CN211395773U - Low-rise building earthquake-resistant foundation structure - Google Patents
Low-rise building earthquake-resistant foundation structure Download PDFInfo
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- CN211395773U CN211395773U CN201921357913.3U CN201921357913U CN211395773U CN 211395773 U CN211395773 U CN 211395773U CN 201921357913 U CN201921357913 U CN 201921357913U CN 211395773 U CN211395773 U CN 211395773U
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Abstract
The utility model discloses a low-rise building earthquake-resistant foundation structure, which comprises a foundation matrix (1), upright posts (2) and a lower column base (3); the lower column base (3) is pre-embedded in the foundation substrate (1), the lower end of the upright post (2) is pre-embedded in the foundation substrate (1), and the lower column base (3) is positioned below the upright post (2); the upright post (2) is formed by pouring concrete, an internal steel bar (4) of an I-shaped steel profile is arranged in the upright post (2), the internal steel bar (4) is arranged along the length extending direction of the upright post (2), and the end part of the internal steel bar (4) protrudes out of the lower end surface of the upright post (2); the lower column base (3) is internally provided with an inserting through cavity (5), and the length extending direction of the inserting through cavity (5) is arranged along the length extending direction of the column (2). The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.
Description
Technical Field
The utility model relates to a low-rise building antidetonation foundation structure belongs to the building field.
Background
The foundation structure refers to a soil body or a rock body for supporting a foundation under a building, in recent years, China has a plurality of disasters caused by earthquakes, and a large number of buildings are damaged, so what is an earthquake is generated, at present, puzzles still exist for the generation of the earthquake and how to damage the buildings, but a consensus exists that huge impact force is generated for the earthquake to accelerate the movement of the buildings, so that the buildings deform from bottom to top, the building structure is damaged and loses the mechanical property after the earthquake reaches the outside of the pressure bearing range of the buildings, and the buildings collapse along with the damage. The foundation structure among the prior art adopts rigid foundation structure mostly, has better intensity, can support the use of building, but this kind of rigid foundation shock resistance is relatively poor, and when ground vibrations, the vibration passes through basic transmission to whole building, causes the building to damage.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model to exist among the prior art: the foundation structure in the prior art mostly adopts a rigid foundation structure, has better strength, can support the use of a building, but the seismic resistance of the rigid foundation is poorer, and when the ground vibrates, the vibration is transmitted to the whole building through the foundation, so that the building is damaged.
In order to solve the technical problem, the utility model adopts the technical proposal that the earthquake-proof foundation structure of the low-rise building comprises a foundation matrix, upright posts and a lower part column base; the lower column base is embedded in the foundation substrate, the lower end of the upright column is embedded in the foundation substrate, and the lower column base is positioned below the upright column; the upright post is formed by pouring concrete, an internal steel bar of an I-shaped steel profile is arranged in the upright post, the internal steel bar is arranged along the length extension direction of the upright post, and the end part of the internal steel bar protrudes out of the lower end surface of the upright post; the lower column base is internally provided with an inserting through cavity, the length extending direction of the inserting through cavity is arranged along the length extending direction of the column, and the end part of the inner steel bar is inserted into the inserting through cavity and is in sliding connection with the inserting through cavity; a bearing platform is arranged at one end of the upright post embedded in the foundation substrate, and the end part of the inner steel bar penetrates through the bottom end surface of the bearing platform; and an elastic damping component is arranged between the bearing platform and the lower column base.
In the technical scheme of this application, set up the cushion cap in the below of stand, improved the fixed firmness of stand lower extreme in ground matrix, the below of cushion cap has set up the lower part column base. The embedded depth of the upright post and the bearing platform in the foundation substrate is the same as the foundation depth of the upright post and the bearing platform when bearing load independently. In this application, pour inside billet in the stand, set up grafting logical chamber in the lower part column base, inside billet is pegged graft in the grafting intracavity, and the restriction stand is receiving the activity direction after vibrations, uses elasticity shock attenuation subassembly to connect cushion cap and lower part column base, and elastic deformation and elasticity through elasticity shock attenuation subassembly resume to absorb and reduce the vibrations energy to resume the position of stand and cushion cap when vibrations disappear.
