CN110374221B - Foundation engineering vibration isolation structure and construction method thereof - Google Patents

Foundation engineering vibration isolation structure and construction method thereof Download PDF

Info

Publication number
CN110374221B
CN110374221B CN201910657688.3A CN201910657688A CN110374221B CN 110374221 B CN110374221 B CN 110374221B CN 201910657688 A CN201910657688 A CN 201910657688A CN 110374221 B CN110374221 B CN 110374221B
Authority
CN
China
Prior art keywords
block
transverse moving
cushion block
cushion
foundation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910657688.3A
Other languages
Chinese (zh)
Other versions
CN110374221A (en
Inventor
刘沛坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jianan Pile Foundation Engineering Co ltd
Original Assignee
Dongguan Jianan Pile Foundation Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Jianan Pile Foundation Engineering Co ltd filed Critical Dongguan Jianan Pile Foundation Engineering Co ltd
Priority to CN201910657688.3A priority Critical patent/CN110374221B/en
Publication of CN110374221A publication Critical patent/CN110374221A/en
Application granted granted Critical
Publication of CN110374221B publication Critical patent/CN110374221B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a foundation engineering vibration isolation structure and a construction method thereof, and the technical scheme is that the vibration isolation structure comprises a foundation layer, a first cushion block, a second cushion block, a support column, a support plate, a bearing block, a transverse moving block and a support beam; the construction method comprises the following steps: a. prefabricating concrete; b. measuring the position; c. excavating a foundation pit; d. pre-burying a base layer; e. mounting a support column; f. pre-embedding a guide sleeve; g. a transverse moving block is installed; the two buffer cushion blocks enable the building to move in the vertical direction, so that the vertical vibration is not easy to cause rigid damage to the building, the transverse moving block is provided with a displacement space in the transverse direction, the transverse moving block can move along with the vibration in the transverse vibration, the building is not easy to be subjected to rigid damage caused by the transverse vibration, and after the vibration is finished, the transverse moving block can be restored to the original position under the action of the inclined plane; thus, the earthquake-resistant performance of the building can be improved without investing a large amount of materials for improving the rigidity of the building.

