Folding structure of newly-added structural main beam crossing original structural floor slab and newly-added structural interlayer floor slab

By setting up a reinforcement layer on the outside of the original frame columns and using the main reinforcement, web reinforcement, and stirrup components of the heightened beam to connect the bottom structural beam and the top heightened beam, the problem of the newly added structural main beam crossing floor slabs at different elevations was solved, thus improving both economy and safety.

CN224016875UActive Publication Date: 2026-03-20CHINA CONSTR EIGHTH ENG BUREAU TECH CONSTR CO LTD
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Patent Information

Application Number
CN202520693831.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-20
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

In the construction of new structural mezzanine floors, when the new main structural beam needs to cross the original structural floor slab and the new structural mezzanine floor slab, there is an issue of inconsistent elevations, which leads to complex construction and makes it difficult to achieve improvements in economy and safety.

Method used

The original frame columns are covered with a reinforcement layer, and the newly added main structural beams include a bottom structural beam and a top heightened beam. They are connected by the main reinforcement, web reinforcement and stirrup assembly of the heightened beam. The reinforcement layer and the newly added main structural beams are fixed by steel reinforcement assembly to form a stable folded structure.

Benefits of technology

It achieves a stable connection of the newly added structural main beam across floor slabs at different elevations, improving economy and safety, and is suitable for large-scale promotion and application.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a folding structure of a newly-added structural main beam spanning an original structural floor slab and a newly-added structural interlayer floor slab, a reinforcing layer is vertically arranged and wraps the outer side face of an original frame column, and a bottom structural beam and a top heightening beam of the newly-added structural main beam are vertically arranged in the left-right direction. The top heightening beam is arranged on the bottom structural beam, the bottom structural beam and the top heightening beam are both located on the left side of the original frame column and located on the left side of the reinforcing layer and connected with the reinforcing layer, and the right end of the top main rib, the right end of the front waist rib and the right end of the rear waist rib are inserted into the reinforcing layer in the left-right direction. And the lower end of the left main reinforcement, the lower ends of the front and rear stirrups of the U-shaped stirrup, the lower end of the front middle stirrup and the lower end of the rear middle stirrup are vertically inserted into the bottom structural beam. The folding beam structure can solve the problem that the newly-added structural main beam in the newly-added structural interlayer crosses two folding beams with different elevations of the original structural floor slab and the newly-added structural interlayer floor slab, and the economical efficiency and the safety are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially in the structural beam plate of having chiseled away original structure in the structural engineering that has completed new structure interlayer technical field, concretely refers to a kind of fold type structure that new structure main beam striding original structure floor and new structure interlayer floor is added. BACKGROUND

[0002] Building engineering refers to the engineering entity of various technical works such as survey, planning, design, construction, installation and maintenance of new, reconstruction or expansion of house building and auxiliary construction.

[0003] In traditional structure dismantling and reconstruction, the elevation of new structure main beam is often uniform, and the new structure main beam can be anchored and reinforced at the frame column position; but in the construction of new structure interlayer, the elevation of new structure interlayer floor is often higher than that of original structure floor, and part of new structure main beam is located at the original structure floor elevation and part of new structure main beam is located at the new structure interlayer floor elevation, at this time, the structure is more complex, and the main beam of new structure interlayer part needs to be raised.

[0004] Therefore, it is necessary to provide a fold type structure of new structure main beam striding original structure floor and new structure interlayer floor, which can solve the problem of fold beam structure of new structure main beam striding two different elevations of original structure floor and new structure interlayer floor in new structure interlayer, improve economic efficiency and safety. CONTENT OF UTILITY MODEL

[0005] In order to overcome the above-mentioned shortcomings in the prior art, one object of the utility model is to provide a fold type structure of new structure main beam striding original structure floor and new structure interlayer floor, which can solve the problem of fold beam structure of new structure main beam striding two different elevations of original structure floor and new structure interlayer floor in new structure interlayer, improve economic efficiency and safety, and is suitable for large-scale popularization and application.

[0006] In order to achieve the above object, the utility model provides a fold type structure of new structure main beam striding original structure floor and new structure interlayer floor, which comprises original frame column, and the characteristics are that the fold type structure of new structure main beam striding original structure floor and new structure interlayer floor further comprises reinforcing layer and new structure main beam, wherein:

[0007] The reinforcing layer is vertically arranged and wrapped on the outer side of the original frame column, the new structural main beam comprises a bottom structural beam, a top heightening beam, a heightening beam main reinforcement assembly, a heightening beam waist reinforcement assembly and a heightening beam stirrup assembly, the bottom structural beam and the top heightening beam are both vertically arranged and both arranged along the left-right direction, the top heightening beam is arranged on the bottom structural beam, and the bottom structural beam and the top heightening beam are both located on the left of the original frame column and both located on the left of the reinforcing layer and both connected with the reinforcing layer;

