CN214143780U

CN214143780U - Shallow foundation structure that buries of middle level building foundation

Info

Publication number: CN214143780U
Application number: CN202022755809.9U
Authority: CN
Inventors: 潘凯; 叶沙磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-07
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a civil engineering technical field specifically is a shallow foundation structure that buries of middle level building foundation, including the foundation pile, raft foundation has been pour at the middle part of foundation pile, and the column base has been pour at the top of foundation pile, pour the bar base between the column base, and the bar base has transversely built horizontal brick base along it, the pile head has been pour in the column base outside, and pile head and bar base on same straight line, vertically built vertical brick base along it between the horizontal brick base. This device adopts mixed type foundation structure to guarantee the stability and the fastness of middle level building, and the compressive capacity and the resistance to plucking ability in area, this device carries out the pouring of drilling bored concrete pile at first in the foundation ditch, owing to be middle level building, consequently, the degree of depth of stake can reduce, thereby reduce the cost on guaranteeing firm basis, then carry out the pouring of raft shape foundation, raft shape foundation is because its bottom surface is big, so can reduce basement pressure, also can improve the bearing capacity of foundation soil simultaneously.

Description

Shallow foundation structure that buries of middle level building foundation

Technical Field

The utility model relates to a civil engineering technical field specifically is a shallow foundation structure that buries of middle level building foundation.

Background

The foundation refers to the soil or rock mass of the supporting foundation under the building. Soil layers serving as building foundations are divided into rocks, gravels, sand, silt, cohesive soil and artificial filling soil, the foundations comprise natural foundations and artificial foundations (composite foundations), the natural foundations are natural soil layers which do not need to be reinforced by people, the artificial foundations need to be reinforced by people, and a stone chip cushion layer, a sand cushion layer, mixed lime soil are backfilled and tamped, and the like.

The existing foundation is generally divided into a filling foundation and a piling foundation, a high-rise building is mostly used for piling to resist the pressure and the tensile force of the building, a civil house is mostly used for filling the foundation at the bottom of the height, but the filling later period adopted by some middle-level buildings can sink seriously, and the piling cost is too high. Accordingly, those skilled in the art have provided a mid-level building foundation shallow-buried foundation structure to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a shallow foundation structure that buries of middle level building foundation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shallow foundation structure that buries of intermediate level building foundation, includes the foundation pile, raft foundation has been pour at the middle part of foundation pile, and the top of foundation pile has pour the column base, pour the bar-shaped base between the column base, and the bar-shaped base has transversely built horizontal brick base along it, pile head has been pour in the column base outside, and pile head and bar-shaped base are on same straight line, vertical brick base has been built along it vertically between the horizontal brick base, pour the shear force wall between bar-shaped base and the raft base, and the shear force wall is located the frame department central point of bar-shaped base and raft base, the ligature has the column muscle in the foundation pile, and the reinforcing bar on the column muscle is the range of four for violently three indulging, the equidistant stirrup that has cup jointed, and the span between the stirrup is not more than twenty-five centimetres, the ligature has the slab muscle on the bar-shaped base and be close to the column base department.

As a further aspect of the present invention: it has first horizontal muscle to arrange along its width direction equidistance in the raft foundation, and the top equidistance of first horizontal muscle is arranged and is had first muscle of indulging, first muscle of indulging is arranged along raft foundation length direction.

As a further aspect of the present invention: first horizontal muscle and the first contact point ligature of indulging the muscle have the iron wire, first horizontal muscle and first indulge the muscle and equal apart from the bottom of raft foundation and the distance at top, the crisscross interlude of post muscle is between first horizontal muscle and the first muscle of indulging.

As a further aspect of the present invention: the bar base is internally provided with second transverse ribs arranged at equal intervals along the width direction of the bar base, and the bar base is internally provided with second longitudinal ribs arranged at equal intervals along the length direction of the bar base.

As a further aspect of the present invention: reinforcing ribs are transversely arranged in the column base at equal intervals and are arranged in a stepped manner, the reinforcing ribs are crossed with the second longitudinal ribs, and hook ribs are obliquely arranged among the reinforcing ribs.

As a further aspect of the present invention: transverse tie bars are laid in the transverse brick bases, two ends of each transverse tie bar are bound in the strip-shaped bases, and one layer of transverse tie bars is arranged on each twenty-five centimeter distance of each transverse brick base.

As a further aspect of the present invention: longitudinal tie bars are laid in the longitudinal brick bases, two ends of each longitudinal tie bar are bound on the corresponding transverse tie bars, and one layer of longitudinal tie bars is arranged on each twenty-five centimeter distance of each longitudinal brick base.