Description

Foundation engineering vibration isolation structure and construction method thereof
Technical Field
The invention relates to the technical field of building vibration isolation, in particular to a foundation engineering vibration isolation structure and a construction method thereof.
Background
Along with the gradual acceleration of the urbanization process, various high-rise buildings begin to emerge endlessly, and along with the gradual increase of the heights of the buildings, the resistance of the buildings to vibration is poorer, so the shock resistance of the high-rise buildings is lower than that of the low-rise buildings, most of the existing high-rise buildings adopt a method for reinforcing foundation engineering in the construction process to improve the shock resistance of the buildings, and the using amount of various materials in the construction process needs to be increased.
There is a need for a foundation engineering vibration isolation structure capable of improving the seismic capacity of high-rise buildings without investing a large amount of materials for improving the rigidity of the buildings.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a foundation engineering vibration isolation structure, wherein a building is enabled to move in a vertical direction through two buffer cushion blocks, so that vertical vibration is not easy to cause rigid damage to the building, a transverse moving block is provided with a displacement space in a transverse direction and can move along with vibration in the transverse vibration, so that the building is not easy to be damaged by the rigidity of the transverse vibration, and after the vibration is finished, the transverse moving block can be restored to the original position under the action of an inclined surface; thus, the earthquake-resistant performance of the building can be improved without investing a large amount of materials for improving the rigidity of the building.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation engineering vibration isolation structure and a construction method thereof comprise a foundation layer buried in the ground bottom, a first cushion block with the bottom embedded in the middle position of the top of the foundation layer, a second cushion block arranged on the first cushion block, a support column arranged on the top of the second cushion block, a support plate fixedly connected to the top of the support column and positioned above the ground, a bearing block fixedly connected to the top of the support plate, a transverse moving block arranged in the bearing block and a support beam fixedly connected to the top of the transverse moving block;
the first cushion block top is provided with the pre-buried connecting block in the middle of the support column, bearing piece top intermediate position sets up the groove of stepping down of transversal personally submitting rectangle setting along vertical direction, the groove of stepping down bottom intermediate position is provided with the spacing groove of seting up on the bearing piece along vertical direction, the transversal rectangle setting of personally submitting of spacing groove, four sides of spacing groove are the inclined plane, the bottom one side orientation on four inclined planes of spacing groove is close to the direction slope setting of spacing groove bottom intermediate position, the transversal rectangle setting of personally submitting of lateral shifting piece, four sides play of lateral shifting piece bottom also is provided with the inclined plane, the bottom one side orientation on inclined plane is close to the direction slope setting of lateral shifting piece bottom intermediate position, the inclination on inclined plane is all the same, four inclined planes on the lateral shifting piece respectively with step down four inclined planes on the groove and laminate each other, first cushion block and second.
By adopting the technical scheme, in the process that the building is subjected to vertical vibration, because the first cushion block and the second cushion block are arranged, the whole building has a displacement space in the vertical direction, so that the vertical vibration is not easy to cause rigid damage to the building; thus, the earthquake-resistant performance of the building can be improved without investing a large amount of materials for improving the rigidity of the building.
The invention is further configured to: the inner wall of the abdicating groove is provided with a shock pad fixedly connected to the bearing block, one side of the shock pad close to the transverse moving block is mutually attached to the transverse moving block, and the shock pad has elasticity.
Through adopting above-mentioned technical scheme, through setting up the shock pad, can cushion the lateral shifting piece when lateral shifting piece takes place to can also assist the lateral shifting piece come back to the normal position after vibrations finish.
The invention is further configured to: the bottom of the second cushion block is fixedly connected with a plurality of positioning blocks, the top of the first cushion block is provided with a plurality of positioning grooves which are in one-to-one correspondence with the positioning blocks, and the positioning blocks are matched with the corresponding positioning grooves;
