CN108252317B

CN108252317B - Assembled basis of adjustable side direction support

Info

Publication number: CN108252317B
Application number: CN201810005095.4A
Authority: CN
Inventors: 路国运; 岳琦; 张恩; 宁海勐; 韩洁
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2018-01-03
Filing date: 2018-01-03
Publication date: 2020-07-07
Anticipated expiration: 2038-01-03
Also published as: CN108252317A

Abstract

The invention belongs to the technical field of building or structure foundation foundations, and particularly relates to an adjustable lateral support assembly type foundation which solves the problem that the existing assembly type foundation is easy to be stressed unevenly under the combined action of horizontal force and upward pulling force, so that the integrity of the foundation is reduced. The invention has high assembly degree, reusable foundation components and green and environment-friendly construction process, responds to the national call of the building industry and has important significance for foundation infrastructure of cold areas with large day and night temperature difference or high altitude areas.

Description

Assembled basis of adjustable side direction support

Technical Field

The invention belongs to the technical field of foundation foundations of buildings or structures, and particularly relates to an adjustable lateral support assembly type foundation.

Background

In some cold areas with large day-night temperature difference or high altitude areas, the cast-in-place concrete is adopted for foundation construction, so that a large amount of manpower and material resources are consumed, and the quality defect of the foundation is easily caused due to the fact that construction and maintenance are not in place. Therefore, under the extremely severe weather condition, the construction process of replacing the cast-in-place concrete foundation by the assembly type foundation is arbitrary, but the assembly type foundation has higher requirement on the integrity of the assembly type foundation, and under the simultaneous action of horizontal force and upward pulling force, the traditional assembly type foundation has errors and larger gaps in the prefabrication and processing process, so that the fastening degree of bolts in the assembling process is different, the foundation is easy to loosen and deform after being stressed, and the integrity of the foundation is further greatly influenced.

Disclosure of Invention

The invention provides an adjustable lateral support assembly type foundation, aiming at solving the problem that the integrity of the existing assembly type foundation is reduced due to uneven stress easily caused by the combined action of horizontal force and upward pulling force.

The invention is realized by the following technical scheme: the utility model provides an assembled basis of adjustable side direction support, includes soleplate, foundation pillar and side direction bracing, soleplate is square and the middle part is provided with the rim of a cup, soleplate is provided with the side direction adjusting part at its diagonal position symmetry, and it has foundation pillar to peg graft in the rim of a cup, and the pea gravel concrete has been pour in the space of foundation pillar and rim of a cup, and foundation pillar's upper portion is provided with hoop formula gusset plate, all is connected with the side direction bracing between hoop formula gusset plate and side direction adjusting part.

The lateral adjusting assembly comprises an adjusting plate with a track, two parallel T-shaped tracks are arranged in the middle of the adjusting plate with the track, T-shaped bolts capable of sliding are arranged in the T-shaped tracks, two sides of the adjusting plate with the track are in a step shape, positioning fasteners are fixed on the upper portions of the adjusting plate with the track, the positioning fasteners are fixed on the foundation bottom plate, the T-shaped bolts are connected with a sliding plate, a connecting plate is perpendicularly arranged in the middle of the sliding plate, and the connecting plate is fixedly connected with one end of a lateral.

The initial angle between the lateral inclined strut and the foundation bottom plate can be any value of 40-50 degrees, and the variation range between the lateral inclined strut and the foundation bottom plate relative to the initial angle is-10 degrees.

The foundation slab comprises a bottom slab component A, a bottom slab component B and a bottom slab component C, the bottom slab component A and the bottom slab component C are symmetrically arranged at two ends of the bottom slab component B, and a cup opening is formed in the middle of the bottom slab component B.

The side direction bracing includes the bracing intermediate lamella to and at bracing angle steel of bracing intermediate lamella bilateral symmetry fixed connection, the one end that bracing angle steel and hoop formula gusset plate are connected is opened has two round holes.

The hoop type gusset plate comprises a hoop type gusset plate main body, a square hole capable of penetrating through the foundation column is formed in the middle of the hoop type gusset plate main body, and the four corners of the bottom of the hoop type gusset plate main body are provided with rotating gusset plates connected with lateral inclined struts.

