CN112267487B

CN112267487B - High-strength building foundation

Info

Publication number: CN112267487B
Application number: CN202010946768.3A
Authority: CN
Inventors: 陈平; 吴桂芹; 姜永耀; 杜大鹏; 刘专
Original assignee: Hubei Geological Survey Foundation Engineering Co ltd
Current assignee: Hubei Geological Survey Foundation Engineering Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2022-05-31
Anticipated expiration: 2040-09-10
Also published as: CN112267487A

Abstract

The invention discloses a high-strength building foundation, which relates to the field of building construction and aims at solving the problem that the existing building foundation strength does not reach the standard and the building construction has potential safety hazards. The device has a novel structure, the strength of the foundation can be effectively improved through the arrangement of the reinforcing piece, the connection between the device and an upper-layer building is more stable through the arrangement of the steel bar assembly, and meanwhile, the conventional mode that the foundation is in contact with a low bottom cushion layer is changed, so that the foundation has the mobility.

Description

High-strength building foundation

Technical Field

The invention relates to the field of building construction, in particular to a high-strength building foundation.

Background

The foundation refers to the soil or rock mass of the supporting foundation under the building. Soil layers as building foundations are divided into rocks, gravel soil, sandy soil, silt soil, cohesive soil and artificial filling soil. The foundation includes a natural foundation and an artificial foundation (composite foundation). Natural foundations are layers of natural soil that do not require human reinforcement. The artificial foundation needs reinforcement treatment by people, and a stone chip cushion layer, a sand cushion layer, mixed lime-soil backfill, tamping and the like are common.

The foundation is after the casting is accomplished, and its foundation post easily produces the fracture problem to make the concrete not enough rather than the reinforcing bar interlock dynamics of inside parcel, easily lead to the reinforcing bar slope when the reinforcing bar head and the upper reinforcing bar head at foundation post top are connected moreover, all can cause the unable up to standard of intensity of foundation, consequently, in order to solve this type of problem, we have proposed a high strength building foundation.

Disclosure of Invention

The high-strength building foundation provided by the invention solves the problem that the potential safety hazard exists in building construction due to the fact that the strength of the existing building foundation does not reach the standard.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high strength building foundation, includes ground base, ground base post, reinforcement and reinforcing bar subassembly, the bottom of ground base contacts with the bed course inside the foundation ditch to the top central point that ground base post was installed in ground base puts, the top of ground base post is provided with the reinforcing bar subassembly that is used for keeping the reinforcing bar stable, just be equipped with the reinforcement that is used for improving foundation strength on the ground base post.

Preferably, the floor mat further comprises a fixed seat, plug pins and plug pin holes, the bottom end of the floor mat is provided with the fixed seat which is in contact with the mat layer, the top end of the fixed seat is uniformly provided with the plug pin holes, the bottom end of the floor mat is fixedly connected with the plug pins which are uniformly arranged, and the plug pins are matched with the plug pin holes.

Preferably, the reinforcing steel bar assembly comprises a reinforcing steel bar body, a first connecting threaded pipe, a second connecting threaded pipe and a connecting rod, the end part of the reinforcing steel bar body extends to the upper part of the foundation column, and the circumference of the end part of the reinforcing steel bar body is provided with a thread matched with the first connecting threaded pipe;

the circumference lateral wall of two first connection screwed pipe of same group all fixedly connected with connecting rod, and two threaded mounting has the second connection screwed pipe between the connecting rod.

Preferably, the reinforcement includes fastening bolt, first mount and second mount all wrap up in the outside of ground pillar, just first mount and second mount all are the setting of L type structure.

Preferably, both side edges of the first fixing frame are provided with through limiting grooves, both side edges of the second fixing frame respectively penetrate through the two limiting grooves, fastening bolts are mounted at the top end of the first fixing frame, and the end portions of the fastening bolts extend into the limiting grooves to be in contact with the top end of the second fixing frame;

the top of two sides of first mount all is provided with along its length direction's movable groove, movable groove and spacing groove intercommunication, and fastening bolt and movable groove match.

Preferably, the reinforcing member includes riser, lagging, expansion plate, first gusset plate and second gusset plate, the top of ground base is provided with the standing groove, just be provided with the riser in the standing groove, the top of riser is connected with the lagging that is the slope setting, just be provided with the expansion plate in the lagging, the end connection of expansion plate has first gusset plate.

Preferably, the cross section of the first reinforcing plate is in a U-shaped arrangement, two second reinforcing plates which are symmetrically distributed are slidably mounted inside the first reinforcing plate, and the first reinforcing plate and the second reinforcing plates are arranged on the side faces of the foundation column tightly.

Preferably, the vertical plate, the sleeve plate, the telescopic plate, the first reinforcing plate and the second reinforcing plate in the reinforcing member are erected through a template, and then concrete is poured to form the integral reinforcing plate.

The invention has the beneficial effects that:

1. through set up the subassembly that has the tensile on the reinforcing bar of this foundation column tip, can effectually prevent the reinforcing bar bending of foundation column tip to make its be connected with upper concrete more stable, improved the joint strength of foundation and superstructure.

2. Through set up the reinforcement on the foundation post to ground collapse phenomenon that ground pillar concrete fracture leads to can effectually be prevented, make the intensity of foundation post improve, both improved the holistic intensity of ground, guarantee the security of construction.

3. Through the below at the foundation base setting separable fixing base to make this foundation can with the bed course separation of its below, through fixing base and bed course contact, then inside the bolt hole was inserted to the bolt post of base bottom through, make this foundation have the mobility.

In conclusion, the device can effectual improvement foundation's intensity through the setting of reinforcement to through the setting of reinforcing bar subassembly, make its be connected with superstructure more stable, make this foundation change the mode of traditional foundation and low bottom bed course contact simultaneously, make it have the mobility.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 3 is a top view of a first embodiment of the present invention;

FIG. 4 is a side cross-sectional view of a second embodiment of the present invention;

FIG. 5 is an enlarged view of B of FIG. 4 in accordance with the present invention;

FIG. 6 is a top view of a second embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 8 is a front cross-sectional view of a third embodiment of the present invention.

Reference numbers in the figures: 1. a ground base; 2. a foundation pillar; 3. a reinforcement; 301. fastening a bolt; 302. a first fixing frame; 303. a second fixing frame; 304. a vertical plate; 305. sheathing; 306. a retractable plate; 307. a first reinforcing plate; 308. a second reinforcing plate; 4. a reinforcement assembly; 401. a steel bar body; 402. a first connecting threaded pipe; 403. a second connecting threaded pipe; 404. a connecting rod; 5. a placement groove; 6. a fixed seat; 7. a latch post; 8. a bolt hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Fig. 1 to 8 are schematic structural views illustrating various embodiments of the present invention, particularly illustrating structures of various embodiments, and the present invention relates to a high-strength building foundation which enables reinforcing bars at the top end of a foundation column 2 to be vertically placed by an adjusting device consisting of a connecting rod 404 and a second connecting threaded pipe 403 arranged between the reinforcing bar end caps of the first connecting threaded pipe 402 sleeved on the top end of the foundation column 2, prevents the reinforcing bars from bending, thereby improving the stability of the foundation connected with an upper building, effectively improves the strength of the foundation by a reinforcing member 3, is provided with a fixing seat matched with the base at the bottom end of the foundation base 1, and has a mobility compared with a conventional foundation form by matching a pin post 7 and a pin hole 8.

Example one

Referring to fig. 1-3, a high-strength building foundation includes a foundation base 1, a foundation column 2, a reinforcement 3, and a reinforcement assembly 4, wherein the bottom end of the foundation base 1 contacts with a cushion layer inside a foundation pit, the foundation column 2 is installed at the center of the top end of the foundation base 1, the reinforcement assembly 4 for keeping the reinforcement stable is arranged at the top end of the foundation column 2, and the reinforcement 3 for improving the strength of the foundation is arranged on the foundation column 2.

The reinforcing steel bar assembly 4 comprises a reinforcing steel bar body 401, a first connecting threaded pipe 402, a second connecting threaded pipe 403 and a connecting rod 404, wherein the end of the reinforcing steel bar body 401 extends to the upper part of the foundation column 2, and the circumference of the end position of the reinforcing steel bar body 401 is provided with a thread matched with the first connecting threaded pipe 402;

the circumferential side walls of the two first connecting threaded pipes 402 of the same group are fixedly connected with connecting rods 404, and a second connecting threaded pipe 403 is threadedly mounted between the two connecting rods 404.

The reinforcing member 3 includes fastening bolt 301, first mount 302 and second mount 303, and first mount 302 and second mount 303 all wrap up in the outside of foundation column 2, and first mount 302 and second mount 303 all are the setting of L type structure.

Two through limiting grooves are formed in two side edges of the first fixing frame 302, two side edges of the second fixing frame 303 penetrate through the two limiting grooves respectively, fastening bolts 301 are mounted at the top end of the first fixing frame 302, and the end portions of the fastening bolts 301 extend into the limiting grooves to be in contact with the top end of the second fixing frame 303;

the top of two sides of first mount 302 all is provided with along its length direction's movable groove, movable groove and spacing groove intercommunication, and fastening bolt 301 matches with the movable groove.

In this embodiment, the first connecting threaded pipe 402 is installed between the top ends of the same group of steel bar bodies 401, and the connecting rod 404 and the second connecting threaded pipe 403 are arranged between the two first connecting threaded pipes 402, so that the steel bar bodies 401 can keep a vertical state, the stability of connection between the foundation and the superstructure is improved, the second fixing frame 303 slides in the limiting groove of the first fixing frame 302, and then the first fixing frame 302 and the second fixing frame 303 are fixed through the fastening bolt, so that the first fixing frame 302 and the second fixing frame 303 can be tightly attached to the surface of the foundation column 2, and the whole body of the first fixing frame 302 and the second fixing frame 303 is reinforced.

Example two

Referring to fig. 4-6, the structural design of the foundation 1, the foundation column 2, and the steel bar assembly 4 in this embodiment is the same as that in the first embodiment, and the difference is that the reinforcement 3, in this embodiment, the reinforcement 3 includes a vertical plate 304, a sleeve plate 305, an expansion plate 306, a first reinforcing plate 307, and a second reinforcing plate 308, the top end of the foundation 1 is provided with a placement groove 5, and the vertical plate 304 is provided in the placement groove 5, the top end of the vertical plate 304 is connected with the sleeve plate 305 that is disposed in an inclined manner, and the expansion plate 306 is provided in the sleeve plate 305, the end of the expansion plate 306 is connected with the first reinforcing plate 307, and slides inside the sleeve plate 305 through the expansion plate 306, so that the expansion assembly hinged on the vertical plate 304 can reinforce different heights of the foundation column 2.

The cross-section of first gusset plate 307 is the setting of U type, and the inside slidable mounting of first gusset plate 307 has two second gusset plates 308 that are the symmetric distribution, and first gusset plate 307 all hugs closely the side setting of foundation column 2 with second gusset plate 308, through setting up the inside slip of second gusset plate 308 at first gusset plate 307 to make the overall length of gusset plate can obtain adjusting, make it can be applicable to the foundation column 2 reinforcement operation of different dimensions.

The vertical plate 304, the sleeve plate 305, the expansion plate 306, the first reinforcing plate 307 and the second reinforcing plate 308 in the reinforcing member 3 are erected through a formwork, and then concrete is poured to be integrally formed.

EXAMPLE III

Referring to fig. 7 and 8, a fixing base 6 contacting with a cushion layer at the bottom end of the foundation base 1 is added in the embodiment, pin holes 8 are uniformly formed in the top end of the fixing base 6, pin columns 7 are uniformly arranged and fixedly connected to the bottom end of the foundation base 1, and the pin columns 7 are matched with the pin holes 8, so that the foundation base 1 can be separated from the cushion layer at the bottom end thereof, and the foundation has mobility compared with a conventional foundation.

The foundation has the advantages of novel design and simple structure, the strength of the foundation can be effectively improved through the arrangement of the reinforcing piece, the connection between the foundation and an upper-layer building is more stable through the arrangement of the steel bar assembly, and meanwhile, the foundation changes the contact mode of the traditional foundation and a low bottom cushion layer, so that the foundation has the mobility and is suitable for popularization.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A high-strength building foundation comprises a foundation base (1), a foundation column (2), a reinforcing member (3) and a reinforcing steel bar assembly (4), and is characterized in that the bottom end of the foundation base (1) is in contact with a cushion layer inside a foundation pit, the foundation column (2) is installed at the center of the top end of the foundation base (1), the reinforcing steel bar assembly (4) used for keeping reinforcing steel bars stable is arranged at the top end of the foundation column (2), and the reinforcing member (3) used for improving the strength of the foundation is arranged on the foundation column (2);

the steel bar assembly (4) comprises a steel bar body (401), a first connecting threaded pipe (402), a second connecting threaded pipe (403) and a connecting rod (404), wherein the end of the steel bar body (401) extends to the upper part of the foundation column (2), and the circumference of the end position of the steel bar body (401) is provided with a thread matched with the first connecting threaded pipe (402);

the circumferential side walls of the two first connecting threaded pipes (402) in the same group are fixedly connected with connecting rods (404), and a second connecting threaded pipe (403) is installed between the two connecting rods (404) in a threaded mode;

the reinforcing member (3) comprises a vertical plate (304), a sleeve plate (305), an expansion plate (306), a first reinforcing plate (307) and a second reinforcing plate (308), a placing groove (5) is formed in the top end of the foundation base (1), the vertical plate (304) is arranged in the placing groove (5), the sleeve plate (305) which is arranged in an inclined mode is connected to the top end of the vertical plate (304), the expansion plate (306) is arranged in the sleeve plate (305), and the first reinforcing plate (307) is connected to the end portion of the expansion plate (306);

the cross section of the first reinforcing plate (307) is U-shaped, two second reinforcing plates (308) which are symmetrically distributed are installed inside the first reinforcing plate (307) in a sliding mode, and the first reinforcing plate (307) and the second reinforcing plates (308) are arranged on the side face of the foundation column (2) in a tightly attached mode.

2. The high-strength building foundation according to claim 1, further comprising a fixing seat (6), a latch post (7) and a latch hole (8), wherein the fixing seat (6) contacting with the cushion layer is arranged at the bottom end of the foundation bed (1), the latch holes (8) are uniformly formed in the top end of the fixing seat (6), the latch post (7) is uniformly arranged and fixedly connected to the bottom end of the foundation bed (1), and the latch post (7) is matched with the latch hole (8).

3. A high strength building foundation according to claim 1, wherein the reinforcing member (3) comprises fastening bolts (301), a first fixing frame (302) and a second fixing frame (303), the first fixing frame (302) and the second fixing frame (303) are wrapped outside the foundation column (2), and the first fixing frame (302) and the second fixing frame (303) are arranged in an L-shaped structure.

4. The high-strength building foundation according to claim 3, wherein through limiting grooves are formed in both side edges of the first fixing frame (302), two side edges of the second fixing frame (303) respectively penetrate through the two limiting grooves, fastening bolts (301) are mounted at the top ends of the first fixing frame (302), and the end portions of the fastening bolts (301) extend into the limiting grooves to be in contact with the top ends of the second fixing frame (303);

the top of two sides of first mount (302) all is provided with along its length direction's activity groove, activity groove and spacing groove intercommunication, and fastening bolt (301) and activity groove match.

5. A high-strength building foundation as claimed in claim 1, wherein the vertical plates (304), the sheathing plates (305), the expansion plates (306), the first reinforcing plates (307) and the second reinforcing plates (308) of the reinforcing member (3) are erected by a formwork, and then concrete is poured to form a whole.