Preferably, in the earthquake-resistant foundation structure for low-rise buildings, the lower column base includes an upper base butted with the bearing platform and a lower base arranged at the lower part of the upper base, the sectional dimension of the upper base in the direction perpendicular to the extending direction of the length of the upright column is the same as the sectional dimension of the bearing platform in the direction perpendicular to the extending direction of the length of the upright column, and the sectional dimension of the lower base in the direction perpendicular to the extending direction of the length of the upright column is larger than the sectional dimension of the upper base in the direction perpendicular to the extending direction of the; the plug-in through cavity penetrates through the upper base and the lower base.
In this application, the lower part column base comprises upper portion base and lower part base, and upper portion base and lower part base pass through the concrete placement shaping for the joint strength of lower part column base is higher. The cross-sectional dimension of lower part column base is greater than the cross-sectional dimension of upper portion base for the longitudinal firmness of whole lower part column base in the ground matrix is higher, and then improves the firmness of whole basis in the ground matrix.
Preferably, in the earthquake-resistant foundation structure for the low-rise building, the inserting through cavity is a hollow steel pipe, the lower column foundation is formed by pouring concrete, the inserting through cavity is poured in the lower column foundation, and the shape of the inserting through cavity is matched with the inner steel bar; and a plurality of column foundation reinforcing steel bars are arranged in the lower column foundation, and the inserting through cavity is welded and fixed with the column foundation reinforcing steel bars.
In this application, will peg graft and lead to the hollow steel pipe in chamber and pour in lower part column base, peg graft and lead to the chamber as the inside skeleton of lower part column base, improved the intensity of lower part column base. The inserting through cavity is fixed on the lower column base through the column base steel bars, so that the connecting strength of the inserting through cavity and the lower column base is increased.
Preferably, in the earthquake-resistant foundation structure for low-rise buildings, the elastic damping assembly comprises an annular upper bearing plate and an annular lower bearing plate, and the upper bearing plate and the lower bearing plate are arranged in parallel and perpendicular to the length extension direction of the upright column; the upper bearing plate is sleeved on the bearing platform and fixedly connected with the bearing platform, and the lower bearing plate is sleeved on the lower column base and fixedly connected with the lower column base; a plurality of arc-shaped plate spring strips are arranged between the upper bearing plate and the lower bearing plate, and two ends of each plate spring strip respectively penetrate through the upper bearing plate and the lower bearing plate and are bent and fixed.
In this application, set up upper portion bearing plate on the cushion cap, set up lower part bearing plate on lower column base, use the leaf spring strip to be connected upper portion bearing plate and lower part bearing plate, when vibrations take place, through the elastic deformation and the elastic recovery absorption of leaf spring strip and reduce the vibrations energy for the vibrations that lower column base transmitted to the cushion cap reduce, play shock-proof effect of shock attenuation. The arrangement of the upper bearing plate and the lower bearing plate improves the stability of the bearing platform and the lower column base in the foundation matrix and reduces the side inclination of the upright column.
Preferably, in the earthquake-resistant foundation structure for the low-rise building, the lower bearing plate is provided with a plurality of anchor rods, and one end of each anchor rod penetrates through the lower bearing plate and is fixedly connected with the lower bearing plate through a nut; the other end of the anchor rod is anchored in the foundation substrate.
In this application, set up the stock on lower part bearing plate, through the anchoring effect of stock for the stability of lower part bearing plate in ground matrix improves, and then improves the stability of lower part column base in ground matrix.
