CN218990286U

CN218990286U - Integral lifting deviation rectifying structure for building

Info

Publication number: CN218990286U
Application number: CN202223147207.0U
Authority: CN
Inventors: 肖灏天; 谷洪勋; 徐文有; 张向东
Original assignee: Wuxi Sijin Industrial Automation Equipment Co ltd; Henan Wenbo Construction Engineering Co ltd
Current assignee: Wuxi Sijin Industrial Automation Equipment Co ltd; Henan Wenbo Construction Engineering Co ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-05-09
Anticipated expiration: 2032-11-27

Abstract

The utility model discloses an integral lifting deviation rectifying structure of a building, which comprises a raft foundation of a basement of the building, wherein working through holes are uniformly formed in the raft foundation, lifting devices are arranged in the working through holes and are connected with a hydraulic pump station, and grouting through holes are formed in the raft foundation outside the working through holes. The utility model has the advantages of high correction efficiency, good effect and short construction period of the inclined building by arranging the correction structure, is a whole lifting correction structure which is safe and reliable, strong in operability, wide in application range, high in efficiency and low in cost, has visual and effective correction effect, and has less disturbance to the existing building, and is safe and reliable, strong in operability, wide in application range and high in efficiency and low in cost.

Description

Integral lifting deviation rectifying structure for building

Technical Field

The utility model belongs to the technical field of building deviation correction, and particularly relates to a building integral lifting deviation correction structure.

Background

The existing building is inclined due to uneven settlement caused by foundation design, construction, collapsible foundation soil, natural disasters, improper use and maintenance and other reasons, elevator operation is stopped when serious, normal use of the building is affected, and meanwhile, personal and property safety is seriously threatened, and potential safety hazards are eliminated by adopting measures such as inclination resistance, settlement resistance, correction and reinforcement. The traditional method for building deviation correction comprises a forced landing method and a jacking method, and the methods have the defects of high cost, high risk, poor effect and the like, and secondary settlement and inclination are possible after deviation correction. The utility model provides a safe and reliable integral lifting deviation rectifying construction process which has strong operability, wide application range, high efficiency and low cost, lifting jack systems are uniformly arranged on the basis of the raft of the basement, the uneven settlement of the existing building is regulated by lifting the basis of the raft of the basement, the integral deviation rectifying effect is achieved, a new thought is provided for correcting and rectifying the inclination of the existing building, the service life of the building is effectively prolonged, the potential safety hazard is eliminated, and the utility model has obvious economic benefit and social benefit.

Disclosure of Invention

The utility model aims to solve the technical problems that: how to rectify the whole building, in order to solve the above problems, a structure for rectifying the whole building is provided.

In order to solve the technical problems, the technical scheme of the utility model is realized in the following way:

the utility model provides a building integral lifting deviation rectifying structure, includes the raft foundation of building basement, evenly set up work through-hole on the raft foundation, set up hoisting device in the work through-hole, hoisting device connects hydraulic power unit, sets up the slip casting through-hole on the raft foundation in the work through-hole outside;

the lifting device comprises a pile head, wherein the pile head is arranged in soil in a working through hole, a bearing column is arranged on the pile head, a lower bearing beam is arranged on the bearing column, a jack is arranged on the lower bearing beam, an upper bearing beam and a lower bearing beam are respectively provided with a corresponding through hole, a threaded pull rod penetrates through the through holes, the lower end of the threaded pull rod is fixedly connected with a ring beam, the ring beam is positioned at the lower end of a raft foundation in the working through hole, a first locking nut is arranged on the threaded pull rod between the upper bearing beam and the lower bearing beam, and a second locking nut is arranged on the threaded pull rod at the upper end of the upper bearing beam.

And excavating earthwork around the basement of the building.

And the top surface of the raft foundation around the working through hole is chiseled with concrete.

The working through holes are filled with high-strength non-shrinkage materials, the strength of the high-strength non-shrinkage materials is at least one level higher than that of the raft foundation, steel bars are arranged in the high-strength non-shrinkage materials, and the specification of the steel bars is not less than that of original matched bars.