Compared with the prior art, the beneficial effects of the utility model are that: the device adopts a mixed type foundation structure, thereby ensuring the stability and firmness of the middle-layer building and the pressure resistance and the pulling resistance of the area, firstly pouring the cast-in-situ bored pile in the foundation pit, because of the middle-level building, the depth of the pile can be reduced, thereby reducing the cost on the basis of ensuring the firmness, then pouring raft foundation, because the bottom area of the raft foundation is large, the pressure intensity of the foundation can be reduced, simultaneously, the bearing capacity of the foundation soil can be improved, the integrity of the foundation can be effectively enhanced, the uneven settlement can be adjusted, the shear wall is poured on the raft foundation to prevent shear damage, finally, the foundation is poured on the foundation, the foundation of the device is formed by mixing a strip foundation and a brick foundation, pressure and the pulling force that can better bear the building, it is more firm and have shock resistance for traditional packing basis, compare the cost reduction construction simplicity of higher level building's pile foundation.

Drawings

FIG. 1 is a schematic structural view of a middle building foundation shallow-buried foundation structure;

fig. 2 is a schematic view of the internal structure of a raft foundation in a medium-level building foundation shallow foundation structure;

fig. 3 is a schematic view of the internal structure of a foundation in a middle-story building foundation shallow-buried foundation structure.

In the figure: 1. a column reinforcement; 2. hooping; 3. a column base; 4. a plate rib; 5. longitudinal brick bases; 6. stamping the head; 7. foundation piles; 8. raft foundation; 9. a shear wall; 10. a bar base; 11. a transverse brick base; 12. a first transverse bar; 13. a first longitudinal rib; 14. a second transverse bar; 15. transversely stretching a rib; 16. a second longitudinal rib; 17. reinforcing ribs; 18. longitudinal lacing; 19. and (5) hooking the ribs.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: a middle-layer building foundation shallow-buried foundation structure comprises foundation piles 7, raft bases 8 are poured in the middle of the foundation piles 7, column bases 3 are poured at the tops of the foundation piles 7, strip-shaped bases 10 are poured between the column bases 3, transverse brick bases 11 are horizontally built on the strip-shaped bases 10, stacking heads 6 are poured on the outer sides of the column bases 3, the stacking heads 6 and the strip-shaped bases 10 are on the same straight line, longitudinal brick bases 5 are longitudinally built between the transverse brick bases 11, shear walls 9 are poured between the strip-shaped bases 10 and the raft bases 8, the shear walls 9 are located at the center points of the frames of the strip-shaped bases 10 and the raft bases 8, column reinforcements 1 are bound in the foundation piles 7, reinforcing steel bars on the column reinforcements 1 are arranged in a transverse-third-longitudinal-fourth mode, stirrups 2 are sleeved on the column reinforcements 1 at equal intervals, the intervals between the stirrups 2 are not more than twenty-five, and plate reinforcements 4 are bound on the strip-shaped bases 10 and close to the column bases 3.

In fig. 2, raft 8 is interior to be arranged along its width direction equidistance and has first horizontal muscle 12, and the top equidistance of first horizontal muscle 12 is arranged and is had first muscle 13 of indulging, and first muscle 13 of indulging is arranged along raft 8 length direction, and first horizontal muscle 12 and first muscle 13 of indulging constitute the net and play and bear and construct the effect, form whole raft shape basis through cooperating with the concrete.

In fig. 2, the iron wires are bound at the contact points of the first transverse bar 12 and the first longitudinal bar 13, the distance between the first transverse bar 12 and the first longitudinal bar 13 and the bottom and the top of the raft foundation 8 is equal, the column bars 1 are inserted between the first transverse bar 12 and the first longitudinal bar 13 in a staggered mode, and the raft foundation 8 is large in bottom area, so that the foundation pressure can be reduced, meanwhile, the bearing capacity of foundation soil can be improved, the integrity of the foundation can be effectively enhanced, and uneven settlement can be adjusted.

In fig. 3, second transverse ribs 14 are equidistantly arranged in the strip-shaped base 10 along the width direction thereof, and second longitudinal ribs 16, second transverse ribs 14 and second longitudinal ribs 16 are equidistantly arranged in the strip-shaped base 10 along the length direction thereof.

In fig. 3, the reinforcing ribs 17 are transversely arranged in the column base 3 at equal intervals, the reinforcing ribs 17 are arranged in a ladder shape, the reinforcing ribs 17 are crossed with the second longitudinal ribs 16, hook ribs 19 are obliquely arranged among the reinforcing ribs 17 to achieve the bearing and construction effects, and the reinforcing ribs are matched with concrete to form an integral raft foundation.

In fig. 3, a transverse tie bar 15 is laid in the transverse brick base 11, two ends of the transverse tie bar 15 are bound in the bar-shaped base 10, a layer of transverse tie bar 15 is arranged on the transverse brick base 11 every twenty-five centimeters, the transverse brick base 11 has good compression resistance, poor integrity, tensile resistance, bending resistance and shear resistance, easily obtained materials, simple and convenient construction operation and low manufacturing cost. The transverse tie bar 15 is suitable for the foundation engineering of common civil buildings and light plants with firm and uniform foundation, small upper load, seven layers and less than seven layers of bearing walls, and plays a role in connection.