[0008] The heightening beam main reinforcement assembly comprises a top main reinforcement and a left side main reinforcement, the top main reinforcement is arranged along the left-right direction, and the left side main reinforcement is vertically arranged, the left end of the top main reinforcement is connected with the upper end of the left side main reinforcement, the top main reinforcement and the left side main reinforcement are both located in the top heightening beam, the right end of the top main reinforcement is inserted into the reinforcing layer along the left-right direction, and the lower end of the left side main reinforcement is vertically inserted into the bottom structural beam, the number of the heightening beam main reinforcement assembly is multiple, and multiple heightening beam main reinforcement assemblies are arranged in front of and behind each other, the heightening beam waist reinforcement assembly comprises a front waist reinforcement and a rear waist reinforcement, the front waist reinforcement and the rear waist reinforcement are both arranged along the left-right direction and both located in the top heightening beam, the left end of the front waist reinforcement is located on the right of the frontmost left side main reinforcement and connected with the frontmost left side main reinforcement, the right end of the front waist reinforcement is inserted into the reinforcing layer along the left-right direction, the left end of the rear waist reinforcement is located on the right of the rearmost left side main reinforcement and connected with the rearmost left side main reinforcement, the right end of the rear waist reinforcement is inserted into the reinforcing layer along the left-right direction, and the number of the front waist reinforcement and the number of the rear waist reinforcement are both multiple, and multiple front waist reinforcements and multiple rear waist reinforcements are both vertically arranged in front of and behind each other;

[0009] The high-rise beam stirrup assembly comprises a U-shaped stirrup, a front intermediate stirrup and a rear intermediate stirrup, the U-shaped stirrup comprises a front stirrup, a rear stirrup and a top stirrup, the front stirrup and the rear stirrup are vertically arranged and spaced apart from each other in the front-rear direction, and the top stirrup is arranged between the upper ends of the front stirrup and the rear stirrup in the front-rear direction and respectively connected to the upper ends of the front stirrup and the rear stirrup, the front stirrup is arranged in front of the frontmost top main reinforcement and the plurality of front waist reinforcements and connected to the frontmost top main reinforcement and the plurality of front waist reinforcements, the rear stirrup is arranged behind the rearmost top main reinforcement and the plurality of rear waist reinforcements and connected to the rearmost top main reinforcement and the plurality of rear waist reinforcements, the top stirrup is arranged on the top main reinforcement, the front intermediate stirrup and the rear intermediate stirrup are vertically arranged and spaced apart from each other in the front-rear direction and arranged between the front stirrup and the rear stirrup, the upper ends of the front intermediate stirrup and the rear intermediate stirrup are arranged below the top stirrup and connected to the top stirrup, the upper end of the front intermediate stirrup is arranged in front of one of the top main reinforcements and connected to the one of the top main reinforcements, the upper end of the rear intermediate stirrup is arranged behind another one of the top main reinforcements and connected to the another one of the top main reinforcements, the U-shaped stirrup, the front intermediate stirrup and the rear intermediate stirrup are arranged in the top high-rise beam, the lower ends of the front stirrup, the rear stirrup, the front intermediate stirrup and the rear intermediate stirrup are vertically inserted into the bottom structural beam, and a plurality of high-rise beam stirrup assemblies are arranged left and right.

[0010] Preferably, the number of the high-rise beam main reinforcement assembly is 7.

[0011] Preferably, the number of the front waist reinforcements and the number of the rear waist reinforcements are both 5.

[0012] Preferably, the lower end of the left side main reinforcement is bent left to form a bent portion.

[0013] Preferably, the new structural main beam further comprises a tie reinforcement, one of the front waist reinforcements and one of the rear waist reinforcements are arranged in front of and behind each other, the front end and the rear end of the tie reinforcement are respectively hooked to the one of the front waist reinforcements and the one of the rear waist reinforcements, and a plurality of tie reinforcements are arranged left and right.

[0014] Preferably, the reinforcing layer comprises a left reinforcing layer, a rear reinforcing layer and a right reinforcing layer, the left reinforcing layer and the right reinforcing layer are both vertically arranged and arranged along the front-rear direction and are arranged left and right apart from each other, the rear reinforcing layer is vertically arranged and arranged along the left-right direction, the rear reinforcing layer is located between the rear side of the left reinforcing layer and the rear side of the right reinforcing layer and is connected to the rear side of the left reinforcing layer and the rear side of the right reinforcing layer respectively, the original frame column is vertically arranged and arranged along the left-right direction, the left reinforcing layer is located left of the left side of the original frame column and is connected to the left side of the original frame column, the right reinforcing layer is located right of the right side of the original frame column and is connected to the right side of the original frame column, the rear reinforcing layer is located rear of the rear side of the original frame column and is connected to the rear side of the original frame column, the bottom structure beam and the top heightening beam are both located left of the left reinforcing layer and are both connected to the left reinforcing layer, the right end of the last top main reinforcement is inserted into the rear side of the left reinforcing layer, the rear reinforcing layer and the rear side of the right reinforcing layer along the left-right direction, and the right end of the other top main reinforcement, the right end of the front waist reinforcement and the right end of the rear waist reinforcement are all inserted into the left reinforcing layer along the left-right direction.

[0015] More preferably, the part of the right end of the last top main reinforcement located in the rear side of the right reinforcing layer is bent downward to form a bent portion.

[0016] More preferably, the right end of the other top main reinforcement is bent downward to form a bent portion.