Preferably, in the earthquake-resistant foundation structure for the low-rise building, the bearing platform is sleeved with a first fixing sleeve, the lower end of the first fixing sleeve is fixedly connected with a first fixing ring, and the first fixing ring is attached to the surface of the upper pressure-bearing plate and is fixedly connected with the upper pressure-bearing plate through a bolt; a plurality of reinforcing ribs are arranged between the surface of one side of the fixed sleeve and the upper end surface of the first fixed ring; the bearing platform is internally provided with a plurality of bearing platform reinforcing steel bars, and the end parts of the bearing platform reinforcing steel bars penetrate through the side surface of the bearing platform and the fixed sleeve and are fixedly connected with the fixed sleeve through nuts.
In this application, use fixed cover one and solid fixed ring one to be fixed in the cushion cap with upper portion bearing plate on, the cushion cap reinforcing bar passes fixed cover one and makes fixed cover one higher with the joint strength of cushion cap. The first fixing ring is attached to the upper bearing plate, so that the strength of the upper bearing plate is enhanced. The first fixing sleeve and the first fixing ring can be integrally cast or integrally formed in a punching mode, so that the internal stress of the first fixing sleeve and the internal stress of the first fixing ring are reduced, and the strength is improved.
Preferably, in the earthquake-resistant foundation structure for the low-rise building, the lower column base is sleeved with a second fixing sleeve, the lower end of the second fixing sleeve is fixedly connected with a second fixing ring, and the second fixing ring is attached to the surface of the lower pressure-bearing plate and is fixedly connected with the lower pressure-bearing plate through a bolt; a plurality of reinforcing ribs are arranged between the surfaces of the two sides of the fixed sleeve and the upper end surface of the second fixed ring; and a plurality of column base reinforcing steel bars are arranged in the lower column base, and the end parts of the column base reinforcing steel bars penetrate through the side surface of the lower column base and the second fixing sleeve and are fixedly connected with the first fixing sleeve through nuts.
In this application, use fixed cover two and solid fixed ring two to be fixed in the lower part column base on with lower part bearing plate, the column base reinforcing bar passes fixed cover two and makes fixed cover two higher with the joint strength of lower part column base. And the second fixing ring is attached to the lower bearing plate, so that the strength of the lower bearing plate is enhanced. The second fixing sleeve and the second fixing ring can be integrally cast or integrally formed in a punching mode, so that the internal stress of the joint of the fixing sleeve and the fixing ring is reduced, and the strength is improved.
Preferably, in the low-rise building earthquake-resistant foundation structure, a plurality of end-bearing piles are arranged in the foundation substrate, and the length extension directions of the end-bearing piles are parallel to the length extension direction of the upright columns; the foundation substrate comprises a ramming soil layer, a soft soil layer and a bearing soil layer from top to bottom, one end of the end bearing pile is fixed with the lower base, and the other end of the end bearing pile penetrates through the soft soil layer and is inserted into the bearing soil layer; and a soft soil buffer layer is filled between the bearing platform and the lower column base.
In this application, if meet the thick geology of soft soil layer, can be in lower part base sub-unit connection end-bearing stake to improve the stability of lower part base in ground matrix.
The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. In the technical scheme of this application, set up the cushion cap in the below of stand, improved the fixed firmness of stand lower extreme in ground matrix, the below of cushion cap has set up the lower part column base. The embedded depth of the upright post and the bearing platform in the foundation substrate is the same as the foundation depth of the upright post and the bearing platform when bearing load independently. In this application, pour inside billet in the stand, set up grafting logical chamber in the lower part column base, inside billet is pegged graft in the grafting intracavity, and the restriction stand is receiving the activity direction after vibrations, uses elasticity shock attenuation subassembly to connect cushion cap and lower part column base, and elastic deformation and elasticity through elasticity shock attenuation subassembly resume to absorb and reduce the vibrations energy to resume the position of stand and cushion cap when vibrations disappear.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the utility model relates to a low-rise building earthquake-resistant foundation structure, which comprises a foundation substrate 1, a stand column 2 and a lower part column base 3; the lower column foundation 3 is embedded in the foundation substrate 1, the lower end of the upright post 2 is embedded in the foundation substrate 1, and the lower column foundation 3 is positioned below the upright post 2; the upright post 2 is formed by pouring concrete, an internal steel bar 4 of an I-shaped steel is arranged in the upright post 2, the internal steel bar 4 is arranged along the length extending direction of the upright post 2, and the end part of the internal steel bar 4 protrudes out of the lower end surface of the upright post 2; the lower column base 3 is internally provided with an inserting through cavity 5, the length extending direction of the inserting through cavity 5 is arranged along the length extending direction of the column 2, and the end part of the inner steel bar 4 is inserted in the inserting through cavity 5 and is in sliding connection with the inserting through cavity 5; a bearing platform 6 is arranged at one end of the upright post 2 embedded in the foundation substrate 1, and the end part of the inner steel bar 4 penetrates through the bottom end surface of the bearing platform 6; and an elastic damping component is arranged between the bearing platform 6 and the lower column base 3.