the locating piece has elasticity.
Through adopting above-mentioned technical scheme, through setting up locating piece and constant head tank, can fix a position when installing first cushion block and second cushion block.
The invention is further configured to: the part of the first cushion block embedded into the foundation layer is provided with a plurality of steel bars, and the steel bars penetrate through the first cushion block along the horizontal direction;
and a plurality of steel bars which penetrate through the connecting block along the horizontal direction are also arranged on the connecting block, and the steel bars which penetrate through the connecting block are embedded into the supporting columns.
Through adopting above-mentioned technical scheme, through setting up the reinforcing bar, can increase the steadiness of being connected between first cushion block and the basic unit and between second cushion block and the support column.
The invention is further configured to: the support column outside is provided with cuts apart the cover, cuts apart the cover and establishes in support column, first cushion block and the first cushion block outside, cuts apart the top surface of cover and the mutual parallel and level in ground.
Through adopting above-mentioned technical scheme, cut apart the cover through setting up, can cut apart the cover earlier and establish in the first cushion block outside, then carry out the installation of second cushion block and support column, lead to second cushion block and support column in the middle of the process of installation.
The invention is further configured to: the cross section of the supporting plate is rectangular, four guide columns which are vertically arranged in the length direction are fixedly connected to four corners of the bottom of the supporting plate, guide sleeves which are pre-embedded into the ground are arranged below the guide columns, the guide columns are inserted into the guide sleeves, the peripheries of the guide columns are mutually attached to the inner walls of the guide sleeves, and one end of the bottom of each guide column is higher than one end of the bottom of each guide sleeve;
the guide sleeve overcoat is equipped with the spring that is located between guide sleeve top surface and the backup pad bottom surface.
Through adopting above-mentioned technical scheme, can lead the vertical displacement of building when vertical vibrations through setting up guide post and uide bushing to can absorb vibrations through the spring.
Another object of the present invention is to provide a method for constructing a foundation engineering vibration isolation structure, which can increase the seismic performance of a building without adding a large amount of materials for increasing the rigidity of the building, and comprises the following steps:
a. prefabricating concrete: the method comprises the following steps that a foundation layer, a supporting column, a supporting plate, a guide column, a bearing block, a transverse moving block and a supporting beam are formed by utilizing concrete in a pouring mode, a plurality of transversely distributed reinforcing steel bars are inserted into the bottom of a first cushion block, the bottom of the first cushion block and the reinforcing steel bars are embedded into the middle position of the top of the foundation layer when the foundation layer is poured, the plurality of transversely distributed reinforcing steel bars are inserted into a connecting block, and the connecting block and the reinforcing steel bars are embedded into the middle position of the bottom of the supporting column when the foundation layer is poured;
b. position measurement: measuring the position of the vibration isolation structure to be constructed on the ground, and cleaning the ground at the position;
c. excavating a foundation pit: excavating the foundation pit at the measured construction position;
d. embedding a foundation layer: hoisting a base layer and a first cushion block pre-embedded into the base layer into the excavated foundation pit;
e. mounting a support column: hoisting the guide sleeve to the top of the foundation layer and enabling the dividing sleeve to be arranged on the outer side of the first cushion block, then hoisting the support column, the support plate, the bearing block and the second cushion block, inserting the second cushion block and the support column into the dividing sleeve from the top of the dividing sleeve during hoisting, and then inserting the positioning block into the positioning groove;
f. embedding a guide sleeve: sleeving a spring on the outer side of the support column, sleeving a guide sleeve on the bottom of the support column, welding the guide sleeve and the spring together, backfilling soil, burying the guide sleeve into the soil after backfilling, compacting the backfilled soil, and enabling the ground surface after compacting to be flush with the top surface of the guide sleeve;
g. installing a transverse moving block: the shock absorption pad is bonded on the inner side of the abdicating groove of the bearing block, and then the transverse moving block and the supporting beam are hoisted into the bearing block, so that four side faces of the bottom of the transverse moving block are respectively attached to four side edges of the limiting groove.