And grout is introduced into the grouting through holes, and is stone-free cement paste.

Compared with the prior art, the utility model has the following benefits: the utility model has the advantages of high correction efficiency, good effect and short construction period of the inclined building by arranging the correction structure, is a whole lifting correction structure which is safe and reliable, strong in operability, wide in application range, high in efficiency and low in cost, has visual and effective correction effect, and has less disturbance to the existing building, and is safe and reliable, strong in operability, wide in application range and high in efficiency and low in cost.

Drawings

Fig. 1 is a cross-sectional view of the present utility model.

FIG. 2 shows a connection between a lifting device and a hydraulic pump station.

Fig. 3 is a schematic view of the structure of the lifting device.

Fig. 4 is a structure of a building after lifting.

Fig. 5 is a sectional view of the structure before hole-filling grouting.

Fig. 6 is a sectional view of the structure after hole filling and grouting.

Fig. 7 is a plan view after sealing.

Wherein 1 is a building basement; 2 is a raft foundation; 3 is a working through hole; 4 is a lifting device; 5 is a hydraulic pump station; 6 is earthwork; 7 is a pile head; 8 is a pressure-bearing column; 9 is a lower bolster; 10 is a jack; 11 is an upper bolster; 12 is a threaded pull rod; 13 is a ring beam; 14 is a first cage nut; 15 is a grouting through hole; 16 is a void portion; 17 is concrete; 18 are steel bars.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

The utility model will now be further described with reference to examples, figures:

as shown in fig. 1-7, a whole structure of rectifying that promotes of building, including the raft foundation 2 of building basement 1, evenly set up work through-hole 3 on the raft foundation 2, the quantity of work through-hole 3 should be designed according to the actual conditions of building, set up hoisting device 4 in the work through-hole 3, hoisting device 4 connects hydraulic power unit 5, hydraulic power unit 5 provides the lifting power for hoisting device 4, set up slip casting through-hole 15 on the raft foundation 2 in the work through-hole 3 outside, after the building promotes, there is the portion 16 that takes off below the raft foundation 2, can carry out slip casting filling through slip casting through-hole 15.

The lifting device 4 comprises a pile head 7, the pile head 7 being larger than the cross-sectional area of the bearing post 8, so that the pile head 7 can take up more pressure. Pile head 7 sets up in the soil body in work through-hole 3, set up the spandrel post 8 on the pile head 7, set up down spandrel girder 9 on the spandrel post 8, set up jack 10 on the spandrel girder 9, set up spandrel girder 11 on the jack 10, all set up corresponding through-hole on spandrel girder 11 and the spandrel girder 9 down, pass screw pull rod 12 in the through-hole, screw pull rod 12 lower extreme fixed connection ring beam 13, ring beam 13 is located the raft foundation 2 lower extreme in the work through-hole 3, wherein ring beam 13 is in the same place by two semi-rings welding in work through-hole 3, then set up under raft foundation 2 again. A first lock nut 14 is arranged on the threaded pull rod 12 between the upper bolster 11 and the lower bolster 9, a second lock nut is arranged on the threaded pull rod 12 at the upper end of the upper bolster 11, and the second lock nut and the jack 10 can prevent the upper bolster 11 from moving relative to the threaded pull rod 12.

And earthwork 6 is excavated around the building basement 1, so that the earthwork 6 is prevented from influencing the integral deviation correction of the building. The top surface of the raft foundation 2 around the working through hole 3 is chiseled with concrete 17, and the depth of the chiseled concrete 17 is about 10cm according to the situation at the time. The working through holes 3 are filled with high-strength non-shrinkage materials, the strength of the high-strength non-shrinkage materials is at least one level higher than that of the raft foundation 2, the steel bars 18 are arranged in the high-strength non-shrinkage materials, and the specification of the steel bars 18 is not less than that of original matched bars. And grout is introduced into the grouting through holes 15, and is used for filling the hollow part 16 below the lifted raft foundation 2, and the grout is stone-free cement paste.

The working process of the utility model is as follows:

firstly, working through holes 3 are uniformly formed in a raft foundation 2 of a building basement 1, lifting devices 4 are arranged in the working through holes, jacks 10 in the lifting devices 4 are connected with a hydraulic pump station 5, the hydraulic pump station 5 provides lifting power for the lifting devices 4, earthwork 6 is excavated around the building basement 1 before lifting and correcting operations, and facilities which obstruct lifting and correcting construction are removed temporarily.

Then, calculating specific data of uneven settlement of each area of the raft foundation 2 according to the building inclination rate, determining a lifting height control value of the lifting device 4 of each area, and then integrally lifting the raft foundation 2 step by step until the building is restored to a vertical state.

Then, the hydraulic pump station 5 is started, the jack 10 lifts the upper bolster 11, the upper bolster 11 drives the threaded pull rod 12 to lift upwards, the threaded pull rod 12 drives the raft foundation 2 to lift upwards by a designed height delta through a ring beam 13 connected with the threaded pull rod 12, a first lock nut 14 on the threaded pull rod 12 between the lower bolster 9 and the upper bolster 11 is screwed down under the pressure state of the jack 10, namely, the threaded pull rod 12 is fixed on the lower bolster 9, and the threaded pull rod 12 is prevented from moving downwards due to the gravity of the raft foundation 2.

The jack 10 and the upper bolster 11 are removed under the condition that the stress of the lower bolster 9 is maintained, and concrete 17 with a certain depth on the top surface of the raft foundation 2 is chiseled in a proper range around the working through hole 3, but the original reinforcing steel bars 18 of the part are required to be reserved.

And then the working through holes 3 are closed by using a high-strength non-shrinkage material which is at least one level higher than the strength of the raft foundation 2, and the steel bars 18 with the specification not less than the original reinforcement bars are arranged. After the strength of the hole sealing material of the working through holes 3 reaches the strength required by design, removing the rest part of the lifting device 4 on the raft foundation 2, then grouting and filling the lifted lower void part 16 of the raft foundation 2 through the grouting through holes 15 on the raft foundation 2, and finally recovering the indoor and outdoor ground and facilities of the building.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a building integral lifting deviation rectifying structure, includes raft foundation (2) of building basement (1), its characterized in that, evenly set up work through-hole (3) on raft foundation (2), set up hoisting device (4) in work through-hole (3), hoisting device (4) connect hydraulic power unit (5), set up slip casting through-hole (15) on raft foundation (2) in work through-hole (3) outside;

lifting device (4) are including pile head (7), pile head (7) set up in the soil body in work through-hole (3), set up on pile head (7) and hold down post (8), set up down spandrel girder (9) on hold down post (8), set up jack (10) on lower spandrel girder (9), set up spandrel girder (11) on jack (10) and all set up corresponding through-hole on lower spandrel girder (9), pass screw pull rod (12) in the through-hole, screw pull rod (12) lower extreme fixed connection ring roof beam (13), set up first lock nut (14) on screw pull rod (12) between upper spandrel girder (11) and lower spandrel girder (9) lower extreme, set up the second lock nut on screw pull rod (12) of upper end spandrel girder (11).

2. The integral lifting deviation rectifying structure for a building according to claim 1, wherein the surrounding of the basement (1) of the building is excavated with earthwork (6).

3. The integral lifting deviation rectifying structure of the building according to claim 1, characterized in that concrete (17) is chiseled on the top surface of the raft foundation (2) around the working through holes (3).

4. The integral lifting deviation rectifying structure of the building according to claim 1, wherein the working through holes (3) are filled with high-strength non-shrinkage materials, the strength of the high-strength non-shrinkage materials is at least one level higher than that of the raft foundation (2), reinforcing steel bars (18) are arranged in the high-strength non-shrinkage materials, and the specification of the reinforcing steel bars (18) is not less than that of original reinforcing steel bars.

5. The integral lifting deviation rectifying structure for the building according to claim 1, wherein grout is filled into the grouting through holes (15), and the grout is stone-free grout.