The rotating gusset plate is trapezoidal, a connecting round hole and an arc-shaped hole are formed in the rotating gusset plate, an arc-shaped rotating piece which can move along an inner arc surface is arranged in the arc-shaped hole, and a screw hole used for connecting a lateral inclined strut is formed in the middle of the arc-shaped rotating piece.

The upper part of the lateral inclined strut rotates by taking the hoop type node plate as a base point, and the lower part of the lateral inclined strut moves along the T-shaped track through the lateral adjusting assembly, so that the horizontal stress of the assembled foundation is dynamically balanced.

Compared with the prior art, the invention has the technical characteristics and beneficial effects that:

the invention solves the problem that the integrity of the foundation is easily reduced under the combined action of horizontal force and uplift force of the original assembly type foundation by adding the lateral supports capable of adjusting the angle to the foundation, and greatly improves the capability of the foundation for bearing the ultimate horizontal load due to the adjustable angle between the lateral inclined supports and the foundation bottom plate. Compared with a reinforced concrete foundation structure, the invention has the advantages of light weight, high assembly degree, detachable foundation member, part of members which can be reused and the like, simultaneously avoids a large number of wet operation steps, is green and environment-friendly in the whole construction process, responds to the national call of the construction industry, and has important significance for foundation infrastructure of cold areas, areas with large day and night temperature difference or high altitude areas.

Drawings

FIG. 1 is a schematic perspective view of a fabricated foundation according to the present invention;

FIG. 2 is a schematic front view of the structure of the prefabricated base of the present invention;

FIG. 3 is a perspective view of a portion of the structure of FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 1;

FIG. 5 is a schematic structural view of the lateral adjustment assembly of FIG. 4;

FIG. 6 is a schematic structural view of the hoop gusset of FIG. 1;

FIG. 7 is a schematic view of the configuration of the orbiting plate of FIG. 5;

FIG. 8 is a schematic structural view of the lateral brace of FIG. 1;

FIG. 9 is a schematic view of the connection between the lateral brace and the hoop gusset plate of FIG. 2;

fig. 10 is a schematic structural view of the rotary gusset plate of fig. 6.

In the figure: 1-foundation bedplate, 1.1-bedplate component a, 1.2-bedplate component B, 1.3-bedplate component C, 1.4-cup mouth, 2-foundation column, 3-lateral diagonal brace, 3.1-diagonal brace intermediate plate, 3.2-diagonal brace angle steel, 4-hoop type gusset plate, 4.1-hoop type gusset plate main body, 4.2-rotation gusset plate, 4.3-connection round hole, 4.4-arc hole, 4.5-arc rotation piece, 4.6-screw hole, 5-lateral adjustment component, 5.1-adjusting plate with track, 5.2-T type track, 5.3-T type bolt, 5.4-sliding plate, 5.5-connection plate, 6-positioning fastener.

Detailed Description

The invention is further explained by referring to fig. 1-10, and the adjustable lateral support assembly type foundation comprises a foundation bottom plate 1, foundation columns 2 and lateral inclined struts 3, wherein the foundation bottom plate 1 is square, a cup opening 1.4 is formed in the middle of the foundation bottom plate 1, lateral adjusting components 5 are respectively arranged at diagonal positions of the foundation bottom plate 1, the foundation columns 2 are inserted into the cup openings 1.4, fine aggregate concrete is poured in gaps between the foundation columns 2 and the cup openings 1.4, hoop type node plates 4 are arranged on the upper portions of the foundation columns 2, the lateral inclined struts 3 are connected between the hoop type node plates 4 and the lateral adjusting components 5, and sulfur damping mortar is filled in the gaps between the foundation columns 2 and the hoop type node plates 4.