By adopting the technical scheme, in the process that the building is subjected to vertical vibration, because the first cushion block and the second cushion block are arranged, the whole building has a displacement space in the vertical direction, so that the vertical vibration is not easy to cause rigid damage to the building; thus, the earthquake-resistant performance of the building can be improved without investing a large amount of materials for improving the rigidity of the building.
The invention is further configured to: in the step a, the support pillar, the support plate, the guide pillar and the bearing block are integrally cast, and the transverse moving block and the support beam are integrally cast.
Through adopting above-mentioned technical scheme, with the integrative casting moulding of support column, backup pad, guide post and bearing piece, with lateral shifting piece and the integrative casting moulding of a supporting beam, convenient and fast more in the time of can making later stage construction to can guarantee the precision of the location between support column, backup pad, guide post and the bearing piece and the precision of location between lateral shifting piece and the supporting beam.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first cushion block, the second cushion block, the bearing block and the transverse moving block are arranged, so that in the process of vertical vibration of a building, because the first cushion block and the second cushion block are arranged, the whole building has a displacement space in the vertical direction, the vertical vibration is not easy to cause rigid damage to the building, through the arrangement of the abdicating groove, the transverse moving block has a displacement space in the transverse direction, the building can be not easily subjected to rigid damage caused by the transverse vibration along with the vibration in the transverse vibration, and after the vibration is finished, the transverse moving block can be restored to the original position under the action of the inclined surface; thus, the earthquake resistance of the building can be improved without investing a large amount of materials for improving the rigidity of the building;
2. according to the invention, the guide post, the guide sleeve and the spring are arranged, so that the vertical displacement of the building is guided during vertical vibration, and the vibration can be absorbed through the spring.
Drawings
FIG. 1 is an isometric view of a first embodiment in use;
FIG. 2 is a cross-sectional view of the first embodiment in use;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a cross-sectional view of an embodiment of an integrated guide sleeve;
FIG. 5 is an isometric view of a bearing block of the first embodiment;
FIG. 6 is an isometric view of a lateral moving block and a support beam according to the first embodiment.
In the figure: 1. a base layer; 2. a first cushion block; 21. positioning a groove; 22. reinforcing steel bars; 3. a second cushion block; 31. positioning blocks; 32. connecting blocks; 4. a support pillar; 5. a support plate; 51. a guide post; 52. a guide sleeve; 53. a spring; 6. a bearing block; 61. a yielding groove; 62. a limiting groove; 7. a transverse moving block; 71. a shock pad; 8. a support beam; 9. and (6) cutting the sleeve.
Detailed Description
The first embodiment is as follows: a foundation engineering vibration isolation structure is disclosed, see attached figures 1 and 2, and comprises a foundation layer 1 buried in the ground, a first cushion block 2 with the bottom embedded to the middle position of the top of the foundation layer 1, a second cushion block 3 arranged on the first cushion block 2, a support column 4 arranged at the top of the second cushion block 3, a support plate 5 fixedly connected to the top of the support column 4 and positioned above the ground, a partition sleeve 9 arranged on the outer side of the first cushion block, a bearing block 6 fixedly connected to the top of the support plate 5, a transverse moving block 7 arranged in the middle of the bearing block 6, and a support beam 8 fixedly connected to the top of the transverse moving block 7; cut apart 9 covers and establish the outside at first blotter, second blotter and support column 4, cuts apart the top surface and the mutual parallel and level in ground of cover 9. The first cushion block 2 and the second cushion block 3 have elasticity; when the building receives vertical vibrations, because first cushion block 2 and second cushion block 3 have elasticity for the building has the space of moving in vertical direction, thereby can produce the displacement of small-amplitude in vertical direction when making the building receive vertical vibrations, thereby reduced the rigidity damage of vertical vibrations to the building.