In the technical scheme of this application, set up cushion cap 6 in the below of stand 2, improve the fixed firmness of stand 2 lower extreme in ground matrix 1, the below of cushion cap 6 has set up lower part column base 3. The embedded depth of the upright post 2 and the bearing platform 6 in the foundation substrate 1 is the same as the foundation depth of the upright post 2 and the bearing platform 6 when bearing load independently. In this application, built inside billet 4 in stand 2, set up grafting logical chamber 5 in lower part plinth 3, inside billet 4 is pegged graft in grafting logical chamber 5, restriction stand 2 is receiving the activity direction after vibrations, use elasticity shock attenuation subassembly to connect cushion cap 6 and lower part plinth 3, elastic deformation and the elasticity recovery absorption through elasticity shock attenuation subassembly reduce the vibrations energy, and resume stand 2 and cushion cap 6's position when vibrations disappear.
The lower column foundation 3 comprises an upper base 31 butted with the bearing platform 6 and a lower base 32 arranged at the lower part of the upper base 31, the section size of the upper base 31 along the direction vertical to the length extension of the upright column 2 is the same as that of the bearing platform 6 along the direction vertical to the length extension of the upright column 2, and the section size of the lower base 32 along the direction vertical to the length extension of the upright column 2 is larger than that of the upper base 31 along the direction vertical to the length extension of the upright column 2; the plug-through cavity 5 extends through the upper and lower bases 31, 32.
In the present application, the lower column foundation 3 is composed of an upper base 31 and a lower base 32, and the upper base 31 and the lower base 32 are formed by concrete casting, so that the connection strength of the lower column foundation 3 is high. The cross-sectional dimension of lower column foundation 3 is greater than the cross-sectional dimension of upper portion base 31 for the longitudinal firmness of whole lower column foundation 3 in foundation matrix 1 is higher, and then improves the firmness of whole basis in foundation matrix 1.
The splicing through cavity 5 is a hollow steel pipe, the lower column foundation 3 is formed by pouring concrete, the splicing through cavity 5 is poured in the lower column foundation 3, and the shape of the splicing through cavity 5 is matched with the inner steel bar 4; and a plurality of column foundation reinforcing steel bars 7 are arranged in the lower column foundation 3, and the inserting through cavity 5 is welded and fixed with the column foundation reinforcing steel bars 7.
In this application, will peg graft and lead to the hollow steel pipe in chamber 5 and pour in lower part column base 3, peg graft and lead to chamber 5 as the inside skeleton of lower part column base 3, improved the intensity of lower part column base 3. The inserting through cavity 5 is fixed on the lower column base 3 through the column base steel bars 7, so that the connecting strength of the inserting through cavity 5 and the lower column base 3 is increased.