[0017] More preferably, the reinforcing layer further comprises a reinforcing layer main reinforcement assembly, a reinforcing layer stirrup assembly, a first tie, a second tie and a third tie, wherein:

[0018] The reinforcing layer hoop assembly comprises a U-shaped outer hoop, a U-shaped inner hoop, a left anchorage bar and a right anchorage bar, the U-shaped outer hoop and the U-shaped inner hoop are horizontally arranged, the openings of the U-shaped outer hoop and the U-shaped inner hoop are arranged forward, the U-shaped inner hoop is located in the U-shaped outer hoop, the left anchorage bar and the right anchorage bar are arranged along the left-right direction and are arranged left and right, the left anchorage bar is located in front of the left arms of the U-shaped outer hoop and the U-shaped inner hoop and is connected with the left arms of the U-shaped outer hoop and the U-shaped inner hoop respectively, the right anchorage bar is located in front of the right arms of the U-shaped outer hoop and the U-shaped inner hoop and is connected with the right arms of the U-shaped outer hoop and the U-shaped inner hoop respectively, the U-shaped outer hoop and the U-shaped inner hoop are located in the left reinforcing layer, the rear reinforcing layer and the right reinforcing layer respectively, the original frame column is located in the U-shaped inner hoop, the left anchorage bar is located in the left reinforcing layer and is inserted into the left side of the original frame column along the left-right direction, and the right anchorage bar is located in the right reinforcing layer and is inserted into the right side of the original frame column along the left-right direction.

[0019] The reinforcing layer main bar assembly comprises an outer main bar and an inner main bar, the outer main bar and the inner main bar are vertically arranged in the reinforcing layer, the outer main bar is located between the U-shaped outer hoop and the U-shaped inner hoop and is connected with the U-shaped outer hoop, the number of the outer main bar is multiple, and multiple outer main bars are arranged in the reinforcing layer and are arranged in the reinforcing layer, the inner main bar is located between the U-shaped inner hoop and the original frame column and is connected with the U-shaped inner hoop, and the number of the inner main bar is multiple, and multiple inner main bars are arranged in the reinforcing layer and are arranged in the reinforcing layer.

[0020] The first pull bar, the second pull bar and the third pull bar are horizontally arranged in the reinforcing layer, the first pull bar is connected with one of the outer main bars and one of the inner main bars and is inserted into the original frame column and connected with the reinforcing steel bars of the original frame column, the number of the first pull bar is multiple, and multiple first pull bars are arranged in the reinforcing layer and are arranged in the reinforcing layer, the second pull bar is connected with another outer main bar and another inner main bar and is inserted into the original frame column, the number of the second pull bar is multiple, and multiple second pull bars are arranged in the reinforcing layer and are arranged in the reinforcing layer, and the third pull bar is connected with another outer main bar and the U-shaped inner hoop, the number of the third pull bar is multiple, and multiple third pull bars are arranged in the reinforcing layer and are arranged in the reinforcing layer.

[0021] Further, the number of the first pull bar is 10, the number of the second pull bar is 7, or the number of the third pull bar is 4.

[0022] The utility model discloses the beneficial effect mainly lies in:

[0023] The utility model discloses a new structure main beam across the original structure floor and the fold type structure of new structure interlayer floor, and the reinforcing layer is vertically arranged and is covered on the outside of the original frame column, and the bottom structure beam and the top high beam of new structure main beam are all vertically arranged and are all arranged along the left and right directions, and the top high beam is arranged on the bottom structure beam, and the bottom structure beam and the top high beam are all located the left of the original frame column and are all located the left of the reinforcing layer and are all connected the reinforcing layer, and the right end of the top main reinforcement of high beam main reinforcement assembly is inserted in the reinforcing layer along the left and right directions, and the lower end of the left main reinforcement is vertically inserted in the bottom structure beam, and the right end of the front waist reinforcement of high beam waist reinforcement assembly is inserted in the reinforcing layer along the left and right directions, and the right end of the rear waist reinforcement is inserted in the reinforcing layer along the left and right directions, and the lower end of the front hoop reinforcement, the lower end of the rear hoop reinforcement, the lower end of the front intermediate hoop reinforcement and the lower end of the rear intermediate hoop reinforcement of high beam hoop reinforcement assembly are all vertically inserted in the bottom structure beam, therefore, it can solve the problem of the fold beam structure of new structure main beam across the original structure floor and the new structure interlayer floor of two different elevations in the new structure interlayer, improves the economy and safety, and is suitable for large-scale popularization and application.

[0024] These and other objects, features and advantages of the utility model will become apparent with reference to the following detailed description and drawings, and can be realized by the means, devices and their combinations specially pointed out in the utility model content. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the front view section view perspective partial schematic diagram of a specific embodiment of the fold type structure of new structure main beam across the original structure floor and the new structure interlayer floor of the utility model.

[0026] Figure 2 It is Figure 1 The sectional view partial schematic diagram of A-A position in.

[0027] Figure 3 It is Figure 1 The assembly of the original frame column and the reinforcing layer of the specific embodiment shown in the top view section view schematic diagram.