Referring to the attached drawings 2 and 3, the bottom of the first cushion block 2 is embedded into the middle position of the top of the foundation layer 1, a plurality of steel bars 22 penetrating through the first cushion block 2 along the transverse direction are arranged on the part of the first cushion block 2 embedded into the foundation layer 1, and the steel bars 22 penetrating through the first cushion block 2 are embedded into the foundation layer 1. The middle position of the top of the second cushion block 3 is fixedly connected with a connecting block 32, the connecting block 32 is embedded into the middle position of the bottom of the support column 4 in a pre-embedding manner, a plurality of steel bars 22 penetrating through the connecting block 32 along the horizontal direction are also arranged on the connecting block 32, and the steel bars 22 penetrating through the connecting block 32 are embedded into the support column 4 in a pre-embedding manner; make first cushion block 2 and the connection of basic unit 1 more firm through setting up reinforcing bar 22, also second cushion block 3 and the connection of support column 4 more firm. The bottom of the second cushion block 3 is fixedly connected with a plurality of positioning blocks 31, the top of the first cushion block 2 is provided with a plurality of positioning grooves 21 which are in one-to-one correspondence with the positioning blocks 31, and the positioning blocks 31 are matched with the corresponding positioning grooves 21; through the positioning action of locating piece 31 and constant head tank 21 for when installing second cushion block 3 on first cushion block 2, can be more accurate fix a position.
Referring to fig. 1 and 4, the cross section of the supporting plate 5 is rectangular, four guide posts 51 vertically arranged in the length direction are fixedly connected to four corners of the bottom of the supporting plate 5, a guide sleeve 52 pre-embedded into the ground is arranged below the guide posts 51, the guide posts 51 are inserted into the guide sleeve 52, the periphery of the guide posts 51 is attached to the inner wall of the guide sleeve 52, and one end of the bottom of each guide post 51 is higher than one end of the bottom of the guide sleeve 52; the guide sleeve 52 is externally sleeved with a spring 53 positioned between the top surface of the guide sleeve 52 and the bottom surface of the support plate 5, and one end of the bottom of the spring 53 is fixedly connected to the guide sleeve 52. When the building is subjected to vertical vibration to generate vertical displacement, the guide sleeve 52 and the guide column 51 can guide, and the spring 53 can absorb the vertical vibration.
Referring to fig. 5 and 6, an abdicating groove 61 with a rectangular cross section is formed in the middle position of the top of the bearing block 6 along the vertical direction, a limiting groove 62 formed in the bearing block 6 along the vertical direction is formed in the middle position of the bottom of the abdicating groove 61, the cross section of the abdicating groove 61 is rectangular, the cross section of the limiting groove 62 is rectangular, and four side edges of the cross section of the abdicating groove 61 are parallel to four side edges of the cross section of the limiting groove 62; the four side edges of the limiting groove 62 are inclined surfaces, and one sides of the bottoms of the four inclined surfaces of the limiting groove 62 are inclined towards the direction close to the middle position of the bottom of the limiting groove 62; the cross section of the transverse moving block 7 is rectangular, four side edges of the bottom of the transverse moving block 7 are also provided with inclined surfaces, one side of the bottom of each inclined surface is inclined towards the direction close to the middle position of the bottom of the transverse moving block 7, the inclined angles of the inclined surfaces are the same, and the four inclined surfaces on the transverse moving block 7 are respectively attached to the four inclined surfaces on the abdicating groove 61; the inner wall of the receding groove 61 is provided with a shock absorption pad 71 fixedly connected to the bearing block 6, one side of the shock absorption pad 71 close to the transverse moving block 7 is attached to the transverse moving block 7, and the shock absorption pad 71 has elasticity. When the building is transversely vibrated, the yielding groove 61, the limiting groove 62 and the inclined plane form a displacement space in the transverse direction, and the building which is transversely vibrated can generate a small-amplitude position, so that the rigidity damage to the building caused by the transverse vibration is reduced.
The working principle of the basic engineering vibration isolation structure during use is as follows: when the building is subjected to transverse vibration, the yielding groove 61, the limiting groove 62 and the inclined plane form a displacement space in the transverse direction, and the building subjected to the transverse vibration can generate a position with a small amplitude, so that the rigidity damage to the building caused by the transverse vibration is reduced; when the building receives vertical vibrations, because first cushion block 2 and second cushion block 3 have elasticity for the building has the space of moving in vertical direction, thereby can produce the displacement of small-amplitude in vertical direction when making the building receive vertical vibrations, thereby reduced the rigidity damage of vertical vibrations to the building.
Example two: a construction method of a foundation engineering vibration isolation structure comprises the following steps:
a. prefabricating concrete: inserting a plurality of transversely distributed reinforcing steel bars 22 into the bottom of the first cushion block 2, embedding the bottom of the first cushion block 2 and the reinforcing steel bars 22 into the middle position of the top of the foundation layer 1 when the foundation layer 1 is poured, inserting a plurality of transversely distributed reinforcing steel bars 22 into the connecting block 32, integrally pouring and molding the supporting column 4, the supporting plate 5, the guide column 51 and the bearing block 6, and embedding the connecting block 32 and the reinforcing steel bars 22 into the middle position of the bottom of the supporting column 4 during pouring; integrally casting and molding the transverse moving block 7 and the supporting beam 8;
b. position measurement: measuring the position of the vibration isolation structure to be constructed on the ground, and cleaning the ground at the position;
c. excavating a foundation pit: excavating the foundation pit at the measured construction position;
d. embedding a foundation layer 1: hoisting a foundation layer 1 and a first cushion block 2 pre-embedded into the foundation layer 1 into the excavated foundation pit;
e. and (4) mounting a support column: hoisting the guide sleeve 52 to the top of the foundation layer 1, sleeving the dividing sleeve 9 on the outer side of the first cushion block 2, hoisting the support column 4, the support plate 5, the bearing block 6 and the second cushion block 3, inserting the second cushion block 3 and the support column 4 into the dividing sleeve 9 from the top of the dividing sleeve 9 during hoisting, and then inserting the positioning block 31 into the positioning groove 21;
f. embedding a guide sleeve 52: sleeving a spring 53 on the outer side of the support pillar 4, sleeving a guide sleeve 52 on the bottom of the support pillar 4, welding the guide sleeve 52 and the spring 53 together, backfilling soil, burying the guide sleeve 52 in the soil after backfilling, compacting the backfilled soil, and enabling the ground surface after compacting to be flush with the top surface of the guide sleeve 52;
g. the transverse moving block 7 is installed: the shock absorption pad 71 is bonded on the inner side of the abdicating groove 61 of the bearing block 6, and then the transverse moving block 7 and the supporting beam 8 are hoisted in the bearing block 6, so that four side surfaces of the bottom of the transverse moving block 7 are respectively attached to four side edges of the limiting groove 62.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. A foundation engineering vibration isolation structure which characterized in that: the device comprises a base layer (1) buried underground at the bottom of the ground, a first cushion block (2) with the bottom embedded to the middle position of the top of the base layer (1), a second cushion block (3) arranged on the first cushion block (2), a support column (4) arranged at the top of the second cushion block (3), a support plate (5) fixedly connected to the top of the support column (4) and positioned above the ground, a bearing block (6) fixedly connected to the top of the support plate (5), a transverse moving block (7) arranged in the bearing block (6) and a support beam (8) fixedly connected to the top of the transverse moving block (7);
the top of the first cushion block (2) is provided with a connecting block (32) which is pre-embedded into the support column (4), the middle position of the top of the bearing block (6) is provided with an abdicating groove (61) with a rectangular cross section along the vertical direction, the middle position of the bottom of the abdicating groove (61) is provided with a limit groove (62) which is arranged on the bearing block (6) along the vertical direction, the cross section of the limit groove (62) is arranged in a rectangular shape, four side edges of the limit groove (62) are inclined planes, one side of the bottom of the four inclined planes of the limit groove (62) is inclined towards the direction close to the middle position of the bottom of the limit groove (62), the cross section of the transverse moving block (7) is arranged in a rectangular shape, the four side edges of the bottom of the transverse moving block (7) are also provided with inclined planes, one side of the bottom of the inclined planes is, the four inclined planes on the transverse moving block (7) are respectively attached to the four inclined planes on the abdicating groove (61), and the first cushion block (2) and the second cushion block (3) have elasticity;
a plurality of reinforcing steel bars (22) are arranged on the part of the first cushion pad block (2) embedded into the foundation layer (1), and the reinforcing steel bars (22) penetrate through the first cushion pad block (2) along the horizontal direction;
a plurality of steel bars (22) penetrating through the connecting block (32) along the horizontal direction are also arranged on the connecting block (32), and the steel bars (22) penetrating through the connecting block (32) are embedded into the supporting column (4);
the cross section of the supporting plate (5) is rectangular, four guide columns (51) which are vertically arranged in the length direction are fixedly connected to four corners of the bottom of the supporting plate (5), guide sleeves (52) which are pre-embedded into the ground are arranged below the guide columns (51), the guide columns (51) are inserted into the guide sleeves (52), the peripheries of the guide columns (51) are attached to the inner walls of the guide sleeves (52), and one end of the bottom of each guide column (51) is higher than one end of the bottom of each guide sleeve (52);