The elastic shock absorption assembly comprises an annular upper bearing plate 8 and an annular lower bearing plate 9, wherein the upper bearing plate 8 and the lower bearing plate 9 are arranged in parallel and are perpendicular to the length extension direction of the upright post 2; the upper bearing plate 8 is sleeved on the bearing platform 6 and fixedly connected with the bearing platform 6, and the lower bearing plate 9 is sleeved on the lower column foundation 3 and fixedly connected with the lower column foundation 3; a plurality of arc-shaped plate spring strips 21 are arranged between the upper bearing plate 8 and the lower bearing plate 9, and two ends of each plate spring strip 21 respectively penetrate through the upper bearing plate 8 and the lower bearing plate 9 and are bent and fixed.
In this application, set up upper portion bearing plate 8 on cushion cap 6, set up lower part bearing plate 9 on lower column base 3, use leaf spring strip 21 to be connected upper portion bearing plate 8 and lower part bearing plate 9, when vibrations take place, through the elastic deformation and the elastic recovery absorption of leaf spring strip 21 and reduce the vibrations energy for lower part column base 3 transmits the vibrations reduction to cushion cap 6, plays shock attenuation antidetonation effect. The arrangement of the upper bearing plate 8 and the lower bearing plate 9 improves the stability of the bearing platform 6 and the lower column base 3 in the foundation substrate 1, and reduces the side inclination of the upright column 2.
A plurality of anchor rods 10 are arranged on the lower bearing plate 9, and one ends of the anchor rods 10 penetrate through the lower bearing plate 9 and are fixedly connected with the lower bearing plate 9 through nuts; the other end of the anchor rod 10 is anchored in the foundation matrix 1.
In this application, set up stock 10 on lower bearing plate 9, through the anchoring effect of stock 10 for the stability of lower part bearing plate 9 in ground matrix 1 improves, and then improves the stability of lower part column base 3 in ground matrix 1.
A first fixing sleeve 11 is sleeved on the bearing platform 6, the lower end of the first fixing sleeve 11 is fixedly connected with a first fixing ring 12, and the first fixing ring 12 is attached to the surface of the upper bearing plate 8 and is fixedly connected with the upper bearing plate 8 through a bolt; a plurality of reinforcing ribs are arranged between the side surface of the first fixing sleeve 11 and the upper end surface of the first fixing ring 12; a plurality of bearing platform reinforcing steel bars 15 are arranged in the bearing platform 6, and the end parts of the bearing platform reinforcing steel bars 15 penetrate through the side surface of the bearing platform 6, the first fixing sleeve 11 and are fixedly connected with the first fixing sleeve 11 through nuts.
In the application, the upper bearing plate 8 is fixed on the bearing platform 6 by using the first fixing sleeve 11 and the first fixing ring 12, and the bearing platform steel bar 15 penetrates through the first fixing sleeve 11, so that the connection strength of the first fixing sleeve 11 and the bearing platform 6 is higher. The first fixing ring 12 is attached to the upper bearing plate 8, and the strength of the upper bearing plate 8 is enhanced. The fixing sleeve I11 and the fixing ring I12 can be integrally cast or integrally formed in a punching mode, so that the internal stress of the fixing sleeve I and the fixing ring I is reduced, and the strength is improved.
A second fixing sleeve 13 is sleeved on the lower column base 3, the lower end of the second fixing sleeve 13 is fixedly connected with a second fixing ring 14, and the second fixing ring 14 is attached to the surface of the lower bearing plate 9 and is fixedly connected with the lower bearing plate 9 through a bolt; a plurality of reinforcing ribs are arranged between the side surface of the second fixing sleeve 13 and the upper end surface of the second fixing ring 14; a plurality of column base reinforcing steel bars 7 are arranged in the lower column base 3, and the end parts of the column base reinforcing steel bars 7 penetrate through the side surface of the lower column base 3, the second fixing sleeve 13 and are fixedly connected with the first fixing sleeve 11 through nuts.
