Reinforcing structure for slotting adjacent to existing building
By using reinforcement components for pre-reinforcement on the foundation close to the existing building, the impact of trench excavation on building deformation is solved, and the creation of a safe construction environment and the reduction of construction costs are achieved.
Patent Information
- Application Number
- CN202421804428.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
When excavating trenches immediately adjacent to existing buildings, the prior art is difficult to ensure that the deformation of the building is within the allowable range, affecting construction safety and reliability.
Using reinforcement components, including the first reinforcement pile and the second reinforcement pile, the foundation foundation of the existing building is pre-reinforced to form overlapping parts to enhance the stability of the foundation foundation and ensure that the deformation of the building is within the allowable range.
Through pre-reinforcement, a safe construction environment is created, ensuring that the deformation of the building is within the allowable range, suitable for large-scale promotion and application, and reducing construction costs.
Smart Images
Figure CN222975920U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to the technical field of grooving adjacent to existing buildings, and specifically refers to a reinforcement structure for grooving adjacent to existing buildings. Background Technique
[0002] Building construction refers to the production activities in the implementation stage of project construction, which is the construction process of various buildings. It can also be said to be the process of turning the various lines on the design drawings into physical objects at the designated location. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc.
[0003] With the development and renewal of the city, it has become increasingly difficult to meet the daily needs of the public in terms of the living and commercial scale in the old city. Between meeting the use requirements and protecting urban civilization, how to reduce land resource waste and develop underground space comprehensively, orderly and reasonably has become an inevitable trend of development. In the city space where every inch of land is precious and land resources are extremely scarce, the transformation of the old urban area requires full utilization of underground space. In a specific environment, it is necessary to excavate trenches adjacent to buildings to lay various functional pipelines. However, the excavation of trenches has a certain impact on the safety and reliability of adjacent buildings.
[0004] Therefore, it is hoped to provide a reinforcement structure for grooving adjacent to existing buildings, which can pre-reinforce the foundation of existing buildings before grooving adjacent to existing buildings, create a safe construction environment for adjacent trench excavation, and ensure that the deformation of existing buildings is within the allowable range. Content of the Utility Model
[0005] In order to overcome the above-mentioned shortcomings in the prior art, an object of the utility model is to provide a reinforcement structure for grooving adjacent to existing buildings, which can pre-reinforce the foundation of existing buildings before grooving adjacent to existing buildings, create a safe construction environment for adjacent trench excavation, ensure that the deformation of existing buildings is within the allowable range, and is suitable for large-scale popularization and application.
[0006] Another object of the utility model is to provide a reinforcement structure for grooving adjacent to existing buildings, which is ingeniously designed, has a simple structure, is easy to construct, has a low construction cost, and is suitable for large-scale popularization and application.
[0007] To achieve the above object, the utility model provides a reinforcement structure for trenching adjacent to an existing building, including the existing building, the foundation, the formation to be excavated, and the trench to be excavated. The formation to be excavated and the foundation are arranged in abutting contact with each other from left to right in sequence. The existing building is arranged on the foundation in the front-rear direction. The trench to be excavated is arranged in the top surface of the formation to be excavated in the front-rear direction. The feature is that the reinforcement structure for trenching adjacent to an existing building further includes a reinforcement component, wherein:
[0008] The reinforcement component includes a first reinforcement pile and a second reinforcement pile. The first reinforcement pile is arranged vertically, and the second reinforcement pile is arranged obliquely in the left-right direction. The left end of the second reinforcement pile is higher than the right end of the second reinforcement pile. The left end of the second reinforcement pile overlaps with the upper end of the first reinforcement pile to form an overlapping part. The reinforcement component is vertically inserted into the left side of the foundation. The upward part of the overlapping part protrudes above the top surface of the foundation and is located on the left side of the existing building. The number of the reinforcement components is multiple, and the multiple reinforcement components are arranged in sequence from front to back.
[0009] Preferably, the left end of the second reinforcement pile is located on the right side of the upper end of the first reinforcement pile and is connected to the upper end of the first reinforcement pile.
[0010] Preferably, the overlapping length of the left end of the second reinforcement pile overlapping with the upper end of the first reinforcement pile is 800 mm to 1200 mm.
[0011] Preferably, the diameter of the first reinforcement pile is 600 mm to 1000 mm, and the length of the first reinforcement pile is 3 m to 6 m.
[0012] Preferably, the diameter of the second reinforcement pile is 600 mm to 1000 mm, and the length of the second reinforcement pile is 2 m to 5 m.
[0013] Preferably, the multiple reinforcement components are arranged in abutting contact with each other from front to back.
[0014] More preferably, the first reinforcement piles of the multiple reinforcement components are arranged in abutting contact with each other from front to back.