In fig. 3, a longitudinal tie bar 18 is laid in the longitudinal brick base 5, two ends of the longitudinal tie bar 18 are bound on the transverse tie bar 15, a layer of longitudinal tie bar 18 is arranged on the longitudinal brick base 5 every twenty-five centimeters, the longitudinal brick base 5 can stabilize the transverse brick base 11, and the transverse brick base 11 is prevented from expanding after being filled.

The utility model discloses a theory of operation is: firstly, paying off and fixing a point, then excavating a foundation pit, driving a pile hole downwards at the fixed point when the foundation pit is excavated to a preset depth, putting a column reinforcement 1 into the hole and pouring concrete, binding a first transverse reinforcement 12 and a first longitudinal reinforcement 13 when the foundation pit is excavated to the plane of the bottom of the foundation pit, placing the first longitudinal reinforcement 13 on the first transverse reinforcement 12, placing a cement protection block at the bottom of the first transverse reinforcement 12, building again, curing after initial setting, forming a raft foundation 8 after complete drying, then pouring shear walls 9 at the midpoints of four sides of the raft foundation 8, simultaneously building the remaining column reinforcements 1, backfilling after curing, when the foundation pit is backfilled to half of the foundation pit, binding a second transverse reinforcement 14, a second longitudinal reinforcement 16, a reinforcing rib 17 and a hook reinforcement 19, pouring C30 concrete in the second transverse reinforcement 14 and the second longitudinal reinforcement 16 by using a supporting template, pouring C35 concrete in the reinforcing rib 17 and the hook reinforcement 19, and pouring a transverse tie 15 at the inner side of the second longitudinal reinforcement 16, and binding longitudinal tie bars 18 between the transverse tie bars 15, building the transverse brick bases 11 and the longitudinal brick bases 5 on the transverse tie bars 15 and the longitudinal tie bars 18 after maintenance, and finally performing earth backfilling.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shallow foundation structure that buries of middle level building foundation, includes foundation pile (7), its characterized in that: a raft foundation (8) is poured in the middle of the foundation pile (7), a column foundation (3) is poured at the top of the foundation pile (7), strip foundations (10) are poured between the column foundations (3), transverse brick foundations (11) are horizontally built along the strip foundations (10), a stacking head (6) is poured outside the column foundation (3), the stacking head (6) and the strip foundations (10) are on the same straight line, longitudinal brick foundations (5) are longitudinally built between the transverse brick foundations (11) along the transverse brick foundations, shear walls (9) are poured between the strip foundations (10) and the raft foundation (8), the shear walls (9) are located at the central points of the frames of the strip foundations (10) and the raft foundation (8), column reinforcements (1) are bound in the foundation pile (7), the reinforcements on the column reinforcements (1) are arranged in a transverse three-longitudinal mode, the column reinforcements (1) are equidistantly sleeved with stirrup (2), and the intervals between the stirrup (2) are not more than twenty-five centimeters, and a plate rib (4) is bound on the strip-shaped base (10) and close to the column base (3).

2. The mid-level building foundation shallow burying foundation structure of claim 1, wherein, first transverse ribs (12) are equidistantly arranged in the raft foundation (8) along the width direction thereof, and first longitudinal ribs (13) are equidistantly arranged at the top of the first transverse ribs (12), and the first longitudinal ribs (13) are arranged along the length direction of the raft foundation (8).

3. The mid-level building foundation shallow burying foundation structure of claim 2, wherein the contact point of the first transverse bar (12) and the first longitudinal bar (13) is bound with iron wires, the distances from the first transverse bar (12) and the first longitudinal bar (13) to the bottom and the top of the raft foundation (8) are equal, and the column bars (1) are inserted between the first transverse bar (12) and the first longitudinal bar (13) in a staggered manner.

4. The mid-story building foundation shallow-buried foundation structure as claimed in claim 1, wherein the second transverse ribs (14) are arranged in the strip-shaped base (10) at regular intervals along the width direction thereof, and the second longitudinal ribs (16) are arranged in the strip-shaped base (10) at regular intervals along the length direction thereof.

5. The shallow foundation structure of a middle building foundation as claimed in claim 1, wherein the column base (3) is internally and transversely provided with reinforcing ribs (17) at equal intervals, the reinforcing ribs (17) are arranged in a step shape, the reinforcing ribs (17) are crossed with the second longitudinal ribs (16), and hook ribs (19) are obliquely arranged between the reinforcing ribs (17).

6. The shallow foundation structure of a middle building foundation as claimed in claim 1, characterized in that, the transverse tie bar (15) is laid in the transverse brick base (11), and two ends of the transverse tie bar (15) are bound in the bar base (10), and the transverse tie bar (15) is arranged on the transverse brick base (11) every twenty-five centimeters.

7. The shallow foundation structure of a middle building foundation as claimed in claim 6, wherein the longitudinal brick base (5) is internally laid with longitudinal tie bars (18), and both ends of the longitudinal tie bars (18) are tied on the transverse tie bars (15), and the longitudinal brick base (5) is provided with one layer of longitudinal tie bars (18) every twenty-five centimeters.