In this application, use two 13 of fixed cover and two 14 of solid fixed ring to be fixed in lower part pressure-bearing plate 9 on lower part column base 3, column base reinforcing bar 7 passes two 13 of fixed cover and makes the joint strength of two 13 of fixed cover and lower part column base 3 higher. The second fixing ring 14 is attached to the lower bearing plate 9, so that the strength of the lower bearing plate 9 is enhanced. The second fixing sleeve 13 and the second fixing ring 14 can be integrally cast or integrally formed in a punching mode, so that the internal stress of the joint of the two fixing sleeves is reduced, and the strength is improved.
A plurality of end-bearing piles 16 are arranged in the foundation substrate 1, and the length extension direction of the end-bearing piles 16 is parallel to the length extension direction of the upright posts 2; the foundation substrate 1 comprises a ramming soil layer 17, a soft soil layer 18 and a bearing capacity soil layer 19 from top to bottom, one end of an end bearing pile 16 is fixed with a lower base 32, and the other end of the end bearing pile 16 penetrates through the soft soil layer 18 and is inserted into the bearing capacity soil layer 19; and a soft soil buffer layer 20 is filled between the bearing platform 6 and the lower column foundation 3.
In the present application, end-caps 16 may be attached to the lower portion of lower foundation 32 to improve the stability of lower foundation 32 within foundation matrix 1 if a thicker formation of soft soil layer 18 is encountered.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a low-rise building antidetonation foundation structure which characterized in that: comprises a foundation substrate (1), a column (2) and a lower column base (3); the lower column base (3) is pre-embedded in the foundation substrate (1), the lower end of the upright post (2) is pre-embedded in the foundation substrate (1), and the lower column base (3) is positioned below the upright post (2); the upright post (2) is formed by pouring concrete, an internal steel bar (4) of an I-shaped steel profile is arranged in the upright post (2), the internal steel bar (4) is arranged along the length extending direction of the upright post (2), and the end part of the internal steel bar (4) protrudes out of the lower end surface of the upright post (2); an inserting through cavity (5) is formed in the lower column base (3), the length extending direction of the inserting through cavity (5) is arranged along the length extending direction of the column (2), and the end part of the inner steel bar (4) is inserted into the inserting through cavity (5) and is in sliding connection with the inserting through cavity (5); a bearing platform (6) is arranged at one end of the upright column (2) embedded in the foundation substrate (1), and the end part of the inner steel bar (4) penetrates through the bottom end surface of the bearing platform (6); and an elastic damping component is arranged between the bearing platform (6) and the lower column base (3).
2. A low-rise building earthquake-resistant foundation structure as defined in claim 1, wherein: the lower column base (3) comprises an upper base (31) butted with the bearing platform (6) and a lower base (32) arranged at the lower part of the upper base (31), the section size of the upper base (31) along the direction vertical to the length extension of the upright column (2) is the same as the section size of the bearing platform (6) along the direction vertical to the length extension of the upright column (2), and the section size of the lower base (32) along the direction vertical to the length extension of the upright column (2) is larger than the section size of the upper base (31) along the direction vertical to the length extension of the upright column (2); the plug-in through cavity (5) penetrates through the upper base (31) and the lower base (32).
3. A low-rise building earthquake-resistant foundation structure as defined in claim 1, wherein: the splicing through cavity (5) is a hollow steel pipe, the lower column foundation (3) is formed by pouring concrete, the splicing through cavity (5) is poured in the lower column foundation (3), and the shape of the splicing through cavity (5) is matched with the inner steel bar (4); and a plurality of column foundation reinforcing steel bars (7) are arranged in the lower column foundation (3), and the inserting through cavity (5) is welded and fixed with the column foundation reinforcing steel bars (7).
4. A low-rise building earthquake-resistant foundation structure as defined in claim 1, wherein: the elastic shock absorption assembly comprises an annular upper bearing plate (8) and an annular lower bearing plate (9), wherein the upper bearing plate (8) and the lower bearing plate (9) are arranged in parallel and are perpendicular to the length extension direction of the upright post (2); the upper bearing plate (8) is sleeved on the bearing platform (6) and fixedly connected with the bearing platform (6), and the lower bearing plate (9) is sleeved on the lower column foundation (3) and fixedly connected with the lower column foundation (3); a plurality of arc-shaped plate spring strips (21) are arranged between the upper bearing plate (8) and the lower bearing plate (9), and two ends of each plate spring strip (21) respectively penetrate through the upper bearing plate (8) and the lower bearing plate (9) and are bent and fixed.
