CN217001848U

CN217001848U - Shaft mid-board assembled construction structures

Info

Publication number: CN217001848U
Application number: CN202220743650.5U
Authority: CN
Inventors: 康海波; 赵刚应; 范仁玉; 汪大海; 汪龙
Original assignee: Sichuan Road and Bridge Group Co Ltd
Current assignee: Sichuan Road and Bridge Group Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-19
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a shaft mid-board assembled construction structure; the method comprises the steps of reserving a bracket support and prefabricating a vertical shaft partition wall module; the reserved bracket support is connected with the second lining through a steel bar; the prefabricated intermediate wall module comprises a prefabricated intermediate wall module A, a prefabricated intermediate wall module B and a prefabricated intermediate wall module C; the intermediate wall module A and the prefabricated intermediate wall module C are used for assembling two ends of the intermediate wall and are connected with a second shaft lining, and the prefabricated intermediate wall module B is an intermediate module and is used for controlling assembling precision and facilitating on-site assembling; prefabricated intermediate wall module A, prefabricated intermediate wall module B, prefabricated intermediate wall module C have prefabricated protruding mortise and tenon and prefabricated recess respectively, interlock each other through reserving unsmooth mortise and tenon groove between the module to strengthen the intermodule connection through the crab-bolt. The construction efficiency of shaft mid-board has been improved particularly, strengthened shaft mid-board and the quality of being connected of two linings, guaranteed shaft mid-board's overall stability, reduced the safety risk among the construction operation process.

Description

Shaft mid-board assembled construction structures

Technical Field

The utility model relates to the technical field of highway underground engineering construction, in particular to an assembly type construction structure for a mid-partition wall of a ventilation shaft of a highway.

Background

In the traditional construction method, the mid-board wall of the ventilation shaft of the high-speed highway is integrally cast and molded together with the two liners after the shaft is excavated and the primary support construction is finished. The traditional construction method has the following disadvantages: the binding of reinforcing steel bars of a partition wall in the vertical shaft and the installation of a template consume more working hours; meanwhile, the reinforcing quality of the connecting position of the intermediate wall and the secondary lining is difficult to control, and the cast-in-place quality of the intermediate wall is difficult to control; in addition, in the field construction process of the intermediate wall reinforcing steel bars, the field operation risk points are more, and the operation risk of construction operators is difficult to control. Therefore, the assembly type construction method for the vertical shaft mid-board can effectively improve the construction efficiency, strengthen the construction quality and control the safety risk in the construction operation process. An effective solution to the problems in the related art has not been proposed.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a shaft intermediate wall fabricated construction structure, which particularly improves construction efficiency of the shaft intermediate wall, enhances quality of connection of the shaft intermediate wall with a secondary lining, ensures overall stability of the shaft intermediate wall, and reduces safety risks during construction work.

The utility model is realized in this way, construct a shaft mid-board assembled construction structure, characterized by that; the prefabricated vertical shaft partition wall module comprises a reserved bracket support and a prefabricated vertical shaft partition wall module; the reserved bracket support is connected with the second lining through the steel bar and integrally cast with the second lining together so as to improve the strength and stability of the bracket support; the prefabricated intermediate wall module comprises a prefabricated intermediate wall module A, a prefabricated intermediate wall module B and a prefabricated intermediate wall module C; the intermediate wall module A and the prefabricated intermediate wall module C are used for assembling two ends of the intermediate wall and are connected with a second shaft lining, and the prefabricated intermediate wall module B is an intermediate module and is used for controlling assembling precision and facilitating on-site assembling; prefabricated mid-board module A, prefabricated mid-board module B, prefabricated mid-board module C have prefabricated mortise and tenon and prefabricated recess respectively to M30 bolt hole is opened in prefabricated mortise and tenon and prefabricated recess correspondence department, and the intermodule is through reserving the interlock each other of mortise and tenon groove, and strengthen the intermodule connection through the crab-bolt.

The utility model relates to a shaft mid-board assembled construction structure, which is characterized in that the structure comprises a vertical shaft mid-board and a vertical shaft mid-board; bracket support interval is confirmed according to prefabricated shaft partition wall module size, 3m one, bracket support symmetric distribution is at mid-board both ends.

The utility model relates to a shaft mid-board assembled construction structure, which is characterized in that the structure comprises a vertical shaft mid-board and a vertical shaft mid-board; and hoisting rings are arranged on the prefabricated intermediate wall module A, the prefabricated intermediate wall module B and the prefabricated intermediate wall module C respectively so as to facilitate transportation and hoisting in the assembling process.

The assembly type construction structure for the partition wall in the vertical shaft is characterized in that the assembly type construction structure comprises a vertical shaft, a vertical shaft middle wall and a vertical shaft middle wall; the upper width of the intermediate wall module A and the upper width of the prefabricated intermediate wall module C are 220cm, the lower width of the prefabricated intermediate wall module C is 290cm, the height of the prefabricated intermediate wall module A is 300cm, and the thickness of the prefabricated intermediate wall module C is 30 cm; the prefabricated intermediate wall module B is 260cm wide at the upper part, 120cm wide at the lower part, 300cm high and 30cm thick.

The assembly type construction structure for the partition wall in the vertical shaft is characterized in that the assembly type construction structure comprises a vertical shaft, a vertical shaft middle wall and a vertical shaft middle wall; the mortise and tenon structure sizes of the intermediate wall module A and the prefabricated intermediate wall module C are 115cm in upper mortise and tenon width, 30cm in height, 15cm in thickness, 115cm in lower groove width, 30cm in height, 15cm in thickness, and 20cm in groove width and 15cm in thickness when being connected with the prefabricated intermediate wall module B.

The utility model relates to a shaft mid-board assembled construction structure, which is characterized in that the structure comprises a vertical shaft mid-board and a vertical shaft mid-board; the mortise and tenon structure size of the block B of the prefabricated intermediate wall module is that the upper groove is 120cm in width, 30cm in height and 15cm in thickness, the lower mortise and tenon is 120cm in width, 30cm in height and 15cm in thickness, and the mortise and tenon structure connected with the intermediate wall module A and the prefabricated intermediate wall module C is 20cm in width and 15cm in thickness.

The utility model has the following advantages: the utility model discloses an assembly type construction structure for a mid-board of a ventilation shaft of a highway; the prefabricated construction method comprises the steps of reserving a bracket support, prefabricating a shaft partition wall module, a module mortise and tenon groove, reserving a hoisting lug, reserving an assembling bolt hole and the like during shaft second lining construction. This patent can realize the assembled construction of highway ventilation shaft mid-board, improves shaft mid-board efficiency of construction, guarantees that the pre-fabricated precision of assembling of mid-board and overall stability, control mid-board execute the safe risk of process of doing.

Drawings

Fig. 1 is a cross-sectional view of an assembly type construction structure for an intermediate wall in a ventilation shaft for an expressway;

fig. 2 is a plan view of a mid-wall fabricated construction structure of a ventilation shaft for a highway;

fig. 3-5 are detailed views of modules of the fabricated construction structure of the intermediate wall of the ventilation shaft of the expressway;

fig. 6 to 8 are block size diagrams of an assembly type construction structure for an intermediate wall of a ventilation shaft for a highway.

Wherein: reserve bracket support 1, two linings 2 (reinforced concrete), prefabricated intermediate wall module A3, prefabricated intermediate wall mould B4, prefabricated intermediate wall module C5, prefabricated mortise and tenon 6, prefabricated recess 7, M30 bolt hole 8, wall seat 9.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The utility model provides a fabricated construction structure of an expressway ventilation shaft intermediate wall by improving, and particularly improves the construction efficiency of the shaft intermediate wall, enhances the connection quality of the shaft intermediate wall and a secondary lining, ensures the integral stability of the shaft intermediate wall, and reduces the safety risk in the construction operation process.

