as recited in claim 6, wherein the reinforced concrete member comprises a triangular concrete beam (41), a capping beam (42a), a wale (42b), a structural floor (43a) or an outer wall (43 b).

8. A connection structure of a support beam having a prestressed member and a reinforced concrete structure according to claim 7, wherein the support standard members (2) are disposed between the left and right pressurizing members (31, 32) at equal intervals by means of high-strength bolts.

9. A connecting structure of a support beam having prestressed members and reinforced concrete structure as claimed in any one of claims 1 to 8, wherein said section steel support beam (1) is an H-shaped steel having a plurality of open holes.