For the convenience of transportation and assembly, the foundation slab 1 can be arranged in blocks, preferably, the foundation slab 1 is divided into three blocks, including a slab component a1.1, a slab component B1.2 and a slab component C1.3, the slab component a1.1 and the slab component C1.3 are symmetrically arranged at two ends of the slab component B1.2, and a cup opening 1.4 is arranged in the middle of the slab component B1.2. The thickness of foundation slab 1 sets up according to specific atress requirement, and usable bolted connection or the bolt of recycling behind the mortise-tenon joint between bottom plate subassembly A1.1, bottom plate subassembly B1.2 and bottom plate subassembly C1.3 are fixed, and bottom plate subassembly B1.2's rim of a cup 1.4 should be greater than foundation column 2, and it is fixed to utilize the gap filling of pea gravel concrete to rim of a cup 1.4 and foundation column 2 after inserting foundation column 2 in the later stage of being convenient for.

The lateral adjusting assembly 5 is fixed on the foundation slab 1 by a positioning fastener 6, wherein the positioning fastener 6 is an integrally formed and mutually perpendicular structural component (similar angle steel), a fixing hole is formed in the upper part of the positioning fastener 6, one edge of the positioning fastener 6 is used for pressing the edge of an adjusting plate 5.1 with a track in the lateral adjusting assembly 5 during fixing, and meanwhile, the adjusting plate is fixed on the foundation slab 1 after a bolt penetrates through the fixing hole. Wherein, side direction adjusting part 5 is including taking orbital regulating plate 5.1, it is provided with two parallel T type tracks 5.2 to take orbital regulating plate 5.1 middle part, be provided with gliding T type bolt 5.3 in the T type track 5.2, it is echelonment and upper portion fixed with location fastener 6 to take orbital regulating plate 5.1 both sides, location fastener 6 is fixed on soleplate 1, T type bolt 5.3 is connected with sliding plate 5.4, the middle part of sliding plate 5.4 is provided with connecting plate 5.5 perpendicularly, connecting plate 5.5 and side direction bracing 3's one end fixed connection. The initial angle between the lateral inclined strut 3 and the foundation slab 1 can be any value of 40-50 degrees; after being stressed, the change range of the angle between the lateral inclined strut 3 and the foundation slab 1 relative to the initial angle is-10 degrees to 10 degrees. The angle between the lateral inclined strut 3 and the foundation slab 1 is preset in advance according to design and stress analysis. In order to ensure the horizontal stress requirement of the foundation, the four lateral adjusting components 5 are symmetrically arranged.

The lateral inclined strut 3 comprises an inclined strut middle plate 3.1 and inclined strut angle steel 3.2 which is fixedly connected with the inclined strut middle plate 3.1 in a bilateral symmetry mode, and two round holes are formed in one end, connected with the hoop type node plate 4, of each inclined strut angle steel 3.2. Hoop formula gusset plate 4 is provided with the rotation gusset plate 4.2 of being connected with side direction bracing 3 including hoop formula gusset plate main part 4.1, hoop formula gusset plate main part 4.1 middle part is provided with the square hole that can run through basic stand 2, hoop formula gusset plate main part 4.1 bottom four corners position. Rotate gusset plate 4.2 and be trapezoidal, it has connection round hole 4.3 and arc hole 4.4 to open on rotating gusset plate 4.2, sets up in arc hole 4.4 and can follow the interior cambered surface motion arc and rotate 4.5, and arc rotates 4.5 middle part and opens and has the screw 4.6 that is used for connecting side direction bracing 3. The gap between the foundation column 2 and the hoop-type gusset plate 4 is filled with damping sulfur plaster, so that the hoop-type gusset plate 4 is kept relatively fixed relative to the foundation column 2.

Wherein, the connection of side direction bracing 3 and rotation gusset plate 4.2 is through two bracing angle steel 3.2 middle parts that insert side direction bracing 3 with rotation gusset plate 4.2, and it can to rotate connecting round hole 4.3 and the arc of gusset plate 4.2 and rotate screw 4.6 of piece 4.5 and be connected with two round holes of bracing angle steel 3.2 respectively through the bolt. When the angle between the lateral inclined strut 3 and the foundation slab 1 changes, the lateral inclined strut 3 realizes the stress adjustment of the foundation in the horizontal direction through the arc-shaped rotating piece 4.5 matched with the screw rod, the connecting round hole 4.3 and the sliding fit of the adjusting plate with the track. The arc-shaped rotating piece 4.5 can be of an integral structure or a combined structure.