The prefabricated construction structure of the intermediate wall in the shaft of the present invention, as shown in fig. 1 to 8, may be implemented as follows; the prefabricated vertical shaft partition wall comprises a reserved bracket support 1 and a prefabricated vertical shaft partition wall module; the reserved bracket support 1 is connected with the second liner 2 through a steel bar and integrally cast with the second liner 2 so as to improve the strength and stability of the bracket support; the prefabricated intermediate wall modules comprise prefabricated intermediate wall modules A3, prefabricated intermediate wall modules B4 and prefabricated intermediate wall modules C5; the intermediate wall module A3 and the prefabricated intermediate wall module C5 are used for assembling two ends of the intermediate wall and are connected with the second shaft lining 2, and the prefabricated intermediate wall module B4 is an intermediate module and is used for controlling assembling precision and facilitating field assembling; prefabricated intermediate wall module A3, prefabricated intermediate wall module B4, prefabricated intermediate wall module C5 have prefabricated mortise and tenon 6 and prefabricated recess 7 respectively to M30 bolt hole 8 is opened in prefabricated mortise and tenon 6 and prefabricated recess 7 correspondence department, and the intermodule is through reserving unsmooth mortise and tenon groove interlock each other, and strengthens the intermodule connection through the crab-bolt.

The implementation process is as follows:

1) reserving bracket supports 1 during second lining construction of the ventilation shaft, wherein the distance between the bracket supports 1 is determined according to the size of a prefabricated shaft partition wall module, and the bracket supports are symmetrically distributed at two ends of a middle partition wall for 3 m;

2) the reserved bracket support 1 is connected with the second lining through a steel bar and integrally cast together with the second lining so as to improve the strength and stability of the bracket support;

3) the prefabricated mid-board module consists of A, B, C blocks, wherein, the A block and the C block are used for assembling two ends of the mid-board and are connected with the second lining of the vertical shaft, and the B block is a middle module used for controlling the assembling precision and facilitating the on-site assembling;

4) the prefabricated intermediate wall module is composed of wedge-shaped modules, so that the overall stability of the intermediate wall and the occlusion degree between the modules are improved conveniently;

5) the modules are mutually occluded through reserved concave-convex mortise and tenon grooves, and the connection among the modules is strengthened through anchor bolts;

6) a, B, C the modules are all provided with hoisting rings to facilitate transportation and hoisting in the assembling process;

7) in the assembling process of the shaft intermediate wall, firstly, hoisting the A block to the assembling height from the ground, horizontally pushing the A block into the assembling position, checking the meshing precision of the two-lining prefabricated bracket support and the A block reserved bracket support, horizontally pushing the C block module into the assembling position according to the same method, and checking the meshing precision of the two-lining prefabricated bracket support and the C block reserved bracket support;

8) hoisting the B block to the assembling height, inserting the B block into a gap between the A block and the C block along the vertical direction, checking the engagement precision of the convex mortise and tenon of the B block and the reserved groove of the A, C block, and simultaneously checking the engagement degree between the B block and the lower layer B block;

9) a, B, C after being assembled to a preset position, A, B, C three pieces of connection and the connection between the current module and the lower module are strengthened by bolts;

10) and assembling the next layer of modules according to the construction method.

When in implementation: A. and the module C is 220cm wide at the upper part, 290cm wide at the lower part, 300cm high and 30cm thick, and the module B is 260cm wide at the upper part, 120cm wide at the lower part, 300cm high and 30cm thick, as shown in the attached figures 6-8.

When in implementation: A. the mortise and tenon structure size of the module C is shown in figure 2, the mortise and tenon structure has the mortise and tenon width of 115cm, the mortise and tenon height of 30cm, the mortise and tenon thickness of 15cm, the mortise and tenon width of 115cm, the mortise and tenon height of 30cm and the mortise and tenon thickness of 15cm, and the mortise and tenon structure connected with the module B has the mortise and tenon width of 20cm and the mortise thickness of 15 cm.

When in implementation: the mortise and tenon structure of the module B is shown in attached figures 6-8, the width of an upper groove is 120cm, the height of the upper groove is 30cm, the thickness of the upper groove is 15cm, the width of a lower mortise and tenon is 120cm, the height of the lower mortise and tenon is 30cm, the thickness of the lower mortise and tenon is 15cm, and the mortise and tenon structure connected with A, C is 20cm in width and 15cm in thickness.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A shaft mid-board assembled construction structure is characterized in that; the prefabricated vertical shaft partition wall comprises a reserved bracket support (1) and a prefabricated vertical shaft partition wall module; the reserved bracket support (1) is connected with the two linings (2) through reinforcing steel bars and integrally poured together with the two linings (2) so as to improve the strength and stability of the bracket support; the prefabricated intermediate wall module comprises a prefabricated intermediate wall module A (3), a prefabricated intermediate wall module B (4) and a prefabricated intermediate wall module C (5); the intermediate wall module A (3) and the prefabricated intermediate wall module C (5) are used for assembling two ends of the intermediate wall and are connected with the second shaft lining (2), and the prefabricated intermediate wall module B (4) is an intermediate module and is used for controlling assembling precision and facilitating field assembling;

prefabricated mid-board module A (3), prefabricated mid-board module B (4), prefabricated mid-board module C (5) have prefabricated mortise and tenon (6) and prefabricated recess (7) respectively to correspond department at prefabricated mortise and tenon (6) and prefabricated recess (7) and open M30 bolt hole (8), the intermodule is through reserving the interlock each other of mortise and tenon groove, and strengthen intermodule connection through the crab-bolt.

2. A shaft intermediate wall fabricated construction structure according to claim 1, wherein; the distance between the bracket supports (1) is determined according to the size of the prefabricated vertical shaft partition wall module, and the bracket supports are symmetrically distributed at two ends of the intermediate partition wall for 3 m.

3. A shaft intermediate wall fabricated construction structure according to claim 1, wherein; and hoisting rings (9) are installed on the prefabricated intermediate wall module A (3), the prefabricated intermediate wall module B (4) and the prefabricated intermediate wall module C (5) respectively so as to facilitate transportation and hoisting in the assembling process.

4. A shaft intermediate wall fabricated construction structure according to claim 1, wherein; the upper width of the intermediate wall module A (3) and the lower width of the prefabricated intermediate wall module C (5) are 220cm, the lower width of the prefabricated intermediate wall module C is 290cm, the height of the prefabricated intermediate wall module C is 300cm, and the thickness of the prefabricated intermediate wall module C is 30 cm; the prefabricated intermediate wall module B (4) is 260cm wide at the upper part, 120cm wide at the lower part, 300cm high and 30cm thick.

5. A shaft intermediate wall fabricated construction structure according to claim 1, wherein; the mortise and tenon structural sizes of the intermediate wall module A (3) and the prefabricated intermediate wall module C (5) are 115cm in upper mortise and tenon width, 30cm in height, 15cm in thickness, 115cm in lower groove width, 30cm in height and 15cm in thickness, and the groove width and the groove thickness are 20cm and 15cm respectively when the prefabricated intermediate wall module B (4) is connected.

6. A shaft intermediate wall prefabricated construction structure according to claim 1, wherein; the mortise and tenon structure of the prefabricated intermediate wall module B (4) has the size that the upper groove is 120cm wide, the height is 30cm, the thickness is 15cm, the mortise and tenon width is 120cm, the height is 30cm and the thickness is 15cm, and the mortise and tenon structure connected with the intermediate wall module A (3) and the prefabricated intermediate wall module C (5) is 20cm wide and 15cm thick.