[0015] More preferably, the second reinforcement piles of the multiple reinforcement components are arranged in abutting contact with each other from front to back.
[0016] Preferably, the first reinforcement pile is a direct injection pile.
[0017] Preferably, the second reinforcement pile is an inclined injection pile.
[0018] The beneficial effects of the utility model mainly lie in:
[0019] 1. In the reinforcement structure for trenching adjacent to an existing building of the present utility model, the to-be-excavated formation and the foundation are arranged in abutting contact with each other from left to right. The existing building is arranged on the foundation in the front-back direction. The to-be-excavated trench is arranged in the top surface of the to-be-excavated formation in the front-back direction. The reinforcement assembly includes a first reinforcement pile and a second reinforcement pile. The first reinforcement pile is arranged vertically, and the second reinforcement pile is arranged obliquely in the left-right direction. The left end of the second reinforcement pile is higher than the right end of the second reinforcement pile. The left end of the second reinforcement pile overlaps with the upper end of the first reinforcement pile to form an overlapping part. The reinforcement assembly is vertically inserted into the left side of the foundation. The upward part of the overlapping part protrudes above the top surface of the foundation and is located on the left side of the existing building. The number of the reinforcement assemblies is multiple, and the multiple reinforcement assemblies are arranged in sequence from front to back. Therefore, it can pre-reinforce the foundation of the existing building before trenching adjacent to the existing building, create a safe construction environment for the adjacent trench excavation, ensure that the deformation of the existing building is within the allowable range, and is suitable for large-scale popularization and application.
[0020] 2. In the reinforcement structure for trenching adjacent to an existing building of the present utility model, the to-be-excavated formation and the foundation are arranged in abutting contact with each other from left to right. The existing building is arranged on the foundation in the front-back direction. The to-be-excavated trench is arranged in the top surface of the to-be-excavated formation in the front-back direction. The reinforcement assembly includes a first reinforcement pile and a second reinforcement pile. The first reinforcement pile is arranged vertically, and the second reinforcement pile is arranged obliquely in the left-right direction. The left end of the second reinforcement pile is higher than the right end of the second reinforcement pile. The left end of the second reinforcement pile overlaps with the upper end of the first reinforcement pile to form an overlapping part. The reinforcement assembly is vertically inserted into the left side of the foundation. The upward part of the overlapping part protrudes above the top surface of the foundation and is located on the left side of the existing building. The number of the reinforcement assemblies is multiple, and the multiple reinforcement assemblies are arranged in sequence from front to back. Therefore, it has a clever design, a simple structure, is easy to construct, has a low construction cost, and is suitable for large-scale popularization and application.
[0021] These and other objects, features and advantages of the present utility model are fully embodied by the following detailed description and the drawings, and can be realized by the means, devices and their combinations specifically pointed out in the utility model content. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 is the front view schematic diagram of a specific embodiment of the reinforcement structure for trenching adjacent to an existing building of the present utility model.
[0023] Figure 2 is Figure 1 the front view schematic diagram before the construction of the first reinforcement pile of the shown specific embodiment.
[0024] Figure 3 is Figure 1 the front view schematic diagram of the construction of the first reinforcement pile of the shown specific embodiment.
[0025] Figure 4 yes Figure 1 A schematic front view of the construction of a second reinforcement pile of the specific embodiment shown.
[0026] Figure 5 is Figure 1 The schematic front view of the specific embodiment shown is after the reinforcement assembly is constructed and the trench to be excavated is excavated.
[0027] (Explanation of symbols)
[0028] 1 existing buildings; 2 foundation; 3 stratum to be excavated; 4 trench to be excavated; 5 reinforcement components; 6 first reinforcement piles; 7 second reinforcement piles; 8 overlapping parts; 9 variable angle high pressure rotary jet drilling rig. DETAILED DESCRIPTION
[0029] In order to more clearly understand the technical content of the present invention, the following embodiments are given in detail.
[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0031] See also Figure 1 As shown, in a specific embodiment of the utility model, the reinforcement structure of the utility model for trenching adjacent to an existing building comprises an existing building 1, a foundation 2, a stratum to be excavated 3, a trench to be excavated 4 and a reinforcement assembly 5, wherein:
[0032] The stratum to be excavated 3 and the foundation 2 are arranged in abutment with each other in sequence, the existing building 1 is arranged on the foundation 2 along the front-back direction, and the trench to be excavated 4 is used to be arranged in the top surface of the stratum to be excavated 3 along the front-back direction;
[0033] The reinforcement component 5 includes a first reinforcement pile 6 and a second reinforcement pile 7, the first reinforcement pile 6 is vertically arranged, and the second reinforcement pile 7 is inclined in the left and right directions, the left end of the second reinforcement pile 7 is higher than the right end of the second reinforcement pile 7, and the left end of the second reinforcement pile 7 overlaps with the upper end of the first reinforcement pile 6 to form an overlapping portion 8, and the reinforcement component 5 is vertically inserted into the left side of the foundation 2, and the overlapping portion 8 protrudes upward from the top surface of the foundation 2 and is located on the left side of the existing building 1. The number of the reinforcement components 5 is multiple, and the multiple reinforcement components 5 are arranged in sequence front and back.
[0034] In the above description, the existing building 1 is an existing and current building; the formation to be excavated 3 is the formation that has not been excavated and will need to be excavated in the future for a trench; the trench to be excavated 4 is the trench that has not been excavated and will need to be excavated in the future.
[0035] The left end of the second reinforcement pile 7 overlaps with the upper end of the first reinforcement pile 6, and any suitable structure can be adopted. Please refer to Figure 1 As shown, in a specific embodiment of the present invention, the left end of the second reinforcement pile 7 is located on the right side of the upper end of the first reinforcement pile 6 and is connected to the upper end of the first reinforcement pile 6.
[0036] The overlapping length of the left end of the second reinforcement pile 7 overlapping with the upper end of the first reinforcement pile 6 can be determined as needed. Preferably, the overlapping length of the left end of the second reinforcement pile overlapping with the upper end of the first reinforcement pile is 800 mm to 1200 mm. In a specific embodiment of the present invention, the overlapping length of the left end of the second reinforcement pile 7 overlapping with the upper end of the first reinforcement pile 6 is 1000 mm.
[0037] The diameter and length of the first reinforcement pile 6 can be determined as needed. Preferably, the diameter of the first reinforcement pile is 600 mm to 1000 mm, and the length of the first reinforcement pile is 3 m to 6 m. In a specific embodiment of the present invention, the diameter of the first reinforcement pile 6 is 800 mm, and the length of the first reinforcement pile 6 is 4 m.
[0038] The diameter and length of the second reinforcement pile 7 can be determined as needed. Preferably, the diameter of the second reinforcement pile is 600 mm to 1000 mm, and the length of the second reinforcement pile is 2 m to 5 m. In a specific embodiment of the present invention, the diameter of the second reinforcement pile 7 is 800 mm, and the length of the second reinforcement pile 7 is 4 m.
[0039] The number of the reinforcement assemblies 5 can be determined as needed. The above "a plurality of" means more than 2. In a specific embodiment of the present invention, the number of the reinforcement assemblies 5 is 40.
[0040] A plurality of the reinforcement assemblies 5 are arranged in sequence front and back. They can be arranged in sequence and abutted against each other front and back, or they can not be arranged in sequence and abutted against each other front and back. In a specific embodiment of the present invention, the plurality of the reinforcement assemblies 5 are arranged in sequence and abutted against each other front and back.
[0041] When the plurality of the reinforcement components 5 are arranged in abutting relation in sequence from front to back, the first reinforcement piles 6 of the plurality of the reinforcement components 5 may be arranged in abutting relation in sequence from front to back, or may not be arranged in abutting relation in sequence from front to back. In a specific embodiment of the present invention, the first reinforcement piles 6 of the plurality of the reinforcement components 5 are arranged in abutting relation in sequence from front to back.
[0042] When the plurality of the reinforcement components 5 are arranged in abutting relation in sequence from front to back, the second reinforcement piles 7 of the plurality of the reinforcement components 5 may be arranged in abutting relation in sequence from front to back, or may not be arranged in abutting relation in sequence from front to back. In a specific embodiment of the present invention, the second reinforcement piles 7 of the plurality of the reinforcement components 5 are arranged in abutting relation in sequence from front to back.
[0043] The first reinforcement pile 6 may be any suitable reinforcement pile. In a specific embodiment of the present invention, the first reinforcement pile 6 is a straight jet grouting pile.
[0044] The second reinforcement pile 7 may be any suitable reinforcement pile. In a specific embodiment of the present invention, the second reinforcement pile 7 is an inclined jet grouting pile.
[0045] Before construction, as Figure 2 shown, the existing building 1 is arranged on the foundation 2 in the front-back direction, the to-be-excavated formation 3 and the foundation 2 are arranged in abutting relation in sequence from left to right (usually integrally formed), and a to-be-excavated trench 4 needs to be excavated in the top surface of the to-be-excavated formation 3 in the front-back direction. Before excavating the to-be-excavated trench 4, it is necessary to reinforce the foundation 2 in advance. During construction, the first reinforcement pile 6 is constructed first, and then the second reinforcement pile 7 is constructed from the upper end of the first reinforcement pile 6 obliquely downward to the right. Specifically, a variable-angle high-pressure jet grouting rig 9 can be used to form the first reinforcement pile 6 (i.e., the straight jet grouting pile) (as Figure 3 shown) and the second reinforcement pile 7 (i.e., the inclined jet grouting pile) (as Figure 4 shown), and then the to-be-excavated trench 4 is excavated in the top surface of the to-be-excavated formation 3 in the front-back direction. After excavation, it is as Figure 5 shown.
[0046] Therefore, by adopting the present invention, in the form of a combination of straight piles and inclined piles, the foundation of the existing building is consolidated and reinforced to ensure that the deformation of the existing building is supported, and then the trench excavation adjacent to the existing building is carried out.
[0047] By means of the present invention, the foundation affected by the trench excavation is pre-reinforced in advance, and the existing building is effectively lifted by the pre-reinforced foundation, creating a safe construction environment for the adjacent trench excavation and ensuring that the building deformation is within the allowable range.
[0048] In summary, the reinforcement structure for trenching adjacent to existing buildings of the present utility model can pre-reinforce the foundation of existing buildings before trenching adjacent to them, create a safe construction environment for the excavation of adjacent trenches, ensure that the deformation of existing buildings is within the allowable range, with ingenious design, simple structure, convenient construction, low construction cost, and is suitable for large-scale popularization and application.
[0049] Thus, the object of the present utility model has been fully and effectively achieved. The functions and structural principles of the present utility model have been demonstrated and explained in the embodiments, and the implementation manners can be arbitrarily modified without departing from the above principles. Therefore, the present utility model includes all modified implementation manners based on the spirit and scope of the claims.
Claims
1. A reinforcement structure for trenching adjacent to an existing building, comprising an existing building, a foundation, a stratum to be excavated and a trench to be excavated, wherein the stratum to be excavated and the foundation are arranged in abutment with each other in sequence from left to right, the existing building is arranged on the foundation along the front-to-back direction, and the trench to be excavated is used to be arranged in the top surface of the stratum to be excavated along the front-to-back direction, characterized in that: The reinforcement structure for cutting a groove adjacent to an existing building also includes a reinforcement assembly, wherein: The reinforcement assembly includes a first reinforcement pile and a second reinforcement pile, the first reinforcement pile is vertically arranged, the second reinforcement pile is inclined in the left and right directions, the left end of the second reinforcement pile is higher than the right end of the second reinforcement pile, the left end of the second reinforcement pile overlaps with the upper end of the first reinforcement pile to form an overlapping portion, the reinforcement assembly is vertically inserted into the left side of the foundation, the upper part of the overlapping portion protrudes out of the top surface of the foundation and is located on the left side of the existing building, the number of the reinforcement assemblies is multiple, and the multiple reinforcement assemblies are arranged in sequence front and back.
2. The reinforcement structure for grooving adjacent to an existing building as claimed in claim 1, characterized in that: The left end of the second reinforcement pile is located on the right side of the upper end of the first reinforcement pile and is connected to the upper end of the first reinforcement pile.
3. The reinforcement structure for grooving adjacent to an existing building as claimed in claim 1, characterized in that: The overlapping length of the left end of the second reinforcement pile and the upper end of the first reinforcement pile is 800mm to 1200mm.
4. The reinforcement structure for grooving adjacent to an existing building as claimed in claim 1, characterized in that: The diameter of the first reinforcement pile is 600 mm to 1000 mm, and the length of the first reinforcement pile is 3 m to 6 m.
5. The reinforcement structure for cutting a groove adjacent to an existing building according to claim 1, characterized in that: The diameter of the second reinforcement pile is 600 mm to 1000 mm, and the length of the second reinforcement pile is 2 m to 5 m.
6. The reinforcement structure for cutting a groove adjacent to an existing building according to claim 1, characterized in that: The plurality of reinforcing components are arranged in abutment with each other in sequence front to back.
7. The reinforcement structure for cutting a groove adjacent to an existing building according to claim 6, characterized in that: The first reinforcement piles of the plurality of reinforcement components are arranged in a front-to-back manner.
8. The reinforcement structure for cutting a groove adjacent to an existing building as claimed in claim 6, characterized in that: The second reinforcement piles of the plurality of reinforcement assemblies are arranged in a front-to-back manner.
9. The reinforcement structure for cutting a groove adjacent to an existing building according to claim 1, characterized in that: The first reinforcement pile is a direct injection pile.
10. The reinforcement structure for cutting a groove adjacent to an existing building according to claim 1, characterized in that: The second reinforcement piles are inclined sprayed piles.