5. A low-rise building earthquake-resistant foundation structure as defined in claim 4, wherein: a plurality of anchor rods (10) are arranged on the lower bearing plate (9), and one ends of the anchor rods (10) penetrate through the lower bearing plate (9) and are fixedly connected with the lower bearing plate (9) through nuts; the other end of the anchor rod (10) is anchored in the foundation substrate (1).
6. A low-rise building earthquake-resistant foundation structure as defined in claim 4, wherein: the bearing platform (6) is sleeved with a first fixing sleeve (11), the lower end of the first fixing sleeve (11) is fixedly connected with a first fixing ring (12), and the first fixing ring (12) is attached to the surface of the upper bearing plate (8) and is fixedly connected with the upper bearing plate (8) through a bolt; a plurality of reinforcing ribs are arranged between the side surface of the first fixing sleeve (11) and the upper end surface of the first fixing ring (12); a plurality of bearing platform reinforcing steel bars (15) are arranged in the bearing platform (6), and the end parts of the bearing platform reinforcing steel bars (15) penetrate through the side surface of the bearing platform (6), the first fixing sleeve (11) and are fixedly connected with the first fixing sleeve (11) through nuts.
7. A low-rise building earthquake-resistant foundation structure as defined in claim 4, wherein: a second fixing sleeve (13) is sleeved on the lower column base (3), the lower end of the second fixing sleeve (13) is fixedly connected with a second fixing ring (14), and the second fixing ring (14) is attached to the surface of the lower bearing plate (9) and is fixedly connected with the lower bearing plate (9) through a bolt; a plurality of reinforcing ribs are arranged between the side surface of the second fixing sleeve (13) and the upper end surface of the second fixing ring (14); a plurality of column base reinforcing steel bars (7) are arranged in the lower column base (3), and the end parts of the column base reinforcing steel bars (7) penetrate through the side surface of the lower column base (3), the second fixing sleeve (13) and are fixedly connected with the first fixing sleeve (11) through nuts.
8. A low-rise building earthquake-resistant foundation structure as defined in claim 4, wherein: a plurality of end-bearing piles (16) are arranged in the foundation substrate (1), and the length extension direction of the end-bearing piles (16) is parallel to the length extension direction of the upright columns (2); the foundation substrate (1) comprises a rammed soil layer (17), a soft soil layer (18) and a bearing capacity soil layer (19) from top to bottom, one end of an end bearing pile (16) is fixed with a lower base (32), and the other end of the end bearing pile (16) penetrates through the soft soil layer (18) and is inserted into the bearing capacity soil layer (19); and a soft soil buffer layer (20) is filled between the bearing platform (6) and the lower column base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357913.3U CN211395773U (en) | 2019-08-20 | 2019-08-20 | Low-rise building earthquake-resistant foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357913.3U CN211395773U (en) | 2019-08-20 | 2019-08-20 | Low-rise building earthquake-resistant foundation structure |
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| Publication Number | Publication Date |
|---|---|
| CN211395773U true CN211395773U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921357913.3U Active CN211395773U (en) | 2019-08-20 | 2019-08-20 | Low-rise building earthquake-resistant foundation structure |
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| CN (1) | CN211395773U (en) |
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Address after: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province Patentee after: Qingdao Construction Group Co.,Ltd. Patentee after: QINGJIAN GROUP Co.,Ltd. Address before: 266000 3rd floor, No.5 Nanhai Branch Road, Shinan District, Qingdao City, Shandong Province Patentee before: QINGJIAN GROUP Co.,Ltd. Patentee before: QINGJIAN GROUP Co.,Ltd. |