the guide sleeve (52) is sleeved with a spring (53) positioned between the top surface of the guide sleeve (52) and the bottom surface of the support plate (5).
2. The foundation engineering vibration isolation structure of claim 1, wherein: the inner wall of the abdicating groove (61) is provided with a shock pad (71) fixedly connected to the bearing block (6), one side of the shock pad (71) close to the transverse moving block (7) is mutually attached to the transverse moving block (7), and the shock pad (71) has elasticity.
3. The foundation engineering vibration isolation structure of claim 1, wherein: the bottom of the second cushion block (3) is fixedly connected with a plurality of positioning blocks (31), the top of the first cushion block (2) is provided with a plurality of positioning grooves (21) which correspond to the positioning blocks (31) one by one, and the positioning blocks (31) are matched with the corresponding positioning grooves (21);
the positioning block (31) has elasticity.
4. The foundation engineering vibration isolation structure of claim 1, wherein: the supporting column (4) outside is provided with cuts apart cover (9), cuts apart cover (9) and overlaps and establish in the supporting column (4), first cushion block (2) and second cushion block (2) outside, cuts apart the top surface and the mutual parallel and level in ground of cover (9).
5. A construction method of a foundation engineering vibration isolation structure according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
a. prefabricating concrete: the method comprises the following steps that a foundation layer (1), supporting columns (4), supporting plates (5), guide columns (51), bearing blocks (6), transverse moving blocks (7) and supporting beams (8) are formed by means of concrete pouring, a plurality of transversely-distributed reinforcing steel bars (22) are inserted into the bottoms of first cushion blocks (2), the bottoms of the first cushion blocks (2) and the reinforcing steel bars (22) are embedded into the middle position of the top of the foundation layer (1) when the foundation layer (1) is poured, a plurality of transversely-distributed reinforcing steel bars (22) are inserted into connecting blocks (32), and the connecting blocks (32) and the reinforcing steel bars (22) are embedded into the middle position of the bottoms of the supporting columns (4) during pouring;
b. position measurement: measuring the position of the vibration isolation structure to be constructed on the ground, and cleaning the ground at the position;
c. excavating a foundation pit: excavating the foundation pit at the measured construction position;
d. embedding a foundation layer (1): hoisting a foundation layer (1) and a first cushion block (2) pre-embedded into the foundation layer (1) into the excavated foundation pit;
e. support column (4) installation: hoisting a guide sleeve (52) to the top of a foundation layer (1) and sleeving a dividing sleeve (9) on the outer side of a first cushion block (2), then hoisting a support column (4), a support plate (5), a bearing block (6) and a second cushion block (3), inserting the second cushion block (3) and the support column (4) into the dividing sleeve (9) from the top of the dividing sleeve (9) during hoisting, and then inserting a positioning block (31) into a positioning groove (21);
f. embedding a guide sleeve (52): sleeving a spring (53) on the outer side of the supporting column (4), sleeving a guide sleeve (52) on the bottom of the supporting column (4), welding the guide sleeve (52) and the spring (53) together, then backfilling soil, burying the guide sleeve (52) in the soil after backfilling is finished, and then compacting the backfilled soil, wherein the ground after compacting is flush with the top surface of the guide sleeve (52);
g. the transverse moving block (7) is installed: a shock absorption pad (71) is bonded on the inner side of the abdicating groove (61) of the bearing block (6), and then the transverse moving block (7) and the supporting beam (8) are hoisted into the bearing block (6), so that four side faces of the bottom of the transverse moving block (7) are respectively attached to four side edges of the limiting groove (62).
6. The construction method of a foundation engineering vibration isolation structure according to claim 5, characterized in that: in the step a, the support column (4), the support plate (5), the guide column (51) and the bearing block (6) are integrally cast, and the transverse moving block (7) and the support beam (8) are integrally cast.
CN201910657688.3A 2019-07-20 2019-07-20 Foundation engineering vibration isolation structure and construction method thereof Active CN110374221B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910657688.3A CN110374221B (en) 2019-07-20 2019-07-20 Foundation engineering vibration isolation structure and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910657688.3A CN110374221B (en) 2019-07-20 2019-07-20 Foundation engineering vibration isolation structure and construction method thereof