The bolts used in the process of assembling the foundation are high-strength bolts, and the process of screwing the high-strength bolts is strictly carried out according to the sequence of initial screwing, re-screwing and final screwing; after the assembly is completed and the foundation is ensured to have the stress capacity, the construction of the upper component can be carried out. Under the action of the upper component force, the assembly type foundation of the invention solves the problems that the integrity of the foundation is reduced and even the connecting piece is deformed and cracked or is integrally unstable after the original assembly type foundation is subjected to the combined action of horizontal force and upward pulling force through adjustable lateral support.

Claims

1. The utility model provides an adjustable lateral bracing's assembled basis which characterized in that: the device comprises a foundation bottom plate (1), foundation columns (2) and lateral inclined struts (3), wherein the foundation bottom plate (1) is square, a cup opening (1.4) is formed in the middle of the foundation bottom plate, lateral adjusting components (5) are symmetrically arranged on the diagonal positions of the foundation bottom plate (1), the foundation columns (2) are inserted into the cup openings (1.4), fine aggregate concrete is poured in gaps between the foundation columns (2) and the cup openings (1.4), hoop-type node plates (4) are arranged on the upper portions of the foundation columns (2), the lateral inclined struts (3) are connected between the hoop-type node plates (4) and the lateral adjusting components (5), each lateral adjusting component (5) comprises an adjusting plate (5.1) with a track, two parallel T-shaped tracks (5.2) are arranged in the middle of the adjusting plate (5.1) with the track, T-shaped bolts (5.3) capable of sliding are arranged in the T-shaped tracks (5.2), positioning fasteners (6) are fixed on the two sides of the adjusting plate (5.1) with the, the positioning fastener (6) is fixed on the foundation slab (1), the T-shaped bolt (5.3) is connected with the sliding plate (5.4), the middle part of the sliding plate (5.4) is vertically provided with the connecting plate (5.5), and the connecting plate (5.5) is fixedly connected with one end of the lateral inclined strut (3).

2. The adjustable lateral support fabricated foundation of claim 1, wherein: the initial angle between the lateral inclined strut (3) and the foundation slab (1) is any value of 40-50 degrees, and the variation range between the lateral inclined strut (3) and the foundation slab (1) relative to the initial angle is-10 degrees.

3. An adjustable lateral support fabricated foundation as claimed in claim 1 or 2 wherein: the foundation slab (1) comprises a slab component A (1.1), a slab component B (1.2) and a slab component C (1.3), wherein the slab component A (1.1) and the slab component C (1.3) are symmetrically arranged at two ends of the slab component B (1.2), and a cup opening (1.4) is arranged in the middle of the slab component B (1.2).

4. The adjustable lateral support fabricated foundation of claim 1, wherein: the lateral inclined strut (3) comprises an inclined strut middle plate (3.1) and inclined strut angle steel (3.2) which is fixedly connected with the inclined strut middle plate (3.1) in a symmetrical mode, and two round holes are formed in one end, connected with the hoop type node plate (4), of each inclined strut angle steel (3.2).

5. The adjustable lateral support fabricated foundation of claim 4, wherein: hoop formula gusset plate (4) are provided with the square hole that can run through basic stand (2) including hoop formula gusset plate main part (4.1), hoop formula gusset plate main part (4.1) middle part, hoop formula gusset plate main part (4.1) bottom four corners position be provided with rotation gusset plate (4.2) of being connected with side direction bracing (3).

6. The adjustable lateral support fabricated foundation of claim 5, wherein: the rotary gusset plate (4.2) is trapezoidal, a connecting round hole (4.3) and an arc-shaped hole (4.4) are formed in the rotary gusset plate (4.2), an arc-shaped rotating piece (4.5) capable of moving along an inner arc surface is arranged in the arc-shaped hole (4.4), and a screw hole (4.6) used for connecting the lateral inclined strut (3) is formed in the middle of the arc-shaped rotating piece (4.5).