[0028] (Symbol explanation)

[0029] 1 original frame column;

[0030] 2 reinforcing layer; 201 left reinforcing layer; 202 rear reinforcing layer; 203 right reinforcing layer; 204 reinforcing layer main reinforcement assembly; 205 reinforcing layer hoop reinforcement assembly; 206 U-shaped outer hoop reinforcement; 207 U-shaped inner hoop reinforcement; 208 left reinforcing bar; 209 right reinforcing bar; 210 first drawbar; 211 second drawbar; 212 third drawbar; 213 outer main reinforcement; 214 inner main reinforcement;

[0031] 3 new structure main beam; 301 bottom structure beam; 302 top heightening beam; 303 heightening beam main reinforcement assembly; 304 heightening beam waist reinforcement assembly; 305 heightening beam stirrup assembly; 306 top main reinforcement; 307 left main reinforcement; 308 front waist reinforcement; 309 rear waist reinforcement; 310 U-shaped stirrup; 311 front intermediate stirrup; 312 rear intermediate stirrup; 313 front stirrup; 314 rear stirrup; 315 top stirrup; 316 tie reinforcement. DETAILED DESCRIPTION

[0032] In order to enable the technical content of the present application to be more clearly understood, the following embodiments are described in detail.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] Please refer to Figures 1 to 3 In a specific embodiment of the present application, the fold-type structure of the new structure main beam spanning the original structure floor and the new structure interlayer floor of the present application comprises an original frame column 1, a reinforcing layer 2 and a new structure main beam 3, wherein:

[0035] The reinforcing layer 2 is vertically arranged and wrapped on the outer side of the original frame column 1, and the new structure main beam 3 comprises a bottom structure beam 301, a top heightening beam 302, a heightening beam main reinforcement assembly 303, a heightening beam waist reinforcement assembly 304 and a heightening beam stirrup assembly 305, the bottom structure beam 301 and the top heightening beam 302 are both vertically arranged and both arranged in the left-right direction, the top heightening beam 302 is arranged on the bottom structure beam 301, and the bottom structure beam 301 and the top heightening beam 302 are both located on the left side of the original frame column 1 and both located on the left side of the reinforcing layer 2 and both connected to the reinforcing layer 2;

[0036] The high-rise beam main reinforcement assembly 303 comprises a top main reinforcement 306 and a left side main reinforcement 307, the top main reinforcement 306 is arranged along the left-right direction, the left side main reinforcement 307 is arranged vertically, the left end of the top main reinforcement 306 is connected to the upper end of the left side main reinforcement 307, the top main reinforcement 306 and the left side main reinforcement 307 are both located in the top high-rise beam 302, the right end of the top main reinforcement 306 is inserted into the reinforced layer 2 along the left-right direction, the lower end of the left side main reinforcement 307 is inserted into the bottom structural beam 301 vertically, the number of the high-rise beam main reinforcement assembly 303 is multiple, and multiple high-rise beam main reinforcement assemblies 303 are arranged in front of and behind each other; the high-rise beam waist reinforcement assembly 304 comprises a front waist reinforcement 308 and a rear waist reinforcement 309, the front waist reinforcement 308 and the rear waist reinforcement 309 are both arranged along the left-right direction and are both located in the top high-rise beam 302, the left end of the front waist reinforcement 308 is located to the right of the frontmost left side main reinforcement 307 and is connected to the frontmost left side main reinforcement 307, the right end of the front waist reinforcement 308 is inserted into the reinforced layer 2 along the left-right direction, the left end of the rear waist reinforcement 309 is located to the right of the rearmost left side main reinforcement 307 and is connected to the rearmost left side main reinforcement 307, the right end of the rear waist reinforcement 309 is inserted into the reinforced layer 2 along the left-right direction, the number of the front waist reinforcement 308 and the number of the rear waist reinforcement 309 are both multiple, and multiple front waist reinforcements 308 and multiple rear waist reinforcements 309 are both vertically arranged in front of and behind each other;

[0037] The high-rise beam stirrup assembly 305 comprises a U-shaped stirrup 310, a front intermediate stirrup 311 and a rear intermediate stirrup 312, the U-shaped stirrup 310 comprises a front stirrup 313, a rear stirrup 314 and a top stirrup 315, the front stirrup 313 and the rear stirrup 314 are vertically arranged and spaced apart from each other in front and back, and the top stirrup 315 is arranged along the front and back direction and located between the upper end of the front stirrup 313 and the upper end of the rear stirrup 314 and respectively connected to the upper end of the front stirrup 313 and the upper end of the rear stirrup 314, the front stirrup 313 is located in front of the frontmost top main muscle 306 and the plurality of front waist muscles 308 and is connected to the frontmost top main muscle 306 and the plurality of front waist muscles 308, the rear stirrup 314 is located behind the last top main muscle 306 and the plurality of rear waist muscles 309 and is connected to the last top main muscle 306 and the plurality of rear waist muscles 309, the top stirrup 315 is arranged on the top main muscle 306, the front intermediate stirrup 311 and the rear intermediate stirrup 312 are vertically arranged and spaced apart from each other in front and back and are located between the front stirrup 313 and the rear stirrup 314, the upper end of the front intermediate stirrup 311 and the upper end of the rear intermediate stirrup 312 are located below the top stirrup 315 and are connected to the top stirrup 315, the upper end of the front intermediate stirrup 311 is located in front of one of the top main muscles 306 and is connected to the one of the top main muscles 306, the upper end of the rear intermediate stirrup 312 is located behind another one of the top main muscles 306 and is connected to the another one of the top main muscles 306, the U-shaped stirrup 310, the front intermediate stirrup 311 and the rear intermediate stirrup 312 are located in the top high-rise beam 302, the lower end of the front stirrup 313, the lower end of the rear stirrup 314, the lower end of the front intermediate stirrup 311 and the lower end of the rear intermediate stirrup 312 are vertically inserted into the bottom structure beam 301, and the number of the high-rise beam stirrup assembly 305 is multiple, and multiple high-rise beam stirrup assemblies 305 are spaced apart from each other left and right.

[0038] The number of the high-rise beam main muscle assembly 303 can be determined as required, and "multiple" refers to more than two, please refer to Figure 2 In a specific embodiment of the present application, the number of the high-rise beam main muscle assembly 303 is seven.

[0039] The number of the front waist muscle 308 and the number of the rear waist muscle 309 can be determined as required, and "multiple" refers to more than two, but it does not mean that the number of the front waist muscle 308 and the number of the rear waist muscle 309 are the same, the number of the front waist muscle 308 and the number of the rear waist muscle 309 can be the same or different, please refer to Figures 1 to 2As shown in the utility model, in a specific embodiment of the utility model, the number of the front waist rib 308 and the number of the rear waist rib 309 are both five.

[0040] The lower end of the left main rib 307 can have any suitable shape, please refer to Figure 1 As shown in the utility model, in a specific embodiment of the utility model, the lower end of the left main rib 307 is bent to the left to form a bending part.

[0041] The new structure girder 3 can also include any other suitable structure, please refer to Figure 2 As shown in the utility model, in a specific embodiment of the utility model, the new structure girder 3 further includes tie ribs 316, one of the front waist ribs 308 and one of the rear waist ribs 309 are arranged in front of and behind each other, the front end and the rear end of the tie rib 316 are respectively hooked to the one of the front waist ribs 308 and the one of the rear waist ribs 309, the number of the tie rib 316 is multiple, and multiple tie ribs 316 are arranged in front of and behind each other.

[0042] The reinforcing layer 2 can have any suitable structure, please refer to Figure 1 And Figure 3 As shown in the utility model, in a specific embodiment of the utility model, the reinforcing layer 2 includes a left reinforcing layer 201, a rear reinforcing layer 202 and a right reinforcing layer 203, the left reinforcing layer 201 and the right reinforcing layer 203 are both vertically arranged and arranged along the front-rear direction and arranged in front of and behind each other, the rear reinforcing layer 202 is vertically arranged and arranged along the left-right direction, the rear reinforcing layer 202 is located between the rear side of the left reinforcing layer 201 and the rear side of the right reinforcing layer 203 and respectively connected to the rear side of the left reinforcing layer 201 and the rear side of the right reinforcing layer 203, the original frame column 1 is vertically arranged and arranged along the left-right direction, the left reinforcing layer 201 is located on the left side of the left side of the original frame column 1 and connected to the left side of the original frame column 1, the right reinforcing layer 203 is located on the right side of the right side of the original frame column 1 and connected to the right side of the original frame column 1, the rear reinforcing layer 202 is located on the rear side of the rear side of the original frame column 1 and connected to the rear side of the original frame column 1, the bottom structure beam 301 and the top high beam 302 are both located on the left side of the left reinforcing layer 201 and both connected to the left reinforcing layer 201, the right end of the last top main rib 306 is inserted in the rear side of the left reinforcing layer 201, the rear reinforcing layer 202 and the rear side of the right reinforcing layer 203 along the left-right direction, and the right end of the other top main rib 306, the right end of the front waist rib 308 and the right end of the rear waist rib 309 are all inserted in the left reinforcing layer 201 along the left-right direction.

[0043] The part of the right end of the last top main reinforcement 306 in the back side of the right side reinforcing layer 203 can have any suitable shape, see Figure 1 As shown, in a specific embodiment of the utility model, the part of the right end of the last top main reinforcement 306 in the back side of the right side reinforcing layer 203 is bent downward to form a bending part.

[0044] The right end of the other top main reinforcement 306 can have any suitable shape, see Figure 1 As shown, in a specific embodiment of the utility model, the right end of the other top main reinforcement 306 is bent downward to form a bending part.

[0045] The reinforcing layer 2 can further include any other suitable components, see Figure 3 As shown, in a specific embodiment of the utility model, the reinforcing layer 2 further includes a reinforcing layer main reinforcement assembly 204, a reinforcing layer stirrup assembly 205, a first tie 210, a second tie 211 and a third tie 212, wherein:

[0046] The reinforcing layer stirrup assembly 205 includes a U-shaped outer stirrup 206, a U-shaped inner stirrup 207, a left stirrup 208 and a right stirrup 209, the U-shaped outer stirrup 206 and the U-shaped inner stirrup 207 are both horizontally arranged, the opening of the U-shaped outer stirrup 206 and the opening of the U-shaped inner stirrup 207 are both arranged forward, the U-shaped inner stirrup 207 is located in the U-shaped outer stirrup 206, the left stirrup 208 and the right stirrup 209 are both arranged along the left-right direction and are arranged left and right with each other, the left stirrup 208 is located in front of the left arm of the U-shaped outer stirrup 206 and the left arm of the U-shaped inner stirrup 207 and is connected to the left arm of the U-shaped outer stirrup 206 and the left arm of the U-shaped inner stirrup 207 respectively, the right stirrup 209 is located in front of the right arm of the U-shaped outer stirrup 206 and the right arm of the U-shaped inner stirrup 207 and is connected to the right arm of the U-shaped outer stirrup 206 and the right arm of the U-shaped inner stirrup 207 respectively, the U-shaped outer stirrup 206 and the U-shaped inner stirrup 207 are both located in the left side reinforcing layer 201, the back side reinforcing layer 202 and the right side reinforcing layer 203, the original frame column 1 is located in the U-shaped inner stirrup 207, the left stirrup 208 is located in the left side reinforcing layer 201 and is inserted into the left side surface of the original frame column 1 along the left-right direction, the right stirrup 209 is located in the right side reinforcing layer 203 and is inserted into the right side surface of the original frame column 1 along the left-right direction;

[0047] The reinforcing layer main reinforcement assembly 204 comprises outer side main reinforcements 213 and inner side main reinforcements 214, the outer side main reinforcements 213 and the inner side main reinforcements 214 are vertically arranged in the reinforcing layer 2, the outer side main reinforcements 213 are located between the U-shaped outer hoop reinforcements 206 and the U-shaped inner hoop reinforcements 207 and connected with the U-shaped outer hoop reinforcements 206, the number of the outer side main reinforcements 213 is multiple, and the multiple outer side main reinforcements 213 are horizontally arranged around the original frame column 1 at intervals, the inner side main reinforcements 214 are located between the U-shaped inner hoop reinforcements 207 and the original frame column 1 and connected with the U-shaped inner hoop reinforcements 207, and the number of the inner side main reinforcements 214 is multiple, and the multiple inner side main reinforcements 214 are horizontally arranged around the original frame column 1 at intervals;

[0048] The first, second and third stirrups 210, 211 and 212 are horizontally arranged in the reinforcing layer 2, the first stirrups 210 are connected with one of the outer side main reinforcements 213 and one of the inner side main reinforcements 214 respectively, inserted into the original frame column 1 and connected with the reinforcing steel bars of the original frame column 1, the number of the first stirrups 210 is multiple, and the multiple first stirrups 210 are horizontally arranged around the original frame column 1 at intervals, the second stirrups 211 are connected with another outer side main reinforcement 213 and another inner side main reinforcement 214 respectively and inserted into the original frame column 1, the number of the second stirrups 211 is multiple, and the multiple second stirrups 211 are horizontally arranged around the original frame column 1 at intervals, and the third stirrups 212 are connected with another outer side main reinforcement 213 and the U-shaped inner hoop reinforcement 207 respectively, the number of the third stirrups 212 is multiple, and the multiple third stirrups 212 are horizontally arranged around the original frame column 1 at intervals.

[0049] The number of the first stirrups 210 can be determined according to requirements, please refer to Figure 3 As shown in the utility model, in a specific embodiment of the utility model, the number of the first stirrups 210 is 10.

[0050] The number of the second stirrups 211 can be determined according to requirements, please refer to Figure 3 As shown in the utility model, in a specific embodiment of the utility model, the number of the second stirrups 211 is 7.

[0051] The number of the third stirrups 212 can be determined according to requirements, please refer to Figure 3 As shown in the utility model, in a specific embodiment of the utility model, the number of the third stirrups 212 is 4.

[0052] The construction process of the utility model is briefly described as follows:

[0053] 1, the reinforcing layer 2 of the steel bar structure is constructed outside the original frame column 1

[0054] Chamfering and brushing the interface agent on the outer side of the original frame column 1;

[0055] Two main bars, i.e., the outer main bar 213 and the inner main bar 214, are vertically arranged on the outer side of the original frame column 1;

[0056] Two U-shaped stirrups, i.e., the U-shaped outer stirrup 206 and the U-shaped inner stirrup 207, are horizontally arranged on the outer side of the original frame column 1, and are connected with the outer main bar 213 and the inner main bar 214, respectively. The left planting bar 208 is arranged in front of the left arm of the U-shaped outer stirrup 206 and the left arm of the U-shaped inner stirrup 207, and is connected with the left arm of the U-shaped outer stirrup 206 and the left arm of the U-shaped inner stirrup 207, respectively, and is planted in the left side of the original frame column 1. The right planting bar 209 is arranged in front of the right arm of the U-shaped outer stirrup 206 and the right arm of the U-shaped inner stirrup 207, and is connected with the right arm of the U-shaped outer stirrup 206 and the right arm of the U-shaped inner stirrup 207, respectively, and is planted in the right side of the original frame column 1.

[0057] The first tie bar 210 is connected with one of the outer main bars 213 and one of the inner main bars 214, and is inserted into the original frame column 1 and connected, e.g., welded, with the steel bars, e.g., vertical bars, of the original frame column 1. The second tie bar 211 is connected with the other outer main bar 213 and the other inner main bar 214, and is planted in the original frame column 1. The third tie bar 212 is connected with the other outer main bar 213 and the U-shaped inner stirrup 207. That is, for the first tie bar 210 and the second tie bar 211, when there is no vertical bar in the column, they are planted in the column, and when there is a vertical bar in the column, they are connected, e.g., welded, with the vertical bar in the column, such as double-sided welding.

[0058] 2. Reinforcement structure construction of the newly-added structure main beam 3

[0059] The height-increased beam main bar assembly 303, the height-increased beam waist bar assembly 304, the height-increased beam stirrup assembly 305, and the tie bar 316 of the newly-added structure main beam 3 are arranged.

[0060] The newly-added structure main beam 3 is anchored in the reinforced layer 2. Specifically, the right end of the last top main bar 306 is inserted into the rear side of the left reinforced layer 201, the rear side of the rear reinforced layer 202, and the rear side of the right reinforced layer 203 along the left-right direction. The right end of the other top main bar 306, the right end of the front waist bar 308, and the right end of the rear waist bar 309 are all inserted into the left reinforced layer 201 along the left-right direction.

[0061] The lower end of the front stirrup 313, the lower end of the rear stirrup 314, the lower end of the front intermediate stirrup 311, and the lower end of the rear intermediate stirrup 312 are all vertically inserted into the bottom structure beam 301. The lower end of the left main bar 307 is vertically inserted into the bottom structure beam 301 and is bent to the left to form a bent portion.

[0062] 3. After all the steel bars are tied, the formwork is erected for reinforcement and concrete is poured to form the reinforcement layer 2 and the new main structural beam 3.

[0063] Therefore, by adopting this utility model, the problem of constructing a folded beam in a newly added structural mezzanine that spans two different elevations, the original structural floor slab and the newly added structural mezzanine floor slab, can be solved, thus improving both economy and safety.

[0064] In summary, the folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab of this utility model can solve the problem of folded beam construction in the newly added structural mezzanine where the newly added structural main beam spans two different elevations of the original structural floor slab and the newly added structural mezzanine floor slab, improving economy and safety, and is suitable for large-scale promotion and application.

[0065] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. A folded structure in which a newly added structural main beam spans the original structural floor slab and the newly added structural mezzanine floor slab, comprising the original frame columns, characterized in that, The folded structure of the newly added main structural beam spanning the original structural floor slab and the newly added structural mezzanine floor slab also includes a reinforcement layer and the newly added main structural beam, wherein: The reinforcement layer is vertically arranged and covers the outer surface of the original frame column. The newly added structural main beam includes a bottom structural beam, a top heightening beam, a main reinforcement assembly for the heightening beam, a web reinforcement assembly for the heightening beam, and a stirrup assembly for the heightening beam. Both the bottom structural beam and the top heightening beam are vertically arranged and both are arranged in the left-right direction. The top heightening beam is arranged on the bottom structural beam. Both the bottom structural beam and the top heightening beam are located to the left of the original frame column and to the left of the reinforcement layer, and both are connected to the reinforcement layer. The heightened beam main reinforcement assembly includes a top main reinforcement and a left main reinforcement. The top main reinforcement is arranged along the left-right direction, and the left main reinforcement is arranged vertically. The left end of the top main reinforcement is connected to the upper end of the left main reinforcement. Both the top main reinforcement and the left main reinforcement are located in the heightened beam. The right end of the top main reinforcement is inserted into the reinforcement layer along the left-right direction, and the lower end of the left main reinforcement is inserted vertically into the bottom structural beam. There are multiple heightened beam main reinforcement assemblies, which are spaced apart from each other. The heightened beam waist reinforcement assembly includes a front waist reinforcement and a rear waist reinforcement. Both the front and rear waist reinforcements are arranged along the left-right direction and are located in the top heightening beam. The left end of the front waist reinforcement is located to the right of the foremost left main reinforcement and is connected to the foremost left main reinforcement. The right end of the front waist reinforcement is inserted into the reinforcement layer along the left-right direction. The left end of the rear waist reinforcement is located to the right of the last left main reinforcement and is connected to the last left main reinforcement. The right end of the rear waist reinforcement is inserted into the reinforcement layer along the left-right direction. There are multiple front and rear waist reinforcements, and the multiple front and rear waist reinforcements are arranged vertically at intervals. The heightened beam stirrup assembly includes U-shaped stirrups, front intermediate stirrups, and rear intermediate stirrups. The U-shaped stirrups include front stirrups, rear stirrups, and top stirrups. The front and rear stirrups are vertically arranged and spaced apart from each other. The top stirrup is arranged along the front-rear direction and located between the upper ends of the front and rear stirrups, connecting the upper ends of both. The front stirrups are located before the foremost top main reinforcement and the plurality of front waist reinforcements, and are connected to both. The rear stirrups are located after the last top main reinforcement and the plurality of rear waist reinforcements, and are connected to both. The top stirrup is positioned on the top main reinforcement. The front intermediate stirrups and rear intermediate stirrups... The stirrups are arranged vertically and spaced apart from each other, all located between the front and rear stirrups. The upper ends of the front and rear middle stirrups are both located below the top stirrup and connected to it. The upper end of the front middle stirrup is located before one of the top main bars and connected to it. The upper end of the rear middle stirrup is located after another top main bar and connected to it. The U-shaped stirrups, the front middle stirrups, and the rear middle stirrups are all located in the top heightening beam. The lower ends of the front stirrups, the rear stirrups, the front middle stirrups, and the rear middle stirrups are all vertically inserted into the bottom structural beam. There are multiple heightening beam stirrup assemblies, which are spaced apart from each other on the left and right.

2. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 1, characterized in that, The number of main reinforcement components for the heightened beam is 7.

3. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 1, characterized in that, The number of the anterior lumbar tendons and the number of the posterior lumbar tendons are both 5.

4. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 1, characterized in that, The lower end of the left main reinforcement bar is bent to the left to form a bend.

5. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 1, characterized in that, The newly added structural main beam also includes tie bars, which are arranged along the front-to-back direction. One of the front waist bars and one of the rear waist bars are arranged alternately in front and back. The front end and the rear end of the tie bar are respectively hooked to one of the front waist bars and one of the rear waist bars. There are multiple tie bars, which are arranged alternately in the left and right directions.

6. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 1, characterized in that, The reinforcement layer includes a left reinforcement layer, a rear reinforcement layer, and a right reinforcement layer. The left and right reinforcement layers are both vertically arranged along the front-to-back direction and spaced apart from each other. The rear reinforcement layer is vertically arranged along the left-to-right direction and is located between the rear sides of the left and right reinforcement layers, connecting them respectively. The original frame column is vertically arranged along the left-to-right direction. The left reinforcement layer is located to the left of the left side of the original frame column and connects to its left side. The right reinforcement layer is located... The right side of the original frame column is located on the right side and connected to the right side of the original frame column. The rear reinforcement layer is located behind the rear side of the original frame column and connected to the rear side of the original frame column. The bottom structural beam and the top heightening beam are both located on the left side of the left reinforcement layer and connected to the left reinforcement layer. The right end of the top main reinforcement bar is inserted into the rear side of the left reinforcement layer, the rear reinforcement layer and the right reinforcement layer along the left-right direction. The right ends of the other top main reinforcement bars, the right ends of the front waist reinforcement bars and the right ends of the rear waist reinforcement bars are all inserted into the left reinforcement layer along the left-right direction.

7. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 6, characterized in that, The portion of the right end of the last top main reinforcement bar, located behind the right side of the reinforcement layer, bends downward to form a bent section.

8. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 6, characterized in that, The right ends of the other top main reinforcing bars are all bent downwards to form a bend.

9. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 6, characterized in that, The reinforcement layer further includes a main reinforcement assembly, a stirrup assembly, a first tie bar, a second tie bar, and a third tie bar, wherein: The reinforcing layer stirrup assembly includes a U-shaped outer stirrup, a U-shaped inner stirrup, a left anchor bar, and a right anchor bar. Both the U-shaped outer and inner stirrups are horizontally positioned, with the openings of both facing forward. The U-shaped inner stirrup is located inside the U-shaped outer stirrup. The left and right anchor bars are positioned along the left-right direction and spaced apart. The left anchor bar is located in front of the left arm of both the U-shaped outer and inner stirrups and connects to both the left arm of the outer and inner stirrups. The right anchor bar is positioned... The U-shaped outer stirrup and the U-shaped inner stirrup are connected in front of and to the right arm of the outer stirrup and the right arm of the inner stirrup, respectively. The outer stirrup and the inner stirrup are located in the left side reinforcement layer, the rear side reinforcement layer and the right side reinforcement layer, respectively. The original frame column is located inside the inner stirrup. The left anchor bar is located in the left side reinforcement layer and is inserted into the left side of the original frame column along the left and right directions. The right anchor bar is located in the right side reinforcement layer and is inserted into the right side of the original frame column along the left and right directions. The main reinforcement assembly of the reinforcement layer includes outer main reinforcement bars and inner main reinforcement bars. Both the outer and inner main reinforcement bars are vertically arranged in the reinforcement layer. The outer main reinforcement bars are located between the U-shaped outer stirrups and the U-shaped inner stirrups and are connected to the U-shaped outer stirrups. There are multiple outer main reinforcement bars, which are horizontally arranged around the original frame column at intervals. The inner main reinforcement bars are located between the U-shaped inner stirrups and the original frame column and are connected to the U-shaped inner stirrups. There are multiple inner main reinforcement bars, which are horizontally arranged around the original frame column at intervals. The first tie bar, the second tie bar, and the third tie bar are all horizontally arranged in the reinforcement layer. The first tie bar is connected to one of the outer main bars and one of the inner main bars and is inserted into the original frame column and connected to the steel bars of the original frame column. There are multiple first tie bars, which are arranged horizontally around the original frame column at intervals. The second tie bar is connected to another outer main bar and another inner main bar and is inserted into the original frame column. There are multiple second tie bars, which are arranged horizontally around the original frame column at intervals. The third tie bar is connected to another outer main bar and the U-shaped inner stirrup. There are multiple third tie bars, which are arranged horizontally around the original frame column at intervals.

10. The folded structure of the newly added structural main beam spanning the original structural floor slab and the newly added structural mezzanine floor slab as described in claim 9, characterized in that, The number of the first tie rod is 10; the number of the second tie rod is 7; or the number of the third tie rod is 4.