Publications (2)

Publication Number Publication Date
CN110374221A CN110374221A (en) 2019-10-25
CN110374221B true CN110374221B (en) 2021-04-06

Family

ID=68254342

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910657688.3A Active CN110374221B (en) 2019-07-20 2019-07-20 Foundation engineering vibration isolation structure and construction method thereof

Country Status (1)

Country Link
CN (1) CN110374221B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117569383B (en) * 2024-01-15 2024-03-19 成都中品建设工程有限公司 High-earthquake-resistance foundation and construction method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0874272A (en) * 1994-08-31 1996-03-19 Yukio Tosakai Foundation endowed with base isolation property
CN102535676A (en) * 2012-04-01 2012-07-04 林佳霓 Damping seismic isolation and reduction device for building
CN102864943A (en) * 2012-10-11 2013-01-09 北京筑福建设工程有限责任公司 Brick and concrete reinforcement structure for shock insulation support and mounting and underpinning method thereof
CN203961044U (en) * 2014-07-11 2014-11-26 陕西永安减震科技有限公司 A kind of elastic sliding bearing with wind resistance function
CN208668663U (en) * 2018-06-22 2019-03-29 大连理工大学 A kind of double exposed steel kind designs of surrender mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102995667B (en) * 2012-12-27 2015-04-15 长安大学 Slippage shock insulation pile foundation top bending moment releaser
CN106677366B (en) * 2015-11-06 2019-11-26 株洲时代新材料科技股份有限公司 A kind of tuning quality damping unit
CN106759441B (en) * 2017-01-03 2019-09-27 广州电力设计院 Prefabricated assembled foundation structure and its construction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0874272A (en) * 1994-08-31 1996-03-19 Yukio Tosakai Foundation endowed with base isolation property
CN102535676A (en) * 2012-04-01 2012-07-04 林佳霓 Damping seismic isolation and reduction device for building
CN102864943A (en) * 2012-10-11 2013-01-09 北京筑福建设工程有限责任公司 Brick and concrete reinforcement structure for shock insulation support and mounting and underpinning method thereof
CN203961044U (en) * 2014-07-11 2014-11-26 陕西永安减震科技有限公司 A kind of elastic sliding bearing with wind resistance function
CN208668663U (en) * 2018-06-22 2019-03-29 大连理工大学 A kind of double exposed steel kind designs of surrender mechanism

Also Published As

Publication number Publication date
CN110374221A (en) 2019-10-25

Similar Documents

Publication Publication Date Title
US8925282B2 (en) Foundation system for bridges and other structures
US9695558B2 (en) Foundation system for bridges and other structures
KR101888590B1 (en) Monolithic reinforced-earth abutment and method for constructing the same
CN110685277A (en) Guide positioning device and method for permanent steel casing of large onshore pile foundation
CN110374221B (en) Foundation engineering vibration isolation structure and construction method thereof
KR20190022132A (en) Top-down method using precast-concrete colum
KR101436119B1 (en) Holding apparatus for CFT column and the construction method of the CFT column using it
US20170247843A1 (en) Foundation system for bridges and other structures
CN211228586U (en) Foundation structure of machine tool
CN113266038B (en) Construction method for excavating underground building in foundation pit
JP6031626B1 (en) Replacing the seismic isolation device in the pile head seismic isolation structure
JP6941660B2 (en) Construction method of superstructure on water and structure of superstructure
CN210288464U (en) Shock-absorbing foundation structure for large-scale precision impact test
CN211143822U (en) Underpinning structure for building seismic isolation reinforcement
JP4451357B2 (en) Reservoir pond equipment
KR102509305B1 (en) Retaining wall using precast panel with foundation structure
JP2007092454A (en) Hybrid artificial ground constructed in ocean space, and construction method for the hybrid artificial ground
JP2005083123A (en) Earth retaining combined wall and method for constructing earth retaining combined wall
CN110258620B (en) Impact-resistant and shock-absorbing foundation structure for large-scale precise impact test
JP4036178B2 (en) Method and apparatus for installing concrete block
CN211312580U (en) Steel structure base for building
JP6971145B2 (en) Foundation structure and manufacturing method of foundation structure
CN211006679U (en) Anti uplift soil pressure balancing device for foundation pit
CN215291309U (en) Assembly type platform for pouring concrete into steel pipe structure column by foundation pit reverse construction method
CN213267985U (en) Underground coal mine belt conveyor foundation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant